/* ============================================================
   QR Maker — style.css
   Design language: Flat Zinc Utility (solid, edge-to-edge layout)
   ============================================================ */

/* ---- Design Tokens ---- */
:root {
    --bg-color: #121214;
    --panel-bg: #121214;
    --sidebar-bg: #121214;
    --preview-bg: #1a1a1e;
    --canvas-bg: #1a1a1e;
    --control-bg: #222226;
    --control-bg-hover: #2d2d33;
    --accent: #1B5256;
    --accent-hover: #278433;
    --accent-readable: #86efac;
    --text-main: #fafafa;
    --text-muted: #d4d4d8;
    --text-subtle: #dedede;
    --radius: 0px;
    --radius-sm: 6px;
    --border-color: #4d4d4d;
    --border-color-strong: #3f3f46;
    --input-bg: #1a1a1e;
    --input-border: rgb(100, 100, 100);
    --input-border-hover: rgb(135, 135, 135);
    --input-border-focus: #1B5256;
    --input-placeholder: #707070;
    /* Zinc 600 */
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3);
    --danger: #ef4444;
    --warning-text: #fbbf24;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --warning-border: rgba(245, 158, 11, 0.25);
    --app-scale: 1;
    --checker-color: rgba(255, 255, 255, 0.04);

    /* PWA Prompt / Dialog variables */
    --ios-prompt-bg: #222226;
    --ios-prompt-border: #3f3f46;
    --ios-prompt-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
    --ios-prompt-close-bg: #27272a;
    --ios-prompt-close-border: #3f3f46;
    --ios-prompt-close-color: #fafafa;
    --ios-prompt-close-hover-bg: #3f3f46;
    --ios-prompt-steps-border: #3f3f46;
    --ios-prompt-icon-span-bg: #27272a;
    --ios-prompt-icon-span-border: #3f3f46;
    --seo-bg-open: #222226;
    /* --logo-gradient: linear-gradient(113deg, #1b5256, #3d7c3a); */
    --logo-gradient: linear-gradient(147deg, #146e5f 44.96%, #1f9619)
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --panel-bg: #ffffff;
    --sidebar-bg: #ffffff;
    --preview-bg: #f4f4f5;
    /* Zinc 100 */
    --canvas-bg: #f4f4f5;
    --control-bg: #f4f4f5;
    --control-bg-hover: #e4e4e7;
    /* Zinc 200 */
    --accent: #1B5256;
    --accent-hover: #278433;
    --accent-readable: #1B5256;
    --text-main: #09090b;
    /* Zinc 950 */
    --text-muted: #27272a;
    /* Zinc 800 */
    --text-subtle: #71717a;
    /* Zinc 500 */
    --border-color: #c5c5c5;
    /* Zinc 200 */
    --border-color-strong: #d4d4d8;
    /* Zinc 300 */
    --input-bg: #ffffff;
    --input-border: #787878;
    --input-border-hover: #d4d4d8;
    --input-border-focus: #1B5256;
    --input-placeholder: #a1a1aa;
    /* Zinc 400 */
    --shadow-md: 0 4px 12px rgba(9, 9, 11, 0.05);
    --shadow-lg: 0 8px 24px rgba(9, 9, 11, 0.08);
    --checker-color: rgba(0, 0, 0, 0.04);
    --warning-text: #b45309;
    --warning-bg: #fef3c7;
    --warning-border: #fde68a;

    --ios-prompt-bg: #f9f9fb;
    --ios-prompt-border: #e4e4e7;
    --ios-prompt-shadow: 0 12px 30px rgba(9, 9, 11, 0.05);
    --ios-prompt-close-bg: #f4f4f5;
    --ios-prompt-close-border: #e4e4e7;
    --ios-prompt-close-color: #09090b;
    --ios-prompt-close-hover-bg: #e4e4e7;
    --ios-prompt-steps-border: #e4e4e7;
    --ios-prompt-icon-span-bg: #f4f4f5;
    --ios-prompt-icon-span-border: #e4e4e7;
    --seo-bg-open: #f4f4f5;
    --logo-gradient: linear-gradient(135deg, #278433 0%, #1B5256 100%);
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme]) {
        --bg-color: #ffffff;
        --panel-bg: #ffffff;
        --sidebar-bg: #ffffff;
        --preview-bg: #f4f4f5;
        /* Zinc 100 */
        --canvas-bg: #f4f4f5;
        --control-bg: #f4f4f5;
        --control-bg-hover: #e4e4e7;
        /* Zinc 200 */
        --accent: #1B5256;
        --accent-hover: #278433;
        --accent-readable: #1B5256;
        --text-main: #09090b;
        /* Zinc 950 */
        --text-muted: #27272a;
        /* Zinc 800 */
        --text-subtle: #71717a;
        /* Zinc 500 */
        --border-color: #c5c5c5;
        /* Zinc 200 */
        --border-color-strong: #d4d4d8;
        /* Zinc 300 */
        --input-bg: #ffffff;
        --input-border: #787878;
        --input-border-hover: #d4d4d8;
        --input-border-focus: #1B5256;
        --input-placeholder: #a1a1aa;
        /* Zinc 400 */
        --shadow-md: 0 4px 12px rgba(9, 9, 11, 0.05);
        --shadow-lg: 0 8px 24px rgba(9, 9, 11, 0.08);
        --checker-color: rgba(0, 0, 0, 0.04);

        --ios-prompt-bg: #f9f9fb;
        --ios-prompt-border: #e4e4e7;
        --ios-prompt-shadow: 0 12px 30px rgba(9, 9, 11, 0.05);
        --ios-prompt-close-bg: #f4f4f5;
        --ios-prompt-close-border: #e4e4e7;
        --ios-prompt-close-color: #09090b;
        --ios-prompt-close-hover-bg: #e4e4e7;
        --ios-prompt-steps-border: #e4e4e7;
        --ios-prompt-icon-span-bg: #f4f4f5;
        --ios-prompt-icon-span-border: #e4e4e7;
        --seo-bg-open: #f4f4f5;
        --logo-gradient: linear-gradient(135deg, #278433 0%, #1B5256 100%);
        color-scheme: light;
    }
}

/* ---- Reset ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ---- Base ---- */
html {
    color-scheme: dark;
    scroll-behavior: smooth;
}

[data-theme="light"] html,
[data-theme="light"] {
    color-scheme: light;
}

body#main-body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background-color: var(--bg-color);
    color: var(--text-main);
    height: 100dvh;
    width: 100vw;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Light Theme Active: Show light, hide dark */
:root[data-theme="light"] .light-only {
    display: block !important;
}

:root[data-theme="light"] .dark-only {
    display: none !important;
}

@media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) .light-only {
        display: block !important;
    }

    :root:not([data-theme="dark"]) .dark-only {
        display: none !important;
    }
}

:root[data-theme="dark"] .dark-only {
    display: block !important;
}

:root[data-theme="dark"] .light-only {
    display: none !important;
}

/* ---- Layout ---- */
.container {
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: clamp(420px, 28vw, 520px) 1fr;
    gap: 0;
    background: var(--panel-bg);
    position: relative;
    overflow: hidden;
}

/* ---- Preview Section ---- */
.preview-section {
    grid-column: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0;
    overflow: hidden;
    zoom: var(--app-scale);
    position: relative;
    z-index: 2;
    border-left: 1px solid var(--border-color);
    background-color: var(--theme-tint-bg, var(--preview-bg)) !important;
    background-image: radial-gradient(var(--border-color-strong) 1px, transparent 1px) !important;
    background-size: 16px 16px !important;
}

.preview-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    /* background: rgba(0, 0, 0, 0.05); */
}

.preview-header h1 {
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

@media (min-width: 961px) {
    .preview-header h1 {
        display: none;
    }

    .preview-header {
        justify-content: flex-end;
        background: transparent;
        border-bottom: none;
    }

    .main-app .page-footer {
        height: 74px !important;
    }
}

/* ---- Theme Toggle ---- */
.theme-toggle {
    position: relative;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--control-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--text-main);
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        background-color 0.3s ease,
        border-color 0.3s ease,
        opacity 0.3s ease,
        box-shadow 0.3s ease;
    box-shadow: var(--shadow-md);
    opacity: 0.9;
    flex-shrink: 0;
}

.theme-toggle:hover {
    transform: scale(1.1);
    background: var(--control-bg-hover);
    opacity: 1;
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-status {
    position: absolute;
    top: 50%;
    right: calc(100% + 12px);
    transform: translateY(-50%) translateX(10px) scale(0.9);
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 0.5rem 0.85rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-lg);
}

.theme-status.visible {
    opacity: 1;
    transform: translateY(-50%) translateX(0) scale(1);
}

/* Small speech bubble tail */
.theme-status::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 100%;
    width: 8px;
    height: 8px;
    background: inherit;
    border-right: 1px solid var(--border-color);
    border-top: 1px solid var(--border-color);
    transform: translateX(-50%) translateY(-50%) rotate(45deg);
}

.theme-toggle svg {
    position: absolute;
    width: 18px;
    height: 18px;
    transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Toggle Animation State */
[data-theme="dark"]:not([data-theme-mode="system"]) .sun-icon,
[data-theme="dark"]:not([data-theme-mode="system"]) .system-icon {
    opacity: 0;
    transform: rotate(45deg) scale(0.5);
    pointer-events: none;
}

[data-theme="dark"]:not([data-theme-mode="system"]) .moon-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

[data-theme="light"]:not([data-theme-mode="system"]) .moon-icon,
[data-theme="light"]:not([data-theme-mode="system"]) .system-icon {
    opacity: 0;
    transform: rotate(-45deg) scale(0.5);
    pointer-events: none;
}

[data-theme="light"]:not([data-theme-mode="system"]) .sun-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* System / Auto state (no data-theme attribute, or data-theme-mode="system") */
:root:not([data-theme]) .sun-icon,
:root:not([data-theme]) .moon-icon,
[data-theme-mode="system"] .sun-icon,
[data-theme-mode="system"] .moon-icon {
    opacity: 0;
    transform: rotate(-45deg) scale(0.5);
    pointer-events: none;
}

:root:not([data-theme]) .system-icon,
[data-theme-mode="system"] .system-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
}

/* Responsive adjustment for mobile */
@media (max-width: 768px) {
    .theme-toggle {
        width: 32px;
        height: 32px;
    }
}

/* ---- QR Canvas Wrapper ---- */
.qr-canvas-wrapper {
    position: relative;
    width: 100%;
    max-width: min(480px, 55vh);
    aspect-ratio: 1;
    margin: auto 0;
    background: transparent;
    border: none;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: drop-shadow(0px 0px 19px #00000037);
}

#qr-canvas {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: none;
    image-rendering: pixelated;
    transition: opacity 0.2s ease;
}

#qr-canvas.visible {
    display: block;
}

.qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    color: var(--text-subtle);
    padding: 2rem;
    text-align: center;
    transition: opacity 0.2s;
}

.qr-placeholder svg {
    width: 72px;
    height: 72px;
    opacity: 0.3;
}

.qr-placeholder span {
    font-size: 0.8125rem;
    color: var(--text-subtle);
}

.qr-placeholder.hidden {
    display: none;
}

.qr-error-msg {
    position: absolute;
    bottom: 0.75rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    font-size: 0.75rem;
    padding: 0.375rem 0.75rem;
    border-radius: 100px;
    white-space: nowrap;
    max-width: 90%;
    overflow: hidden;
    text-overflow: ellipsis;
    display: none;
}

.qr-error-msg.visible {
    display: block;
}

/* ---- Preview Actions ---- */
.preview-actions-container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 1.25rem 1.5rem;
    border-top: 1px solid var(--border-color);
    /* background: rgba(0, 0, 0, 0.04); */
    z-index: 5;
}

.preview-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.preview-actions .share-wrapper {
    flex: 1;
}

.preview-actions .share-wrapper button {
    width: 100%;
    justify-content: center;
}

.preview-actions .btn-export {
    flex: 1;
    justify-content: center;
}

/* ---- Split Export Button ---- */
.export-split-btn {
    display: flex;
    align-items: stretch;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--accent);
    width: 100%;
}

.export-split-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: none;
    color: #ffffff;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
    flex: 1;
}

.export-split-main:hover {
    background: rgba(0, 0, 0, 0.12);
}

.export-split-main:active {
    background: rgba(0, 0, 0, 0.2);
}

.export-split-size {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.5rem 0.625rem 0.5rem 0.5rem;
    background: rgba(0, 0, 0, 0.15);
    border: none;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.85);
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
    line-height: 1;
}

.export-split-size:hover {
    background: rgba(0, 0, 0, 0.25);
    color: #ffffff;
}

.export-split-size:active {
    background: rgba(0, 0, 0, 0.35);
}

.export-split-size #export-size-label {
    font-variant-numeric: tabular-nums;
}

/* ---- Size Popover ---- */
.size-popover {
    position: fixed;
    display: none;
    flex-direction: column;
    gap: 0.125rem;
    background: var(--panel-bg);
    border: 1px solid var(--border-color-strong);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 0.3rem;
    z-index: 200;
    min-width: 100px;
    opacity: 0;
    transform: translateY(6px) scale(0.96);
    transition:
        opacity 0.18s ease-out,
        transform 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.size-popover.open {
    display: flex;
    opacity: 1;
    transform: translateY(0) scale(1);
}

@starting-style {
    .size-popover.open {
        opacity: 0;
        transform: translateY(6px) scale(0.96);
    }
}

.size-option {
    display: block;
    width: 100%;
    padding: 0.45rem 0.75rem;
    border: none;
    border-radius: 5px;
    background: transparent;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background 0.12s, color 0.12s;
    white-space: nowrap;
}

.size-option:hover {
    background: var(--control-bg-hover);
    color: var(--text-main);
}

.size-option.active {
    background: var(--accent);
    color: #ffffff;
}

@media (prefers-reduced-motion: reduce) {
    .size-popover {
        transition: none;
    }
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s, box-shadow 0.15s;
    white-space: nowrap;
    text-decoration: none;
    user-select: none;
}

.btn:active {
    transform: scale(0.97);
}

.btn.primary {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.btn.primary:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn.secondary {
    background: var(--control-bg);
    border-color: var(--border-color);
    color: var(--text-muted);
}

.btn.secondary:hover {
    background: var(--control-bg-hover);
    border-color: var(--border-color-strong);
    color: var(--text-main);
}

.btn-export {
    background: var(--control-bg);
    border-color: var(--border-color);
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s, color 0.15s, transform 0.1s;
    white-space: nowrap;
    user-select: none;
}

.btn-export:hover {
    background: var(--control-bg-hover);
    border-color: var(--border-color-strong);
    color: var(--text-main);
}

.btn-export:active {
    transform: scale(0.97);
}

.btn-export.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
    margin-left: auto;
}

.btn-export.primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* ---- Share Wrapper ---- */
.share-wrapper {
    position: relative;
}

.share-menu {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 0;
    background: var(--panel-bg);
    border: 1px solid var(--border-color-strong);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 160px;
    padding: 0.375rem;
    display: none;
    flex-direction: column;
    gap: 0.125rem;
    z-index: 100;
}

.share-menu.open {
    display: flex;
}

.share-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.625rem;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.8125rem;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    text-align: left;
    width: 100%;
}

.share-item:hover {
    background: var(--accent);
    color: #ffffff;
}

/* ---- Mobile Divider ---- */
.mobile-divider {
    display: none;
    border: none;
    border-top: 1px solid var(--border-color);
}

/* ---- Sidebar Header ---- */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

/* Sidebar Site Navigation (Mobile Sidebar links) */
.sidebar-site-nav {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.sidebar-divider {
    display: none;
    border: 0;
    border-top: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.sidebar-site-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s, color 0.2s;
}

.sidebar-site-link:hover {
    background-color: var(--control-bg);
    color: var(--accent-readable);
}

.sidebar-site-link.active {
    background-color: var(--control-bg-hover);
    color: var(--text-main);
}

@media (max-width: 960px) {
    .sidebar-header {
        display: none;
    }
}

/* ---- Controls Section ---- */
.controls-section {
    grid-column: 1;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
    border-left: none;
    padding: 0;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color-strong) transparent;
    zoom: var(--app-scale);
    background: var(--sidebar-bg);
}

.controls-section::-webkit-scrollbar {
    width: 6px;
}

.controls-section::-webkit-scrollbar-track {
    background: transparent;
}

.controls-section::-webkit-scrollbar-thumb {
    background: var(--border-color-strong);
    border-radius: 10px;
}

.controls-section::-webkit-scrollbar-thumb:hover {
    background: var(--text-subtle);
}

/* ---- Sidebar Header ---- */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0;
    padding: 1.25rem 1.5rem 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}


/* ---- Inspector Panel & Key-Value Grid ---- */
.inspector-section {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.footer-section {
    margin-bottom: 0 !important;
    padding: 1rem 1.5rem !important;
}

.inspector-section-title {
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-size: 0.725rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.inspector-row {
    display: grid;
    grid-template-columns: 100px 1fr;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.property-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-subtle);
    user-select: none;
}

.property-control {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 0.5rem;
}

.color-property-control {
    flex-direction: column;
    align-items: stretch;
}

@media (max-width: 1860px) {
    .inspector-row {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.375rem;
    }

    .property-label {
        width: 100%;
    }

    .property-control {
        width: 100%;
    }
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.slider-row input[type="range"] {
    flex: 1;
}

.slider-badge {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-main);
    min-width: 32px;
    text-align: right;
}

/* ---- Property Input Triggers ---- */
.color-trigger-btn {
    display: flex;
    align-items: center;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    padding: 0.25rem 0.5rem;
    width: 100%;
    height: 36px;
    gap: 0.5rem;
}

.color-trigger-preview {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    flex-shrink: 0;
}

.color-trigger-hex {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    width: 100%;
    padding: 0;
}

/* ---- Tab Group ---- */
.tab-group {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2px;
    background: #242427;
    border: 1px solid #3f3f46;
    border-radius: 8px;
    padding: 2px;
    width: 100%;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .tab-group {
    background: #f4f4f5;
    border: 1px solid #e4e4e7;
    box-shadow: inset 0 1.5px 3px rgba(0, 0, 0, 0.12);
}

.tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    padding: 0.45rem 0.25rem;
    border-radius: 6px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-subtle);
    font-family: inherit;
    font-size: 0.725rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}

.tab svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    stroke-width: 2px;
    fill: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.tab:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .tab:hover {
    background: rgba(0, 0, 0, 0.02);
}

.tab.active {
    background: var(--accent) !important;
    color: #ffffff !important;
    border-color: var(--accent) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.15) !important;
    font-weight: 800;
}

.tab.active svg {
    stroke-width: 2.5px;
    transform: scale(1.35);
}

[data-theme="light"] .tab.active {
    background: var(--accent) !important;
    color: #ffffff !important;
    border-color: var(--accent) !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15) !important;
}

/* ---- Dropdown for More Options ---- */
.tab-more-container {
    position: relative;
    flex: 1;
    display: flex;
}

.tab-more-container .tab {
    width: 100%;
}

.tab-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--panel-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    padding: 0.375rem;
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    z-index: 100;
    min-width: 140px;
}

.tab-dropdown.open {
    display: flex;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    width: 100%;
}

.dropdown-item svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    fill: none;
}

.dropdown-item:hover {
    background: var(--control-bg-hover);
    color: var(--text-main);
}

.dropdown-item.active {
    background: var(--accent);
    color: #ffffff;
}

/* ---- Input Panels ---- */
.input-panel {
    display: none;
    flex-direction: column;
    gap: 0.75rem;
}

.input-panel.active {
    display: flex;
}

/* ---- Control Groups ---- */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.control-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.01em;
}

.label-optional {
    font-weight: 400;
    color: var(--text-subtle);
    font-size: 0.75rem;
}

.label-value {
    font-weight: 600;
    color: var(--accent);
    margin-left: 0.25rem;
}

.control-label-with-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
}


/* ---- Text Inputs ---- */
.text-input {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 16px;
    padding: 0.5rem 0.75rem;
    width: 100%;
    min-width: 0;
    transition: border-color 0.15s, box-shadow 0.15s, background-color 0.15s;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.text-input::placeholder {
    color: var(--input-placeholder);
}

.text-input:hover {
    border-color: var(--input-border-hover);
}

.text-input:focus {
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 1px var(--input-border-focus);
}

.text-input.textarea {
    resize: vertical;
    min-height: 96px;
    line-height: 1.5;
}

/* Hide number spinner/steppers on latitude and longitude inputs */
#input-geo-lat::-webkit-outer-spin-button,
#input-geo-lat::-webkit-inner-spin-button,
#input-geo-lng::-webkit-outer-spin-button,
#input-geo-lng::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#input-geo-lat[type="number"],
#input-geo-lng[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}


/* ---- Masked input ---- */
.masked-wrapper {
    position: relative;
}

.masked-input {
    -webkit-text-security: disc !important;
    text-security: disc !important;
}

.masked-wrapper .text-input {
    padding-right: 2.5rem;
}

.mask-toggle {
    position: absolute;
    right: 0.625rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-subtle);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s;
}

.mask-toggle:hover {
    color: var(--text-muted);
}

/* ---- Select ---- */
.select-input {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 16px;
    padding: 0.5rem 0.75rem;
    width: 100%;
    outline: none;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s, background-color 0.15s;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.25rem;
}

.select-input:hover {
    border-color: var(--input-border-hover);
}

.select-input:focus {
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 1px var(--input-border-focus);
}

/* ---- Checkbox ---- */
.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
    flex-shrink: 0;
}

.checkbox-group label {
    font-size: 0.8125rem;
    color: var(--text-muted);
    cursor: pointer;
}

/* ---- Color Input ---- */
.color-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-sm);
    padding: 0.375rem 0.625rem;
    cursor: pointer;
    transition: border-color 0.15s;
}

.color-input-wrapper:hover {
    border-color: var(--input-border-hover);
}

input[type="color"] {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 6px;
    padding: 0;
    cursor: pointer;
    background: none;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    flex-shrink: 0;
}

input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
    border-radius: 6px;
    overflow: hidden;
}

input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--border-color-strong);
    border-radius: 6px;
}

input[type="color"]::-moz-color-swatch {
    border: 1px solid var(--border-color-strong);
    border-radius: 6px;
}

.color-hex {
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* ---- Segmented Control ---- */
.segmented-control {
    display: flex;
    flex-wrap: nowrap;
    gap: 2px;
    background: #242427;
    border: 1px solid #3f3f46;
    border-radius: 8px;
    padding: 2px;
    width: 100%;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.5);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.segmented-control::-webkit-scrollbar {
    display: none;
}

[data-theme="light"] .segmented-control {
    background: #f4f4f5;
    border: 1px solid #e4e4e7;
    box-shadow: inset 0 1.5px 3px rgba(0, 0, 0, 0.12);
}

.seg-btn {
    flex: 1 0 auto;
    padding: 0.45rem 0.75rem;
    border-radius: 6px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-subtle);
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
}

.seg-btn svg {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    stroke-width: 2px;
    fill: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.seg-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .seg-btn:hover {
    background: rgba(0, 0, 0, 0.02);
}

.seg-btn.active {
    background: var(--accent) !important;
    color: #ffffff !important;
    border-color: var(--accent) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.15) !important;
    font-weight: 800 !important;
}

.seg-btn.active svg {
    stroke-width: 2.5px;
    transform: scale(1.35);
}

[data-theme="light"] .seg-btn.active {
    background: var(--accent) !important;
    color: #ffffff !important;
    border-color: var(--accent) !important;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15) !important;
}

/* ---- Range Slider ---- */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--border-color-strong);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ffffff;
    cursor: pointer;
    transition: background-color 0.15s, transform 0.1s, border-color 0.15s;
    border: 3.5px solid var(--accent);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    border-color: var(--accent-hover);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #ffffff;
    cursor: pointer;
    transition: background-color 0.15s, transform 0.1s, border-color 0.15s;
    border: 3.5px solid var(--accent);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.1);
    border-color: var(--accent-hover);
}

/* ---- Section Dividers / Labels ---- */
.section-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0;
}

.section-label {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-subtle);
}

/* ---- Help Text ---- */
.help-text {
    font-size: 0.8rem;
    color: var(--text-subtle);
    line-height: 1.4;
}

/* ---- Toast ---- */
.toast {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%) translateY(-80px);
    background: var(--panel-bg);
    border: 1px solid var(--border-color-strong);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.25s ease;
    white-space: nowrap;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ---- Logo Upload Section ---- */
.logo-upload-container {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    padding-top: 0.25rem;
}

.logo-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    text-align: center;
    background: var(--input-bg);
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s, transform 0.15s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.logo-dropzone:hover,
.logo-dropzone.dragover {
    border-color: var(--accent);
    background: var(--control-bg-hover);
}

.logo-dropzone:active {
    transform: scale(0.99);
}

.logo-dropzone svg {
    color: var(--text-subtle);
    transition: color 0.2s;
}

.logo-dropzone:hover svg {
    color: var(--accent);
}

.logo-dropzone span {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.logo-preview-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
}

.logo-thumbnail {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    object-fit: contain;
    border: 1px solid var(--border-color-strong);
    background: #ffffff;
    /* provide light backing for dark/transparent logos */
    flex-shrink: 0;
}

.logo-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    overflow: hidden;
    flex-grow: 1;
}

.logo-filename {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logo-status {
    font-size: 0.7rem;
    color: var(--text-subtle);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.logo-status::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--text-subtle);
}

.logo-status.uploading {
    color: var(--accent);
}

.logo-status.uploading::before {
    background-color: var(--accent);
    animation: pulse-status 1.2s infinite ease-in-out;
}

.logo-status.success {
    color: #10b981;
}

.logo-status.success::before {
    background-color: #10b981;
}

.logo-status.error {
    color: var(--danger);
}

.logo-status.error::before {
    background-color: var(--danger);
}

@keyframes pulse-status {

    0%,
    100% {
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }
}

.logo-remove-btn {
    background: none;
    border: none;
    color: var(--text-subtle);
    cursor: pointer;
    padding: 0.375rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s, background-color 0.15s;
    flex-shrink: 0;
}

.logo-remove-btn:hover {
    color: var(--danger);
    background-color: rgba(239, 68, 68, 0.1);
}

.logo-controls {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    animation: fadeIn 0.25s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---- Color Trigger Button & Popover ---- */
.color-trigger-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--control-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.15s, border-color 0.15s;
    text-align: left;
}

.color-trigger-btn:hover {
    background: var(--control-bg-hover);
    border-color: var(--border-color-strong);
}

.color-trigger-preview {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 1.5px solid var(--text-muted);
    background-color: #ffffff;
    flex-shrink: 0;
    transition: background-color 0.2s;
    cursor: pointer;
}

.color-trigger-hex {
    font-family: monospace;
    font-size: 16px;
    color: var(--text-muted);
    background: transparent;
    border: none;
    outline: none;
    padding: 0;
    width: 100%;
    cursor: text;
}

.color-trigger-hex:focus {
    color: var(--text-main);
}

.color-swatch[style*="#ffffff"],
.color-swatch[style*="#FFFFFF"] {
    border: 1.5px solid var(--border-color-strong) !important;
}

/* Inline Color Picker Panel */
.inline-color-picker {
    display: none;
    width: 100%;
    background: var(--control-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    margin-top: 0.5rem;
    overflow: hidden;
    animation: slideDown 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.inline-color-picker.open {
    display: block;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sheet-body {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

/* Spectrum Canvas Container */
.spectrum-container {
    position: relative;
    width: 100%;
    height: 140px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: crosshair;
    touch-action: none;
}

#color-spectrum-canvas,
#pixel-color-spectrum-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.spectrum-cursor {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid #ffffff;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    left: 50%;
    top: 50%;
}

/* Swatches Row - Single Row Flex Layout */
.swatches-row {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: space-between;
    flex-wrap: nowrap;
    /* Do not wrap! Single row. */
    width: 100%;
}

.swatch-btn {
    width: 28px;
    /* Compact size to fit single row */
    height: 28px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.15s;
    outline: none;
    flex-shrink: 0;
}

.swatch-btn:hover {
    transform: scale(1.15);
}

.swatch-btn:active {
    transform: scale(0.95);
}

.color-swatch {
    border: 1px solid var(--border-color);
}

.shuffle-btn {
    background: var(--control-bg);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
}

.shuffle-btn:hover {
    background: var(--control-bg-hover);
    color: var(--accent);
}

/* Override preview background with dynamic HSL variable */
.preview-section {
    background-color: var(--theme-tint-bg, var(--preview-bg)) !important;
    background-image: none !important;
    transition: background-color 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}


/* Transparent card bg preview correction */
.qr-canvas-wrapper {
    background: transparent;
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
}

/* ---- Responsive ---- */
@media (max-width: 960px) {

    body,
    body#main-body {
        height: auto !important;
        min-height: 100vh;
        min-height: 100dvh;
        overflow: visible !important;
        padding: 0;
        background-attachment: scroll;
    }

    .container {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 0;
        max-width: 100%;
        width: 100%;
        height: auto !important;
        overflow: visible;
        border-radius: 0;
        margin: 0;
        border: none;
        box-shadow: none;
        background: var(--panel-bg);
        backdrop-filter: none;
    }

    body.has-global-header .container {
        height: auto !important;
    }

    @supports ((animation-timeline: scroll()) and (animation-range: 0% 100%)) {
        @keyframes update-scroll-progress {
            to {
                --scroll-progress: 1;
            }
        }

        :root {
            animation: update-scroll-progress auto linear both;
            animation-timeline: scroll(block root);
            animation-range: 0px 80px;
        }
    }

    .preview-section {
        grid-column: auto;
        border-left: none;
        zoom: 1 !important;
        height: auto;
        /* Allow touch scroll events to pass through to the document.
           The base style has overflow:hidden which traps scroll on iOS. */
        overflow: visible;
        padding: calc(0.75rem - 0.25rem * var(--scroll-progress, 0)) 1.25rem;
        position: sticky;
        top: calc(60px + env(safe-area-inset-top, 0px));
        gap: unset;
        z-index: 10;
        border-radius: 0;
        border-bottom: 1px solid var(--border-color);
        /* Keep the tinted background opaque so content doesn't bleed through */
        background-color: var(--theme-tint-bg, var(--preview-bg)) !important;
        transition: background-color 0.2s ease-in-out;
    }

    .preview-header {
        border-bottom: none;
        max-height: calc(80px * (1 - var(--scroll-progress, 0)));
        opacity: calc(1 - var(--scroll-progress, 0));
        padding-top: calc(1rem * (1 - var(--scroll-progress, 0)));
        padding-bottom: calc(1rem * (1 - var(--scroll-progress, 0)));
        margin-top: 0;
        margin-bottom: 0;
        overflow: hidden;
        transition: none;
    }

    .preview-header h1 {
        font-size: calc(2rem - 0.5rem * var(--scroll-progress, 0));
        transition: none;
    }

    .export-split-size {
        max-width: calc(120px * (1 - var(--scroll-progress, 0))) !important;
        opacity: calc(1 - var(--scroll-progress, 0)) !important;
        padding-top: calc(0.5rem * (1 - var(--scroll-progress, 0))) !important;
        padding-bottom: calc(0.5rem * (1 - var(--scroll-progress, 0))) !important;
        padding-left: calc(0.5rem * (1 - var(--scroll-progress, 0))) !important;
        padding-right: calc(0.625rem * (1 - var(--scroll-progress, 0))) !important;
        border-left-width: calc(1px * (1 - var(--scroll-progress, 0))) !important;
        overflow: hidden;
        transition: none;
    }

    .preview-actions-container {
        border-top: none;
        padding-top: calc(0.75rem - 0.25rem * var(--scroll-progress, 0));
        padding-bottom: calc(0.75rem - 0.25rem * var(--scroll-progress, 0));
        transition: none;
    }

    .qr-canvas-wrapper {
        max-width: calc(220px - 90px * var(--scroll-progress, 0)) !important;
        margin: calc(0.375rem - 0.225rem * var(--scroll-progress, 0)) auto;
        transition: none;
    }

    #export-svg-btn {
        display: none;
    }

    .controls-section {
        grid-column: auto;
        grid-row: auto;
        border-left: none;
        border-radius: 0;
        padding: 0;
        height: auto;
        overflow-y: visible;
        zoom: 1 !important;
        background: transparent;
        box-shadow: none;
    }

    .mobile-divider {
        display: none;
    }

    .preview-actions {
        display: flex;
        flex-wrap: nowrap;
        gap: calc(0.75rem - 0.25rem * var(--scroll-progress, 0));
        transition: none;
    }

    .preview-actions .share-wrapper {
        flex-grow: var(--scroll-progress, 0);
        flex-shrink: 1;
        flex-basis: calc(100px * (1 - var(--scroll-progress, 0)));
        min-width: 0;
    }

    .preview-actions .export-split-btn {
        flex-grow: 1;
        flex-shrink: 1;
        flex-basis: calc(100px * (1 - var(--scroll-progress, 0)));
        min-width: 0;
    }

    .sidebar-header {
        display: none !important;
    }

    /* Scrolled state on mobile */
    body.scrolled .preview-header {
        pointer-events: none;
    }

    body.scrolled .export-split-size {
        pointer-events: none;
    }
}

/* ---- Animations ---- */
.spin {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* ---- Footer Actions ---- */
.footer-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 0.5rem;
    padding-bottom: 0.5rem;
    width: 100%;
}

/* ---- App Sidebar Footer (Only affects the main app workspace) ---- */
.controls-section .page-footer {
    margin-top: auto;
    border-top: 0 !important;
    padding: 1rem 0 2.8rem 1rem;
    background-color: var(--sidebar-bg);
    box-sizing: border-box;
    width: 100%;
    z-index: 1;
}

.controls-section .page-footer p {
    margin: 0;
    font-size: 0.775rem;
    color: var(--text-subtle);
    text-align: center;
    line-height: 1.5;
}

.controls-section .page-footer .footer-links {
    margin-right: 0.6rem;
    display: flex;
    gap: 0.85rem;
    justify-content: flex-start;
}

.controls-section .page-footer .footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.775rem;
    transition: color 0.2s ease;
}

.controls-section .page-footer .footer-link:hover {
    color: var(--accent-readable);
}

/* ---- Standalone Page Footer (For About, Terms, and future text pages) ---- */
body:not(#main-body) .page-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding: 0.5rem 0;
    text-align: center;
    background-color: var(--panel-bg);
    width: 100%;
    box-sizing: border-box;
}

body:not(#main-body) .page-footer p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-subtle);
    line-height: 1.6;
}

body:not(#main-body) .page-footer .footer-links {
    margin-right: 0.5rem;
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ---- Global Template Footer ---- */
.page-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    background-color: var(--panel-bg);
    width: 100%;
    box-sizing: border-box;
    z-index: 10;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.page-footer p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-subtle);
    line-height: 1.6;
}

.page-footer .footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 1rem;
    justify-content: center;
}

.page-footer .footer-link,
.page-footer .footer-signature {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s ease;
}

.page-footer .footer-link:hover,
.page-footer .footer-signature:hover {
    color: var(--accent-readable);
}

@media (max-width: 768px) {
    .page-footer {
        padding: 1.75rem 1.25rem;
    }

    .footer-container {
        flex-direction: column-reverse;
        gap: 1.25rem;
        text-align: center;
    }

    .page-footer .footer-links {
        justify-content: center;
        gap: 1.25rem 1rem;
    }
}

.btn-random {
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--logo-gradient) !important;
    border: none !important;
    color: #ffffff !important;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(39, 132, 51, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
    position: relative;
    overflow: hidden;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

[data-theme="light"] .btn-random {
    background: var(--logo-gradient) !important;
    box-shadow: 0 4px 12px rgba(27, 82, 86, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
}

.btn-random:hover {
    transform: translateY(-1px) scale(1.02) !important;
    box-shadow: 0 6px 16px rgba(39, 132, 51, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
    filter: brightness(1.05);
}

.btn-random:active {
    transform: scale(0.97) !important;
    box-shadow: 0 2px 6px rgba(39, 132, 51, 0.3) !important;
}

.btn-random svg {
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-random:hover svg {
    transform: rotate(360deg);
}

.btn-reset-subtle {
    background: none;
    border: none;
    color: var(--text-subtle);
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: color 0.15s ease, background-color 0.15s ease;
    user-select: none;
}

.btn-reset-subtle:hover {
    color: var(--danger);
    background-color: rgba(239, 68, 68, 0.1);
}

/* Color picker modes inside sheet */
.color-picker-mode-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    width: 100%;
}

.color-picker-mode-row .mode-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
}

.color-picker-mode-row .segmented-control {
    flex-grow: 1;
    max-width: 210px;
    margin: 0;
}

/* Canvas checkerboard pattern for transparent background */
.qr-canvas-wrapper.transparent-bg-active {
    background-image:
        linear-gradient(45deg, var(--checker-color) 25%, transparent 25%),
        linear-gradient(-45deg, var(--checker-color) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--checker-color) 75%),
        linear-gradient(-45deg, transparent 75%, var(--checker-color) 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

/* Predefined Vector Icons Styling */
.icon-selector-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
    margin-top: 0.375rem;
}

.icon-select-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--control-bg);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 0.5rem;
}

.icon-select-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    transition: transform 0.2s, stroke 0.2s;
}

.icon-select-btn:hover {
    background: var(--control-bg-hover);
    color: var(--text-main);
    border-color: var(--border-color-strong);
}

.icon-select-btn:hover svg {
    transform: scale(1.1);
}

.icon-select-btn.active {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

.icon-select-btn.active svg {
    transform: scale(1.05);
}

.icon-select-btn span {
    font-size: 1.25rem;
    transition: transform 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.icon-select-btn:hover span {
    transform: scale(1.1);
}

.icon-select-btn.active span {
    transform: scale(1.05);
}

.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.color-preview-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.15s, border-color 0.15s;
    background-clip: padding-box;
}

.color-preview-btn:hover {
    transform: scale(1.05);
    border-color: var(--border-color-strong);
}

.hex-input {
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0 0.75rem;
    height: 36px;
    color: var(--text-main);
    font-family: var(--font-mono);
    font-size: 16px;
    width: 100%;
    outline: none;
    transition: border-color 0.2s, background-color 0.2s;
}

.hex-input:focus {
    border-color: var(--accent);
    background: var(--control-bg-hover);
}

.color-match-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--control-bg);
    color: var(--text-muted);
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.color-match-btn:hover {
    background: var(--control-bg-hover);
    color: var(--text-main);
    border-color: var(--border-color-strong);
}

.color-match-btn.active {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

.color-match-btn.active:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #ffffff;
}

.contrast-warning-msg {
    display: inline-flex;
    align-items: center;
    font-size: 0.725rem;
    font-weight: 500;
    color: var(--warning-text);
    background: var(--warning-bg);
    border: 1px solid var(--warning-border);
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-sm);
    gap: 0.375rem;
    margin-top: 0.375rem;
    align-self: flex-start;
    animation: fadeIn 0.2s ease-out;
    width: fit-content;
}


/* ============================================================
   Custom PWA Install Prompts (iOS & Desktop)
   ============================================================ */
.ios-prompt-container,
.desktop-prompt-container {
    display: none !important;
    width: 100%;
    box-sizing: border-box;
}

/* Activated State (shows inline below the main container card on mobile/tablet) */
/* ---- Mobile PWA Floating Overlay Fix ---- */
@media (max-width: 960px) {

    /* Push the core document body layout up slightly when a prompt is active */
    body:has(.desktop-prompt-container.visible),
    body:has(.ios-prompt-container.visible) {
        /* padding-bottom: 120px !important; */
    }

    /* Keep the floating injection container explicitly separated from your footer text */
    #desktop-pwa-prompt.desktop-prompt-container.visible,
    #ios-pwa-prompt.ios-prompt-container.visible {
        position: fixed !important;
        bottom: env(safe-area-inset-bottom, 0px) !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: calc(100% - 2rem) !important;
        max-width: 500px !important;
        z-index: 9999 !important;
        margin: 0 auto !important;
    }

    /* Ensure the mobile view footer flows naturally inside the content container */
    .controls-section .page-footer {
        padding: 1rem !important;
    }
}

/* Styling when placed inside the controls sidebar on iPad & Desktop */
.controls-section .ios-prompt-container.visible,
.controls-section .desktop-prompt-container.visible {
    display: block !important;
    width: calc(100% - 1rem) !important;
    max-width: 100%;
    margin: 1.5rem auto 5rem auto;
    padding: 0;
    box-sizing: border-box;
}

.controls-section .ios-prompt-card,
.controls-section .desktop-prompt-card {
    width: 95%;
    max-width: 95%;
    border-radius: 16px;
    padding: 0.75rem 0.9rem;
    margin: auto;
}

/* Sidebar compact collapsed layout overrides to fit narrow columns */
.controls-section .ios-prompt-header-compact,
.controls-section .desktop-prompt-header-compact {
    gap: 0.5rem;
}

.controls-section .ios-prompt-header-compact .ios-prompt-app-icon,
.controls-section .desktop-prompt-header-compact .desktop-prompt-app-icon {
    width: 32px;
    height: 32px;
    border-radius: 7px;
}

.controls-section .ios-prompt-header-compact .ios-prompt-app-info h3,
.controls-section .desktop-prompt-header-compact .desktop-prompt-app-info h3 {
    font-size: 0.82rem;
}

.controls-section .ios-prompt-header-compact .ios-prompt-app-info p,
.controls-section .desktop-prompt-header-compact .desktop-prompt-app-info p {
    display: none !important;
}

.controls-section .ios-prompt-container.collapsed .ios-prompt-collapsed-content {
    gap: 0.5rem;
    padding-right: 0 !important;
}

.controls-section .desktop-prompt-container.collapsed .desktop-prompt-collapsed-content {
    gap: 0.5rem;
    padding-right: 1.85rem !important;
}

.controls-section .ios-prompt-install-btn,
.controls-section .desktop-prompt-install-btn {
    padding: 0.45rem 0.75rem !important;
    font-size: 0.75rem !important;
    border-radius: 16px !important;
}

.controls-section .ios-prompt-install-btn svg.btn-icon-svg,
.controls-section .desktop-prompt-install-btn svg.btn-icon-svg {
    width: 11px !important;
    height: 11px !important;
}

/* Sidebar compact expanded steps overrides */
.controls-section .ios-prompt-expanded-content .ios-prompt-header,
.controls-section .desktop-prompt-expanded-content .desktop-prompt-header {
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.controls-section .ios-prompt-expanded-content .ios-prompt-app-icon,
.controls-section .desktop-prompt-expanded-content .desktop-prompt-app-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.controls-section .ios-prompt-expanded-content .ios-prompt-app-info h3,
.controls-section .desktop-prompt-expanded-content .desktop-prompt-app-info h3 {
    font-size: 0.9rem;
}

.controls-section .ios-prompt-expanded-content .ios-prompt-app-info p,
.controls-section .desktop-prompt-expanded-content .desktop-prompt-app-info p {
    font-size: 0.75rem;
}

.controls-section .ios-prompt-body p,
.controls-section .desktop-prompt-body p {
    font-size: 0.8rem !important;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.controls-section .ios-prompt-step,
.controls-section .desktop-prompt-step {
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.controls-section .ios-prompt-step-num,
.controls-section .desktop-prompt-step-num {
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
}

.controls-section .ios-prompt-step-text,
.controls-section .desktop-prompt-step-text {
    font-size: 0.8rem !important;
    line-height: 1.3;
}

.ios-prompt-card,
.desktop-prompt-card {
    width: 100%;
    background: var(--ios-prompt-bg);
    backdrop-filter: blur(24px) saturate(190%);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    border: 1px solid var(--ios-prompt-border);
    border-radius: 24px;
    padding: 1.25rem;
    position: relative;
    box-shadow: var(--ios-prompt-shadow);
    box-sizing: border-box;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.ios-prompt-container.collapsed .ios-prompt-collapsed-content,
.desktop-prompt-container.collapsed .desktop-prompt-collapsed-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-right: 2rem;
}

.ios-prompt-container.collapsed .ios-prompt-expanded-content,
.desktop-prompt-container.collapsed .desktop-prompt-expanded-content {
    display: none;
}

.ios-prompt-container:not(.collapsed) .ios-prompt-collapsed-content,
.desktop-prompt-container:not(.collapsed) .desktop-prompt-collapsed-content {
    display: none;
}

.ios-prompt-container:not(.collapsed) .ios-prompt-expanded-content,
.desktop-prompt-container:not(.collapsed) .desktop-prompt-expanded-content {
    display: block;
    animation: iosPromptFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes iosPromptFadeIn {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ios-prompt-container.collapsed .ios-prompt-close {
    display: none !important;
}

.desktop-prompt-container.collapsed .desktop-prompt-close {
    display: flex !important;
    width: 24px;
    height: 24px;
    top: 0.5rem;
    right: 0.5rem;
}

.ios-prompt-header-compact,
.desktop-prompt-header-compact {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.ios-prompt-header-compact .ios-prompt-app-icon,
.desktop-prompt-header-compact .desktop-prompt-app-icon {
    width: 42px;
    height: 42px;
    border-radius: 9px;
}

.ios-prompt-header-compact .ios-prompt-app-info h3,
.desktop-prompt-header-compact .desktop-prompt-app-info h3 {
    font-size: 0.95rem;
}

.ios-prompt-header-compact .ios-prompt-app-info p,
.desktop-prompt-header-compact .desktop-prompt-app-info p {
    font-size: 0.75rem;
}

.ios-prompt-install-btn,
.desktop-prompt-install-btn {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.55rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 10px rgba(27, 82, 86, 0.3);
    flex-shrink: 0;
}

.ios-prompt-install-btn:hover,
.desktop-prompt-install-btn:hover {
    background: var(--accent-hover);
    box-shadow: 0 4px 14px rgba(39, 132, 51, 0.45);
}

.ios-prompt-install-btn:active,
.desktop-prompt-install-btn:active {
    transform: scale(0.96);
}

.ios-prompt-install-btn svg.btn-icon-svg,
.desktop-prompt-install-btn svg.btn-icon-svg {
    width: 13px;
    height: 13px;
    stroke-width: 2.5px;
}

.ios-prompt-close,
.desktop-prompt-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--ios-prompt-close-bg) !important;
    border: 1px solid var(--ios-prompt-close-border) !important;
    color: var(--ios-prompt-close-color) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: background-color 0.2s, color 0.2s, transform 0.2s;
    z-index: 10;
}

.ios-prompt-close:hover,
.desktop-prompt-close:hover {
    background: var(--ios-prompt-close-hover-bg) !important;
    transform: scale(1.05);
}

.ios-prompt-close:active,
.desktop-prompt-close:active {
    transform: scale(0.95);
}

.ios-prompt-close svg,
.desktop-prompt-close svg {
    width: 14px;
    height: 14px;
    stroke-width: 2.5px;
    stroke: currentColor;
}

.ios-prompt-header,
.desktop-prompt-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-right: 2rem;
}

.ios-prompt-app-icon,
.desktop-prompt-app-icon {
    width: 54px;
    height: 54px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--bg-color);
    flex-shrink: 0;
}

.ios-prompt-app-icon img,
.desktop-prompt-app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ios-prompt-app-info h3,
.desktop-prompt-app-info h3 {
    margin: 0;
    font-family: 'Inter', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
}

.ios-prompt-app-info p,
.desktop-prompt-app-info p {
    margin: 0.1rem 0 0 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.ios-prompt-body p,
.desktop-prompt-body p {
    margin: 0 0 1.25rem 0;
    font-size: 0.88rem;
    line-height: 1.45;
    color: var(--text-main);
}

.ios-prompt-steps,
.desktop-prompt-steps {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    border-top: 1px solid var(--ios-prompt-steps-border);
    padding-top: 1rem;
}

.ios-prompt-step,
.desktop-prompt-step {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
}

.ios-prompt-step-num,
.desktop-prompt-step-num {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.ios-prompt-step-text,
.desktop-prompt-step-text {
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--text-main);
}

.ios-icon-span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--ios-prompt-icon-span-bg);
    border: 1px solid var(--ios-prompt-icon-span-border);
    border-radius: 6px;
    padding: 0.15rem 0.35rem;
    vertical-align: middle;
    margin: 0 0.15rem;
}

.ios-icon-span-plus {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    vertical-align: middle;
    margin-right: 0.25rem;
    color: var(--accent-readable);
}

.ios-action-icon {
    width: 14px;
    height: 14px;
    display: inline-block;
    vertical-align: middle;
}

.ios-action-text {
    font-weight: 600;
    color: var(--accent-readable);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* SEO Features Card (Sleek Collapsible Panel) */

.seo-features-card {
    margin-top: 1.5rem;
    width: 100%;
}

.seo-details {
    width: 100%;
    box-sizing: border-box;
    background: var(--ios-prompt-bg);
    backdrop-filter: blur(24px) saturate(190%);
    -webkit-backdrop-filter: blur(24px) saturate(190%);
    border: 1px solid var(--ios-prompt-border);
    border-radius: 20px;
    box-shadow: var(--ios-prompt-shadow);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.seo-details[open] {
    box-shadow: var(--ios-prompt-shadow);
}

.seo-summary {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    width: 100%;
    box-sizing: border-box;
    cursor: pointer;
    user-select: none;
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    list-style: none;
    transition: background-color 0.2s ease;
}

.seo-summary::-webkit-details-marker {
    display: none;
}

.seo-summary:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .seo-summary:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.seo-info-icon {
    width: 14px;
    height: 14px;
    color: var(--accent-readable);
    flex-shrink: 0;
}

.seo-arrow-icon {
    width: 14px;
    height: 14px;
    margin-left: auto;
    color: var(--text-muted);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    flex-shrink: 0;
}

.seo-details[open] .seo-arrow-icon {
    transform: rotate(180deg);
}

.seo-details-content {
    padding: 1.25rem;
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-muted);
    border-top: 1px solid var(--ios-prompt-border);
    margin-top: 0;
}

.seo-details-content h2 {
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.seo-details-content h3 {
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-main);
    margin: 0.75rem 0 0.4rem 0;
}

.seo-details-content p {
    margin-bottom: 0.5rem;
}

.seo-details-content ul {
    padding-left: 1.15rem;
    margin: 0;
}

.seo-details-content li {
    margin-bottom: 0.4rem;
}

.seo-details-content li strong {
    color: var(--text-main);
}

.seo-details-content a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s, text-decoration 0.2s;
}

.seo-details-content a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* About panel enhancements & API CTA card */
.seo-intro-text {
    margin-bottom: 1rem;
    font-size: 0.8rem;
    line-height: 1.4;
    color: var(--text-muted);
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 1.25rem;
}

.feature-item {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.feature-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: var(--control-bg);
    border: 1px solid var(--border-color);
    color: var(--accent-readable);
    flex-shrink: 0;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-icon {
    width: 14px;
    height: 14px;
    display: block;
}

.feature-text {
    font-size: 0.775rem;
    line-height: 1.4;
    color: var(--text-muted);
}

.feature-text strong {
    color: var(--text-main);
    display: inline-block;
    margin-right: 0.25rem;
}

.about-link-wrapper {
    margin: 1.5rem 0 1rem 0;
    text-align: left;
}

.about-link-wrapper {
    margin: 1.5rem 0 1rem 0;
    text-align: left;
}

.about-page-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-readable, #2ecc71) !important;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: 'Outfit', sans-serif;
    transition: color 0.2s ease;
}

.about-page-link svg {
    transition: transform 0.2s ease;
}

.about-page-link:hover {
    color: #27ae60;
}

.about-page-link:hover svg {
    transform: translateX(3px);
}

/* API CTA Card */
.api-cta-card {
    margin-top: 1.25rem;
    padding: 1.25rem;
    border-radius: 16px;
    background: linear-gradient(215deg, rgba(39, 132, 51, 0.4) 6.3%, rgba(27, 82, 86, 0.03) 70.59%);
    border: 1px solid rgba(39, 132, 51, 0.20);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

[data-theme="light"] .api-cta-card {
    background: linear-gradient(303deg, rgba(39, 132, 51, 0.4), rgba(27, 82, 86, 0.03) 50%);
    border: 1px solid rgba(27, 82, 86, 0.15);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}

.api-cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent) 0%, transparent 100%);
    opacity: 0.7;
}

.api-cta-card:hover {
    border-color: rgba(39, 132, 51, 0.4);
}

[data-theme="light"] .api-cta-card:hover {
    border-color: rgba(27, 82, 86, 0.3);
}

.api-cta-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.api-cta-tag {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--accent-readable);
}

.api-cta-badge {
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(96, 165, 250, 0.15);
    color: var(--accent);
}

[data-theme="light"] .api-cta-badge {
    background: rgba(37, 99, 235, 0.1);
}

.api-cta-title {
    font-family: 'Outfit', system-ui, -apple-system, sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.35rem;
}

.api-cta-desc {
    font-size: 0.775rem;
    line-height: 1.4;
    color: var(--text-muted);
    margin-bottom: 0.85rem;
}

.api-cta-code {
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.75rem;
    color: #e4e4e7;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

[data-theme="light"] .api-cta-code {
    background: #f4f4f5;
    border-color: #e4e4e7;
    color: #18181b;
}

.api-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.65rem 1rem;
    background: var(--accent);
    color: #ffffff !important;
    text-decoration: none !important;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 2px 8px rgba(96, 165, 250, 0.2);
}

[data-theme="light"] .api-cta-btn {
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.api-cta-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
}

[data-theme="light"] .api-cta-btn:hover {
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.api-btn-arrow {
    width: 14px;
    height: 14px;
    transition: transform 0.2s ease;
}

.api-cta-btn:hover .api-btn-arrow {
    transform: translateX(4px);
}

/* Card Container Blueprint mapped identically from your .api-cta-card tokens */
.shortcut-cta-card {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.15) 0%, rgba(2, 6, 23, 0.4) 100%);
    border: 1px solid rgba(39, 174, 96, 0.5);
    border-radius: 1rem;
    padding: 1.25rem;
    margin-top: 1rem;
    margin-bottom: 0;
    text-align: left;
}

[data-theme="light"] .shortcut-cta-card {
    background: linear-gradient(42deg, rgba(39, 174, 96, 0.29), rgba(229, 255, 250, 0.05) 86.13%);
}

[data-theme="light"] .shortcut-cta-card h4,
[data-theme="light"] .shortcut-cta-card p {
    color: black;
}

.shortcut-cta-header {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.shortcut-cta-tag {
    font-family: 'Outfit', sans-serif;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: #2ecc71;
    background: rgba(46, 204, 113, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
}

.shortcut-cta-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 0.375rem 0;
}

.shortcut-cta-desc {
    font-size: 0.85rem;
    line-height: 1.4;
    color: rgba(255, 255, 255, 0.6);
    margin: 0 0 1rem 0;
}

/* Replaces split utility columns with a clean vertical track layout */
.shortcut-card-stacked {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: flex-start;
}

.shortcut-card-stacked .shortcut-cta-header {
    justify-content: flex-start;
}

.shortcut-card-stacked .shortcut-cta-desc {
    margin-bottom: 1.5rem;
}

/* Centered Layout Tracks for Interactive Artifacts */
.shortcut-card-widget-centered {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-bottom: 1.5rem;
}

.shortcut-badge-centered-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
}

/* Maintain identical core scaling properties from the prior step */
.sidebar-native-shortcuts-card {
    width: 125px;
    height: 90px;
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    border-radius: 16px;
    padding: 12px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 6px 16px rgba(39, 174, 96, 0.15);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.sidebar-native-shortcuts-card:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 20px rgba(39, 174, 96, 0.25);
}

/* Premium Matte App Store Button Badge Setup */
.sidebar-apple-shortcuts-badge {
    display: inline-flex;
    align-items: center;
    background: #000000;
    color: #ffffff;
    text-decoration: none !important;
    padding: 8px 16px;
    border-radius: 8px;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
}

.sidebar-apple-shortcuts-badge:hover {
    background: #0a0a0a;
    border-color: rgba(255, 255, 255, 0.35);
}

.sidebar-apple-shortcuts-badge:active {
    transform: scale(0.97);
}

.sidebar-apple-shortcuts-badge .apple-shortcuts-logo {
    margin-right: 10px;
    flex-shrink: 0;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-apple-shortcuts-badge .badge-text-wrapper {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.sidebar-apple-shortcuts-badge .badge-label {
    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    font-weight: 700;
    line-height: 10px;
    opacity: 0.85;
}

.sidebar-apple-shortcuts-badge .badge-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: -0.2px;
    line-height: 14px;
    margin-top: 1px;
}

.sidebar-native-shortcuts-card {
    width: 125px;
    height: 90px;
    background: linear-gradient(135deg, #2ecc71 0%, #27ae60 100%);
    border-radius: 16px;
    padding: 12px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 6px 16px rgba(39, 174, 96, 0.15);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.sidebar-native-shortcuts-card:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 20px rgba(39, 174, 96, 0.25);
}

.sidebar-native-shortcuts-card .card-top-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    width: 100%;
}

.sidebar-native-shortcuts-card .widget-qr-icon {
    width: 20px;
    height: 20px;
    opacity: 0.95;
}

.sidebar-native-shortcuts-card .widget-play-orb {
    width: 22px;
    height: 22px;
    background: rgba(255, 255, 255, 0.22);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-native-shortcuts-card .widget-play-orb svg {
    width: 8px;
    height: 8px;
    margin-left: 1px;
}

.sidebar-native-shortcuts-card .widget-app-title {
    color: #ffffff !important;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: -0.2px;
    text-decoration: none !important;
}

/* Remove any recursive underlines from anchoring blocks inside the sidebar */
.shortcut-card-widget-side a,
.shortcut-card-widget-side a:hover,
.shortcut-cta-card a,
.shortcut-cta-card a:hover {
    text-decoration: none !important;
}

/* ============================================================
   Properties Inspector Responsive Queries
   ============================================================ */

@media (max-width: 960px) {
    .container {
        grid-template-columns: 1fr !important;
    }

    .preview-section {
        grid-column: auto !important;
        border-left: none !important;
        background-image: none !important;
        overflow: visible !important;
    }

    .controls-section {
        grid-column: auto !important;
        grid-row: auto !important;
        overflow-y: visible !important;
    }

    .inspector-section {
        padding: 1rem 1.25rem !important;
    }
}

/* ============================================================
   Global Header & Mobile Navigation styles
   ============================================================ */
.global-header {
    height: calc(60px + env(safe-area-inset-top, 0px));
    padding-top: env(safe-area-inset-top, 0px);
    box-sizing: border-box;
    background-color: var(--panel-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transition: background-color 0.2s, border-color 0.2s;
}

.global-header .header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.global-header .logo-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-main);
    /* background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, rgba(0, 0, 0, 0) 70%); */
    /* padding: 10px 20px; */
}

.global-header .logo-text {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: var(--logo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    /* filter: drop-shadow(0px 0px 25px rgba(250, 250, 250, 0.28)); */
    filter: drop-shadow(0 0 20px rgba(214, 214, 214, 0.076));
}

.global-header .badge {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 0.65rem;
    font-weight: 600;
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
    background: rgba(27, 82, 86, 0.15);
    color: var(--accent-readable);
    border: 1px solid rgba(27, 82, 86, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    line-height: 1;
    margin-left: 0.25rem;
    transition: all 0.2s ease;
}

[data-theme="light"] .global-header .badge {
    background: rgba(27, 82, 86, 0.08);
    color: var(--accent);
    border-color: rgba(27, 82, 86, 0.18);
}

.global-header .badge-ai {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.3);
}

[data-theme="light"] .global-header .badge-ai {
    background: rgba(16, 185, 129, 0.08);
    color: #059669;
    border-color: rgba(16, 185, 129, 0.18);
}

.global-header .header-right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.global-header .header-nav {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.global-header .nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.global-header .nav-link:hover {
    color: var(--accent);
}

.global-header .nav-link.active {
    color: var(--text-main);
    font-weight: 600;
}

/* Mobile Menu Toggle Button */
.global-header .mobile-menu-toggle {
    display: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--control-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    color: var(--text-main);
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background-color 0.2s, border-color 0.2s;
}

.global-header .mobile-menu-toggle:hover {
    background-color: var(--control-bg-hover);
    border-color: var(--border-color-strong);
}

.global-header .mobile-menu-toggle svg {
    width: 18px;
    height: 18px;
}

/* Mobile Dropdown Navigation Menu */
.mobile-nav-menu {
    position: fixed;
    top: calc(60px + env(safe-area-inset-top, 0px));
    left: 0;
    right: 0;
    background-color: var(--panel-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem;
    z-index: 99;
    visibility: hidden;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-10px);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s, border-color 0.2s, visibility 0.2s ease;
}

.mobile-nav-menu.active {

    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.mobile-menu-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.05rem;
    font-weight: 500;
    padding: 0.65rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s, color 0.2s;
}

.mobile-menu-link:hover {
    background-color: var(--control-bg);
    color: var(--accent-readable);
}

.mobile-menu-link.active {
    background-color: var(--control-bg-hover);
    color: var(--text-main);
    font-weight: 600;
}

@media (max-width: 640px) {
    .global-header .header-nav {
        display: none;
    }

    .global-header .mobile-menu-toggle {
        display: flex;
    }
}

/* Header layout helper for fixed header pages */
body.has-global-header {
    padding-top: calc(60px + env(safe-area-inset-top, 0px)) !important;
}

@media (min-width: 961px) {
    body.has-global-header .container {
        height: calc(100vh - (60px + env(safe-area-inset-top, 0px))) !important;
    }
}

.main-app .footer-app-link {
    display: none !important;
}

/* Desktop-only: constrain controls to viewport height and scroll internally */
@media (min-width: 961px) {
    .main-app .controls-section {
        display: flex !important;
        flex-direction: column !important;
        height: calc(100vh - 60px) !important;
        overflow: hidden !important;
        margin-top: 0;
    }

    .controls-content-wrapper {
        flex: 1;
        overflow-y: auto;
    }
}

.main-app.controls-section .page-footer {
    margin-top: 0;
}

.main-app-footer {
    flex-shrink: 0;
}

/* Heading Anchor Links */
.page-content h1,
.page-content h2,
.page-content h3 {
    position: relative;
    scroll-margin-top: 80px;
}

.heading-anchor {
    position: absolute;
    left: -28px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.2s, color 0.2s, transform 0.2s;
    color: var(--text-subtle);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    text-decoration: none;
    cursor: pointer;
}

.page-content h1:hover .heading-anchor,
.page-content h2:hover .heading-anchor,
.page-content h3:hover .heading-anchor {
    opacity: 0.7;
}

.heading-anchor:hover {
    opacity: 1 !important;
    color: var(--accent);
}

.heading-anchor svg {
    width: 16px;
    height: 16px;
    pointer-events: none;
}

.heading-anchor.copied {
    opacity: 1 !important;
    color: #10b981;
    transform: translateY(-50%) scale(1.1);
}

@media (max-width: 640px) {
    .heading-anchor {
        left: -20px;
    }

    .heading-anchor svg {
        width: 14px;
        height: 14px;
    }
}