/* assets/css/style.css */
/* Modern Glassmorphic & Cyber-Responsive Design System */

:root {
    --bg-base: #0b0f19;
    --bg-surface: #111827;
    --bg-card: rgba(17, 24, 39, 0.75);
    --bg-card-hover: rgba(31, 41, 55, 0.85);
    --bg-input: #1f2937;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(59, 130, 246, 0.4);
    
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.25);
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --purple: #8b5cf6;
    --cyan: #06b6d4;
    
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Courier, monospace;
    --font-digital: 'Courier New', Consolas, Courier, monospace;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --shadow-neon: 0 0 20px rgba(59, 130, 246, 0.35);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* Light Theme */
[data-theme="light"] {
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-hover: #ffffff;
    --bg-input: #f1f5f9;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-highlight: rgba(59, 130, 246, 0.3);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.15);
    --shadow-neon: 0 4px 14px rgba(37, 99, 235, 0.15);
}

/* Cyberpunk Green Matrix Theme */
[data-theme="cyberpunk"] {
    --bg-base: #050d08;
    --bg-surface: #0a180e;
    --bg-card: rgba(10, 26, 15, 0.85);
    --bg-card-hover: rgba(16, 42, 24, 0.9);
    --bg-input: #0e2415;
    --border-color: rgba(34, 197, 94, 0.2);
    --border-highlight: #22c55e;
    --text-primary: #4ade80;
    --text-secondary: #86efac;
    --text-muted: #15803d;
    --accent: #22c55e;
    --accent-hover: #16a34a;
    --accent-glow: rgba(34, 197, 94, 0.35);
    --shadow-neon: 0 0 25px rgba(34, 197, 94, 0.45);
}

/* Retro Amber Nixie Theme */
[data-theme="amber"] {
    --bg-base: #0e0a05;
    --bg-surface: #1a1309;
    --bg-card: rgba(28, 20, 10, 0.85);
    --bg-card-hover: rgba(45, 32, 16, 0.9);
    --bg-input: #23180b;
    --border-color: rgba(245, 158, 11, 0.25);
    --border-highlight: #f59e0b;
    --text-primary: #fbbf24;
    --text-secondary: #fde68a;
    --text-muted: #b45309;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --accent-glow: rgba(245, 158, 11, 0.35);
    --shadow-neon: 0 0 25px rgba(245, 158, 11, 0.4);
}

/* Midnight Ocean Theme */
[data-theme="ocean"] {
    --bg-base: #030712;
    --bg-surface: #0b1528;
    --bg-card: rgba(11, 21, 40, 0.8);
    --bg-card-hover: rgba(17, 34, 64, 0.9);
    --bg-input: #132442;
    --border-color: rgba(14, 165, 233, 0.2);
    --border-highlight: #0ea5e9;
    --text-primary: #e0f2fe;
    --text-secondary: #7dd3fc;
    --text-muted: #0284c7;
    --accent: #0ea5e9;
    --accent-hover: #0284c7;
    --accent-glow: rgba(14, 165, 233, 0.3);
    --shadow-neon: 0 0 25px rgba(14, 165, 233, 0.4);
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.25s ease, color 0.25s ease;
}

a {
    color: inherit;
    text-decoration: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: 1rem;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    transition: all 0.18s ease;
}

/* Layout Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Top Navbar */
.navbar {
   
    top: 0;
    z-index: 1000;
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 1rem;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    white-space: nowrap;
}

.brand-link .logo-icon {
    font-size: 1.4rem;
    filter: drop-shadow(0 0 8px var(--accent));
}

.brand-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 9999px;
    background: var(--accent-glow);
    color: var(--accent);
    border: 1px solid var(--border-highlight);
    text-transform: uppercase;
    font-weight: 800;
}

/* Nav Menu & Dropdowns */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0.25rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-md);
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--accent);
    font-weight: 600;
}

.dropdown-arrow {
    font-size: 0.7rem;
    transition: transform 0.2s ease;
}

.nav-item:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Mega Dropdown Menus */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    max-width: min(94vw, 660px);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    overflow-x: hidden;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.6rem;
    display: none;
    z-index: 1010;
    backdrop-filter: blur(20px);
    scrollbar-width: thin;
}

.dropdown-menu::-webkit-scrollbar {
    width: 6px;
}

.dropdown-menu::-webkit-scrollbar-thumb {
    background: var(--border-highlight);
    border-radius: 9999px;
}

.dropdown-menu.dropdown-menu-right {
    left: auto;
    right: 0;
}

.dropdown-menu.mega-grid-2 {
    width: 480px;
    max-width: min(92vw, 480px);
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.25rem;
}

.dropdown-menu.mega-grid-3 {
    width: 660px;
    max-width: min(94vw, 660px);
    display: none;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.25rem;
}

@media (max-width: 1200px) {
    .dropdown-menu.mega-grid-3 {
        width: 460px;
        max-width: min(92vw, 460px);
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.nav-item:hover > .dropdown-menu {
    display: block;
    animation: fadeInDown 0.18s ease-out;
}

.nav-item:hover > .dropdown-menu.mega-grid-2 {
    display: grid;
}

.nav-item:hover > .dropdown-menu.mega-grid-3 {
    display: grid;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.12s ease;
    min-width: 0;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    transform: translateX(2px);
}

.dropdown-item.active {
    background: var(--accent-glow);
    color: var(--accent);
    font-weight: 600;
}

.dropdown-item .item-icon {
    font-size: 1.1rem;
    width: 20px;
    flex-shrink: 0;
    text-align: center;
}

.dropdown-item span:last-child {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.icon-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-highlight);
    background: rgba(255, 255, 255, 0.08);
}

.theme-select {
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    outline: none;
    cursor: pointer;
}

.mobile-menu-btn {
    display: none;
}

/* Search Modal (Spotlight) */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.search-modal.open {
    opacity: 1;
    pointer-events: auto;
}

.search-box {
    width: 90%;
    max-width: 640px;
    background: var(--bg-surface);
    border: 1px solid var(--border-highlight);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-neon);
    overflow: hidden;
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    gap: 0.75rem;
}

.search-input-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1.15rem;
    outline: none;
}

.search-results {
    max-height: 420px;
    overflow-y: auto;
    padding: 0.5rem;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: background 0.15s ease;
}

.search-result-item:hover, .search-result-item.selected {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.search-result-title {
    font-weight: 600;
    color: var(--text-primary);
}

.search-result-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Page Main Content Area */
.main-content {
    flex: 1;
    padding: 2rem 0 4rem;
}

/* Page Header & Breadcrumbs */
.page-header {
    margin-bottom: 1.75rem;
    text-align: center;
}

.page-title {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}

.page-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
}

/* Primary Glass Card */
.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    margin-bottom: 2rem;
    position: relative;
}

/* Digital Display Hero Area */
.digital-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1rem;
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.digital-time {
    font-family: var(--font-digital);
    font-size: clamp(2.2rem, 10vw, 8rem);
    font-weight: 800;
    letter-spacing: 0.04em;
    color: var(--text-primary);
    text-shadow: var(--shadow-neon);
    line-height: 1.05;
    user-select: none;
    margin: 0.5rem 0;
    max-width: 100%;
    word-break: keep-all;
    text-align: center;
}

.digital-subtime {
    font-family: var(--font-digital);
    font-size: clamp(1.2rem, 3.5vw, 2.2rem);
    color: var(--text-secondary);
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.digital-date {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.02em;
    margin-bottom: 0.75rem;
}

/* Homepage Clock & Controls Bar */
.home-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
    width: 100%;
}

.home-mode-tabs {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-input);
    padding: 4px;
    border-radius: var(--radius-md);
    max-width: 100%;
}

.home-clock-options {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    max-width: 100%;
}

.home-clock-options #clock-tz {
    width: auto;
    max-width: 100%;
    padding: 0.4rem 0.75rem;
    font-size: 0.875rem;
}

/* Quick Timer Inputs */
.quick-timer-inputs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    width: 100%;
}

.timer-input-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.timer-input-group .form-input {
    width: 60px;
    text-align: center;
    padding: 0.45rem 0.35rem;
}

.timer-input-unit {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Stopwatch Laps Container */
.sw-laps-wrap {
    max-height: 200px;
    overflow-y: auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-top: 1.5rem;
    width: 100%;
    max-width: 100%;
}

/* Home Alarm Box */
.home-alarm-box {
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
    background: var(--bg-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

/* Featured Section */
.home-featured-section {
    margin-top: 3.5rem;
    width: 100%;
}

.featured-heading {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.featured-subheading {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Control Buttons Bar */
.control-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.75rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.6rem;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.18s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--border-highlight);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--success);
    color: #ffffff;
}

.btn-success:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-danger {
    background: var(--danger);
    color: #ffffff;
}

.btn-danger:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 1rem 2.2rem;
    font-size: 1.15rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}

/* Preset Chips */
.preset-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin: 1.25rem 0;
}

.chip-btn {
    padding: 0.45rem 1rem;
    border-radius: 9999px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.chip-btn:hover, .chip-btn.active {
    background: var(--accent-glow);
    border-color: var(--border-highlight);
    color: var(--accent);
    font-weight: 600;
}

/* Inputs & Form Elements */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.2rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    width: 100%;
    box-sizing: border-box;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    width: 100%;
    box-sizing: border-box;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    width: 100%;
    box-sizing: border-box;
}

/* Square Preset Tile Buttons (Egg, Kids, Nap, Cook Timers) */
.egg-preset,
.kids-preset,
.nap-preset,
.cook-preset,
.preset-tile {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    padding: 0.9rem 0.5rem !important;
    min-width: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-break: break-word !important;
    overflow-wrap: break-word !important;
    border-radius: var(--radius-lg) !important;
    gap: 0.35rem !important;
    transition: all 0.2s ease !important;
    cursor: pointer;
}

.egg-preset span,
.kids-preset span,
.nap-preset span,
.cook-preset span,
.cook-preset small,
.preset-tile span {
    display: block !important;
    max-width: 100% !important;
    word-break: break-word !important;
    text-align: center !important;
}

.egg-preset strong,
.kids-preset strong,
.nap-preset strong,
.cook-preset strong,
.preset-tile strong {
    display: block !important;
    font-size: 0.95rem !important;
    line-height: 1.25 !important;
    max-width: 100% !important;
    word-break: break-word !important;
    text-align: center !important;
}

/* Active & Hover State for Preset Tiles */
.egg-preset.active,
.kids-preset.active,
.nap-preset.active,
.cook-preset.active,
.kt-preset-btn.active,
.preset-tile.active {
    background: var(--accent-glow) !important;
    border-color: var(--accent) !important;
    color: var(--accent) !important;
    box-shadow: 0 0 14px var(--accent-glow) !important;
}

.egg-preset:hover,
.kids-preset:hover,
.nap-preset:hover,
.cook-preset:hover,
.preset-tile:hover {
    transform: translateY(-2px);
    border-color: var(--border-highlight);
}

/* ==========================================================================
   Timer Suite Specific Component Classes
   ========================================================================== */
.pomo-dial-wrap {
    position: relative;
    width: min(280px, 72vw);
    height: min(280px, 72vw);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pomo-dial-wrap svg {
    width: 100%;
    height: 100%;
}

.pomo-mode-tabs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    max-width: 100%;
}

.cd-custom-inputs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
    width: 100%;
    margin-bottom: 1.5rem;
}

.egg-config-box,
.loop-config-box,
.boxing-config-box {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
    width: 100%;
    box-sizing: border-box;
}

.multi-header-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.cube-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    width: 100%;
    margin-bottom: 1.5rem;
    box-sizing: border-box;
}

.kt-presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
    gap: 0.75rem;
    width: 100%;
    box-sizing: border-box;
}

.race-standings-wrap,
.sw-laps-wrap,
.table-responsive-wrap,
.bingo-board-wrap,
.seating-chart-scroll-wrap {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
}

/* Feature & Related Tools Cards */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 2.5rem;
}

.tool-teaser-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
}

.tool-teaser-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-highlight);
    box-shadow: var(--shadow-md), var(--shadow-neon);
}

.tool-teaser-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin-bottom: 0.5rem;
}

.tool-teaser-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.tool-teaser-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    flex: 1;
}

/* Countdown Flip / Metric Blocks */
.countdown-blocks {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin: 2rem 0;
}

.countdown-block {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem 1rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.countdown-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent);
}

.countdown-num {
    font-family: var(--font-digital);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1;
    color: var(--text-primary);
    text-shadow: var(--shadow-neon);
}

.countdown-label {
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Progress Bar */
.progress-container {
    width: 100%;
    height: 10px;
    background: var(--bg-input);
    border-radius: 9999px;
    overflow: hidden;
    margin: 1.5rem 0;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--cyan));
    transition: width 0.3s ease;
    border-radius: 9999px;
}

/* Laps Table */
.laps-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.laps-table th, .laps-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.laps-table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

.laps-table tr.fastest {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.laps-table tr.slowest {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
}

/* Footer */
.footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0 2rem;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.footer-col-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.85rem;
    transition: color 0.15s ease;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 1rem;
}

/* Fullscreen Mode helper */
body.is-fullscreen .navbar,
body.is-fullscreen .page-header,
body.is-fullscreen .footer,
body.is-fullscreen .tools-grid {
    display: none !important;
}

body.is-fullscreen .main-content {
    padding: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

body.is-fullscreen .tool-card {
    border: none;
    background: transparent;
    box-shadow: none;
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 0;
}

/* Focused Fullscreen Countdown Display Area */
body.is-fullscreen .countdown-theme-module,
body.is-fullscreen .countdown-controls,
body.is-fullscreen .control-bar,
body.is-fullscreen .countdown-custom-settings,
body.is-fullscreen #custom-save-btn {
    display: none !important;
}

body.is-fullscreen #event-card-container {
    max-width: 100vw !important;
    width: 100vw !important;
    height: 100vh !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    z-index: 9999 !important;
}

body.is-fullscreen #theme-canvas {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
}

body.is-fullscreen #event-stage-card {
    width: min(92vw, 1100px) !important;
    padding: clamp(2rem, 5vw, 4.5rem) clamp(1.5rem, 4vw, 3.5rem) !important;
    border-radius: var(--radius-xl) !important;
    background: var(--bg-surface) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3) !important;
    margin: 0 auto !important;
}

body.is-fullscreen #event-display-title {
    font-size: clamp(2.2rem, 5.5vw, 4rem) !important;
    margin-bottom: 0.5rem !important;
}

body.is-fullscreen #event-target-subtitle {
    font-size: clamp(1.1rem, 2.2vw, 1.5rem) !important;
    margin-bottom: 2rem !important;
}

body.is-fullscreen .countdown-blocks {
    max-width: 960px !important;
    gap: clamp(0.75rem, 2.5vw, 2rem) !important;
}

body.is-fullscreen .countdown-block {
    padding: clamp(1.4rem, 3.5vw, 2.8rem) clamp(0.75rem, 2vw, 1.5rem) !important;
    border-radius: var(--radius-xl) !important;
}

body.is-fullscreen .countdown-num {
    font-size: clamp(3.2rem, 9vw, 6.5rem) !important;
    line-height: 1 !important;
}

body.is-fullscreen .countdown-label {
    font-size: clamp(0.85rem, 1.8vw, 1.25rem) !important;
    margin-top: 0.6rem !important;
}

body.is-fullscreen #cde-summary {
    font-size: clamp(1.2rem, 2.2vw, 1.6rem) !important;
    margin-top: 1.5rem !important;
}

/* Floating Exit Fullscreen Button */
.cde-exit-fs-pill {
    position: fixed !important;
    top: 20px !important;
    right: 24px !important;
    z-index: 100000 !important;
    padding: 8px 18px !important;
    background: rgba(15, 23, 42, 0.8) !important;
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.25) !important;
    backdrop-filter: blur(10px) !important;
    border-radius: 999px !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    cursor: pointer !important;
    display: none;
    align-items: center !important;
    gap: 6px !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
    transition: all 0.2s ease !important;
}

.cde-exit-fs-pill:hover {
    background: rgba(15, 23, 42, 0.95) !important;
    transform: translateY(-1px) !important;
    border-color: var(--accent) !important;
}

body.is-fullscreen .cde-exit-fs-pill {
    display: inline-flex !important;
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }
    
    .nav-actions > :not(.mobile-menu-btn) {
        display: none !important;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .countdown-blocks {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tool-card {
        padding: 1.75rem 1.25rem;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: clamp(1.4rem, 5.5vw, 1.85rem);
        flex-wrap: wrap;
    }
    
    .page-desc {
        font-size: 0.95rem;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 1rem;
    }
}

@media (max-width: 640px) {
    .home-mode-tabs {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.35rem;
    }
    
    .home-mode-tabs .chip-btn {
        width: 100%;
        text-align: center;
        justify-content: center;
        padding: 0.5rem 0.35rem;
        font-size: 0.82rem;
        white-space: nowrap;
    }
    
    .home-clock-options {
        width: 100%;
        gap: 0.4rem;
    }
    
    .home-clock-options #clock-tz {
        width: 100% !important;
    }
    
    .home-clock-options .chip-btn {
        flex: 1 1 calc(33.333% - 0.35rem);
        text-align: center;
        justify-content: center;
        padding: 0.4rem 0.35rem;
        font-size: 0.8rem;
        min-width: 0;
    }
    
    .digital-hero {
        padding: 1.5rem 0.5rem !important;
    }
    
    .digital-time {
        font-size: clamp(1.85rem, 9.5vw, 3.25rem) !important;
        letter-spacing: 0.02em;
    }
    
    .digital-subtime {
        font-size: clamp(1rem, 3.5vw, 1.5rem) !important;
    }
    
    .digital-date {
        font-size: 0.85rem;
        text-align: center;
        padding: 0 0.5rem;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }
    
    .control-bar {
        gap: 0.5rem;
        margin-top: 1.25rem;
    }
    
    .control-bar .btn-lg {
        padding: 0.75rem 1.15rem;
        font-size: 0.95rem;
        flex: 1 1 calc(50% - 0.35rem);
        min-width: 90px;
    }
    
    .home-featured-section {
        margin-top: 2rem;
    }
    
    .featured-heading {
        font-size: 1.25rem;
    }
    
    .featured-subheading {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    /* Pomodoro Mobile */
    .pomo-mode-tabs {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.35rem;
    }

    .pomo-mode-tabs .chip-btn {
        width: 100%;
        padding: 0.5rem 0.2rem;
        font-size: 0.76rem;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .pomo-dial-wrap {
        width: min(240px, 70vw);
        height: min(240px, 70vw);
    }

    /* Countdown Mobile Custom Inputs */
    .cd-custom-inputs {
        gap: 0.4rem;
    }

    .cd-custom-inputs .timer-input-group .form-input {
        width: 52px;
        padding: 0.4rem 0.25rem;
        font-size: 0.88rem;
    }

    /* Egg, Loop, Boxing Config Box */
    .egg-config-box,
    .loop-config-box,
    .boxing-config-box {
        gap: 0.75rem;
        padding: 1rem 0.75rem !important;
    }

    .egg-config-item,
    .loop-config-item,
    .boxing-config-item {
        flex: 1 1 calc(50% - 0.4rem) !important;
        min-width: 130px !important;
        max-width: 100% !important;
    }

    .egg-config-item select,
    .loop-config-item select,
    .loop-config-item input,
    .boxing-config-item select {
        width: 100% !important;
        max-width: 100% !important;
        font-size: 0.875rem !important;
    }

    /* Multi Timer Header Actions */
    .multi-header-actions {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.4rem;
        margin-top: 0.75rem;
    }

    .multi-header-actions .btn {
        width: 100%;
        padding: 0.5rem 0.4rem;
        font-size: 0.82rem;
        justify-content: center;
    }

    /* Cube Timer Stats Grid */
    .cube-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.65rem;
    }

    .cube-stat-box {
        padding: 0.75rem 0.5rem !important;
    }

    .cube-stat-val {
        font-size: 1.25rem !important;
    }

    /* Kitchen Timer Preset Grid */
    .kt-presets-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.5rem;
    }

    .kt-preset-btn {
        padding: 0.6rem 0.35rem !important;
        font-size: 0.85rem !important;
    }

    /* Race Timer Lanes */
    .race-lane {
        padding: 0.5rem 0.4rem !important;
        gap: 0.4rem !important;
    }

    .lane-label {
        width: 52px !important;
        font-size: 0.78rem !important;
    }

    .lane-time {
        font-size: 0.82rem !important;
    }
}

@media (max-width: 560px) {
    .container {
        padding: 0 0.85rem;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.65rem;
    }

    .egg-preset,
    .kids-preset,
    .nap-preset,
    .cook-preset,
    .preset-tile {
        padding: 0.65rem 0.35rem !important;
    }

    .egg-preset strong,
    .kids-preset strong,
    .nap-preset strong,
    .cook-preset strong,
    .preset-tile strong {
        font-size: 0.85rem !important;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tool-card {
        padding: 1.25rem 0.75rem;
        border-radius: var(--radius-lg);
    }
}

@media (max-width: 420px) {
    .quick-timer-inputs {
        gap: 0.3rem;
    }
    
    .timer-input-group .form-input {
        width: 48px;
        font-size: 0.85rem;
        padding: 0.35rem 0.2rem;
    }
    
    .timer-input-unit {
        font-size: 0.8rem;
    }
    
    #quick-timer-set-btn {
        padding: 0.35rem 0.75rem;
        font-size: 0.82rem;
    }
    
    .preset-chips {
        gap: 0.35rem;
    }
    
    .preset-chips .chip-btn {
        padding: 0.35rem 0.65rem;
        font-size: 0.78rem;
    }
    
    .home-alarm-box {
        padding: 1rem 0.75rem;
    }
    
    .digital-time {
        font-size: clamp(1.65rem, 9vw, 2.75rem) !important;
        letter-spacing: 0.01em;
    }

    .pomo-mode-tabs {
        grid-template-columns: 1fr;
    }

    .egg-config-item,
    .loop-config-item,
    .boxing-config-item {
        flex: 1 1 100% !important;
        min-width: 100% !important;
    }

    .control-bar {
        gap: 0.45rem;
    }

    .control-bar .btn,
    .control-bar .btn-lg {
        flex: 1 1 calc(50% - 0.3rem);
        padding: 0.6rem 0.5rem;
        font-size: 0.88rem;
        min-width: 0;
    }

    .sleep-tab-btn,
    .pace-tab-btn,
    .speech-tab-btn {
        flex: 1 1 calc(50% - 0.35rem);
        padding: 0.45rem 0.6rem;
        font-size: 0.82rem;
        text-align: center;
    }

    .preset-btn,
    .sample-btn,
    .wpm-preset,
    .target-preset {
        padding: 0.35rem 0.5rem;
        font-size: 0.78rem;
    }
}

@media (max-width: 360px) {
    .grid-4 {
        gap: 0.45rem;
    }

    .kt-presets-grid {
        gap: 0.35rem;
    }

    .kt-preset-btn {
        padding: 0.45rem 0.2rem !important;
        font-size: 0.76rem !important;
    }

    .control-bar .btn,
    .control-bar .btn-lg {
        flex: 1 1 100%;
    }

    .sleep-tab-btn,
    .pace-tab-btn,
    .speech-tab-btn {
        flex: 1 1 100%;
    }
}

/* Mobile Drawer */
.mobile-drawer {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100vw;
    height: calc(100vh - 64px);
    background: var(--bg-surface);
    z-index: 999;
    padding: 1.5rem 1.5rem 4rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    display: none;
}

@media (min-width: 993px) {
    .mobile-drawer {
        display: none !important;
    }
}

.mobile-drawer.open {
    display: block;
}

.mobile-nav-group-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    margin: 1.25rem 0 0.5rem;
}

.mobile-nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-nav-links a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.mobile-nav-links a:hover, .mobile-nav-links a.active {
    background: var(--bg-input);
    color: var(--accent);
}

/* Mobile Quick Settings & Drawer Actions */
.mobile-quick-actions {
    margin-bottom: 0.5rem;
}

.mobile-nav-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
    background: transparent;
    border: 1px solid transparent;
    width: 100%;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s ease, color 0.15s ease;
    box-sizing: border-box;
}

.mobile-nav-btn:hover,
.mobile-nav-btn:active {
    background: var(--bg-input);
    color: var(--accent);
}

.mobile-nav-btn .nav-btn-icon {
    font-size: 1.15rem;
    line-height: 1;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.mobile-nav-btn .nav-btn-text {
    flex: 1;
    font-weight: 500;
}

.mobile-kbd {
    font-size: 0.7rem;
    padding: 2px 6px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: inherit;
}

.mobile-theme-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    margin-top: 0.35rem;
    box-sizing: border-box;
}

.mobile-theme-row .theme-label-box {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.mobile-theme-row .nav-btn-icon {
    font-size: 1.15rem;
    line-height: 1;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.mobile-theme-select {
    width: auto;
    min-width: 125px;
    padding: 0.45rem 0.75rem;
    font-size: 0.9rem;
    cursor: pointer;
}

.mobile-nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 1.25rem 0 0.5rem;
}

/* ==========================================================================
   Countdown Thematic Custom Modules
   ========================================================================== */
.countdown-theme-module {
    width: 100%;
}

.theme-card {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    padding: 1.75rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.theme-inner-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 1.35rem;
}

.theme-sec-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.35rem;
}

.theme-sec-subtitle {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.theme-sec-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
}

/* Wedding Hero Banner & Color Themes */
.wedding-hero-banner {
    border-radius: var(--radius-lg);
    padding: 3rem 1.5rem;
    text-align: center;
    color: #fff;
    margin-bottom: 1.75rem;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    transition: all 0.3s ease;
}

.wedding-hero-banner.theme-blush {
    background: linear-gradient(135deg, #f472b6, #ec4899, #be185d);
}

.wedding-hero-banner.theme-garden {
    background: linear-gradient(135deg, #059669, #10b981, #047857);
}

.wedding-hero-banner.theme-sunset {
    background: linear-gradient(135deg, #f97316, #fb923c, #c2410c);
}

.wedding-hero-banner.theme-champagne {
    background: linear-gradient(135deg, #d97706, #f59e0b, #b45309);
}

.wedding-hero-banner.theme-custom {
    background-color: #1e293b;
}

.wedding-ring-emblem {
    font-size: 2.2rem;
    margin-bottom: 0.25rem;
}

.wedding-subtitle {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    font-weight: 700;
    opacity: 0.9;
    text-transform: uppercase;
}

.wedding-couple-heading {
    font-family: Georgia, serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin: 0.5rem 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.wedding-date-tag {
    font-size: 0.95rem;
    opacity: 0.92;
    margin-bottom: 1rem;
}

.wedding-venue-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Theme Pills Selector */
.theme-pills-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.theme-pill-btn {
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-pill-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.theme-pill-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Timeline Components */
.theme-timeline {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.theme-timeline-item {
    display: flex;
    gap: 0.85rem;
    align-items: flex-start;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--border-color);
}

.theme-timeline-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.timeline-time {
    background: var(--bg-input);
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
}

.timeline-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Interactive Checklists */
.theme-checklist {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.theme-check-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 0.6rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.15s ease;
}

.theme-check-item:hover {
    background: var(--bg-input);
}

.theme-check-item input[type="checkbox"] {
    width: 17px;
    height: 17px;
    cursor: pointer;
    accent-color: var(--accent);
}

.theme-check-item input[type="checkbox"]:checked + span {
    text-decoration: line-through;
    opacity: 0.65;
}

.theme-feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 25-Day Advent Grid */
.advent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
    gap: 6px;
}

.advent-box {
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.15s ease, background 0.15s ease;
    padding: 2px;
}

.advent-box:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

.advent-box.today-highlight {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    animation: pulseGlow 1.5s infinite alternate;
}

.advent-box.opened {
    background: rgba(34, 197, 94, 0.15);
    border-color: var(--success);
}

.advent-num {
    font-size: 0.85rem;
    line-height: 1;
}

.advent-icon {
    font-size: 0.75rem;
    margin-top: 2px;
}

@keyframes pulseGlow {
    from { box-shadow: 0 0 4px var(--accent); }
    to { box-shadow: 0 0 14px var(--accent); }
}

/* Tool Guide Article / Text Content Area */
.tool-guide-card {
    max-width: 860px;
    margin: 3.5rem auto 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2.25rem;
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(12px);
    line-height: 1.75;
    color: var(--text-secondary);
    font-size: 0.96rem;
    box-sizing: border-box;
}

.tool-guide-card h2 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.85rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tool-guide-card h2:first-of-type {
    margin-top: 0;
}

.tool-guide-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 1.5rem;
    margin-bottom: 0.6rem;
}

.tool-guide-card p {
    margin-bottom: 1.15rem;
}

.tool-guide-card ul, .tool-guide-card ol {
    margin-top: 0.5rem;
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.tool-guide-card li {
    margin-bottom: 0.5rem;
    line-height: 1.65;
}

.tool-guide-card strong {
    color: var(--text-primary);
}

.tool-guide-card .guide-callout {
    background: var(--bg-surface);
    border-left: 4px solid var(--accent);
    padding: 1.1rem 1.25rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1.5rem 0;
    font-size: 0.93rem;
    color: var(--text-primary);
}

.tool-guide-card .guide-callout p:last-child {
    margin-bottom: 0;
}

.tool-guide-card table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.92rem;
}

.tool-guide-card th, .tool-guide-card td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.tool-guide-card th {
    background: var(--bg-surface);
    color: var(--text-primary);
    font-weight: 600;
}

.tool-guide-card .guide-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin: 1.5rem 0;
}

@media (max-width: 768px) {
    .tool-guide-card {
        padding: 1.75rem 1.25rem;
        margin-top: 2.5rem;
    }
    .tool-guide-card .guide-grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .tool-guide-card {
        padding: 1.25rem 0.85rem;
        border-radius: var(--radius-lg);
    }
}

/* =========================================================================
   Universal Continuous Alarm Modal
   ========================================================================= */
.alarm-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    animation: alarmFadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes alarmFadeIn {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes alarmPulseRing {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.75); }
    70% { box-shadow: 0 0 0 30px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes alarmBellWiggle {
    0%, 100% { transform: rotate(0); }
    15% { transform: rotate(18deg) scale(1.1); }
    30% { transform: rotate(-18deg) scale(1.1); }
    45% { transform: rotate(14deg); }
    60% { transform: rotate(-14deg); }
    75% { transform: rotate(8deg); }
}

.alarm-modal-card {
    background: var(--bg-surface);
    border: 2px solid var(--danger);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8), 0 0 35px rgba(239, 68, 68, 0.45);
    padding: 2.75rem 2.25rem;
    max-width: 480px;
    width: 100%;
    text-align: center;
    color: var(--text-primary);
    position: relative;
    animation: alarmPulseRing 1.4s infinite;
}

.alarm-modal-icon {
    font-size: 4.5rem;
    line-height: 1;
    margin-bottom: 1.25rem;
    display: inline-block;
    animation: alarmBellWiggle 0.9s ease-in-out infinite;
}

.alarm-modal-title {
    font-size: 1.85rem;
    font-weight: 900;
    color: var(--danger);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.alarm-modal-msg {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.alarm-dismiss-btn {
    background: var(--danger);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-pill);
    padding: 1.1rem 2.5rem;
    font-size: 1.3rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 25px rgba(239, 68, 68, 0.5);
    transition: transform 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
    width: 100%;
    max-width: 320px;
    outline: none;
}

.alarm-dismiss-btn:hover {
    transform: translateY(-2px);
    background: #dc2626;
    box-shadow: 0 12px 32px rgba(239, 68, 68, 0.75);
}

.alarm-dismiss-btn:active {
    transform: translateY(1px);
}

@media print {
    .no-print,
    .print-hidden {
        display: none !important;
    }
}