:root {
    /* Dark Theme (Default) */
    --bg-primary: #090d16;
    --bg-secondary: #101626;
    --bg-tertiary: #1b2336;
    --bg-sidebar: rgba(16, 22, 38, 0.85);
    --bg-header: rgba(16, 22, 38, 0.95);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-heading: #ffcc00;
    --primary-color: #00e5ff;
    --primary-glow: rgba(0, 229, 255, 0.35);
    --secondary-color: #3b82f6;
    --secondary-glow: rgba(59, 130, 246, 0.25);
    --accent-color: #10b981;
    --border-color: rgba(0, 229, 255, 0.12);
    --border-hover: rgba(0, 229, 255, 0.3);
    --sidebar-width: 280px;
    --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.5), 0 2px 8px -1px rgba(0, 229, 255, 0.05);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition-speed: 0.25s;
    --grid-opacity: 0.03;
}

.light-theme {
    /* Light Theme */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-sidebar: rgba(255, 255, 255, 0.95);
    --bg-header: rgba(255, 255, 255, 0.95);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-heading: #b45309;
    --primary-color: #2563eb;
    --primary-glow: rgba(37, 99, 235, 0.2);
    --secondary-color: #0284c7;
    --secondary-glow: rgba(2, 132, 199, 0.15);
    --accent-color: #059669;
    --border-color: rgba(37, 99, 235, 0.12);
    --border-hover: rgba(37, 99, 235, 0.3);
    --card-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08), 0 2px 8px -1px rgba(37, 99, 235, 0.04);
    --grid-opacity: 0.015;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-secondary);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    /* CAD Grid Background */
    background-image: 
        linear-gradient(rgba(0, 229, 255, var(--grid-opacity)) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, var(--grid-opacity)) 1px, transparent 1px);
    background-size: 25px 25px;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-right: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-speed), background-color var(--transition-speed);
}

.sidebar-header {
    padding: 24px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img-file {
    height: 36px;
    width: auto;
    max-width: 44px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: 1px;
}

.accent-text {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-glow);
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Search Box */
.search-box {
    margin: 16px 20px;
    padding: 8px 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 8px var(--primary-glow);
}

.search-icon {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.search-box input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    width: 100%;
    font-size: 0.85rem;
}

.search-box input::placeholder {
    color: var(--text-secondary);
    opacity: 0.85;
}

#clearSearch {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0 4px;
}

.hidden {
    display: none !important;
}

/* Navigation Links */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0 12px 20px 12px;
}

.nav-section-title {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--primary-color);
    margin: 24px 8px 12px 8px;
    letter-spacing: 1.2px;
    text-shadow: 0 0 8px var(--primary-glow);
    border-bottom: 1px solid rgba(0, 229, 255, 0.15);
    padding-bottom: 6px;
}

.nav-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-link {
    display: block;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
    border-radius: 6px;
    transition: all var(--transition-speed);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-link:hover {
    background-color: var(--bg-tertiary);
    color: var(--primary-color);
    padding-left: 16px;
}

.nav-link.active {
    background-color: var(--primary-glow);
    color: var(--primary-color);
    font-weight: 600;
    border-left: 3px solid var(--primary-color);
    padding-left: 15px;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    font-size: 0.75rem;
}

.theme-switch-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.theme-label {
    color: var(--text-secondary);
}

.theme-toggle-btn {
    width: 44px;
    height: 22px;
    border-radius: 11px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    position: relative;
    cursor: pointer;
    outline: none;
    transition: background-color var(--transition-speed);
}

.toggle-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--primary-color);
    box-shadow: 0 0 6px var(--primary-glow);
    position: absolute;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-speed);
}

.dark-theme .theme-toggle-btn {
    background-color: rgba(0, 229, 255, 0.1);
}

.dark-theme .toggle-thumb {
    transform: translateX(22px);
}

.footer-credit {
    color: var(--text-muted);
    font-size: 0.65rem;
}

/* Menu Toggle Button for Mobile */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle .bar {
    width: 20px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-speed);
}

/* Main Content Area */
.content-area {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 40px;
    max-width: 100%;
    width: calc(100% - var(--sidebar-width));
    transition: margin var(--transition-speed), width var(--transition-speed);
}

/* Content Sections */
.content-section {
    display: none;
    animation: fadeIn 0.4s ease-out forwards;
}

.content-section.active-section {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.section-header {
    margin-bottom: 30px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-heading);
    position: relative;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin-top: 10px;
    border-radius: 2px;
    box-shadow: 0 0 10px var(--primary-glow);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: 10px;
}

/* Cards & Layout */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 8px 30px -4px rgba(0, 0, 0, 0.6), 0 4px 12px -2px rgba(0, 229, 255, 0.08);
}

.card h2, .card h3 {
    font-family: var(--font-heading);
    margin-bottom: 16px;
    color: var(--text-heading);
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.card ul {
    margin-left: 20px;
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.margin-top {
    margin-top: 24px;
}

/* Hero Section */
.hero-card {
    background: radial-gradient(circle at top right, rgba(0, 229, 255, 0.08), transparent 60%), var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

.hero-badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(0, 229, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    box-shadow: 0 0 8px rgba(0, 229, 255, 0.1);
}

.hero-card h1 {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--text-heading);
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: 30px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
}

.feature-icon {
    font-size: 1.1rem;
}

/* Shortcuts Grid */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.shortcut-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.shortcut-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px -3px var(--primary-glow);
    transform: translateY(-2px);
}

.shortcut-key-badge {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-hover);
    color: var(--primary-color);
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
    text-shadow: 0 0 6px var(--primary-glow);
}

.shortcut-card:hover .shortcut-key-badge {
    background-color: var(--primary-color);
    color: var(--bg-secondary);
    text-shadow: none;
    box-shadow: 0 0 8px var(--primary-glow);
}

.shortcut-details {
    flex: 1;
}

.shortcut-details h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.shortcut-details p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

.shortcut-actions {
    opacity: 0.3;
    transition: opacity var(--transition-speed);
}

.shortcut-card:hover .shortcut-actions {
    opacity: 1;
}

.action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    padding: 4px;
}

.action-btn:hover {
    color: var(--primary-color);
}

/* Mouse Row */
.mouse-interactive-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.mouse-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.mouse-icon-wrapper {
    margin-bottom: 20px;
}

.mouse-svg-container {
    width: 100px;
    height: 150px;
    color: var(--text-secondary);
    transition: color var(--transition-speed);
}

.mouse-svg-container.left-active .mouse-left-click {
    animation: pulseGlow 1.5s infinite;
}

.mouse-svg-container.right-active .mouse-right-click {
    animation: pulseGlow 1.5s infinite;
}

@keyframes pulseGlow {
    0% { opacity: 0.5; filter: drop-shadow(0 0 2px var(--primary-color)); }
    50% { opacity: 1; filter: drop-shadow(0 0 10px var(--primary-color)); }
    100% { opacity: 0.5; filter: drop-shadow(0 0 2px var(--primary-color)); }
}

.mouse-desc {
    text-align: left;
    width: 100%;
}

.mouse-desc ul {
    list-style: none;
    margin: 0;
}

.mouse-desc li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    position: relative;
    padding-left: 16px;
}

.mouse-desc li::before {
    content: '▪';
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* Clock Visualization */
.clock-visualization {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
    padding: 20px 0;
}

.clock-dial {
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 3px solid var(--border-hover);
    position: relative;
    box-shadow: inset 0 4px 15px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 229, 255, 0.05);
}

.clock-center {
    width: 50px;
    height: 50px;
    background-color: var(--bg-secondary);
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
}

.clock-hand {
    width: 4px;
    height: 100px;
    background-color: var(--primary-color);
    box-shadow: 0 0 8px var(--primary-glow);
    position: absolute;
    bottom: 50%;
    left: calc(50% - 2px);
    transform-origin: bottom center;
    transform: rotate(0deg);
    z-index: 4;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.clock-hour {
    position: absolute;
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    cursor: pointer;
    z-index: 6;
    transition: all var(--transition-speed);
}

.clock-hour span {
    font-weight: 700;
    color: var(--text-primary);
}

.clock-hour small {
    display: none; /* Hide detailed labels in clock dial */
}

.clock-hour:hover span, .clock-hour.highlighted span {
    color: var(--primary-color);
    text-shadow: 0 0 8px var(--primary-glow);
    transform: scale(1.2);
}

/* Positioning Clock Hours */
.h12 { top: 10px; left: calc(50% - 20px); }
.h1  { top: 25px; right: 65px; }
.h2  { top: 65px; right: 25px; }
.h3  { top: calc(50% - 20px); right: 10px; }
.h4  { bottom: 65px; right: 25px; }
.h5  { bottom: 25px; right: 65px; }
.h6  { bottom: 10px; left: calc(50% - 20px); }
.h7  { bottom: 25px; left: 65px; }
.h8  { bottom: 65px; left: 25px; }
.h9  { top: calc(50% - 20px); left: 10px; }
.h10 { top: 65px; left: 25px; }
.h11 { top: 25px; left: 65px; }

.clock-info-panel {
    flex: 1;
    min-width: 280px;
    max-width: 400px;
}

#clockCommandName {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

#clockCommandDesc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.clock-mouse-helper {
    padding: 12px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.8rem;
}

.clock-mouse-helper ul {
    margin-left: 16px;
    margin-top: 6px;
}

/* Tutorials Content */
.tutorial-section {
    margin-bottom: 40px;
}

.tutorial-content {
    margin-top: 15px;
}

.tutorial-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
    text-align: justify;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.tutorial-text.list-item {
    padding-left: 12px;
    margin-bottom: 8px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.screenshot-container {
    margin: 24px auto;
    text-align: center;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: #000;
    display: block;
    width: 100%;
    max-width: 1000px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.tutorial-img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    cursor: zoom-in;
    transition: transform 0.3s;
}

.tutorial-img:hover {
    transform: scale(1.015);
}

/* Settings Tabs */
.settings-tabs-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.settings-tab-headers {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.tab-btn {
    padding: 8px 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    transition: all var(--transition-speed);
}

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

.tab-btn.active {
    background-color: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
}

.settings-tab-contents {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    box-shadow: var(--card-shadow);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

/* Settings Table */
.settings-table, .layer-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    text-align: left;
}

.settings-table th, .settings-table td,
.layer-table th, .layer-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.settings-table th, .layer-table th {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
    background-color: var(--bg-tertiary);
}

.settings-table tr:hover, .layer-table tr:hover {
    background-color: rgba(0, 229, 255, 0.02);
}

.setting-option-name {
    width: 35%;
    color: var(--text-primary);
}

.setting-option-desc {
    color: var(--text-secondary);
}

/* Layer Layout */
.layer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media(min-width: 992px) {
    .layer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.layer-card {
    display: flex;
    flex-direction: column;
}

.layer-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.layer-badge {
    padding: 2px 8px;
    background-color: var(--secondary-glow);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    font-weight: 700;
}

.layer-table code {
    font-family: var(--font-mono);
    color: var(--primary-color);
    background-color: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* Alert Boxes */
.alert-box {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.85rem;
}

.warning-alert {
    background-color: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

/* Image Zoom Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    padding-top: 40px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(9, 13, 22, 0.95);
    backdrop-filter: blur(8px);
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    box-shadow: 0 0 30px var(--primary-glow);
    animation: zoom 0.3s;
}

@keyframes zoom {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f5f9;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--primary-color);
}

.modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: var(--text-secondary);
    padding: 15px 0;
    font-size: 0.95rem;
}

/* Toast alert for copied shortcuts */
.toast-alert {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background-color: var(--accent-color);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    z-index: 2000;
    animation: slideUp 0.3s ease-out, fadeOut 0.3s ease-in 2s forwards;
}

@keyframes slideUp {
    from { transform: translateY(100px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* Mobile Header Bar */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: var(--bg-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 20px;
    align-items: center;
    justify-content: space-between;
    z-index: 101;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.mobile-header .logo-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mobile-header .logo-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: 0.5px;
}

/* Responsive Table Scroll Container */
.table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

/* Responsive Styles */
@media (max-width: 991px) {
    .mobile-header {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }
    
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 10px 0 30px rgba(0,0,0,0.5);
    }
    
    .content-area {
        margin-left: 0;
        width: 100%;
        padding: 16px;
        margin-top: 60px; /* offset for fixed mobile header */
    }
    
    .hero-card {
        padding: 24px;
    }
    
    .hero-card h1 {
        font-size: 1.85rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }
    
    .mouse-interactive-row {
        grid-template-columns: 1fr;
    }

    .settings-table, .layer-table {
        min-width: 600px; /* force scrollbar rather than squishing content */
    }

    .clock-dial {
        width: 260px;
        height: 260px;
    }

    .clock-hour {
        font-size: 0.7rem;
    }
}

/* Settings Visual Annotations Styles */
.settings-visual-container {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    text-align: center;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
}

.visual-badge {
    display: inline-block;
    padding: 4px 12px;
    background-color: rgba(0, 229, 255, 0.08);
    color: var(--primary-color);
    border: 1px solid var(--border-hover);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    box-shadow: 0 0 8px rgba(0, 229, 255, 0.08);
}

.settings-visual-container .screenshot-container {
    margin: 0 auto;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    max-width: 1000px;
    background-color: #000;
    transition: all var(--transition-speed);
}

.settings-visual-container .screenshot-container:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px var(--primary-glow);
}

.zoomable-settings-img {
    max-width: 100%;
    height: auto;
    display: block;
    cursor: zoom-in;
    transition: transform 0.3s;
}

.visual-tip {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 12px;
    font-style: italic;
}

/* Clock Menu Toggle Styles */
.clock-toggle-bar {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    width: 100%;
}

.clock-toggle-btn {
    padding: 10px 20px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.clock-toggle-btn:hover {
    color: var(--primary-color);
    border-color: var(--border-hover);
}

.clock-toggle-btn.active {
    background-color: var(--primary-color);
    color: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Download Cards Styling */
.download-links-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.download-link-btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-speed);
}

.download-link-btn:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px -3px var(--primary-glow);
    transform: translateY(-2px);
}

.download-link-btn .icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 4px var(--primary-glow));
}

.download-link-btn.software-btn {
    border-color: rgba(16, 185, 129, 0.2);
}

.download-link-btn.software-btn:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 15px -3px rgba(16, 185, 129, 0.25);
}

.download-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.download-info strong {
    font-size: 0.9rem;
    font-weight: 600;
}

.download-info small {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

/* Menu Commands Table/Grid Styling */
.menu-commands-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.menu-group-card {
    padding: 18px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.menu-group-card h4 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-size: 1rem;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 6px;
    text-shadow: 0 0 6px var(--primary-glow);
}

.menu-group-card ul {
    list-style: none;
    margin: 0 !important;
}

.menu-group-card li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    line-height: 1.4;
}

.menu-group-card strong {
    color: var(--text-primary);
}

.margin-bottom-16 {
    margin-bottom: 16px;
}