/* =========================================
   TradeDecks Dashboard Styles
   Modern, Dark, Glassy Aesthetics for Options Traders
   ========================================= */

:root {
    /* Color Palette */
    --bg-main: #0b0e14;
    --bg-card: #151b27;
    --bg-sidebar: #0f131a;

    --text-primary: #f8f9fa;
    --text-secondary: #a0aec0;
    --text-muted: #4a5568;

    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-cyan: #06b6d4;

    --color-green: #10b981;
    --color-green-soft: rgba(16, 185, 129, 0.15);
    --color-red: #ef4444;
    --color-red-soft: rgba(239, 68, 68, 0.15);
    --color-warning: #f59e0b;
    --color-warning-soft: rgba(245, 158, 11, 0.15);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-highlight: rgba(255, 255, 255, 0.15);

    /* Shadows & Effects */
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glow-primary: 0 0 20px rgba(59, 130, 246, 0.4);

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
}

/* Utilities */
.text-green {
    color: var(--color-green) !important;
}

.text-red {
    color: var(--color-red) !important;
}

.text-warning {
    color: var(--color-warning) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-white {
    color: var(--text-primary) !important;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.mt-2 {
    margin-top: 0.5rem;
}

.mt-4 {
    margin-top: 1rem;
}

.mx-2 {
    margin-left: 2rem;
    margin-right: 2rem;
}

/* Tab System */
.tab-content {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

.tab-content.hidden {
    display: none;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Page Headers */
.page-header {
    padding: 2rem 2rem 1rem 2rem;
}

.page-header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    background: linear-gradient(90deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.controls-bar {
    padding: 0 2rem 1rem 2rem;
    display: flex;
    justify-content: flex-start;
    gap: 1.5rem;
    align-items: center;
}

.full-page-card {
    margin: 0 2rem 2rem 2rem;
    height: calc(100vh - 220px);
}


/* App Layout */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    z-index: 10;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.logo-icon {
    font-size: 1.8rem;
    color: var(--accent-cyan);
    filter: drop-shadow(0 0 8px var(--accent-cyan));
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.8rem 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

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

.nav-item.active {
    color: var(--text-primary);
    background-color: rgba(59, 130, 246, 0.1);
    border-left: 3px solid var(--accent-blue);
}

.sidebar-bottom {
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 1rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s;
}

.user-profile:hover {
    background: rgba(255, 255, 255, 0.08);
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.user-status {
    font-size: 0.75rem;
    color: var(--accent-cyan);
}


/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: radial-gradient(circle at top right, #1a2035, var(--bg-main) 40%);
}

/* Header */
.top-header {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: rgba(11, 14, 20, 0.8);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 20;
}

.search-bar {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0.5rem 1rem;
    width: 300px;
    transition: all 0.3s;
}

.search-bar:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
}

.search-bar i {
    color: var(--text-secondary);
    margin-right: 10px;
}

.search-bar input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    outline: none;
    width: 100%;
}

/* Marquee Ticker Bar */
.marquee-bar {
    width: 100%;
    overflow: hidden;
    background: linear-gradient(90deg, rgba(15, 19, 26, 0.98), rgba(21, 27, 39, 0.98), rgba(15, 19, 26, 0.98));
    border-bottom: 1px solid var(--border-color);
    padding: 0.65rem 0;
    flex-shrink: 0;
}

.marquee-track {
    display: flex;
    gap: 2.5rem;
    width: max-content;
    animation: marquee-scroll 35s linear infinite;
}

.marquee-track:hover {
    animation-play-state: paused;
}

@keyframes marquee-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.marquee-item {
    display: flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    padding: 0.2rem 0;
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    padding-right: 2.5rem;
}

.marquee-item .m-symbol {
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--text-primary);
    letter-spacing: 0.5px;
}

.marquee-item .m-price {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.marquee-item .m-change {
    font-size: 0.78rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 3px;
}

.marquee-item .m-change.up {
    color: var(--color-green);
}

.marquee-item .m-change.down {
    color: var(--color-red);
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.action-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.2s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.5);
}

.btn-sm {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-sm:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
}

.btn-icon:hover {
    color: var(--color-red);
}

/* Dashboard Grid */
.dashboard-grid {
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 1.5rem;
    grid-auto-rows: minmax(200px, auto);
}

.col-span-2 {
    grid-column: span 2;
}

.col-span-3 {
    grid-column: span 3;
}

.row-span-2 {
    grid-row: span 2;
}

/* Cards */
.card {
    background: rgba(21, 27, 39, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    border-color: var(--border-highlight);
}

.dashboard-grid .card:hover {
    transform: translateY(-2px);
}

.card-header {
    padding: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.card-header .highlight {
    color: var(--accent-cyan);
}

.card-body {
    padding: 1.2rem;
    flex: 1;
}

.scrollable {
    overflow-y: auto;
    max-height: 500px;
}

.full-page-card .scrollable {
    max-height: none;
}

/* Controls (Dropdowns, Toggles, Inputs) */
.controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.select-dropdown,
.dropdown-small {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    outline: none;
    font-family: inherit;
    font-size: 0.9rem;
}

.dropdown-small {
    padding: 0.2rem 0.4rem;
    font-size: 0.8rem;
}

.input-small {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.2rem;
    border-radius: 4px;
    width: 50px;
    text-align: center;
}

.strike-input {
    width: 70px;
}

.search-input {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius-sm);
    outline: none;
    width: 100px;
}

.toggle-group {
    display: flex;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.2s;
}

.toggle-btn.active {
    background: var(--border-color);
    color: var(--text-primary);
}

.checkbox-group {
    display: flex;
    gap: 1rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    cursor: pointer;
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    text-align: right;
    padding: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    position: sticky;
    top: 0;
    background: var(--bg-card);
    z-index: 5;
    border-bottom: 1px solid var(--border-color);
}

.data-table th.table-group-header {
    text-align: center;
    border-bottom: 2px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
    font-weight: 700;
    letter-spacing: 1px;
}

.calls-header {
    color: var(--accent-cyan) !important;
}

.puts-header {
    color: var(--accent-blue) !important;
}

.data-table td {
    text-align: right;
    padding: 0.8rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.strike-col {
    background: rgba(0, 0, 0, 0.1);
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    text-align: center !important;
}

.data-table td.strike-col {
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
    border-left: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.itm-call {
    background: rgba(6, 182, 212, 0.05);
}

.itm-put {
    background: rgba(59, 130, 246, 0.05);
}

/* Strategy Builder */
.strategy-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 1.5rem;
    padding: 0 2rem 2rem 2rem;
}

.leg-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 0, 0, 0.2);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    justify-content: space-between;
}

.premium-text {
    font-size: 0.85rem;
    font-weight: 600;
    width: 50px;
    text-align: right;
}

.strategy-summary {
    background: rgba(255, 255, 255, 0.02);
    padding: 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

/* Payoff Profile Widget */
.badge {
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-strategy {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-green);
    border: 1px solid var(--color-green);
}

.pnl-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-sm);
}

.pnl-stats .stat {
    display: flex;
    flex-direction: column;
}

.pnl-stats .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.pnl-stats .value {
    font-size: 1.1rem;
    font-weight: 700;
}

.chart-container {
    height: 250px;
    width: 100%;
    position: relative;
}

.large-chart {
    height: 400px;
}

/* IV Surface Widget */
.circular-chart {
    display: block;
    margin: 0 auto;
    max-width: 100px;
    max-height: 100px;
}

.circle-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.05);
    stroke-width: 3.8;
}

.circle {
    fill: none;
    stroke-width: 2.8;
    stroke-linecap: round;
    animation: progress 1s ease-out forwards;
    stroke: var(--accent-cyan);
}

@keyframes progress {
    0% {
        stroke-dasharray: 0 100;
    }
}

.iv-circle {
    position: relative;
    width: 100px;
}

.iv-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.iv-value .number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.iv-value .label {
    font-size: 0.6rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.iv-details {
    width: 100%;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.progress-bar {
    height: 6px;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    margin-top: 4px;
    overflow: hidden;
}

.progress-bar .fill {
    height: 100%;
    background: var(--accent-cyan);
    border-radius: 3px;
}

/* Event List */
.events-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.event-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--radius-sm);
    border-left: 3px solid transparent;
}

.event-high {
    border-left-color: var(--color-red);
}

.event-medium {
    border-left-color: var(--color-warning);
}

.event-low {
    border-left-color: var(--text-secondary);
}

.event-time {
    width: 90px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.event-desc {
    flex: 1;
    margin: 0 1rem;
}

.event-desc strong {
    display: block;
    font-size: 0.95rem;
}

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

.event-impact {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
}

.event-high .event-impact {
    background: var(--color-red-soft);
    color: var(--color-red);
}

.event-medium .event-impact {
    background: var(--color-warning-soft);
    color: var(--color-warning);
}


/* Education Hub Video Grid */
.promo-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
}

.promo-icon {
    font-size: 2rem;
    color: var(--accent-blue);
}

.promo-text strong {
    display: block;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.promo-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    padding: 0 2rem 2rem 2rem;
}

.video-card {
    background: rgba(21, 27, 39, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform 0.2s, border-color 0.2s;
    cursor: pointer;
}

.video-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
}

.video-thumbnail {
    width: 100%;
    height: 180px;
    background: linear-gradient(45deg, #1a2035, #222b42);
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.video-thumbnail i {
    font-size: 3.5rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s, transform 0.2s;
}

.video-card:hover .video-thumbnail i {
    color: var(--accent-cyan);
    transform: scale(1.1);
}

.vid-duration {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.8);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.video-info {
    padding: 1.2rem;
}

.vid-category {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent-blue);
    font-weight: 700;
    margin-bottom: 6px;
    display: inline-block;
}

.video-info h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.video-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

/* Scrollbar formatting */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Responsiveness */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: 1fr 1fr;
    }

    .col-span-3 {
        grid-column: span 2;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .promo-box {
        width: 100%;
        justify-content: space-between;
    }

    .strategy-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .col-span-2,
    .col-span-3 {
        grid-column: span 1;
    }

    .sidebar {
        width: 80px;
    }

    .logo-text,
    .nav-item span {
        display: none;
    }

    .nav-item i {
        margin: 0 auto;
        font-size: 1.4rem;
        width: auto;
    }
}

/* --- Landing Page (Dashboard) Styles --- */
.landing-page-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.w-100 {
    width: 100%;
}

.hero-section {
    padding: 3rem 0 1rem;
}

.hero-headline {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, #a0aec0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subheadline {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem auto;
    line-height: 1.6;
}

.hero-hook {
    max-width: 600px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    background: rgba(30, 41, 59, 0.4);
    box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
}

.hero-hook h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.authority-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.authority-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.authority-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.authority-content p strong {
    color: var(--text-main);
}

.authority-visual {
    display: flex;
    justify-content: center;
}

.book-mockup {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    transform: perspective(1000px) rotateY(-15deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.book-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.shadow-lg {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

.content-hub-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.content-hub-section p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.social-links-grid {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 500px;
    margin: 2rem auto 0;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    color: #fff;
    transition: all 0.2s ease;
}

.social-btn i {
    font-size: 1.4rem;
}

.btn-youtube {
    background-color: rgb(220, 38, 38);
}

.btn-youtube:hover {
    background-color: rgb(185, 28, 28);
    transform: translateY(-2px);
}

.btn-instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.btn-instagram:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.btn-tiktok {
    background-color: #000;
    border: 1px solid #333;
}

.btn-tiktok:hover {
    background-color: #111;
    border-color: #444;
    transform: translateY(-2px);
}

.landing-footer {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

/* --- Mobile Responsiveness --- */
@media (max-width: 768px) {

    /* Main Layout */
    .app-container {
        flex-direction: column;
    }

    .main-content {
        padding-bottom: 70px;
        /* Space for bottom nav */
    }

    /* Fixed Bottom Navigation */
    .sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 65px;
        flex-direction: row;
        padding: 0;
        background: rgba(11, 14, 20, 0.95);
        backdrop-filter: blur(15px);
        border-right: none;
        border-top: 1px solid var(--border-color);
        z-index: 1000;
    }

    .brand,
    .sidebar-bottom {
        display: none !important;
    }

    .nav-menu {
        flex-direction: row;
        justify-content: space-around;
        align-items: center;
        width: 100%;
        gap: 0;
    }

    .nav-item {
        flex: 1;
        justify-content: center;
        padding: 0.8rem 0;
        border-radius: 0;
        color: var(--text-secondary);
        font-size: 1.5rem;
        /* Make icons larger */
        transition: color 0.2s;
    }

    /* Hide the text labels on mobile */
    .nav-item span {
        display: none !important;
    }

    .nav-item i {
        font-size: 1.4rem;
        margin: 0;
    }

    .nav-item.active {
        background-color: transparent;
        border-left: none;
        border-top: 3px solid var(--accent-blue);
        color: var(--accent-blue);
    }

    /* Top Header Adjustments */
    .top-header {
        padding: 1rem;
        flex-direction: row;
        justify-content: space-between;
        gap: 10px;
    }

    .market-ticker {
        display: none;
        /* Hide ticker on small screens */
    }

    .search-bar {
        width: 100%;
        /* Take remaining space */
    }

    .header-actions .btn-primary {
        display: none;
        /* Hide 'Trade Now' button to save space */
    }

    /* Page Headers */
    .page-header {
        padding: 1.5rem 1rem 1rem 1rem;
    }

    .page-header h1 {
        font-size: 1.4rem;
    }

    .controls-bar {
        padding: 0 1rem 1rem 1rem;
        flex-wrap: wrap;
        /* Allow wrapping */
        gap: 0.8rem;
    }

    .full-page-card {
        margin: 0 1rem 2rem 1rem;
        height: auto;
    }

    /* Landing Page Adjustments */
    .landing-page-container {
        padding: 1rem;
        gap: 3rem;
    }

    .hero-headline {
        font-size: 2.5rem;
    }

    .hero-subheadline {
        font-size: 1.1rem;
    }

    .authority-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1.5rem;
    }

    .authority-content h2 {
        font-size: 2rem;
        text-align: center;
    }

    .authority-content p {
        text-align: center;
    }

    /* Tables */
    .card-body.scrollable {
        padding: 0;
        overflow-x: auto;
    }

    .data-table {
        min-width: 800px;
        /* Force table wide to allow scrolling */
    }

    /* Education Hub */
    .promo-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1.5rem;
    }

    .video-grid {
        padding: 0 1rem 2rem 1rem;
        grid-template-columns: 1fr;
    }
}