/* === CSS Custom Properties (Dark Theme Default) === */
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1c2333;
    --bg-card-hover: #222d3f;
    --border-color: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-blue: #58a6ff;
    --accent-purple: #bc8cff;
    --accent-yellow: #d29922;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --card-radius: 12px;
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Light theme */
[data-bs-theme="light"] {
    --bg-primary: #f6f8fa;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f3f4f6;
    --border-color: #d0d7de;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8b949e;
    --shadow-card: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* === Base === */
body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    margin: 0;
    min-height: 100vh;
}

/* === Top Navbar === */
.navbar.bg-dark-custom {
    background-color: var(--bg-secondary) !important;
}

.text-primary-accent {
    color: var(--accent-blue);
}

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

.domain-for-sale-link {
    background: linear-gradient(90deg, #f85149, #f0883e);
    color: #fff !important;
    padding: 6px 14px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.5px;
    animation: pulse-sale 2s ease-in-out infinite;
}

.domain-for-sale-link:hover {
    background: linear-gradient(90deg, #f0883e, #f85149);
    transform: scale(1.05);
}

@keyframes pulse-sale {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.85; }
}

#api-status {
    font-size: 0.75rem;
}

/* === Price Ticker Bar === */
.ticker-bar {
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 10px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    overflow-x: auto;
    white-space: nowrap;
    font-size: 0.85rem;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.ticker-bar::-webkit-scrollbar {
    height: 4px;
}

.ticker-bar::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.ticker-symbol {
    font-weight: 600;
    color: var(--text-primary);
}

.ticker-price {
    font-family: var(--font-mono);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.ticker-change {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
}

.ticker-change.positive {
    color: var(--accent-green);
}

.ticker-change.negative {
    color: var(--accent-red);
}

/* === Dashboard Main === */
.dashboard-main {
    padding: 0;
}

/* === Dashboard Grid === */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 20px 24px;
    max-width: 1600px;
    margin: 0 auto;
}

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

@media (max-width: 768px) {
    .dashboard-grid {
        padding: 12px;
        gap: 12px;
    }
}

/* === Cards === */
.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.dashboard-card:hover {
    border-color: var(--accent-blue);
}

.card-header-custom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 8px;
}

.card-header-custom h3 {
    font-size: 0.85rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.6px;
}

.card-header-custom h3 i {
    margin-right: 8px;
    color: var(--accent-blue);
}

.card-body-custom {
    padding: 20px;
}

/* === Gas Tracker === */
.gas-prices {
    display: flex;
    gap: 12px;
    justify-content: space-around;
}

.gas-tier {
    text-align: center;
    padding: 16px 12px;
    border-radius: 8px;
    background: var(--bg-secondary);
    flex: 1;
    border: 1px solid var(--border-color);
    transition: border-color 0.2s;
}

.gas-tier:hover {
    border-color: var(--accent-blue);
}

.gas-tier .gas-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.gas-tier .gas-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-blue);
    line-height: 1.2;
}

.gas-tier .gas-unit {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}

#gas-slow .gas-value {
    color: var(--accent-green);
}

#gas-fast .gas-value {
    color: var(--accent-yellow);
}

/* L2 Gas Table */
.l2-gas-comparison h6 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.table-dark-custom {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-border-color: var(--border-color);
    font-size: 0.85rem;
    margin-bottom: 0;
}

.table-dark-custom thead th {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
    padding: 8px 12px;
}

.table-dark-custom tbody td {
    padding: 8px 12px;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

.table-dark-custom tbody tr:last-child td {
    border-bottom: none;
}

/* === Network Stats === */
.chain-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.chain-stat-mini {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px;
    transition: border-color 0.2s;
}

.chain-stat-mini:hover {
    border-color: var(--accent-blue);
}

.chain-stat-mini .chain-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.stat-value {
    font-size: 0.82rem;
    color: var(--text-primary);
}

/* === Chart === */
.chart-card {
    grid-column: 1 / -1;
}

.chart-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.chart-controls .form-select-sm {
    width: auto;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
    font-size: 0.8rem;
}

.chart-controls .btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    padding: 4px 10px;
}

.chart-controls .btn-outline-secondary:hover,
.chart-controls .btn-outline-secondary.active {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.chart-card .card-body-custom {
    padding: 12px 16px 16px;
}

#price-chart {
    width: 100% !important;
    max-height: 320px;
}

/* === Market Table === */
#market-section {
    grid-column: 1 / -1;
}

#market-table {
    width: 100%;
}

#market-table .sparkline {
    display: block;
}

/* === Live Feed === */
.feed-tabs .btn {
    font-size: 0.75rem;
    padding: 3px 10px;
}

.feed-tabs .btn.active {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #fff;
}

.live-feed-scroll {
    max-height: 420px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.live-feed-scroll::-webkit-scrollbar {
    width: 4px;
}

.live-feed-scroll::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.feed-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    animation: fadeInSlide 0.3s ease-out;
}

.feed-item:last-child {
    border-bottom: none;
}

.feed-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--accent-blue);
    font-size: 0.85rem;
    flex-shrink: 0;
}

.feed-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.feed-content span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.feed-time {
    flex-shrink: 0;
    font-size: 0.75rem;
}

.whale-item .feed-icon {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-yellow);
}

.whale-value {
    font-weight: 600;
    color: var(--accent-yellow);
}

@keyframes fadeInSlide {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === DeFi Overview === */
.defi-tvl-summary {
    text-align: center;
    padding: 16px 0;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.tvl-label {
    display: block;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.tvl-value {
    font-size: 1.6rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-green);
}

.protocol-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.protocol-row:last-child {
    border-bottom: none;
}

.protocol-rank {
    width: 24px;
    text-align: center;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.protocol-name {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
}

.protocol-category {
    font-size: 0.68rem;
    padding: 2px 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.protocol-tvl {
    font-weight: 500;
    color: var(--text-primary);
    min-width: 80px;
    text-align: right;
}

/* === Footer === */
.dashboard-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-size: 0.75rem;
    color: var(--text-muted);
}

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

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

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

.font-mono {
    font-family: var(--font-mono) !important;
}

/* === Skeleton Loading === */
.skeleton {
    background: linear-gradient(90deg,
        var(--bg-secondary) 25%,
        var(--bg-card-hover) 50%,
        var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
    height: 20px;
}

.skeleton-sm {
    height: 14px;
    width: 60px;
    display: inline-block;
}

.skeleton-lg {
    height: 40px;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* === Update Indicator === */
.update-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    display: inline-block;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
}

/* === Fear & Greed Gauge === */
#fear-greed-gauge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0;
}

.fg-gauge-svg {
    width: 180px;
    height: 110px;
}

.fg-value {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
}

.fg-classification {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === Trending Coins === */
.trending-list {
    max-height: 320px;
    overflow-y: auto;
}

.trending-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.trending-item:last-child {
    border-bottom: none;
}

.trending-rank {
    width: 20px;
    text-align: center;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.trending-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.trending-name {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}

.trending-symbol {
    font-weight: 600;
    font-size: 0.9rem;
}

.trending-mcap {
    font-size: 0.75rem;
}

#trending-search {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

/* === Crypto Converter === */
.converter-form {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.converter-form input,
.converter-form select {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.converter-form input {
    width: 100px;
    text-align: center;
}

.converter-form select {
    width: auto;
}

.converter-swap {
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.converter-swap:hover {
    background-color: var(--bg-secondary);
}

.converter-arrow {
    color: var(--text-muted);
}

#convert-result {
    margin-top: 20px;
    text-align: center;
    font-size: 1.6rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--accent-blue);
}

/* === DeFi Yields === */
.yield-pools-list {
    max-height: 350px;
    overflow-y: auto;
}

.yield-row {
    display: grid;
    grid-template-columns: 1fr 1fr 70px 70px 90px;
    gap: 8px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.85rem;
    align-items: center;
}

.yield-row:last-child {
    border-bottom: none;
}

.yield-project {
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.yield-symbol {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.yield-chain {
    font-size: 0.7rem;
    padding: 2px 6px;
    background: var(--bg-secondary);
    border-radius: 4px;
    text-align: center;
    text-transform: capitalize;
}

.yield-apy {
    font-weight: 600;
    text-align: right;
}

.yield-tvl {
    text-align: right;
    color: var(--text-secondary);
}

/* === Portfolio Tracker === */
#portfolio-section {
    grid-column: 1 / -1;
}

.portfolio-summary {
    display: flex;
    gap: 40px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.portfolio-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.portfolio-stat .stat-label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.portfolio-stat .stat-value {
    font-size: 1.3rem;
    font-weight: 600;
}

#portfolio-table {
    width: 100%;
}

/* === Portfolio Modal === */
.portfolio-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.portfolio-modal.show {
    display: flex;
}

.portfolio-modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    padding: 24px;
    width: 90%;
    max-width: 400px;
}

.portfolio-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.portfolio-modal-header h4 {
    margin: 0;
    font-size: 1.1rem;
}

.portfolio-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
}

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

.portfolio-form-group {
    margin-bottom: 16px;
}

.portfolio-form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.portfolio-form-group input,
.portfolio-form-group select {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    color: var(--text-primary);
}

.portfolio-form-group input:focus,
.portfolio-form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.portfolio-modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

/* === Sparklines === */
.sparkline-cell {
    width: 80px;
    padding: 4px !important;
}

.sparkline-canvas {
    width: 80px;
    height: 24px;
    display: block;
}

/* === Sortable Table Headers === */
.sortable-header {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.sortable-header:hover {
    color: var(--accent-blue);
}

.sortable-header .sort-icon {
    margin-left: 4px;
    font-size: 0.7rem;
    opacity: 0.4;
}

.sortable-header.sort-asc .sort-icon,
.sortable-header.sort-desc .sort-icon {
    opacity: 1;
    color: var(--accent-blue);
}

/* === Responsive Adjustments === */
@media (max-width: 576px) {
    .gas-prices {
        flex-direction: column;
        gap: 8px;
    }

    .gas-tier .gas-value {
        font-size: 1.4rem;
    }

    .chain-stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .chart-controls {
        flex-wrap: wrap;
    }

    .ticker-bar {
        gap: 16px;
        padding: 8px 16px;
    }

    .card-header-custom {
        padding: 12px 16px;
    }

    .card-body-custom {
        padding: 14px 16px;
    }
}