/* ==================== ROOT VARIABLES ==================== */
:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #12122a;
    --bg-card: #1a1a3e;
    --bg-card-hover: #222255;
    --border-color: #2a2a5a;
    --text-primary: #ffffff;
    --text-secondary: #8a8aaa;
    --text-muted: #5a5a8a;
    --color-buy: #00c851;
    --color-buy-bg: rgba(0, 200, 81, 0.15);
    --color-sell: #ff4444;
    --color-sell-bg: rgba(255, 68, 68, 0.15);
    --color-accent: #6c5ce7;
    --color-accent-hover: #7d6ff5;
    --color-gradient: linear-gradient(135deg, #6c5ce7, #a29bfe);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

/* ==================== RESET & BASE ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--color-accent);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-accent-hover);
}

/* ==================== NAVBAR ==================== */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.8rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--color-accent);
    font-size: 1.8rem;
}

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

.nav-links {
    display: flex;
    gap: 0.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-primary);
    background: var(--bg-card);
}

.nav-links a i {
    margin-right: 0.5rem;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.network-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--bg-card);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.network-badge i {
    font-size: 0.5rem;
    color: #00c851;
}

.wallet-btn {
    background: var(--color-gradient);
    border: none;
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.wallet-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(108, 92, 231, 0.4);
}

.wallet-btn.connected {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
}

.container {
    width: 100%;
}

/* ==================== PAIR INFO ==================== */
.pair-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.pair-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.pair-title h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.token-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-accent);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.8rem;
}

.pair-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    background: rgba(0, 200, 81, 0.15);
    color: #00c851;
}

.pair-status.live i {
    font-size: 0.5rem;
    margin-right: 0.3rem;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.pair-stats {
    display: flex;
    gap: 2rem;
}

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

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-weight: 600;
    font-size: 1rem;
}

.stat-value.price {
    color: var(--color-accent);
}

.stat-value.bid {
    color: var(--color-buy);
}

.stat-value.ask {
    color: var(--color-sell);
}

/* ==================== TRADING GRID ==================== */
.trading-grid {
    display: grid;
    grid-template-columns: 320px 1fr 340px;
    gap: 1rem;
}

/* ==================== PANELS ==================== */
.order-book-panel,
.chart-panel,
.trading-form-panel {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-card);
    flex-shrink: 0;
}

.panel-header h3 {
    font-size: 0.9rem;
    font-weight: 600;
}

.panel-header h3 i {
    margin-right: 0.5rem;
    color: var(--color-accent);
}

.panel-header.mini {
    padding: 0.5rem 1rem;
    border-bottom: none;
}

.panel-header.mini h4 {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.panel-actions {
    display: flex;
    gap: 0.3rem;
}

.btn-sm {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-sm:hover,
.btn-sm.active {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* ==================== ORDER BOOK ==================== */
.order-book {
    padding: 0.5rem 0;
    flex: 1;
    overflow-y: auto;
    max-height: 500px;
}

.order-book-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 0.3rem 1rem;
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.order-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 0.2rem 1rem;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.order-row:hover {
    background: var(--bg-card-hover);
}

.order-row.bid .price {
    color: var(--color-buy);
}

.order-row.ask .price {
    color: var(--color-sell);
}

.order-row .size,
.order-row .total {
    text-align: right;
}

.empty-order {
    padding: 0.5rem 1rem;
}

.spread {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.spread strong {
    color: var(--text-primary);
}

/* ==================== CHART ==================== */
.chart-container {
    flex: 1;
    min-height: 280px;
    padding: 0.5rem;
    position: relative;
}

#chart {
    width: 100%;
    height: 100%;
    min-height: 260px;
}

/* ==================== RECENT TRADES ==================== */
.recent-trades {
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.trades-list {
    max-height: 120px;
    overflow-y: auto;
    padding: 0.2rem 1rem;
}

.trade-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 0.15rem 0;
    font-size: 0.75rem;
}

.trade-row .time {
    color: var(--text-muted);
}

.trade-row .price.trade-buy {
    color: var(--color-buy);
}

.trade-row .price.trade-sell {
    color: var(--color-sell);
}

.trade-row .size {
    text-align: right;
    color: var(--text-secondary);
}

/* ==================== TRADING FORM ==================== */
.trading-form-panel {
    display: flex;
    flex-direction: column;
}

.trade-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.tab-btn {
    padding: 0.6rem;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn.active {
    color: var(--text-primary);
    background: var(--bg-card);
}

.tab-btn.active[data-tab="buy"] {
    border-bottom: 2px solid var(--color-buy);
}

.tab-btn.active[data-tab="sell"] {
    border-bottom: 2px solid var(--color-sell);
}

.trade-form {
    padding: 1rem;
    flex: 1;
    overflow-y: auto;
}

.trade-form.hidden {
    display: none;
}

.form-group {
    margin-bottom: 0.8rem;
}

.form-group label {
    display: block;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.order-type-select {
    display: flex;
    gap: 0.3rem;
}

.type-btn {
    flex: 1;
    padding: 0.3rem;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-muted);
    border-radius: 4px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: var(--transition);
}

.type-btn.active {
    background: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.input-group {
    display: flex;
    gap: 0.3rem;
}

.input-group input {
    flex: 1;
    padding: 0.4rem 0.6rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition);
}

.input-group input:focus {
    border-color: var(--color-accent);
}

.input-group input:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.input-btn {
    padding: 0.4rem 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.7rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.input-btn:hover {
    background: var(--color-accent);
    color: white;
}

.quick-amounts {
    display: flex;
    gap: 0.3rem;
    margin: 0.5rem 0;
}

.quick-amounts button {
    flex: 1;
    padding: 0.2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.65rem;
    cursor: pointer;
    transition: var(--transition);
}

.quick-amounts button:hover {
    background: var(--color-accent);
    color: white;
}

.btn-trade {
    width: 100%;
    padding: 0.7rem;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.btn-trade.buy {
    background: var(--color-buy);
    color: white;
}

.btn-trade.buy:hover {
    background: #00a83e;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 200, 81, 0.3);
}

.btn-trade.sell {
    background: var(--color-sell);
    color: white;
}

.btn-trade.sell:hover {
    background: #dd2222;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(255, 68, 68, 0.3);
}

.form-info {
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.form-info strong {
    color: var(--text-primary);
}

/* ==================== MY ORDERS ==================== */
.my-orders {
    border-top: 1px solid var(--border-color);
    flex-shrink: 0;
}

.orders-list {
    padding: 0.5rem 1rem;
    max-height: 180px;
    overflow-y: auto;
}

.empty-state {
    text-align: center;
    padding: 1.5rem 0;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 2rem;
    opacity: 0.3;
}

.empty-state p {
    font-size: 0.8rem;
    margin-top: 0.3rem;
}

/* ==================== ORDER ITEM ==================== */
.order-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    border-bottom: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: 4px;
    transition: var(--transition);
}

.order-item:hover {
    background: var(--bg-card-hover);
}

.order-item .order-info {
    display: flex;
    gap: 12px;
    align-items: center;
    flex: 1;
}

.order-item .order-side {
    font-weight: 700;
    font-size: 12px;
    min-width: 35px;
}

.order-item .order-side.buy {
    color: var(--color-buy);
}

.order-item .order-side.sell {
    color: var(--color-sell);
}

.order-item .order-price {
    color: white;
    font-size: 13px;
}

.order-item .order-amount {
    color: var(--text-secondary);
    font-size: 12px;
}

.order-item .order-id {
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-primary);
    padding: 2px 8px;
    border-radius: 10px;
}

.order-item .order-cancel {
    background: none;
    border: none;
    color: var(--color-sell);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
}

.order-item .order-cancel:hover {
    background: rgba(255, 68, 68, 0.1);
}

/* ==================== FOOTER ==================== */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 0;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.separator {
    opacity: 0.3;
}

.footer-right {
    display: flex;
    gap: 1rem;
}

.footer-right a {
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-right a:hover {
    color: var(--text-primary);
}

/* ==================== TOAST ==================== */
#toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    width: 100%;
}

.toast {
    background: var(--bg-card);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
}

.toast-success {
    border-left-color: var(--color-buy);
}

.toast-error {
    border-left-color: var(--color-sell);
}

.toast-warning {
    border-left-color: #ffbb33;
}

.toast-info {
    border-left-color: #33b5e5;
}

.toast-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
}

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

    .order-book-panel {
        order: 2;
    }

    .chart-panel {
        order: 1;
    }

    .trading-form-panel {
        order: 3;
    }

    .order-book {
        max-height: 300px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .pair-info {
        flex-direction: column;
        align-items: flex-start;
    }

    .pair-stats {
        flex-wrap: wrap;
        gap: 0.5rem 1.5rem;
    }

    .pair-title h1 {
        font-size: 1.1rem;
    }

    .wallet-btn span {
        display: none;
    }

    .wallet-btn {
        padding: 0.5rem 0.8rem;
    }

    .trading-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .chart-container {
        min-height: 200px;
    }

    #chart {
        min-height: 180px;
    }

    .panel-header {
        flex-wrap: wrap;
        gap: 0.3rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 0.5rem;
    }

    .pair-stats .stat {
        min-width: 80px;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 0.8rem;
    }

    .order-book {
        max-height: 200px;
    }

    .trades-list {
        max-height: 80px;
    }

    .chart-container {
        min-height: 160px;
    }

    #chart {
        min-height: 140px;
    }

    .trade-form {
        padding: 0.8rem;
    }
}

/* ==================== ANIMATIONS ==================== */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

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

/* ==================== LOADING ==================== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-muted);
}

.loading i {
    margin-right: 0.5rem;
    animation: spin 1s linear infinite;
}

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

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

/* ==================== CUSTOM SCROLLBAR FOR CHART ==================== */
.chart-container::-webkit-scrollbar {
    width: 4px;
    height: 4px;
}

.chart-container::-webkit-scrollbar-track {
    background: transparent;
}

.chart-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

/* ==================== TEXT SELECTION ==================== */
::selection {
    background: var(--color-accent);
    color: white;
}

/* ==================== UTILITY CLASSES ==================== */
.hidden {
    display: none !important;
}

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

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

.text-buy {
    color: var(--color-buy);
}

.text-sell {
    color: var(--color-sell);
}

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

.flex {
    display: flex;
}

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

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

.w-full {
    width: 100%;
}

/* ==================== TOKEN LOGO ==================== */
.token-logo {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    vertical-align: middle;
    display: inline-block;
    object-fit: contain;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.token-icon-usdt {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #26a17b, #1a8a6a);
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.8rem;
    color: white;
    vertical-align: middle;
}