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

:root {
    --primary: #13c46b;
    --primary-dark: #0fa455;
    --secondary: #ff6b6b;
    --dark: #0b1226;
    --darker: #071028;
    --light: #f1f3f6;
    --border: #1a2438;
    --text: #ffffff;
    --success: #13c46b;
    --error: #ff6b6b;
    --warning: #ffa500;
    --info: #3498db;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
}

.layout-rtl { direction: rtl; }
.layout-ltr { direction: ltr; }

header.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--darker);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
    gap: 20px;
}

.topbar .brand a {
    color: var(--text);
    text-decoration: none;
    font-weight: bold;
    font-size: 18px;
}

.topbar .brand a:hover {
    color: var(--primary);
}

.topbar .actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.topbar .actions a,
.topbar .actions span {
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.topbar .actions a:hover {
    background: var(--border);
}

.topbar .username {
    font-weight: bold;
    color: var(--primary);
}

.lang-switcher {
    display: flex;
    gap: 8px;
    padding-left: 16px;
    border-left: 1px solid var(--border);
}

.lang-switcher a {
    font-size: 12px !important;
    padding: 4px 8px !important;
}

.lang-switcher a.active {
    color: var(--primary);
    font-weight: bold;
}

main.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px;
}

main.main-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 20px;
    align-items: start;
}

.chart-section {
    background: var(--darker);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.panel,
.form-box,
.wallet-box {
    background: var(--darker);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border);
}

.panel h3,
.form-box h2,
.wallet-box h2 {
    margin-bottom: 16px;
    font-size: 18px;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px;
    margin-top: 4px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: #0a1428;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(19, 196, 107, 0.1);
}

.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 6px;
    background: var(--primary);
    color: #000;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(19, 196, 107, 0.3);
}

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

.btn-secondary:hover {
    background: #2a3548;
}

.btn-primary {
    background: var(--primary);
}

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

.btn-danger:hover {
    background: #ff5252;
}

.btn-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.btn-buy {
    background: var(--success);
    color: #000;
}

.btn-sell {
    background: var(--error);
    color: #fff;
}

.auth-box {
    max-width: 420px;
    margin: 60px auto;
    padding: 30px;
    background: var(--darker);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.auth-box h2 {
    margin-bottom: 24px;
    text-align: center;
}

.auth-box p {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
}

.auth-box p a {
    color: var(--primary);
    text-decoration: none;
}

.auth-box p a:hover {
    text-decoration: underline;
}

.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert {
    background: #ffebee;
    color: #c62828;
    border-left: 4px solid #c62828;
}

.alert-success {
    background: #e8f5e9;
    color: #2e7d32;
    border-left-color: #2e7d32;
}

.alert-warning {
    background: #fff3e0;
    color: #e65100;
    border-left-color: #e65100;
}

.alert-error {
    background: #ffebee;
    color: #c62828;
    border-left-color: #c62828;
}

.success {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    background: #e8f5e9;
    color: #2e7d32;
    border-left: 4px solid #2e7d32;
}

.card {
    background: #081a2b;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 8px;
    border-left: 4px solid var(--border);
    transition: all 0.3s ease;
}

.card:hover {
    border-left-color: var(--primary);
    box-shadow: 0 2px 8px rgba(19, 196, 107, 0.2);
}

.history-section {
    background: var(--darker);
    border-radius: 8px;
    padding: 20px;
    border: 1px solid var(--border);
    grid-column: 2;
}

.history-section h4 {
    margin-bottom: 16px;
}

.history-list {
    max-height: 600px;
    overflow-y: auto;
}

.history-row {
    background: #081a2b;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    border-left: 3px solid var(--border);
}

.history-row .trade-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.history-row .pair {
    font-weight: bold;
}

.history-row .type {
    font-size: 11px;
    opacity: 0.8;
}

.history-row .type.buy {
    color: var(--success);
}

.history-row .type.sell {
    color: var(--error);
}

.hrow {
    background: #081a2b;
    padding: 8px;
    border-radius: 6px;
    margin-bottom: 6px;
    font-size: 13px;
}

.trade-msg {
    padding: 12px;
    border-radius: 6px;
    margin-top: 12px;
    text-align: center;
    font-size: 14px;
    display: none;
}

.trade-msg.success {
    display: block;
    background: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #2e7d32;
}

.trade-msg.error {
    display: block;
    background: #ffebee;
    color: #c62828;
    border: 1px solid #c62828;
}

.trade-msg.loading {
    display: block;
    background: var(--border);
    color: var(--text);
    border: 1px solid var(--primary);
}

.login-prompt {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: var(--darker);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.login-prompt h2 {
    margin-bottom: 16px;
}

.login-prompt p {
    margin-bottom: 24px;
    opacity: 0.8;
}

.login-prompt .btn {
    margin: 0 8px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

table thead {
    background: var(--border);
}

table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
}

table td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

table tbody tr:hover {
    background: rgba(19, 196, 107, 0.05);
}

.requests-table {
    overflow-x: auto;
}

.status-pending {
    border-left-color: var(--warning);
}

.status-approved {
    border-left-color: var(--success);
}

.status-rejected {
    border-left-color: var(--error);
}

.status-completed {
    border-left-color: var(--info);
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--darker);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(19, 196, 107, 0.2);
}

.stat-card.alert-card {
    border-color: var(--warning);
}

.stat-card.alert-card:hover {
    box-shadow: 0 4px 12px rgba(255, 165, 0, 0.2);
}

.stat-value {
    font-size: 28px;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-card.alert-card .stat-value {
    color: var(--warning);
}

.stat-label {
    font-size: 14px;
    opacity: 0.7;
}

.admin-menu {
    margin-bottom: 30px;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.menu-item {
    background: var(--darker);
    padding: 20px;
    border-radius: 8px;
    border: 2px solid var(--border);
    text-decoration: none;
    color: var(--text);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
}

.menu-item:hover {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(19, 196, 107, 0.2);
    transform: translateY(-4px);
}

.menu-icon {
    font-size: 32px;
}

.menu-title {
    font-weight: 600;
    font-size: 16px;
}

.menu-desc {
    font-size: 13px;
    opacity: 0.7;
}

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

.admin-section h3 {
    margin-bottom: 16px;
}

.balance-display {
    text-align: center;
    padding: 30px 20px;
    background: rgba(19, 196, 107, 0.1);
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid rgba(19, 196, 107, 0.3);
}

.balance-amount {
    font-size: 32px;
    font-weight: bold;
    color: var(--primary);
}

.balance-label {
    font-size: 14px;
    opacity: 0.7;
    margin-top: 8px;
}

.balance-info {
    background: var(--border);
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.transaction-history {
    background: var(--darker);
    border-radius: 8px;
    border: 1px solid var(--border);
    padding: 16px;
    max-height: 400px;
    overflow-y: auto;
}

.transaction-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

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

.tx-info {
    flex: 1;
}

.tx-type {
    font-weight: 600;
    margin-bottom: 2px;
}

.tx-date {
    font-size: 12px;
    opacity: 0.7;
}

.tx-amount {
    font-weight: 600;
    margin: 0 16px;
}

.tx-status {
    font-weight: 600;
}

.info-box {
    background: rgba(52, 152, 219, 0.1);
    border: 1px solid rgba(52, 152, 219, 0.3);
    border-radius: 6px;
    padding: 16px;
    font-size: 13px;
}

.info-box h4 {
    margin-bottom: 8px;
    color: var(--info);
}

.info-box ul {
    list-style: none;
    padding-left: 0;
}

.info-box li {
    margin-bottom: 6px;
    padding-left: 16px;
    position: relative;
}

.info-box li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);;
    font-weight: bold;
}

.actions {
    display: flex;
    gap: 12px;
    margin: 20px 0;
}

.actions a {
    flex: 1;
    text-align: center;
}

@media (max-width: 768px) {
    header.topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .topbar .actions {
        width: 100%;
        flex-direction: column;
    }

    main.main-content {
        grid-template-columns: 1fr;
    }

    .history-section {
        grid-column: 1;
    }

    main.container {
        padding: 16px;
    }

    table {
        font-size: 12px;
    }

    table th,
    table td {
        padding: 8px;
    }

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

    .btn-group {
        grid-template-columns: 1fr;
    }

    .actions {
        flex-direction: column;
    }

    .actions a {
        width: 100%;
    }
}

@media (max-width: 480px) {
    header.topbar {
        padding: 12px 16px;
    }

    main.container {
        padding: 12px;
    }

    .auth-box {
        margin: 30px 16px;
        padding: 20px 16px;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-value {
        font-size: 24px;
    }
}