/* assets/css/style.css */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --green: #22c55e;
    --green-dark: #16a34a;
    --green-light: #dcfce7;
    --red: #ef4444;
    --red-light: #fee2e2;
    --orange: #f97316;
    --blue: #3b82f6;
    --bg: #f5f6fa;
    --sidebar-bg: #111827;
    --sidebar-text: #9ca3af;
    --sidebar-active: #ffffff;
    --card-bg: #ffffff;
    --border: #e5e7eb;
    --text: #111827;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --radius: 10px;
    --radius-sm: 6px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

img { max-width: 100%; }

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 220px;
    height: 100vh;
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-logo {
    padding: 20px 16px;
    border-bottom: 1px solid #1f2937;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo-text {
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.5px;
    line-height: 1.2;
    text-transform: uppercase;
}

.sidebar-section-label {
    font-size: 10px;
    font-weight: 600;
    color: #4b5563;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 20px 16px 6px;
}

.sidebar-nav { flex: 1; padding-bottom: 20px; }

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s;
    position: relative;
}

.sidebar-nav a:hover { color: #fff; background: #1f2937; }

.sidebar-nav a.active {
    color: #fff;
    background: #1f2937;
}

.sidebar-nav a.active::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 20px;
    background: var(--green);
    border-radius: 0 2px 2px 0;
}

.sidebar-nav a i { width: 18px; text-align: center; font-size: 14px; }

/* Overlay for mobile sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
}
.sidebar-overlay.active { display: block; }

/* ===== MAIN CONTENT ===== */
.main {
    margin-left: 220px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== TOPBAR ===== */
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    gap: 12px;
}

.ticker-strip {
    display: flex;
    align-items: center;
    gap: 20px;
    overflow: hidden;
    flex: 1;
    min-width: 0;
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    font-size: 12px;
    color: var(--text-muted);
}

.ticker-item .coin-icon {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: #f3f4f6;
    display: flex; align-items: center; justify-content: center;
    font-size: 9px; font-weight: 700;
    flex-shrink: 0;
}

.ticker-item .price { font-weight: 600; color: var(--text); }
.ticker-item .change-up { color: var(--green); font-size: 11px; }
.ticker-item .change-down { color: var(--red); font-size: 11px; }

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.topbar-links {
    display: flex;
    gap: 20px;
}

.topbar-links a {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
}

.topbar-links a:hover { color: var(--text); }

.avatar-btn {
    width: 34px; height: 34px;
    border-radius: 50%;
    background: var(--green);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    flex-shrink: 0;
}

/* ===== PAGE CONTENT ===== */
.content { padding: 24px; flex: 1; }

/* ===== CARDS ===== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text);
}

/* ===== BALANCE CARD ===== */
.balance-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: 20px;
}

.balance-label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.balance-amount {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
    word-break: break-word;
}

/* ===== ACCOUNT OVERVIEW ===== */
.overview-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 20px;
}

.overview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 8px;
}

.overview-title { font-size: 15px; font-weight: 600; }
.overview-date { font-size: 11px; color: var(--text-muted); }

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

.overview-stat label {
    font-size: 11px;
    color: var(--text-muted);
    display: block;
    margin-bottom: 2px;
}

.overview-stat .stat-val {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    word-break: break-word;
}

.overview-stat .stat-val.live-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.badge-live {
    background: var(--green);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
}

.overview-stat .stat-profit { color: var(--green); }

/* ===== ACTION BUTTONS ===== */
.btn-group { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s;
    white-space: nowrap;
}

.btn-green { background: var(--green); color: #fff; }
.btn-green:hover { background: var(--green-dark); }
.btn-dark { background: #1f2937; color: #fff; }
.btn-dark:hover { background: #111827; }
.btn-outline { background: transparent; color: var(--text); border: 1.5px solid var(--border); }
.btn-outline:hover { background: var(--bg); }
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: #dc2626; }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

/* ===== ALERT BANNER ===== */
.alert-banner {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.alert-banner .alert-icon { color: var(--orange); font-size: 16px; flex-shrink: 0; }
.alert-banner .alert-text { color: var(--orange); font-size: 13px; font-weight: 500; flex: 1; min-width: 0; }
.alert-banner .alert-btn {
    background: var(--orange);
    color: #fff;
    border: none;
    padding: 5px 14px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    flex-shrink: 0;
}

/* ===== RATE BARS ===== */
.rate-bars { margin-bottom: 16px; }

.rate-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.rate-row label {
    width: 70px;
    font-size: 12px;
    color: var(--text-muted);
    flex-shrink: 0;
}

.rate-bar-wrap {
    flex: 1;
    background: #f3f4f6;
    border-radius: 20px;
    height: 8px;
    overflow: hidden;
    min-width: 0;
}

.rate-bar { height: 100%; border-radius: 20px; }
.rate-bar.win { background: var(--green); }
.rate-bar.loss { background: var(--red); }
.rate-row .pct { font-size: 12px; font-weight: 600; color: var(--text); width: 45px; text-align: right; flex-shrink: 0; }

.trades-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f3f4f6;
    border-radius: 20px;
    padding: 5px 14px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.mini-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    font-size: 12px;
}

.mini-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    overflow: hidden;
}

.mini-stat span { color: var(--text); font-weight: 600; white-space: nowrap; }

/* ===== PLACE ORDER FORM ===== */
.order-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }

.order-card-header {
    background: linear-gradient(135deg, #111827, #1f2937);
    color: #fff;
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.order-card-header i { color: var(--green); font-size: 18px; }
.order-card-header h3 { font-size: 16px; font-weight: 700; }

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

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: #fff;
    transition: border-color 0.15s;
    outline: none;
    -webkit-appearance: none;
}

.form-control:focus { border-color: var(--green); }

select.form-control { appearance: none; -webkit-appearance: none; cursor: pointer; }

.select-wrap { position: relative; }
.select-wrap::after {
    content: '▾';
    position: absolute;
    right: 14px; top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

/* Leverage grid */
.leverage-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    margin-bottom: 8px;
}

.lev-btn {
    padding: 8px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
    color: var(--text);
}

.lev-btn:hover { border-color: var(--green); color: var(--green); }
.lev-btn.active { background: var(--green); border-color: var(--green); color: #fff; }

.buy-sell-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 20px;
}

.btn-long { background: var(--green); color: #fff; border: none; padding: 14px; font-size: 14px; font-weight: 700; border-radius: var(--radius-sm); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; }
.btn-short { background: var(--red); color: #fff; border: none; padding: 14px; font-size: 14px; font-weight: 700; border-radius: var(--radius-sm); cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; }

/* ===== TABLES ===== */
.table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -4px; padding: 0 4px; }

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 500px;
}

table.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

table.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid #f3f4f6;
    color: var(--text);
    vertical-align: middle;
}

table.data-table tbody tr:hover { background: #f9fafb; }
table.data-table tbody tr:last-child td { border-bottom: none; }

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-pending { background: #fef3c7; color: #92400e; }
.badge-approved, .badge-active, .badge-won { background: var(--green-light); color: #15803d; }
.badge-rejected, .badge-lost, .badge-cancelled { background: var(--red-light); color: #b91c1c; }
.badge-info { background: #dbeafe; color: #1d4ed8; }

/* ===== AUTH FORMS ===== */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #111827 0%, #1f2937 100%);
    padding: 20px;
}

.auth-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.auth-logo { text-align: center; margin-bottom: 28px; }

.auth-logo .logo-icon {
    width: 52px; height: 52px;
    background: var(--green);
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 900;
    color: #fff;
    margin-bottom: 10px;
}

.auth-logo h2 { font-size: 20px; font-weight: 700; color: var(--text); }
.auth-logo p { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.form-error {
    background: var(--red-light);
    color: #b91c1c;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 16px;
}

.form-success {
    background: var(--green-light);
    color: #15803d;
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 16px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.auth-footer a { color: var(--green); text-decoration: none; font-weight: 600; }

/* ===== GRID LAYOUTS ===== */
.dashboard-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 20px; margin-bottom: 20px; }
.trading-grid { display: grid; grid-template-columns: 1fr 380px; gap: 20px; }
.wallet-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.account-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.stats-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }

/* ===== STAT CARDS ===== */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 24px; }

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
}

.stat-card-icon {
    width: 40px; height: 40px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    margin-bottom: 12px;
}

.stat-card-icon.green { background: var(--green-light); color: var(--green); }
.stat-card-icon.red { background: var(--red-light); color: var(--red); }
.stat-card-icon.blue { background: #dbeafe; color: var(--blue); }
.stat-card-icon.orange { background: #ffedd5; color: var(--orange); }

.stat-card label { font-size: 11px; color: var(--text-muted); font-weight: 500; }
.stat-card .val { font-size: 22px; font-weight: 700; color: var(--text); margin-top: 2px; word-break: break-word; }

/* ===== PAGE HEADER ===== */
.page-header { margin-bottom: 24px; }
.page-header h1 { font-size: 22px; font-weight: 700; color: var(--text); }
.page-header p { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===== NOTIFICATIONS ===== */
.notif-dot {
    width: 8px; height: 8px;
    background: var(--red);
    border-radius: 50%;
    display: inline-block;
    margin-left: 4px;
    vertical-align: middle;
}

/* ===== MOBILE MENU BUTTON ===== */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px; height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 20px;
    color: var(--text);
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}

/* ===== ADMIN PENDING GRID ===== */
.admin-pending-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.admin-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.admin-recent-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.admin-overview-stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* --- Tablet landscape --- */
@media (max-width: 1100px) {
    .trading-grid { grid-template-columns: 1fr 340px; }
    .admin-overview-stats { grid-template-columns: repeat(3, 1fr); }
}

/* --- Tablet portrait --- */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
        width: 260px;
    }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .mobile-menu-btn { display: flex; }

    .content { padding: 16px; }

    .dashboard-grid { grid-template-columns: 1fr; }
    .trading-grid { grid-template-columns: 1fr; }
    .wallet-grid { grid-template-columns: 1fr; }
    .account-grid { grid-template-columns: 1fr; }
    .settings-grid { grid-template-columns: 1fr; }

    .stat-cards { grid-template-columns: 1fr 1fr; }
    .stat-cards-3 { grid-template-columns: 1fr 1fr; }

    .admin-pending-grid { grid-template-columns: 1fr; }
    .admin-stats-grid { grid-template-columns: 1fr 1fr; }
    .admin-recent-grid { grid-template-columns: 1fr; }
    .admin-overview-stats { grid-template-columns: 1fr 1fr; }

    .topbar-links { display: none; }
    .topbar { padding: 0 12px; }

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

/* --- Mobile --- */
@media (max-width: 600px) {
    .content { padding: 12px; }

    .page-header { margin-bottom: 16px; }
    .page-header h1 { font-size: 18px; }

    .stat-cards { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-cards-3 { grid-template-columns: 1fr; }
    .stat-card { padding: 14px; }
    .stat-card .val { font-size: 18px; }
    .stat-card-icon { width: 34px; height: 34px; font-size: 14px; margin-bottom: 8px; }

    .balance-card { padding: 18px; }
    .balance-amount { font-size: 26px; }

    .overview-stat .stat-val { font-size: 15px; }
    .overview-card { padding: 16px; }

    .card { padding: 16px; margin-bottom: 14px; }

    .ticker-strip { gap: 14px; }
    .ticker-item:nth-child(n+4) { display: none; }

    .topbar { height: 50px; }
    .topbar-right { gap: 10px; }

    .form-row { grid-template-columns: 1fr; gap: 0; }

    .auth-card { padding: 28px 20px; }
    .auth-logo h2 { font-size: 17px; }

    .buy-sell-btns { gap: 8px; }
    .btn-long, .btn-short { padding: 12px; font-size: 13px; }

    .leverage-grid { grid-template-columns: repeat(5, 1fr); gap: 4px; }
    .lev-btn { padding: 6px; font-size: 11px; }

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

    .stats-2col { grid-template-columns: 1fr; }

    .admin-pending-grid { grid-template-columns: 1fr; }
    .admin-stats-grid { grid-template-columns: 1fr; }
    .admin-overview-stats { grid-template-columns: 1fr; }

    .btn-group { gap: 6px; }
    .btn { padding: 8px 14px; font-size: 12px; }

    .alert-banner { padding: 10px 12px; gap: 8px; }
    .alert-banner .alert-text { font-size: 12px; }

    table.data-table { min-width: 420px; }
    table.data-table th, table.data-table td { padding: 10px 10px; font-size: 12px; }

    /* Filter buttons scrollable on mobile */
    .filter-tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 8px; -webkit-overflow-scrolling: touch; margin-bottom: 16px; }
    .filter-tabs .btn { flex-shrink: 0; }
}

/* --- Small phones --- */
@media (max-width: 380px) {
    .content { padding: 10px; }

    .balance-amount { font-size: 22px; }
    .stat-cards { grid-template-columns: 1fr; }

    .ticker-item:nth-child(n+3) { display: none; }

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

    .leverage-grid { grid-template-columns: repeat(5, 1fr); }
}