/* ========================================
   CRYPTO BOT DASHBOARD - DARK THEME
   ======================================== */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1c2128;
    --bg-hover: #252c35;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --border: #30363d;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --green: #10b981;
    --red: #ef4444;
    --yellow: #f59e0b;
    --blue: #3b82f6;
}

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

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

/* ---- Navbar ---- */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.bot-icon { font-size: 20px; }

.mode-badge {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mode-paper { background: var(--yellow); color: #000; }
.mode-live { background: var(--red); color: #fff; }

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.15s;
}

.nav-links a:hover { color: var(--text-primary); background: var(--bg-hover); }
.nav-links a.active { color: var(--accent); background: rgba(99, 102, 241, 0.1); }
.nav-logout { color: var(--red) !important; }

/* ---- Container ---- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ---- Stats Grid ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 20px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
}

.stat-sub {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

.card h2 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---- Tables ---- */
.table-wrapper { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
    font-size: 13px;
}

tr:hover { background: var(--bg-hover); }

.empty {
    text-align: center;
    color: var(--text-muted);
    padding: 30px !important;
    font-style: italic;
}

/* ---- Colors ---- */
.positive { color: var(--green); }
.negative { color: var(--red); }
.neutral { color: var(--yellow); }
.muted { color: var(--text-muted); }

/* ---- Badges ---- */
.badge {
    background: var(--accent);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

.strategy-badge {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
}

.confidence-badge {
    background: rgba(16, 185, 129, 0.15);
    color: var(--green);
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    margin-right: 6px;
}

/* ---- Buttons ---- */
.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-hover); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-success { background: var(--green); color: #fff; }
.btn-warning { background: var(--yellow); color: #000; }
.btn-danger { background: var(--red); color: #fff; }
.btn-full { width: 100%; }

/* ---- Charts ---- */
.chart-container {
    position: relative;
    height: 300px;
}

/* ---- Alerts ---- */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
}

.alert-error { background: rgba(239, 68, 68, 0.15); color: var(--red); border: 1px solid rgba(239, 68, 68, 0.3); }
.alert-success { background: rgba(16, 185, 129, 0.15); color: var(--green); border: 1px solid rgba(16, 185, 129, 0.3); }
.alert-info { background: rgba(99, 102, 241, 0.15); color: var(--accent); border: 1px solid rgba(99, 102, 241, 0.3); }

/* ---- Login ---- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 380px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.bot-icon-large { font-size: 48px; display: block; margin-bottom: 8px; }
.login-header h1 { font-size: 24px; font-weight: 700; }
.login-subtitle { color: var(--text-secondary); font-size: 14px; }

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

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

input[type="password"],
input[type="text"],
select {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.15s;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-compact { max-width: 400px; }

/* ---- Filters ---- */
.filters-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.filters-bar select {
    width: auto;
    min-width: 140px;
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.page-header h1 { margin: 0; }

/* ---- Pagination ---- */
.pagination {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 16px;
}

/* ---- Insights ---- */
.insights-list { max-height: 400px; overflow-y: auto; }

.insight-item {
    padding: 10px 14px;
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
    font-size: 13px;
    line-height: 1.5;
}

.insight-item.warning {
    border-left: 3px solid var(--yellow);
    padding-left: 12px;
}

/* ---- Settings ---- */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
}

.setting-label { color: var(--text-secondary); font-size: 13px; }
.setting-value { font-weight: 600; font-size: 13px; }

/* ---- Emergency ---- */
.emergency-card { border-color: var(--red); }

.emergency-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ---- Code Block ---- */
.code-block {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 14px;
    font-family: 'Cascadia Code', 'Fira Code', monospace;
    font-size: 12px;
    color: var(--text-secondary);
    overflow-x: auto;
    max-height: 200px;
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

/* ---- Refresh Info ---- */
.refresh-info {
    text-align: center;
    color: var(--text-muted);
    font-size: 11px;
    margin-top: 20px;
}

/* ---- Hamburger (hidden on desktop) ---- */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    gap: 4px;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 2px;
    transition: 0.2s;
}

/* ---- PWA standalone: hide URL bar padding ---- */
@media (display-mode: standalone) {
    body { padding-top: env(safe-area-inset-top); }
    .navbar { padding-top: env(safe-area-inset-top); }
}

/* ---- Responsive: Mobile ---- */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 52px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 12px;
        gap: 2px;
        z-index: 99;
        overflow-y: auto;
        border-top: 1px solid var(--border);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        padding: 14px 16px;
        font-size: 15px;
        border-radius: 8px;
    }

    .nav-links a.active {
        background: rgba(99, 102, 241, 0.15);
    }

    .navbar { padding: 0 12px; }
    .container { padding: 12px; }

    /* Cards & grid */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-card { padding: 12px 14px; }
    .stat-value { font-size: 20px; }
    .stat-label { font-size: 11px; }
    .card { padding: 14px; margin-bottom: 12px; }
    .card h2 { font-size: 15px; }

    /* Tables scroll horizontally */
    .table-wrapper { -webkit-overflow-scrolling: touch; }
    td, th { padding: 8px 10px; font-size: 12px; white-space: nowrap; }

    /* Charts shorter on mobile */
    .chart-container { height: 200px; }

    /* Settings */
    .settings-grid { grid-template-columns: 1fr; }
    .emergency-buttons { flex-direction: column; }

    /* Forms touch-friendly */
    input[type="password"],
    input[type="text"],
    select {
        padding: 12px 14px;
        font-size: 16px; /* Prevents iOS zoom */
    }

    .btn { padding: 12px 16px; font-size: 15px; }

    /* Login page */
    .login-container { padding: 24px; margin: 12px; }

    /* Page headers */
    .page-header { flex-direction: column; align-items: flex-start; gap: 8px; }

    /* Filters wrap better */
    .filters-bar { flex-direction: column; }
    .filters-bar select { width: 100%; }
}