/* ═══════════════════════════════════════════════════
   PolyWeather Bot — Dashboard Styles
   Clean, dark-mode design inspired by trading terminals
   ═══════════════════════════════════════════════════ */

/* ── Reset & Base ─────────────────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color palette — dark trading terminal aesthetic */
    --bg-primary:     #0b0e14;
    --bg-secondary:   #111720;
    --bg-card:        #151b28;
    --bg-card-hover:  #1a2233;
    --bg-input:       #0f1318;
    --border-color:   #1e2737;
    --border-subtle:  #171d2a;

    /* Text */
    --text-primary:   #e0e4ec;
    --text-secondary: #7a8599;
    --text-muted:     #4a5568;

    /* Accents */
    --accent-blue:    #3b82f6;
    --accent-blue-bg: rgba(59, 130, 246, 0.12);
    --accent-green:   #22c55e;
    --accent-green-bg:rgba(34, 197, 94, 0.12);
    --accent-red:     #ef4444;
    --accent-red-bg:  rgba(239, 68, 68, 0.10);
    --accent-amber:   #f59e0b;
    --accent-amber-bg:rgba(245, 158, 11, 0.12);
    --accent-purple:  #a78bfa;
    --accent-cyan:    #22d3ee;

    /* Gradients */
    --gradient-brand: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-green: linear-gradient(135deg, #22c55e 0%, #14b8a6 100%);
    --gradient-card:  linear-gradient(145deg, #151b28 0%, #111720 100%);

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.3);
    --shadow-md:  0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg:  0 8px 30px rgba(0,0,0,0.5);
    --shadow-glow-blue:  0 0 20px rgba(59, 130, 246, 0.15);
    --shadow-glow-green: 0 0 20px rgba(34, 197, 94, 0.15);

    /* Sizes */
    --nav-height: 60px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    /* Font */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

html {
    font-size: 15px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── Navbar ───────────────────────────────────────── */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--nav-height);
    padding: 0 1.5rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-icon {
    font-size: 1.4rem;
}

.nav-title {
    font-size: 1.15rem;
    font-weight: 700;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.45rem 1rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.04);
}

.nav-link.active {
    color: var(--accent-blue);
    background: var(--accent-blue-bg);
}

.nav-status {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--accent-green);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-green);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
    50% { opacity: 0.8; box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
}

.status-text {
    font-weight: 500;
}

/* ── Main Content ─────────────────────────────────── */
.main-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    min-height: calc(100vh - var(--nav-height) - 50px);
}

.page-header {
    margin-bottom: 1.75rem;
}

.page-header h1 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

/* ── KPI Grid ─────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity 0.25s;
}

.kpi-card:hover {
    border-color: rgba(59, 130, 246, 0.25);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-blue);
}

.kpi-card:hover::before {
    opacity: 1;
}

.kpi-icon {
    font-size: 1.6rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.kpi-body {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.kpi-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
}

.kpi-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.kpi-unit {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.kpi-detail {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.scan-value {
    font-size: 1.1rem;
}

.kpi-positive .kpi-value { color: var(--accent-green); }
.kpi-negative .kpi-value { color: var(--accent-red); }
.status-active { color: var(--accent-green) !important; font-size: 1.1rem !important; }

/* ── Section Title ────────────────────────────────── */
.section-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

/* ── Chart ────────────────────────────────────────── */
.chart-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.chart-wrapper {
    overflow-x: auto;
}

.chart {
    display: flex;
    align-items: flex-end;
    gap: 0;
    min-height: 260px;
    position: relative;
}

.chart-y-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-end;
    height: 220px;
    padding-right: 0.75rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
    min-width: 44px;
    flex-shrink: 0;
}

.chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    flex: 1;
    height: 260px;
    border-left: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 24px;
    padding-left: 2px;
}

.chart-bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-width: 18px;
    max-width: 40px;
    position: relative;
}

.chart-bar {
    width: 100%;
    border-radius: 3px 3px 0 0;
    transition: all 0.3s ease;
    min-height: 2px;
}

.chart-bar:hover {
    filter: brightness(1.3);
}

.bar-positive {
    background: var(--gradient-green);
}

.bar-negative {
    background: linear-gradient(135deg, var(--accent-red), #dc2626);
}

.chart-label {
    font-size: 0.55rem;
    color: var(--text-muted);
    white-space: nowrap;
    margin-top: 4px;
    font-family: var(--font-mono);
    position: absolute;
    bottom: -20px;
}

/* ── Filters Bar ──────────────────────────────────── */
.filters-bar {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.filter-group label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.filter-group input,
.filter-group select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.2s;
    min-width: 140px;
}

.filter-group input:focus,
.filter-group select:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 2px var(--accent-blue-bg);
}

/* ── Buttons ──────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-sans);
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.btn-filter {
    background: var(--accent-blue);
    color: white;
}

.btn-filter:hover {
    background: #2563eb;
    box-shadow: var(--shadow-glow-blue);
}

.btn-reset {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-reset:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.btn-page {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-page:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn-download {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.25rem;
}

.btn-download:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

/* ── Data Table ───────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.data-table thead {
    position: sticky;
    top: 0;
    z-index: 5;
}

.data-table th {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.75rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table td {
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-primary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background 0.15s;
}

.data-table tbody tr:hover {
    background: var(--bg-card-hover);
}

.td-date {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.td-city {
    font-weight: 600;
}

.td-outcome {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-cyan);
}

.td-number {
    font-family: var(--font-mono);
    text-align: right;
}

.td-edge {
    font-family: var(--font-mono);
    font-weight: 700;
    text-align: right;
}

.edge-good { color: var(--accent-green); }
.edge-neutral { color: var(--accent-amber); }
.edge-bad { color: var(--accent-red); }

.td-pnl {
    font-family: var(--font-mono);
    font-weight: 700;
    text-align: right;
}

.pnl-positive { color: var(--accent-green); }
.pnl-negative { color: var(--accent-red); }

/* ── Badges ───────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    border-radius: 100px;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-execute {
    background: var(--accent-blue-bg);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.badge-skip {
    background: rgba(100, 116, 139, 0.1);
    color: var(--text-muted);
    border: 1px solid rgba(100, 116, 139, 0.15);
}

.badge-win {
    background: var(--accent-green-bg);
    color: var(--accent-green);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.badge-loss {
    background: var(--accent-red-bg);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-pending {
    background: var(--accent-amber-bg);
    color: var(--accent-amber);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.skip-reason {
    display: block;
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
    font-family: var(--font-mono);
}

/* ── Pagination ───────────────────────────────────── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
}

.page-info {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ── Log Viewer ───────────────────────────────────── */
.log-container {
    background: #0a0d11;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    max-height: 70vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.log-output {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    line-height: 1.7;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
    margin: 0;
}

/* ── Empty State ──────────────────────────────────── */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
    text-align: center;
    gap: 0.75rem;
}

.empty-icon {
    font-size: 2.5rem;
    opacity: 0.5;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ── Footer ───────────────────────────────────────── */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.5rem;
    font-size: 0.7rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-subtle);
    max-width: 1280px;
    margin: 0 auto;
}

/* ── Scrollbar ────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        height: auto;
        padding: 0.75rem 1rem;
        gap: 0.5rem;
    }

    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-group input,
    .filter-group select {
        min-width: unset;
        width: 100%;
    }

    .header-row {
        flex-direction: column;
        gap: 0.75rem;
    }

    .main-content {
        padding: 1.25rem 1rem;
    }
}

@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }
}