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

:root {
    --bg:           #0f1117;
    --surface:      #1a1d27;
    --surface-hover:#22263a;
    --border:       #2a2e3f;
    --text:         #e4e6ed;
    --text-muted:   #8b8fa3;
    --primary:      #5b8af5;
    --primary-hover:#4a7ae5;
    --accent:       #34d399;
    --warning:      #f59e0b;
    --danger:       #ef4444;
    --purple:       #a78bfa;
    --orange:       #fb923c;
    --card-radius:  10px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Login ──────────────────────────────────────────────────────────────── */
.login-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0f1117 0%, #1a1d27 100%);
}
.login-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--card-radius); padding: 40px 36px;
    width: 100%; max-width: 380px; text-align: center;
}
.login-icon { font-size: 2.5rem; margin-bottom: 8px; }
.login-card h1 { font-size: 1.4rem; font-weight: 600; margin-bottom: 24px; }
.form-group { margin-bottom: 14px; }
.form-group input {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border);
    border-radius: 6px; background: var(--bg); color: var(--text);
    font-size: 0.95rem; outline: none; transition: border-color 0.2s;
}
.form-group input:focus { border-color: var(--primary); }
.form-group input::placeholder { color: var(--text-muted); }

.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-error { background: rgba(239,68,68,0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn {
    display: inline-block; padding: 8px 16px; border-radius: 6px; border: none;
    font-size: 0.875rem; font-weight: 500; cursor: pointer;
    transition: background 0.2s, opacity 0.2s; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: var(--surface-hover); text-decoration: none; }
.btn-full { width: 100%; margin-top: 4px; }
.btn-sm { padding: 5px 12px; font-size: 0.82rem; }
.btn-xs { padding: 3px 8px; font-size: 0.78rem; }

/* ── Page layout ────────────────────────────────────────────────────────── */
.page-wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px 40px; }

/* ── Top bar ────────────────────────────────────────────────────────────── */
.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 0 20px; border-bottom: 1px solid var(--border); margin-bottom: 24px;
    flex-wrap: wrap; gap: 12px;
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.topbar-title { font-size: 1.15rem; font-weight: 700; color: var(--text); }
.topbar-sub { color: var(--text-muted); font-size: 0.9rem; }
.back-link { color: var(--text-muted); font-size: 0.9rem; }
.back-link:hover { color: var(--text); }

/* Date range form */
.date-form { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; }
.date-form label { color: var(--text-muted); }
.date-form input {
    background: var(--surface); border: 1px solid var(--border); border-radius: 6px;
    color: var(--text); padding: 5px 10px; font-size: 0.85rem; outline: none;
}
.date-form input:focus { border-color: var(--primary); }

/* ── Cards row ──────────────────────────────────────────────────────────── */
.cards-row {
    display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 24px;
}
.card {
    flex: 1; min-width: 160px; background: var(--surface);
    border: 1px solid var(--border); border-radius: var(--card-radius);
    padding: 20px 24px;
}
.card-accent { border-left: 3px solid var(--accent); }
.card-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.card-value { font-size: 2rem; font-weight: 700; color: var(--text); }
.card-sub { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

/* ── Panel ──────────────────────────────────────────────────────────────── */
.panel {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--card-radius); padding: 20px 24px; margin-bottom: 20px;
    overflow-x: auto;
}
.panel-title {
    font-size: 0.95rem; font-weight: 600; color: var(--text);
    margin-bottom: 16px; display: flex; align-items: center; gap: 10px;
}
.period-tag {
    font-size: 0.75rem; color: var(--text-muted); font-weight: 400;
}

/* ── Two-column layout ──────────────────────────────────────────────────── */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 0; }
@media (max-width: 768px) { .two-col { grid-template-columns: 1fr; } }

/* ── Breakdown grid ─────────────────────────────────────────────────────── */
.breakdown-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px; margin-bottom: 20px;
}

/* ── Data table ─────────────────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.data-table th {
    text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border);
    color: var(--text-muted); font-weight: 500; font-size: 0.8rem; text-transform: uppercase;
    letter-spacing: 0.04em;
}
.data-table td { padding: 8px 12px; border-bottom: 1px solid rgba(42,46,63,0.5); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--surface-hover); }
.data-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.data-table .accent { color: var(--accent); font-weight: 600; }
.data-table .muted { color: var(--text-muted); }
.data-table .small { font-size: 0.82rem; }

/* Clickable row */
.clickable-row { cursor: pointer; }

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge {
    display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.8rem;
    font-weight: 500; background: rgba(91,138,245,0.15); color: var(--primary);
}
.badge-green   { background: rgba(52,211,153,0.15); color: var(--accent); }
.badge-purple  { background: rgba(167,139,250,0.15); color: var(--purple); }
.badge-orange  { background: rgba(251,146,60,0.15);  color: var(--orange); }
.badge-warning { background: rgba(245,158,11,0.15);  color: var(--warning); }

/* ── Section headers (active / inactive separators) ─────────────────────── */
.section-header {
    padding: 10px 16px; border-radius: 6px; font-size: 0.9rem; font-weight: 600;
    margin-bottom: 16px; letter-spacing: 0.03em;
}
.active-header   { background: rgba(52,211,153,0.1);  color: var(--accent);  border-left: 3px solid var(--accent); }
.inactive-header { background: rgba(245,158,11,0.1);  color: var(--warning); border-left: 3px solid var(--warning); }

/* ── Card variants ───────────────────────────────────────────────────────── */
.card-inactive { border-left: 3px solid var(--warning); }

/* ── Table cell color helpers ────────────────────────────────────────────── */
.data-table .warning { color: var(--warning); font-weight: 600; }

/* ── Empty state ─────────────────────────────────────────────────────────── */
.empty-state {
    text-align: center; color: var(--text-muted); padding: 32px;
    font-size: 0.9rem;
}