:root {
    --bg: #f4f6f8;
    --card-bg: #ffffff;
    --text: #1f2933;
    --muted: #6b7280;
    --border: #e2e8f0;
    --accent: #1d4ed8;
    --accent-soft: #eef2ff;
    --positive: #15803d;
    --negative: #b91c1c;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    padding: 0 16px;
}

.wrap {
    max-width: 1080px;
    margin: 0 auto;
    padding: 24px 0 48px;
}

header.top {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

header.top h1 {
    font-size: 1.4rem;
    margin: 0;
}

header.top .meta {
    color: var(--muted);
    font-size: 0.85rem;
}

.login-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 360px;
}

.login-card h1 {
    font-size: 1.2rem;
    margin: 0 0 16px;
}

label {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 4px;
}

input[type=email], input[type=password] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 1rem;
}

button, .btn {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.error {
    background: #fef2f2;
    color: var(--negative);
    border: 1px solid #fecaca;
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.kpi {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}

.kpi .label {
    color: var(--muted);
    font-size: 0.8rem;
    margin-bottom: 6px;
}

.kpi .value {
    font-size: 1.4rem;
    font-weight: 600;
}

.kpi .change {
    font-size: 0.8rem;
    margin-top: 4px;
}

.change.positive { color: var(--positive); }
.change.negative { color: var(--negative); }

.section {
    margin-bottom: 24px;
}

.section h2 {
    font-size: 1rem;
    margin: 0 0 12px;
    color: var(--text);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

th, td {
    text-align: left;
    padding: 10px 12px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border);
}

th {
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
}

tr:last-child td { border-bottom: none; }

td.num, th.num { text-align: right; }

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

footer.note {
    color: var(--muted);
    font-size: 0.8rem;
    margin-top: 32px;
}

.empty {
    color: var(--muted);
    font-size: 0.9rem;
    padding: 16px;
    text-align: center;
}