:root {
    --bg: #f4f6f8;
    --card: #ffffff;
    --border: #e1e5ea;
    --text: #1f2937;
    --muted: #6b7280;
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --danger: #dc2626;
    --warning: #d97706;
    --success: #16a34a;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
}

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

.topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.brand {
    font-weight: 700;
    font-size: 17px;
    color: var(--text);
}

.topbar nav {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

.topbar nav .user {
    color: var(--muted);
    font-size: 13px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}

.flash {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}
.flash-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
}
.stat-card .stat-value { font-size: 28px; font-weight: 700; }
.stat-card .stat-label { color: var(--muted); font-size: 13px; margin-top: 4px; }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 24px;
}

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 17px; margin: 0 0 12px; }

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

th, td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }

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

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.badge-success { background: #ecfdf5; color: var(--success); }
.badge-warning { background: #fffbeb; color: var(--warning); }
.badge-danger { background: #fef2f2; color: var(--danger); }
.badge-muted { background: #f3f4f6; color: var(--muted); }

.btn {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 7px;
    background: var(--primary);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #f9fafb; }
.btn-danger { background: #fff; color: var(--danger); border: 1px solid #fecaca; }
.btn-danger:hover { background: #fef2f2; }
.btn-sm { padding: 5px 11px; font-size: 13px; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }

form.inline { display: inline; }

.filters { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.filters input[type="text"] {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 14px;
    min-width: 220px;
}
.filters .chip {
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text);
    font-size: 13px;
}
.filters .chip.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--muted); }
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field input[type="number"],
.field input[type="date"],
.field textarea,
.field select {
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 14px;
    font-family: inherit;
    width: 100%;
}
.field textarea { resize: vertical; }
.field-checkbox { flex-direction: row; align-items: center; gap: 8px; }

.form-actions { margin-top: 20px; display: flex; gap: 10px; }

.login-wrap {
    max-width: 380px;
    margin: 80px auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px;
}
.login-wrap h1 { text-align: center; }

.muted { color: var(--muted); }
.section-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 8px; }
.detail-grid .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
.detail-grid .v { font-size: 15px; margin-top: 2px; }