:root {
    --bg: #f4f6f8;
    --card: #ffffff;
    --border: #dde3e8;
    --text: #1f2933;
    --muted: #64748b;
    --primary: #0f766e;
    --primary-dark: #0b5c56;
    --danger: #b91c1c;
    --radius: 8px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

a { color: var(--primary); }

.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.auth-card {
    width: 100%;
    max-width: 380px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.auth-title { margin: 0 0 4px; font-size: 22px; }
.auth-sub { margin: 0 0 20px; color: var(--muted); font-size: 14px; }

.form-group { margin-bottom: 0; }
.form-label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 600; }
.form-input, .form-select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    background: #fff;
    color: var(--text);
}
.form-input:focus, .form-select:focus { outline: 2px solid var(--primary); outline-offset: 1px; }

.btn {
    display: inline-block;
    padding: 10px 16px;
    border-radius: 6px;
    border: none;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: var(--primary-dark); }
.btn-block { width: 100%; text-align: center; margin-top: 16px; }

.alert {
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
}
.alert-error { background: #fee2e2; color: var(--danger); border: 1px solid #fecaca; }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}
.topbar-brand { font-weight: 700; }
.topbar-brand a { color: var(--text); text-decoration: none; }

.container { padding: 24px; max-width: 960px; margin: 0 auto; }

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

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.page-header h1 { font-size: 20px; margin: 0; }

.btn-secondary {
    background: #fff;
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg); }

.search-form { display: flex; gap: 8px; margin-bottom: 16px; }
.search-form .form-input { flex: 1; }

table.table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.table th, table.table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}
table.table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
table.table tr:hover td { background: var(--bg); }

.empty-state { color: var(--muted); padding: 24px; text-align: center; }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-grid .form-group.full { grid-column: 1 / -1; }

.definition-list { display: grid; grid-template-columns: 140px 1fr; row-gap: 10px; font-size: 14px; }
.definition-list dt { color: var(--muted); }
.definition-list dd { margin: 0; }

@media print {
    .no-print { display: none !important; }
    body { background: #fff; }
}