*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #f8f9fa; --surface: #fff; --border: #dee2e6; --text: #212529;
  --muted: #6c757d; --primary: #2563eb; --primary-hover: #1d4ed8;
  --success: #16a34a; --warning: #d97706; --danger: #dc2626;
  --radius: 8px; --shadow: 0 1px 3px rgba(0,0,0,.08);
}

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }

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

/* Header */
header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 12px 24px; display: flex; align-items: center; gap: 16px; }
header h1 { font-size: 18px; font-weight: 600; }
header nav a { color: var(--muted); text-decoration: none; font-size: 14px; }
header nav a:hover { color: var(--primary); }

/* Cards */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.card h2 { font-size: 16px; margin-bottom: 12px; }
.card h3 { font-size: 14px; margin-bottom: 8px; color: var(--muted); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #f1f3f5; font-weight: 600; white-space: nowrap; }
tr:hover { background: #f8f9fa; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 12px; font-weight: 500; }
.badge-ok { background: #dcfce7; color: var(--success); }
.badge-missing { background: #fee2e2; color: var(--danger); }
.badge-warning { background: #fef3c7; color: var(--warning); }
.badge-pending { background: #dbeafe; color: var(--primary); }
.badge-submitted { background: #dcfce7; color: var(--success); }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: none; border-radius: 6px; font-size: 14px; font-weight: 500; cursor: pointer; text-decoration: none; transition: background .15s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: #f1f3f5; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Forms */
.form-input { padding: 6px 10px; border: 1px solid var(--border); border-radius: 4px; font-size: 14px; width: 100%; }
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(37,99,235,.15); }

/* Sections */
.section-title { font-size: 16px; font-weight: 600; margin: 24px 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--primary); }

/* Callout */
.callout { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; display: flex; align-items: flex-start; gap: 10px; }
.callout-info { background: #eff6ff; border: 1px solid #bfdbfe; }
.callout-warning { background: #fffbeb; border: 1px solid #fde68a; }
.callout-error { background: #fef2f2; border: 1px solid #fecaca; }
.callout-success { background: #f0fdf4; border: 1px solid #bbf7d0; }

/* Field row (editable) */
.field-row { display: flex; align-items: center; gap: 8px; padding: 6px 0; }
.field-label { min-width: 180px; font-weight: 500; font-size: 14px; }
.field-value { flex: 1; font-size: 14px; }
.field-status { width: 24px; text-align: center; }
.field-edit { display: none; flex: 1; }
.field-row.editing .field-value { display: none; }
.field-row.editing .field-edit { display: flex; gap: 4px; }

/* Loading overlay */
.loading { position: fixed; inset: 0; background: rgba(255,255,255,.7); display: flex; align-items: center; justify-content: center; z-index: 100; }
.loading.hidden { display: none; }
.spinner { width: 32px; height: 32px; border: 3px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin .6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast */
.toast { position: fixed; bottom: 24px; right: 24px; padding: 12px 20px; border-radius: var(--radius); color: #fff; font-size: 14px; z-index: 200; opacity: 0; transition: opacity .3s; }
.toast.show { opacity: 1; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }

/* Utils */
.text-muted { color: var(--muted); }
.text-sm { font-size: 13px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }