:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1f2430;
  --muted: #6b7280;
  --brand: #1d4ed8;
  --brand-dark: #1e3a8a;
  --border: #e2e4e9;
  --danger: #b91c1c;
  --success: #15803d;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar { background: var(--ink); color: #fff; }
.topbar-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; gap: 24px; padding: 12px 20px; }
.topbar .brand { color: #fff; font-weight: 700; font-size: 1.05rem; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { color: #d7dbe6; }
.topbar nav a:hover { color: #fff; }
.user-menu { display: flex; gap: 12px; align-items: center; color: #c7cbd6; font-size: 0.9rem; }
.user-menu a { color: #c7cbd6; }

.container { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 20px; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
.page-header h1 { font-size: 1.4rem; margin: 0; }

.btn { display: inline-block; background: var(--brand); color: #fff; border: none; padding: 9px 16px; border-radius: 6px; font-size: 0.9rem; cursor: pointer; }
.btn:hover { background: var(--brand-dark); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--ink); border: 1px solid var(--border); }
.btn.secondary:hover { background: #f2f3f5; }
.btn.danger { background: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: #fafbfc; }

.form-group { margin-bottom: 16px; }
label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 5px; color: #374151; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=date], input[type=url], select, textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 6px; font-size: 0.95rem; background: #fff; color: var(--ink);
}
textarea { resize: vertical; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 18px; font-size: 0.92rem; }
.alert-success { background: #dcfce7; color: var(--success); border: 1px solid #bbf7d0; }
.alert-error { background: #fee2e2; color: var(--danger); border: 1px solid #fecaca; }

.badge { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge-scheduled { background: #e0e7ff; color: #3730a3; }
.badge-in_progress { background: #fef3c7; color: #92400e; }
.badge-completed { background: #dbeafe; color: #1e40af; }
.badge-invoiced { background: #ede9fe; color: #5b21b6; }
.badge-paid { background: #dcfce7; color: #166534; }
.badge-cancelled { background: #f3f4f6; color: #6b7280; }
.badge-draft { background: #f3f4f6; color: #374151; }
.badge-sent { background: #dbeafe; color: #1e40af; }
.badge-void { background: #fee2e2; color: #991b1b; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 18px; }
.stat .label { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: .03em; }
.stat .value { font-size: 1.6rem; font-weight: 700; margin-top: 4px; }

.filter-bar { display: flex; gap: 12px; align-items: flex-end; margin-bottom: 18px; flex-wrap: wrap; }
.filter-bar .form-group { margin-bottom: 0; }

.login-wrap { max-width: 380px; margin: 80px auto; }
.login-wrap .card { }
.login-wrap h1 { text-align: center; font-size: 1.3rem; margin-bottom: 20px; }

.text-muted { color: var(--muted); }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.small { font-size: 0.85rem; }

.email-list { list-style: none; padding: 0; margin: 0; }
.email-list li { padding: 4px 0; border-bottom: 1px dashed var(--border); }

.link-list { list-style: none; padding: 0; margin: 0; }
.link-list li { padding: 4px 0; word-break: break-all; }