:root {
  --brand: #2f5ae0;
  --brand-dark: #1f3fae;
  --ink: #1a1a1a;
  --muted: #666;
  --border: #e4e7ec;
  --bg: #f7f8fa;
  --danger: #d64545;
  --success: #1a9e6b;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

a { color: var(--brand); text-decoration: none; }

/* ---- Guest (login/register) layout ---- */
.guest-wrap { display: flex; min-height: 100vh; }
.guest-panel {
  flex: 1 1 40%;
  background: linear-gradient(160deg, var(--brand), var(--brand-dark));
  color: #fff;
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.guest-panel h1 { font-size: 32px; line-height: 1.25; margin: 220px 0 24px; }
.guest-panel .brand { font-size: 22px; font-weight: 700; }
.guest-panel ul { list-style: none; padding: 0; margin: 0; }
.guest-panel li { margin-bottom: 16px; opacity: 0.9; font-size: 14px; }
.guest-panel .footnote { font-size: 12px; opacity: 0.7; }

.guest-form-side {
  flex: 1 1 60%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.guest-form { width: 100%; max-width: 420px; }
.guest-form h2 { margin-bottom: 4px; }
.guest-form p.sub { color: var(--muted); margin-top: 0; font-size: 14px; }

.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.field input, .field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
}
.field input:focus, .field select:focus { outline: 2px solid var(--brand); border-color: var(--brand); }

.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  text-align: center;
}
.btn:hover { background: var(--brand-dark); }
.btn.btn-outline { background: #fff; color: var(--ink); border: 1px solid var(--border); }
.btn.btn-danger { background: var(--danger); }
.btn.btn-small { width: auto; padding: 8px 14px; font-size: 13px; }

.tabs { display: flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; margin-bottom: 28px; }
.tabs a { flex: 1; text-align: center; padding: 10px; font-size: 14px; color: var(--ink); }
.tabs a.active { background: var(--ink); color: #fff; }

.alert { padding: 12px 14px; border-radius: 8px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: #fdecec; color: var(--danger); border: 1px solid #f6c6c6; }
.alert-success { background: #e9f9f1; color: var(--success); border: 1px solid #bfe9d3; }

/* ---- App (dashboard) layout ---- */
.app-wrap { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #fff; border-right: 1px solid var(--border); padding: 20px 14px; }
.sidebar .brand { font-weight: 800; font-size: 18px; color: var(--brand); margin-bottom: 24px; padding-left: 8px; }
.sidebar .group-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin: 18px 0 6px 8px; }
.sidebar a.nav-link { display: block; padding: 8px 10px; border-radius: 8px; color: var(--ink); font-size: 14px; margin-bottom: 2px; }
.sidebar a.nav-link:hover, .sidebar a.nav-link.active { background: #eaf0ff; color: var(--brand); }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 60px; border-bottom: 1px solid var(--border); background: #fff;
  display: flex; align-items: center; justify-content: space-between; padding: 0 24px;
}
.topbar .who { font-size: 14px; text-align: right; }
.topbar .who .role { color: var(--muted); font-size: 12px; }

.content { padding: 28px; }
.content h1 { margin-top: 0; }
.subtitle { color: var(--muted); margin-top: -8px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 20px 0; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.stat-card .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stat-card .value { font-size: 26px; font-weight: 700; margin-top: 6px; }

.panel { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.panel h3 { margin: 0 0 4px; }
.panel .sub { color: var(--muted); font-size: 13px; margin: 0 0 16px; }
.empty-state { text-align: center; color: var(--muted); padding: 30px 10px; font-size: 14px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-pending { background: #fff4e0; color: #a5670b; }
.badge-approved { background: #e9f9f1; color: var(--success); }
.badge-rejected { background: #fdecec; color: var(--danger); }

.actions-row { display: flex; gap: 8px; }
.actions-row form { display: inline; }