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

:root {
  --primary: #4C8F86;
  --primary-dark: #3A736B;
  --primary-light: #EEF4F1;
  --bg: #F5F8F6;
  --card: #FFFFFF;
  --border: #D8E4DE;
  --text: #1A3D30;
  --text-muted: #8AAA9E;
  --danger: #E05C5C;
  --success: #2D8F6F;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
}

html, body { height: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); }

input, select {
  width: 100%; padding: 12px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 15px; background: var(--card);
  color: var(--text); outline: none; transition: border-color 0.2s;
}
input:focus, select:focus { border-color: var(--primary); }

button, .btn {
  padding: 12px 24px; border: none; border-radius: var(--radius);
  font-size: 15px; font-weight: 600; cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: var(--primary-light); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-danger { background: var(--danger); color: white; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow);
}

.page {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 40px 20px;
}
.form-card { width: 100%; max-width: 480px; padding: 40px; }
.form-card h1 { font-size: 26px; margin-bottom: 8px; }
.form-card p { color: var(--text-muted); margin-bottom: 28px; font-size: 14px; line-height: 1.5; }
.form-card .form-group { margin-bottom: 20px; }
.form-card .form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 13px; }

.error { color: var(--danger); font-size: 14px; margin-top: 12px; display: none; }
.error.show { display: block; }

.success { color: var(--success); font-size: 14px; margin-top: 20px; line-height: 1.6; }
.success p { color: var(--text); font-size: 15px; margin-bottom: 6px; }

.toast {
  position: fixed; bottom: 24px; right: 24px; padding: 14px 20px;
  border-radius: var(--radius); color: white; font-size: 14px;
  z-index: 2000; opacity: 0; transform: translateY(20px);
  transition: opacity 0.3s, transform 0.3s; pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { background: var(--primary); }
.toast.error { background: var(--danger); }

/* Admin */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 260px; background: var(--card); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; flex-shrink: 0;
}
.admin-sidebar-header { padding: 24px 20px; border-bottom: 1px solid var(--border); }
.admin-sidebar-header h2 { font-size: 18px; }
.admin-sidebar-nav { flex: 1; padding: 12px 0; }
.admin-sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; color: var(--text); font-size: 14px;
  text-decoration: none; transition: background 0.15s;
}
.admin-sidebar-nav a:hover { background: var(--primary-light); text-decoration: none; }
.admin-sidebar-nav a.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.admin-main { flex: 1; padding: 32px; overflow-y: auto; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-header h1 { font-size: 24px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
th { font-weight: 600; color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }

.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}
.badge-pending { background: #FFF3D6; color: #B8860B; }
.badge-approved { background: #E0F5EC; color: var(--success); }
.badge-rejected { background: #FDE8E8; color: var(--danger); }

.empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); }