/* ============================================================
   APP.CSS — Design System Psikotes IST+MBTI
   ============================================================ */

:root {
  --primary:     #4f46e5;
  --primary-dark:#3730a3;
  --primary-light:#ede9fe;
  --success:     #059669;
  --success-light:#d1fae5;
  --warning:     #d97706;
  --warning-light:#fef3c7;
  --danger:      #dc2626;
  --danger-light:#fee2e2;
  --info:        #0284c7;
  --info-light:  #e0f2fe;
  --gray-50:     #f9fafb;
  --gray-100:    #f3f4f6;
  --gray-200:    #e5e7eb;
  --gray-300:    #d1d5db;
  --gray-500:    #6b7280;
  --gray-700:    #374151;
  --gray-900:    #111827;
  --sidebar-w:   240px;
  --topbar-h:    60px;
  --radius:      10px;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow:      0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg:   0 10px 15px rgba(0,0,0,.08), 0 4px 6px rgba(0,0,0,.05);
  --transition:  .18s ease;
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
body { font-family: 'Inter', 'Segoe UI', system-ui, sans-serif; color: var(--gray-700); background: var(--gray-50); }

/* ── Admin Layout ── */
.app-wrapper { display: flex; flex-direction: column; min-height: 100vh; }

/* Topbar */
.topbar {
  height: var(--topbar-h);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.topbar-brand {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.topbar-brand .brand-badge {
  font-size: .65rem;
  background: var(--primary-light);
  color: var(--primary);
  padding: .15rem .5rem;
  border-radius: 20px;
  font-weight: 600;
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 1rem; }
.topbar-user {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .875rem;
  color: var(--gray-700);
}
.topbar-avatar {
  width: 32px; height: 32px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700;
}
.btn-logout {
  font-size: .8rem;
  padding: .35rem .85rem;
  border-radius: 6px;
  border: 1px solid var(--gray-200);
  background: #fff;
  color: var(--gray-700);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-logout:hover { background: var(--danger-light); color: var(--danger); border-color: var(--danger); }

/* Sidebar */
.app-body { display: flex; flex: 1; }
.sidebar {
  width: var(--sidebar-w);
  background: var(--gray-900);
  min-height: calc(100vh - var(--topbar-h));
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  overflow-y: auto;
  flex-shrink: 0;
  padding: .75rem 0;
  scrollbar-width: thin;
  scrollbar-color: #374151 transparent;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: #374151; border-radius: 4px; }

.nav-section {
  padding: .6rem 1rem .2rem;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #4b5563;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem 1rem;
  color: #9ca3af;
  text-decoration: none;
  font-size: .85rem;
  border-radius: 0;
  transition: var(--transition);
  margin: 1px .5rem;
  border-radius: 7px;
}
.nav-item:hover { color: #fff; background: #1f2937; }
.nav-item.active { color: #fff; background: var(--primary); }
.nav-item .nav-icon { font-size: 1rem; width: 20px; text-align: center; flex-shrink: 0; }

/* Main content */
.main-content { flex: 1; padding: 1.75rem 2rem; min-width: 0; }

/* ── Cards ── */
.card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-header {
  padding: .875rem 1.25rem;
  border-bottom: 1px solid var(--gray-200);
  background: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
  font-weight: 600;
  color: var(--gray-900);
}
.card-body { padding: 1.25rem; }
.card-footer {
  padding: .875rem 1.25rem;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
  border-radius: 0 0 var(--radius) var(--radius);
}

/* ── Stat Cards ── */
.stat-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--stat-color, var(--primary));
}
.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); }
.stat-card .stat-value { font-size: 2rem; font-weight: 800; color: var(--gray-900); line-height: 1; }
.stat-card .stat-label { font-size: .8rem; color: var(--gray-500); margin-top: .25rem; font-weight: 500; }
.stat-card .stat-icon {
  position: absolute;
  right: 1.25rem; top: 50%;
  transform: translateY(-50%);
  font-size: 2.5rem;
  opacity: .08;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .45rem 1rem;
  border-radius: 7px;
  font-size: .875rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1.4;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary   { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; }
.btn-success   { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #047857; color: #fff; }
.btn-danger    { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover  { background: #b91c1c; color: #fff; }
.btn-warning   { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-warning:hover { background: #b45309; color: #fff; }
.btn-outline-primary { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline-primary:hover { background: var(--primary-light); }
.btn-outline-secondary { background: transparent; color: var(--gray-700); border-color: var(--gray-300); }
.btn-outline-secondary:hover { background: var(--gray-100); }
.btn-outline-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-outline-danger:hover { background: var(--danger-light); }
.btn-outline-info { background: transparent; color: var(--info); border-color: var(--info); }
.btn-outline-info:hover { background: var(--info-light); }
.btn-sm { padding: .3rem .7rem; font-size: .8rem; border-radius: 6px; }
.btn-lg { padding: .7rem 1.5rem; font-size: 1rem; border-radius: 9px; }

/* ── Tables ── */
.table-wrap { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--gray-200); }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead th {
  background: var(--gray-50);
  padding: .65rem 1rem;
  font-weight: 600;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--gray-500);
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}
tbody td {
  padding: .7rem 1rem;
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--gray-50); }

/* ── Badges ── */
.badge {
  display: inline-flex; align-items: center;
  padding: .2rem .6rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger  { background: var(--danger-light);  color: var(--danger); }
.badge-info    { background: var(--info-light);    color: var(--info); }
.badge-gray    { background: var(--gray-100);      color: var(--gray-500); }

/* ── Forms ── */
.form-label { font-size: .875rem; font-weight: 500; color: var(--gray-700); margin-bottom: .35rem; display: block; }
.form-control, .form-select {
  width: 100%;
  padding: .5rem .85rem;
  border: 1px solid var(--gray-300);
  border-radius: 7px;
  font-size: .875rem;
  color: var(--gray-900);
  background: #fff;
  transition: var(--transition);
  outline: none;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}
.form-control::placeholder { color: var(--gray-300); }
.form-control-sm, .form-select-sm { padding: .35rem .7rem; font-size: .8rem; border-radius: 6px; }

/* ── Alerts ── */
.alert {
  padding: .85rem 1.1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  border: 1px solid transparent;
}
.alert-success { background: var(--success-light); color: #065f46; border-color: #a7f3d0; }
.alert-danger  { background: var(--danger-light);  color: #991b1b; border-color: #fca5a5; }
.alert-warning { background: var(--warning-light); color: #92400e; border-color: #fcd34d; }
.alert-info    { background: var(--info-light);    color: #075985; border-color: #7dd3fc; }

/* ── Pagination ── */
.pagination { display: flex; gap: .25rem; list-style: none; padding: 0; margin: 0; }
.page-item .page-link {
  display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: 7px;
  border: 1px solid var(--gray-200);
  color: var(--gray-700);
  font-size: .85rem;
  text-decoration: none;
  transition: var(--transition);
  background: #fff;
}
.page-item .page-link:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }
.page-item.active .page-link { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-item.disabled .page-link { opacity: .4; pointer-events: none; }

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: .75rem;
}
.page-title { font-size: 1.25rem; font-weight: 700; color: var(--gray-900); margin: 0; }
.page-subtitle { font-size: .8rem; color: var(--gray-500); margin-top: .15rem; }

/* ── Filter bar ── */
.filter-bar {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: .875rem 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: flex-end;
  box-shadow: var(--shadow-sm);
}

/* ── Peserta pages ── */
.peserta-wrapper {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  flex-direction: column;
}
.peserta-navbar {
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.15);
  padding: .875rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
}
.peserta-navbar .brand { font-weight: 700; font-size: 1.1rem; }
.peserta-content { flex: 1; display: flex; align-items: center; justify-content: center; padding: 2rem 1rem; }
.peserta-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  width: 100%;
  max-width: 580px;
  overflow: hidden;
}
.peserta-card-header {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #fff;
  padding: 2rem 2rem 1.5rem;
  text-align: center;
}
.peserta-card-header h4 { font-size: 1.3rem; font-weight: 700; margin: 0; }
.peserta-card-header p { margin: .4rem 0 0; opacity: .85; font-size: .9rem; }
.peserta-card-body { padding: 2rem; }

/* Tes navbar */
.tes-navbar {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 50;
}
.tes-navbar .brand { font-weight: 700; color: var(--primary); font-size: 1rem; }
.tes-timer {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: .35rem .85rem;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  font-variant-numeric: tabular-nums;
}
.tes-timer.warning { background: var(--danger-light); border-color: var(--danger); color: var(--danger); animation: pulse 1s infinite; }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:.7; } }

/* Soal nav buttons */
.soal-nav-btn {
  width: 36px; height: 36px;
  border-radius: 7px;
  border: 1.5px solid var(--gray-200);
  background: #fff;
  font-size: .8rem;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  transition: var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.soal-nav-btn:hover { border-color: var(--primary); color: var(--primary); }
.soal-nav-btn.answered { background: var(--success); border-color: var(--success); color: #fff; }
.soal-nav-btn.active-q { background: var(--primary); border-color: var(--primary); color: #fff; }

/* Opsi jawaban */
.opsi-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: .85rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: 9px;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: .5rem;
  background: #fff;
}
.opsi-item:hover { border-color: var(--primary); background: var(--primary-light); }
.opsi-item.selected { border-color: var(--primary); background: var(--primary-light); }
.opsi-item input[type=radio] { margin-top: .15rem; accent-color: var(--primary); flex-shrink: 0; }
.opsi-kode { font-weight: 700; color: var(--primary); min-width: 20px; }

/* Progress bar */
.progress-bar-wrap { background: var(--gray-200); border-radius: 99px; height: 6px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: var(--primary); border-radius: 99px; transition: width .3s ease; }

/* ── Utilities ── */
.text-primary { color: var(--primary) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.text-muted   { color: var(--gray-500) !important; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.gap-1 { gap: .25rem; }
.gap-2 { gap: .5rem; }
.gap-3 { gap: .75rem; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-100 { width: 100%; }
.mt-1 { margin-top: .25rem; }
.mt-2 { margin-top: .5rem; }
.mt-3 { margin-top: .75rem; }
.mt-4 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: .25rem; }
.mb-2 { margin-bottom: .5rem; }
.mb-3 { margin-bottom: .75rem; }
.mb-4 { margin-bottom: 1rem; }
.ms-1 { margin-left: .25rem; }
.ms-2 { margin-left: .5rem; }
.me-1 { margin-right: .25rem; }
.me-2 { margin-right: .5rem; }
.p-0 { padding: 0; }
.py-3 { padding-top: .75rem; padding-bottom: .75rem; }
.text-center { text-align: center; }
.text-end { text-align: right; }
.small { font-size: .8rem; }
.d-none { display: none; }
.d-inline { display: inline; }
.d-inline-flex { display: inline-flex; }
.rounded { border-radius: var(--radius); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.overflow-hidden { overflow: hidden; }
.table-responsive { overflow-x: auto; }
.img-fluid { max-width: 100%; height: auto; }

/* ── Modal z-index fix ── */
.modal { z-index: 1055; }
.modal-backdrop { z-index: 1050; }

/* ── Animations ── */
@keyframes fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }
.fade-in { animation: fadeIn .25s ease forwards; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { padding: 1rem; }
  .stat-card .stat-icon { display: none; }
}