/* ============================================================================
 * SISTEM MONITORING KOMPETENSI, SERTIFIKASI & LMS KUIS KARYAWAN
 * File: styles.css (Human-Crafted Anti-AI Design, Mobile-Friendly & Fluid Table)
 * ============================================================================ */

:root {
  --bg-body: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --bg-navy: #0F172A;
  --bg-navy-light: #1E293B;
  --text-main: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --border-strong: #CBD5E1;

  --primary: #1D4ED8;
  --primary-hover: #1E40AF;
  --primary-soft: #EFF6FF;

  --emerald: #059669;
  --emerald-soft: #ECFDF5;
  --amber: #D97706;
  --amber-soft: #FFFBEB;
  --purple: #7C3AED;
  --purple-soft: #F5F3FF;
  --rose: #E11D48;
  --rose-soft: #FFF1F2;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 28px -6px rgba(15, 23, 42, 0.14);
}

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

body {
  font-family: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ============================================================================
 * LAYOUT & NAVIGATION (SIDEBAR + TOPBAR + MOBILE OVERFLOW DRAWER)
 * ============================================================================ */

.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 268px;
  background: var(--bg-navy);
  color: #F8FAFC;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
}

.sidebar-brand {
  padding: 20px 20px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  flex-shrink: 0;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.35);
}

.brand-text h1 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.brand-text p {
  font-size: 0.75rem;
  color: #94A3B8;
  margin-top: 2px;
}

.sidebar-nav {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748B;
  font-weight: 700;
  padding: 10px 12px 6px;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  padding: 11px 13px;
  border: none;
  background: transparent;
  color: #CBD5E1;
  font-size: 0.875rem;
  font-weight: 500;
  text-align: left;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.nav-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.85;
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #FFFFFF;
}

.nav-btn.active {
  background: var(--primary);
  color: #FFFFFF;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(29, 78, 216, 0.35);
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  color: #94A3B8;
}

.sync-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  margin-bottom: 8px;
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
  flex-shrink: 0;
}

.sync-dot.local {
  background: #F59E0B;
}

.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Top Header */
.topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 30;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-trigger {
  display: none;
  background: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  color: var(--text-main);
}

.page-title-wrap h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
}

.page-title-wrap p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.content-container {
  padding: 24px;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

/* ============================================================================
 * METRIC CARDS (GRID 2-4 KOLOM ANTI-TUMPUK VERTIKAL)
 * ============================================================================ */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.metric-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.metric-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.metric-icon {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.metric-icon.blue { background: var(--primary-soft); color: var(--primary); }
.metric-icon.emerald { background: var(--emerald-soft); color: var(--emerald); }
.metric-icon.amber { background: var(--amber-soft); color: var(--amber); }
.metric-icon.purple { background: var(--purple-soft); color: var(--purple); }

.metric-value {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.metric-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Level Distribution Strip */
.level-strip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.level-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.level-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.progress-track {
  width: 100%;
  height: 7px;
  background: var(--bg-subtle);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 4px;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.35s ease;
}

.progress-fill.blue { background: var(--primary); }
.progress-fill.emerald { background: var(--emerald); }
.progress-fill.amber { background: var(--amber); }
.progress-fill.purple { background: var(--purple); }

/* ============================================================================
 * PANELS, FILTER BAR & FLUID RESPONSIVE TABLES (BARIS GENDUT RAPI)
 * ============================================================================ */

.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 22px;
  overflow: hidden;
}

.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.panel-title h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.panel-title p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.panel-body {
  padding: 18px 20px;
}

.filter-bar {
  display: grid;
  grid-template-columns: 2fr repeat(4, 1fr);
  gap: 10px;
  padding: 14px 20px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-color);
}

.input-control,
.select-control,
.textarea-control {
  width: 100%;
  padding: 9px 12px;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--text-main);
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.input-control:focus,
.select-control:focus,
.textarea-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.14);
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: clamp(0.75rem, 1.05vw, 0.86rem);
}

.data-table th {
  background: #F8FAFC;
  color: var(--text-secondary);
  font-weight: 700;
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  font-size: clamp(0.7rem, 0.95vw, 0.78rem);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.data-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
  word-break: break-word;
  white-space: normal;
  line-height: 1.45;
}

.data-table tbody tr {
  transition: background-color 0.15s ease;
}

.data-table tbody tr:hover {
  background-color: #F8FAFC;
}

/* ============================================================================
 * BADGES & BUTTONS (MICRO-INTERACTIONS)
 * ============================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 0.73rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.badge-blue { background: var(--primary-soft); color: var(--primary); border: 1px solid #BFDBFE; }
.badge-emerald { background: var(--emerald-soft); color: var(--emerald); border: 1px solid #A7F3D0; }
.badge-amber { background: var(--amber-soft); color: var(--amber); border: 1px solid #FDE68A; }
.badge-purple { background: var(--purple-soft); color: var(--purple); border: 1px solid #DDD6FE; }
.badge-rose { background: var(--rose-soft); color: var(--rose); border: 1px solid #FECDD3; }
.badge-slate { background: var(--bg-subtle); color: var(--text-secondary); border: 1px solid var(--border-strong); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 14px;
  font-size: 0.83rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  line-height: 1.3;
}

.btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: #FFFFFF;
}
.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(29, 78, 216, 0.25);
}

.btn-emerald {
  background: var(--emerald);
  color: #FFFFFF;
}
.btn-emerald:hover:not(:disabled) {
  background: #047857;
  transform: translateY(-1px);
}

.btn-outline {
  background: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-strong);
}
.btn-outline:hover:not(:disabled) {
  background: var(--bg-subtle);
  border-color: #94A3B8;
}

.btn-danger-soft {
  background: var(--rose-soft);
  color: var(--rose);
  border-color: #FECDD3;
}
.btn-danger-soft:hover:not(:disabled) {
  background: #FFE4E6;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.76rem;
}

.action-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* Sub-tabs for Master Data & Matrix Switch */
.subtabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.subtab-btn {
  padding: 8px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.subtab-btn:hover {
  background: var(--bg-subtle);
}

.subtab-btn.active {
  background: var(--bg-navy);
  color: #FFFFFF;
  border-color: var(--bg-navy);
}

/* Pagination Footer */
.pagination-bar {
  padding: 12px 20px;
  background: #F8FAFC;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
  gap: 10px;
}

/* ============================================================================
 * MODAL DIALOG & TOAST NOTIFICATION (CUSTOM ANTI-BROWSER ALERT)
 * ============================================================================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
}

.modal-backdrop.open {
  display: flex;
}

.modal-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.modal-card.modal-lg {
  max-width: 880px;
}

.modal-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}
.modal-close:hover {
  background: var(--bg-subtle);
  color: var(--text-main);
}

.modal-body {
  padding: 20px 22px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border-color);
  background: #F8FAFC;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.toast-stack {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 150;
  max-width: 380px;
}

.toast-item {
  background: var(--bg-navy);
  color: #FFFFFF;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: 0.84rem;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 4px solid #3B82F6;
}

.toast-item.success { border-left-color: #10B981; }
.toast-item.error { border-left-color: #F43F5E; }
.toast-item.warning { border-left-color: #F59E0B; }

/* ============================================================================
 * PARTICIPANT QUIZ MODE (?quiz=ID_PAKET)
 * ============================================================================ */

.quiz-portal-wrap {
  min-height: 100vh;
  background: linear-gradient(180deg, #0F172A 0%, #1E293B 240px, #F8FAFC 240px);
  padding: 28px 16px 60px;
}

.quiz-container {
  max-width: 720px;
  margin: 0 auto;
}

.quiz-header-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  border-top: 6px solid var(--primary);
  margin-bottom: 18px;
}

.quiz-timer-banner {
  position: sticky;
  top: 12px;
  z-index: 40;
  background: var(--bg-navy);
  color: #FFFFFF;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  box-shadow: var(--shadow-md);
}

.question-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}

.option-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 11px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-top: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 0.88rem;
}

.option-label:hover {
  background: var(--primary-soft);
  border-color: #93C5FD;
}

.option-label input[type="radio"] {
  margin-top: 3px;
}

/* ============================================================================
 * RESPONSIVE BREAKPOINTS (MOBILE & TABLET)
 * ============================================================================ */

@media (max-width: 1024px) {
  .metrics-grid,
  .level-strip-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .filter-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -280px;
    top: 0;
    bottom: 0;
    transition: left 0.25s ease;
  }
  .sidebar.mobile-open {
    left: 0;
  }
  .mobile-menu-trigger {
    display: inline-flex;
  }
  .topbar {
    padding: 12px 16px;
  }
  .content-container {
    padding: 14px;
  }
  .metrics-grid,
  .level-strip-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .metric-card {
    padding: 14px;
  }
  .metric-value {
    font-size: 1.3rem;
  }
  .filter-bar,
  .form-grid {
    grid-template-columns: 1fr;
  }
}