:root {
  /* Brand Primary */
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-active: #1e40af;
  --primary-subtle: #eff6ff;
  --primary-border: #bfdbfe;
  
  /* Slate Neutral Palette */
  --slate-50: #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  
  /* Semantic Accent Colors */
  --success: #059669;
  --success-hover: #047857;
  --success-subtle: #ecfdf5;
  --success-border: #a7f3d0;
  
  --danger: #e11d48;
  --danger-hover: #be123c;
  --danger-subtle: #fff1f2;
  --danger-border: #fecdd3;
  
  --warning: #d97706;
  --warning-subtle: #fffbeb;
  --warning-border: #fde68a;
  
  --info: #0284c7;
  --info-subtle: #f0f9ff;
  --info-border: #bae6fd;
  
  /* Layout & Surface */
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  
  /* Radii */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  
  /* Soft Layered Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow: 0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 13.5px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.hidden {
  display: none !important;
}

/* ===============================
   MODERN APP HEADER (ROYAL BLUE ACCENT)
   =============================== */
.app-header {
  background: linear-gradient(135deg, #0f2b5c 0%, #1e40af 60%, #2563eb 100%);
  color: #ffffff;
  padding: 13px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(15, 43, 92, 0.18);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  overflow: hidden;
  background: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  flex-shrink: 0;
}

.brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.app-header h1 {
  font-size: 17.5px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.2;
}

.app-header .badge {
  background: rgba(255, 255, 255, 0.18) !important;
  color: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.28) !important;
  font-weight: 600;
  font-size: 11px;
  backdrop-filter: blur(4px);
}

.brand-tagline {
  font-size: 11.5px;
  color: #bfdbfe;
  font-weight: 500;
  margin-top: 2px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.api-key-badge {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.api-key-badge:hover {
  background: rgba(255, 255, 255, 0.24);
  border-color: rgba(255, 255, 255, 0.38);
}

.status-dot {
  width: 7.5px;
  height: 7.5px;
  border-radius: 50%;
  background: #f87171;
  box-shadow: 0 0 0 2px rgba(248, 113, 113, 0.3);
}

.api-key-badge.active .status-dot {
  background: #4ade80;
  box-shadow: 0 0 0 2.5px rgba(74, 222, 128, 0.35);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 5px 6px 5px 14px;
  border-radius: 24px;
}

.user-name {
  font-weight: 700;
  font-size: 12.5px;
  color: #ffffff;
  line-height: 1.2;
}

.user-sub {
  font-size: 11px;
  color: #bfdbfe;
}

.btn-logout {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 5px 12px;
  border-radius: 16px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-logout:hover {
  background: #e11d48;
  color: #ffffff;
  border-color: #e11d48;
}
  color: var(--danger);
  border-color: var(--danger-border);
}

/* ===============================
   SEGMENTED NAVIGATION TABS
   =============================== */
.dashboard-tabs {
  display: flex;
  gap: 4px;
  padding: 8px 28px;
  border-bottom: 1px solid var(--border);
  background: #ffffff;
  overflow-x: auto;
  scrollbar-width: none;
}

.dashboard-tabs::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--slate-600);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tab-btn:hover {
  color: var(--slate-900);
  background: var(--slate-100);
}

.tab-btn.active {
  color: var(--primary);
  background: var(--primary-subtle);
  border-color: var(--primary-border);
  font-weight: 600;
}

/* Tab Panes */
.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* ===============================
   LAYOUT, GRID & CARDS
   =============================== */
.app-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.view-container {
  padding: 24px 28px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  flex: 1;
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 1024px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s ease;
}

.max-w-700 {
  max-width: 700px;
  margin: 0 auto;
}

.card-header {
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--slate-100);
}

.card-header h3 {
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--slate-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-header p {
  color: var(--text-muted);
  font-size: 12.5px;
  margin-top: 4px;
  line-height: 1.5;
}

/* ===============================
   FORM CONTROLS & INPUTS
   =============================== */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 12.5px;
  margin-bottom: 6px;
  color: var(--slate-800);
  letter-spacing: -0.01em;
}

.req {
  color: var(--danger);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font-size: 13.5px;
  font-family: inherit;
  color: var(--slate-900);
  background-color: white;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

/* Custom Sleek Dropdown Select Arrow */
select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 15px;
  padding-right: 36px;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

select:disabled, input:disabled {
  background: var(--slate-100);
  color: var(--slate-500);
  cursor: not-allowed;
  border-color: var(--slate-200);
}

.form-row {
  display: flex;
  gap: 16px;
}

.form-row .col {
  flex: 1;
}

.text-muted {
  color: var(--slate-500);
  font-size: 12px;
}

/* ===============================
   BUTTON SYSTEM (REFINED)
   =============================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  line-height: 1.4;
}

.btn-primary {
  background: var(--primary);
  color: white;
  box-shadow: var(--shadow-xs);
}

.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.22);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: white;
  color: var(--slate-700);
  border: 1px solid var(--slate-300);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: var(--slate-50);
  border-color: var(--slate-400);
  color: var(--slate-900);
}

.btn-success {
  background: var(--success);
  color: white;
  box-shadow: var(--shadow-xs);
}

.btn-success:hover {
  background: var(--success-hover);
  box-shadow: 0 4px 12px rgba(5, 150, 105, 0.22);
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--danger);
  color: white;
  box-shadow: var(--shadow-xs);
}

.btn-danger:hover {
  background: var(--danger-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background: white;
  border: 1px solid var(--slate-300);
  color: var(--slate-700);
  box-shadow: var(--shadow-xs);
}

.btn-outline:hover {
  background: var(--slate-50);
  border-color: var(--primary);
  color: var(--primary);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  padding: 12px 22px;
  font-size: 14.5px;
  border-radius: 9px;
}

.btn-sm {
  padding: 5px 11px;
  font-size: 12px;
  border-radius: 6px;
}

.btn-xs {
  padding: 3px 8px;
  font-size: 11px;
  border-radius: 5px;
}

.button-group {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

/* ===============================
   BLOOM TAXONOMY LEVEL GRID
   =============================== */
.level-box {
  background: var(--slate-50);
  border: 1px solid var(--slate-200);
  padding: 16px;
  border-radius: 12px;
  margin-bottom: 20px;
}

.level-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 12.5px;
}

.level-header strong {
  color: var(--slate-800);
}

.level-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 640px) {
  .level-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.level-item {
  background: white;
  border: 1px solid var(--slate-200);
  border-radius: 8px;
  padding: 8px 10px;
  transition: border-color 0.15s ease;
}

.level-item:focus-within {
  border-color: var(--primary);
}

.level-item label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--slate-600);
  margin-bottom: 4px;
}

.level-item input {
  padding: 4px 6px;
  font-size: 12.5px;
  font-weight: 600;
  text-align: center;
  border: 1px solid var(--slate-200);
  background: var(--slate-50);
}

/* ===============================
   BADGES & PILLS
   =============================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.3;
}

.badge-subtle {
  background: var(--slate-100);
  color: var(--slate-700);
  border: 1px solid var(--slate-200);
}

.badge-success {
  background: var(--success-subtle);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-secondary {
  background: var(--slate-100);
  color: var(--slate-600);
  border: 1px solid var(--slate-200);
}

.badge-danger {
  background: var(--danger-subtle);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.code-pill {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12.5px;
  font-weight: 700;
  background: var(--primary-subtle);
  color: var(--primary-active);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--primary-border);
}

/* ===============================
   EXPORT BANNER & ACTIONS (ELEGANT)
   =============================== */
.export-banner {
  background: white;
  border: 1px solid var(--slate-200);
  border-top: 4px solid var(--success);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}

.banner-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.banner-title h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--slate-900);
  letter-spacing: -0.01em;
}

.export-actions {
  margin-top: 16px;
}

.export-sub-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.preview-header {
  margin-top: 24px;
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.preview-header h4 {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--slate-900);
}

/* ===============================
   ACCORDION SOAL
   =============================== */
.soal-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 12px;
  background: white;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: all 0.15s ease;
}

.soal-card:hover {
  border-color: var(--slate-300);
  box-shadow: var(--shadow-sm);
}

.soal-card-header {
  padding: 13px 18px;
  background: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: background 0.15s ease;
}

.soal-card-header:hover {
  background: var(--slate-50);
}

.soal-num {
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-subtle);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 12px;
}

.soal-card-body {
  padding: 20px;
  border-top: 1px solid var(--slate-100);
  background: white;
  line-height: 1.6;
}

/* ===============================
   STATES: EMPTY & LOADING
   =============================== */
.empty-state, .loading-state {
  text-align: center;
  padding: 60px 24px;
}

.empty-icon {
  font-size: 44px;
  margin-bottom: 14px;
  opacity: 0.9;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--slate-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  margin: 0 auto 18px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===============================
   AUTH / LOGIN CARD (ELEVATED SAAS)
   =============================== */
.login-card {
  max-width: 460px;
  margin: 36px auto;
  background: white;
  padding: 36px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
}

.login-brand-banner {
  text-align: center;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.login-brand-img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.18);
  object-fit: cover;
  margin-bottom: 12px;
  border: 1px solid var(--slate-100);
}

.login-brand-title {
  font-size: 21px;
  font-weight: 800;
  color: var(--slate-900);
  margin: 0;
  letter-spacing: -0.03em;
}

.login-brand-sub {
  font-size: 12.5px;
  color: var(--text-muted);
  margin: 4px 0 0;
}

.auth-toggle-tabs {
  display: flex;
  background: var(--slate-100);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
  border: 1px solid var(--slate-200);
}

.auth-toggle-btn {
  flex: 1;
  padding: 8px 10px;
  border: none;
  background: transparent;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  color: var(--slate-600);
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-toggle-btn.active {
  background: white;
  color: var(--slate-900);
  box-shadow: var(--shadow-xs);
}

.login-header {
  text-align: center;
  margin-bottom: 20px;
}

.login-header h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--slate-900);
  letter-spacing: -0.01em;
}

.login-header p {
  font-size: 12px;
  color: var(--slate-500);
  margin-top: 4px;
}

.login-hint {
  text-align: center;
  margin-top: 16px;
  color: var(--slate-500);
  font-size: 12px;
}

/* ===============================
   MODALS
   =============================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal-card {
  background: white;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  animation: modalEnter 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalEnter {
  from { opacity: 0; transform: scale(0.97) translateY(6px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--slate-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.modal-header h3 {
  font-size: 15.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--slate-900);
}

.btn-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--slate-400);
  line-height: 1;
  padding: 4px;
  border-radius: 6px;
  transition: color 0.15s ease;
}

.btn-close:hover {
  color: var(--slate-800);
}

.modal-body {
  padding: 22px;
  overflow-y: auto;
  max-height: calc(90vh - 130px);
}

.modal-footer {
  padding: 14px 22px;
  background: var(--slate-50);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  border-top: 1px solid var(--slate-200);
  flex-shrink: 0;
}

/* Callouts & Alert Boxes */
.info-guide {
  background: var(--warning-subtle);
  border: 1px solid var(--warning-border);
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 12px;
  margin: 14px 0;
  color: #78350f;
}

.info-guide ol {
  margin-left: 18px;
  margin-top: 6px;
}

.info-callout {
  background: var(--slate-50);
  border-left: 4px solid var(--primary);
  border-top: 1px solid var(--slate-200);
  border-right: 1px solid var(--slate-200);
  border-bottom: 1px solid var(--slate-200);
  padding: 12px 14px;
  font-size: 12.5px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 16px;
  color: var(--slate-700);
}

.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  margin-bottom: 14px;
  line-height: 1.45;
}

.alert-danger {
  background: var(--danger-subtle);
  border: 1px solid var(--danger-border);
  color: var(--danger);
}

.alert-success {
  background: var(--success-subtle);
  border: 1px solid var(--success-border);
  color: var(--success);
}

.alert-info {
  background: var(--info-subtle);
  border: 1px solid var(--info-border);
  color: var(--info);
}

.text-clamp {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===============================
   DATA TABLES & STATS
   =============================== */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th, .data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.data-table th {
  background: var(--slate-50);
  font-weight: 600;
  font-size: 12px;
  color: var(--slate-600);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.admin-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.stat-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.stat-icon {
  font-size: 32px;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.stat-label {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--slate-500);
  margin-top: 4px;
}

/* ===============================
   API KEY TOGGLE & QRIS UI
   =============================== */
.input-with-button {
  display: flex;
  gap: 8px;
  align-items: center;
}

.input-with-button input {
  flex: 1;
}

.masked-key {
  -webkit-text-security: disc;
  font-family: ui-monospace, SFMono-Regular, monospace;
  letter-spacing: 1px;
}

.masked-key.revealed {
  -webkit-text-security: none;
  letter-spacing: normal;
}

.qris-card {
  text-align: center;
  padding: 10px 0;
}

.qris-header {
  margin-bottom: 16px;
}

.sandbox-simulator-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 12px;
  padding: 16px;
  margin: 16px 0;
  text-align: center;
}

.sandbox-badge {
  display: inline-block;
  background: #16a34a;
  color: white;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.qris-waiting {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--slate-600);
  font-size: 12.5px;
  margin-top: 10px;
}

.spinner-small {
  width: 15px;
  height: 15px;
  border: 2px solid var(--slate-300);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ===============================
   FOOTER
   =============================== */
.app-footer {
  background: white;
  border-top: 1px solid var(--border);
  padding: 22px 28px;
  margin-top: auto;
  text-align: center;
  color: var(--slate-500);
  font-size: 12.5px;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}

.copyright-text {
  color: var(--slate-700);
  font-weight: 500;
}

.copyright-text strong {
  color: var(--primary);
  font-weight: 700;
}

.creator-text {
  font-size: 12px;
  color: var(--slate-500);
}

.creator-text strong {
  color: var(--slate-800);
  font-weight: 600;
}

/* ===============================
   PROFIL & KOP SEKOLAH
   =============================== */
.kop-mode-card {
  user-select: none;
}
.kop-mode-card:hover {
  border-color: var(--primary) !important;
  background: #f8fafc !important;
}
.kop-mode-card.active {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 1px var(--primary);
  background: #f0fdf4 !important;
}
@media (max-width: 860px) {
  .kop-custom-grid {
    grid-template-columns: 1fr !important;
  }
}