/* ============================================
   qz.css – MSNS Quiz & News Module
   Complete Light Glassmorphic Design System
   (Red & Gold Theme)
   ============================================ */

:root {
  --surface-color: #ffffff;
  --surface-card: #ffffff;
  --surface-hover: #fefce8;
  --primary-color: #dc2626;
  --primary-hover: #b91c1c;
  --primary-glow: rgba(220, 38, 38, 0.3);
  --gold-accent: #b45309;
  --gold-glow: rgba(180, 83, 9, 0.25);
  --text-main: #0f172a;
  --text-muted: #71717a;
  --border-color: rgba(0, 0, 0, 0.1);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --danger-color: #dc2626;
  --danger-hover: #b91c1c;
  --success-color: #16a34a;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
}

/* ----- Global Reset Overrides for Quiz Page ----- */
.qz-page-wrap *,
.qz-modal-overlay * {
  box-sizing: border-box;
}

.qz-page-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 20px 60px;
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', sans-serif;
}

/* ----- State Cards ----- */
.state-card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  max-width: 450px;
  margin: 40px auto;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(10px);
}

.state-card i {
  font-size: 2.8rem;
  color: var(--primary-color);
  margin-bottom: 16px;
}

.spin {
  animation: qz-spin 1s linear infinite;
}

@keyframes qz-spin {
  100% { transform: rotate(360deg); }
}

/* ----- Teacher & Student Header Cards ----- */
.qz-teacher-header,
.qz-student-header {
  display: flex;
  align-items: center;
  gap: 18px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(254, 252, 232, 0.9));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px 26px;
  margin-bottom: 28px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(12px);
  flex-wrap: wrap;
}

.qz-teacher-avatar,
.qz-student-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--primary-glow);
  border: 2px solid rgba(234, 179, 8, 0.4);
}

.qz-teacher-name,
.qz-student-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.qz-teacher-subject,
.qz-student-class {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.qz-logout-btn {
  margin-left: auto;
}

/* ----- Tabs Navigation ----- */
.qz-tabs {
  display: flex;
  gap: 6px;
  background: var(--surface-card);
  border-radius: 16px;
  padding: 6px;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
}

.qz-tab {
  flex: 1;
  padding: 12px 20px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.92rem;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.qz-tab:hover {
  color: #0f172a;
  background: rgba(220, 38, 38, 0.06);
}

.qz-tab.active {
  background: var(--primary-color);
  color: #ffffff !important;
  box-shadow: 0 6px 20px var(--primary-glow);
}

.qz-tab-content {
  display: none;
  animation: qzFadeIn 0.35s ease-out;
}

.qz-tab-content.active {
  display: block;
}

@keyframes qzFadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ----- Toolbar ----- */
.qz-toolbar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}

/* ----- Input, Select, Textarea Strict Overrides ----- */
.qz-page-wrap input[type="text"],
.qz-page-wrap input[type="number"],
.qz-page-wrap select,
.qz-page-wrap textarea,
.qz-modal-overlay input[type="text"],
.qz-modal-overlay input[type="number"],
.qz-modal-overlay select,
.qz-modal-overlay textarea,
.custom-input,
.custom-select {
  width: 100% !important;
  padding: 12px 16px !important;
  background: #ffffff !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  color: #0f172a !important;
  font-size: 0.92rem !important;
  font-family: inherit !important;
  outline: none !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease !important;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.03) !important;
}

.qz-page-wrap input:focus,
.qz-page-wrap select:focus,
.qz-page-wrap textarea:focus,
.qz-modal-overlay input:focus,
.qz-modal-overlay select:focus,
.qz-modal-overlay textarea:focus,
.custom-input:focus,
.custom-select:focus {
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 0 3px var(--primary-glow) !important;
}

.qz-page-wrap select option,
.qz-modal-overlay select option,
.custom-select option {
  background: #ffffff !important;
  color: #0f172a !important;
  padding: 10px !important;
}

/* Custom File Input Upload Button Styling */
.qz-page-wrap input[type="file"],
.qz-modal-overlay input[type="file"] {
  background: rgba(254, 252, 232, 0.6) !important;
  padding: 8px 12px !important;
  border: 1px dashed var(--border-color) !important;
  border-radius: var(--radius-md) !important;
  color: var(--text-muted) !important;
  cursor: pointer;
}

.qz-page-wrap input[type="file"]::file-selector-button,
.qz-modal-overlay input[type="file"]::file-selector-button {
  background: var(--surface-hover) !important;
  border: 1px solid rgba(234, 179, 8, 0.35) !important;
  color: #b45309 !important;
  padding: 6px 14px !important;
  border-radius: var(--radius-sm) !important;
  margin-right: 12px !important;
  cursor: pointer;
  font-weight: 600 !important;
  transition: all 0.2s ease;
}

.qz-page-wrap input[type="file"]::file-selector-button:hover,
.qz-modal-overlay input[type="file"]::file-selector-button:hover {
  background: var(--primary-color) !important;
  color: #ffffff !important;
  border-color: var(--primary-color) !important;
}

/* ----- Buttons System Overrides ----- */
.qz-page-wrap .btn,
.qz-modal-overlay .btn,
.btn {
  padding: 10px 20px !important;
  border-radius: var(--radius-md) !important;
  border: none !important;
  font-weight: 700 !important;
  font-size: 0.88rem !important;
  font-family: inherit !important;
  cursor: pointer !important;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1) !important;
  text-decoration: none !important;
  line-height: 1.2 !important;
}

.btn-primary {
  background: var(--primary-color) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px var(--primary-glow) !important;
}

.btn-primary:hover {
  background: var(--primary-hover) !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow) !important;
}

.btn-primary:disabled {
  opacity: 0.5 !important;
  cursor: not-allowed !important;
  transform: none !important;
  box-shadow: none !important;
}

.btn-ghost {
  background: rgba(0, 0, 0, 0.03) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border-color) !important;
}

.btn-ghost:hover {
  background: rgba(0, 0, 0, 0.07) !important;
  color: #0f172a !important;
  border-color: rgba(0, 0, 0, 0.2) !important;
}

.btn-danger {
  background: rgba(220, 38, 38, 0.1) !important;
  color: #b91c1c !important;
  border: 1px solid rgba(220, 38, 38, 0.35) !important;
}

.btn-danger:hover {
  background: var(--danger-color) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(220, 38, 38, 0.4) !important;
}

.btn-sm {
  padding: 8px 14px !important;
  font-size: 0.82rem !important;
  border-radius: var(--radius-sm) !important;
}

/* ----- Quiz & News Cards Grid ----- */
.qz-card-grid,
.qz-news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}

.qz-card,
.qz-news-card {
  background: var(--surface-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.qz-news-card {
  padding: 0;
  overflow: hidden;
}

.qz-card:hover,
.qz-news-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12), 0 0 15px var(--primary-glow);
}

.qz-card-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.qz-icon {
  color: var(--gold-accent);
  font-size: 1.3rem;
  margin-top: 2px;
}

.qz-card-title {
  font-weight: 800;
  font-size: 1.1rem;
  color: #0f172a;
  line-height: 1.35;
}

.qz-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.qz-card-actions {
  display: flex;
  gap: 10px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.qz-news-img {
  width: 100%;
  height: 190px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
}

.qz-news-body {
  padding: 20px;
}

.qz-news-body h4 {
  font-weight: 800;
  font-size: 1.1rem;
  color: #0f172a;
  margin-bottom: 8px;
}

.qz-news-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.6;
  margin-bottom: 14px;
}

.qz-news-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  padding-top: 12px;
}

/* ----- Empty State ----- */
.qz-empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--surface-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.qz-empty-state i {
  font-size: 3rem;
  margin-bottom: 14px;
  color: var(--primary-color);
  opacity: 0.7;
}

/* ==========================================================
   MODAL SYSTEM & OVERLAYS
   ========================================================== */
.qz-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 16px;
}

.qz-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.qz-modal-full {
  background: #ffffff;
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 880px;
  height: 90vh;
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2), 0 0 30px rgba(220, 38, 38, 0.15);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.qz-modal-overlay.open .qz-modal-full {
  transform: scale(1);
}

.qz-modal-sm {
  max-width: 560px;
  height: auto;
  max-height: 88vh;
}

.qz-modal-header {
  padding: 20px 28px;
  background: rgba(254, 252, 232, 0.9);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.qz-modal-header h2 {
  font-size: 1.25rem;
  font-weight: 800;
  color: #0f172a;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
}

.qz-modal-close {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.qz-modal-close:hover {
  background: var(--danger-color);
  color: #ffffff;
  border-color: var(--danger-color);
}

.qz-modal-body {
  padding: 28px;
  overflow-y: auto;
  flex: 1;
}

.qz-modal-footer {
  padding: 18px 28px;
  background: rgba(254, 252, 232, 0.9);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 14px;
  flex-shrink: 0;
}

/* Modal Form Section Spacing */
.qz-section {
  margin-bottom: 22px;
}

.qz-details-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.qz-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.qz-label {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

/* ----- Question Builder & MCQ Controls ----- */
.qz-mcq-controls {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-items: flex-end;
  background: rgba(0, 0, 0, 0.02);
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.qz-questions-container {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin: 20px 0;
  max-height: 520px;
  overflow-y: auto;
  padding-right: 6px;
}

.qz-question-block {
  background: #fefce8;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.qz-q-num {
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--primary-color);
  margin-bottom: 14px;
  display: inline-block;
}

.qz-answers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.qz-answer-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.qz-answer-item:hover {
  border-color: var(--primary-color);
  background: rgba(220, 38, 38, 0.06);
}

.qz-answer-item.correct {
  border-color: var(--success-color) !important;
  background: rgba(22, 163, 74, 0.1) !important;
  box-shadow: 0 0 12px rgba(22, 163, 74, 0.2);
}

.qz-answer-letter {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.qz-answer-item.correct .qz-answer-letter {
  background: var(--success-color);
  color: #ffffff;
}

.qz-answer-item input {
  flex: 1;
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  padding: 6px 0 !important;
}

/* ----- Analysis Table ----- */
.qz-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 16px;
}

.qz-table {
  width: 100%;
  border-collapse: collapse;
}

.qz-table th, 
.qz-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  font-size: 0.9rem;
}

.qz-table th {
  background: rgba(254, 252, 232, 0.9);
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ----- Toast Notification ----- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  color: #0f172a;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10000;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.error { border-color: var(--danger-color); color: #b91c1c; }
.toast.ok { border-color: var(--success-color); color: #16a34a; }

/* Custom Light Scrollbar */
.qz-modal-body::-webkit-scrollbar,
.qz-questions-container::-webkit-scrollbar {
  width: 6px;
}

.qz-modal-body::-webkit-scrollbar-track,
.qz-questions-container::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.05);
}

.qz-modal-body::-webkit-scrollbar-thumb,
.qz-questions-container::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 10px;
}

.qz-modal-body::-webkit-scrollbar-thumb:hover,
.qz-questions-container::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Responsive Adjustments */
@media (max-width: 640px) {
  .qz-details-row,
  .qz-answers-grid {
    grid-template-columns: 1fr;
  }
  .qz-teacher-header,
  .qz-student-header {
    flex-direction: column;
    text-align: center;
  }
  .qz-logout-btn {
    margin-left: 0;
    width: 100%;
  }
  .qz-modal-full {
    height: 95vh;
    border-radius: 18px;
  }
  .qz-modal-header,
  .qz-modal-body,
  .qz-modal-footer {
    padding: 16px 20px;
  }
}