/* ==========================================================================
   TestReach Official Aptis Examination System Stylesheet
   Exact Reproduction of TestReach UI (admin.testreach.com)
   ========================================================================== */

:root {
  --tr-purple: #240f54;
  --tr-purple-hover: #1b0a40;
  --tr-purple-light: #f5f3ff;
  --tr-text-black: #111827;
  --tr-text-dark: #1f2937;
  --tr-text-muted: #4b5563;
  --tr-text-light: #9ca3af;
  --tr-border: #e5e7eb;
  --tr-border-dark: #d1d5db;
  --tr-bg-white: #ffffff;
  --tr-bg-light: #f9fafb;
  --tr-bookmark-active: #d97706;
  --tr-bookmark-bg: #fef3c7;
  --tr-radius-sm: 4px;
  --tr-radius-md: 6px;
  --tr-radius-lg: 8px;
  --tr-font: Arial, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, sans-serif;
  --tr-shadow-bottom: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: var(--tr-font);
  background-color: var(--tr-bg-white);
  color: var(--tr-text-dark);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* -------------------------------------------------------------
   1. TestReach Header (Screen 1 & Top Bar)
   ------------------------------------------------------------- */
.tr-header {
  background-color: #ffffff;
  height: 60px;
  border-bottom: 1px solid var(--tr-border);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 50;
}

.tr-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  cursor: pointer;
}

.tr-logo-icon {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  width: 22px;
  height: 22px;
}

.tr-logo-icon span {
  background-color: var(--tr-purple);
  border-radius: 3px;
}

.tr-header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Timer display in header */
.tr-header-timer {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--tr-purple);
  background: var(--tr-purple-light);
  padding: 6px 14px;
  border-radius: var(--tr-radius-md);
  border: 1px solid #ddd6fe;
}

.tr-header-timer.warning {
  background: #fef2f2;
  color: #dc2626;
  border-color: #fecaca;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.tr-user-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.tr-avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #1e1e24;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

/* -------------------------------------------------------------
   2. Assessment Preview Screen (User Screenshot 1)
   ------------------------------------------------------------- */
.tr-preview-container {
  max-width: 920px;
  margin: 60px auto 100px;
  padding: 0 40px;
}

.tr-preview-eyebrow {
  font-size: 18px;
  color: #374151;
  margin-bottom: 8px;
  font-weight: 400;
}

.tr-preview-title {
  font-size: 28px;
  font-weight: 600;
  color: var(--tr-text-black);
  margin-bottom: 32px;
  line-height: 1.3;
}

.tr-preview-meta {
  display: flex;
  align-items: flex-start;
  gap: 60px;
  margin-bottom: 28px;
}

.tr-meta-col {
  display: flex;
  flex-direction: column;
}

.tr-meta-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--tr-text-black);
  margin-bottom: 6px;
}

.tr-meta-val {
  font-size: 15px;
  color: #374151;
}

.tr-description-heading {
  font-size: 14px;
  font-weight: 700;
  color: var(--tr-text-black);
  margin-bottom: 28px;
}

.tr-btn-start {
  background-color: var(--tr-purple);
  color: #ffffff;
  border: none;
  border-radius: var(--tr-radius-sm);
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background-color 0.15s;
}

.tr-btn-start:hover {
  background-color: var(--tr-purple-hover);
}

.tr-card-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tr-btn-continue {
  background-color: var(--tr-purple);
  color: #ffffff;
  padding: 10px 20px;
  border-radius: var(--tr-radius-sm);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background-color 0.15s;
}

.tr-btn-continue:hover {
  background-color: var(--tr-purple-hover);
}

.tr-btn-reset {
  background-color: #ffffff;
  color: #4b5563;
  border: 1px solid #d1d5db;
  padding: 9px 18px;
  border-radius: var(--tr-radius-sm);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
}

.tr-btn-reset:hover {
  border-color: #dc2626;
  color: #dc2626;
  background-color: #fef2f2;
}

.tr-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 9999px;
  margin-top: 8px;
}

.tr-status-badge.in-progress {
  background-color: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}

/* -------------------------------------------------------------
   3. Instructions Screen (User Screenshot 2)
   ------------------------------------------------------------- */
.tr-exam-container {
  min-height: calc(100vh - 60px - 70px);
  padding: 40px 40px 100px;
  max-width: 960px;
  margin: 0 auto;
}

.tr-instructions-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--tr-text-black);
  margin-bottom: 28px;
}

.tr-instructions-section {
  font-size: 15px;
  font-weight: 700;
  color: var(--tr-text-black);
  margin-bottom: 20px;
}

.tr-instructions-body {
  font-size: 15px;
  line-height: 2.2;
  color: var(--tr-text-dark);
}

.tr-instructions-footer-note {
  margin-top: 36px;
  font-size: 15px;
  color: var(--tr-text-dark);
}

/* -------------------------------------------------------------
   4. Question Screen & Stage Header
   ------------------------------------------------------------- */
.tr-question-stage {
  margin-bottom: 28px;
}

.tr-stage-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--tr-border);
  padding-bottom: 14px;
  margin-bottom: 24px;
}

.tr-stage-eyebrow {
  font-size: 12px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--tr-purple);
  font-weight: 700;
  margin-bottom: 4px;
}

.tr-stage-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--tr-text-black);
}

.tr-btn-bookmark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--tr-border-dark);
  color: var(--tr-text-muted);
  padding: 6px 14px;
  border-radius: var(--tr-radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}

.tr-btn-bookmark:hover {
  border-color: var(--tr-bookmark-active);
  color: var(--tr-bookmark-active);
}

.tr-btn-bookmark.bookmarked {
  background-color: var(--tr-bookmark-bg);
  border-color: var(--tr-bookmark-active);
  color: var(--tr-bookmark-active);
  font-weight: 600;
}

.tr-question-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--tr-text-black);
  margin-bottom: 24px;
}

/* Grammar Multiple Choice Table Layout (Exact Match of Screenshot 3) */
.tr-grammar-container {
  max-width: 860px;
  margin: 0 auto;
}

.tr-grammar-sentence {
  font-size: 17px;
  line-height: 1.6;
  color: #111827;
  margin-bottom: 28px;
  font-weight: 400;
}

.tr-grammar-table {
  width: 100%;
  border: 1px solid #d1d5db;
  border-radius: 3px;
  background-color: #ffffff;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.tr-grammar-row {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid #e5e7eb;
  cursor: pointer;
  background-color: #f9fafb;
  transition: background-color 0.15s ease;
  user-select: none;
  min-height: 56px;
}

.tr-grammar-row:last-child {
  border-bottom: none;
}

.tr-grammar-row:hover {
  background-color: #f1f5f9;
}

.tr-grammar-row.selected {
  background-color: #f3f0fa;
}

.tr-grammar-letter {
  width: 64px;
  min-width: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 400;
  color: #111827;
  border-right: 1px solid #e5e7eb;
  background-color: #ffffff;
  transition: all 0.15s ease;
}

.tr-grammar-row.selected .tr-grammar-letter {
  background-color: var(--tr-purple);
  color: #ffffff;
  font-weight: 600;
}

.tr-grammar-text {
  flex: 1;
  padding: 16px 24px;
  font-size: 16px;
  color: #111827;
  display: flex;
  align-items: center;
}

.tr-grammar-row.selected .tr-grammar-text {
  color: var(--tr-purple);
  font-weight: 500;
}

/* Vocabulary Drop-Down Layout (Exact Match of Screenshot 4) */
.tr-vocab-container {
  max-width: 860px;
  margin: 0 auto;
}

.tr-vocab-instruction {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 32px;
  line-height: 1.5;
}

.tr-vocab-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.tr-vocab-sentence-row {
  font-size: 16px;
  color: #111827;
  line-height: 2.2;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.tr-vocab-dropdown {
  appearance: none;
  -webkit-appearance: none;
  background-color: #ffffff;
  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='%234b5563' 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 10px center;
  background-size: 14px;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  padding: 6px 34px 6px 14px;
  font-size: 15px;
  font-family: inherit;
  color: #1f2937;
  min-width: 140px;
  height: 38px;
  cursor: pointer;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.tr-vocab-dropdown:focus {
  outline: none;
  border-color: var(--tr-purple);
  box-shadow: 0 0 0 2px rgba(36, 15, 84, 0.15);
}

.tr-vocab-word-prompt {
  font-weight: 600;
  min-width: 140px;
  display: inline-block;
  color: #111827;
  font-size: 16px;
}

/* Legacy Options fallback */
.tr-options-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.tr-option-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  border: 1px solid var(--tr-border);
  border-radius: var(--tr-radius-md);
  cursor: pointer;
  transition: all 0.15s;
  background-color: #ffffff;
}

.tr-option-row:hover {
  border-color: var(--tr-purple);
  background-color: #faf5ff;
}

.tr-option-row.selected {
  border-color: var(--tr-purple);
  background-color: #f3e8ff;
}

.tr-option-row input[type="radio"] {
  accent-color: var(--tr-purple);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.tr-option-label {
  font-size: 15px;
  color: var(--tr-text-black);
}

/* -------------------------------------------------------------
   5. TestReach Bottom Toolbar (Nextbar)
   ------------------------------------------------------------- */
.tr-nextbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: #ffffff;
  border-top: 1px solid var(--tr-border);
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--tr-shadow-bottom);
  z-index: 40;
}

.tr-nextbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tr-tool-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--tr-radius-md);
  border: 1px solid var(--tr-border-dark);
  background-color: #ffffff;
  color: var(--tr-text-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}

.tr-tool-btn:hover {
  background-color: var(--tr-bg-light);
  border-color: var(--tr-text-muted);
}

.tr-nextbar-center {
  font-size: 14px;
  font-weight: 600;
  color: var(--tr-text-muted);
}

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

.tr-btn-previous {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #ffffff;
  border: 1px solid var(--tr-border-dark);
  color: var(--tr-text-dark);
  font-size: 14px;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--tr-radius-md);
  cursor: pointer;
  transition: all 0.15s;
}

.tr-btn-previous:hover:not(:disabled) {
  background-color: var(--tr-bg-light);
  border-color: var(--tr-text-muted);
}

.tr-btn-previous:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tr-btn-next {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--tr-purple);
  border: 1px solid var(--tr-purple);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 22px;
  border-radius: var(--tr-radius-md);
  cursor: pointer;
  transition: all 0.15s;
}

.tr-btn-next:hover {
  background-color: var(--tr-purple-hover);
  border-color: var(--tr-purple-hover);
}

/* -------------------------------------------------------------
   6. Question List Drawer (TestReach Sidebar Modal)
   ------------------------------------------------------------- */
.tr-drawer-scrim {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.45);
  z-index: 100;
  display: none;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.tr-drawer-scrim.open {
  display: block;
  opacity: 1;
}

.tr-drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: 360px;
  max-width: 85vw;
  background-color: #ffffff;
  box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
  z-index: 101;
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.25s ease;
}

.tr-drawer-scrim.open .tr-drawer {
  transform: translateX(0);
}

.tr-drawer-header {
  padding: 20px;
  border-bottom: 1px solid var(--tr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.tr-drawer-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--tr-text-black);
}

.tr-drawer-close {
  background: transparent;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--tr-text-muted);
  line-height: 1;
}

.tr-drawer-tabs {
  display: flex;
  border-bottom: 1px solid var(--tr-border);
}

.tr-drawer-tab {
  flex: 1;
  text-align: center;
  padding: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--tr-text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tr-drawer-tab.active {
  color: var(--tr-purple);
  border-bottom-color: var(--tr-purple);
}

.tr-drawer-grid {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  align-content: start;
}

.tr-drawer-item {
  height: 44px;
  border-radius: var(--tr-radius-md);
  border: 1px solid var(--tr-border-dark);
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--tr-text-dark);
  cursor: pointer;
  position: relative;
  transition: all 0.15s;
}

.tr-drawer-item:hover {
  border-color: var(--tr-purple);
}

.tr-drawer-item.answered {
  background-color: var(--tr-purple);
  border-color: var(--tr-purple);
  color: #ffffff;
}

.tr-drawer-item.current {
  box-shadow: 0 0 0 2px #3b82f6;
}

.tr-drawer-item.bookmarked::after {
  content: "";
  position: absolute;
  top: 2px;
  right: 2px;
  width: 8px;
  height: 8px;
  background-color: var(--tr-bookmark-active);
  border-radius: 50%;
}