/* ============================================
   components.css — Buttons, cards, badges, tabs,
   options, progress bars, stats, explanations
   Warraq · Anthropic brand aesthetic
   ============================================ */

/* --- Subject Cards --- */
.subject-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 1.5rem;
}

.subject-card {
  background: var(--color-background-primary);
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  cursor: pointer;
  transition: box-shadow 0.2s ease, transform 0.15s ease, border-color 0.2s;
  position: relative;
  overflow: hidden;
}

.subject-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  transform: translateY(-2px);
  border-color: var(--anthropic-orange);
}

.subject-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 24px;
}

.subject-card-title {
  font-size: 18px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  margin-bottom: 4px;
}

.subject-card-desc {
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.subject-card-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  font-family: var(--font-heading);
  color: var(--color-text-secondary);
}

.subject-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.subject-card-expanded {
  display: none;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-tertiary);
}

.subject-card-expanded.open {
  display: block;
}

/* --- Controls (filters, selects) --- */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1rem;
  align-items: center;
}

.controls select {
  font-size: 13px;
  font-family: var(--font-heading);
  padding: 6px 10px;
  border-radius: var(--border-radius-md);
  height: 34px;
  border: 1px solid var(--color-border-secondary);
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%23b0aea5' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 28px;
}

.controls select:hover {
  border-color: var(--anthropic-blue);
}

.controls select:focus {
  outline: none;
  border-color: var(--anthropic-blue);
  box-shadow: 0 0 0 2px rgba(55,138,221,0.2);
}

.controls button {
  font-size: 13px;
  padding: 6px 14px;
  border-radius: var(--border-radius-md);
  height: 34px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
}

.controls button:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.controls button:active {
  transform: translateY(0);
}

/* --- Progress Bar --- */
.progress-bar-wrap {
  background: var(--color-background-secondary);
  border-radius: 4px;
  height: 6px;
  margin-bottom: 1.25rem;
  overflow: hidden;
}

.progress-bar {
  height: 6px;
  background: var(--anthropic-orange);
  border-radius: 4px;
  transition: width 0.3s;
}

/* --- Stats Row / Cards --- */
.stats-row {
  display: flex;
  gap: 12px;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.stat-card {
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-md);
  padding: 10px 16px;
  min-width: 100px;
  flex: 1;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.stat-card:hover {
  box-shadow: 0 3px 10px rgba(0,0,0,0.08);
  transform: translateY(-1px);
}

.stat-card .val {
  font-size: 22px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-text-primary);
}

.stat-card .lbl {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* --- Question Card --- */
.q-card {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 1.25rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.q-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  transform: translateY(-1px);
}

.q-meta {
  font-size: 11px;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.q-meta span {
  background: var(--color-background-secondary);
  padding: 2px 8px;
  border-radius: 4px;
}

.q-text {
  font-size: 15px;
  color: var(--color-text-primary);
  line-height: 1.6;
  margin-bottom: 1rem;
  font-weight: 500;
  font-family: var(--font-body);
}

/* --- Options --- */
.options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.opt {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--border-radius-md);
  border: 0.5px solid var(--color-border-tertiary);
  cursor: pointer;
  background: var(--color-background-primary);
  transition:
    background 0.15s,
    border-color 0.15s,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}

.opt:hover:not(.disabled) {
  background: var(--color-background-secondary);
  border-color: var(--color-border-secondary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transform: translateY(-1px);
}

.opt.correct {
  background: #eaf3de;
  border-color: #639922;
}

.opt.wrong {
  background: #fcebeb;
  border-color: #a32d2d;
}

.opt.revealed-correct {
  background: #eaf3de;
  border-color: #639922;
}

.opt.disabled {
  cursor: default;
}

.opt-letter {
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-text-secondary);
  min-width: 20px;
  padding-top: 1px;
}

.opt-text {
  font-size: 14px;
  color: var(--color-text-primary);
  line-height: 1.5;
}

.opt.correct .opt-letter,
.opt.correct .opt-text {
  color: #27500a;
}

.opt.wrong .opt-letter,
.opt.wrong .opt-text {
  color: #791f1f;
}

.opt.revealed-correct .opt-letter,
.opt.revealed-correct .opt-text {
  color: #27500a;
}

/* --- Explanation --- */
.explanation {
  margin-top: 1rem;
  padding: 12px;
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-md);
  border-left: 3px solid var(--anthropic-blue);
}

.explanation .exp-lbl {
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--anthropic-blue);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.explanation .exp-text {
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  line-height: 1.6;
}

/* --- Navigation Row --- */
.nav-row {
  display: flex;
  gap: 8px;
  margin-top: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.nav-row button {
  font-size: 13px;
  padding: 7px 16px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
}

/* --- Buttons --- */
.btn-primary {
  background: var(--anthropic-orange);
  color: #faf9f5;
  border: none;
  font-weight: 600;
  font-family: var(--font-heading);
  padding: 8px 20px;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: #c0614a;
  box-shadow: 0 4px 14px rgba(217,119,87,0.35);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(217,119,87,0.2);
}

.btn-secondary {
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-secondary);
  font-weight: 500;
  font-family: var(--font-heading);
  padding: 8px 20px;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.btn-secondary:hover {
  background: var(--color-background-secondary);
  border-color: var(--anthropic-blue);
  box-shadow: 0 4px 14px rgba(106,155,204,0.25);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(106,155,204,0.15);
}

/* --- Tags (Correct / Wrong) --- */
.tag-correct {
  display: inline-block;
  background: #eaf3de;
  color: #27500a;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  margin-top: 8px;
}

.tag-wrong {
  display: inline-block;
  background: #fcebeb;
  color: #791f1f;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  margin-top: 8px;
}

/* --- Performance Tabs --- */
.perf-tabs {
  display: flex;
  gap: 0;
  margin-top: 1.5rem;
  border-bottom: 2px solid var(--color-border-tertiary);
}

.perf-tab {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-text-secondary);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}

.perf-tab:hover {
  color: var(--color-text-primary);
}

.perf-tab.active {
  color: var(--anthropic-orange);
  border-bottom-color: var(--anthropic-orange);
}

.perf-panel {
  display: none;
  margin-top: 1rem;
}

.perf-panel.active {
  display: block;
}

/* --- Expandable Rows --- */
.expandable-row {
  cursor: pointer;
  transition: background 0.15s;
  border-radius: 4px;
  padding: 4px 0;
}

.expandable-row:hover {
  background: var(--color-background-secondary);
}

.sub-details {
  display: none;
  padding: 6px 0 6px 16px;
  border-left: 2px solid var(--color-border-tertiary);
  margin: 4px 0 8px 0;
}

.sub-details.open {
  display: block;
}

.sub-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  margin-bottom: 3px;
}

.sub-row .s-name {
  flex: 1;
  font-family: var(--font-heading);
  font-weight: 400;
  color: var(--color-text-secondary);
}

.sub-row .s-bar-bg {
  flex: 2;
  height: 5px;
  background: var(--color-background-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.sub-row .s-bar {
  height: 5px;
  border-radius: 3px;
}

.sub-row .s-pct {
  min-width: 50px;
  text-align: right;
  font-family: var(--font-heading);
  font-size: 11px;
  color: var(--color-text-secondary);
}

/* --- Summary --- */
.summary {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.summary h3 {
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-heading);
  margin-bottom: 1rem;
}

/* --- Topic / Category Rows --- */
.topic-results {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 1rem;
}

.topic-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
}

.topic-row .t-name {
  flex: 1;
  color: var(--color-text-primary);
}

.topic-row .t-bar-bg {
  flex: 2;
  height: 8px;
  background: var(--color-background-secondary);
  border-radius: 4px;
  overflow: hidden;
}

.topic-row .t-bar {
  height: 8px;
  background: var(--anthropic-orange);
  border-radius: 4px;
}

.topic-row .t-pct {
  min-width: 60px;
  text-align: right;
  color: var(--color-text-secondary);
  font-size: 12px;
  font-family: var(--font-heading);
}

.cat-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 6px;
}

.cat-row .c-name {
  flex: 1;
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-text-primary);
}

.cat-row .c-bar-bg {
  flex: 2;
  height: 6px;
  background: var(--color-background-secondary);
  border-radius: 3px;
  overflow: hidden;
}

.cat-row .c-bar {
  height: 6px;
  border-radius: 3px;
}

.cat-row .c-pct {
  min-width: 60px;
  text-align: right;
  font-family: var(--font-heading);
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* --- Back Button --- */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--border-radius-md);
  transition: color 0.15s, background 0.15s;
  margin-bottom: 1rem;
}

.back-btn:hover {
  color: var(--color-text-primary);
  background: var(--color-background-secondary);
}

/* --- Donation Card --- */
.donation-card {
  background: var(--color-background-primary);
  border: 1px solid var(--color-border-tertiary);
  border-left: 3px solid var(--anthropic-orange);
  border-radius: var(--border-radius-lg);
  padding: 1.25rem;
  margin-top: 2rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.donation-card h4 {
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.donation-card p {
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.donation-card .coffee-icon {
  font-size: 20px;
  margin-right: 6px;
}

/* --- Warraq Name Tooltip/Card --- */
.warraq-trigger {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  color: var(--anthropic-orange);
  font-size: 18px;
  margin-left: 4px;
  transition: transform 0.15s;
  vertical-align: middle;
}

.warraq-trigger:hover {
  transform: scale(1.1);
}

.warraq-bubble {
  display: none;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 100%;
  margin-top: 12px;
  background: var(--color-background-primary);
  border: 1px solid var(--color-border-tertiary);
  border-left: 3px solid var(--anthropic-orange);
  border-radius: var(--border-radius-lg);
  padding: 1.25rem;
  max-width: 340px;
  width: 90vw;
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  z-index: 100;
  animation: bubbleFadeIn 0.25s ease;
}

.warraq-bubble.open {
  display: block;
}

@keyframes bubbleFadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.warraq-bubble .arabic-word {
  font-size: 22px;
  text-align: right;
  color: var(--anthropic-orange);
  margin-bottom: 8px;
  font-weight: 600;
}

.warraq-bubble .bubble-text {
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  line-height: 1.6;
}

.warraq-bubble .bubble-source {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 10px;
  line-height: 1.5;
}

.warraq-bubble .bubble-source a {
  color: var(--anthropic-blue);
  text-decoration: none;
}

.warraq-bubble .bubble-source a:hover {
  text-decoration: underline;
}

/* --- Flashcard Components --- */
.flashcard-container {
  perspective: 1000px;
  margin: 1rem auto;
  max-width: 480px;
}

.flashcard {
  position: relative;
  width: 100%;
  min-height: 320px;
  transition: transform 0.6s;
  transform-style: preserve-3d;
  cursor: pointer;
}

.flashcard.flipped {
  transform: rotateY(180deg);
}

.flashcard-face,
.flashcard-back {
  position: absolute;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: var(--border-radius-lg);
  background: var(--color-background-primary);
  border: 1px solid var(--color-border-tertiary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  padding: 1.25rem;
  overflow: hidden;
}

.flashcard-back {
  transform: rotateY(180deg);
}

.flashcard-face .fc-disease {
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.flashcard-face .fc-tag {
  display: inline-block;
  background: var(--color-background-secondary);
  font-size: 11px;
  font-family: var(--font-heading);
  color: var(--color-text-secondary);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 12px;
}

.flashcard-face .fc-image {
  width: 100%;
  max-height: 200px;
  object-fit: cover;
  border-radius: var(--border-radius-md);
  margin-bottom: 12px;
}

.flashcard-face .fc-question {
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  font-weight: 500;
  text-align: center;
}

.flashcard-face .fc-flip-hint {
  font-size: 12px;
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 8px;
}

.flashcard-back .fc-disease {
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.flashcard-back .fc-field {
  margin-bottom: 8px;
}

.flashcard-back .fc-field-label {
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--anthropic-blue);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.flashcard-back .fc-field-value {
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  line-height: 1.5;
}

.fc-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 1rem;
}

.fc-nav .fc-counter {
  font-size: 13px;
  font-family: var(--font-heading);
  color: var(--color-text-secondary);
}

/* --- Placeholder Card (coming soon) --- */
.placeholder-card {
  background: var(--color-background-primary);
  border: 1px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  opacity: 0.5;
  text-align: center;
  cursor: default;
}

.placeholder-card .subject-card-title {
  color: var(--color-text-secondary);
}

.placeholder-card .subject-card-desc {
  color: var(--color-text-secondary);
}

/* --- Session Resume Banner --- */
.resume-banner {
  background: var(--color-background-primary);
  border: 1px solid var(--anthropic-orange);
  border-left: 3px solid var(--anthropic-orange);
  border-radius: var(--border-radius-md);
  padding: 12px 16px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.resume-banner .resume-text {
  font-size: 14px;
  font-family: var(--font-body);
  color: var(--color-text-primary);
  flex: 1;
}

.resume-banner .resume-actions {
  display: flex;
  gap: 8px;
}