/* Computer MCQ Test - Majhi Naukri Tools */
:root {
  --cmt-brand: #3d85c6;
  --cmt-brand-dark: #2c6396;
  --cmt-brand-light: #eaf4fb;
  --cmt-orange: #fd6f2a;
  --cmt-border: rgba(61, 133, 198, 0.2);
  --cmt-bg: #f4f8fc;
  --cmt-surface: #fff;
  --cmt-text: #1a2332;
  --cmt-muted: #5c6b7a;
  --cmt-shadow: 0 8px 32px rgba(61, 133, 198, 0.1);
  --cmt-shadow-lg: 0 16px 40px rgba(61, 133, 198, 0.14);
  --cmt-radius: 16px;
  --cmt-radius-sm: 12px;
  --cmt-font: 'DM Sans', system-ui, -apple-system, sans-serif;
  --cmt-success: #16a34a;
  --cmt-danger: #dc2626;
}

#tool-main {
  font-family: var(--cmt-font);
  color: var(--cmt-text);
  background: var(--cmt-bg);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(61, 133, 198, 0.12), transparent);
  padding-bottom: 40px;
}

.cmt-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 16px 24px;
}

/* Hero */
.cmt-hero {
  text-align: center;
  margin: 0 0 20px;
  padding: 8px 0 4px;
}

.cmt-hero-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--cmt-brand-light);
  color: var(--cmt-brand-dark);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  border: 1px solid var(--cmt-border);
}

.cmt-hero h1 {
  font-size: clamp(1.6rem, 4.5vw, 2.2rem);
  font-weight: 800;
  margin: 0 0 10px;
  line-height: 1.15;
  color: var(--cmt-text);
}

.cmt-hero-accent {
  color: var(--cmt-brand);
}

.cmt-hero p {
  max-width: 640px;
  margin: 0 auto;
  color: var(--cmt-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

/* Cards */
.cmt-glass {
  background: var(--cmt-surface);
  border: 1px solid var(--cmt-border);
  border-radius: var(--cmt-radius);
  box-shadow: var(--cmt-shadow);
}

/* Sticky stats bar */
.cmt-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  position: sticky;
  top: calc(var(--header-h, 156px) - 1px);
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
}

.cmt-pills {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  flex: 1;
  min-width: 0;
}

@media (min-width: 576px) {
  .cmt-pills {
    display: flex;
    flex-wrap: wrap;
  }
}

.cmt-pill {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  padding: 8px 12px;
  border-radius: var(--cmt-radius-sm);
  border: 1px solid var(--cmt-border);
  background: #f8fbfe;
  min-width: 0;
}

.cmt-pill span {
  color: var(--cmt-muted);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.cmt-pill strong {
  color: var(--cmt-text);
  font-size: 0.95rem;
  font-weight: 800;
}

.cmt-topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}

@media (min-width: 576px) {
  .cmt-topbar-actions {
    width: auto;
  }
}

/* Buttons */
.cmt-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: var(--cmt-radius-sm);
  border: 1px solid var(--cmt-border);
  background: var(--cmt-surface);
  color: var(--cmt-text);
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.cmt-btn--primary {
  background: var(--cmt-brand);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(61, 133, 198, 0.35);
  flex: 1;
}

@media (min-width: 576px) {
  .cmt-btn--primary {
    flex: none;
  }
}

.cmt-btn--primary:hover {
  background: var(--cmt-brand-dark);
  transform: translateY(-1px);
}

.cmt-btn--ghost:hover {
  border-color: var(--cmt-brand);
  color: var(--cmt-brand);
}

.cmt-btn--sm {
  padding: 8px 12px;
  font-size: 0.78rem;
}

.cmt-btn--block {
  width: 100%;
}

.cmt-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Layout */
.cmt-layout {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

@media (min-width: 992px) {
  .cmt-layout {
    grid-template-columns: 1fr 300px;
    align-items: start;
  }
}

.cmt-card {
  padding: 18px;
}

.cmt-card-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--cmt-border);
}

@media (min-width: 640px) {
  .cmt-card-head {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.cmt-card h2 {
  font-size: 1.1rem;
  font-weight: 800;
  margin: 0 0 4px;
  color: var(--cmt-text);
}

.cmt-card p {
  margin: 0;
  color: var(--cmt-muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

/* Mode tabs - segmented control */
.cmt-mode-tabs {
  display: flex;
  gap: 0;
  padding: 4px;
  border-radius: var(--cmt-radius-sm);
  background: #f0f5fa;
  border: 1px solid var(--cmt-border);
  width: 100%;
}

@media (min-width: 640px) {
  .cmt-mode-tabs {
    width: auto;
  }
}

.cmt-chip {
  flex: 1;
  border: none;
  background: transparent;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cmt-muted);
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.cmt-chip[aria-pressed="true"] {
  background: #fff;
  color: var(--cmt-brand);
  box-shadow: 0 2px 8px rgba(61, 133, 198, 0.15);
}

.cmt-chip:hover:not([aria-pressed="true"]) {
  color: var(--cmt-text);
}

/* Form controls */
.cmt-controls {
  display: grid;
  gap: 12px;
}

.cmt-field label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--cmt-muted);
  margin-bottom: 6px;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.cmt-field .form-select {
  border-radius: var(--cmt-radius-sm);
  border-color: var(--cmt-border);
  background: #fff;
  color: var(--cmt-text);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 10px 12px;
  box-shadow: none;
}

.cmt-field .form-select:focus {
  border-color: var(--cmt-brand);
  box-shadow: 0 0 0 3px rgba(61, 133, 198, 0.15);
}

#timerRow[hidden] {
  display: none !important;
}

/* Question card */
#qCard {
  scroll-margin-top: calc(var(--header-h, 156px) + 8px);
}

#qExamTimer {
  scroll-margin-top: calc(var(--header-h, 156px) + 8px);
}

.cmt-q-exam-timer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
  padding: 12px 16px;
  background: linear-gradient(90deg, var(--cmt-brand-light), #fff);
  border: 1px solid var(--cmt-border);
  position: sticky;
  top: calc(var(--header-h, 156px) - 1px);
  z-index: 15;
}

.cmt-q-exam-timer[hidden] {
  display: none !important;
}

.cmt-q-exam-timer.is-low {
  background: linear-gradient(90deg, #fef2f2, #fff);
  border-bottom-color: rgba(220, 38, 38, 0.25);
}

.cmt-q-exam-timer.is-low strong {
  color: var(--cmt-danger);
}

.cmt-q-exam-timer__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--cmt-muted);
}

.cmt-q-exam-timer strong {
  font-size: 1.25rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--cmt-brand-dark);
}

.cmt-q {
  margin-top: 16px;
  padding: 18px;
  border: 1px solid var(--cmt-border);
  background: linear-gradient(180deg, #fff 0%, #f8fbfe 100%);
}

.cmt-q-progress {
  height: 6px;
  background: #e8f0f8;
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 14px;
}

.cmt-q-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cmt-brand), #5ba3e0);
  border-radius: 999px;
  transition: width 0.35s ease;
  min-width: 0;
}

.cmt-q .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.cmt-q .badge2 {
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--cmt-border);
  background: #fff;
  color: var(--cmt-muted);
  font-size: 0.72rem;
  font-weight: 700;
}

.cmt-q .badge2:first-child {
  background: var(--cmt-brand-light);
  color: var(--cmt-brand-dark);
  border-color: rgba(61, 133, 198, 0.25);
}

.cmt-q .question {
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 14px;
  color: var(--cmt-text);
}

/* Answer options */
.cmt-options {
  display: grid;
  gap: 10px;
}

.cmt-opt {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  border-radius: var(--cmt-radius-sm);
  border: 1.5px solid var(--cmt-border);
  background: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.45;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.12s, box-shadow 0.15s;
}

.cmt-opt-letter {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--cmt-brand-light);
  color: var(--cmt-brand-dark);
  font-size: 0.8rem;
  font-weight: 800;
}

.cmt-opt-text {
  flex: 1;
  padding-top: 3px;
}

.cmt-opt:hover:not(:disabled) {
  border-color: var(--cmt-brand);
  box-shadow: 0 4px 12px rgba(61, 133, 198, 0.1);
  transform: translateY(-1px);
}

.cmt-opt.is-correct {
  border-color: var(--cmt-success);
  background: rgba(22, 163, 74, 0.06);
  box-shadow: 0 0 0 2px rgba(22, 163, 74, 0.12);
}

.cmt-opt.is-correct .cmt-opt-letter {
  background: var(--cmt-success);
  color: #fff;
}

.cmt-opt.is-wrong {
  border-color: var(--cmt-danger);
  background: rgba(220, 38, 38, 0.04);
}

.cmt-opt.is-wrong .cmt-opt-letter {
  background: var(--cmt-danger);
  color: #fff;
}

.cmt-opt:disabled {
  cursor: default;
  transform: none;
}

.cmt-explain {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--cmt-radius-sm);
  border-left: 4px solid var(--cmt-brand);
  background: var(--cmt-brand-light);
  color: var(--cmt-text);
  font-size: 0.86rem;
  line-height: 1.5;
}

.cmt-nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--cmt-border);
}

.cmt-nav .cmt-btn--primary {
  flex: 1;
  min-width: 100px;
}

/* Result card */
.cmt-result .question {
  color: var(--cmt-brand);
}

.cmt-result-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.cmt-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px;
  border-radius: var(--cmt-radius-sm);
  border: 1px solid var(--cmt-border);
  background: #fff;
  text-align: center;
}

.cmt-metric span {
  color: var(--cmt-muted);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.cmt-metric strong {
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--cmt-brand);
}

.cmt-metric--success strong {
  color: var(--cmt-success);
}

.cmt-metric--danger strong {
  color: var(--cmt-danger);
}

/* Sidebar progress */
.cmt-side {
  padding: 18px;
}

.cmt-side h3 {
  margin: 0 0 14px;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--cmt-text);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--cmt-brand-light);
}

.cmt-side .cmt-metric {
  text-align: left;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
}

.cmt-side .cmt-metric + .cmt-metric {
  margin-top: 8px;
}

.cmt-side .cmt-metric strong {
  font-size: 0.95rem;
}

.cmt-side .cmt-btn--ghost {
  margin-top: 14px;
  color: var(--cmt-muted);
  font-size: 0.82rem;
}

.cmt-side .cmt-btn--ghost:hover {
  color: var(--cmt-danger);
  border-color: rgba(220, 38, 38, 0.35);
}

/* Related + SEO */
.cmt-related {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.cmt-related a {
  padding: 14px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, transform 0.15s;
}

.cmt-related a:hover {
  border-color: var(--cmt-brand);
  transform: translateY(-2px);
}

.cmt-related strong {
  display: block;
  color: var(--cmt-brand);
  font-size: 0.88rem;
  font-weight: 700;
}

.cmt-related span {
  display: block;
  color: var(--cmt-muted);
  font-size: 0.76rem;
  margin-top: 4px;
}

.cmt-seo {
  padding: 20px;
  margin-top: 20px;
}

.cmt-seo details {
  border-top: 1px solid var(--cmt-border);
  padding: 12px 0;
}

.cmt-seo summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--cmt-text);
}

/* Toasts */
#toastContainer {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: 92vw;
}

.cmt-toast {
  padding: 12px 18px;
  border-radius: var(--cmt-radius-sm);
  font-weight: 700;
  font-size: 0.85rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
  box-shadow: var(--cmt-shadow-lg);
}

.cmt-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.cmt-toast--success { background: #166534; color: #fff; }
.cmt-toast--error { background: var(--cmt-danger); color: #fff; }
.cmt-toast--warning { background: #b45309; color: #fff; }
.cmt-toast--info { background: var(--cmt-brand-dark); color: #fff; }

@media (max-width: 575px) {
  .cmt-wrap {
    padding: 8px 12px 20px;
  }

  .cmt-topbar {
    padding: 10px 12px;
  }

  .cmt-card,
  .cmt-side,
  .cmt-q {
    padding: 14px;
  }

  .cmt-nav .cmt-btn {
    flex: 1;
    min-width: calc(50% - 4px);
  }

  .cmt-nav .cmt-btn--primary {
    flex: 1 1 100%;
    order: -1;
  }
}