/* ═══════════════════════════════════════════
   Karina Biriukova — Quiz Overlay
   ═══════════════════════════════════════════ */

.quiz-overlay {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: rgba(0, 0, 0, .45);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s var(--ease), visibility .35s;
}

.quiz-overlay.quiz-open {
  opacity: 1;
  visibility: visible;
}

.quiz-container {
  width: 100%;
  max-width: 560px;
  max-height: 92vh;
  margin: 0 16px;
  background: var(--bg);
  border-radius: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .18);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.quiz-content {
  display: flex;
  flex-direction: column;
  min-height: 420px;
}

/* ── Header ──────────────────────────────── */

.quiz-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.quiz-back,
.quiz-close {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: all .2s;
  flex-shrink: 0;
  border: none;
  background: none;
  cursor: pointer;
}

.quiz-back:hover,
.quiz-close:hover {
  background: var(--bg-2);
  color: var(--text-heading);
}

.quiz-progress-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-3);
  border-radius: 2px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 2px;
  transition: width .4s var(--ease);
}

/* ── Body ────────────────────────────────── */

.quiz-body {
  flex: 1;
  padding: 32px 28px 28px;
  display: flex;
  flex-direction: column;
}

.quiz-screen {
  display: flex;
  flex-direction: column;
  animation: quizSlideIn .3s var(--ease);
}

.quiz-screen-center {
  align-items: center;
  justify-content: center;
  text-align: center;
  flex: 1;
}

@keyframes quizSlideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Typography ──────────────────────────── */

.quiz-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 600;
  color: var(--text-heading);
  line-height: 1.3;
  margin-bottom: 8px;
}

.quiz-subtitle {
  font-size: 15px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* ── Options (buttons) ───────────────────── */

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.quiz-opt {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: left;
  cursor: pointer;
  transition: all .25s var(--ease);
  font: inherit;
  color: var(--text);
}

.quiz-opt:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.quiz-opt-selected {
  border-color: var(--gold) !important;
  background: rgba(184, 137, 46, .06);
  box-shadow: var(--shadow-gold);
}

.quiz-opt-label {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-heading);
}

.quiz-opt-desc {
  font-size: 13px;
  color: var(--text-dim);
}

/* Pill-style options for question screens */
.quiz-options-sm .quiz-opt-pill {
  flex-direction: row;
  padding: 12px 18px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 400;
}

/* ── Form Fields ─────────────────────────── */

.quiz-field {
  margin-bottom: 20px;
}

.quiz-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.quiz-input {
  width: 100%;
  padding: 14px 0;
  border: none;
  border-bottom: 2px solid var(--border);
  background: transparent;
  font: inherit;
  font-size: 17px;
  color: var(--text-heading);
  outline: none;
  transition: border-color .25s;
}

.quiz-input:focus {
  border-color: var(--gold);
}

.quiz-input::placeholder {
  color: var(--text-dim);
  opacity: .5;
}

.quiz-input-lg {
  font-size: 18px;
  padding: 16px 0;
}

.quiz-other-field {
  margin-top: 8px;
  margin-bottom: 0;
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.quiz-other-confirm {
  padding: 10px 20px !important;
  margin-top: 0 !important;
  font-size: 14px !important;
  flex-shrink: 0;
}

/* ── Buttons ─────────────────────────────── */

.quiz-next-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--white);
  font: inherit;
  font-size: 15px;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all .3s var(--ease);
  margin-top: 8px;
  align-self: flex-start;
  box-shadow: var(--shadow-gold);
}

.quiz-next-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(184, 137, 46, .28);
}

.quiz-btn-disabled {
  opacity: .4;
  pointer-events: none;
}

/* ── Done Screen ─────────────────────────── */

.quiz-done-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

/* ── Spinner ─────────────────────────────── */

.quiz-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--gold);
  border-radius: 50%;
  animation: quizSpin .7s linear infinite;
  margin-bottom: 16px;
}

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

/* ── Responsive ──────────────────────────── */

@media (max-width: 600px) {
  .quiz-container {
    max-height: 100vh;
    height: 100%;
    margin: 0;
    border-radius: 0;
    border: none;
  }

  .quiz-body {
    padding: 24px 20px 20px;
  }

  .quiz-title {
    font-size: 22px;
  }
}