/*
 * quiz.css
 * Shared 4-answer quiz component.
 */

.quiz-form {
  display: grid;
  gap: var(--space-4);
  width: 100%;
  max-width: 100%;
}

.quiz-options {
  display: grid;
  gap: var(--space-3);
  width: 100%;
  max-width: 100%;
}

.answer-option {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  width: 100%;
  max-width: 100%;
  min-height: 52px;
  padding: clamp(11px, 3.6vw, 16px);
  border: 1px solid rgba(255, 218, 155, 0.28);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 218, 155, 0.12), transparent 36%),
    rgba(255, 244, 226, 0.08);
  color: var(--color-text);
  text-align: left;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.24), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition:
    transform var(--duration-base) var(--ease-standard),
    border-color var(--duration-base) var(--ease-standard),
    background var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard),
    filter var(--duration-base) var(--ease-standard);
}

.answer-option:hover,
.answer-option:focus-within {
  transform: translate3d(0, -1px, 0);
  border-color: rgba(255, 218, 155, 0.55);
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 218, 155, 0.16), transparent 36%),
    rgba(255, 244, 226, 0.12);
}

.answer-option:active {
  transform: translate3d(0, 1px, 0) scale(0.99);
}

.answer-option.is-selected {
  border-color: rgba(255, 218, 155, 0.9);
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 218, 155, 0.24), transparent 38%),
    rgba(255, 208, 138, 0.18);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.3), 0 0 26px rgba(255, 185, 93, 0.18);
}

.answer-option.is-correct {
  border-color: rgba(201, 255, 196, 0.72);
  background:
    radial-gradient(circle at 0% 0%, rgba(201, 255, 196, 0.18), transparent 38%),
    rgba(76, 130, 60, 0.16);
}

.answer-option.is-wrong {
  border-color: rgba(255, 183, 168, 0.72);
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 183, 168, 0.18), transparent 38%),
    rgba(128, 32, 24, 0.18);
}

.answer-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.answer-marker {
  position: relative;
  display: grid;
  place-items: center;
  width: clamp(28px, 8vw, 36px);
  height: clamp(28px, 8vw, 36px);
  border: 1px solid rgba(255, 218, 155, 0.42);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.2);
  color: var(--color-gold);
  font-size: var(--font-size-sm);
  font-weight: 700;
  line-height: 1;
  box-shadow: inset 0 0 10px rgba(255, 218, 155, 0.08);
  transition:
    background var(--duration-base) var(--ease-standard),
    border-color var(--duration-base) var(--ease-standard),
    color var(--duration-base) var(--ease-standard),
    box-shadow var(--duration-base) var(--ease-standard);
}

.answer-option.is-selected .answer-marker {
  border-color: rgba(255, 238, 204, 0.9);
  background: rgba(255, 209, 138, 0.86);
  color: #230908;
  box-shadow: 0 0 18px rgba(255, 209, 138, 0.32);
}

.answer-text {
  min-width: 0;
  max-width: 100%;
  color: var(--color-text);
  font-size: var(--font-size-md);
  line-height: 1.24;
  overflow-wrap: anywhere;
}

.quiz-submit {
  width: min(420px, 100%);
  margin-inline: auto;
}

.quiz-submit:disabled {
  opacity: 0.5;
}

.quiz-feedback {
  min-height: 1.35em;
  color: var(--color-text-soft);
  font-size: var(--font-size-sm);
  text-align: center;
}

.quiz-feedback.is-error {
  color: var(--color-error);
}

.quiz-feedback.is-success {
  color: var(--color-success);
}

/*
 * Level 2 Challenge 1: open-book answer layout.
 *
 * Requirement:
 * - 4 answers in 2 columns x 2 rows.
 * - CSS-generated open-book background behind the answers.
 * - Each column visually reads as one open page.
 * - Only this screen is affected.
 */
.room-screen[data-screen-id="level2.challenge1"] .quiz-form {
  gap: clamp(10px, calc(var(--room-stage-height, 720px) * 0.018), 16px);
}

.room-screen[data-screen-id="level2.challenge1"] .quiz-options {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(92px, auto));
  gap: clamp(10px, calc(var(--room-stage-width, 420px) * 0.035), 18px);
  width: min(100%, 620px);
  max-width: 100%;
  margin-inline: auto;
  /*padding: clamp(18px, calc(var(--room-stage-width, 420px) * 0.062), 34px)
           clamp(16px, calc(var(--room-stage-width, 420px) * 0.055), 30px)
           clamp(16px, calc(var(--room-stage-width, 420px) * 0.05), 28px);*/
  border-radius: clamp(18px, calc(var(--room-stage-width, 420px) * 0.06), 34px);
  overflow: hidden;
  box-shadow:
    0 18px 46px rgba(0, 0, 0, 0.36),
    0 0 32px rgba(255, 210, 146, 0.08);
}

.room-screen[data-screen-id="level2.challenge1"] .quiz-options::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  border-radius: inherit;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.45), transparent 18%),
    linear-gradient(90deg,
      rgba(78, 43, 28, 0.58) 0%,
      rgba(161, 112, 75, 0.46) 2.5%,
      rgba(244, 224, 179, 0.98) 7%,
      rgba(255, 244, 206, 0.98) 45%,
      rgba(183, 143, 100, 0.56) 49.1%,
      rgba(86, 52, 36, 0.64) 50%,
      rgba(183, 143, 100, 0.56) 50.9%,
      rgba(255, 244, 206, 0.98) 55%,
      rgba(244, 224, 179, 0.98) 93%,
      rgba(161, 112, 75, 0.46) 97.5%,
      rgba(78, 43, 28, 0.58) 100%),
    linear-gradient(180deg,
      rgba(255, 255, 255, 0.28) 0%,
      rgba(255, 248, 218, 0.98) 20%,
      rgba(231, 203, 153, 0.96) 100%);
}

.room-screen[data-screen-id="level2.challenge1"] .quiz-options::after {
  content: "";
  position: absolute;
  top: 6%;
  bottom: 5%;
  left: calc(50% - 10px);
  z-index: -1;
  width: 20px;
  border-radius: 999px;
  background:
    radial-gradient(ellipse at center,
      rgba(77, 45, 33, 0.56) 0%,
      rgba(95, 60, 42, 0.34) 28%,
      rgba(255, 242, 207, 0.12) 58%,
      transparent 74%);
  box-shadow:
    -10px 0 22px rgba(96, 55, 34, 0.16),
    10px 0 22px rgba(96, 55, 34, 0.16),
    inset 0 0 12px rgba(58, 32, 22, 0.28);
}

.room-screen[data-screen-id="level2.challenge1"] .answer-option {
  z-index: 1;
  min-height: clamp(82px, calc(var(--room-stage-height, 720px) * 0.13), 122px);
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  padding: clamp(10px, calc(var(--room-stage-width, 420px) * 0.035), 16px);
  border: 1px solid rgba(113, 75, 42, 0.22);
  border-radius: clamp(12px, calc(var(--room-stage-width, 420px) * 0.035), 18px);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.42), transparent 28%),
    linear-gradient(180deg, rgba(255, 250, 224, 0.42), rgba(238, 210, 162, 0.32));
  color: #392112;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.42),
    inset 0 -1px 0 rgba(120, 78, 46, 0.1),
    0 8px 16px rgba(83, 47, 28, 0.10);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.room-screen[data-screen-id="level2.challenge1"] .answer-option:nth-child(odd) {
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.42), transparent 28%),
    linear-gradient(90deg, rgba(221, 190, 136, 0.20), rgba(255, 247, 214, 0.36) 34%, rgba(240, 216, 170, 0.34));
}

.room-screen[data-screen-id="level2.challenge1"] .answer-option:nth-child(even) {
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.38), transparent 28%),
    linear-gradient(90deg, rgba(240, 216, 170, 0.34), rgba(255, 247, 214, 0.36) 66%, rgba(221, 190, 136, 0.20));
}

.room-screen[data-screen-id="level2.challenge1"] .answer-option:hover,
.room-screen[data-screen-id="level2.challenge1"] .answer-option:focus-within {
  transform: translate3d(0, -1px, 0);
  border-color: rgba(132, 84, 43, 0.44);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.54), transparent 30%),
    linear-gradient(180deg, rgba(255, 250, 224, 0.6), rgba(244, 218, 168, 0.48));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    0 10px 20px rgba(83, 47, 28, 0.16),
    0 0 0 2px rgba(128, 83, 46, 0.08);
}

.room-screen[data-screen-id="level2.challenge1"] .answer-option.is-selected {
  border-color: rgba(126, 72, 27, 0.74);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.58), transparent 30%),
    linear-gradient(180deg, rgba(255, 230, 168, 0.72), rgba(218, 166, 91, 0.56));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.56),
    0 12px 24px rgba(83, 47, 28, 0.2),
    0 0 18px rgba(148, 92, 42, 0.18);
}

.room-screen[data-screen-id="level2.challenge1"] .answer-option.is-correct {
  border-color: rgba(60, 120, 59, 0.65);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.5), transparent 30%),
    linear-gradient(180deg, rgba(225, 251, 197, 0.74), rgba(149, 194, 109, 0.54));
}

.room-screen[data-screen-id="level2.challenge1"] .answer-option.is-wrong {
  border-color: rgba(154, 68, 52, 0.66);
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.45), transparent 30%),
    linear-gradient(180deg, rgba(255, 211, 192, 0.72), rgba(201, 107, 80, 0.5));
}

.room-screen[data-screen-id="level2.challenge1"] .answer-marker {
  border-color: rgba(117, 76, 43, 0.42);
  background: rgba(79, 45, 24, 0.12);
  color: #6b3f20;
  box-shadow: inset 0 0 10px rgba(112, 70, 36, 0.1);
}

.room-screen[data-screen-id="level2.challenge1"] .answer-option.is-selected .answer-marker {
  border-color: rgba(85, 48, 21, 0.76);
  background: rgba(120, 69, 28, 0.84);
  color: #fff3d6;
  box-shadow: 0 0 14px rgba(120, 69, 28, 0.28);
}

.room-screen[data-screen-id="level2.challenge1"] .answer-text {
  color: #2d1a0d;
  font-size: clamp(0.94rem, calc(var(--room-stage-width, 420px) * 0.032), 1.12rem);
  font-weight: 100;
  line-height: 1.0;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.22);
}

.room-screen[data-screen-id="level2.challenge1"] .quiz-submit {
  margin-top: 0;
}

@media (max-width: 360px) {
  .quiz-options {
    gap: 9px;
  }

  .answer-option {
    min-height: 48px;
    padding: 10px;
    gap: 10px;
    border-radius: var(--radius-md);
  }

  .answer-text {
    font-size: clamp(0.98rem, 4.2vw, 1.08rem);
  }

  .room-screen[data-screen-id="level2.challenge1"] .quiz-options {
    gap: 8px;
    padding: 14px 12px 12px;
  }

  .room-screen[data-screen-id="level2.challenge1"] .answer-option {
    grid-template-columns: 1fr;
    justify-items: center;
    min-height: 82px;
    padding: 9px 7px;
    text-align: center;
  }

  .room-screen[data-screen-id="level2.challenge1"] .answer-marker {
    width: 28px;
    height: 28px;
  }

  .room-screen[data-screen-id="level2.challenge1"] .answer-text {
    font-size: 0.88rem;
    line-height: 1.14;
  }
}