:root {
  --bg: #F2EDE4;
  --bg-card: #FAF8F4;
  --text: #1A1A1A;
  --text-light: #8A8279;
  --accent: #E8384F;
  --accent-hover: #C72E42;
  --teal: #1A8C7E;
  --green: #3A7D5C;
  --border: #D4CBC0;
  --border-dark: #1A1A1A;
  --font-serif: 'Noto Serif TC', Georgia, serif;
  --font-sans: 'Noto Sans TC', 'Helvetica Neue', sans-serif;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

.page {
  display: none;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  align-items: center;
  justify-content: center;
}

.page.active {
  display: flex;
}

/* ── Shared ── */

.rule { height: 1px; background: var(--border-dark); margin: 20px 0; }
.rule-bold { height: 3px; background: var(--border-dark); margin: 18px 0; }
.rule-thin { height: 1px; background: var(--border); margin: 16px 0; }
.rule-dashed { border: none; border-top: 1px dashed var(--border); margin: 20px 0; }
.rule-double { height: 0; border-top: 3px double var(--border-dark); margin: 12px 0; }

.stripe {
  height: 7px;
  background: repeating-linear-gradient(-45deg, var(--accent), var(--accent) 3px, transparent 3px, transparent 6px);
}

/* ── Language toggle ── */

.lang-btn {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 100;
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--border-dark);
  background: var(--bg);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
  color: var(--text);
}

.lang-btn:hover {
  background: var(--border-dark);
  color: var(--bg);
}

/* ── Home ── */

#page-home {
  flex-direction: column;
}

.home-container {
  max-width: 520px;
  width: 100%;
  padding: 48px 32px;
  margin: auto;
  text-align: center;
}

/* ── Marquee ── */

.marquee {
  width: 100%;
  overflow: hidden;
  opacity: 0.12;
  pointer-events: none;
  user-select: none;
  padding: 10px 0;
}

.marquee-track {
  display: flex;
  gap: 8px;
  width: max-content;
}

.marquee-top .marquee-track {
  animation: scroll-left 40s linear infinite;
}

.marquee-bottom .marquee-track {
  animation: scroll-right 40s linear infinite;
}

.marquee-item {
  width: 100px;
  height: 66px;
  background: var(--border-dark);
  border-radius: 2px;
  flex-shrink: 0;
  overflow: hidden;
}

.marquee-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
}

@keyframes scroll-left {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes scroll-right {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.home-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.home-tag {
  font-size: 9px;
  letter-spacing: 2px;
  font-weight: 700;
  background: var(--border-dark);
  color: var(--bg);
  padding: 3px 8px;
  text-transform: uppercase;
}

.home-date {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-light);
  text-transform: uppercase;
}

.home-title {
  padding: 20px 0;
}

.home-year {
  display: block;
  font-family: var(--font-serif);
  font-size: 80px;
  font-weight: 900;
  letter-spacing: 10px;
  line-height: 1;
  margin-bottom: 10px;
}

.home-title h1 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 4px;
  line-height: 1.7;
}

.home-title h1 span {
  display: block;
}

.home-feature {
  margin-bottom: 28px;
}

.home-feature-tag {
  display: block;
  font-size: 10px;
  letter-spacing: 6px;
  color: var(--text-light);
  margin-bottom: 8px;
}

.home-subtitle {
  font-size: 13px;
  color: var(--text-light);
  letter-spacing: 2px;
  line-height: 1.8;
}

.btn-start {
  display: inline-block;
  padding: 14px 48px;
  border: 2px solid var(--border-dark);
  background: var(--border-dark);
  color: var(--bg);
  font-family: var(--font-sans);
  font-size: 15px;
  letter-spacing: 5px;
  cursor: pointer;
  transition: background 0.3s, color 0.3s, transform 0.1s;
  margin-bottom: 8px;
}

.btn-start:hover {
  background: transparent;
  color: var(--border-dark);
}

.btn-start:active {
  transform: scale(0.97);
}

.home-footer {
  margin-top: 6px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.home-footer span {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--text-light);
  text-transform: uppercase;
}

.home-footer-jp {
  font-family: var(--font-serif);
  font-size: 9px !important;
  letter-spacing: 3px !important;
  text-transform: none !important;
}

.home-vertical-left,
.home-vertical-right {
  position: fixed;
  writing-mode: vertical-rl;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 8px;
  color: var(--border);
  top: 50%;
  transform: translateY(-50%);
  user-select: none;
  pointer-events: none;
}

.home-vertical-left { left: 20px; }
.home-vertical-right { right: 20px; }

/* ── Quiz ── */

#page-quiz {
  background-image: radial-gradient(circle, rgba(0,0,0,0.025) 1px, transparent 1px);
  background-size: 16px 16px;
}

.quiz-container {
  max-width: 560px;
  width: 100%;
  padding: 48px 32px;
}

.quiz-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
}

.quiz-q-label {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 900;
  line-height: 1;
}

.quiz-progress-text {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-light);
  font-variant-numeric: tabular-nums;
}

.quiz-progress-bar {
  height: 2px;
  background: var(--border);
  margin-bottom: 40px;
}

.quiz-progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.4s ease;
}

.quiz-body {
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.quiz-body.exiting {
  opacity: 0;
  transform: translateY(-10px);
}

.quiz-body.entering {
  opacity: 0;
  transform: translateY(10px);
}

.quiz-question {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.8;
  margin-bottom: 32px;
  letter-spacing: 0.5px;
  white-space: pre-line;
}

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

.quiz-option {
  display: block;
  width: 100%;
  padding: 16px 20px;
  border: 1px solid var(--border);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
  letter-spacing: 0.3px;
  line-height: 1.6;
  color: var(--text);
  overflow: hidden;
  z-index: 0;
}

.quiz-option::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: rgba(58, 125, 92, 0.07);
  transition: width 0.25s ease;
  z-index: -1;
}

.quiz-option:hover {
  border-color: var(--border-dark);
}

.quiz-option:hover::before {
  width: 100%;
}

.quiz-option.selected {
  border-color: var(--green);
}

.quiz-option.selected::before {
  width: 100%;
  background: rgba(58, 125, 92, 0.10);
  transition: width 0.4s ease;
}

.quiz-option:disabled {
  pointer-events: none;
}

/* ── Result ── */

.result-container {
  max-width: 480px;
  width: 100%;
  padding: 32px 16px;
}

.result-card {
  background: var(--bg-card);
  border: 2px solid var(--border-dark);
  position: relative;
  overflow: hidden;
  animation: cardIn 0.5s ease both;
}

.result-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 7px;
  background: repeating-linear-gradient(-45deg, var(--accent), var(--accent) 3px, transparent 3px, transparent 6px);
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.result-card-top {
  background: var(--border-dark);
  color: var(--border);
  padding: 10px 24px;
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.result-card-body {
  padding: 28px 24px 32px;
}

.result-label {
  text-align: center;
  font-size: 12px;
  letter-spacing: 5px;
  color: var(--text-light);
  margin-bottom: 4px;
}

.result-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px dashed var(--border);
  margin: 16px 0;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

.result-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}

.result-img-wrap img.loaded {
  display: block;
}

.result-img-wrap img.loaded + .result-img-placeholder {
  display: none;
}

.result-img-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--border);
  user-select: none;
}

.result-anime-name {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 3px;
  margin: 8px 0 4px;
  line-height: 1.5;
}

.result-anime-romaji {
  text-align: center;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-light);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.result-type {
  margin: 18px 0 14px;
}

.result-type-label {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 1px;
  font-weight: 500;
}

.result-type-name {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 700;
  margin-left: 4px;
}

.result-description {
  font-size: 13px;
  line-height: 2;
  letter-spacing: 0.3px;
}

.result-keywords {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.5px;
}

.result-section {
  margin-bottom: 18px;
}

.result-section-title {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 10px;
  color: var(--text);
}

.result-section-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.result-section-item {
  border: 1px solid var(--border);
  padding: 10px 14px;
}

.result-section-item-name {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.result-section-avoid .result-section-item-name::before {
  content: '\00d7\00a0';
  font-weight: 400;
}

.result-section-item-why {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 0.3px;
  line-height: 1.6;
}

.result-footer {
  text-align: center;
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--text-light);
  margin-top: 14px;
  padding-bottom: 8px;
}

.result-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  justify-content: center;
}

.btn-action {
  padding: 12px 28px;
  border: 1px solid var(--border-dark);
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 3px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  color: var(--text);
}

.btn-action:hover {
  background: var(--border-dark);
  color: var(--bg);
}

.btn-share {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-share:hover {
  background: var(--accent);
  color: #fff;
}

/* ── Responsive ── */

@media (max-width: 640px) {
  .home-vertical-left,
  .home-vertical-right {
    display: none;
  }

  .home-year {
    font-size: 56px;
    letter-spacing: 6px;
  }

  .home-title h1 {
    font-size: 24px;
  }

  .home-container {
    padding: 40px 24px;
  }

  .quiz-container {
    padding: 36px 24px;
  }

  .quiz-q-label {
    font-size: 34px;
  }

  .quiz-question {
    font-size: 18px;
    margin-bottom: 24px;
  }

  .quiz-option {
    padding: 13px 16px;
    font-size: 13px;
  }

  .result-card-body {
    padding: 24px 20px 28px;
  }

  .result-anime-name {
    font-size: 22px;
    letter-spacing: 2px;
  }

  .btn-action {
    padding: 10px 22px;
    font-size: 12px;
  }

  .lang-btn {
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
  }

  .marquee-item {
    width: 80px;
    height: 53px;
  }
}