/* =============================================
   Cycletripbase Guide – Frontend Styles
   ============================================= */

:root {
  --ctb-red:    #E8372A;
  --ctb-cream:  #FBF5EC;
  --ctb-ink:    #1A1410;
  --ctb-gold:   #C9962F;
  --ctb-sage:   #6B8C6A;
  --ctb-sky:    #3A7DC9;
  --ctb-card:   #FFFDF8;
  --ctb-border: rgba(26,20,16,0.1);
}

.ctb-app {
  font-family: 'DM Sans', sans-serif;
  color: var(--ctb-ink);
  max-width: 100%;
  overflow-x: hidden;
}

/* ── HERO ── */
.ctb-hero {
  background: var(--ctb-ink);
  color: #fff;
  padding: 52px 28px 60px;
  text-align: center;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  margin-bottom: 36px;
}
.ctb-hero::before {
  content: '東京';
  font-family: 'Noto Serif JP', serif;
  font-size: 160px;
  font-weight: 700;
  color: rgba(255,255,255,0.04);
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  white-space: nowrap;
  pointer-events: none;
}
.ctb-hero-eyebrow {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--ctb-gold);
  font-weight: 600;
  margin-bottom: 14px;
}
.ctb-hero-title {
  font-family: 'Shrikhand', cursive;
  font-size: clamp(32px,6vw,58px);
  line-height: 1.1;
  margin: 0 0 16px;
}
.ctb-hero-title span { color: var(--ctb-red); }
.ctb-hero-desc {
  font-size: 15px;
  opacity: .75;
  max-width: 460px;
  margin: 0 auto 20px;
  line-height: 1.7;
}
.ctb-start-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 40px;
  padding: 8px 18px;
  font-size: 13px;
  color: rgba(255,255,255,.9);
}

/* ── QUIZ ── */
.ctb-quiz-section { margin-bottom: 40px; }

.ctb-progress-outer {
  background: var(--ctb-border);
  height: 4px;
  border-radius: 4px;
  margin-bottom: 28px;
  overflow: hidden;
}
.ctb-progress-inner {
  height: 100%;
  background: linear-gradient(90deg, var(--ctb-red), var(--ctb-gold));
  border-radius: 4px;
  transition: width .5s cubic-bezier(.4,0,.2,1);
}

.ctb-question-card {
  background: var(--ctb-card);
  border-radius: 20px;
  padding: 34px 30px;
  box-shadow: 0 4px 40px rgba(0,0,0,.07);
  animation: ctbSlideUp .4s cubic-bezier(.4,0,.2,1);
}
@keyframes ctbSlideUp {
  from { opacity:0; transform:translateY(18px); }
  to   { opacity:1; transform:translateY(0); }
}
.ctb-q-step {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ctb-red);
  margin-bottom: 8px;
}
.ctb-q-text {
  font-size: clamp(17px,3vw,22px);
  font-weight: 600;
  line-height: 1.35;
  margin-bottom: 24px;
}

/* Options */
.ctb-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px,1fr));
  gap: 10px;
}
.ctb-option-btn {
  background: #fff;
  border: 2px solid var(--ctb-border);
  border-radius: 14px;
  padding: 18px 12px;
  cursor: pointer;
  text-align: center;
  transition: all .2s ease;
  font-family: 'DM Sans', sans-serif;
  color: var(--ctb-ink);
  position: relative;
  overflow: hidden;
}
.ctb-option-btn:hover {
  border-color: var(--ctb-red);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(232,55,42,.15);
}
.ctb-option-btn.ctb-selected {
  border-color: var(--ctb-red);
  background: linear-gradient(135deg,#FFF0EE,#FFF8F7);
  box-shadow: 0 4px 20px rgba(232,55,42,.18);
}
.ctb-option-btn.ctb-selected::after {
  content: '✓';
  position: absolute;
  top: 8px; right: 9px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ctb-red);
}
.ctb-option-icon  { font-size: 30px; display: block; margin-bottom: 7px; }
.ctb-option-label { font-size: 13px; font-weight: 500; line-height: 1.3; }

/* Nav */
.ctb-q-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 26px;
  gap: 10px;
}
.ctb-btn-back {
  background: transparent;
  border: 2px solid var(--ctb-border);
  border-radius: 12px;
  padding: 12px 22px;
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  color: var(--ctb-ink);
  transition: border-color .2s;
}
.ctb-btn-back:hover { border-color: var(--ctb-ink); }

.ctb-btn-next {
  background: var(--ctb-red);
  border: none;
  border-radius: 12px;
  padding: 13px 34px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  color: #fff;
  transition: all .2s;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.ctb-btn-next:hover:not(:disabled) { background: #c92d21; transform: translateX(2px); }
.ctb-btn-next:disabled { background: #ccc; cursor: not-allowed; transform: none; }

/* ── LOADING ── */
.ctb-loading {
  text-align: center;
  padding: 70px 24px;
}
.ctb-spinner {
  width: 60px; height: 60px;
  border: 4px solid rgba(232,55,42,.2);
  border-top-color: var(--ctb-red);
  border-radius: 50%;
  animation: ctbSpin .9s linear infinite;
  margin: 0 auto 22px;
}
@keyframes ctbSpin { to { transform: rotate(360deg); } }
.ctb-loading-text { font-size: 18px; font-weight: 500; }
.ctb-loading-sub  { font-size: 14px; color: #888; margin-top: 7px; }

/* ── RESULTS ── */
.ctb-results-header { text-align: center; margin-bottom: 32px; }
.ctb-eyebrow {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--ctb-red);
  font-weight: 600;
  margin-bottom: 8px;
}
.ctb-results-title {
  font-family: 'Shrikhand', cursive;
  font-size: clamp(26px,5vw,42px);
  line-height: 1.2;
  margin: 0 0 10px;
}
.ctb-results-subtitle { font-size: 15px; color: #666; margin: 0; line-height: 1.6; }

/* Map */
.ctb-map {
  width: 100%;
  height: 420px;
  border-radius: 18px;
  overflow: hidden;
  margin-bottom: 28px;
  box-shadow: 0 8px 40px rgba(0,0,0,.12);
  z-index: 0;
}

/* Spots Grid */
.ctb-spots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px,1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.ctb-spot-card {
  background: var(--ctb-card);
  border-radius: 15px;
  padding: 20px 18px;
  box-shadow: 0 2px 18px rgba(0,0,0,.06);
  border-left: 4px solid var(--ctb-red);
  cursor: pointer;
  transition: all .2s;
  animation: ctbSlideUp .4s cubic-bezier(.4,0,.2,1) both;
}
.ctb-spot-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,.12);
}
.ctb-spot-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px; height: 26px;
  background: var(--ctb-red);
  color: #fff;
  border-radius: 50%;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 9px;
}
.ctb-spot-cat  { font-size: 11px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ctb-gold); margin-bottom: 6px; }
.ctb-spot-name { font-size: 15px; font-weight: 600; margin-bottom: 6px; line-height: 1.3; }
.ctb-spot-desc { font-size: 13px; color: #666; line-height: 1.6; }
.ctb-spot-dist { margin-top: 9px; font-size: 12px; color: var(--ctb-sage); font-weight: 500; }

/* Actions */
.ctb-route-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 8px;
}
.ctb-btn-route {
  background: var(--ctb-ink);
  color: #fff;
  border: none;
  border-radius: 14px;
  padding: 15px 30px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  transition: all .2s;
  text-decoration: none;
}
.ctb-btn-route:hover { background: #333; transform: translateY(-2px); color: #fff; }

.ctb-btn-restart {
  background: transparent;
  color: var(--ctb-ink);
  border: 2px solid var(--ctb-border);
  border-radius: 14px;
  padding: 15px 30px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .2s;
}
.ctb-btn-restart:hover { border-color: var(--ctb-ink); }

/* Error */
.ctb-error {
  background: #fff5f5;
  border: 1px solid #fca5a5;
  border-radius: 12px;
  padding: 20px;
  color: #c00;
  font-size: 14px;
  text-align: center;
  margin-top: 20px;
}

/* Popup */
.ctb-popup strong { display: block; font-size: 14px; margin-bottom: 3px; color: var(--ctb-ink); }
.ctb-popup em     { color: var(--ctb-gold); font-style: normal; font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }

@media (max-width: 500px) {
  .ctb-question-card { padding: 22px 16px; }
  .ctb-options-grid  { grid-template-columns: 1fr 1fr; }
  .ctb-map           { height: 300px; }
}