/* ==========================================================================
   Plano de metro del curso (路線図): 6 líneas = 6 rangos, estaciones = niveles,
   transbordos = puertas con su guardián, terminal = la Puerta del Dragón.
   ========================================================================== */

.metro-head { display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px; align-items: end; padding-top: clamp(22px, 4vw, 44px); padding-bottom: 18px; }
@media (max-width: 900px) { .metro-head { grid-template-columns: 1fr; } }
.metro-title h1 { margin: 10px 0 12px; }

/* ---------- panel de salidas (letras de puntos) ---------- */
.departures {
  background: #0e0d10; border: var(--line) solid var(--ink); border-radius: 16px; box-shadow: var(--shadow-lg);
  padding: 14px 16px 12px; color: #ffb43a; font-family: "DotGothic16", var(--f-jp), monospace; position: relative; overflow: hidden;
}
.departures::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(0deg, rgba(0,0,0,.25) 0 1px, transparent 1px 3px); }
.dep-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 0 10px; font-size: 12px; letter-spacing: .12em; color: #8f8a83; margin-bottom: 10px; }
.dep-top .dep-clock { color: #ffb43a; }
.dep-row { display: grid; grid-template-columns: 84px 70px minmax(0, 1fr); column-gap: 14px; row-gap: 3px; align-items: center; padding: 10px 10px; border-top: 1px solid rgba(255,180,58,.18); font-size: 17px; letter-spacing: .04em; }
.dep-row .dep-k { grid-row: 1 / span 2; font-size: 13px; color: #8f8a83; line-height: 1.3; }
.dep-row .dep-code { grid-row: 1 / span 2; display: inline-grid; place-items: center; height: 28px; padding: 0 8px; border-radius: 6px; color: #fff; font-size: 14px; letter-spacing: .06em; }
/* el destino se parte en líneas en vez de cortarse con «…»; la línea va debajo, en pequeño */
.dep-row .dep-dest { grid-column: 3; color: #ffd27a; line-height: 1.3; overflow-wrap: anywhere; }
.dep-row.is-next .dep-dest { animation: blinkDot 2.4s steps(1) infinite; }
.dep-row .dep-line { grid-column: 3; font-size: 12px; line-height: 1.3; letter-spacing: .06em; color: #8fd6b8; }
.dep-row.dim .dep-dest { color: #c89a4c; }
@keyframes blinkDot { 0%, 85% { opacity: 1; } 86%, 100% { opacity: .35; } }
.dep-foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; margin-top: 10px; gap: 10px 14px; padding: 0 0 0 10px; }
.dep-foot .dep-k { font-size: 12px; color: #8f8a83; letter-spacing: .1em; }
.dep-foot .btn { min-height: 40px; padding-inline: 16px; font-size: 13px; box-shadow: 2px 2px 0 #ffb43a; border-color: #ffb43a; position: relative; z-index: 1; }
/* por debajo de 1100 la línea ya se ve en el color del código: fuera esa columna, que el destino quepa entero */
/* móvil: columnas más estrechas; la línea ya se ve en el color del código */
@media (max-width: 560px) {
  .departures { padding: 12px 12px 12px; }
  .dep-top { padding: 0 8px; }
  .dep-row { grid-template-columns: 50px 58px minmax(0, 1fr); column-gap: 10px; padding: 9px 8px; font-size: 15px; }
  .dep-row .dep-k { font-size: 12px; line-height: 1.35; }
  .dep-row .dep-code { font-size: 13px; padding: 0 6px; }
  .dep-row .dep-line { display: none; }
  .dep-row .dep-k, .dep-row .dep-code { grid-row: auto; }
  .dep-foot { padding-left: 8px; }
}

/* ---------- leyenda de líneas ---------- */
.lines-legend { display: flex; gap: 12px 14px; flex-wrap: wrap; padding: 8px 0 24px; }
.legend-line {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 18px 8px 8px; text-decoration: none;
  background: var(--white); border: 2px solid var(--ink); border-radius: 999px; box-shadow: var(--shadow-sm);
  font: 800 12.5px/1.2 var(--f-display); letter-spacing: .04em; text-transform: uppercase; transition: transform .15s;
}
.legend-line:hover { transform: translateY(-2px); }
.legend-line small { display: block; font: 600 12px/1.25 var(--f-body); letter-spacing: 0; text-transform: none; color: var(--ink-soft); margin-top: 3px; }
.line-badge {
  width: 30px; height: 30px; flex: none; border-radius: 50%; display: grid; place-items: center;
  background: #fff; border: 5px solid var(--lc); color: var(--ink); font: 900 14px/1 var(--f-display); box-shadow: 0 0 0 2px var(--ink);
}
.legend-line .mini-bar { flex: none; width: 46px; height: 6px; border-radius: 3px; background: var(--paper-3); overflow: hidden; margin-left: 8px; }
.legend-line .mini-bar i { display: block; height: 100%; width: var(--v); background: var(--lc); }

/* ---------- el plano ---------- */
.metro-wrap {
  border-top: var(--line) solid var(--ink); border-bottom: var(--line) solid var(--ink); overflow-x: clip;
  background-color: #fbf8f1;
  background-image: linear-gradient(rgba(22,20,24,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(22,20,24,.045) 1px, transparent 1px);
  background-size: 28px 28px;
}
.metro { position: relative; width: 100%; max-width: 1240px; margin: 0 auto; }
.metro svg.metro-lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }

/* estaciones (capa HTML encima del SVG) */
.station { position: absolute; transform: translate(-50%, -50%); z-index: 2; }
.st-btn { position: relative; display: block; padding: 0; border: 0; background: none; cursor: pointer; }
.st-dot {
  display: block; width: 26px; height: 26px; border-radius: 50%; background: #fff; border: 5px solid var(--ink);
  transition: transform .2s cubic-bezier(.3,1.6,.5,1);
}
.st-btn:hover .st-dot, .st-btn:focus-visible .st-dot { transform: scale(1.25); }
.station.is-done .st-dot { background: var(--lc); border-color: var(--ink); }
.station.is-done .st-dot::after { content: "✓"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font: 900 12px/1 var(--f-display); }
.station.is-next .st-dot { background: var(--gold-2); box-shadow: 0 0 0 6px rgba(255,216,106,.55); animation: pulse 1.6s ease-in-out infinite; }
.station.is-soon .st-dot { border-color: #b4ab9c; background: #f3efe6; }
.st-label {
  position: absolute; left: 50%; top: calc(100% + 10px); transform: translateX(-50%); width: var(--lw, 128px);
  text-align: center; pointer-events: none;
}
.st-code {
  display: inline-flex; align-items: center; gap: 3px; height: 22px; padding: 0 7px; border-radius: 6px;
  background: var(--lc); color: var(--lt, #fff); font: 800 11.5px/1 var(--f-display); letter-spacing: .06em; border: 2px solid var(--ink);
}
.st-code b { font-weight: 900; }
.st-name { display: block; margin-top: 5px; font: 800 13px/1.15 var(--f-display); text-transform: uppercase; letter-spacing: .01em; }
.station.is-soon .st-name { color: var(--ink-soft); }
.station.is-soon .st-code { filter: grayscale(.4) opacity(.8); }

/* transbordo = puerta con guardián */
.station.is-gate .st-dot {
  width: 86px; height: 86px; border-width: 6px; background: var(--gc); overflow: hidden; position: relative;
  box-shadow: 0 0 0 5px #fff, 0 0 0 9px var(--ink);
}
.station.is-gate .st-dot img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.station.is-gate.is-open .st-dot { box-shadow: 0 0 0 5px var(--gold-2), 0 0 0 9px var(--ink); }
.station.is-gate.is-done .st-dot::after { content: none; }
.gate-tag {
  position: absolute; top: 50%; transform: translateY(-50%); width: max-content; max-width: 220px;
  background: var(--ink); color: var(--paper); border-radius: 12px; padding: 9px 14px 10px; pointer-events: none;
  font: 800 13px/1.15 var(--f-display); text-transform: uppercase; box-shadow: 3px 3px 0 rgba(0,0,0,.18);
}
.gate-tag small { display: block; font: 600 12px/1.25 var(--f-body); text-transform: none; color: var(--gold-2); margin-top: 3px; }
.gate-tag .xfer { white-space: nowrap; display: flex; align-items: center; gap: 6px; margin-top: 7px; font: 700 11px/1 var(--f-display); letter-spacing: .06em; color: #cfc6b6; }
.gate-tag .xfer .line-badge { width: 22px; height: 22px; border-width: 4px; font-size: 11px; box-shadow: 0 0 0 1.5px #fff; }
.station.tag-left .gate-tag { right: calc(100% + 18px); }
.station.tag-right .gate-tag { left: calc(100% + 18px); }

/* terminal: la Puerta del Dragón */
.station.is-terminal .st-dot { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 0 0 6px var(--gold-2), 0 0 0 10px var(--ink); }
.terminal-sign { position: absolute; left: -6px; top: calc(100% + 18px); pointer-events: none;
  background: var(--seal-dark); color: var(--gold-2); border: 3px solid var(--ink); border-radius: 10px; padding: 6px 16px 7px; white-space: nowrap; /* sobre --seal el oro daba 4,28:1 */
  font: 400 22px/1.2 var(--f-brush); box-shadow: 3px 3px 0 var(--ink); }

/* inicio: el remanso */
.station.is-origin .st-dot { width: 40px; height: 40px; border-width: 6px; }

/* cartel de la línea al empezar cada fila */
.line-sign {
  position: absolute; transform: translate(0, -50%); display: flex; align-items: center; gap: 8px; z-index: 2; pointer-events: none;
  background: #fff; border: 2px solid var(--ink); border-radius: 999px; padding: 5px 16px 5px 5px; box-shadow: var(--shadow-sm);
  font: 800 12px/1.2 var(--f-display); text-transform: uppercase; letter-spacing: .04em; white-space: nowrap;
}
.line-sign small { display: block; margin-top: 2px; font: 600 11.5px/1.2 var(--f-body); text-transform: none; letter-spacing: 0; color: var(--ink-soft); }
.line-sign .jp { font-family: var(--f-jp); }
.line-sign.on-track { transform: translate(-50%, -50%); }

/* tú estás aquí: tren con Mikan + 現在地 */
.train { position: absolute; z-index: 3; width: 92px; transform: translate(-50%, -50%); pointer-events: none; transition: left .9s cubic-bezier(.5,0,.3,1), top .9s cubic-bezier(.5,0,.3,1); }
/* el bote va en el contenedor (HTML), no en el <svg> con filtro: así no se repinta cada fotograma (CPU 5 % → 0,3 %) */
.train { animation: trainBob 1.1s ease-in-out infinite; }
.train svg { width: 100%; display: block; filter: drop-shadow(2px 3px 0 rgba(22,20,24,.35)); }
.train.flip svg { transform: scaleX(-1); }
@keyframes trainBob { 0%, 100% { translate: 0 0; } 50% { translate: 0 -2px; } }
.here-pin {
  position: absolute; z-index: 4; translate: -50% -100%; pointer-events: none;
  background: var(--seal); color: #fff; border: 3px solid var(--ink); border-radius: 12px; padding: 5px 11px 6px; text-align: center; white-space: nowrap;
  font: 900 15px/1.1 var(--f-jp); box-shadow: 2px 3px 0 var(--ink); animation: floaty 2.2s ease-in-out infinite;
}
.here-pin small { display: block; font: 800 11px/1.1 var(--f-display); letter-spacing: .08em; margin-top: 3px; }
.here-pin::after { content: ""; position: absolute; left: 50%; bottom: -11px; width: 14px; height: 14px; background: var(--seal); border-right: 3px solid var(--ink); border-bottom: 3px solid var(--ink); transform: translateX(-50%) rotate(45deg); }

/* ---------- versión móvil: líneas en vertical ---------- */
.metro.is-vertical { padding: 18px 14px 40px; }
.v-line { position: relative; padding-left: 52px; }
.v-line::before { content: ""; position: absolute; left: 22px; top: 0; bottom: 0; width: 12px; background: var(--lc); border-left: 3px solid var(--ink); border-right: 3px solid var(--ink); }
.v-line.is-first::before { top: 24px; }
.v-line.is-last::before { bottom: 50%; }
.v-head { position: relative; display: flex; align-items: center; gap: 10px; padding: 14px 0 10px; margin-left: -52px; }
.v-head .line-badge { width: 44px; height: 44px; border-width: 7px; font-size: 19px; position: relative; z-index: 1; margin-left: 6px; }
.v-head b { font: 900 16px/1.05 var(--f-display); text-transform: uppercase; }
.v-head small { display: block; font: 600 12.5px/1.3 var(--f-body); color: var(--ink-soft); margin-top: 3px; }
.v-st { position: relative; display: flex; align-items: center; gap: 12px; padding: 10px 0; width: 100%; text-align: left; background: none; border: 0; cursor: pointer; }
.v-st .st-dot { position: absolute; left: -41px; width: 24px; height: 24px; }
.v-st .v-txt b { display: block; font: 800 14px/1.15 var(--f-display); text-transform: uppercase; }
.v-st .v-txt small { display: block; font: 500 13px/1.35 var(--f-body); color: var(--ink-soft); margin-top: 4px; }
.v-st.is-done .st-dot { background: var(--lc); }
.v-st.is-done .st-dot::after { content: "✓"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font: 900 11px/1 var(--f-display); }
.v-st.is-next .st-dot { background: var(--gold-2); box-shadow: 0 0 0 6px rgba(255,216,106,.55); }
.v-st.is-next { background: #fff7d6; border: 2px solid var(--ink); border-radius: 12px; padding: 10px 12px; margin: 6px 0; box-shadow: var(--shadow-sm); }
.v-st.is-next .st-dot { left: -51px; }
.v-st.is-soon .v-txt b { color: var(--ink-soft); }
.v-st.is-soon .st-dot { border-color: #b4ab9c; background: #f3efe6; }
.v-here { margin-left: auto; flex: none; background: var(--seal); color: #fff; border: 2px solid var(--ink); border-radius: 8px; padding: 4px 8px; font: 900 12px/1.1 var(--f-jp); text-align: center; }
.v-here small { display: block; max-width: 7ch; margin: 2px auto 0; font: 700 11px/1.15 var(--f-display); letter-spacing: .02em; } /* 現在地 solo en japonés no se entendía */
.v-gate {
  position: relative; display: flex; align-items: center; gap: 12px; margin: 12px 0 12px -44px; padding: 10px 14px 10px 10px; width: calc(100% + 44px);
  background: var(--ink); color: var(--paper); border-radius: 18px; border: 3px solid var(--ink); text-align: left; cursor: pointer;
}
.v-gate .g-face { width: 64px; height: 64px; flex: none; border-radius: 50%; overflow: hidden; background: var(--gc); box-shadow: 0 0 0 4px #fff; }
.v-gate.is-open .g-face { box-shadow: 0 0 0 4px var(--gold-2); }
.v-gate img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.v-gate b { display: block; font: 900 14px/1.25 var(--f-display); text-transform: uppercase; }
.v-gate small { display: block; font: 600 12.5px/1.3 var(--f-body); color: var(--gold-2); margin-top: 4px; }
.v-gate .xfer { white-space: nowrap; display: flex; align-items: center; gap: 6px; margin-top: 8px; font: 700 11px/1 var(--f-display); letter-spacing: .06em; color: #cfc6b6; }
.v-gate .xfer .line-badge { width: 22px; height: 22px; border-width: 4px; font-size: 11px; box-shadow: 0 0 0 1.5px #fff; }

/* ---------- cartel de estación (駅名標) ---------- */
.sign-modal .modal-box { width: min(560px, 100%); }
.eki-sign { background: #fff; border: var(--line-thick) solid var(--ink); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-lg); }
.eki-band { height: 16px; background: var(--lc); border-bottom: 3px solid var(--ink); }
.eki-main { padding: 20px 22px 8px; text-align: center; position: relative; }
.eki-main .st-code { height: 30px; padding: 0 10px; font-size: 14px; }
.eki-main .eki-jp { font: 900 15px/1 var(--f-jp); color: var(--ink-soft); margin-top: 12px; letter-spacing: .3em; }
.eki-main h2 { font-size: clamp(26px, 5vw, 38px); margin: 6px 0 4px; }
.eki-main p { color: var(--ink-2); margin: 6px auto 0; max-width: 42ch; }
.eki-nav { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; margin-top: 18px; padding: 12px 18px; background: var(--lc); border-top: 3px solid var(--ink); color: var(--lt, #fff); }
.eki-nav button { color: var(--lt, #fff) !important; }
.eki-nav button { background: none; border: 0; color: #fff; font: 800 13px/1.15 var(--f-display); text-transform: uppercase; cursor: pointer; padding: 4px; }
.eki-nav button:disabled { opacity: .35; cursor: default; }
.eki-nav .prev { text-align: left; } .eki-nav .next { text-align: right; }
.eki-nav .here { width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--ink); }
.eki-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; padding: 16px; }
.eki-x { position: absolute; top: 10px; right: 10px; }

/* ficha al pasar el ratón: qué aprendes en esa estación */
.st-tip {
  position: absolute; left: 50%; bottom: calc(100% + 14px); transform: translateX(-50%) translateY(6px); width: 230px; z-index: 6;
  background: #fff; border: 2px solid var(--ink); border-radius: 12px; box-shadow: var(--shadow-sm); padding: 10px 12px;
  font: 500 13px/1.4 var(--f-body); color: var(--ink-2); text-align: left; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .15s, transform .15s, visibility .15s;
}
.st-tip b { display: block; font: 800 11px/1.2 var(--f-display); letter-spacing: .1em; text-transform: uppercase; color: var(--lc); margin-bottom: 4px; }
.st-btn:hover .st-tip, .st-btn:focus-visible .st-tip { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.station.is-next .st-tip { bottom: calc(100% + 70px); }
@media (hover: none) { .st-tip { display: none; } }

.here-pin.below { translate: -50% 0; }
.here-pin.below::after { top: -11px; bottom: auto; transform: translateX(-50%) rotate(225deg); }
/* nombres de estación: como mucho 3 líneas */
.st-name { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
/* plano estrecho: letra algo menor y una línea más, para que los títulos largos no acaben en «…» */
@media (max-width: 1099px) { .st-name { -webkit-line-clamp: 4; font-size: 12px; letter-spacing: 0; } }

/* cartel de estación: cara del guardián, subtítulo de transbordo y etiquetas */
.eki-face { display: block; width: 84px; height: 84px; margin: -4px auto 10px; border-radius: 50%; overflow: hidden; background: var(--gc); border: var(--line) solid var(--ink); box-shadow: 0 0 0 4px #fff, 0 0 0 6px var(--ink); }
.eki-face img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.eki-main .eki-sub { font: 800 12.5px/1.3 var(--f-display); letter-spacing: .08em; text-transform: uppercase; color: var(--seal); margin-top: 0; }
.eki-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.eki-tags:empty { display: none; }
.eki-nav button small { display: block; font: 800 11px/1.1 var(--f-display); letter-spacing: .1em; opacity: .8; margin-bottom: 4px; }
.eki-nav button:not(:disabled):hover { text-decoration: underline; text-underline-offset: 3px; }

/* puerta en la versión móvil: código de estación junto al nombre */
.v-gate b .st-code { height: 22px; padding: 0 7px; font-size: 11.5px; border-color: var(--paper); vertical-align: 2px; margin-right: 2px; }

/* leyenda en el móvil: 2 columnas compactas, sin la descripción del rango */
@media (max-width: 560px) {
  .lines-legend { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding-bottom: 20px; }
  /* chapa en rejilla: insignia a la izquierda; nombre, avance y barra apilados con aire */
  .legend-line { display: grid; grid-template-columns: auto minmax(0, 1fr); column-gap: 8px; row-gap: 5px; align-items: center; padding: 8px 14px 9px 8px; border-radius: 18px; font-size: 11.5px; }
  .legend-line .jp, .legend-line .ll-desc { display: none; }
  .legend-line .line-badge { grid-row: 1 / span 2; width: 28px; height: 28px; border-width: 4px; font-size: 12px; }
  .legend-line .mini-bar { grid-column: 2; width: auto; height: 5px; margin: 0; }
}

/* el japonés de los títulos no se parte a mitad de palabra (jpWrap en course-map.js) */
.jw { white-space: nowrap; }

@media (prefers-reduced-motion: reduce) { .train { animation: none; } }

/* hueco reservado mientras el JS pinta el panel de salidas y la leyenda (el plano saltaba al cargar: CLS 0,055 a 1280) */
.departures:empty { min-height: 172px; }
.lines-legend:empty { min-height: 154px; }
@media (max-width: 900px) { .lines-legend:empty { min-height: 221px; } }