/* =====================================================================
   FS Rules Game - hoja de estilos
   Movil primero: la mayoria va a jugar desde el telefono.
   ===================================================================== */

:root {
  --bg:        #0B0E14;
  --bg-2:      #131822;
  --bg-3:      #1B2130;
  --line:      #2A3244;
  --txt:       #E8ECF4;
  --txt-dim:   #8B97AD;
  --accent:    #FFD400;   /* amarillo de banderas */
  --ok:        #35C86B;
  --bad:       #F0455B;
  --chasis:      #E2574C;
  --dinamica:    #F2A03D;
  --aero:        #37B5A6;
  --electronica: #4A7FE0;
  --driverless:  #9B5DE5;

  --r:  14px;
  --sp: 16px;
  font-size: 16px;
}

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

body {
  background: var(--bg);
  color: var(--txt);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 84px;            /* hueco para la barra inferior */
}

/* Franja de asfalto con linea de meta arriba del todo */
body::before {
  content: '';
  position: fixed; inset: 0 0 auto 0; height: 4px; z-index: 100;
  background: repeating-linear-gradient(90deg,
    var(--accent) 0 14px, #0B0E14 14px 28px);
  opacity: .85;
}

.wrap { max-width: 620px; margin: 0 auto; padding: 24px var(--sp); }

/* ---------- tipografia ---------- */
h1 { font-size: 1.6rem; font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.dim { color: var(--txt-dim); }
.small { font-size: .82rem; }
.mono { font-family: 'Consolas', 'SF Mono', monospace; }

/* ---------- barra superior de estado ---------- */
.hud {
  position: sticky; top: 4px; z-index: 50;
  display: flex; gap: 8px; align-items: center;
  background: rgba(19,24,34,.94);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: var(--r);
  padding: 10px 12px; margin-bottom: 20px;
}
.hud .chip { display: flex; align-items: center; gap: 5px; font-weight: 700; font-size: .9rem; }
.hud .chip small { color: var(--txt-dim); font-weight: 500; }
.hud .spacer { flex: 1; }

/* ---------- tarjetas ---------- */
.card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 18px;
  margin-bottom: 14px;
}

/* ---------- botones ---------- */
.btn {
  display: block; width: 100%;
  background: var(--bg-3); color: var(--txt);
  border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 16px;
  font: inherit; font-weight: 600; text-align: left;
  cursor: pointer;
  transition: transform .08s ease, border-color .15s ease, background .15s ease;
}
.btn:hover { border-color: #3C4761; background: #212838; }
.btn:active { transform: scale(.985); }
.btn.primary {
  background: var(--accent); color: #14171F; border-color: var(--accent);
  text-align: center; font-weight: 800;
}
.btn.primary:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn + .btn { margin-top: 10px; }

/* ---------- formularios ---------- */
label { display: block; font-size: .85rem; color: var(--txt-dim); margin: 12px 0 5px; }
input, select {
  width: 100%; background: var(--bg); color: var(--txt);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 12px; font: inherit;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.error {
  background: rgba(240,69,91,.12); border: 1px solid var(--bad);
  color: #FFC2CB; border-radius: 10px; padding: 10px 12px;
  font-size: .88rem; margin-top: 12px;
}

/* ---------- mapa de temporada ---------- */
.event {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: var(--r); padding: 14px; margin-bottom: 10px;
  cursor: pointer; transition: border-color .15s, transform .08s;
}
.event:hover  { border-color: var(--accent); }
.event:active { transform: scale(.99); }
.event.locked { opacity: .4; cursor: not-allowed; }
.event.locked:hover { border-color: var(--line); }
.event .num {
  flex: 0 0 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--bg-3); border: 2px solid var(--accent);
  font-weight: 800;
}
.event.locked .num { border-color: var(--line); }
.event .body { flex: 1; min-width: 0; }
.event .body b { display: block; }
.event .body span { color: var(--txt-dim); font-size: .84rem; }

/* ---------- selector de departamento ---------- */
.depts { display: grid; grid-template-columns: repeat(auto-fit, minmax(96px, 1fr)); gap: 8px; }
.dept {
  border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 8px; text-align: center; cursor: pointer;
  background: var(--bg-2); font-size: .82rem; font-weight: 600;
  transition: border-color .15s, background .15s;
}
.dept:hover { background: var(--bg-3); }
.dept.on { border-width: 2px; }
.dept .dot { display: block; width: 100%; height: 3px; border-radius: 2px; margin-bottom: 8px; }

/* ---------- pantalla de juego ---------- */
.timer { height: 6px; background: var(--bg-3); border-radius: 3px; overflow: hidden; margin-bottom: 18px; }
.timer i { display: block; height: 100%; background: var(--accent); transition: width .1s linear; }
.timer.warn i { background: var(--bad); }

.stem { font-size: 1.05rem; margin-bottom: 6px; }
.stem blockquote {
  border-left: 3px solid var(--accent);
  background: var(--bg-3);
  padding: 12px 14px; margin: 12px 0; border-radius: 0 8px 8px 0;
  font-size: .95rem; color: #D3DAE8;
}
.stem code { color: var(--accent); font-weight: 700; }

.opt { margin-top: 10px; }
.opt.ok  { border-color: var(--ok);  background: rgba(53,200,107,.12); }
.opt.bad { border-color: var(--bad); background: rgba(240,69,91,.12); }

.feedback { margin-top: 16px; border-radius: var(--r); padding: 14px; border: 1px solid var(--line); }
.feedback.ok  { border-color: var(--ok);  background: rgba(53,200,107,.08); }
.feedback.bad { border-color: var(--bad); background: rgba(240,69,91,.08); }
.feedback .verdict { font-weight: 800; margin-bottom: 6px; }
.feedback .cite {
  margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line);
  font-size: .85rem; color: var(--txt-dim);
}
.feedback .cite b { color: var(--accent); }

.streak-pop {
  display: inline-block; background: var(--accent); color: #14171F;
  font-weight: 800; font-size: .75rem; padding: 2px 8px; border-radius: 20px;
}

/* ---------- senda (Duolingo + zonas tipo Clash Royale) ----------
   Cada arena es una "zona" con los colores de su bandera (--z1/--z2) y un
   fondo animado propio. El patron vive en .arena::before, a baja opacidad y
   por debajo de los nodos, para que el texto siga siendo legible. */

.arena {
  --z1: var(--accent); --z2: #111;           /* por defecto, si el JS no fija tema */
  --z1a: rgba(255,212,0,.18); --z2a: rgba(0,0,0,.14);
  position: relative; overflow: hidden;
  border-radius: 20px; margin-bottom: 20px;
  padding: 6px 12px 20px;
  background:
    radial-gradient(120% 60% at 50% 0%, var(--z1a) 0%, transparent 60%),
    var(--bg-2);
  border: 1px solid var(--z1);
  box-shadow: 0 0 0 1px rgba(0,0,0,.3), 0 10px 30px rgba(0,0,0,.25);
}
.arena::before {                              /* capa del patron animado */
  content: ''; position: absolute; inset: 0; z-index: 0;
  opacity: .55; pointer-events: none;
}
.arena.locked { filter: saturate(.35) brightness(.8); opacity: .7; }

.arena-head {
  position: relative; z-index: 2;
  display: flex; align-items: center; gap: 12px; padding: 14px 4px 12px;
}
.arena-badge {
  flex: 0 0 44px; height: 44px; border-radius: 13px;
  display: grid; place-items: center; font-size: 1.3rem; font-weight: 800;
  background: rgba(0,0,0,.35); border: 2px solid var(--z1); color: #fff;
  box-shadow: 0 0 14px var(--z1a);
}
.arena.done .arena-badge { background: var(--z1); }
.arena-head b { display: block; letter-spacing: -.01em; }

/* el camino en zigzag */
.track {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  padding: 12px 0 20px;
}
.track::before {
  content: ''; position: absolute; top: 0; bottom: 0; left: 50%;
  width: 4px; margin-left: -2px; border-radius: 2px; z-index: 0;
  background: repeating-linear-gradient(var(--z1) 0 10px, transparent 10px 20px);
  opacity: .5;
}
.node {
  position: relative; z-index: 1;
  background: none; border: 0; cursor: pointer; font: inherit; color: var(--txt);
  display: grid; justify-items: center; gap: 4px;
}
.node:disabled { cursor: default; }
.node-dot {
  width: 64px; height: 64px; border-radius: 50%;
  display: grid; place-items: center; font-size: 1.6rem;
  background: var(--bg-3); border: 3px solid rgba(255,255,255,.15);
  box-shadow: 0 5px 0 rgba(0,0,0,.4);
  transition: transform .08s;
}
.node:not(:disabled):active .node-dot { transform: translateY(4px); box-shadow: 0 1px 0 rgba(0,0,0,.4); }
.node.current .node-dot {
  border-color: var(--z1); color: var(--z1);
  background: #14171F;
  box-shadow: 0 0 0 4px var(--z1a), 0 5px 0 rgba(0,0,0,.4);
  animation: pulse 1.6s ease-in-out infinite;
}
.node.done .node-dot { background: var(--z1); border-color: var(--z1); color: #14171F; }
.node.locked .node-dot { opacity: .5; }
.node-label {
  font-family: 'Consolas', monospace; font-size: .72rem; color: #B9C3D4; font-weight: 700;
  text-shadow: 0 1px 2px rgba(0,0,0,.6);
}
.node.current .node-label { color: var(--z1); }
.node-stars { font-size: .72rem; color: var(--z1); letter-spacing: 1px; height: .8em; line-height: .8; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px var(--z1a), 0 5px 0 rgba(0,0,0,.4); }
  50%      { box-shadow: 0 0 0 10px transparent, 0 5px 0 rgba(0,0,0,.4); }
}

/* --- patrones de fondo por zona (cada bandera, su animacion) --- */

/* rayas diagonales que se desplazan (banderas de franjas) */
.bg-stripes::before {
  background: repeating-linear-gradient(45deg,
    var(--z1a) 0 22px, transparent 22px 44px, var(--z2a) 44px 66px, transparent 66px 88px);
  background-size: 124px 124px;
  animation: slideStripes 6s linear infinite;
}
@keyframes slideStripes { to { background-position: 124px 0; } }

/* damero que baja lentamente (linea de meta) */
.bg-checker::before {
  background:
    conic-gradient(var(--z1a) 25%, transparent 0 50%, var(--z1a) 0 75%, transparent 0);
  background-size: 40px 40px;
  animation: scrollChecker 5s linear infinite;
}
@keyframes scrollChecker { to { background-position: 0 40px; } }

/* acero cepillado con un brillo que barre (Test Day) */
.bg-steel::before {
  background:
    linear-gradient(100deg, transparent 40%, var(--z1a) 50%, transparent 60%),
    repeating-linear-gradient(90deg, var(--z2a) 0 2px, transparent 2px 5px);
  background-size: 260% 100%, auto;
  animation: sweep 4.5s linear infinite;
}
@keyframes sweep { to { background-position: -260% 0, 0 0; } }

/* dos destellos que laten (naranja NL, Hungria) */
.bg-glow::before {
  background:
    radial-gradient(40% 50% at 25% 30%, var(--z1a) 0%, transparent 70%),
    radial-gradient(40% 50% at 75% 70%, var(--z2a) 0%, transparent 70%);
  animation: breathe 5s ease-in-out infinite;
}
@keyframes breathe { 0%,100% { opacity:.5; transform:scale(1); } 50% { opacity:.9; transform:scale(1.08); } }

/* olas que se mueven (Adriatico) */
.bg-waves::before {
  background:
    linear-gradient(0deg, var(--z1a), transparent 45%),
    repeating-radial-gradient(circle at 50% 120%, var(--z2a) 0 18px, transparent 18px 38px);
  background-size: auto, 200px 120px;
  animation: rise 7s linear infinite;
}
@keyframes rise { to { background-position: 0 0, 0 -120px; } }

/* cruz suiza que palpita */
.bg-cross::before {
  background:
    linear-gradient(var(--z1a), var(--z1a)) 50% 50% / 22px 70px no-repeat,
    linear-gradient(var(--z1a), var(--z1a)) 50% 50% / 70px 22px no-repeat;
  animation: breathe 4s ease-in-out infinite;
}

/* aspas cruzadas tipo Union Jack */
.bg-union::before {
  background:
    repeating-linear-gradient(45deg,  var(--z2a) 0 4px, transparent 4px 60px),
    repeating-linear-gradient(-45deg, var(--z1a) 0 4px, transparent 4px 60px);
  animation: breathe 6s ease-in-out infinite;
}

/* rayos giratorios (prestigio: Germany, Champions) */
.bg-rays::before {
  background: conic-gradient(from 0deg,
    var(--z1a) 0 8deg, transparent 8deg 30deg,
    var(--z2a) 30deg 38deg, transparent 38deg 60deg);
  background-size: cover;
  transform-origin: 50% 40%;
  animation: spin 18s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* tarjeta al abrir una leccion */
.overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(6,9,14,.72); backdrop-filter: blur(3px);
  display: grid; place-items: center; padding: 20px;
}
.overlay .card { max-width: 380px; width: 100%; text-align: center; }
.lesson-sheet .btn { text-align: center; }

/* estrellas en el resultado */
.stars.big { font-size: 2.4rem; color: var(--accent); letter-spacing: 4px; margin-bottom: 4px; }
.arena-clear {
  margin-top: 14px; padding: 12px; border-radius: 12px;
  background: rgba(255,212,0,.12); border: 1px solid var(--accent); font-weight: 700;
}
.arena-clear span { display: block; color: var(--accent); font-size: 1.3rem; margin-top: 2px; }

/* ---------- carrera contra el fantasma ---------- */
.ghost { margin-bottom: 10px; }
.ghost-lane { display: flex; align-items: center; gap: 10px; }
.ghost-name { font-size: .78rem; font-weight: 700; white-space: nowrap; }
.ghost-name small { color: var(--txt-dim); font-weight: 500; }
.ghost-track {
  flex: 1; height: 10px; border-radius: 5px; position: relative;
  background: repeating-linear-gradient(90deg, var(--bg-3) 0 8px, var(--bg-2) 8px 16px);
  overflow: hidden;
}
.ghost-dot {
  position: absolute; top: 50%; left: 0; transform: translate(-50%, -50%);
  width: 16px; height: 16px; border-radius: 50%;
  background: #C6CEDD; box-shadow: 0 0 8px rgba(198,206,221,.6);
  transition: left .12s linear;
}
.ghost-dot.pace { background: var(--txt-dim); }
.ghost-status { font-size: .72rem; font-weight: 700; color: var(--txt-dim); white-space: nowrap; min-width: 54px; }
.ghost-status.ahead  { color: var(--ok); }
.ghost-status.behind { color: var(--bad); }

.r-ghost { font-weight: 800; margin-bottom: 12px; color: var(--accent); min-height: 1.2em; }

/* ---------- decisiones de riesgo ---------- */
.risk-bar { display: flex; gap: 8px; margin-bottom: 14px; }
.risk {
  flex: 1; background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 10px; padding: 8px 6px; cursor: pointer; text-align: center;
  color: var(--txt); font: inherit; transition: border-color .15s, background .15s;
}
.risk b { display: block; font-size: .82rem; }
.risk small { color: var(--txt-dim); font-size: .68rem; line-height: 1.2; display: block; }
.risk:disabled { opacity: .5; cursor: default; }
.risk.on { border-width: 2px; }
.risk.normal.on  { border-color: var(--txt-dim); }
.risk.double.on  { border-color: var(--accent); background: rgba(255,212,0,.1); }
.risk.consult.on { border-color: var(--electronica); background: rgba(74,127,224,.1); }

.consult-results { max-height: 240px; overflow-y: auto; margin-top: 4px; }
.consult-results .rule { padding: 8px 0; }
.consult-results .txt { font-size: .85rem; }

/* ---------- ficha de escrutinaje ---------- */
.opt.spec {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .9rem; line-height: 1.4;
}
.spec-tag {
  flex: 0 0 auto; font-family: 'Consolas', monospace; font-size: .68rem;
  font-weight: 800; color: var(--accent); background: var(--bg);
  border: 1px solid var(--line); border-radius: 5px; padding: 2px 6px; margin-top: 1px;
}

/* ---------- deslizador de reglaje ---------- */
.slider-wrap { padding: 8px 4px; }
.slider-read { text-align: center; font-size: 2.4rem; font-weight: 800; color: var(--accent); }
.slider-read small { font-size: 1rem; color: var(--txt-dim); }
.slider-ends { display: flex; justify-content: space-between; color: var(--txt-dim); font-size: .8rem; margin-top: 4px; }
input[type=range] {
  width: 100%; height: 36px; -webkit-appearance: none; appearance: none;
  background: transparent; margin: 10px 0 4px;
}
input[type=range]::-webkit-slider-runnable-track {
  height: 8px; border-radius: 4px; background: var(--bg-3); border: 1px solid var(--line);
}
input[type=range]::-moz-range-track {
  height: 8px; border-radius: 4px; background: var(--bg-3); border: 1px solid var(--line);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; margin-top: -9px;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg); cursor: grab;
}
input[type=range]::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg); cursor: grab;
}

/* ---------- ranking ---------- */
.row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border-bottom: 1px solid var(--line);
}
.row:last-child { border-bottom: 0; }
.row .pos { flex: 0 0 30px; font-weight: 800; color: var(--txt-dim); text-align: center; }
.row.me { background: rgba(255,212,0,.07); }
.row .who { flex: 1; min-width: 0; }
.row .who b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .xp { font-weight: 800; }
.pos.p1 { color: #FFD400; } .pos.p2 { color: #C6CEDD; } .pos.p3 { color: #D2884E; }

.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tab {
  flex: 1; text-align: center; padding: 9px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg-2);
  cursor: pointer; font-size: .85rem; font-weight: 600;
}
.tab.on { background: var(--accent); color: #14171F; border-color: var(--accent); }

/* ---------- consulta del reglamento ---------- */
.rule { border-bottom: 1px solid var(--line); padding: 14px 0; }
.rule:last-child { border-bottom: 0; }
.rule .code {
  display: inline-block; font-weight: 800; color: var(--accent);
  font-family: 'Consolas', monospace; font-size: .88rem;
}
.rule .tag {
  font-size: .7rem; padding: 2px 7px; border-radius: 20px;
  border: 1px solid var(--line); color: var(--txt-dim); margin-left: 6px;
}
.rule .tag.dominado { border-color: var(--ok);  color: var(--ok); }
.rule .tag.flojo    { border-color: var(--bad); color: var(--bad); }
.rule .txt { margin-top: 6px; font-size: .93rem; color: #CBD3E2; }
/* El texto normativo va en ingles literal: se marca para que se note */
.rule .txt { font-style: normal; }

.bar { height: 8px; background: var(--bg-3); border-radius: 4px; overflow: hidden; margin-top: 6px; }
.bar i { display: block; height: 100%; background: var(--accent); }

/* ---------- navegacion inferior ---------- */
.nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
  display: flex; background: rgba(19,24,34,.97);
  backdrop-filter: blur(10px); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.nav button {
  flex: 1; background: none; border: 0; color: var(--txt-dim);
  padding: 12px 4px; font: inherit; font-size: .72rem; font-weight: 600;
  cursor: pointer; display: grid; gap: 3px; justify-items: center;
}
.nav button.on { color: var(--accent); }
.nav button i { font-style: normal; font-size: 1.15rem; }

.hidden { display: none !important; }

/* ---------- accesibilidad ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}