/* ============================================================================
 *  ENGLISH JOURNEY · SISTEMA VISUAL
 *  Compartido por ingles.html · unidad.html · evaluacion.html
 * ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;700;900&display=swap');

:root{
  --bg:#09090b;
  --surface:rgba(255,255,255,.05);
  --surface-2:rgba(255,255,255,.08);
  --border:rgba(255,255,255,.14);
  --ink:#fff;
  --muted:#a1a1aa;
  --c1:#ff3b30; --c2:#ff9500; --c3:#ffcc00;
  --c4:#34c759; --c5:#007aff; --c6:#af52de;
  --ok:#34c759; --bad:#ff3b30;
  --r:20px;
  --u:var(--c5);           /* color de la unidad activa, se sobreescribe inline */
}

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

body{
  background:var(--bg); color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;
  min-height:100vh; overflow-x:hidden; position:relative;
  -webkit-font-smoothing:antialiased;
}

.aurora{
  position:fixed; inset:-50%; z-index:-1; pointer-events:none;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,59,48,.13) 0%, transparent 25%),
    radial-gradient(circle at 80% 20%, rgba(255,149,0,.13) 0%, transparent 25%),
    radial-gradient(circle at 50% 80%, rgba(175,82,222,.13) 0%, transparent 25%),
    radial-gradient(circle at 10% 80%, rgba(0,122,255,.13) 0%, transparent 25%);
  filter:blur(60px); animation:orbit 24s linear infinite;
}
@keyframes orbit{to{transform:rotate(360deg)}}

.wrap{max-width:1180px;margin:0 auto;padding:0 20px 90px}

/* ── Barra superior ──────────────────────────────────────────────────────── */
.topbar{
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; gap:14px; flex-wrap:wrap;
  padding:14px 20px; margin-bottom:22px;
  background:rgba(9,9,11,.72); backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.topbar .back{
  display:inline-flex; align-items:center; gap:7px;
  color:var(--muted); text-decoration:none; font-weight:700; font-size:13px;
  padding:8px 13px; border-radius:99px; border:1px solid var(--border);
  transition:.2s;
}
.topbar .back:hover{color:#fff;background:var(--surface-2);transform:translateX(-2px)}
.topbar .sp{flex:1}

.chip{
  display:inline-flex; align-items:center; gap:7px;
  background:var(--surface); border:1px solid var(--border);
  padding:8px 14px; border-radius:99px;
  font-size:13px; font-weight:800; white-space:nowrap;
}
.chip b{font-family:'Outfit',sans-serif}
.chip.pts{background:linear-gradient(135deg,rgba(255,204,0,.18),rgba(255,149,0,.1));border-color:rgba(255,204,0,.4)}
.chip.racha{background:linear-gradient(135deg,rgba(255,59,48,.18),rgba(255,149,0,.1));border-color:rgba(255,59,48,.4)}
.chip.timer{background:linear-gradient(135deg,rgba(0,122,255,.18),rgba(175,82,222,.1));border-color:rgba(0,122,255,.4)}

/* ── Tipografía ──────────────────────────────────────────────────────────── */
h1{font-family:'Outfit',sans-serif;font-weight:900;font-size:clamp(30px,5vw,52px);line-height:1.02;letter-spacing:-.02em}
h2{font-family:'Outfit',sans-serif;font-weight:900;font-size:clamp(20px,2.6vw,28px);letter-spacing:-.01em}
h3{font-family:'Outfit',sans-serif;font-weight:700;font-size:17px}
.lead{color:var(--muted);font-size:15px;line-height:1.65;max-width:70ch}
.eyebrow{
  font-size:11px;font-weight:900;letter-spacing:.18em;text-transform:uppercase;
  color:var(--u);margin-bottom:8px
}
.ok{color:var(--ok)} .bad{color:var(--bad)}

/* ── Tarjetas ────────────────────────────────────────────────────────────── */
.card{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--r); padding:22px; backdrop-filter:blur(12px);
}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}

/* ── Botones ─────────────────────────────────────────────────────────────── */
button{font-family:inherit}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--surface-2); color:#fff; border:1px solid var(--border);
  padding:11px 20px; border-radius:99px; font-weight:800; font-size:14px;
  cursor:pointer; transition:.22s cubic-bezier(.34,1.56,.64,1);
}
.btn:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn.primary{
  background:linear-gradient(135deg,var(--u),var(--c6));
  border-color:transparent; box-shadow:0 8px 26px rgba(0,0,0,.4);
}
.btn.primary:hover{filter:brightness(1.12)}
.btn.lg{padding:15px 30px;font-size:16px}

/* ── Barra de progreso ───────────────────────────────────────────────────── */
.bar{height:8px;background:rgba(255,255,255,.09);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--u),var(--c3));border-radius:99px;transition:width .6s cubic-bezier(.34,1.4,.64,1)}

/* ══════════════════════════════════════════════════════════════════════════
 *  EJERCICIOS
 * ════════════════════════════════════════════════════════════════════════ */
.ex{
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--r); padding:24px; margin-bottom:20px;
  position:relative; overflow:hidden;
}
.ex::before{content:'';position:absolute;inset:0 auto 0 0;width:4px;background:var(--u);opacity:.5}
.ex.completo::before{opacity:1;background:var(--ok)}

.ex-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:20px}
.ex-id{
  display:inline-block;font-family:'Outfit',sans-serif;font-weight:900;font-size:11px;
  letter-spacing:.1em;color:var(--u);background:rgba(255,255,255,.07);
  padding:3px 9px;border-radius:6px;margin-bottom:7px
}
.ex-ins{color:var(--muted);font-size:14px;line-height:1.55;margin-top:5px}
.ex-nota{color:var(--c3);font-size:12.5px;margin-top:7px;opacity:.85}
.ex-eg{color:var(--muted);font-size:13px;font-style:italic;padding:10px 14px;background:rgba(255,255,255,.04);border-radius:11px;margin-bottom:14px}
.ex-tip{color:var(--muted);font-size:12.5px;margin-top:12px;text-align:center}
.ex-tip.aviso{color:var(--c2);background:rgba(255,149,0,.1);padding:11px;border-radius:11px}
.ex-prog{
  flex-shrink:0;text-align:center;background:rgba(255,255,255,.06);
  border-radius:14px;padding:9px 15px;font-family:'Outfit',sans-serif
}
.ex-prog b{font-size:22px;font-weight:900;color:var(--u)}
.ex-prog span{font-size:12px;color:var(--muted)}

/* Ítem genérico */
.it{display:flex;gap:14px;padding:16px 0;border-top:1px solid rgba(255,255,255,.07)}
.it:first-of-type{border-top:none}
.it-n{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:rgba(255,255,255,.09);display:grid;place-items:center;
  font-size:12px;font-weight:900;color:var(--muted);margin-top:2px
}
.it-main{flex:1;min-width:0}
.it-q{font-size:15.5px;line-height:1.85}
.it.ok .it-n{background:var(--ok);color:#000}
.it.bad .it-n{background:var(--bad);color:#fff}
.it-acts{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-top:11px}
.it-fb{display:none;margin-top:11px;font-size:13.5px;line-height:1.6;padding:10px 13px;border-radius:11px;background:rgba(255,255,255,.05)}
.it.ok .it-fb{background:rgba(52,199,89,.13);color:#a7f3c0}
.it.bad .it-fb{background:rgba(255,59,48,.13);color:#ffb4ae}
.it-fb small{opacity:.75}

.it-in,.hueco,.ta{
  background:rgba(255,255,255,.07);border:1px solid var(--border);
  color:#fff;border-radius:11px;padding:9px 13px;font-family:inherit;font-size:14.5px;
  outline:none;transition:.2s
}
.it-in:focus,.hueco:focus,.ta:focus{border-color:var(--u);background:rgba(255,255,255,.1)}
.it-in{width:100%;margin-top:9px}
.ta{width:100%;resize:vertical;line-height:1.7;margin-top:10px}
.hueco{width:130px;display:inline-block;margin:0 3px;text-align:center;padding:5px 9px;border-radius:8px}
.hueco.libre{display:block;width:100%;text-align:left;margin:10px 0 0;padding:9px 13px;border-radius:11px}
.corr-box{margin-top:10px}
.hueco.ok{border-color:var(--ok);background:rgba(52,199,89,.14)}
.hueco.bad{border-color:var(--bad);background:rgba(255,59,48,.14)}
.hint{color:var(--c3);font-size:13px;font-style:italic}

.mini-tts{
  background:rgba(255,255,255,.08);border:1px solid var(--border);border-radius:50%;
  width:28px;height:28px;cursor:pointer;font-size:12px;transition:.2s;vertical-align:middle
}
.mini-tts:hover{background:var(--u);transform:scale(1.15)}
.btn-check,.btn-reset,.btn-play,.btn-slow,.btn-mic{
  background:rgba(255,255,255,.08);border:1px solid var(--border);color:#fff;
  padding:7px 15px;border-radius:99px;font-size:13px;font-weight:700;cursor:pointer;transition:.2s
}
.btn-check{background:var(--u);border-color:transparent}
.btn-check:hover{filter:brightness(1.15)}
.btn-reset:hover,.btn-play:hover,.btn-slow:hover,.btn-mic:hover{background:rgba(255,255,255,.16)}
.btn-mic.rec{background:var(--bad);border-color:transparent;animation:pulse 1.1s infinite}
@keyframes pulse{50%{opacity:.55}}

/* True / False */
.tf-btns{display:flex;gap:9px;margin-top:11px}
.tf{
  background:rgba(255,255,255,.07);border:1px solid var(--border);color:#fff;
  padding:8px 22px;border-radius:99px;font-weight:900;font-size:12px;letter-spacing:.06em;
  cursor:pointer;transition:.2s
}
.tf.t:hover,.tf.t.sel{background:var(--ok);color:#000;border-color:transparent}
.tf.f:hover,.tf.f.sel{background:var(--bad);border-color:transparent}

/* Opción múltiple */
.ops{display:flex;gap:9px;flex-wrap:wrap;margin-top:11px}
.op{
  background:rgba(255,255,255,.07);border:1px solid var(--border);color:#fff;
  padding:9px 19px;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;transition:.2s
}
.op:hover{background:rgba(255,255,255,.15);transform:translateY(-2px)}
.op.sel{background:var(--u);border-color:transparent;font-weight:800}
.it.ok .op.sel{background:var(--ok);color:#000}
.it.bad .op.sel{background:var(--bad)}

/* Unir columnas */
.match{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.match .col{display:flex;flex-direction:column;gap:9px}
.match button{
  background:rgba(255,255,255,.07);border:1px solid var(--border);color:#fff;
  padding:12px 15px;border-radius:12px;font-size:14px;text-align:left;cursor:pointer;transition:.2s
}
.match button:hover{background:rgba(255,255,255,.15)}
.match .mi.sel{background:var(--u);border-color:transparent}
.match .mi.hecho{background:rgba(255,255,255,.04);cursor:default;font-size:13px}
.match .mi.hecho small{display:block;color:var(--c3);font-weight:700;margin-top:3px}
.match.ok button{border-color:rgba(52,199,89,.5)}
.match.bad button{border-color:rgba(255,59,48,.4)}

/* Ordenar palabras */
.drop{
  min-height:56px;border:2px dashed var(--border);border-radius:14px;
  padding:11px;display:flex;flex-wrap:wrap;gap:8px;align-items:flex-start;
  background:rgba(255,255,255,.03)
}
.pool{display:flex;flex-wrap:wrap;gap:8px;margin-top:11px}
.w{
  background:rgba(255,255,255,.1);border:1px solid var(--border);color:#fff;
  padding:7px 14px;border-radius:9px;font-size:14px;cursor:pointer;transition:.16s
}
.w:hover{background:var(--u);transform:translateY(-2px)}
.drop .w{background:var(--u);border-color:transparent;font-weight:600}
.it.ok .drop{border-color:var(--ok);border-style:solid}
.it.bad .drop{border-color:var(--bad);border-style:solid}

/* Imagen → palabra */
.pic-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.pic{background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:14px;padding:11px;transition:.2s}
.pic.ok{border-color:var(--ok);background:rgba(52,199,89,.09)}
.pic.bad{border-color:var(--bad);background:rgba(255,59,48,.09)}
.pic-img{aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:rgba(255,255,255,.06);position:relative}
.pic-img img{width:100%;height:100%;object-fit:cover;display:block}
.pic-img.falta::after{
  content:'🖼️ ' attr(data-ph);position:absolute;inset:0;display:grid;place-items:center;
  font-size:12px;color:var(--muted);text-align:center;padding:8px;background:rgba(255,255,255,.04)
}
.pic .it-in{margin-top:9px;font-size:13.5px;padding:7px 11px}
.pic .it-fb{margin-top:7px;padding:5px 9px;font-size:12px;text-align:center}

/* Pronunciación */
.sonido{
  display:inline-block;font-family:ui-monospace,monospace;font-size:12.5px;color:var(--c3);
  background:rgba(255,204,0,.11);padding:4px 11px;border-radius:8px;margin-top:8px
}

/* Escritura + IA */
.plantilla{list-style:none;display:grid;gap:7px;margin-bottom:13px}
.plantilla li{
  background:rgba(255,255,255,.05);padding:9px 14px;border-radius:10px;
  font-size:14px;color:var(--muted);border-left:3px solid var(--u)
}
.criterios{font-size:12.5px;color:var(--muted);margin-bottom:11px;display:flex;flex-wrap:wrap;gap:7px;align-items:center}
.criterios span{background:rgba(255,255,255,.07);padding:3px 10px;border-radius:99px;font-size:11.5px}
.wc{font-size:12.5px;color:var(--muted);font-weight:700}
.wc.ok{color:var(--ok)}
.fb-ia{margin-top:14px}
.cargando{color:var(--muted);font-size:13.5px;padding:16px;text-align:center;animation:pulse 1.4s infinite}
.ia-card{display:flex;gap:16px;background:rgba(255,255,255,.05);border:1px solid var(--border);border-radius:16px;padding:18px}
.ia-card.ok{border-color:rgba(52,199,89,.4)}
.ia-card.bad{border-color:rgba(255,149,0,.4)}
.ia-score{
  flex-shrink:0;text-align:center;font-family:'Outfit',sans-serif;
  background:rgba(255,255,255,.06);border-radius:14px;padding:14px 18px;height:fit-content
}
.ia-score b{display:block;font-size:32px;font-weight:900;color:var(--u);line-height:1}
.ia-score span{font-size:11px;color:var(--muted)}
.ia-txt{font-size:14px;line-height:1.75;min-width:0}

/* Banco de palabras */
.banco{display:flex;flex-wrap:wrap;gap:8px;padding:13px;background:rgba(255,255,255,.04);border-radius:13px;margin-bottom:15px}
.banco span{background:rgba(255,255,255,.1);border:1px solid var(--border);padding:5px 13px;border-radius:8px;font-size:13.5px}

/* Recursos embebidos */
.rec-img{margin:0 0 15px;border-radius:14px;overflow:hidden;background:rgba(255,255,255,.05);position:relative}
.rec-img img{width:100%;display:block}
.rec-img figcaption{font-size:12px;color:var(--muted);padding:9px 13px}
.rec-img.falta img{display:none}
.rec-img.falta::before{content:'🗺️ Imagen pendiente';display:block;padding:44px;text-align:center;color:var(--muted);font-size:13px}
.rec-agenda{background:rgba(255,255,255,.05);border-radius:14px;padding:15px;margin-bottom:15px;overflow-x:auto}
.rec-agenda h4{font-family:'Outfit',sans-serif;font-size:14px;margin-bottom:10px;color:var(--c3)}
.rec-agenda table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:340px}
.rec-agenda td{padding:7px 11px;border-bottom:1px solid rgba(255,255,255,.07)}
.rec-agenda td:first-child{font-weight:800;color:var(--u)}
.rec-agenda td:nth-child(2){color:var(--muted);white-space:nowrap}

/* ── Toasts ──────────────────────────────────────────────────────────────── */
.ej-toast,.ej-toast-premio{
  position:fixed;z-index:999;left:50%;transform:translate(-50%,26px);
  opacity:0;transition:.36s cubic-bezier(.34,1.56,.64,1)
}
.ej-toast.on,.ej-toast-premio.on{opacity:1;transform:translate(-50%,0)}
.ej-toast{
  bottom:26px;background:rgba(20,20,24,.96);border:1px solid var(--border);
  padding:12px 24px;border-radius:99px;font-size:14px;font-weight:700;
  backdrop-filter:blur(14px);box-shadow:0 12px 40px rgba(0,0,0,.5)
}
.ej-toast-premio{
  bottom:26px;display:flex;gap:15px;align-items:center;max-width:min(420px,92vw);
  background:linear-gradient(135deg,rgba(255,204,0,.2),rgba(255,59,48,.16)),rgba(20,20,24,.97);
  border:1px solid rgba(255,204,0,.5);padding:15px 22px 15px 15px;border-radius:20px;
  backdrop-filter:blur(18px);box-shadow:0 20px 60px rgba(0,0,0,.65)
}
.ej-toast-premio img{width:62px;height:62px;object-fit:cover;border-radius:14px;flex-shrink:0}
.ej-toast-premio small{display:block;font-size:9.5px;font-weight:900;letter-spacing:.14em;color:var(--c3)}
.ej-toast-premio b{display:block;font-family:'Outfit',sans-serif;font-size:17px;font-weight:900;margin:3px 0}
.ej-toast-premio span{font-size:12.5px;color:var(--muted);line-height:1.45}

/* ── Lectura resaltada (TTS) ─────────────────────────────────────────────── */
.leyendo{
  background:linear-gradient(90deg,rgba(255,204,0,.22),rgba(255,149,0,.1));
  border-radius:7px;box-shadow:0 0 0 5px rgba(255,204,0,.09)
}

/* ══════════════════════════════════════════════════════════════════════════
 *  MODAL DINÁMICO (.wu-*)
 *  Usado por el calentamiento del plan (plan.html) y por el modo repaso
 *  de vocabulario (unidad.html). Reemplaza los prompt()/alert() nativos.
 * ════════════════════════════════════════════════════════════════════════ */
.wu-overlay{
  position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.7);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:20px;
  opacity:0;transition:.25s
}
.wu-overlay.on{opacity:1}
.wu-modal{
  width:100%;max-width:520px;max-height:88vh;overflow-y:auto;
  background:#131316;border:1px solid var(--border);border-radius:24px;
  transform:scale(.94);transition:.25s cubic-bezier(.34,1.4,.64,1)
}
.wu-overlay.on .wu-modal{transform:scale(1)}
.wu-head{display:flex;justify-content:space-between;align-items:flex-start;padding:22px 22px 0}
.wu-eyebrow{font-size:11px;font-weight:900;letter-spacing:.12em;color:var(--c6);text-transform:uppercase;margin-bottom:5px}
.wu-head h3{font-size:20px}
.wu-x{
  background:rgba(255,255,255,.08);border:none;color:#fff;width:32px;height:32px;
  border-radius:50%;cursor:pointer;font-size:14px;flex-shrink:0
}
.wu-x:hover{background:rgba(255,255,255,.18)}
.wu-body{padding:20px 22px}
.wu-intro{font-size:13.5px;color:var(--muted);line-height:1.6;margin-bottom:16px;text-align:center}
.wu-card{background:rgba(255,255,255,.04);border-radius:16px;padding:22px;text-align:center}
.wu-bar{height:5px;background:rgba(255,255,255,.09);border-radius:99px;overflow:hidden;margin-bottom:20px}
.wu-bar i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--c6),var(--c1));transition:width .1s linear}
.wu-word{font-family:'Outfit',sans-serif;font-size:32px;font-weight:900;margin-bottom:10px}
.wu-frase{font-size:19px;line-height:1.6;font-weight:700;margin-bottom:18px}
.wu-card .it-in{max-width:280px;margin:14px auto 0;text-align:center}
.wu-score{font-size:13px;color:var(--muted);margin-top:14px;font-weight:800}
.wu-card .it-fb{display:none;margin-top:14px}
.wu-resultado{padding:20px 0;text-align:center}
.wu-resultado b{display:block;font-family:'Outfit',sans-serif;font-size:44px;font-weight:900;color:var(--c6)}
.wu-resultado span{font-size:13px;color:var(--muted)}
.wu-resultado p{margin-top:10px;font-weight:800;color:var(--c3)}
.wu-final{display:block;margin:18px auto 0}
.wu-foot{display:flex;gap:10px;padding:16px 22px 22px;border-top:1px solid var(--border);margin-top:6px}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media(max-width:640px){
  .wrap{padding:0 14px 80px}
  .ex{padding:18px 15px}
  .match{grid-template-columns:1fr}
  .ia-card{flex-direction:column}
  .hueco{width:112px}
  .ex-head{flex-direction:column;gap:12px}
  .topbar{padding:11px 14px;gap:9px}
  .chip{padding:6px 11px;font-size:12px}
}