/* ============================================================
   ENGLISH DETECTIVE — Estilos
   Colección EL TÍO IA · eltioia.cl
   Paleta: noir + dorado + papel de expediente
   ============================================================ */

:root{
  --ink:        #14110d;   /* fondo noche */
  --ink-2:      #1f1a14;   /* superficies oscuras */
  --paper:      #f7efdd;   /* papel de expediente */
  --paper-2:    #ede0c4;   /* papel sombreado */
  --gold:       #f2b544;   /* dorado lupa */
  --gold-deep:  #c98b16;
  --red:        #e04f45;   /* sello de error */
  --green:      #3fae6d;   /* sello de acierto */
  --blue:       #4a90d9;
  --text-dark:  #2c2418;
  --text-soft:  #6b5c43;
  --shadow:     0 18px 40px rgba(0,0,0,.45);
  --radius:     18px;
  --font-title: "Special Elite", "Courier New", monospace;
  --font-body:  "Nunito", "Segoe UI", system-ui, sans-serif;
}

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

html,body{ margin:0; padding:0; }

body{
  min-height:100dvh;
  font-family:var(--font-body);
  color:var(--paper);
  background:
    radial-gradient(1100px 600px at 50% -10%, #33291c 0%, transparent 70%),
    radial-gradient(800px 500px at 100% 100%, #241d15 0%, transparent 70%),
    var(--ink);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-text-size-adjust:100%;
}

/* ---------- Fondo decorativo ---------- */
.bg-decor{ position:fixed; inset:0; pointer-events:none; z-index:0; overflow:hidden; }
.bg-decor .print{
  position:absolute; font-size:clamp(60px,12vw,150px);
  opacity:.045; filter:grayscale(1);
  animation:floaty 14s ease-in-out infinite;
}
.p1{ top:8%;  left:5%;  }
.p2{ top:62%; left:8%;  animation-delay:-3s; }
.p3{ top:18%; right:7%; animation-delay:-6s; }
.p4{ bottom:8%; right:12%; animation-delay:-9s; }
.p5{ top:44%; left:47%; animation-delay:-4.5s; }

@keyframes floaty{
  0%,100%{ transform:translateY(0) rotate(-6deg); }
  50%    { transform:translateY(-26px) rotate(6deg); }
}

/* ---------- Estructura de pantallas ---------- */
#app{ position:relative; z-index:1; }

.screen{
  display:none;
  min-height:100dvh;
  padding:clamp(16px,4vw,40px);
  place-items:center;
}
.screen.is-active{
  display:grid;
  animation:screenIn .45s ease both;
}
@keyframes screenIn{
  from{ opacity:0; transform:translateY(18px) scale(.99); }
  to  { opacity:1; transform:none; }
}

/* ---------- Tarjetas / paneles ---------- */
.home-card,
.panel{
  width:min(760px,100%);
  background:linear-gradient(180deg,#211a12 0%, #191410 100%);
  border:1px solid rgba(242,181,68,.28);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:clamp(22px,5vw,44px);
  text-align:center;
  position:relative;
}

.badge-top{
  display:inline-block;
  font-family:var(--font-title);
  font-size:clamp(10px,2.4vw,13px);
  letter-spacing:.18em;
  color:var(--gold);
  border:1px dashed rgba(242,181,68,.5);
  padding:6px 14px;
  border-radius:99px;
  margin-bottom:18px;
}

/* ---------- Inicio ---------- */
.logo-lupa{
  font-size:clamp(64px,16vw,110px);
  line-height:1;
  filter:drop-shadow(0 10px 22px rgba(242,181,68,.35));
  animation:searching 4s ease-in-out infinite;
}
@keyframes searching{
  0%,100%{ transform:translateX(0) rotate(0deg); }
  25%    { transform:translateX(-12px) rotate(-9deg); }
  75%    { transform:translateX(12px)  rotate(9deg); }
}

.title{
  font-family:var(--font-title);
  font-size:clamp(30px,8vw,60px);
  margin:.15em 0 .1em;
  letter-spacing:.04em;
  color:var(--gold);
  text-shadow:0 4px 0 rgba(0,0,0,.5), 0 0 34px rgba(242,181,68,.25);
}

.tagline{
  font-size:clamp(15px,3.6vw,19px);
  color:#e8dcc4; margin:0 auto 26px; max-width:44ch; line-height:1.6;
}

.how-to{
  text-align:left;
  background:rgba(247,239,221,.055);
  border:1px solid rgba(247,239,221,.12);
  border-radius:14px;
  padding:18px 20px;
  margin:26px 0 20px;
}
.how-to h2{
  font-family:var(--font-title); font-size:17px; color:var(--gold);
  margin:0 0 10px; letter-spacing:.03em;
}
.how-to ol{ margin:0; padding-left:20px; color:#ddd0b6; line-height:1.75; font-size:15px; }

.brand{
  margin:24px 0 12px; font-size:13px; letter-spacing:.06em;
  color:var(--text-soft); text-transform:uppercase;
}
.brand strong{ color:var(--gold); }

/* ---------- Botones ---------- */
.btn{
  font-family:var(--font-body);
  font-weight:900;
  border:none; cursor:pointer;
  border-radius:14px;
  padding:14px 24px;
  font-size:16px;
  transition:transform .12s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  text-decoration:none;
  display:inline-block;
}
.btn:active{ transform:translateY(2px) scale(.99); }
.btn:focus-visible{ outline:3px solid var(--blue); outline-offset:3px; }

.btn-primary{
  background:linear-gradient(180deg,var(--gold) 0%, var(--gold-deep) 100%);
  color:#2a1c02;
  box-shadow:0 8px 0 #8f6207, 0 14px 26px rgba(0,0,0,.4);
}
.btn-primary:hover{ filter:brightness(1.07); }
.btn-primary:active{ box-shadow:0 4px 0 #8f6207, 0 8px 14px rgba(0,0,0,.4); }

.btn-xl{ font-size:clamp(17px,4.2vw,21px); padding:18px 34px; }

.btn-ghost{
  background:transparent;
  color:#e2d5bb;
  border:1.5px solid rgba(247,239,221,.3);
  font-weight:700;
  padding:11px 20px;
  font-size:15px;
}
.btn-ghost:hover{ background:rgba(247,239,221,.1); color:#fff; }

.btn-back{
  background:rgba(247,239,221,.08);
  color:#d9cbb0;
  font-size:14px; padding:9px 16px; font-weight:700;
}
.btn-back:hover{ background:rgba(247,239,221,.16); }

/* ---------- Selección de dificultad ---------- */
.panel-title{
  font-family:var(--font-title); color:var(--gold);
  font-size:clamp(22px,5.5vw,34px); margin:14px 0 6px;
}
.panel-sub{ color:#cfc0a4; margin:0 0 26px; font-size:15px; }

.difficulty-grid{ display:grid; gap:16px; }
@media (min-width:720px){ .difficulty-grid{ grid-template-columns:repeat(3,1fr); } }

.diff-card{
  background:linear-gradient(180deg,var(--paper) 0%, var(--paper-2) 100%);
  color:var(--text-dark);
  border:none; border-radius:16px;
  padding:22px 18px;
  cursor:pointer; text-align:center;
  box-shadow:0 10px 0 rgba(0,0,0,.35), 0 16px 30px rgba(0,0,0,.35);
  transition:transform .15s ease, box-shadow .15s ease;
  font-family:var(--font-body);
}
.diff-card:hover{ transform:translateY(-5px); box-shadow:0 15px 0 rgba(0,0,0,.35), 0 22px 34px rgba(0,0,0,.4); }
.diff-card:active{ transform:translateY(2px); box-shadow:0 6px 0 rgba(0,0,0,.35); }
.diff-card:focus-visible{ outline:3px solid var(--blue); outline-offset:3px; }

.diff-emoji{ font-size:40px; display:block; line-height:1; }
.diff-name{ font-family:var(--font-title); font-size:24px; margin:10px 0 4px; display:block; }
.diff-tag{
  display:inline-block; font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  background:var(--ink); color:var(--gold); padding:4px 10px; border-radius:99px; margin-bottom:10px;
}
.diff-desc{ font-size:13.5px; color:var(--text-soft); line-height:1.5; margin:0; }

/* ---------- HUD del juego ---------- */
#screen-game{ align-content:start; gap:14px; }

.hud{
  width:min(860px,100%);
  display:flex; align-items:center; gap:10px; flex-wrap:wrap;
  justify-content:space-between;
  background:rgba(247,239,221,.06);
  border:1px solid rgba(247,239,221,.13);
  border-radius:14px;
  padding:10px 14px;
}
.hud-item{ display:flex; flex-direction:column; align-items:center; min-width:74px; }
.hud-label{ font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:#b9a986; }
.hud-value{ font-family:var(--font-title); font-size:clamp(18px,4.6vw,24px); color:var(--gold); }
.hud-value.pulse{ animation:pulse .45s ease; }
@keyframes pulse{ 0%{ transform:scale(1);} 45%{ transform:scale(1.35); color:#fff;} 100%{ transform:scale(1);} }

.progress-bar{
  width:min(860px,100%); height:9px; border-radius:99px;
  background:rgba(247,239,221,.12); overflow:hidden;
}
.progress-fill{
  height:100%; width:0%;
  background:linear-gradient(90deg,var(--gold-deep),var(--gold));
  border-radius:99px; transition:width .45s cubic-bezier(.4,1.4,.5,1);
}

/* ---------- Expediente del caso ---------- */
.case-file{
  width:min(860px,100%);
  background:linear-gradient(180deg,var(--paper) 0%, var(--paper-2) 100%);
  color:var(--text-dark);
  border-radius:var(--radius);
  padding:clamp(18px,4vw,32px);
  box-shadow:var(--shadow);
  position:relative;
  animation:fileIn .4s ease both;
}
@keyframes fileIn{
  from{ opacity:0; transform:translateY(20px) rotate(-.6deg); }
  to  { opacity:1; transform:none; }
}
/* clip de papel */
.case-file::before{
  content:"📎"; position:absolute; top:-16px; left:22px; font-size:34px;
  transform:rotate(-18deg); filter:drop-shadow(0 4px 6px rgba(0,0,0,.4));
}

.case-head{
  display:flex; justify-content:space-between; align-items:center;
  gap:10px; flex-wrap:wrap; margin-bottom:14px;
}
.case-stamp{
  font-family:var(--font-title); font-size:13px; letter-spacing:.08em;
  color:var(--gold-deep); border:2px solid var(--gold-deep);
  padding:5px 12px; border-radius:8px; transform:rotate(-1.5deg);
  text-transform:uppercase;
}
.case-level{ font-size:13px; font-weight:900; color:var(--text-soft); }

.case-prompt{ font-size:15px; color:var(--text-soft); margin:0 0 10px; }

.case-sentence{
  margin:0 0 20px;
  font-family:var(--font-title);
  font-size:clamp(20px,5.2vw,32px);
  line-height:1.45;
  background:#fffaf0;
  border-left:6px solid var(--red);
  border-radius:10px;
  padding:16px 18px;
  box-shadow:inset 0 2px 10px rgba(0,0,0,.06);
}

/* ---------- Alternativas ---------- */
.options{ display:grid; gap:11px; }

.option{
  display:flex; align-items:center; gap:12px; text-align:left; width:100%;
  font-family:var(--font-body); font-size:clamp(15px,3.6vw,18px); font-weight:700;
  color:var(--text-dark);
  background:#fffaf0;
  border:2px solid rgba(44,36,24,.16);
  border-radius:13px;
  padding:14px 16px;
  cursor:pointer;
  transition:transform .12s ease, border-color .2s ease, background .2s ease;
}
.option:hover:not(:disabled){ border-color:var(--gold-deep); background:#fff; transform:translateX(4px); }
.option:focus-visible{ outline:3px solid var(--blue); outline-offset:2px; }
.option:disabled{ cursor:default; }

.option .letter{
  flex:0 0 auto;
  width:34px; height:34px; border-radius:9px;
  display:grid; place-items:center;
  background:var(--ink); color:var(--gold);
  font-family:var(--font-title); font-size:17px;
}

.option.correct{
  background:#e6f7ec; border-color:var(--green);
  animation:goodShake .45s ease;
}
.option.correct .letter{ background:var(--green); color:#fff; }
.option.wrong{
  background:#fdeceb; border-color:var(--red);
  animation:badShake .4s ease;
}
.option.wrong .letter{ background:var(--red); color:#fff; }
.option.dim{ opacity:.5; }

@keyframes goodShake{
  0%{ transform:scale(1);} 40%{ transform:scale(1.035);} 100%{ transform:scale(1);}
}
@keyframes badShake{
  0%,100%{ transform:translateX(0);} 25%{ transform:translateX(-8px);} 75%{ transform:translateX(8px);}
}

/* ---------- Feedback ---------- */
.feedback{
  margin-top:18px;
  border-radius:14px;
  padding:16px 18px;
  background:#fffaf0;
  border:2px dashed rgba(44,36,24,.22);
  animation:fbIn .35s ease both;
}
@keyframes fbIn{ from{ opacity:0; transform:translateY(10px);} to{ opacity:1; transform:none;} }

.feedback-head{
  font-family:var(--font-title);
  font-size:clamp(19px,4.6vw,26px);
  margin-bottom:12px;
}
.feedback-head.ok  { color:var(--green); }
.feedback-head.bad { color:var(--red); }

.feedback p{ margin:0 0 10px; font-size:15.5px; line-height:1.6; color:var(--text-dark); }
.fb-tag{
  display:block; font-size:11px; letter-spacing:.12em; text-transform:uppercase;
  color:var(--text-soft); margin-bottom:2px; font-weight:900;
}
.feedback-correct span:last-child{ font-family:var(--font-title); font-size:17px; }
.feedback #btn-next{ margin-top:8px; width:100%; }

.bonus-flash{
  display:inline-block; margin-left:10px;
  font-size:14px; font-weight:900; color:var(--gold-deep);
  animation:bonusPop .5s ease;
}
@keyframes bonusPop{
  0%{ transform:translateY(8px) scale(.6); opacity:0; }
  60%{ transform:translateY(-4px) scale(1.15); opacity:1; }
  100%{ transform:none; opacity:1; }
}

/* ---------- Resultado ---------- */
.result-panel{ animation:screenIn .5s ease both; }

.rank-badge{
  font-size:clamp(60px,15vw,96px); line-height:1;
  filter:drop-shadow(0 10px 20px rgba(242,181,68,.4));
  animation:badgePop .7s cubic-bezier(.3,1.6,.5,1) both;
}
@keyframes badgePop{
  0%{ transform:scale(0) rotate(-40deg); opacity:0; }
  100%{ transform:none; opacity:1; }
}

.rank-title{
  font-family:var(--font-title); color:var(--gold);
  font-size:clamp(26px,7vw,44px); margin:8px 0 4px;
}
.rank-sub{ color:#cdbea2; margin:0 0 22px; font-size:15px; }

.score-grid{
  display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-bottom:22px;
}
@media (min-width:620px){ .score-grid{ grid-template-columns:repeat(4,1fr); } }

.score-box{
  background:rgba(247,239,221,.07);
  border:1px solid rgba(247,239,221,.14);
  border-radius:14px; padding:14px 8px;
}
.score-num{
  display:block; font-family:var(--font-title);
  font-size:clamp(22px,6vw,32px); color:var(--gold);
}
.score-lbl{ display:block; font-size:12px; letter-spacing:.06em; color:#b9a986; text-transform:uppercase; margin-top:4px; }

.review{ text-align:left; margin-bottom:24px; }
.review h3{
  font-family:var(--font-title); color:var(--gold); font-size:17px;
  margin:0 0 10px; letter-spacing:.04em;
}
.review-list{ list-style:none; margin:0; padding:0; display:grid; gap:8px; }
.review-list li{
  display:flex; gap:10px; align-items:flex-start;
  background:rgba(247,239,221,.05);
  border:1px solid rgba(247,239,221,.1);
  border-left-width:4px;
  border-radius:10px; padding:10px 12px;
  font-size:14px; line-height:1.45; color:#e2d6be;
}
.review-list li.ok  { border-left-color:var(--green); }
.review-list li.bad { border-left-color:var(--red); }
.review-list .rv-icon{ flex:0 0 auto; font-size:16px; }
.review-list .rv-text b{ color:#fff; font-family:var(--font-title); font-weight:400; }
.review-list .rv-text small{ display:block; color:#a9997a; margin-top:2px; }

.result-actions{ display:grid; gap:10px; justify-items:center; }
@media (min-width:520px){ .result-actions{ grid-auto-flow:column; justify-content:center; } }

/* ---------- Confeti simple ---------- */
.confetti{
  position:fixed; top:-14px; width:10px; height:16px; z-index:5;
  pointer-events:none; border-radius:2px;
  animation:fall linear forwards;
}
@keyframes fall{
  to{ transform:translateY(110vh) rotate(720deg); opacity:0; }
}

/* ---------- Accesibilidad: menos movimiento ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
}

/* ---------- Ajustes móviles ---------- */
@media (max-width:480px){
  .hud{ padding:8px 10px; gap:6px; }
  .hud-item{ min-width:62px; }
  .btn-quit{ order:-1; width:100%; }
  .case-file::before{ font-size:28px; top:-13px; left:16px; }
  .option{ padding:12px 13px; gap:10px; }
  .option .letter{ width:30px; height:30px; font-size:15px; }
}

/* El botón "Volver" del panel de dificultad va anclado arriba a la izquierda */
#screen-difficulty .btn-back{
  position:absolute;
  top:clamp(14px,3vw,22px);
  left:clamp(14px,3vw,22px);
}
#screen-difficulty .panel{ padding-top:clamp(62px,13vw,72px); }
#screen-difficulty .panel-title{ margin-top:0; }