/* ============================================================
   HABLA NATURAL — estilos compartidos
   Usado por: /recursos/habla-natural/ (hub) y sus 10 subpáginas.
   Mismo lenguaje visual que /recursos/preterito-perfecto-compuesto/
   ============================================================ */

:root{
  --cream:#FAF3EA;
  --white:#FFFFFF;
  --border:#EDE5D6;
  --navy:#1B2A3B;
  --grey:#6B6259;
  --peach-bg:#F8D9BC;
  --peach-text:#9C5430;
  --btn-bg:#EAE0C9;
  --btn-bg-hover:#E2D5B8;
  --btn-text:#5B5247;
  --green:#34A65F;   --green-bg:#E8F5EC;
  --gold:#C99A2E;    --gold-bg:#FBF1DC;
  --blue:#3D6FE0;    --blue-bg:#EAF0FD;
  --purple:#7C5CDB;  --purple-bg:#F0EBFB;
  --orange:#EE7C30;  --orange-bg:#FDEEE3;
  --pink:#CC3568;    --pink-bg:#FBE8EE;
  --ok:#2E9A5C;
  --bad:#D2483C;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body.hn-body{
  margin:0;
  background:var(--cream);
  color:var(--navy);
  font-family:'Lato',sans-serif;
  line-height:1.5;
  font-size:16px;
}
.hn-wrap{max-width:980px; margin:0 auto; padding:0 20px 90px;}

/* ---------- HEADER ---------- */
header.hn-header{ padding:22px 20px; display:flex; align-items:center; justify-content:center; }
.hn-logo-row{display:flex; align-items:center; gap:9px; text-decoration:none;}
.hn-logo-icon{height:50px; width:auto; flex-shrink:0; display:block; border-radius:10px;}
.hn-logo-word{ font-family:'Lora',serif; font-weight:700; font-size:19px; color:var(--navy); letter-spacing:.1px; }

.hn-back{
  display:inline-flex; align-items:center; gap:6px;
  font-size:13.5px; font-weight:700; color:var(--grey);
  text-decoration:none; margin:8px 0 0;
}
.hn-back:hover{ color:var(--navy); }

/* ---------- HERO ---------- */
.hn-hero{ text-align:center; padding:18px 0 30px; }
.hn-pill-row{ display:flex; gap:8px; justify-content:center; margin-bottom:16px; flex-wrap:wrap; }
.hn-pill{
  display:inline-flex; align-items:center; gap:5px;
  font-size:12.5px; font-weight:700;
  padding:5px 13px; border-radius:999px;
  letter-spacing:.02em;
}
.hn-pill-solid{ color:#fff; }
.hn-pill-peach{ background:var(--peach-bg); color:var(--peach-text); }

.hn-hero h1{ font-family:'Lora',serif; font-weight:700; font-size:clamp(26px,4vw,34px); margin:0 0 8px; color:var(--navy); }
.hn-hero .hn-pl{ font-style:italic; color:var(--grey); font-size:15px; max-width:620px; margin:0 auto; }

hr.hn-divider{ border:none; border-top:1.4px solid var(--border); margin:0 0 30px; }

/* ---------- TABS ---------- */
.hn-tab-bar{ display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin:22px 0 28px; }
.hn-tab-btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'Lato',sans-serif; font-weight:700; font-size:14.5px;
  padding:12px 24px; border-radius:999px;
  border:1.5px solid var(--border);
  background:var(--white); color:var(--navy);
  cursor:pointer; transition:background .15s, color .15s, border-color .15s;
}
.hn-tab-btn:hover{ border-color:var(--navy); }
.hn-tab-btn.active{ background:var(--navy); border-color:var(--navy); color:#fff; }
.hn-tab-panel{ display:none; }
.hn-tab-panel.active{ display:block; }

/* ---------- SECTION HEADINGS ---------- */
.hn-section-heading{ font-family:'Lora',serif; font-weight:700; font-size:22px; color:var(--navy); margin:8px 0 4px; }
.hn-section-sub{ font-style:italic; color:var(--grey); font-size:14px; margin:0 0 18px; }

/* ---------- VOCAB CARDS ---------- */
.hn-vocab-grid{ display:grid; gap:14px; }
.hn-vocab-card{
  background:var(--white); border:1px solid var(--border);
  border-left:5px solid var(--blue);
  border-radius:14px; padding:16px 18px;
  box-shadow:0 2px 10px rgba(40,30,15,0.05);
}
.hn-vocab-term{ font-family:'Lora',serif; font-weight:700; font-size:17px; color:var(--navy); margin:0 0 6px; }
.hn-vocab-badges{ display:flex; gap:6px; flex-wrap:wrap; margin-bottom:8px; }
.hn-badge{ font-size:11px; font-weight:800; padding:3px 10px; border-radius:999px; letter-spacing:.03em; white-space:nowrap; }
.hn-vocab-meaning{ color:var(--navy); font-size:14.5px; margin:0 0 8px; }
.hn-vocab-example{ font-style:italic; color:#3a3128; font-size:14px; margin:0 0 6px; padding:8px 12px; background:var(--cream); border-radius:8px; }
.hn-vocab-neutral{ font-size:12.5px; color:var(--grey); margin:0; }
.hn-vocab-neutral b{ color:var(--btn-text); }

/* register / intensity colors (assigned via JS by adding modifier class) */
.hn-badge-blue{ background:var(--blue-bg); color:var(--blue); }
.hn-badge-purple{ background:var(--purple-bg); color:var(--purple); }
.hn-badge-pink{ background:var(--pink-bg); color:var(--pink); }
.hn-badge-gold{ background:var(--gold-bg); color:#8a6a1f; }
.hn-badge-green{ background:var(--green-bg); color:var(--ok); }
.hn-badge-orange{ background:var(--orange-bg); color:#b35a1c; }

/* ---------- EXERCISE CARDS (collapsible) ---------- */
.hn-card{
  background:var(--white); border:1px solid var(--border);
  border-top:5px solid var(--accent, var(--blue));
  border-radius:18px; box-shadow:0 2px 10px rgba(40,30,15,0.05);
  padding:22px 24px 24px; margin-bottom:24px;
}
.hn-card-heading-row{ display:flex; align-items:flex-start; justify-content:space-between; gap:14px; cursor:pointer; flex-wrap:wrap; margin-bottom:2px; }
.hn-card-heading-row h2{ margin:0 0 3px; font-family:'Lora',serif; font-weight:700; font-size:19px; color:var(--navy); }
.hn-toggle-btn{
  display:inline-flex; align-items:center; gap:7px;
  background:var(--btn-bg); color:var(--btn-text);
  font-family:'Lato',sans-serif; font-weight:700; font-size:13px;
  border:none; border-radius:999px; padding:9px 18px;
  cursor:pointer; transition:background .15s; flex-shrink:0; white-space:nowrap;
}
.hn-toggle-btn:hover{ background:var(--btn-bg-hover); }
.hn-toggle-icon{ display:inline-block; transition:transform .25s ease; font-size:11px; }
.hn-content{ overflow:hidden; transition:max-height .35s ease, opacity .3s ease; opacity:1; margin-top:14px; }
.hn-content.collapsed{ display:none; }

.hn-btn{
  display:inline-flex; align-items:center; gap:7px;
  font-family:'Lato',sans-serif; font-weight:700; font-size:14px;
  background:var(--navy); color:#fff; border:none; border-radius:999px;
  padding:11px 22px; cursor:pointer; transition:background .15s; text-decoration:none;
}
.hn-btn:hover{ background:#101b27; }
.hn-btn-secondary{ background:var(--btn-bg); color:var(--btn-text); }
.hn-btn-secondary:hover{ background:var(--btn-bg-hover); }
.hn-btn-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:16px; }

/* ---------- FLASHCARDS ---------- */
.hn-flash-wrap{ display:flex; flex-direction:column; align-items:center; gap:16px; }
.hn-flash-counter{ font-size:13px; color:var(--grey); font-weight:700; }
.hn-flashcard{
  width:100%; max-width:520px; min-height:170px;
  background:var(--cream); border:1.5px solid var(--border); border-radius:16px;
  display:flex; align-items:center; justify-content:center; text-align:center;
  padding:24px; cursor:pointer; user-select:none;
  font-family:'Lora',serif;
}
.hn-flashcard .hn-flash-front{ font-size:22px; font-weight:700; color:var(--navy); }
.hn-flashcard .hn-flash-back{ display:none; }
.hn-flashcard.flipped .hn-flash-front{ display:none; }
.hn-flashcard.flipped .hn-flash-back{ display:block; }
.hn-flash-back-meaning{ font-family:'Lato',sans-serif; font-size:16px; font-weight:700; color:var(--navy); margin-bottom:8px; }
.hn-flash-back-example{ font-family:'Lato',sans-serif; font-style:italic; font-size:14px; color:var(--grey); }
.hn-flash-hint{ font-size:12px; color:var(--grey); }

/* ---------- QUIZ ---------- */
.hn-quiz-q{ margin-bottom:22px; padding-bottom:18px; border-bottom:1px solid var(--border); }
.hn-quiz-q:last-child{ border-bottom:none; }
.hn-quiz-q-text{ font-weight:700; color:var(--navy); margin-bottom:10px; font-size:15px; }
.hn-quiz-opt{ display:flex; align-items:flex-start; gap:8px; padding:8px 10px; border-radius:10px; cursor:pointer; font-size:14px; }
.hn-quiz-opt:hover{ background:var(--cream); }
.hn-quiz-opt input{ margin-top:3px; }
.hn-quiz-q.correct .hn-quiz-opt.was-checked{ background:var(--green-bg); }
.hn-quiz-q.incorrect .hn-quiz-opt.was-checked{ background:var(--pink-bg); }
.hn-quiz-opt.is-answer{ font-weight:700; }
.hn-score-banner{
  font-weight:800; font-size:15px; padding:12px 16px; border-radius:12px;
  background:var(--gold-bg); color:#8a6a1f; margin-bottom:18px; display:none;
}
.hn-score-banner.show{ display:block; }

/* ---------- FILL-IN-THE-BLANK ---------- */
.hn-fill-item{ margin-bottom:16px; font-size:14.5px; color:var(--navy); }
.hn-fill-item select{
  font-family:'Lato',sans-serif; font-weight:700; font-size:13.5px;
  border:1.5px solid var(--border); border-radius:8px; padding:5px 8px;
  background:#fff; color:var(--navy); margin:0 2px;
}
.hn-fill-item.correct select{ border-color:var(--ok); background:var(--green-bg); }
.hn-fill-item.incorrect select{ border-color:var(--bad); background:var(--pink-bg); }
.hn-fill-correct-note{ font-size:12.5px; color:var(--bad); margin-top:3px; }

/* ---------- HUB GRID (recursos/habla-natural/, a1-a2/, b1-b2/ index.html) ---------- */
.hn-hub-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:18px; margin-top:10px; }
.hn-hub-card{
  background:var(--white); border:1px solid var(--border); border-top:5px solid var(--blue);
  border-radius:16px;
  padding:22px 20px 20px; box-shadow:0 3px 14px rgba(40,30,15,0.07);
  display:flex; flex-direction:column; transition:transform .18s, box-shadow .18s;
  text-decoration:none; color:inherit;
}
.hn-hub-card:hover{ transform:translateY(-4px); box-shadow:0 10px 26px rgba(40,30,15,0.13); }

/* card accent color follows the same color as its topic badge — single source of truth */
.hn-hub-card:has(.hn-badge-blue){ border-top-color:var(--blue); }
.hn-hub-card:has(.hn-badge-purple){ border-top-color:var(--purple); }
.hn-hub-card:has(.hn-badge-pink){ border-top-color:var(--pink); }
.hn-hub-card:has(.hn-badge-gold){ border-top-color:var(--gold); }
.hn-hub-card:has(.hn-badge-green){ border-top-color:var(--green); }
.hn-hub-card:has(.hn-badge-orange){ border-top-color:var(--orange); }

.hn-hub-num{
  display:inline-flex; align-items:center; justify-content:center;
  width:32px; height:32px; border-radius:50%; flex-shrink:0;
  font-family:'Lora',serif; font-weight:700; font-size:13px;
  background:var(--btn-bg); color:var(--btn-text); margin-bottom:12px;
}
.hn-hub-card:has(.hn-badge-blue) .hn-hub-num{ background:var(--blue-bg); color:var(--blue); }
.hn-hub-card:has(.hn-badge-purple) .hn-hub-num{ background:var(--purple-bg); color:var(--purple); }
.hn-hub-card:has(.hn-badge-pink) .hn-hub-num{ background:var(--pink-bg); color:var(--pink); }
.hn-hub-card:has(.hn-badge-gold) .hn-hub-num{ background:var(--gold-bg); color:#8a6a1f; }
.hn-hub-card:has(.hn-badge-green) .hn-hub-num{ background:var(--green-bg); color:var(--ok); }
.hn-hub-card:has(.hn-badge-orange) .hn-hub-num{ background:var(--orange-bg); color:#b35a1c; }

.hn-hub-title{ font-family:'Lora',serif; font-weight:700; font-size:18px; color:var(--navy); margin:0 0 8px; }
.hn-hub-desc{ font-size:13.5px; color:var(--grey); flex:1; margin:0 0 16px; line-height:1.55; }
.hn-hub-tags{ display:flex; gap:6px; margin-bottom:10px; flex-wrap:wrap; }

.hn-hub-cta{
  display:inline-flex; align-items:center; gap:6px; align-self:flex-start;
  font-size:13px; font-weight:800; color:#fff;
  background:var(--navy); padding:9px 17px; border-radius:999px;
  transition:background .15s;
}
.hn-hub-card:hover .hn-hub-cta{ background:#101b27; }

/* "coming soon" / non-clickable card */
.hn-hub-card.is-disabled{ cursor:default; border-top-color:var(--border); }
.hn-hub-card.is-disabled:hover{ transform:none; box-shadow:0 3px 14px rgba(40,30,15,0.07); }
.hn-hub-card.is-disabled .hn-hub-num{ background:var(--btn-bg); color:var(--btn-text); }
.hn-hub-card.is-disabled .hn-hub-cta{ background:var(--btn-bg); color:var(--btn-text); }

/* ---------- FOOTER ---------- */
footer.hn-footer{ text-align:center; padding:30px 20px 50px; color:var(--grey); font-size:13px; }
footer.hn-footer a{ color:var(--btn-text); font-weight:700; text-decoration:none; }

@media (max-width:600px){
  .hn-hero h1{ font-size:24px; }
  .hn-tab-btn{ padding:10px 16px; font-size:13.5px; }
}