/* ===== Variables ===== */
:root{
  --accent: #0a84ff;
  --accent-2: #8e8e93;
  --elev: var(--card, rgba(255,255,255,0.07));
  --bd: var(--border, rgba(255,255,255,0.1));
  --sh: 0 10px 30px rgba(0,0,0,.25);
  --rad: 16px;
}

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

/* ===== Layout ===== */
.grid-elem{
  display:grid; gap:1rem;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
}
.classes-list{ display:grid; gap:1.25rem; }

/* ===== Card ===== */
.class-card{
  background: var(--elev);
  border: 1px solid var(--bd);
  border-radius: var(--rad);
  box-shadow: var(--sh);
  padding: 1rem 1.1rem;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  position: relative;
  padding-left: 108px;           /* espacio para rail */
  max-width: 100%;
  overflow: hidden;
}
.class-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0,0,0,.28);
}

/* ===== Head ===== */
.class-head{
  display:grid;
  grid-template-columns: 1fr auto auto; /* título | meta | chevron */
  gap:.9rem; align-items:center;
  margin-bottom:.6rem;
  min-width: 0;
}
.class-title{
  font-size: 1.05rem;
  font-weight: 700;
  transition: font-size .2s ease, letter-spacing .2s ease, transform .2s ease;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.class-card.is-expanded .class-title{
  font-size: 1.22rem;
  letter-spacing: .2px;
  transform: translateY(-1px);
}
.class-meta{ justify-self: end; }

/* ===== Chevron (solo CLASES) ===== */
.chevron-toggle{
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--bd);
  background: transparent;
  display:grid; place-items:center;
  color: var(--accent);
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.chevron-toggle:hover{ background: rgba(0,0,0,.06); }
.class-card.is-expanded .chevron-toggle{ transform: rotate(180deg); }
.class-card--elemental .chevron-toggle { display: none !important; }

/* ===== Rail (toda altura) ===== */
.class-badge{
  position: absolute;
  inset: 0 auto 0 0;
  width: 92px;
  border-top-left-radius: var(--rad);
  border-bottom-left-radius: var(--rad);
  border-top-right-radius: 0;
  border-bottom-right-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  font-weight: 900;
  color: #fff;
  background:
    radial-gradient(120% 120% at 0% 0%, rgba(255,255,255,.18), transparent 60%),
    conic-gradient(from 220deg, #59a4ff, #0a84ff, #7b79ff, #59a4ff);
  box-shadow:
    inset 0 1px 2px rgba(255,255,255,.25),
    0 10px 22px rgba(10,132,255,.22);
  border-right: 1px solid color-mix(in oklab, var(--accent) 30%, var(--bd) 70%);
}
.class-badge > span{
  font-size: 48px; /* número en clases; emoji en elementales se redefine abajo */
  line-height: 1;
  letter-spacing: .5px;
  text-shadow: 0 1px 0 rgba(0,0,0,.25);
  transform: translateX(-2px);
}
.class-card.is-expanded .class-badge{ width: 112px; }
.class-card.is-expanded{ padding-left: 124px; }

/* ===== Colores alternados: CLASES ===== */
.classes-list > .class-card:nth-child(6n+1) .class-badge{ background: conic-gradient(from 220deg, #59a4ff, #0a84ff, #7b79ff, #59a4ff); }
.classes-list > .class-card:nth-child(6n+2) .class-badge{ background: conic-gradient(from 220deg, #ff8a59, #ff5e0a, #ff7b79, #ff8a59); }
.classes-list > .class-card:nth-child(6n+3) .class-badge{ background: conic-gradient(from 220deg, #59ff9c, #0aff84, #79ff7b, #59ff9c); }
.classes-list > .class-card:nth-child(6n+4) .class-badge{ background: conic-gradient(from 220deg, #ffd859, #ffb90a, #ffdf79, #ffd859); }
.classes-list > .class-card:nth-child(6n+5) .class-badge{ background: conic-gradient(from 220deg, #c759ff, #8a0aff, #b579ff, #c759ff); }
.classes-list > .class-card:nth-child(6n)   .class-badge{ background: conic-gradient(from 220deg, #59e0ff, #0aa4ff, #79c8ff, #59e0ff); }

/* ===== Colores alternados: ELEMENTALES ===== */
.class-card--elemental .class-badge.badge-var-1{ background: conic-gradient(from 220deg, #5ec2ff, #0a9bff, #78c3ff, #5ec2ff); }
.class-card--elemental .class-badge.badge-var-2{ background: conic-gradient(from 220deg, #ffa85e, #ff7a0a, #ffb37a, #ffa85e); }
.class-card--elemental .class-badge.badge-var-3{ background: conic-gradient(from 220deg, #62ffb0, #12d690, #86ffc6, #62ffb0); }
.class-card--elemental .class-badge.badge-var-4{ background: conic-gradient(from 220deg, #ffe062, #ffbb0a, #ffe680, #ffe062); }
.class-card--elemental .class-badge.badge-var-5{ background: conic-gradient(from 220deg, #d47dff, #962aff, #c29bff, #d47dff); }
.class-card--elemental .class-badge.badge-var-6{ background: conic-gradient(from 220deg, #6fe6ff, #10b8ff, #93ecff, #6fe6ff); }

/* ===== Token “glass” + relieve (ELEMENTALES) ===== */
.class-card--elemental .class-badge{
  box-shadow:
    inset 0 1px 2px rgba(255,255,255,.25),
    0 14px 28px rgba(0,0,0,.25),
    0 0 0 1px rgba(255,255,255,.08);
}
.class-card--elemental .class-badge::after{
  content:"";
  position:absolute;
  width: 60px; height: 60px;
  border-radius: 18px;
  background: color-mix(in oklab, white 22%, transparent);
  box-shadow:
    inset 0 2px 8px rgba(255,255,255,.35),
    inset 0 -10px 18px rgba(0,0,0,.15),
    0 10px 24px rgba(0,0,0,.28);
  backdrop-filter: saturate(160%) blur(2px);
  -webkit-backdrop-filter: saturate(160%) blur(2px);
  left: 50%; top: 50%;
  transform: translate(-50%,-50%);
}
.class-card--elemental .class-badge > span{
  position: relative; z-index: 1;
  font-size: 42px;
  transform: none;
  text-shadow:
    0 1px 0 rgba(255,255,255,.25),
    0 2px 4px rgba(0,0,0,.25);
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.35)) saturate(1.05) contrast(1.05);
}

/* ===== Botones / pills ===== */
.pill{
  display:inline-flex; align-items:center; gap:.35rem;
  font-size:.8rem; padding:.25rem .55rem;
  border-radius:999px; border:1px solid var(--bd); opacity:.9;
  white-space:nowrap;
}
.btn{
  display:inline-flex; align-items:center; gap:.35rem;
  padding:.5rem .8rem; border-radius:12px;
  text-decoration:none; border:1px solid var(--bd);
  transition: background .2s, border-color .2s;
}
.btn:hover{ background: rgba(0,0,0,.06); }
.btn-primary{ background: var(--accent); border-color: var(--accent); color: white; }
.btn-primary:hover{ filter: brightness(1.05); }

.class-actions{
  display:flex; gap:.5rem; flex-wrap:wrap;
  margin: .35rem 0 .5rem;
}
.class-collapse{ overflow: hidden; }
.class-groups{ display:flex; flex-direction:column; gap:.75rem; }

/* Group box */
.group-box{
  background: color-mix(in oklab, var(--elev) 92%, black 8%);
  border: 1px dashed var(--bd);
  border-radius: 12px;
  padding: .75rem .9rem;
}
.group-head{ display:flex; align-items:center; justify-content:space-between; margin-bottom: .25rem; }
.group-title{ font-weight:600; opacity:.9; }

/* Items */
.item-row{
  display:flex; align-items:center; justify-content:space-between;
  gap:.75rem; flex-wrap:wrap;
  padding:.5rem 0; border-top:1px dashed var(--bd);
}
.item-row:first-of-type{ border-top:0; }
.item-actions{ display:flex; gap:.5rem; flex-wrap:wrap; }
.item-actions--mobile{ display:flex; gap:.4rem; flex-wrap:nowrap; }
.item-name{ font-weight:500; }

/* ===== Icon buttons (mobile actions) ===== */
.iconbtn{
  display:inline-flex; align-items:center; justify-content:center;
  width: 40px; height: 40px;
  border:1px solid var(--bd);
  border-radius: 10px;
  text-decoration: none;
  background: transparent;
  cursor: pointer;
  font-size: 1.15rem;   /* tamaño del emoji */
  line-height: 1;
}
.iconbtn:hover{ background: rgba(0,0,0,.06); }

/* ===== Modal base ===== */
.clase-modal-open{ overflow:hidden; }
.clase-modal-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.45);
  display:grid; place-items:center; z-index: 1000;
  animation: fadeIn .15s ease;
}
.clase-modal{
  width:min(1100px, 92vw);
  max-height: 90vh;
  background: var(--elev);
  border:1px solid var(--bd);
  border-radius: 14px;
  box-shadow: var(--sh);
  display:flex; flex-direction:column;
  contain: layout paint size; /* performance + aislar efectos de overflow */
}
.clase-modal-header{
  display:flex; align-items:center; justify-content:space-between;
  gap:.5rem;
  padding:.7rem 1rem; border-bottom:1px solid var(--bd);
}
.clase-modal-title{ font-size:1.02rem; font-weight:650; margin-right:auto; }
.clase-modal-tools{ display:flex; align-items:center; gap:.4rem; }
.tool-btn{
  border:1px solid var(--bd);
  background: transparent;
  padding:.35rem .5rem;
  border-radius: 8px;
  cursor:pointer;
  color: inherit;
  text-decoration: none;
}
.tool-btn:hover{ background: rgba(0,0,0,.06); }
.tool-sep{ width:1px; height:20px; background: var(--bd); display:inline-block; }

.clase-modal-desc{ margin:.25rem 1rem 0; opacity:.85; }
.clase-modal-viewer{ padding: .75rem 1rem 1rem; }
.iframe-viewport{
  width:100%; height:70vh; overflow:auto; border-radius:10px; background:#0000000d;
  -webkit-overflow-scrolling: touch;
}
.iframe-scaler{ transform-origin: top left; }
.clase-modal-viewer iframe{
  width:100%; height:70vh; border:0; border-radius: 10px; display:block;
}

/* ===== Mobile: modal fullscreen minimal ===== */
.clase-modal--mobile{
  width:100vw;
  height:100vh; /* fallback */
  max-height: 100vh;
  border-radius: 0;
  contain: layout paint size;
}
.clase-modal-viewer--fill{
  padding: 0; flex: 1 1 auto; display:flex;
}
.clase-modal--mobile .clase-modal-viewer--fill iframe{
  width:100%;
  height: calc(100vh - 56px); /* fallback */
  border-radius: 0;
  display:block;
}

/* Usa 100dvh cuando está disponible (mejor en iOS/Android chromeless) */
@supports (height: 100dvh){
  .clase-modal--mobile{
    height: 100dvh;
    max-height: 100dvh;
  }
  .clase-modal--mobile .clase-modal-viewer--fill iframe{
    height: calc(100dvh - 56px);
  }
}

/* ===== Anim ===== */
@keyframes fadeIn{ from{ opacity:0 } to { opacity:1 } }

/* ===== Responsive ===== */
@media (max-width: 860px){
  .grid-elem{ grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
}

@media (max-width: 680px){
  .grid-elem{ grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }

  .class-badge{ width: 72px; }
  .class-card{ padding-left: 88px; }

  /* Cabecera mobile: 2 columnas [título][chevron] + meta en fila completa abajo */
  .class-head{
    grid-template-columns: 1fr auto !important;
    grid-auto-rows: auto;
    align-items: center;
    gap:.6rem;
  }
  .chevron-toggle{
    width: 40px; height: 40px;
    grid-column: 2; grid-row: 1;
  }
  .class-title{
    grid-column: 1; grid-row: 1;
    white-space: normal;
  }
  .class-meta{
    grid-column: 1 / -1;
    justify-self: start;
    white-space: normal;
  }

  .item-actions--mobile{
    display:flex; gap:.4rem; flex-wrap:nowrap;
  }

  .class-actions{ gap:.4rem; }
  .btn{ padding:.45rem .7rem; }
  .pill{ padding:.2rem .5rem; }
}

/* separa el texto de sección de la primera clase */
.classes-list{
  margin-top: 12px;   /* probá 16px si querés un poco más */
}