/* ===================== PRESENTACIONES (herramienta interna) ===================== */
/* Misma paleta que la calculadora espacial: fondo blueprint oscuro + acentos térmicos. */
:root{
  --c-paper:#0f1216; --c-card:#151a20; --c-line:rgba(140,182,255,.16);
  --c-ink:#eef1f4; --c-soft:#8b96a5; --c-cyan:#4fd1ff;
  --t5:#FF4500; --t6:#FF8C00; --t7:#FFD700; --near-black:#1A1A1E;
}
*{box-sizing:border-box;}
body{
  margin:0;min-height:100vh;color:var(--c-ink);font-family:'Space Grotesk',sans-serif;
  background:var(--c-paper);
  background-image:linear-gradient(var(--c-line) 1px,transparent 1px),linear-gradient(90deg,var(--c-line) 1px,transparent 1px);
  background-size:48px 48px;background-position:-1px -1px;
}

.pz-header{display:flex;align-items:center;gap:1.2rem;padding:1.4rem 5vw;border-bottom:1px solid var(--c-line);}
.pz-logo img{height:34px;display:block;}
.pz-fig{font-family:'JetBrains Mono',monospace;font-size:.66rem;letter-spacing:.12em;color:var(--c-soft);}
.pz-header h1{font-family:'Archivo',sans-serif;font-weight:800;font-size:clamp(1.2rem,2.6vw,1.8rem);margin:.15rem 0 0;letter-spacing:-.01em;}

.pz-grid{display:grid;grid-template-columns:minmax(280px,1fr) minmax(300px,1.3fr) minmax(280px,1fr);gap:1px;background:var(--c-line);border:1px solid var(--c-line);margin:2rem 5vw 4rem;}
@media(max-width:1100px){.pz-grid{grid-template-columns:1fr 1fr;}.pz-prompts{grid-column:1 / -1;}}
@media(max-width:720px){.pz-grid{grid-template-columns:1fr;margin:1rem 16px 3rem;}}
.pz-panel{background:var(--c-card);padding:1.4rem;min-width:0;display:flex;flex-direction:column;gap:.9rem;}

.pz-lbl{font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--c-soft);margin-top:.4rem;}
.pz-note{font-family:'JetBrains Mono',monospace;font-size:.64rem;line-height:1.6;color:var(--c-soft);margin:0;}

.pz-drops{display:grid;grid-template-columns:1fr 1fr;gap:.7rem;}
.pz-drop{position:relative;aspect-ratio:3/4;border:1px dashed var(--c-line);border-radius:2px;cursor:pointer;display:flex;flex-direction:column;justify-content:flex-end;padding:.6rem;overflow:hidden;background:var(--c-paper);transition:border-color .15s;}
.pz-drop:hover,.pz-drop.over{border-color:var(--c-cyan);}
.pz-drop img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.pz-drop-tag{position:relative;font-family:'JetBrains Mono',monospace;font-weight:700;font-size:.7rem;letter-spacing:.14em;color:var(--c-ink);}
.pz-drop-hint{position:relative;font-size:.72rem;color:var(--c-soft);line-height:1.35;margin-top:.25rem;}
.pz-drop.has-img .pz-drop-hint{display:none;}
.pz-drop.has-img .pz-drop-tag{background:rgba(15,18,22,.8);padding:.2rem .45rem;align-self:flex-start;}

.pz-seg{display:flex;flex-direction:column;gap:6px;}
.pz-seg-row{flex-direction:row;flex-wrap:wrap;}
.pz-seg-row label{flex:1;}
.pz-seg label{cursor:pointer;}
.pz-seg input{position:absolute;opacity:0;pointer-events:none;}
.pz-seg span{display:block;text-align:center;font-family:'JetBrains Mono',monospace;font-size:.74rem;padding:.55rem .7rem;border:1px solid var(--c-line);border-radius:2px;color:var(--c-soft);transition:.15s;}
.pz-seg label:hover span{color:var(--c-ink);}
.pz-seg input:checked + span{border-color:var(--c-cyan);color:var(--c-cyan);background:rgba(79,209,255,.08);}
.pz-seg input:focus-visible + span{outline:2px solid var(--c-cyan);outline-offset:2px;}

.pz-field{display:flex;flex-direction:column;gap:.3rem;}
.pz-field span{font-size:.74rem;color:var(--c-soft);}
.pz-field input{background:transparent;border:1px solid var(--c-line);border-radius:2px;color:var(--c-ink);font:inherit;font-size:.88rem;padding:.5rem .6rem;}
.pz-field input:focus,.pz-prompt textarea:focus{outline:none;border-color:var(--c-cyan);}

.pz-check{display:flex;align-items:center;gap:.6rem;font-size:.84rem;cursor:pointer;}
.pz-check input{accent-color:var(--t6);width:16px;height:16px;}

.pz-stage{position:relative;display:flex;align-items:center;justify-content:center;background:#000;border:1px solid var(--c-line);height:min(68vh,640px);}
.pz-stage canvas{max-width:100%;max-height:100%;display:block;}
.pz-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;padding:2rem;font-family:'JetBrains Mono',monospace;font-size:.72rem;line-height:1.6;color:var(--c-soft);background:var(--c-paper);}
.pz-empty[hidden]{display:none;}
.pz-timeline{height:3px;background:var(--c-line);}
.pz-timeline-bar{height:100%;width:0;background:linear-gradient(90deg,var(--t5),var(--t7));}

.pz-actions{display:flex;flex-wrap:wrap;gap:.6rem;}
.pz-btn{font-family:'Archivo',sans-serif;font-weight:700;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;padding:.8rem 1.1rem;border-radius:3px;cursor:pointer;background:transparent;color:var(--c-ink);border:1.5px solid var(--c-line);transition:.2s;}
.pz-btn:hover:not(:disabled){border-color:var(--c-cyan);color:var(--c-cyan);}
.pz-btn.hot{background:linear-gradient(135deg,var(--t5),var(--t6));border-color:transparent;color:var(--near-black);}
.pz-btn.hot:hover:not(:disabled){filter:brightness(1.08);color:var(--near-black);}
.pz-btn:disabled{opacity:.4;cursor:not-allowed;}
.pz-status{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--c-soft);min-height:1em;}

.pz-prompt{display:flex;flex-direction:column;gap:.35rem;}
.pz-prompt-head{display:flex;justify-content:space-between;align-items:center;font-family:'JetBrains Mono',monospace;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--c-ink);}
.pz-copy{font-family:'JetBrains Mono',monospace;font-size:.64rem;background:transparent;border:1px solid var(--c-line);color:var(--c-cyan);padding:.25rem .55rem;border-radius:2px;cursor:pointer;}
.pz-prompt textarea{width:100%;resize:vertical;background:var(--c-paper);border:1px solid var(--c-line);border-radius:2px;color:rgba(238,241,244,.85);font-family:'JetBrains Mono',monospace;font-size:.7rem;line-height:1.55;padding:.6rem;}