/* 279studio — demos inmersivas: overlay fullscreen, paleta propia por demo */

.demo-modal {
  position: fixed; inset: 0; z-index: 800; background: var(--negro);
  visibility: hidden; opacity: 0; transform: scale(0.92);
  transform-origin: var(--origin-x, 50%) var(--origin-y, 50%);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), visibility 0.5s;
  overflow-y: auto;
}
.demo-modal.is-open { visibility: visible; opacity: 1; transform: scale(1); }
.demo-modal-inner { min-height: 100%; background: var(--demo-bg); color: var(--demo-text); }
.demo-topbar { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center; padding: 1.2rem var(--gutter); background: var(--demo-bg); border-bottom: 1px solid var(--demo-line); }
.demo-back { display: flex; align-items: center; gap: 0.5rem; font-family: var(--label); font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--demo-text); }
.demo-tag { font-family: var(--label); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--demo-accent); border: 1px solid var(--demo-accent); padding: 0.3rem 0.7rem; border-radius: 999px; }
.demo-content { padding: 3rem var(--gutter) 5rem; max-width: 900px; margin-inline: auto; }
.demo-content h1 { font-family: var(--serif); font-size: clamp(2rem, 4vw, 3rem); color: var(--demo-text); }
.demo-content .demo-lead { color: var(--demo-text-soft); margin-top: 0.8rem; max-width: 56ch; }

.demo-card-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2.5rem; }
@media (max-width: 700px) { .demo-card-row { grid-template-columns: 1fr; } }
.demo-slot { border: 1px solid var(--demo-line); border-radius: var(--radius-m); padding: 1.4rem; cursor: pointer; background: var(--demo-card); transition: border-color 0.2s, transform 0.2s; }
.demo-slot:hover, .demo-slot:focus-visible { border-color: var(--demo-accent); transform: translateY(-2px); }
.demo-slot[aria-pressed="true"] { border-color: var(--demo-accent); background: var(--demo-card-active); }
.demo-slot .t { font-family: var(--serif); font-size: 1.15rem; }
.demo-slot .s { font-size: 0.85rem; color: var(--demo-text-soft); margin-top: 0.3rem; }

.demo-btn { margin-top: 2rem; display: inline-flex; padding: 0.9rem 1.8rem; border-radius: 999px; background: var(--demo-accent); color: var(--demo-bg); font-family: var(--label); font-size: 0.85rem; letter-spacing: 0.06em; text-transform: uppercase; }
.demo-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.demo-confirm { margin-top: 2.5rem; padding: 1.6rem; border: 1px solid var(--demo-accent); border-radius: var(--radius-m); background: var(--demo-card); display: none; }
.demo-confirm.is-visible { display: block; }
.demo-confirm .ok-title { color: var(--demo-accent); font-family: var(--serif); font-size: 1.2rem; }

.demo-chat { margin-top: 2rem; border: 1px solid var(--demo-line); border-radius: var(--radius-m); overflow: hidden; }
.demo-chat-msgs { padding: 1.2rem; display: flex; flex-direction: column; gap: 0.8rem; min-height: 140px; }
.demo-chat-msg { max-width: 75%; padding: 0.7rem 1rem; border-radius: 14px; font-size: 0.9rem; }
.demo-chat-msg.bot { background: var(--demo-card); align-self: flex-start; }
.demo-chat-msg.user { background: var(--demo-accent); color: var(--demo-bg); align-self: flex-end; }
.demo-chat-input-row { display: flex; border-top: 1px solid var(--demo-line); }
.demo-chat-input-row input { flex: 1; padding: 0.9rem 1rem; background: transparent; color: var(--demo-text); }
.demo-chat-input-row button { padding: 0.9rem 1.4rem; background: var(--demo-accent); color: var(--demo-bg); font-family: var(--label); font-size: 0.8rem; text-transform: uppercase; }

.demo-file { margin-top: 2rem; display: grid; grid-template-columns: 1fr; gap: 0.8rem; }
.demo-file-row { display: flex; justify-content: space-between; padding: 0.9rem 1.2rem; border: 1px solid var(--demo-line); border-radius: var(--radius-s); background: var(--demo-card); font-size: 0.9rem; }
.demo-alert { margin-top: 1.4rem; padding: 1rem 1.2rem; border-radius: var(--radius-s); background: rgba(201,90,74,0.12); border: 1px solid rgba(201,90,74,0.4); color: #e0a08e; font-size: 0.9rem; }

/* Paletas por demo */
[data-demo="academia"] { --demo-bg:#1c130c; --demo-card:#2a1c11; --demo-card-active:#3a2716; --demo-line:rgba(240,200,160,0.16); --demo-text:#f5e6d8; --demo-text-soft:#c9a889; --demo-accent:#e08a3c; }
[data-demo="restaurante"] { --demo-bg:#170c10; --demo-card:#26141a; --demo-card-active:#391f28; --demo-line:rgba(230,170,180,0.14); --demo-text:#f2e2e6; --demo-text-soft:#c99aa5; --demo-accent:#c9436b; }
[data-demo="clinica"] { --demo-bg:#0d1512; --demo-card:#17221d; --demo-card-active:#22322a; --demo-line:rgba(170,220,200,0.14); --demo-text:#e5f2ec; --demo-text-soft:#9dc4b5; --demo-accent:#4fa889; }