:root { --fondo: #f5f5f7; --tarjeta: #fff; --texto: #1c1c1f; --suave: #6b6b75; --borde: #e3e3e8; --acento: #b8901a; --ok: #1f9d55; --mal: #d64545; }
@media (prefers-color-scheme: dark) { :root { --fondo: #0f0f12; --tarjeta: #19191d; --texto: #ececf0; --suave: #9a9aa5; --borde: #2b2b31; --acento: #d4af37; } }
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; background: var(--fondo); color: var(--texto); font-size: 15px; }
.oculto { display: none !important; }
.centro { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.tarjeta { background: var(--tarjeta); border: 1px solid var(--borde); border-radius: 14px; padding: 16px; }
.login { width: 100%; max-width: 360px; }
.login h1 { font-size: 1.3rem; margin-top: 0; }
input, select, textarea { width: 100%; padding: 10px; border: 1px solid var(--borde); border-radius: 9px; background: var(--fondo); color: inherit; font: inherit; margin-bottom: 8px; }
textarea { min-height: 90px; resize: vertical; }
label { font-size: .85rem; color: var(--suave); display: block; margin: 6px 0 3px; }
.btn { background: var(--acento); color: #fff; border: 0; border-radius: 9px; padding: 10px 14px; font: inherit; font-weight: 600; cursor: pointer; }
.btn.sec { background: transparent; color: var(--texto); border: 1px solid var(--borde); }
.btn.mal { background: var(--mal); }
.btn.chico { padding: 5px 9px; font-size: .85rem; }
.link { background: none; border: 0; color: var(--suave); cursor: pointer; font: inherit; }
.error { color: var(--mal); font-size: .9rem; }
header { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; background: var(--tarjeta); border-bottom: 1px solid var(--borde); gap: 10px; }
nav { display: flex; gap: 4px; overflow-x: auto; padding: 8px 12px; background: var(--tarjeta); border-bottom: 1px solid var(--borde); }
nav button { background: none; border: 0; padding: 8px 12px; border-radius: 8px; cursor: pointer; color: var(--suave); font: inherit; white-space: nowrap; }
nav button.activo { background: var(--fondo); color: var(--texto); font-weight: 600; }
main { max-width: 1000px; margin: 0 auto; padding: 16px; }
.pill { font-size: .75rem; padding: 2px 8px; border-radius: 99px; background: var(--fondo); color: var(--suave); margin-left: 6px; }
.pill.ok { color: var(--ok); } .pill.mal { color: var(--mal); }
.fila { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.fila > * { margin-bottom: 0; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 16px; }
.kpi b { font-size: 1.5rem; display: block; }
.kpi span { color: var(--suave); font-size: .85rem; }
.lista > div { display: flex; justify-content: space-between; gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--borde); align-items: center; }
.lista > div:last-child { border-bottom: 0; }
.suave { color: var(--suave); font-size: .88rem; }
.estado-cancelada { opacity: .5; text-decoration: line-through; }
.chat { display: grid; grid-template-columns: 280px 1fr; gap: 12px; min-height: 60vh; }
.chat .convs { overflow-y: auto; max-height: 70vh; }
.chat .convs div { padding: 10px; border-radius: 9px; cursor: pointer; }
.chat .convs div.sel { background: var(--fondo); }
.burbujas { display: flex; flex-direction: column; gap: 6px; max-height: 58vh; overflow-y: auto; padding: 4px; }
.b { max-width: 80%; padding: 8px 11px; border-radius: 12px; white-space: pre-wrap; font-size: .93rem; }
.b.user { background: var(--fondo); align-self: flex-start; }
.b.assistant { background: color-mix(in srgb, var(--acento) 18%, transparent); align-self: flex-end; }
.b.humano { background: color-mix(in srgb, var(--ok) 18%, transparent); align-self: flex-end; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; padding: 16px; z-index: 10; }
.modal .tarjeta { width: 100%; max-width: 460px; max-height: 90vh; overflow-y: auto; }
.horario { display: grid; grid-template-columns: 90px 1fr 1fr 70px; gap: 6px; align-items: center; }
.horario input { margin: 0; }
.qr { text-align: center; } .qr img { max-width: 280px; width: 100%; background: #fff; padding: 8px; border-radius: 10px; }
@media (max-width: 700px) { .chat { grid-template-columns: 1fr; } .chat .convs { max-height: 30vh; } }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 10px; margin-bottom: 16px; }
.barra { height: 6px; background: var(--fondo); border-radius: 99px; overflow: hidden; margin: 6px 0 3px; max-width: 260px; }
.barra i { display: block; height: 100%; background: var(--acento); }
.semana { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-bottom: 12px; }
.semana .tarjeta { padding: 10px; }
.clase { display: block; width: 100%; text-align: left; background: var(--fondo); border: 1px solid var(--borde); border-radius: 9px; padding: 7px 8px; margin-top: 6px; color: inherit; font: inherit; font-size: .88rem; cursor: pointer; }
details summary::-webkit-details-marker { display: none; }