:root{
  --bg:#f6f5f2; --surface:#ffffff; --surface-2:#efeee9; --line:#e2e0d9; --line-2:#cfcdc4;
  --ink:#121214; --ink-2:#55555c; --ink-3:#8a8a92;
  --accent:#2f3cff; --accent-ink:#ffffff; --accent-soft:#e8eaff;
  --ok:#0f7a4f; --ok-soft:#e3f4ec; --warn:#9a5b00; --danger:#c42b2b; --danger-soft:#fbe9e9;
  --r:10px; --r-lg:16px;
  --shadow:0 1px 2px rgba(18,18,20,.04),0 8px 24px -12px rgba(18,18,20,.14);
  --ease:cubic-bezier(.2,.8,.2,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0b0b0d; --surface:#141417; --surface-2:#1b1b1f; --line:#26262b; --line-2:#34343a;
  --ink:#f3f3f1; --ink-2:#a6a6ad; --ink-3:#6e6e76;
  --accent:#6f7bff; --accent-ink:#0b0b0d; --accent-soft:#1c1f45;
  --ok:#3ccf8e; --ok-soft:#10291e; --warn:#e3a43b; --danger:#ff6b6b; --danger-soft:#2c1414;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 12px 32px -16px rgba(0,0,0,.7);
  color-scheme:dark;
}}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font:15px/1.5 "Geist",system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
button,input,textarea,select{font:inherit;color:inherit}
.mono{font-family:"Geist Mono",ui-monospace,monospace}
.muted{color:var(--ink-2)}
.tiny{font-size:12.5px;color:var(--ink-3)}
h1,h2,h3{margin:0;letter-spacing:-.02em;line-height:1.15}
.hidden{display:none!important}

/* Marca */
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;letter-spacing:-.02em}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--ink);display:grid;place-items:center}
.brand-mark svg{width:18px;height:18px}
.brand small{font-weight:400;color:var(--ink-3)}

/* Botones */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 16px;border-radius:var(--r);border:1px solid var(--line-2);background:var(--surface);cursor:pointer;font-weight:500;text-decoration:none;white-space:nowrap;transition:transform .12s var(--ease),background .15s,border-color .15s,box-shadow .15s}
.btn:hover{border-color:var(--ink-3)}
.btn:active{transform:translateY(1px) scale(.99)}
.btn:focus-visible,.input:focus-visible,.chip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn svg{width:18px;height:18px;flex:none}
.btn-primary{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn-primary:hover{border-color:var(--ink);box-shadow:0 6px 18px -8px rgba(18,18,20,.5)}
.btn-accent{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn-accent:hover{border-color:var(--accent);filter:brightness(1.06)}
.btn-ghost{background:transparent;border-color:transparent}
.btn-ghost:hover{background:var(--surface-2);border-color:transparent}
.btn-danger{color:var(--danger)}
.btn-sm{height:34px;padding:0 12px;font-size:14px}
.btn-icon{width:38px;height:38px;padding:0}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn .spin{display:none}
.btn.loading .spin{display:block}
.btn.loading .lbl{opacity:.6}
.spin{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:girar .7s linear infinite}
@keyframes girar{to{transform:rotate(360deg)}}

/* Formularios */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13.5px;font-weight:500;color:var(--ink-2)}
.input{height:44px;padding:0 12px;border-radius:var(--r);border:1px solid var(--line-2);background:var(--surface);width:100%;transition:border-color .15s,box-shadow .15s}
textarea.input{height:auto;min-height:84px;padding:10px 12px;resize:vertical}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.err{color:var(--danger);font-size:13.5px;min-height:1em}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;cursor:pointer}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--accent);flex:none}

/* Tarjetas y estructura */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.wrap{max-width:1040px;margin:0 auto;padding:28px 20px 80px}
.row{display:flex;align-items:center;gap:10px}
.between{justify-content:space-between}
.stack{display:flex;flex-direction:column}

/* Estado: texto + icono (sin puntos de color) */
.estado{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--ink-2)}
.estado svg{width:15px;height:15px}
.estado.ok{color:var(--ok)}
.estado.esperando{color:var(--ink-2)}
.estado.cancelado{color:var(--ink-3);text-decoration:line-through}

/* Aviso flotante */
#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);opacity:0;background:var(--ink);color:var(--bg);padding:11px 16px;border-radius:var(--r);font-size:14px;z-index:100;transition:all .25s var(--ease);pointer-events:none;max-width:calc(100% - 32px)}
#toast.on{opacity:1;transform:translate(-50%,0)}

/* Diálogo */
dialog{border:none;padding:0;border-radius:var(--r-lg);background:var(--surface);color:var(--ink);box-shadow:0 30px 80px -20px rgba(0,0,0,.45);width:min(520px,calc(100% - 24px));max-height:calc(100dvh - 24px)}
dialog::backdrop{background:rgba(10,10,12,.5);backdrop-filter:blur(3px)}
dialog[open]{animation:entrar .22s var(--ease)}
@keyframes entrar{from{opacity:0;transform:translateY(10px) scale(.98)}}
.dlg-head{display:flex;justify-content:space-between;align-items:center;padding:18px 20px 6px}
.dlg-body{padding:12px 20px 20px;display:flex;flex-direction:column;gap:14px}

/* Pestañas segmentadas */
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;background:var(--surface-2);border-radius:var(--r);padding:3px;gap:3px}
.seg button{height:36px;border:none;background:transparent;border-radius:8px;cursor:pointer;font-weight:500;color:var(--ink-2);transition:background .15s,color .15s}
.seg button[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}

/* Visor de PDF */
.pdf-pages{display:flex;flex-direction:column;align-items:center;gap:18px}
.pdf-page{position:relative;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.12),0 12px 30px -18px rgba(0,0,0,.35);border-radius:4px;overflow:hidden;max-width:100%}
.pdf-page canvas{display:block;width:100%;height:auto}
.pdf-layer{position:absolute;inset:0}
.pg-num{font-size:12px;color:var(--ink-3);margin-top:-10px}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* Recuadro de firma */
.pad{position:relative;border:1px solid var(--line-2);border-radius:var(--r);background:#fff;touch-action:none;height:190px}
.pad canvas{width:100%;height:100%;display:block;cursor:crosshair}
.pad .base{position:absolute;left:20px;right:20px;bottom:44px;border-bottom:1px dashed #c9c9cf;pointer-events:none}
.pad .ph{position:absolute;inset:0;display:grid;place-items:center;color:#9a9aa3;pointer-events:none;font-size:14px}
.escrita{height:110px;border:1px solid var(--line-2);border-radius:var(--r);background:#fff;display:grid;place-items:center;font:52px/1 "Mrs Saint Delafield",cursive;color:#121a44;overflow:hidden;white-space:nowrap;padding:0 10px}
.firma-guardada{height:130px;border:1px solid var(--line-2);border-radius:var(--r);background:#fff;display:grid;place-items:center;padding:12px}
.firma-guardada img{max-width:100%;max-height:100%}