/* Base: variables de marca, fondo, layout, botones, formularios, utilidades.
   Los colores de :root se pueden sobrescribir desde config.js (MARCA.colores). */

:root{
  /* Paleta Sync: negro, azul eléctrico, verde lima, blanco (+ naranjo como acento mínimo).
     Los nombres de variables se conservan del motor original para no tocar reglas. */
  --azul:#0B0BDD; --azul-deep:#07079A; --petroleo:#0B0BDD; --marino:#000000; --gris:#F1F1F5;
  --aqua:#60E96D; --celeste:#60E96D; --lima:#60E96D; --amarillo:#60E96D; --navy:#000000; --grafito:#1A1A1A;
  --naranjo:#FF5A36;
  --destacar:linear-gradient(90deg,#60E96D 0%,#8DF597 100%);
  --ink:#0A0A0A; --ink-soft:#55555F; --line:#E2E2EA; --card:#FFFFFF;
  --ok:#60E96D; --bad:#FF5A36;
  --radius:20px;
  --fondo-1:#0B0BDD; --fondo-2:#000000;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:'DM Sans',system-ui,sans-serif;color:var(--ink);min-height:100vh;line-height:1.45;background:#000}
body::before{content:"";position:fixed;inset:0;z-index:-1;
  /* Colores fijos: no dependen de config.js (MARCA.colores no puede pisarlos) */
  background:radial-gradient(circle at 92% -8%, rgba(11,11,221,.75) 0%, rgba(11,11,221,0) 46%),radial-gradient(circle at -12% 108%, rgba(11,11,221,.5) 0%, rgba(11,11,221,0) 42%),#000 !important}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%);
  mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 78%)}
.display{font-family:'Poppins',sans-serif;font-weight:700;letter-spacing:-.01em}

#app{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;position:relative}
main{flex:1;padding:18px 18px 100px}
header.top{padding:22px 18px 10px;display:flex;align-items:center;justify-content:space-between;gap:8px}
header.top .brand-logo{height:54px;width:54px;filter:drop-shadow(0 4px 14px rgba(0,0,0,.4));animation:logoFloat 3.8s ease-in-out infinite;transform-origin:50% 90%}
header.top .rgt{display:flex;align-items:center;gap:8px}
header.top .day-pill{font-size:.7rem;font-weight:700;padding:6px 14px;border-radius:99px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);color:#fff;letter-spacing:.08em;text-transform:uppercase;backdrop-filter:blur(6px);font-family:'Poppins',sans-serif}
/* Franja de colores superior: desactivada (la marca Sync usa fondo negro limpio) */
.top-franja{display:none !important}
.snd-btn{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);border-radius:99px;width:32px;height:32px;cursor:pointer;font-size:.85rem;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px)}
nav.tabs{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:rgba(255,255,255,.98);border-top:1px solid var(--line);display:flex;z-index:40;padding-bottom:env(safe-area-inset-bottom);backdrop-filter:blur(10px)}
nav.tabs button{flex:1;background:none;border:none;padding:12px 4px 10px;cursor:pointer;font-family:'DM Sans',sans-serif;font-size:.72rem;font-weight:600;color:var(--ink-soft);display:flex;flex-direction:column;align-items:center;gap:3px}
nav.tabs button .ico{font-size:1.15rem;line-height:1}
nav.tabs button.active{color:var(--azul)}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
/* Botón principal = elemento destacado: verde lima Sync con texto negro */
.btn{display:block;width:100%;padding:15px 18px;border:none;border-radius:99px;background:var(--destacar);color:var(--marino);font-family:'Poppins',sans-serif;font-size:1rem;font-weight:700;cursor:pointer;transition:transform .1s,opacity .15s,filter .15s;box-shadow:0 6px 20px rgba(96,233,109,.28)}
.btn:active{transform:scale(.98);filter:brightness(.92)}
.btn:focus-visible{outline:3px solid #fff;outline-offset:3px;box-shadow:0 0 0 6px var(--azul)}
.btn[disabled]{opacity:.4;cursor:default}
.btn.ghost{box-shadow:none;background:rgba(255,255,255,.14);border:1.5px solid rgba(255,255,255,.6);color:#fff;backdrop-filter:blur(6px)}
.btn-link{background:none;border:none;color:var(--azul);font-family:'Poppins',sans-serif;font-weight:600;font-size:.9rem;cursor:pointer;text-decoration:underline;padding:4px}
.btn-link[disabled]{opacity:.5;cursor:default;text-decoration:none}
.btn.ghost-dark{box-shadow:none;background:var(--gris);color:var(--azul);border:1.5px solid var(--line)}
label{display:block;font-size:.8rem;font-weight:600;margin:16px 0 6px;color:var(--ink)}
input,textarea{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;font-family:'DM Sans',sans-serif;font-size:1rem;background:#F6F6F8;color:var(--ink)}
input:focus,textarea:focus{outline:2px solid var(--aqua);outline-offset:1px;border-color:var(--aqua);background:#fff}
.hint{font-size:.78rem;color:var(--ink-soft);margin-top:6px}
.err{font-size:.82rem;color:var(--bad);font-weight:600;margin-top:8px;display:none}
.btn.light{box-shadow:none;background:#fff;color:var(--azul)}
.btn.light:active{background:#ededff}
@keyframes flip{to{transform:rotateY(0)}}
@keyframes fadein{from{opacity:0}to{opacity:1}}
/* M-002: fila de acciones (Actualizar + Cerrar sesión) */
.action-line{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px}
.action-line button{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);border-radius:99px;padding:7px 16px;font-family:'DM Sans',sans-serif;font-size:.8rem;font-weight:600;color:#fff;cursor:pointer;backdrop-filter:blur(6px);white-space:nowrap}
.action-line button.logout{border-color:rgba(255,255,255,.55)}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.stat{background:#fff;border-radius:16px;padding:14px;box-shadow:var(--shadow)}
.stat b{font-size:1.5rem;font-family:'Poppins',sans-serif;font-weight:700;color:var(--azul)}
.stat small{display:block;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-top:2px}

.demo-banner{background:var(--lima);border:none;color:#000;font-size:.75rem;font-weight:600;padding:10px 12px;border-radius:12px;margin-bottom:16px}
.refresh-line{text-align:center;margin-top:16px}
.refresh-line button{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.4);border-radius:99px;padding:7px 16px;font-family:'DM Sans',sans-serif;font-size:.8rem;font-weight:600;color:#fff;cursor:pointer;backdrop-filter:blur(6px)}
.screen{display:none}
.screen.active{display:block;animation:fadein .25s}
.spinner{width:26px;height:26px;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:99px;margin:40px auto;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms !important;transition-duration:.01ms !important}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important}
}