/* =====================================================================
   BITÁCORA DE EVIDENCIAS · Telemática y Controles
   Tema profesional / tecnológico · responsivo (mobile-first)
   ===================================================================== */
:root{
  --azul:#2BABE2;
  --azul-osc:#1B8FC4;
  --verde:#5BBA47;
  --verde-osc:#48A036;
  --ink:#0E1B26;
  --ink-2:#33485a;
  --muted:#7c8b98;
  --linea:#e2e9ef;
  --panel:#ffffff;
  --fondo:#eef3f7;
  --grad:linear-gradient(120deg,var(--azul) 0%,var(--verde) 100%);
  --grad-osc:linear-gradient(120deg,var(--azul-osc) 0%,var(--verde-osc) 100%);
  --sombra:0 10px 30px -12px rgba(14,27,38,.22);
  --sombra-sm:0 4px 14px -6px rgba(14,27,38,.18);
  --radio:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:'Segoe UI',Roboto,system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  color:var(--ink);
  line-height:1.55;
  min-height:100vh;
  background:
    radial-gradient(1200px 500px at 100% -10%,rgba(43,171,226,.10),transparent 60%),
    radial-gradient(1000px 500px at -10% 0%,rgba(91,186,71,.10),transparent 55%),
    var(--fondo);
  padding:22px 14px 70px;
}
.contenedor{max-width:760px;margin:0 auto}

/* ---------- Barra superior ---------- */
.topbar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px}
.topbar .marca{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink);font-size:14px}
.topbar .marca .pt{width:10px;height:10px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 4px rgba(43,171,226,.15)}

/* ---------- Hero / encabezado ---------- */
.hero{
  position:relative;overflow:hidden;border-radius:var(--radio);
  background:var(--panel);box-shadow:var(--sombra);margin-bottom:20px;
}
.hero::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:var(--grad)}
.hero .hero-bg{
  position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:var(--grad);opacity:.07;pointer-events:none;
}
.hero-cuerpo{padding:30px 30px 26px;position:relative}
.hero img{height:50px;margin-bottom:16px}
.hero h1{font-size:25px;font-weight:800;letter-spacing:.4px;line-height:1.15}
.hero .sub{color:var(--muted);margin-top:8px;font-size:13.5px;max-width:90%}
.hero .badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.badge{font-size:11.5px;font-weight:700;letter-spacing:.3px;color:var(--azul-osc);
  background:rgba(43,171,226,.10);border:1px solid rgba(43,171,226,.22);
  padding:5px 11px;border-radius:30px;display:inline-flex;align-items:center;gap:6px}
.badge.v{color:var(--verde-osc);background:rgba(91,186,71,.10);border-color:rgba(91,186,71,.25)}

/* ---------- Tarjetas de pregunta ---------- */
.tarjeta{
  position:relative;background:var(--panel);border-radius:var(--radio);
  padding:22px 24px;margin-bottom:15px;box-shadow:var(--sombra-sm);
  border:1px solid var(--linea);transition:box-shadow .2s,transform .2s;
}
.tarjeta:focus-within{box-shadow:var(--sombra);transform:translateY(-1px)}
.tarjeta::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;
  border-radius:0 4px 4px 0;background:var(--grad)}
.tarjeta .num{display:inline-flex;align-items:center;justify-content:center;
  width:24px;height:24px;border-radius:7px;background:var(--grad);color:#fff;
  font-size:12px;font-weight:800;margin-right:9px;vertical-align:-3px;
  box-shadow:0 3px 8px -2px rgba(43,171,226,.6)}
label.pregunta{display:block;font-size:15.5px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.req{color:#e0454f;margin-left:3px}
.ayuda{display:block;font-size:12.5px;color:var(--muted);font-weight:500;margin-top:3px}

/* ---------- Campos ---------- */
input[type=text],input[type=date],textarea,select{
  width:100%;border:1.5px solid var(--linea);border-radius:12px;
  font-size:15px;padding:12px 14px;background:#fbfdfe;color:var(--ink);
  font-family:inherit;transition:border-color .15s,box-shadow .15s,background .15s;
}
input[type=text]:focus,input[type=date]:focus,textarea:focus,select:focus{
  outline:none;border-color:var(--azul);background:#fff;
  box-shadow:0 0 0 4px rgba(43,171,226,.13);
}
::placeholder{color:#aab6c0}
textarea{resize:vertical;min-height:110px}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237c8b98' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}

/* ---------- Opciones (radios bonitos) ---------- */
.opciones{display:grid;gap:10px}
.opciones.dos{grid-template-columns:1fr 1fr}
.opcion{
  display:flex;align-items:center;gap:12px;cursor:pointer;font-size:15px;font-weight:600;
  border:1.5px solid var(--linea);border-radius:12px;padding:13px 15px;background:#fbfdfe;
  transition:.15s;user-select:none;
}
.opcion:hover{border-color:var(--azul);background:#fff}
.opcion input{appearance:none;width:20px;height:20px;border:2px solid #c4d0da;border-radius:50%;
  margin:0;flex:0 0 auto;position:relative;transition:.15s;cursor:pointer}
.opcion input:checked{border-color:var(--azul)}
.opcion input:checked::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--grad)}
.opcion:has(input:checked){border-color:var(--azul);background:rgba(43,171,226,.07);box-shadow:0 0 0 3px rgba(43,171,226,.10)}

/* ---------- Subida de evidencia ---------- */
.upload-botones{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.up-btn{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border:2px dashed #c2d2dd;border-radius:14px;padding:22px 10px;cursor:pointer;
  background:#fbfdfe;color:var(--ink-2);font-weight:700;font-size:14px;transition:.15s;text-align:center;
}
.up-btn:hover{border-color:var(--azul);background:#fff;color:var(--azul-osc);transform:translateY(-1px)}
.up-btn .ic{font-size:26px;line-height:1}
.up-btn small{font-weight:500;color:var(--muted);font-size:11.5px}
.up-btn.cam{border-style:solid;border-color:transparent;background:var(--grad);color:#fff;box-shadow:0 8px 18px -8px rgba(43,171,226,.7)}
.up-btn.cam:hover{filter:brightness(1.05);color:#fff}
.up-btn.cam small{color:rgba(255,255,255,.85)}
input[type=file]{display:none}

.contador-arch{font-size:12.5px;color:var(--muted);font-weight:600;margin-bottom:10px;display:none}
.contador-arch.activo{display:block}
.previews{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:10px;margin-top:4px}
.thumb{position:relative;aspect-ratio:1;border-radius:12px;overflow:hidden;border:1px solid var(--linea);
  background:#f1f5f8;box-shadow:var(--sombra-sm)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.thumb .doc{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;
  gap:4px;color:var(--ink-2);font-size:11px;font-weight:700;padding:4px;text-align:center}
.thumb .quitar{position:absolute;top:4px;right:4px;width:24px;height:24px;border:none;border-radius:50%;
  background:rgba(14,27,38,.72);color:#fff;font-size:14px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(2px)}
.thumb .quitar:hover{background:#e0454f}

/* ---------- Corrección de ortografía ---------- */
.correccion-barra{display:flex;align-items:center;gap:12px;margin-top:12px;flex-wrap:wrap}
.btn.chico{padding:9px 16px;font-size:13px;box-shadow:none}
.correccion-msg{font-size:13px;font-weight:600;color:var(--muted)}
.correccion-msg.ok{color:var(--verde-osc)}
.correccion-msg.warn{color:#c2740f}

/* ---------- Botones de acción ---------- */
.acciones{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:6px}
.btn{
  border:none;border-radius:30px;padding:14px 28px;font-size:15px;font-weight:800;cursor:pointer;
  font-family:inherit;display:inline-flex;align-items:center;gap:8px;transition:.18s;text-decoration:none;
  background:var(--grad);color:#fff;box-shadow:0 10px 22px -10px rgba(43,171,226,.8);letter-spacing:.2px;
}
.btn:hover{filter:brightness(1.05);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn.gris{background:#fff;color:var(--ink-2);border:1.5px solid var(--linea);box-shadow:none}
.btn.gris:hover{border-color:var(--muted);filter:none}
.btn.azul{background:var(--azul)}
.btn.bloque{width:100%;justify-content:center;padding:16px}

/* ---------- Mensajes ---------- */
.alerta{padding:14px 18px;border-radius:14px;margin-bottom:16px;font-size:14px;font-weight:600;
  display:flex;align-items:center;gap:10px}
.alerta.error{background:#fdecec;color:#c23440;border:1px solid #f6c9cc}
.alerta.ok{background:#e7f6ea;color:#2c8a3f;border:1px solid #bce6c5}

/* ---------- Historial ---------- */
.panel-tabla{background:var(--panel);border-radius:var(--radio);box-shadow:var(--sombra-sm);
  border:1px solid var(--linea);overflow:hidden}
table.historial{width:100%;border-collapse:collapse}
table.historial th{background:var(--ink);color:#fff;text-align:left;padding:13px 14px;font-size:12px;
  font-weight:700;letter-spacing:.4px;text-transform:uppercase}
table.historial td{padding:13px 14px;border-bottom:1px solid var(--linea);font-size:14px;vertical-align:middle}
table.historial tr:last-child td{border-bottom:none}
table.historial tbody tr:hover td{background:#f5fafd}
.chip{display:inline-block;padding:4px 12px;border-radius:30px;font-size:11.5px;font-weight:800;color:#fff;letter-spacing:.3px}
.chip.con{background:var(--verde)}
.chip.sin{background:var(--muted)}
.mini-btn{display:inline-flex;align-items:center;gap:5px;padding:7px 13px;border-radius:30px;font-size:12px;
  font-weight:800;text-decoration:none;color:#fff;background:var(--grad);margin:2px 4px 2px 0;
  box-shadow:0 5px 12px -6px rgba(43,171,226,.7)}
.mini-btn.gris{background:#fff;color:var(--ink-2);border:1.5px solid var(--linea);box-shadow:none}
.filtros{display:grid;grid-template-columns:repeat(4,1fr) auto auto;gap:10px;margin-bottom:16px;align-items:end}
.filtros .campo{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted);font-weight:700}
.vacio{text-align:center;color:var(--muted);padding:46px 20px;font-weight:600}

/* ---------- Responsivo ---------- */
@media (max-width:600px){
  body{padding:14px 10px 60px}
  .hero-cuerpo{padding:24px 20px 22px}
  .hero h1{font-size:21px}
  .hero .sub{max-width:100%}
  .tarjeta{padding:18px 16px}
  .opciones.dos{grid-template-columns:1fr}
  .upload-botones{grid-template-columns:1fr}
  .acciones{flex-direction:column-reverse;align-items:stretch}
  .btn{justify-content:center}
  .filtros{grid-template-columns:1fr 1fr}
  .panel-tabla{overflow-x:auto}
  table.historial{min-width:640px}
}