/* =====================================================
   L&S DIGITAL CERTIFICATE
   Validación de Certificados Laborales
===================================================== */

:root{
    --dark:#020617;
    --card:#0f172a;
    --card2:#111827;
    --line:#334155;
    --orange:#f58220;
    --orange2:#fb923c;
    --white:#f8fafc;
    --gray:#94a3b8;
    --success:#22c55e;
    --danger:#ef4444;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    min-height:100vh;
    padding:25px;
    font-family:"Segoe UI", Arial, sans-serif;
    color:var(--white);
    background:radial-gradient(circle at top, #374151, #020617 45%, #000);
    -webkit-font-smoothing:antialiased;
}

/* =========================
   CONTENEDOR PRINCIPAL
========================= */

.contenedor{
    width:100%;
    max-width:1000px;
    margin:auto;
    background:linear-gradient(180deg, #111827, #020617);
    border:1px solid #475569;
    border-radius:25px;
    overflow:hidden;
    box-shadow:0 30px 80px rgba(0,0,0,.8);
}

/* =========================
        HEADER
========================= */

header{
    text-align:center;
    padding:45px 25px;
    background:linear-gradient(135deg, #020617, #1f2937);
    border-bottom:1px solid var(--line);
}

.logo{
    width:130px;
    max-width:40%;
    margin-bottom:20px;
    height:auto;
}

header h1{
    font-size:clamp(20px, 3.5vw, 32px);
    letter-spacing:1.5px;
    font-weight:900;
    line-height:1.3;
}

header h2{
    margin-top:12px;
    color:var(--orange);
    font-size:clamp(14px, 2vw, 18px);
    font-weight:600;
    letter-spacing:1px;
}

/* =========================
      BUSQUEDA
========================= */

.busqueda{
    max-width:560px;
    margin:45px auto;
    padding:40px;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    border-radius:20px;
    animation:aparecer .5s ease;
}

.busqueda h3{
    text-align:center;
    color:var(--orange);
    font-size:clamp(20px, 3vw, 26px);
    margin-bottom:12px;
}

.busqueda p{
    text-align:center;
    color:#cbd5e1;
    margin-bottom:25px;
    font-size:14px;
    line-height:1.5;
}

label{
    display:block;
    margin-top:20px;
    margin-bottom:8px;
    color:#e2e8f0;
    font-weight:600;
    font-size:14px;
}

input{
    width:100%;
    padding:15px;
    border-radius:10px;
    border:1px solid #475569;
    background:#020617;
    color:white;
    font-size:16px;
    outline:none;
    transition:border-color .2s, box-shadow .2s;
}

input:focus{
    border-color:var(--orange);
    box-shadow:0 0 0 3px rgba(245,130,32,.2);
}

button{
    width:100%;
    margin-top:30px;
    padding:16px;
    border:0;
    border-radius:30px;
    background:linear-gradient(90deg, var(--orange), var(--orange2));
    color:white;
    font-weight:800;
    cursor:pointer;
    letter-spacing:1px;
    font-size:15px;
    transition:transform .25s, box-shadow .25s, opacity .25s;
}

button:hover:not(:disabled){
    transform:translateY(-3px);
    box-shadow:0 10px 30px rgba(245,130,32,.4);
}

button:active:not(:disabled){
    transform:translateY(-1px);
}

button:disabled{
    opacity:.6;
    cursor:not-allowed;
}

/* =========================
      MENSAJES
========================= */

#mensaje{
    margin-top:20px;
    text-align:center;
    font-weight:600;
    font-size:14px;
    padding:12px;
    border-radius:10px;
    display:none;
    animation:aparecer .3s ease;
}

#mensaje.error{
    display:block;
    color:var(--danger);
    background:rgba(239,68,68,.1);
    border:1px solid rgba(239,68,68,.3);
}

#mensaje.exito{
    display:block;
    color:var(--success);
    background:rgba(34,197,94,.1);
    border:1px solid rgba(34,197,94,.3);
}

#mensaje.info{
    display:block;
    color:#93c5fd;
    background:rgba(59,130,246,.1);
    border:1px solid rgba(59,130,246,.3);
}

/* =========================
      CERTIFICADO
========================= */

.certificado{
    margin:40px;
    border:2px solid #475569;
    border-radius:20px;
    overflow:hidden;
    animation:aparecer .5s ease;
}

.titulo-certificado{
    text-align:center;
    padding:35px 20px;
    background:linear-gradient(135deg, #020617, #1e293b);
    border-bottom:1px solid var(--line);
}

.titulo-certificado h1{
    font-size:clamp(28px, 6vw, 45px);
    letter-spacing:5px;
    color:var(--success);
    font-weight:900;
}

.titulo-certificado h2{
    margin-top:8px;
    color:var(--orange);
    font-size:clamp(14px, 2.5vw, 18px);
    letter-spacing:2px;
}

.contenido{
    padding:45px;
    line-height:1.8;
    color:#e2e8f0;
}

.contenido > p{
    text-align:center;
    font-size:15px;
    color:#cbd5e1;
    max-width:600px;
    margin:0 auto 10px;
}

/* DATOS TRABAJADOR */

.trabajador,
.cargo{
    margin:30px 0;
    padding:28px 25px;
    text-align:center;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    border-radius:15px;
    animation:aparecer .6s ease;
}

.cargo{
    background:#020617;
}

.etiqueta{
    display:block;
    color:var(--orange);
    font-size:12px;
    font-weight:700;
    letter-spacing:2px;
    text-transform:uppercase;
    margin-bottom:10px;
}

.trabajador h2{
    color:var(--white);
    font-size:clamp(18px, 3.5vw, 26px);
    letter-spacing:1px;
}

.cargo h3{
    color:#93c5fd;
    font-size:clamp(15px, 2.5vw, 20px);
    font-weight:600;
}

/* GRID DE DATOS */

.datos{
    display:grid;
    grid-template-columns:repeat(2, 1fr);
    gap:18px;
    margin:30px 0;
}

.datos div{
    text-align:center;
    padding:22px 15px;
    background:#020617;
    border:1px solid var(--line);
    border-radius:15px;
    transition:border-color .25s, transform .25s;
}

.datos div:hover{
    border-color:var(--orange);
    transform:translateY(-2px);
}

.datos span{
    color:var(--orange);
    font-weight:700;
    display:block;
    margin-bottom:8px;
    font-size:12px;
    letter-spacing:1.5px;
    text-transform:uppercase;
}

.datos p{
    font-weight:600;
    font-size:15px;
    color:var(--white);
    word-break:break-word;
}

/* ESTADO */

.estado{
    width:max-content;
    max-width:100%;
    margin:40px auto 20px;
    padding:15px 40px;
    border-radius:50px;
    border:2px solid var(--success);
    color:var(--success);
    font-weight:900;
    letter-spacing:2px;
    font-size:14px;
    background:rgba(34,197,94,.08);
    animation:pulso 2.5s ease-in-out infinite;
}

/* FIRMA */

.firma{
    width:350px;
    max-width:90%;
    margin:50px auto 10px;
    padding-top:20px;
    text-align:center;
    border-top:1px solid #64748b;
}

.firma strong{
    color:var(--orange);
    font-size:15px;
    letter-spacing:1px;
    display:block;
}

.firma p{
    color:var(--gray);
    font-size:13px;
    margin-top:5px;
}

/* =========================
   NO ENCONTRADO
========================= */

.no-encontrado{
    margin:40px;
    padding:50px 30px;
    text-align:center;
    background:rgba(239,68,68,.06);
    border:2px solid rgba(239,68,68,.4);
    border-radius:20px;
    animation:aparecer .4s ease;
}

.icono-error{
    width:70px;
    height:70px;
    margin:0 auto 20px;
    border-radius:50%;
    border:3px solid var(--danger);
    color:var(--danger);
    font-size:36px;
    font-weight:bold;
    display:flex;
    align-items:center;
    justify-content:center;
}

.no-encontrado h2{
    color:var(--danger);
    font-size:22px;
    margin-bottom:12px;
    letter-spacing:1px;
}

.no-encontrado p{
    color:#cbd5e1;
    font-size:14px;
    line-height:1.6;
    max-width:520px;
    margin:0 auto 25px;
}

.no-encontrado button{
    max-width:280px;
    margin:0 auto;
}

/* =========================
      FOOTER
========================= */

footer{
    text-align:center;
    padding:30px 20px;
    background:#020617;
    color:var(--gray);
    border-top:1px solid var(--line);
    font-size:13px;
    line-height:1.8;
    letter-spacing:1px;
}

/* =========================
      ANIMACIONES
========================= */

@keyframes aparecer{
    from{ opacity:0; transform:translateY(12px); }
    to{ opacity:1; transform:translateY(0); }
}

@keyframes pulso{
    0%,100%{ box-shadow:0 0 0 0 rgba(34,197,94,.4); }
    50%{ box-shadow:0 0 0 12px rgba(34,197,94,0); }
}

/* =========================
      RESPONSIVE
========================= */

@media(max-width:700px){

    body{ padding:10px; }

    .contenedor{ border-radius:15px; }

    header{ padding:30px 15px; }

    .logo{ width:100px; }

    .busqueda{
        margin:20px;
        padding:25px;
    }

    .certificado,
    .no-encontrado{
        margin:15px;
    }

    .contenido{ padding:25px; }

    .titulo-certificado h1{ font-size:32px; letter-spacing:3px; }

    .datos{ grid-template-columns:1fr; }

    .trabajador h2{ font-size:20px; }

    .estado{
        font-size:12px;
        padding:12px 20px;
    }
}