/* ============================================================
   EVA JANICK — estilos.css
   Paleta: petróleo #0F4C5C · turquesa #1D7A8C · ámbar #E8A13D
           tinta #24313A · fondo #F4F7F8
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --petroleo: #0F4C5C;
    --turquesa: #1D7A8C;
    --ambar:    #E8A13D;
    --tinta:    #24313A;
    --fondo:    #F4F7F8;
    --blanco:   #FFFFFF;
    --borde:    #D8E2E6;
    --ok:       #2E7D52;
    --error:    #B3402A;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: var(--fondo);
    color: var(--tinta);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---------- Barra superior ---------- */
.barra { background: var(--petroleo); }
.barra-inner {
    max-width: 1080px; margin: 0 auto; padding: 12px 20px;
    display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 10px;
}
.marca {
    color: var(--blanco); text-decoration: none;
    font-size: 1.35rem; font-weight: 700; letter-spacing: 2px;
}
.marca span { color: var(--ambar); }
.nav { display: flex; flex-wrap: wrap; gap: 4px; }
.nav a {
    color: #CFE3E9; text-decoration: none; padding: 6px 12px;
    border-radius: 6px; font-size: .92rem;
}
.nav a:hover { background: var(--turquesa); color: var(--blanco); }
.nav-admin { background: var(--ambar); color: var(--petroleo) !important; font-weight: 600; }
.nav-salir { border: 1px solid #CFE3E9; }

/* ---------- Contenido ---------- */
.contenido { flex: 1; max-width: 1080px; width: 100%; margin: 0 auto; padding: 28px 20px; }
h1 { color: var(--petroleo); margin-bottom: 6px; font-size: 1.6rem; }
h2 { color: var(--petroleo); margin: 18px 0 8px; font-size: 1.2rem; }
.sub { color: #5B6B74; margin-bottom: 20px; }

/* ---------- Tarjetas y tablas ---------- */
.tarjeta {
    background: var(--blanco); border: 1px solid var(--borde);
    border-radius: 10px; padding: 22px; margin-bottom: 20px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }

table { width: 100%; border-collapse: collapse; background: var(--blanco); }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--borde); text-align: left; font-size: .93rem; }
th { background: var(--petroleo); color: var(--blanco); font-weight: 600; }
tr:hover td { background: #EDF4F6; }

/* ---------- Formularios ---------- */
label { display: block; font-weight: 600; margin: 12px 0 4px; font-size: .92rem; }
input[type=text], input[type=email], input[type=password], input[type=number],
textarea, select {
    width: 100%; padding: 10px 12px; border: 1px solid var(--borde);
    border-radius: 8px; font: inherit; background: var(--blanco);
}
textarea { min-height: 110px; resize: vertical; }
input:focus, textarea:focus, select:focus {
    outline: 2px solid var(--turquesa); outline-offset: 1px;
}

.btn {
    display: inline-block; margin-top: 16px; padding: 11px 22px;
    background: var(--petroleo); color: var(--blanco); border: none;
    border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: var(--turquesa); }
.btn-ambar { background: var(--ambar); color: var(--petroleo); }
.btn-ambar:hover { background: #d18f2d; }
.btn-peq { padding: 6px 12px; font-size: .85rem; margin-top: 0; }

/* ---------- Alertas ---------- */
.alerta { padding: 14px 16px; border-radius: 8px; margin-bottom: 18px; font-weight: 500; }
.alerta-error { background: #FBEAE5; color: var(--error); border: 1px solid #E8BCB0; }
.alerta-ok    { background: #E7F3EC; color: var(--ok);    border: 1px solid #BCDCC9; }
.alerta-info  { background: #E9F2F5; color: var(--petroleo); border: 1px solid var(--borde); }

/* ---------- Barra de progreso ---------- */
.progreso { background: #E2EAED; border-radius: 999px; height: 18px; overflow: hidden; }
.progreso > div {
    height: 100%; background: linear-gradient(90deg, var(--turquesa), var(--petroleo));
    color: var(--blanco); font-size: .72rem; text-align: right;
    padding-right: 8px; line-height: 18px; min-width: 24px;
}

/* ---------- Etiquetas de estado ---------- */
.chip { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.chip-ok    { background: #E7F3EC; color: var(--ok); }
.chip-pend  { background: #FDF3E3; color: #9A6A14; }
.chip-error { background: #FBEAE5; color: var(--error); }

/* ---------- Login / Registro ---------- */
.caja-acceso { max-width: 460px; margin: 40px auto; }
.caja-acceso .marca-grande {
    text-align: center; color: var(--petroleo); font-size: 1.9rem;
    font-weight: 700; letter-spacing: 3px; margin-bottom: 4px;
}
.caja-acceso .marca-grande span { color: var(--ambar); }
.cupos { text-align: center; font-size: .9rem; color: #5B6B74; margin-top: 10px; }

/* ---------- Foro ---------- */
.tema-item { border-left: 4px solid var(--turquesa); }
.respuesta { border-left: 3px solid var(--borde); padding-left: 14px; margin: 14px 0; }
.meta { font-size: .8rem; color: #7A8A93; }

/* ---------- Pie ---------- */
.pie {
    background: var(--tinta); color: #B9C6CC; text-align: center;
    padding: 16px; font-size: .82rem;
}

@media (max-width: 640px) {
    .barra-inner { flex-direction: column; }
    .contenido { padding: 18px 14px; }
    th, td { font-size: .85rem; padding: 8px; }
}

/* ---------- Impresión (certificado) ---------- */
@media print {
    .barra, .pie, .no-imprimir { display: none !important; }
    body { background: var(--blanco); }
    .contenido { max-width: none; padding: 0; }
}