:root {
    --azul: #0d47a1;
    --azul2: #1976d2;
    --amarillo: #ffcc00;
    --fondo: #eef3f9;
    --texto: #1d2636;
    --verde: #0a8a2a;
    --rojo: #c62828;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(25,118,210,0.12), transparent 30%),
        linear-gradient(135deg, #edf3fb, #f8fbff);
    color: var(--texto);
}

/* LOGIN */
.login-box {
    max-width: 430px;
    margin: 80px auto;
    background: white;
    padding: 38px;
    border-radius: 26px;
    box-shadow: 0 22px 50px rgba(13,71,161,0.18);
    border-top: 6px solid var(--azul);
}

.login-box h1 {
    color: var(--azul);
    text-align: center;
    font-size: 38px;
    margin: 0 0 8px;
    letter-spacing: 2px;
}

.login-box h2 {
    text-align: center;
    margin: 0 0 28px;
    font-size: 24px;
}

/* CONTENEDOR */
.container {
    max-width: 1180px;
    margin: 28px auto;
    padding: 20px;
}

/* CABECERA */
.top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--azul), var(--azul2));
    color: white;
    padding: 26px;
    border-radius: 24px;
    box-shadow: 0 16px 36px rgba(13,71,161,0.28);
}

.top h1 {
    margin: 0;
    font-size: 32px;
}

.top a {
    text-decoration: none;
    background: var(--amarillo);
    color: #1d2636;
    padding: 12px 18px;
    border-radius: 14px;
    font-weight: bold;
}

/* TARJETAS */
.card {
    background: rgba(255,255,255,0.96);
    padding: 28px;
    border-radius: 22px;
    margin-top: 24px;
    box-shadow: 0 12px 30px rgba(20,45,80,0.10);
    border: 1px solid rgba(13,71,161,0.08);
}

.card h2,
.card h3 {
    margin-top: 0;
    color: var(--azul);
    font-size: 24px;
}

/* FORMULARIOS */
label {
    display: block;
    margin-top: 14px;
    font-weight: bold;
}

input,
select,
textarea {
    width: 100%;
    padding: 14px;
    margin-top: 7px;
    border: 1px solid #c8d4e3;
    border-radius: 12px;
    font-size: 15px;
    background: #fbfdff;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--azul);
    box-shadow: 0 0 0 4px rgba(13,71,161,0.12);
}

/* BOTONES */
button,
.btn {
    display: inline-block;
    margin-top: 16px;
    background: linear-gradient(135deg, var(--azul), var(--azul2));
    color: white;
    padding: 13px 20px;
    border: 0;
    border-radius: 14px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 8px 18px rgba(13,71,161,0.22);
}

button:hover,
.btn:hover {
    transform: translateY(-2px);
}

/* BOTÓN VOLVER */
.btn-volver {
    display: block;
    text-align: center;
    margin-top: 18px;
    background: #e8f1ff;
    color: var(--azul);
    padding: 12px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: bold;
}

.btn-volver:hover {
    background: var(--amarillo);
    color: #1d2636;
}

/* TABLAS */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
    background: white;
    border-radius: 16px;
    overflow: hidden;
}

th {
    background: var(--azul);
    color: white;
    padding: 14px;
    text-align: left;
}

td {
    border-bottom: 1px solid #e1e6ef;
    padding: 13px;
}

tr:hover {
    background: #f3f7ff;
}

/* ESTADOS */
.ok,
td.ok {
    color: var(--verde);
    font-weight: bold;
    background: #e7f7ec;
    border-radius: 8px;
}

.pendiente,
td.pendiente {
    color: var(--rojo);
    font-weight: bold;
    background: #fdeaea;
    border-radius: 8px;
}

/* MENSAJES */
.error {
    background: #ffe0e0;
    color: #a00000;
    padding: 13px;
    border-radius: 12px;
    margin-bottom: 14px;
}

.success {
    background: #d9f8df;
    color: #0b6b1b;
    padding: 13px;
    border-radius: 12px;
    margin-top: 14px;
}

.mensaje {
    border-left: 6px solid var(--azul);
    background: #f3f7ff;
    padding: 16px;
    border-radius: 14px;
    margin-bottom: 16px;
}

/* RESPONSIVE */
@media (max-width: 700px) {
    .top {
        flex-direction: column;
        gap: 14px;
        text-align: center;
    }

    .top h1 {
        font-size: 24px;
    }

    .container {
        padding: 12px;
    }

    .card {
        padding: 20px;
    }

    table {
        font-size: 14px;
    }
}
.btn-danger {
    background: #c62828;
    color: white;
    padding: 10px 14px;
    border: 0;
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
}

.btn-danger:hover {
    background: #8e0000;
}
/* LOGO PRO */
.login-header {
    text-align: center;
    margin-bottom: 20px;
}

.logo-box {
    width: 110px;
    height: 110px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;

    box-shadow:
        0 10px 30px rgba(0,0,0,0.15),
        0 0 0 6px rgba(13,71,161,0.08);

    transition: 0.3s;
}

.logo-box img {
    width: 80%;
    height: 80%;
    object-fit: contain;
}

/* EFECTO HOVER (PRO) */
.logo-box:hover {
    transform: scale(1.05);
    box-shadow:
        0 14px 35px rgba(0,0,0,0.2),
        0 0 0 6px rgba(13,71,161,0.15);
}

/* TITULO MÁS PRO */
.login-box h1 {
    font-size: 36px;
    letter-spacing: 2px;
}