:root {
    --institucional-navy: #2c245b;
    --institucional-navy-deep: #171443;
    --institucional-blue: #087fc3;
    --institucional-turquoise: #4bb8a8;
    --institucional-purple: #903b8d;
    --institucional-red: #cd142b;
    --institucional-surface: #f5f7fb;
    --institucional-border: #e3e7ef;
    --institucional-text: #242342;
    --institucional-muted: #68728a;
    --arcoiris-parral: linear-gradient(90deg, #4bb8a8 0 22%, #087fc3 22% 44%, #2c245b 44% 64%, #903b8d 64% 82%, #cd142b 82% 100%);
}

body {
    color: var(--institucional-text);
    background: var(--institucional-surface);
}

body::before {
    background:
        radial-gradient(circle at 8% 8%, rgba(75, 184, 168, .09), transparent 30%),
        radial-gradient(circle at 92% 15%, rgba(144, 59, 141, .07), transparent 28%),
        linear-gradient(180deg, #f8f9fc 0%, #f1f4f9 100%);
}

body::after { display: none; }
.top-rainbow { height: 6px; }
.wrapper { margin-top: 6px; }

.navbar {
    top: 6px;
    margin: 0;
    padding: 14px clamp(18px, 3vw, 46px);
    border: 0;
    border-bottom: 1px solid var(--institucional-border);
    border-radius: 0;
    background: rgba(255,255,255,.98);
    box-shadow: 0 8px 24px rgba(23, 20, 67, .07);
    backdrop-filter: blur(12px);
}

.navbar:hover { border-color: var(--institucional-border); box-shadow: 0 8px 24px rgba(23,20,67,.07); }
.navbar-logo { height: 54px; padding: 0; border: 0; border-radius: 0; box-shadow: none; background: transparent; }
.navbar-brand:hover .navbar-logo { transform: none; }
.navbar-title { color: var(--institucional-navy); font-size: 19px; letter-spacing: .02em; }
.navbar-subtitle { color: var(--institucional-turquoise); font-size: 11px; letter-spacing: .03em; }
.nav-links { gap: 4px; }
.nav-link { color: #555d72; border-radius: 10px; padding: 10px 13px; }
.nav-link:hover { color: var(--institucional-navy); background: #f0f2f8; }
.nav-link.active {
    color: #fff;
    border: 0;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--institucional-navy), #484094);
    box-shadow: 0 6px 16px rgba(44,36,91,.18);
}
.user-badge { border-color: var(--institucional-border); background: #f8f9fc; }
.user-badge-name { color: var(--institucional-navy); }
.user-badge-rol { color: var(--institucional-turquoise); }
.btn-logout { border-radius: 10px; background: #fff1f2; color: #b91c1c; border: 1px solid #fecdd3; box-shadow: none; }
.btn-logout:hover { background: #ffe4e6; box-shadow: none; }

.container { max-width: 1280px; margin: 32px auto; padding: 0 clamp(16px, 3vw, 28px); }
.card-premium {
    border: 1px solid var(--institucional-border);
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 10px 30px rgba(23,20,67,.06);
    backdrop-filter: none;
}
.card-premium::before { height: 5px; background: var(--arcoiris-parral); }
.card-premium:hover { transform: none; border-color: #d8dce7; box-shadow: 0 14px 34px rgba(23,20,67,.08); }
.card-premium-header { padding: 22px 26px; background: #fff; border-bottom-color: var(--institucional-border); }
.card-premium-title { color: var(--institucional-navy); text-transform: none; letter-spacing: -.01em; }
.card-premium-title i { color: var(--institucional-turquoise); }
.card-premium-body { padding: 26px; }

.form-label { color: #4b5369; letter-spacing: .05em; }
.form-control { border: 1px solid #ccd3e0; background: #fff; border-radius: 11px; min-height: 45px; }
.form-control:focus { border-color: var(--institucional-blue); box-shadow: 0 0 0 4px rgba(8,127,195,.12); }
.btn-premium, .btn-dorado {
    border-radius: 11px;
    background: linear-gradient(135deg, var(--institucional-navy), #4a4196);
    box-shadow: 0 7px 18px rgba(44,36,91,.2);
}
.btn-premium:hover, .btn-dorado:hover { background: linear-gradient(135deg, #211b4c, var(--institucional-purple)); box-shadow: 0 9px 22px rgba(44,36,91,.25); }
.btn-secondary-premium { color: var(--institucional-navy); border-color: #b9bdd0; background: #fff; box-shadow: none; }
.btn-secondary-premium:hover { color: var(--institucional-navy); border-color: var(--institucional-navy); background: #f2f1f8; }

.table-responsive { border-radius: 13px; border-color: var(--institucional-border); box-shadow: none; background: #fff; }
.table-premium th { background: #f2f4f8; color: var(--institucional-navy); border-bottom: 2px solid var(--institucional-turquoise); }
.table-premium td { border-bottom-color: #edf0f5; }
.table-premium tr:hover td { background: #f8fafc; }
.alert-premium { box-shadow: none; border-color: var(--institucional-border); }

.wrapper > footer {
    background: var(--institucional-navy-deep) !important;
    border-top: 5px solid transparent !important;
    border-image: var(--arcoiris-parral) 1 !important;
}
.wrapper > footer span:first-child { color: #fff !important; }

/* Acceso: composición tomada del portal institucional PROYECTO_FINAL_HOSTINGER. */
.login-wrapper {
    padding: 16px;
    background-color: #f0f1f5 !important;
    background:
        linear-gradient(135deg, transparent 40%, rgba(107,63,160,.03) 40%, rgba(107,63,160,.03) 60%, transparent 60%),
        linear-gradient(45deg, transparent 30%, rgba(26,46,74,.03) 30%, rgba(26,46,74,.03) 70%, transparent 70%),
        linear-gradient(90deg, transparent 20%, rgba(107,63,160,.02) 20%, rgba(107,63,160,.02) 80%, transparent 80%),
        linear-gradient(#f0f1f5, #f0f1f5) !important;
}
.login-wrapper::before {
    inset: 0 !important;
    background:
        repeating-linear-gradient(-30deg, transparent, transparent 80px, rgba(26,46,74,.025) 80px, rgba(26,46,74,.025) 82px),
        repeating-linear-gradient(60deg, transparent, transparent 120px, rgba(107,63,160,.02) 120px, rgba(107,63,160,.02) 122px) !important;
}
.login-container { max-width: 420px !important; }
.login-card {
    border: 0 !important;
    border-radius: 16px !important;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 10px 40px -5px rgba(26,46,74,.15), 0 0 0 1px rgba(26,46,74,.05) !important;
}
.login-card::before {
    height: 5px !important;
    background: linear-gradient(90deg, #00a79d 0%, #2c4a7c 20%, #6b3fa0 40%, #e84393 55%, #e74c3c 70%, #f39c12 85%, #2ecc71 100%) !important;
}
.login-card .card-body { padding: 32px 32px 40px !important; }
.logo-wrapper { margin-bottom: 24px !important; }
.logo-wrapper img { height: 80px !important; }
.login-title { color: #1a2e4a !important; font-size: 22px !important; text-transform: none !important; letter-spacing: -.5px !important; }
.login-subtitle { color: #8a94a6 !important; margin-bottom: 28px !important; }
.form-label-login { color: #6b7280 !important; font-weight: 600 !important; }
.form-input-login { min-height: auto; border: 2px solid #e5e7eb !important; border-radius: 10px !important; background: #fafbfc !important; }
.form-input-login:focus { border-color: #6b3fa0 !important; background: #fff !important; box-shadow: 0 0 0 3px rgba(107,63,160,.1) !important; }
.btn-login { min-height: auto; border-radius: 10px !important; background: linear-gradient(135deg, #1a2e4a, #2c4a7c) !important; box-shadow: none; }
.btn-login:hover { background: linear-gradient(135deg, #2c4a7c, #6b3fa0) !important; box-shadow: 0 6px 20px rgba(26,46,74,.3); }
.footer-text { color: #a0aec0 !important; margin-top: 24px !important; }

@media (max-width: 1050px) {
    .navbar { align-items: flex-start; flex-wrap: wrap; gap: 14px; }
    .nav-links { order: 3; width: 100%; overflow-x: auto; padding-bottom: 4px; }
    .nav-link { white-space: nowrap; }
}
@media (max-width: 620px) {
    .navbar { padding: 12px 16px; }
    .navbar-title { font-size: 16px; }
    .navbar-subtitle, .user-badge { display: none; }
    .navbar-logo { height: 44px; }
    .card-premium-header, .card-premium-body { padding: 20px 18px; }
    .login-card .card-body { padding: 32px 24px 28px !important; }
}