/* =============================================
   VALIDAR TITULO / CERTIFICADO
   ============================================= */
.validar-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    border-bottom: 2px solid #e2e8f0;
}
.validar-tabs input { display: none; }
.validar-tab {
    padding: 14px 32px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: .5px;
    font-size: .9rem;
}
.validar-tab:hover { color: var(--primary); }
.validar-tabs input:checked + .validar-tab {
    color: var(--primary);
    border-bottom-color: var(--primary);
}
.validar-panel {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 28px;
    margin-bottom: 32px;
}
.validar-nota {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
    padding: 12px 16px;
    border-radius: 10px;
    margin-bottom: 24px;
    font-size: .95rem;
}
.validar-form {
    display: grid;
    gap: 16px;
    max-width: 560px;
}
.validar-form .form-group { margin: 0; }
.validar-form .form-group label {
    display: block;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
    font-size: .95rem;
}
.validar-form .form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    background: #fff;
    transition: var(--transition);
}
.validar-form .form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13,94,244,.12);
}
.btn-block { width: 100%; display: block; text-align: center; }
.validar-resultados { margin-top: 0; }
.validar-resultados-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: #0f172a;
    margin-bottom: 18px;
}
.validar-resultados-title i { color: #22c55e; }

.validar-card {
    position: relative;
    background: #fff;
    border: 1px solid #e6ecf5;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 18px 45px rgba(15,23,42,.10), 0 2px 8px rgba(15,23,42,.04);
    margin-bottom: 22px;
    animation: validarCardIn .5s ease both;
}
.validar-card-ribbon {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 11px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, #6c5ce7 100%);
    color: #fff;
    font-weight: 800;
    font-size: .76rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.validar-card-top {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 24px 24px 10px;
}
.validar-seal {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
    color: #fff;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    box-shadow: 0 8px 20px rgba(34,197,94,.35);
    position: relative;
}
.validar-seal::after {
    content: '';
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px solid rgba(34,197,94,.35);
    animation: validarPulse 2s infinite;
}
.validar-card-title { min-width: 0; }
.validar-card-title h4 {
    font-size: 1.35rem;
    font-weight: 800;
    color: #0f172a;
    margin: 8px 0 4px;
    line-height: 1.25;
}
.validar-ok {
    color: #15803d;
    font-weight: 700;
    font-size: .85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.validar-ok i { color: #22c55e; }
.badge-validar {
    display: inline-block;
    background: var(--primary-light, #e8f0fe);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 999px;
    font-weight: 800;
    font-size: .72rem;
    letter-spacing: .5px;
}
.badge-titulo { background: linear-gradient(135deg, var(--primary), #6c5ce7); color: #fff; }
.badge-certificado { background: linear-gradient(135deg, #0ea5e9, #2563eb); color: #fff; }
.validar-item-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    padding: 16px 24px 4px;
}
.validar-field {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    align-items: center;
    gap: 2px 12px;
    background: #f8fafc;
    border: 1px solid #eef2f7;
    border-radius: 14px;
    padding: 12px 14px;
}
.validar-field-icon {
    grid-row: 1 / span 2;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    background: var(--primary-light, #e8f0fe);
    color: var(--primary);
    font-size: 1rem;
}
.validar-field-label {
    font-size: .68rem;
    text-transform: uppercase;
    letter-spacing: .6px;
    color: #94a3b8;
    font-weight: 700;
}
.validar-field-value {
    font-size: .95rem;
    color: #1e293b;
    font-weight: 700;
    word-break: break-word;
}
.validar-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    padding: 18px 24px 22px;
    margin-top: 14px;
    border-top: 1px dashed #e2e8f0;
}
.validar-foot-note {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #64748b;
    font-size: .85rem;
}
.validar-foot-note i { color: #94a3b8; }

.btn-validar-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, #6c5ce7 100%);
    color: #fff !important;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 700;
    font-size: .95rem;
    letter-spacing: .3px;
    box-shadow: 0 8px 20px rgba(13,94,244,.28);
    transition: var(--transition);
}
.btn-validar-download i {
    font-size: 1.05rem;
    transition: transform .3s ease;
}
.btn-validar-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(13,94,244,.4);
    filter: brightness(1.05);
}
.btn-validar-download:hover i {
    transform: translateY(2px);
}
@keyframes validarCardIn {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: none; }
}
@keyframes validarPulse {
    0% { transform: scale(1); opacity: .7; }
    70% { transform: scale(1.25); opacity: 0; }
    100% { opacity: 0; }
}
.validar-card-empty { margin-top: 8px; }
.validar-card-ribbon.ribbon-empty {
    background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%);
}
.validar-seal.seal-empty {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    box-shadow: 0 8px 20px rgba(239,68,68,.35);
}
.validar-seal.seal-empty::after {
    border-color: rgba(239,68,68,.4);
}
.badge-empty {
    background: linear-gradient(135deg, #ef4444, #b91c1c);
    color: #fff;
}
.validar-none {
    color: #b91c1c;
    font-weight: 700;
    font-size: .85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.validar-none i { color: #ef4444; }
.validar-field-icon.icon-empty {
    background: #fee2e2;
    color: #dc2626;
}
.badge-success {
    background: #e6f9ee;
    color: #155724;
    padding: 4px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: .8rem;
}
@media (max-width: 576px) {
    .validar-tab { padding: 12px 18px; font-size: .8rem; }
    .validar-panel { padding: 20px 16px; }
    .validar-card-top { padding: 18px 16px 6px; gap: 14px; flex-wrap: wrap; }
    .validar-item-grid { padding: 14px 16px 2px; }
    .validar-card-foot { padding: 16px 16px 18px; }
    .validar-seal { width: 54px; height: 54px; font-size: 1.4rem; }
    .validar-card-title h4 { font-size: 1.15rem; }
    .validar-card-ribbon { padding: 10px 16px; font-size: .7rem; }
    .btn-validar-download { width: 100%; justify-content: center; }
    .validar-card-empty { margin-top: 20px; }
}