/**
 * UV Theme - Sistema de Diseño Minimalista Institucional UV
 * Universidad Veracruzana - DGAE / CISI
 */

:root {
    /* Paleta Institucional UV */
    --uv-blue: #003366;
    --uv-blue-dark: #002244;
    --uv-blue-light: #0b457a;
    --uv-blue-tint: #edf4fa;
    --uv-blue-border: #b8d5ed;

    --uv-green: #007A33;
    --uv-green-dark: #005924;
    --uv-green-light: #128a3f;
    --uv-green-tint: #eaf5ee;
    --uv-green-border: #b2dec0;

    /* Neutros y Superficies */
    --uv-bg: #f8fafc;
    --uv-card-bg: #ffffff;
    --uv-border: #e2e8f0;
    --uv-border-focus: #003366;

    --uv-text-main: #1e293b;
    --uv-text-muted: #64748b;
    --uv-text-light: #94a3b8;

    /* Sombras sutiles */
    --uv-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --uv-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --uv-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);

    /* Radios */
    --uv-radius-sm: 6px;
    --uv-radius: 10px;
    --uv-radius-lg: 16px;
}

body {
    background-color: var(--uv-bg) !important;
    color: var(--uv-text-main) !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !important;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* NAVBAR INSTITUCIONAL */
.navbar-uv {
    background-color: var(--uv-blue) !important;
    color: #ffffff !important;
    box-shadow: var(--uv-shadow);
    border: none !important;
    padding: 0.6rem 1.5rem;
}

.navbar-uv .navbar-brand {
    color: #ffffff !important;
    font-weight: 600;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.navbar-uv .navbar-brand .navbar-logo {
    height: 42px;
    width: auto;
    object-fit: contain;
    mix-blend-mode: screen;
}

.navbar-uv .user-info {
    color: #ffffff;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.navbar-uv .btn-logout {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: var(--uv-radius-sm);
    padding: 6px 12px;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    text-decoration: none;
}

.navbar-uv .btn-logout:hover {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

/* FOOTER MINIMALISTA */
.footer-uv {
    background-color: var(--uv-blue) !important;
    color: rgba(255, 255, 255, 0.85) !important;
    font-size: 0.8rem;
    padding: 8px 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* TARJETAS MINIMALISTAS */
.uv-card {
    background: var(--uv-card-bg);
    border: 1px solid var(--uv-border);
    border-radius: var(--uv-radius);
    box-shadow: var(--uv-shadow-sm);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: box-shadow 0.2s ease;
}

.uv-card:hover {
    box-shadow: var(--uv-shadow);
}

.uv-card-header {
    border-bottom: 1px solid var(--uv-border);
    padding-bottom: 0.8rem;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.uv-card-title {
    color: var(--uv-blue);
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0;
}

/* BOTONES INSTITUCIONALES */
.btn-uv-primary {
    background-color: var(--uv-blue) !important;
    border-color: var(--uv-blue) !important;
    color: #ffffff !important;
    font-weight: 600;
    border-radius: var(--uv-radius-sm);
    padding: 0.5rem 1.2rem;
    transition: all 0.2s ease;
}

.btn-uv-primary:hover,
.btn-uv-primary:focus {
    background-color: var(--uv-blue-dark) !important;
    border-color: var(--uv-blue-dark) !important;
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.25);
}

.btn-uv-success {
    background-color: var(--uv-green) !important;
    border-color: var(--uv-green) !important;
    color: #ffffff !important;
    font-weight: 600;
    border-radius: var(--uv-radius-sm);
    padding: 0.5rem 1.2rem;
    transition: all 0.2s ease;
}

.btn-uv-success:hover,
.btn-uv-success:focus {
    background-color: var(--uv-green-dark) !important;
    border-color: var(--uv-green-dark) !important;
    box-shadow: 0 0 0 3px rgba(0, 122, 51, 0.25);
}

.btn-uv-outline-primary {
    background-color: transparent !important;
    border: 1px solid var(--uv-blue) !important;
    color: var(--uv-blue) !important;
    font-weight: 600;
    border-radius: var(--uv-radius-sm);
    padding: 0.45rem 1rem;
    transition: all 0.2s ease;
}

.btn-uv-outline-primary:hover {
    background-color: var(--uv-blue-tint) !important;
    color: var(--uv-blue-dark) !important;
}

.btn-uv-outline-success {
    background-color: transparent !important;
    border: 1px solid var(--uv-green) !important;
    color: var(--uv-green) !important;
    font-weight: 600;
    border-radius: var(--uv-radius-sm);
    padding: 0.45rem 1rem;
    transition: all 0.2s ease;
}

.btn-uv-outline-success:hover {
    background-color: var(--uv-green-tint) !important;
    color: var(--uv-green-dark) !important;
}

/* INPUTS Y FORMULARIOS */
.form-control-uv,
.form-select-uv {
    border: 1px solid var(--uv-border) !important;
    border-radius: var(--uv-radius-sm) !important;
    padding: 0.55rem 0.85rem;
    font-size: 0.95rem;
    color: var(--uv-text-main);
    background-color: #ffffff;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control-uv:focus,
.form-select-uv:focus {
    border-color: var(--uv-blue) !important;
    outline: 0;
    box-shadow: 0 0 0 3px rgba(0, 51, 102, 0.15) !important;
}

.campo-faltante {
    border: 3px solid var(--uv-blue) !important;
    border-radius: var(--uv-radius) !important;
    background-color: rgba(0, 51, 102, 0.05);
}

.form-label-uv {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--uv-text-main);
    margin-bottom: 0.35rem;
}

/* STEPPER Y ETAPAS */
.uv-stepper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
    background: #ffffff;
    padding: 1rem;
    border-radius: var(--uv-radius);
    border: 1px solid var(--uv-border);
}

.uv-step-item {
    flex: 1;
    text-align: center;
    cursor: pointer;
    padding: 0.75rem 0.5rem;
    border-radius: var(--uv-radius-sm);
    transition: all 0.2s ease;
}

.uv-step-item.active {
    background-color: var(--uv-blue-tint);
    color: var(--uv-blue);
    font-weight: 700;
}

.uv-step-item.active .uv-step-icon {
    background-color: var(--uv-blue);
    color: #ffffff;
}

.uv-step-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--uv-border);
    color: var(--uv-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 6px;
    font-weight: bold;
}

.uv-step-title {
    font-size: 0.88rem;
    display: block;
}

/* DROPZONE PARA DOCUMENTOS */
.uv-dropzone {
    border: 2px dashed var(--uv-blue-border);
    background-color: var(--uv-blue-tint);
    border-radius: var(--uv-radius);
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.uv-dropzone:hover,
.uv-dropzone.dragover {
    border-color: var(--uv-blue);
    background-color: #e2effa;
}

.uv-dropzone-icon {
    font-size: 2.5rem;
    color: var(--uv-blue);
    margin-bottom: 0.5rem;
}

.uv-dropzone-text {
    font-size: 0.95rem;
    color: var(--uv-text-main);
    font-weight: 500;
}

.uv-dropzone-hint {
    font-size: 0.8rem;
    color: var(--uv-text-muted);
}

/* BADGES INSTITUCIONALES */
.badge-uv-success {
    background-color: var(--uv-green-tint) !important;
    color: var(--uv-green-dark) !important;
    border: 1px solid var(--uv-green-border);
    font-weight: 600;
    padding: 0.35rem 0.65rem;
    border-radius: 20px;
}

.badge-uv-info {
    background-color: var(--uv-blue-tint) !important;
    color: var(--uv-blue-dark) !important;
    border: 1px solid var(--uv-blue-border);
    font-weight: 600;
    padding: 0.35rem 0.65rem;
    border-radius: 20px;
}

.badge-uv-warning {
    background-color: #fffbeb !important;
    color: #92400e !important;
    border: 1px solid #fde68a;
    font-weight: 600;
    padding: 0.35rem 0.65rem;
    border-radius: 20px;
}

.badge-uv-danger {
    background-color: #fef2f2 !important;
    color: #991b1b !important;
    border: 1px solid #fecaca;
    font-weight: 600;
    padding: 0.35rem 0.65rem;
    border-radius: 20px;
}

/* DATATABLES MINIMALISTA */
table.dataTable {
    border-collapse: collapse !important;
    width: 100% !important;
}

table.dataTable thead th {
    background-color: var(--uv-blue) !important;
    color: #ffffff !important;
    font-weight: 600 !important;
    padding: 10px 12px !important;
    border: none !important;
    font-size: 0.88rem;
}

table.dataTable tbody tr {
    background-color: #ffffff;
    transition: background-color 0.15s ease;
}

table.dataTable tbody tr:hover {
    background-color: var(--uv-blue-tint) !important;
}

table.dataTable tbody td {
    padding: 8px 12px !important;
    vertical-align: middle;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--uv-border) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--uv-blue) !important;
    color: #ffffff !important;
    border: 1px solid var(--uv-blue) !important;
    border-radius: var(--uv-radius-sm);
}

.dataTables_wrapper .dataTables_filter input {
    border: 1px solid var(--uv-border) !important;
    border-radius: var(--uv-radius-sm) !important;
    padding: 4px 8px;
}

/* SPINNER / OVERLAY DE CARGA */
.uv-spinner-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(3px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.uv-spinner-box {
    background: #ffffff;
    padding: 2rem;
    border-radius: var(--uv-radius);
    text-align: center;
    box-shadow: var(--uv-shadow-lg);
}

.uv-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--uv-blue-tint);
    border-top-color: var(--uv-blue);
    border-radius: 50%;
    animation: uv-spin 0.8s linear infinite;
    margin: 0 auto 1rem auto;
}

@keyframes uv-spin {
    to {
        transform: rotate(360deg);
    }
}