:root {
    --primary-color: #262d85;
    --secondary-color: #ff8400;
    --success-color: #7669f4;
    --warning-color: #fad85c;
    --danger-color: #eb3e31;
    --info-color: #17a2b8;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

/* Navbar personalizado */
.navbar {
    background: linear-gradient(90deg, var(--primary-color) 0%, #1a1f5a 100%) !important;
    box-shadow: 0 2px 8px rgba(38, 45, 133, 0.2);
}

.navbar-brand {
    font-weight: bold;
    font-size: 1.5rem;
    color: white !important;
    letter-spacing: 0.5px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--warning-color) !important;
}

/* Cards con sombras suaves */
.card {
    transition: all 0.3s ease;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

/* Gradiente para card principal */
.bg-gradient-primary {
    background: linear-gradient(45deg, var(--primary-color), #262d85);
}

/* Estilos para botones */
.btn {
    border-radius: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

/* Iconos grandes */
.display-1 {
    font-size: 6rem;
}

.display-4 {
    font-size: 2.5rem;
}

/* Sidebar */
.list-group-item {
    border: none;
    border-radius: 0;
}

.list-group-item:hover {
    background-color: #f8f9fa;
}

.list-group-item.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Altura mínima para hero */
.min-vh-75 {
    min-height: 75vh;
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ================================================
   RESPONSIVE DESIGN
   ================================================ */

/* Tablets y dispositivos medianos */
@media (max-width: 992px) {
    .card {
        margin-bottom: 1rem;
    }

    .table-responsive {
        font-size: 0.9rem;
    }
}

/* Móviles y dispositivos pequeños */
@media (max-width: 768px) {
    .display-4 {
        font-size: 2rem;
    }

    .display-1 {
        font-size: 4rem;
    }

    /* Navbar */
    .navbar-brand {
        font-size: 1.2rem;
    }

    /* Cards más compactos */
    .card-body {
        padding: 1rem;
    }

    .card-header {
        padding: 0.75rem 1rem;
    }

    /* Botones más pequeños en móvil */
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    /* Tablas más compactas */
    .table {
        font-size: 0.85rem;
    }

    .table th,
    .table td {
        padding: 0.5rem;
    }

    /* Ocultar columnas menos importantes en móvil */
    .hide-mobile {
        display: none !important;
    }

    /* Estadísticas apiladas verticalmente */
    .stats-mobile {
        margin-bottom: 0.5rem;
    }

    /* Sidebar colapsado por defecto en móvil */
    .sidebar-mobile {
        margin-bottom: 1rem;
    }
}

/* Dispositivos muy pequeños */
@media (max-width: 576px) {
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

    /* Badges más pequeños */
    .badge {
        font-size: 0.75rem;
        padding: 0.25em 0.5em;
    }

    /* Botones de grupo apilados */
    .btn-group {
        display: flex;
        flex-direction: column;
        width: 100%;
    }

    .btn-group .btn {
        width: 100%;
        margin-bottom: 0.5rem;
        border-radius: 0.5rem !important;
    }

    /* Formularios más compactos */
    .form-control {
        font-size: 1rem;
    }

    .form-label {
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }
}

/* Mejoras para impresión */
@media print {
    .navbar,
    .sidebar,
    .btn,
    .card-footer,
    .no-print {
        display: none !important;
    }

    .card {
        border: 1px solid #ddd;
        box-shadow: none;
    }

    body {
        background-color: white;
    }
}

/* Estados de cupones */
.cupon-activo {
    border-left: 4px solid var(--success-color);
}

.cupon-vencido {
    border-left: 4px solid var(--danger-color);
}

.cupon-usado {
    border-left: 4px solid var(--secondary-color);
}

/* Loading spinner personalizado */
.spinner-custom {
    width: 3rem;
    height: 3rem;
    border: 0.3rem solid rgba(38, 45, 133, 0.2);
    border-top: 0.3rem solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Stat cards — altura uniforme en dashboards */
.stat-card {
    min-height: 170px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ===== MEJORAS PARA SECCIÓN DE CÓDIGO QR ===== */

/* Card mejorada para código (warning) */
.card-header.bg-gradient {
    background: linear-gradient(135deg, var(--warning-color) 0%, #e8c347 100%) !important;
}

/* Resumen del descuento */
.alert-light {
    background-color: #f8f9fa !important;
}

.alert-light h3 {
    margin-bottom: 0.25rem;
    font-size: 1.75rem;
}

/* Contenedor QR y código lado a lado */
@media (max-width: 576px) {
    .row.g-3 .col-sm-6 {
        flex-basis: 100%;
        max-width: 100%;
    }
}

/* Código alfanumérico destacado */
code.display-6 {
    letter-spacing: 0.15em;
    word-break: break-all;
    font-family: 'Courier New', monospace;
}

/* Animación para barra de progreso */
.progress-bar {
    transition: width 1s linear !important;
}

/* Botón principal destacado */
.btn-warning.btn-lg {
    font-size: 1.15rem;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 0.25rem 0.75rem rgba(255, 180, 0, 0.3);
    transition: all 0.3s ease;
}

.btn-warning.btn-lg:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.5rem 1.25rem rgba(255, 180, 0, 0.4);
}

/* ===== TEMA DE MARCA ===== */

/* Botones primarios con estilo de marca */
.btn-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.btn-primary:hover {
    background-color: #1a1f5a !important;
    border-color: #1a1f5a !important;
    box-shadow: 0 0.25rem 0.75rem rgba(38, 45, 133, 0.4) !important;
}

/* Botones secundarios */
.btn-secondary {
    background-color: var(--secondary-color) !important;
    border-color: var(--secondary-color) !important;
}

.btn-secondary:hover {
    background-color: #e67e00 !important;
    border-color: #e67e00 !important;
    box-shadow: 0 0.25rem 0.75rem rgba(255, 132, 0, 0.4) !important;
}

/* Botones success */
.btn-success {
    background-color: var(--success-color) !important;
    border-color: var(--success-color) !important;
}

.btn-success:hover {
    background-color: #6356d4 !important;
    border-color: #6356d4 !important;
}

/* Botones warning con colores de marca */
.btn-warning {
    background-color: var(--warning-color) !important;
    border-color: var(--warning-color) !important;
    color: var(--primary-color) !important;
    font-weight: 600;
}

.btn-warning:hover {
    background-color: #f5d043 !important;
    border-color: #f5d043 !important;
    color: var(--primary-color) !important;
}

/* Botones danger */
.btn-danger {
    background-color: var(--danger-color) !important;
    border-color: var(--danger-color) !important;
}

.btn-danger:hover {
    background-color: #d43528 !important;
    border-color: #d43528 !important;
}

/* Badges con colores de marca */
.badge {
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
}

.badge-primary {
    background-color: var(--primary-color) !important;
}

.badge-secondary {
    background-color: var(--secondary-color) !important;
}

.badge-success {
    background-color: var(--success-color) !important;
}

.badge-warning {
    background-color: var(--warning-color) !important;
    color: var(--primary-color) !important;
}

.badge-danger {
    background-color: var(--danger-color) !important;
}

.badge-info {
    background-color: var(--info-color) !important;
}

/* Headers de card con colores de marca */
.card-header {
    background-color: var(--primary-color) !important;
    color: white !important;
    border-bottom: 3px solid var(--secondary-color) !important;
}

.card-header.bg-secondary {
    background-color: var(--secondary-color) !important;
}

.card-header.bg-success {
    background-color: var(--success-color) !important;
}

.card-header.bg-warning {
    background-color: var(--warning-color) !important;
    color: var(--primary-color) !important;
}

.card-header.bg-danger {
    background-color: var(--danger-color) !important;
}

/* Alert boxes con colores de marca */
.alert-primary {
    background-color: rgba(38, 45, 133, 0.1) !important;
    border-color: var(--primary-color) !important;
    color: var(--primary-color) !important;
}

.alert-secondary {
    background-color: rgba(255, 132, 0, 0.1) !important;
    border-color: var(--secondary-color) !important;
    color: var(--secondary-color) !important;
}

.alert-success {
    background-color: rgba(118, 105, 244, 0.1) !important;
    border-color: var(--success-color) !important;
    color: var(--success-color) !important;
}

.alert-warning {
    background-color: rgba(250, 216, 92, 0.2) !important;
    border-color: var(--warning-color) !important;
    color: #d9a800 !important;
}

.alert-danger {
    background-color: rgba(235, 62, 49, 0.1) !important;
    border-color: var(--danger-color) !important;
    color: var(--danger-color) !important;
}

/* Progress bars con colores de marca */
.progress {
    background-color: rgba(38, 45, 133, 0.1) !important;
    border-radius: 1rem;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
    transition: width 1s linear !important;
}

/* Links con color de marca */
a {
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

/* Líneas separadoras */
.border-primary {
    border-color: var(--primary-color) !important;
}

.border-secondary {
    border-color: var(--secondary-color) !important;
}

.border-success {
    border-color: var(--success-color) !important;
}

.border-warning {
    border-color: var(--warning-color) !important;
}

.border-danger {
    border-color: var(--danger-color) !important;
}

/* Gradientes con colores de marca */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a1f5a 100%) !important;
}

.bg-gradient-secondary {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #e67e00 100%) !important;
}

.bg-gradient-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #6356d4 100%) !important;
}

.bg-gradient-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #f5d043 100%) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.text-secondary {
    color: var(--secondary-color) !important;
}

.text-success {
    color: var(--success-color) !important;
}

.text-warning {
    color: var(--warning-color) !important;
}

.text-danger {
    color: var(--danger-color) !important;
}

.text-info {
    color: var(--info-color) !important;
}

/* Sidebar con estilo de marca */
.sidebar {
    background-color: rgba(38, 45, 133, 0.05);
    border-right: 3px solid var(--primary-color);
}

.list-group-item.active {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.list-group-item {
    border-color: rgba(38, 45, 133, 0.2) !important;
}

.list-group-item:hover {
    background-color: rgba(38, 45, 133, 0.05) !important;
    color: var(--primary-color) !important;
}

/* Tabla con estilos de marca */
.table {
    color: #333;
}

.table thead {
    background-color: var(--primary-color) !important;
    color: white !important;
}

.table tbody tr:hover {
    background-color: rgba(38, 45, 133, 0.05);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(250, 216, 92, 0.05);
}

/* Estilos para badges */
.badge {
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
}

/* Alert compacta */
.alert-sm {
    padding: 0.75rem 1rem;
    margin-bottom: 0;
}

/* Separador visual */
.border-bottom {
    border-color: #e9ecef !important;
}

/* ===== ESTILOS PARA LOGOS CIRCULARES ===== */

/* Logo circular en cards */
.logo-container {
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 4px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 15px;
    padding: 8px;
    box-shadow:
        0 4px 12px rgba(38, 45, 133, 0.15),
        inset 0 1px 3px rgba(255, 255, 255, 0.5);
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.logo-container img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    display: block;
}

/* Logo circular pequeño */
.logo-container-sm {
    width: 75px;
    height: 75px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 3px solid #ffffff;
    border-radius: 50%;
    padding: 5px;
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.2),
        inset 0 1px 2px rgba(255, 255, 255, 0.5);
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.logo-container-sm img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    display: block;
}

/* Logo circular grande (detalle) */
.logo-container-lg {
    width: 180px;
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 5px solid var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 20px;
    padding: 12px;
    box-shadow:
        0 6px 20px rgba(38, 45, 133, 0.18),
        inset 0 1px 3px rgba(255, 255, 255, 0.5);
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.logo-container-lg img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    display: block;
}

/* Animación hover para logos */
.logo-container:hover,
.logo-container-sm:hover,
.logo-container-lg:hover {
    transform: scale(1.05) translateZ(0);
    box-shadow: 
        0 8px 24px rgba(38, 45, 133, 0.25),
        inset 0 1px 3px rgba(255, 255, 255, 0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Logo circular mini (tablas) */
.logo-container-xs {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    max-width: 40px;
    max-height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border: 1.5px solid var(--primary-color);
    border-radius: 50%;
    padding: 2px;
    box-shadow:
        0 1px 3px rgba(0, 0, 0, 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.5);
    overflow: hidden;
    flex-shrink: 0;
    position: relative;
}

.logo-container-xs img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 50%;
    display: block;
}

/* Logo placeholder circular */
.logo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f1ff 0%, #e9ecef 100%);
    border-radius: 50%;
}

.logo-placeholder i {
    font-size: 3rem;
    color: var(--primary-color);
    opacity: 0.6;
}

/* Logo container con fondo transparente para headers oscuros */
.logo-container-sm.bg-transparent-light {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.logo-container-sm.bg-transparent-light .logo-placeholder {
    background: transparent;
}

.logo-container-sm.bg-transparent-light .logo-placeholder i {
    font-size: 2rem;
    color: white;
    opacity: 1;
}

/* Logo placeholder para mini */
.logo-container-xs .logo-placeholder i {
    font-size: 1.5rem;
}

/* Card image wrapper para logos */
.card-img-wrapper {
    border-bottom: 1px solid #e9ecef;
    transition: background-color 0.3s ease;
}

.card:hover .card-img-wrapper {
    background-color: #f0f1ff !important;
}

/* Animación hover para logo mini */
.logo-container-xs:hover {
    transform: scale(1.08) translateZ(0);
    box-shadow:
        0 2px 8px rgba(38, 45, 133, 0.2),
        inset 0 1px 2px rgba(255, 255, 255, 0.5);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Responsive: Ajustes para logos en móviles */
@media (max-width: 576px) {
    .logo-container {
        width: 120px;
        height: 120px;
    }

    .logo-container-lg {
        width: 150px;
        height: 150px;
    }

    .logo-container-sm {
        width: 60px;
        height: 60px;
    }

    .card-img-wrapper {
        min-height: 150px !important;
    }
}

/* Evitar desbordamiento en tablas responsive */
.table-responsive .logo-container-xs {
    flex-shrink: 0;
}

/* Asegurar que las imágenes no se distorsionen */
.logo-container img,
.logo-container-sm img,
.logo-container-lg img,
.logo-container-xs img {
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    pointer-events: none;
}

/* ===== PRELOADER ===== */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background-color: #262d85;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

#preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

#preloader .wrapper {
    width: 200px;
    height: 60px;
    position: relative;
    z-index: 1;
}

#preloader .circle {
    width: 20px;
    height: 20px;
    position: absolute;
    border-radius: 50%;
    background-color: #fff;
    left: 15%;
    transform-origin: 50%;
    animation: preloader-circle .5s alternate infinite ease;
}

@keyframes preloader-circle {
    0% {
        top: 60px;
        height: 5px;
        border-radius: 50px 50px 25px 25px;
        transform: scaleX(1.7);
    }
    40% {
        height: 20px;
        border-radius: 50%;
        transform: scaleX(1);
    }
    100% {
        top: 0%;
    }
}

#preloader .circle:nth-child(2) {
    left: 45%;
    animation-delay: .2s;
}

#preloader .circle:nth-child(3) {
    left: auto;
    right: 15%;
    animation-delay: .3s;
}

#preloader .shadow {
    width: 20px;
    height: 4px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.5);
    position: absolute;
    top: 62px;
    transform-origin: 50%;
    z-index: -1;
    left: 15%;
    filter: blur(1px);
    animation: preloader-shadow .5s alternate infinite ease;
}

@keyframes preloader-shadow {
    0%   { transform: scaleX(1.5); }
    40%  { transform: scaleX(1); opacity: .7; }
    100% { transform: scaleX(.2); opacity: .4; }
}

#preloader .shadow:nth-child(4) {
    left: 45%;
    animation-delay: .2s;
}

#preloader .shadow:nth-child(5) {
    left: auto;
    right: 15%;
    animation-delay: .3s;
}