:root {
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --secondary: #10b981;
    --accent: #f59e0b;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    --dark: #1f2937;
    --light: #f9fafb;
}

/* Animaciones personalizadas */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes pulse-soft {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

/* Glassmorphism */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Gradientes premium */
/* Color sólido del sidebar (azul marino, blue-900), sin degradado */
.gradient-primary {
    background: #1e3a8a;
}

.gradient-primary:hover {
    background: #1e40af;
}

.gradient-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.gradient-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.gradient-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.gradient-financial {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #10b981 100%);
}

/* Botones premium */
.btn-premium {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-premium::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-premium:hover::before {
    width: 300px;
    height: 300px;
}

/* Cards con sombra suave */
.card-premium {
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.card-premium:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Scrollbar personalizado */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Inputs premium */
.input-premium {
    transition: all 0.3s ease;
}

.input-premium:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* Status badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-pending {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-approved {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-active {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-completed {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-rejected {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-defaulted {
    background-color: #fecaca;
    color: #7f1d1d;
}

.badge-paid {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-late {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-partial {
    background-color: #fed7aa;
    color: #92400e;
}