/* 
 * Divali Intranet - Mejoras Gráficas 2025
 * ========================================
 * Mejoras visuales sin cambiar colores corporativos
 */

/* ===== Variables CSS ===== */
:root {
    /* Colores corporativos (no modificar) */
    --primary-color: #2c3e50;
    --secondary-color: #c93e42;
    --accent-color: #f39c12;
    --success-color: #27ae60;
    --info-color: #3498db;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    
    /* Sombras mejoradas */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.10);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 12px 48px rgba(0,0,0,0.15);
    
    /* Transiciones */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Bordes redondeados */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

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

/* ===== Cards Mejoradas ===== */
.card {
    border: none;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    overflow: hidden;
    background: white;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 1.25rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

/* Cards con efectos especiales */
.card-hover-lift {
    transition: all var(--transition-base);
}

.card-hover-lift:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* Glass morphism effect */
.card-glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ===== Botones Mejorados ===== */
.btn {
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 1.25rem;
    font-weight: 500;
    transition: all var(--transition-base);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Botón primario con gradiente */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

/* Botón con efecto de brillo */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.3) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    transition: transform 0.6s;
    transform: translateX(-100%) translateY(-100%);
}

.btn-shine:hover::after {
    transform: translateX(100%) translateY(100%);
}

/* ===== Formularios Mejorados ===== */
.form-control,
.form-select {
    border-radius: var(--border-radius-sm);
    border: 2px solid #e0e0e0;
    transition: all var(--transition-fast);
    padding: 0.75rem 1rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(44, 62, 80, 0.15);
    transform: translateY(-1px);
}

/* Floating labels effect */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary-color);
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* ===== Tablas Mejoradas ===== */
.table {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    border: none;
    padding: 1rem;
}

.table tbody tr {
    transition: all var(--transition-fast);
}

.table tbody tr:hover {
    background-color: rgba(44, 62, 80, 0.03);
    transform: scale(1.01);
}

/* ===== Badges y Pills ===== */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.badge-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

/* ===== Alerts Mejorados ===== */
.alert {
    border: none;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    animation: fadeIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.alert::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
}

.alert-success::before {
    background: var(--success-color);
}

.alert-danger::before {
    background: var(--danger-color);
}

.alert-warning::before {
    background: var(--warning-color);
}

.alert-info::before {
    background: var(--info-color);
}

/* ===== Loading States ===== */
.skeleton-loader {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--border-radius-sm);
}

.spinner-grow-sm {
    width: 1rem;
    height: 1rem;
}

/* ===== Progress Bars ===== */
.progress {
    height: 8px;
    border-radius: var(--border-radius-sm);
    background-color: #e0e0e0;
    overflow: visible;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-sm);
    position: relative;
    overflow: visible;
    transition: width 0.6s ease;
}

.progress-bar::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: white;
    border: 3px solid var(--secondary-color);
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

/* ===== Tooltips Personalizados ===== */
.tooltip-inner {
    background: var(--primary-color);
    border-radius: var(--border-radius-sm);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
}

.tooltip.bs-tooltip-top .tooltip-arrow::before {
    border-top-color: var(--primary-color);
}

/* ===== Modals Mejorados ===== */
.modal-content {
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    animation: fadeIn 0.3s ease-out;
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    border: none;
}

.modal-backdrop {
    backdrop-filter: blur(5px);
}

/* ===== Navbar Mejorado ===== */
.navbar {
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.navbar-brand {
    font-weight: 700;
    transition: all var(--transition-fast);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.nav-link {
    position: relative;
    transition: all var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: all var(--transition-base);
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* ===== Sidebar Mejorado ===== */
.sidebar {
    transition: all var(--transition-base);
}

.sidebar-item {
    border-radius: var(--border-radius-sm);
    margin: 0.25rem 0;
    transition: all var(--transition-fast);
}

.sidebar-item:hover {
    background: rgba(44, 62, 80, 0.05);
    transform: translateX(4px);
}

.sidebar-item.active {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: white;
}

/* ===== Iconos Animados ===== */
.icon-hover {
    transition: all var(--transition-base);
}

.icon-hover:hover {
    transform: rotate(15deg) scale(1.2);
    color: var(--secondary-color);
}

.icon-pulse {
    animation: pulse 2s infinite;
}

/* ===== Utilidades Adicionales ===== */
.shadow-hover {
    transition: box-shadow var(--transition-base);
}

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

.border-gradient {
    border: 2px solid transparent;
    background: linear-gradient(white, white) padding-box,
                linear-gradient(135deg, var(--primary-color), var(--secondary-color)) border-box;
}

/* Texto con gradiente */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Responsive Improvements ===== */
@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
}

/* ===== Dark Mode Support (Opcional) ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --shadow-sm: 0 2px 4px rgba(0,0,0,0.2);
        --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
        --shadow-lg: 0 8px 24px rgba(0,0,0,0.4);
        --shadow-xl: 0 12px 48px rgba(0,0,0,0.5);
    }
}

/* ===== Print Styles ===== */
@media print {
    .no-print {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}