/**
 * Sistema de Diseño Unificado - PREMIOS VARGAS
 * Mejoras visuales modernas manteniendo 100% funcionalidad
 */

/* ============================================
   VARIABLES CSS - Sistema de Diseño
   ============================================ */
:root {
    /* Colores Primarios - Tema Oscuro */
    --primary-50: #1a1a2e;
    --primary-100: #16213e;
    --primary-200: #0f3460;
    --primary-300: #1f4068;
    --primary-400: #e94560;
    --primary-500: #ffd700;
    --primary-600: #f4c430;
    --primary-700: #ffd700;
    --primary-800: #ffdf00;
    --primary-900: #ffed4e;

    /* Colores Secundarios - Dorados y Ambar */
    --secondary-50: #1a1a1a;
    --secondary-100: #2d2d2d;
    --secondary-200: #3d3d3d;
    --secondary-300: #4d4d4d;
    --secondary-400: #d4af37;
    --secondary-500: #ffd700;
    --secondary-600: #f4c430;
    --secondary-700: #daa520;
    --secondary-800: #b8860b;
    --secondary-900: #9b7600;

    /* Colores de Acento */
    --accent-pink: #EC4899;
    --accent-blue: #3B82F6;
    --accent-green: #10B981;
    --accent-red: #EF4444;
    --accent-yellow: #ffd700;
    
    /* Neutros - Tema Oscuro */
    --gray-50: #0a0a0a;
    --gray-100: #1a1a1a;
    --gray-200: #2d2d2d;
    --gray-300: #404040;
    --gray-400: #737373;
    --gray-500: #a3a3a3;
    --gray-600: #d4d4d4;
    --gray-700: #e5e5e5;
    --gray-800: #f5f5f5;
    --gray-900: #fafafa;
    
    /* Sombras Consistentes */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Sombras de Color */
    --shadow-primary: 0 10px 15px -3px rgb(139 92 246 / 0.3);
    --shadow-secondary: 0 10px 15px -3px rgb(245 158 11 / 0.3);
    --shadow-success: 0 10px 15px -3px rgb(16 185 129 / 0.3);
    --shadow-error: 0 10px 15px -3px rgb(239 68 68 / 0.3);
    
    /* Bordes Redondeados */
    --radius-sm: 0.375rem;    /* 6px */
    --radius-md: 0.5rem;      /* 8px */
    --radius-lg: 0.75rem;     /* 12px */
    --radius-xl: 1rem;        /* 16px */
    --radius-2xl: 1.5rem;     /* 24px */
    --radius-3xl: 2rem;       /* 32px */
    --radius-full: 9999px;
    
    /* Espaciado */
    --space-xs: 0.5rem;   /* 8px */
    --space-sm: 0.75rem;  /* 12px */
    --space-md: 1rem;     /* 16px */
    --space-lg: 1.5rem;   /* 24px */
    --space-xl: 2rem;     /* 32px */
    --space-2xl: 3rem;    /* 48px */
    --space-3xl: 4rem;    /* 64px */
    
    /* Transiciones */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   UTILIDADES - Clases Reutilizables
   ============================================ */

/* Efectos de Hover Mejorados */
.hover-lift {
    transition: all var(--transition-base);
}

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

.hover-scale {
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.02);
}

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

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

/* Cards Modernas */
.card-modern {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: var(--radius-2xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 215, 0, 0.2);
    transition: all var(--transition-base);
}

.card-modern:hover {
    box-shadow: 0 8px 30px rgba(255, 215, 0, 0.3);
    transform: translateY(-2px);
    border-color: rgba(255, 215, 0, 0.4);
}

.card-gradient {
    position: relative;
    overflow: hidden;
}

.card-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--primary-100) 0%, transparent 70%);
    opacity: 0.5;
    transform: translate(50%, -50%);
    transition: transform var(--transition-slow);
}

.card-gradient:hover::before {
    transform: translate(50%, -50%) scale(1.5);
}

/* Botones Mejorados */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
    color: #1a1a1a;
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.5);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Efecto de brillo en botones */
.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left var(--transition-slow);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-500) 0%, var(--secondary-600) 100%);
    color: white;
    font-weight: 700;
    padding: 1rem 2rem;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

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

.btn-outline {
    background: white;
    color: var(--primary-600);
    font-weight: 600;
    padding: 1rem 2rem;
    border-radius: var(--radius-xl);
    border: 2px solid var(--primary-200);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-outline:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
    transform: translateY(-2px);
}

/* Inputs Mejorados */
.input-modern {
    width: 100%;
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    font-size: 1rem;
    transition: all var(--transition-base);
    color: var(--gray-900);
}

.input-modern:focus {
    outline: none;
    background: white;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px var(--primary-100);
    transform: translateY(-1px);
}

.input-modern::placeholder {
    color: var(--gray-400);
}

.input-with-icon {
    padding-left: 3rem;
}

/* Badges Mejorados */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.badge-success {
    background: var(--accent-green);
    color: white;
}

.badge-warning {
    background: var(--accent-yellow);
    color: white;
}

.badge-error {
    background: var(--accent-red);
    color: white;
}

.badge-info {
    background: var(--accent-blue);
    color: white;
}

.badge-light {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* Estados de Comprobante */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid;
}

.status-pendiente {
    background: #FEF3C7;
    color: #92400E;
    border-color: #FCD34D;
}

.status-aprobado {
    background: #D1FAE5;
    color: #065F46;
    border-color: #6EE7B7;
}

.status-rechazado {
    background: #FEE2E2;
    color: #991B1B;
    border-color: #FCA5A5;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse-dot 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Tablas Modernas */
.table-modern {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table-modern thead {
    background: var(--gray-50);
}

.table-modern th {
    padding: 1rem 1.5rem;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--gray-200);
}

.table-modern tbody tr {
    transition: background-color var(--transition-fast);
}

.table-modern tbody tr:hover {
    background: var(--primary-50);
}

.table-modern td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--gray-100);
}

/* Modales Mejorados */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-content {
    background: white;
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 100%;
    overflow: hidden;
    animation: modal-scale-in 0.3s ease-out;
}

@keyframes modal-scale-in {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--accent-pink) 100%);
    padding: 1.5rem;
    color: white;
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    padding: 1.5rem;
    background: var(--gray-50);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 400px;
}

.toast {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 1rem;
    display: flex;
    align-items: start;
    gap: 1rem;
    border-left: 4px solid;
    animation: toast-slide-in 0.3s ease-out;
}

@keyframes toast-slide-in {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-success {
    border-left-color: var(--accent-green);
}

.toast-error {
    border-left-color: var(--accent-red);
}

.toast-warning {
    border-left-color: var(--accent-yellow);
}

.toast-info {
    border-left-color: var(--accent-blue);
}

.toast-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-success .toast-icon {
    background: #D1FAE5;
    color: var(--accent-green);
}

.toast-error .toast-icon {
    background: #FEE2E2;
    color: var(--accent-red);
}

/* Loading States */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-100) 25%,
        var(--gray-200) 50%,
        var(--gray-100) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

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

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spinner-rotate 0.8s linear infinite;
}

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

/* Animaciones de Entrada */
.fade-in {
    animation: fade-in 0.5s ease-out;
}

@keyframes fade-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-in-up {
    animation: slide-in-up 0.5s ease-out;
}

@keyframes slide-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Gradientes Animados */
.gradient-animated {
    background: linear-gradient(
        -45deg,
        var(--primary-600),
        var(--accent-pink),
        var(--secondary-500),
        var(--primary-500)
    );
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Responsive Utilities */
@media (max-width: 640px) {
    .toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }
    
    .modal-content {
        margin: 0;
        border-radius: var(--radius-2xl);
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .card-modern {
        border-radius: var(--radius-xl);
    }
}

/* Accesibilidad */
.focus-visible:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

/* Prevenir selección de texto en elementos interactivos */
.no-select {
    user-select: none;
    -webkit-user-select: none;
}

/* Scroll suave */
html {
    scroll-behavior: smooth;
}

/* Ocultar scrollbar pero mantener funcionalidad */
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

/* ============================================
   MEJORAS UX ADICIONALES
   ============================================ */

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

.btn-shimmer::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s ease-in-out;
}

.btn-shimmer:hover::after {
    left: 100%;
}

/* Efectos de glassmorphism mejorados */
.glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
}

.glass-dark {
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Checkbox moderno personalizado */
.checkbox-modern {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--gray-300);
    border-radius: 0.375rem;
    background-color: white;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
}

.checkbox-modern:checked {
    background-color: var(--primary-600);
    border-color: var(--primary-600);
}

.checkbox-modern:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 0.875rem;
}

.checkbox-modern:hover {
    border-color: var(--primary-500);
}

/* Radio button moderno */
.radio-modern {
    appearance: none;
    -webkit-appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    background-color: white;
    cursor: pointer;
    position: relative;
    transition: all var(--transition-base);
}

.radio-modern:checked {
    border-color: var(--primary-600);
}

.radio-modern:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.625rem;
    height: 0.625rem;
    border-radius: 50%;
    background-color: var(--primary-600);
}

/* Progress bar moderna */
.progress-bar {
    width: 100%;
    height: 0.5rem;
    background-color: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-600), var(--accent-pink));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* Divider decorativo */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
    margin: 2rem 0;
}

.divider-vertical {
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--gray-200), transparent);
}

/* Overlay mejorado */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 9998;
    animation: fade-in 0.3s ease-out;
}

/* Tooltip moderno */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltip-text {
    visibility: hidden;
    background-color: var(--gray-900);
    color: white;
    text-align: center;
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    opacity: 0;
    transition: opacity var(--transition-base);
    font-size: 0.875rem;
}

.tooltip:hover .tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* Pulse animation para indicadores */
.pulse-indicator {
    animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse-ring {
    0% {
        box-shadow: 0 0 0 0 currentColor;
        opacity: 1;
    }
    100% {
        box-shadow: 0 0 0 10px currentColor;
        opacity: 0;
    }
}

/* Shine effect para elementos destacados */
@keyframes shine {
    to {
        background-position: 200% center;
    }
}

.shine-effect {
    background: linear-gradient(
        110deg,
        var(--primary-600) 30%,
        var(--accent-pink) 38%,
        var(--accent-pink) 40%,
        var(--primary-600) 48%
    );
    background-size: 200% 100%;
    background-position: 100% 0;
    animation: shine 3s infinite;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Floating animation mejorada */
.float-animation {
    animation: float-gentle 6s ease-in-out infinite;
}

@keyframes float-gentle {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* Grid responsive mejorado */
@media (min-width: 640px) {
    .grid-auto-fit {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Text gradient utilities */
.text-gradient-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--accent-pink));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-secondary {
    background: linear-gradient(135deg, var(--secondary-500), var(--secondary-600));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Image overlay hover */
.img-overlay {
    position: relative;
    overflow: hidden;
}

.img-overlay::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.7));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.img-overlay:hover::after {
    opacity: 1;
}

.img-overlay img {
    transition: transform var(--transition-slow);
}

.img-overlay:hover img {
    transform: scale(1.1);
}

/* Bento grid layout */
.bento-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    align-items: start;
}

/* Responsive utilities específicas */
@media (max-width: 768px) {
    .btn-primary,
    .btn-secondary {
        padding: 0.875rem 1.5rem;
        font-size: 0.875rem;
    }

    .card-modern {
        padding: 1.25rem;
    }

    .input-modern {
        font-size: 16px; /* Previene zoom en iOS */
    }
}

/* Focus visible mejorado */
*:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Animación para números contadores */
@keyframes count-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.counter {
    animation: count-up 0.5s ease-out;
}