/**
 * Portal de Pagos MINET - Estilos Responsive Mejorados v3.0
 * Diseño mobile-first con efectos tecnológicos modernos
 * Versión: 3.0 - Tech Enhanced
 */

/* ============================================
   VARIABLES CSS - Esquema de Colores MINET + Tech Effects
   ============================================ */
:root {
    /* Colores Principales del Logo */
    --primary-color: #1D9494;           /* Verde/Turquesa MINET */
    --secondary-color: #FC8640;         /* Naranja MINET */
    --primary-glow: rgba(29, 148, 148, 0.4);
    --secondary-glow: rgba(252, 134, 64, 0.4);
    
    /* Colores de Fondo */
    --bg-light: #ffffff;
    --bg-accent: #f9fafb;
    --bg-dark: #0a0e27;
    --bg-gradient: linear-gradient(135deg, #1D9494 0%, #16b8b8 100%);
    --bg-gradient-animated: linear-gradient(135deg, #1D9494 0%, #16b8b8 50%, #1D9494 100%);
    
    /* Colores de Texto */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    
    /* Colores de Estado */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Bordes y Sombras */
    --border-color: #e5e7eb;
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Transiciones */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Efectos Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Efectos de Neón */
    --neon-primary: 0 0 5px var(--primary-color), 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
    --neon-secondary: 0 0 5px var(--secondary-color), 0 0 10px var(--secondary-color), 0 0 20px var(--secondary-color);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ============================================
   RESET Y BASE
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    overflow-x: hidden;
    position: relative;
}

/* Fondo animado con gradiente */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(29, 148, 148, 0.05) 0%, 
        rgba(252, 134, 64, 0.05) 50%,
        rgba(29, 148, 148, 0.05) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ============================================
   HEADER
   ============================================ */
header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-md) var(--spacing-lg);
    transition: all var(--transition-base);
}

header.scrolled {
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
    background: rgba(255, 255, 255, 0.98);
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--bg-gradient-animated);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 200px;
    position: relative;
    transition: transform var(--transition-base);
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(29, 148, 148, 0.3));
    transition: filter var(--transition-base);
}

.logo:hover img {
    filter: drop-shadow(0 4px 12px rgba(29, 148, 148, 0.5));
}

/* ============================================
   MAIN CONTENT
   ============================================ */
main {
    flex: 1;
    padding: var(--spacing-2xl) var(--spacing-md);
    background: transparent;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInDown 0.6s ease-out, gradientFlow 3s ease infinite;
    position: relative;
}

.hero h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: var(--bg-gradient);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--primary-glow);
}

@keyframes gradientFlow {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

/* ============================================
   DASHBOARD
   ============================================ */
.dashboard {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1),
                0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    overflow: hidden;
    animation: fadeIn 0.6s ease-out 0.4s both, floatUp 0.8s ease-out 0.4s both;
    position: relative;
}

.dashboard::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.3), 
        transparent);
    animation: shine 3s infinite;
}

@keyframes floatUp {
    from {
        transform: translateY(30px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes shine {
    0% { left: -100%; }
    50%, 100% { left: 100%; }
}

.dashboard-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    background: var(--bg-gradient);
    color: white;
    position: relative;
    overflow: hidden;
}

.dashboard-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.dashboard-header h2 {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.dashboard-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
}

.dashboard-body {
    padding: var(--spacing-xl);
}

/* ============================================
   SEARCH SECTION
   ============================================ */
.search-section {
    max-width: 600px;
    margin: 0 auto;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

select, input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition-base);
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: relative;
}

select:focus, input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(29, 148, 148, 0.1),
                0 0 20px rgba(29, 148, 148, 0.2);
    transform: translateY(-2px);
    background-color: white;
}

select:hover, input:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* Touch targets para móvil */
@media (max-width: 768px) {
    select, input, button {
        min-height: 44px;
        font-size: 16px; /* Previene zoom en iOS */
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.search-btn, .btn-primary {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--bg-gradient);
    background-size: 200% auto;
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: 0 4px 15px rgba(29, 148, 148, 0.3);
    position: relative;
    overflow: hidden;
}

.search-btn::before, .btn-primary::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;
}

.search-btn:hover::before, .btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.search-btn:hover, .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(29, 148, 148, 0.4);
    background-position: right center;
}

.search-btn:active, .btn-primary:active {
    transform: translateY(-1px);
}

.search-btn i, .btn-primary i {
    transition: transform var(--transition-base);
}

.search-btn:hover i, .btn-primary:hover i {
    transform: scale(1.2) rotate(5deg);
}

.search-btn:disabled, .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: var(--secondary-color);
}

.btn-icon {
    background: linear-gradient(135deg, rgba(29, 148, 148, 0.1), rgba(252, 134, 64, 0.1));
    border: 2px solid transparent;
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
    color: var(--text-secondary);
    min-width: 44px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--bg-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-icon:hover::before {
    opacity: 1;
}

.btn-icon:hover {
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 15px rgba(29, 148, 148, 0.3);
}

.btn-icon i {
    position: relative;
    z-index: 1;
}

/* ============================================
   ERROR MESSAGES
   ============================================ */
.error-message, .error-text {
    color: var(--danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: none;
    animation: shake 0.3s ease-in-out;
}

.error-message.show, .error-text.show {
    display: block;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services-section {
    display: none;
    padding: var(--spacing-xl) 0;
}

.services-section.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

.section-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.section-header h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    color: var(--text-secondary);
    font-size: var(--font-size-base);
}

/* Stats Summary */
.stats-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-base);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bg-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(29, 148, 148, 0.2);
    border-color: var(--primary-color);
}

.stat-value {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: var(--spacing-sm) 0;
    text-shadow: 0 0 30px rgba(29, 148, 148, 0.3);
    animation: pulse 2s ease-in-out infinite;
}

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

.stat-label {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 2px solid transparent;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-bounce);
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(29, 148, 148, 0.1), 
        transparent);
    transition: left 0.5s;
}

.service-card:hover::before {
    left: 100%;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--border-radius-lg);
    padding: 2px;
    background: var(--bg-gradient);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 12px 40px rgba(29, 148, 148, 0.2);
}

.service-card:hover::after {
    opacity: 1;
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.service-id {
    color: var(--primary-color);
    font-weight: 700;
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(29, 148, 148, 0.1);
    border-radius: 20px;
    display: inline-block;
}

.service-status {
    font-size: var(--font-size-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-activo, .status-active {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-suspendido, .status-suspended {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.status-inactivo, .status-inactive {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.service-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.service-details {
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.service-details div {
    margin-bottom: var(--spacing-xs);
}

.service-price {
    font-weight: 700;
    font-size: var(--font-size-xl);
    color: var(--secondary-color);
    margin-top: var(--spacing-md);
}

/* ============================================
   INVOICES SECTION
   ============================================ */
.invoices-section {
    display: none;
    padding: var(--spacing-xl) 0;
}

.invoices-section.active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.back-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(29, 148, 148, 0.1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
    z-index: -1;
}

.back-btn:hover::before {
    transform: scaleX(1);
}

.back-btn:hover {
    border-color: var(--primary-color);
    transform: translateX(-5px);
    box-shadow: 0 4px 12px rgba(29, 148, 148, 0.2);
}

.back-btn i {
    transition: transform var(--transition-base);
}

.back-btn:hover i {
    transform: translateX(-3px);
}

/* Table Responsive */
.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-top: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
}

thead {
    background: var(--bg-gradient);
    color: white;
    position: relative;
}

thead::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.5), 
        transparent);
}

th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-sm);
}

/* Resaltar la columna de Monto (5ta columna) */
td:nth-child(5) {
    font-weight: 700;
    font-size: var(--font-size-lg);
    color: var(--secondary-color);
    background: linear-gradient(90deg, rgba(252, 134, 64, 0.05), rgba(252, 134, 64, 0.1));
}

/* Resaltar el header de Monto */
th:nth-child(5) {
    background: linear-gradient(135deg, #FC8640 0%, #ff9d5c 100%);
    font-weight: 700;
}

tbody tr {
    transition: all var(--transition-fast);
    position: relative;
}

tbody tr::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--border-color), 
        transparent);
}

tbody tr:hover {
    background: linear-gradient(90deg, 
        rgba(29, 148, 148, 0.05), 
        rgba(252, 134, 64, 0.05));
    transform: scale(1.01);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* Invoice Status */
.invoice-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-weight: 600;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
}

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

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

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

/* Invoice Actions */
.invoice-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   LOADER
   ============================================ */
.loader-container {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) 0;
    min-height: 300px;
}

.loader-container.active {
    display: flex;
}

.loader-spinner {
    width: 48px;
    height: 48px;
    border: 5px solid rgba(29, 148, 148, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
    box-shadow: 0 0 20px var(--primary-glow);
    position: relative;
}

.loader-spinner::after {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--secondary-color);
    animation: spin 2s linear infinite reverse;
}

.loader-container p {
    margin-top: var(--spacing-lg);
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    z-index: var(--z-modal);
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease-out;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    margin: var(--spacing-md);
    padding: 0;
    border-radius: var(--border-radius-xl);
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-gradient);
    color: white;
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.modal-header h3, .modal-header h5 {
    margin: 0;
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

.modal-body {
    padding: var(--spacing-xl);
}

.modal-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

.close-modal, .close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.close-modal:hover, .close:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background-color: var(--bg-accent);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    border-top: 3px solid var(--secondary-color);
    margin-top: auto;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.logof {
    max-width: 200px;
    height: auto;
}

footer p {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

footer a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

/* ============================================
   RESPONSIVE - DESKTOP LARGE (Optimización para pantallas grandes)
   ============================================ */
@media (min-width: 1440px) {
    .container {
        max-width: 1000px;
    }
    
    .dashboard {
        max-width: 900px;
        margin: 0 auto;
    }
    
    .search-section {
        max-width: 450px;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-lg);
    }
}

/* ============================================
   RESPONSIVE - DESKTOP (Optimización principal)
   ============================================ */
@media (min-width: 1024px) {
    /* Reducir espaciado general en desktop */
    main {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    /* Hero más compacto */
    .hero {
        padding: var(--spacing-lg) var(--spacing-md);
        margin-bottom: var(--spacing-xl);
    }
    
    .hero h1 {
        font-size: 2.5rem;
        margin-bottom: var(--spacing-md);
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    /* Dashboard más compacto */
    .container {
        max-width: 1000px;
    }
    
    .dashboard {
        max-width: 900px;
        margin: 0 auto;
    }
    
    .dashboard-header {
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .dashboard-header h2 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xs);
    }
    
    .dashboard-body {
        padding: var(--spacing-xl);
    }
    
    /* Formulario de búsqueda más compacto */
    .search-section {
        max-width: 450px;
    }
    
    .form-row {
        margin-bottom: var(--spacing-md);
    }
    
    select, input {
        padding: 0.75rem var(--spacing-md);
        font-size: 0.9375rem;
    }
    
    .search-btn, .btn-primary {
        padding: 0.875rem var(--spacing-lg);
        font-size: 1rem;
    }
    
    /* Stats más compactos */
    .stats-summary {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }
    
    .stat-card {
        padding: var(--spacing-lg);
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    /* Grid de servicios optimizado */
    .services-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: var(--spacing-md);
        max-width: 900px;
        margin: 0 auto;
    }
    
    .service-card {
        padding: var(--spacing-md) var(--spacing-lg);
    }
    
    .service-name {
        font-size: 1.125rem;
    }
    
    .service-price {
        font-size: 1.125rem;
    }
    
    /* Tabla más compacta */
    .table-responsive {
        max-width: 900px;
        margin: var(--spacing-lg) auto;
    }
    
    th, td {
        padding: 0.75rem var(--spacing-md);
        font-size: 0.875rem;
    }
    
    /* Modal optimizado para desktop */
    .modal-content {
        max-width: 550px;
    }
    
    .modal-header {
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .modal-body {
        padding: var(--spacing-lg) var(--spacing-xl);
    }
    
    .modal-footer {
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    /* Tabs más compactos */
    .tab-btn {
        padding: 0.75rem var(--spacing-lg);
        font-size: 0.9375rem;
    }
    
    /* Form fields en modal */
    .form-field {
        margin-bottom: var(--spacing-md);
    }
    
    .form-control {
        padding: 0.75rem var(--spacing-md);
        font-size: 0.9375rem;
    }
}

/* ============================================
   RESPONSIVE - TABLET
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* ============================================
   RESPONSIVE - MOBILE
   ============================================ */
@media (max-width: 768px) {
    :root {
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
        --spacing-2xl: 1.5rem;
    }
    
    header {
        padding: var(--spacing-md);
    }
    
    .logo {
        max-width: 150px;
    }
    
    main {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
        margin-bottom: var(--spacing-lg);
    }
    
    .dashboard {
        border-radius: var(--border-radius-lg);
    }
    
    .dashboard-header, .dashboard-body {
        padding: var(--spacing-lg);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stats-summary {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    /* Tabla responsive en móvil */
    .table-responsive {
        border-radius: var(--border-radius-sm);
    }
    
    table {
        font-size: var(--font-size-xs);
    }
    
    th, td {
        padding: var(--spacing-sm);
    }
    
    /* Ocultar columnas menos importantes en móvil */
    th:nth-child(3),
    td:nth-child(3),
    th:nth-child(6),
    td:nth-child(6) {
        display: none;
    }
    
    .modal-content {
        margin: var(--spacing-sm);
        max-height: 95vh;
        border-radius: var(--border-radius-lg);
    }
    
    .modal-header, .modal-body {
        padding: var(--spacing-lg);
    }
    
    .modal-footer {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .modal-footer button {
        width: 100%;
    }
    
    footer {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .footer-content {
        flex-direction: column;
    }
}

/* ============================================
   RESPONSIVE - SMALL MOBILE
   ============================================ */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .form-row {
        gap: var(--spacing-xs);
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    header, footer, .search-section, .back-btn {
        display: none;
    }
    
    .dashboard {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
    
    .service-card, .stat-card {
        break-inside: avoid;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible para navegación por teclado */
:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Alto contraste */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   TABS (Modal de Pago)
   ============================================ */
.tabs {
    width: 100%;
}

.tab-header {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 600;
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    transition: all var(--transition-base);
    position: relative;
}

.tab-btn:hover {
    color: var(--primary-color);
    background-color: rgba(29, 148, 148, 0.05);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background-color: rgba(29, 148, 148, 0.1);
}

.tab-content {
    display: none !important;
    animation: fadeIn 0.3s ease-out;
}

.tab-content.active {
    display: block !important;
}

/* Phone and ID Input Groups */
.phone-input, .id-input {
    display: flex;
    gap: var(--spacing-sm);
    align-items: stretch;
}

.phone-input select, .id-input select {
    width: 120px;
    flex-shrink: 0;
    min-height: 44px;
}

.phone-input input, .id-input input {
    flex: 1;
    min-height: 44px;
}

.phone-input .form-control, .id-input .form-control {
    margin-bottom: 0;
}

/* Asegurar que los selects en grupos tengan el mismo alto que los inputs */
.phone-group .form-control,
.id-group .form-control {
    height: auto;
    min-height: 48px;
    display: flex;
    align-items: center;
    color: var(--text-primary) !important;
}

/* Forzar visibilidad del texto en selects dentro de phone-input e id-input */
.phone-input select,
.id-input select {
    color: var(--text-primary) !important;
    background-color: white !important;
}

/* Form Fields */
.form-field {
    margin-bottom: var(--spacing-lg);
}

.form-field label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

/* Form Control (Bootstrap override para modal) */
.form-control {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all var(--transition-base);
    background-color: #ffffff !important;
    color: #1f2937 !important;
    line-height: 1.5;
    -webkit-text-fill-color: #1f2937 !important;
    opacity: 1 !important;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(29, 148, 148, 0.1),
                0 0 20px rgba(29, 148, 148, 0.2);
    transform: translateY(-2px);
    background-color: white;
}

.form-control:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.form-control::placeholder {
    color: var(--text-light);
    opacity: 0.7;
}

/* Form Group (Bootstrap) */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.form-group p {
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
}

/* Bank Label */
.bank-label {
    background-color: #f8f9fa;
    color: #343a40;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.bank-label:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.bank-label i {
    margin-right: var(--spacing-sm);
    color: var(--primary-color);
    font-size: 1.2em;
}

/* Validation Feedback */
.invalid-feedback {
    display: none;
    color: var(--danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

.form-control.is-invalid ~ .invalid-feedback {
    display: block;
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-valid {
    border-color: var(--success);
}

/* Select específico para asegurar visibilidad */
select.form-control {
    appearance: none !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231D9494' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 0.75rem center !important;
    background-size: 12px !important;
    background-color: #ffffff !important;
    padding-right: 2.5rem !important;
    cursor: pointer !important;
    color: #1f2937 !important;
    -webkit-text-fill-color: #1f2937 !important;
    opacity: 1 !important;
    text-indent: 0 !important;
}

select.form-control:focus {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%231D9494' d='M6 9L1 4h10z'/%3E%3C/svg%3E") !important;
    color: #1f2937 !important;
    background-color: #ffffff !important;
    -webkit-text-fill-color: #1f2937 !important;
}

select.form-control:hover {
    color: #1f2937 !important;
    -webkit-text-fill-color: #1f2937 !important;
}

/* Eliminar cualquier transformación o filtro que pueda ocultar el texto */
select.form-control,
select.form-control * {
    transform: none !important;
    filter: none !important;
    text-shadow: none !important;
}

/* Opciones del select */
select.form-control option {
    padding: var(--spacing-sm);
    background-color: white !important;
    color: var(--text-primary) !important;
}

/* Asegurar que el select ID específico sea visible y tenga altura consistente */
#bank, #phoneCode, #idType {
    color: #1f2937 !important;
    background-color: #ffffff !important;
    -webkit-text-fill-color: #1f2937 !important;
    min-height: 56px !important;
    height: auto !important;
    padding: var(--spacing-md) !important;
    line-height: 1.5 !important;
    display: flex !important;
    align-items: center !important;
}

/* Asegurar que el selector de banco tenga la misma altura que los inputs */
#bank {
    min-height: 56px !important;
    height: 56px !important;
    padding: var(--spacing-md) !important;
    display: flex !important;
    align-items: center !important;
}

#bank option, #phoneCode option, #idType option {
    color: #1f2937 !important;
    background-color: #ffffff !important;
}

/* Forzar visibilidad en el select cuando está cerrado */
select.form-control:not([multiple]):not([size]) {
    color: #1f2937 !important;
    -webkit-text-fill-color: #1f2937 !important;
}

/* Asegurar que el texto del select sea visible en todos los estados */
#bank:focus, #phoneCode:focus, #idType:focus,
#bank:active, #phoneCode:active, #idType:active {
    color: #1f2937 !important;
    -webkit-text-fill-color: #1f2937 !important;
}

/* Input readonly */
input.form-control[readonly] {
    background-color: rgba(29, 148, 148, 0.05);
    cursor: not-allowed;
    opacity: 0.8;
}

/* Responsive Tabs */
@media (max-width: 768px) {
    .tab-header {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .tab-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-sm);
    }
    
    .phone-input, .id-input {
        flex-direction: column;
    }
    
    .phone-input select, .id-input select {
        width: 100%;
    }
    
    .form-control {
        font-size: 16px; /* Previene zoom en iOS */
        min-height: 44px;
    }
}