/* =========================================
   🎨 VARIABLES & SISTEMA DE DISEÑO CORPORATIVO
   ========================================= */
   :root {
    /* Colores base */
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #f8fafc 0%, #fce7f3 30%, #ffffff 100%);
    
    /* Tipografía */
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Paleta corporativa - Plateado */
    --silver-light: #f1f5f9;
    --silver: #e2e8f0;
    --silver-dark: #94a3b8;
    --silver-darker: #64748b;
    
    /* Paleta corporativa - Rosa */
    --pink-corp: #be185d;
    --pink-corp-light: #fdf2f8;
    --pink-corp-hover: #9d174d;
    --pink-corp-active: #831843;
    --pink-gradient: linear-gradient(135deg, #be185d 0%, #e11d48 50%, #db2777 100%);
    --pink-glow: 0 0 20px rgba(190, 24, 93, 0.3);
    
    /* Sombras multicapa */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.03);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.05), 0 1px 2px -1px rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.08), 0 2px 4px -2px rgb(0 0 0 / 0.06);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.06);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 0 1px rgba(190, 24, 93, 0.1), 0 4px 12px rgba(190, 24, 93, 0.15);
    
    /* Bordes y radios */
    --radius-xs: 0.25rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transiciones y animaciones */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Tipografía escalable */
    --font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
    
    /* Espaciado base */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    
    /* Z-index escalonado */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 1000;
    --z-tooltip: 1100;
    
    /* Safe areas para notches (iPhone X+) */
    --safe-top: env(safe-area-inset-top, 0);
    --safe-right: env(safe-area-inset-right, 0);
    --safe-bottom: env(safe-area-inset-bottom, 0);
    --safe-left: env(safe-area-inset-left, 0);
}

/* =========================================
   🔄 RESET & BASE UNIVERSAL
   ========================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -moz-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    text-size-adjust: 100%;
    width: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background: var(--bg-gradient);
    color: var(--text-primary);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    position: relative;
}

/* Prevenir zoom en inputs en iOS */
input, select, textarea, button {
    font-size: 16px;
    max-width: 100%;
}

/* =========================================
   📝 TIPOGRAFÍA ESCALABLE
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
}

h2 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    font-weight: 700;
}

h3 { font-size: 1.125rem; font-weight: 600; }
h4 { font-size: 1rem; font-weight: 600; }

p { margin-bottom: var(--space-4); }

a {
    color: var(--pink-corp);
    text-decoration: none;
    transition: var(--transition);
}

a:hover { color: var(--pink-corp-hover); }

/* =========================================
   🧭 SIDEBAR - NAVEGACIÓN PROFESIONAL
   ========================================= */
.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--text-primary) 0%, #1e293b 100%);
    color: var(--text-inverse);
    padding: var(--space-6);
    padding-top: calc(var(--space-6) + var(--safe-top));
    padding-bottom: calc(var(--space-6) + var(--safe-bottom));
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    height: -webkit-fill-available;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: var(--z-sticky);
    transition: transform var(--transition-slow) var(--ease-out), box-shadow var(--transition);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    will-change: transform;
    -webkit-overflow-scrolling: touch;
}

/* Scrollbar personalizado para sidebar */
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-track { background: transparent; }
.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}
.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* Header del sidebar con logo */
.sidebar-header {
    padding-bottom: var(--space-5);
    margin-bottom: var(--space-5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.sidebar-logo-icon {
    width: 48px;
    height: 48px;
    background: var(--pink-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--pink-glow);
    flex-shrink: 0;
    animation: pulse 3s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: var(--pink-glow); }
    50% { box-shadow: 0 0 30px rgba(190, 24, 93, 0.5); }
}

.sidebar-logo-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
}

.sidebar-logo-text span {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    color: var(--silver-dark);
    margin-top: 2px;
    opacity: 0.9;
}

/* Info de usuario en sidebar */
.sidebar-user {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    transition: var(--transition);
}

.sidebar-user:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.sidebar-user-avatar {
    width: 40px;
    height: 40px;
    background: var(--pink-corp-light);
    border: 2px solid var(--pink-corp);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    color: var(--pink-corp);
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.75rem;
    color: var(--silver-dark);
    display: flex;
    align-items: center;
    gap: 4px;
}

.sidebar-user-role.admin {
    color: #fbbf24;
    font-weight: 500;
}

/* Navegación principal */
.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    color: #cbd5e1;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--pink-gradient);
    opacity: 0;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(190, 24, 93, 0.15);
    color: #fff;
    transform: translateX(4px);
}

.nav-link:hover::before { opacity: 1; }

.nav-link.active {
    background: var(--pink-gradient);
    color: #fff !important;
    box-shadow: var(--shadow-glow);
}

.nav-link.active::before {
    opacity: 1;
    width: 4px;
    animation: slideIn 0.3s var(--ease-out);
}

@keyframes slideIn {
    from { width: 0; }
    to { width: 4px; }
}

.nav-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.nav-link:hover .nav-icon {
    transform: scale(1.1);
}

/* Footer del sidebar con logout */
.sidebar-footer {
    padding-top: var(--space-5);
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.logout-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    color: #fecaca;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    width: 100%;
}

.logout-link:hover {
    background: #ef4444;
    color: #fff;
    border-color: #ef4444;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

/* =========================================
   🍔 BOTÓN MENÚ MÓVIL (Hamburguesa)
   ========================================= */
.menu-toggle {
    display: none;
    position: fixed;
    top: calc(1rem + var(--safe-top));
    left: calc(1rem + var(--safe-left));
    z-index: calc(var(--z-sticky) + 1);
    background: var(--pink-gradient);
    color: #fff;
    border: none;
    padding: var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1.3rem;
    box-shadow: var(--shadow-lg), var(--pink-glow);
    transition: var(--transition);
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.menu-toggle:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl), 0 0 25px rgba(190, 24, 93, 0.4);
}

.menu-toggle:active {
    transform: scale(0.95);
    transition-duration: 0.05s;
}

.menu-toggle:focus-visible {
    outline: 3px solid var(--pink-corp-light);
    outline-offset: 3px;
}

/* Animación del icono hamburguesa */
.menu-toggle .hamburger {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 20px;
}

.menu-toggle .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

.menu-toggle.active .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.active .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* =========================================
   📄 CONTENIDO PRINCIPAL - CORREGIDO PARA SCROLL
   ========================================= */
.main {
    flex: 1;
    margin-left: 280px;
    padding: var(--space-8);
    padding-top: calc(var(--space-8) + var(--safe-top));
    padding-bottom: calc(var(--space-8) + var(--safe-bottom) + 80px);
    min-height: 100vh;
    background: var(--bg-gradient);
    transition: margin-left var(--transition-slow) var(--ease-out), padding var(--transition);
    width: 100%;
    max-width: calc(100vw - 280px);
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
    -webkit-overflow-scrolling: touch;
}

/* =========================================
   📊 TARJETAS DE ESTADÍSTICAS PREMIUM
   ========================================= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-5);
    margin-bottom: var(--space-8);
}

.stat-card {
    background: var(--bg-white);
    padding: var(--space-6);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-slow);
    border: 1px solid var(--silver);
    display: flex;
    flex-direction: column;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--pink-gradient);
    opacity: 0.95;
}

.stat-card::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -60px;
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, var(--pink-corp-light) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.5;
    transition: var(--transition-slow);
    pointer-events: none;
    z-index: 0;
}

.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    border-color: var(--pink-corp);
    z-index: 1;
}

.stat-card:hover::after {
    transform: scale(1.3);
    opacity: 0.8;
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--pink-corp-light);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(3deg);
    background: var(--pink-gradient);
    color: #fff;
    box-shadow: var(--pink-glow);
}

.stat-card h3 {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 2;
}

.stat-card .value {
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    color: var(--text-primary);
    position: relative;
    z-index: 2;
    line-height: 1;
    margin-top: var(--space-1);
}

.stat-card .subtitle {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: var(--space-2);
    position: relative;
    z-index: 2;
}

/* Animación de entrada escalonada */
.stat-card {
    animation: fadeInUp 0.4s var(--ease-out) backwards;
}
.stat-card:nth-child(1) { animation-delay: 0.05s; }
.stat-card:nth-child(2) { animation-delay: 0.1s; }
.stat-card:nth-child(3) { animation-delay: 0.15s; }
.stat-card:nth-child(4) { animation-delay: 0.2s; }
.stat-card:nth-child(5) { animation-delay: 0.25s; }
.stat-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================================
   🎛️ CONTROLES & FORMULARIOS
   ========================================= */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
    align-items: flex-end;
    background: var(--bg-white);
    padding: var(--space-4);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--silver);
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-3);
    width: 100%;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.control-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.control-group input,
.control-group select,
.control-group textarea {
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--silver);
    border-radius: var(--radius-md);
    outline: none;
    font-size: 0.95rem;
    transition: var(--transition);
    background: var(--bg-white);
    color: var(--text-primary);
    min-height: 48px;
    width: 100%;
}

.control-group input::placeholder,
.control-group textarea::placeholder {
    color: var(--text-light);
    opacity: 1;
}

.control-group input:focus,
.control-group select:focus,
.control-group textarea:focus {
    border-color: var(--pink-corp);
    box-shadow: 0 0 0 4px var(--pink-corp-light);
    outline: none;
}

.control-group select {
    appearance: none;
    background-image: url("image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 36px;
}

/* Botones de acción */
.action-buttons {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-top: var(--space-3);
    width: 100%;
}

.btn {
    padding: var(--space-3) var(--space-5);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 48px;
    min-width: 48px;
    text-decoration: none;
    position: relative;
    overflow: hidden;
    touch-action: manipulation;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
    pointer-events: none;
}

.btn:active::after {
    width: 300px;
    height: 300px;
    transition: 0s;
}

.btn-primary {
    background: var(--pink-gradient);
    color: #fff;
    box-shadow: 0 2px 4px rgba(190, 24, 93, 0.3), var(--shadow-sm);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--pink-corp-hover) 0%, #be185d 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(190, 24, 93, 0.4), var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    transition-duration: 0.05s;
}

.btn-silver {
    background: var(--silver);
    color: var(--text-primary);
    border: 1px solid var(--silver-dark);
}

.btn-silver:hover {
    background: var(--silver-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-green {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3), var(--shadow-sm);
}

.btn-green:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4), var(--shadow-md);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
    box-shadow: 0 2px 4px rgba(239, 68, 68, 0.3), var(--shadow-sm);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4), var(--shadow-md);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Botones de exportación */
.btn-export {
    background: var(--silver-light);
    color: var(--text-primary);
    border: 1px solid var(--silver);
    padding: var(--space-2) var(--space-4);
    font-size: 0.85rem;
}

.btn-export:hover {
    background: var(--silver);
    color: #fff;
}

.btn-export.excel:hover { background: #10b981; border-color: #10b981; }
.btn-export.pdf:hover { background: #ef4444; border-color: #ef4444; }

/* =========================================
   📋 TABLAS RESPONSIVE PROFESIONALES
   ========================================= */
.table-wrapper {
    background: var(--bg-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--silver);
    margin-bottom: var(--space-6);
}

.table-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
}

/* Scrollbar para tablas */
.table-scroll::-webkit-scrollbar {
    height: 8px;
}
.table-scroll::-webkit-scrollbar-track {
    background: var(--silver-light);
    border-radius: var(--radius-full);
}
.table-scroll::-webkit-scrollbar-thumb {
    background: var(--silver-dark);
    border-radius: var(--radius-full);
}
.table-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--silver-darker);
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    min-width: 800px;
    font-size: 0.9rem;
}

.data-table thead {
    background: linear-gradient(180deg, var(--silver-light) 0%, var(--silver) 100%);
    position: sticky;
    top: 0;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.data-table th {
    padding: var(--space-4) var(--space-3);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    text-align: left;
    border-bottom: 2px solid var(--silver-dark);
    white-space: nowrap;
    position: relative;
}

.data-table th::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--pink-gradient);
    opacity: 0;
    transition: var(--transition);
}

.data-table th:hover::after {
    opacity: 1;
}

.data-table td {
    padding: var(--space-4) var(--space-3);
    border-bottom: 1px solid var(--silver);
    vertical-align: middle;
    transition: var(--transition);
}

.data-table tbody tr {
    transition: var(--transition);
    background: var(--bg-white);
}

.data-table tbody tr:nth-child(even) {
    background: var(--bg-light);
}

.data-table tbody tr:hover {
    background: var(--pink-corp-light);
    transform: translateX(4px);
}

.data-table tbody tr:hover td {
    border-color: var(--pink-corp);
}

/* Badges de estado */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.25rem 0.7rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.status-disponible {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    color: #15803d;
    border: 1px solid #86efac;
}

.status-vendido {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #b91c1c;
    border: 1px solid #fca5a5;
}

/* Precios destacados */
.price {
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.95rem;
}

.price.sale {
    color: var(--pink-corp);
}

/* Acciones en tabla */
.table-actions {
    display: flex;
    gap: var(--space-2);
    justify-content: flex-end;
    flex-wrap: wrap;
}

.btn-action {
    padding: var(--space-2) var(--space-3);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-action.edit {
    background: var(--pink-corp-light);
    color: var(--pink-corp);
}
.btn-action.edit:hover {
    background: var(--pink-corp);
    color: #fff;
}

.btn-action.sell {
    background: #10b981;
    color: #fff;
}
.btn-action.sell:hover {
    background: #059669;
}

/* =========================================
   📄 PAGINACIÓN MODERNA
   ========================================= */
.pagination-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) 0;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.pagination-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.pagination {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    padding: var(--space-2) var(--space-3);
    background: var(--silver-light);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    min-width: 40px;
    text-align: center;
    border: 1px solid transparent;
}

.pagination a:hover {
    background: var(--silver);
    transform: translateY(-2px);
    border-color: var(--silver-dark);
}

.pagination .active {
    background: var(--pink-gradient);
    color: #fff;
    border-color: var(--pink-corp-hover);
    box-shadow: var(--shadow-glow);
    font-weight: 600;
}

.pagination .disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--silver-light);
}

/* =========================================
   🪟 MODALES CON ANIMACIONES PREMIUM
   ========================================= */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: -webkit-fill-available;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    padding-top: calc(var(--space-4) + var(--safe-top));
    padding-bottom: calc(var(--space-4) + var(--safe-bottom));
    animation: fadeIn 0.2s var(--ease-out);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-white);
    padding: var(--space-6);
    padding-top: var(--space-8);
    border-radius: var(--radius-2xl);
    width: 100%;
    max-width: 560px;
    max-height: calc(100vh - var(--space-8) - var(--safe-top) - var(--safe-bottom));
    overflow-y: auto;
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0, 0, 0, 0.05);
    animation: modalSlideUp 0.3s var(--ease-out);
    position: relative;
    border: 1px solid var(--silver);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: scale(0.97) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* Scrollbar para modales */
.modal-content::-webkit-scrollbar { width: 6px; }
.modal-content::-webkit-scrollbar-track { background: var(--silver-light); border-radius: var(--radius-full); }
.modal-content::-webkit-scrollbar-thumb {
    background: var(--silver-dark);
    border-radius: var(--radius-full);
}

.close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition);
    border: none;
    background: transparent;
    touch-action: manipulation;
}

.close:hover {
    background: var(--silver-light);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.close:focus-visible {
    outline: 2px solid var(--pink-corp);
    outline-offset: 2px;
}

/* Formularios dentro de modales */
.modal-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.form-group {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--silver);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: var(--transition);
    background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--pink-corp);
    box-shadow: 0 0 0 4px var(--pink-corp-light);
    outline: none;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
    font-family: var(--font-family);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-top: var(--space-1);
}

.btn-block {
    width: 100%;
    margin-top: var(--space-2);
}

/* =========================================
   🔔 ALERTAS Y NOTIFICACIONES
   ========================================= */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    font-size: 0.95rem;
    animation: slideInDown 0.3s var(--ease-out);
    border-left: 4px solid;
}

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

.alert-success {
    background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
    color: #065f46;
    border-color: #10b981;
}

.alert-error {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    color: #991b1b;
    border-color: #ef4444;
}

.alert-warning {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    color: #92400e;
    border-color: #f59e0b;
}

.alert-close {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    opacity: 0.7;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    transition: var(--transition);
    color: inherit;
}

.alert-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.05);
}

/* =========================================
   📱 RESPONSIVE BREAKPOINTS - LIMPIO Y EFECTIVO
   ========================================= */

/* Tablets grandes y laptops pequeñas */
@media (max-width: 1200px) {
    .sidebar { width: 260px; }
    .main { margin-left: 260px; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Tablets */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
}

/* 📱 MÓVILES - CORRECCIÓN DEFINITIVA DE SCROLL */
@media (max-width: 768px) {
    /* Mostrar botón hamburguesa */
    .menu-toggle { display: flex; }
    
    /* Sidebar oculto por defecto */
    .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
        width: 85vw;
        max-width: 300px;
        height: 100vh;
        height: -webkit-fill-available;
    }
    
    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }
    
    /* Overlay para cerrar sidebar */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(3px);
        z-index: calc(var(--z-sticky) - 1);
        opacity: 0;
        transition: opacity var(--transition);
    }
    
    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }
    
    /* ✅ CONTENIDO PRINCIPAL - SCROLL FUNCIONAL EN MÓVIL */
    .main {
        margin-left: 0 !important;
        padding: var(--space-3) !important;
        padding-top: calc(var(--space-3) + 70px + var(--safe-top)) !important;
        padding-bottom: calc(var(--space-3) + 120px + var(--safe-bottom)) !important;
        width: 100%;
        max-width: 100vw;
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        min-height: auto !important;
        height: auto !important;
        flex: none !important;
    }
    
    /* Controles en columna */
    .controls,
    .controls-panel {
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-3);
        margin: 0 calc(-1 * var(--space-3)) var(--space-4);
        width: calc(100% + calc(var(--space-3) * 2));
        border-radius: 0;
    }
    
    .controls-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2);
        margin-top: var(--space-3);
        width: 100%;
    }
    
    .action-buttons .btn {
        width: 100%;
        min-height: 48px;
    }
    
    /* Tarjetas de estadísticas - UNA COLUMNA */
    .stats-grid {
        grid-template-columns: 1fr !important;
        gap: var(--space-3);
        margin-bottom: var(--space-4);
    }
    
    .stat-card {
        padding: var(--space-4);
        width: 100%;
    }
    
    .stat-card .value {
        font-size: 1.75rem;
    }
    
    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 1.4rem;
    }
    
    /* Tablas */
    .table-wrapper {
        margin: 0 calc(-1 * var(--space-3));
        width: calc(100% + calc(var(--space-3) * 2));
        border-radius: 0;
        overflow-x: auto;
    }
    
    .table-scroll {
        padding-bottom: 1rem;
    }
    
    .data-table {
        font-size: 0.85rem;
        min-width: 600px;
    }
    
    .data-table th,
    .data-table td {
        padding: var(--space-3) var(--space-2);
    }
    
    /* Paginación */
    .pagination-wrapper {
        flex-direction: column;
        text-align: center;
        padding: var(--space-3) 0;
    }
    
    .pagination {
        justify-content: center;
    }
    
    /* Modales - Bottom sheet en móvil */
    .modal {
        padding: var(--space-2);
        padding-top: calc(var(--space-2) + var(--safe-top));
        padding-bottom: calc(var(--space-2) + var(--safe-bottom));
        align-items: flex-end;
    }
    
    .modal-content {
        padding: var(--space-5);
        max-width: 100%;
        margin: 0;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        max-height: 85vh;
    }
    
    /* ✅ FOOTER EN MÓVIL - POSICIONAMIENTO CORREGIDO */
    footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        padding: var(--space-3);
        padding-bottom: calc(var(--space-3) + var(--safe-bottom));
        text-align: center;
        background: var(--bg-white);
        border-top: 1px solid var(--silver);
        z-index: 999;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    }
    
    footer p {
        font-size: 0.7rem;
        margin: 0;
        line-height: 1.4;
        color: var(--text-secondary);
    }
}

/* 📱 Móviles pequeños (<480px) */
@media (max-width: 480px) {
    /* Tipografía escalable */
    h1 { font-size: 1.4rem; }
    h2 { font-size: 1.2rem; }
    
    /* Sidebar compacto */
    .sidebar {
        width: 100%;
        max-width: 300px;
    }
    
    .sidebar-logo-text {
        font-size: 1rem;
    }
    
    .sidebar-logo-text span {
        font-size: 0.65rem;
    }
    
    .nav-link {
        font-size: 0.9rem;
        padding: var(--space-3);
    }
    
    .nav-icon {
        font-size: 1rem;
    }
    
    /* Botón menú más grande para toque */
    .menu-toggle {
        width: 56px;
        height: 56px;
        font-size: 1.4rem;
    }
    
    /* Contenido principal */
    .main {
        padding: var(--space-2) !important;
        padding-top: calc(var(--space-2) + 65px + var(--safe-top)) !important;
        padding-bottom: calc(var(--space-2) + 130px + var(--safe-bottom)) !important;
    }
    
    /* Controles */
    .controls,
    .controls-panel {
        padding: var(--space-2);
    }
    
    .control-group input,
    .control-group select {
        padding: var(--space-3);
        font-size: 16px; /* Prevenir zoom en iOS */
    }
    
    /* Botones full width en móvil */
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .action-buttons {
        grid-template-columns: 1fr;
    }
    
    /* Tablas optimizadas para móvil */
    .data-table {
        font-size: 0.8rem;
        min-width: 550px;
    }
    
    .data-table th:nth-child(4),
    .data-table td:nth-child(4),
    .data-table th:nth-child(6),
    .data-table td:nth-child(6) {
        display: none;
    }
    
    .price {
        font-size: 0.9rem;
    }
    
    .status-badge {
        padding: 0.2rem 0.5rem;
        font-size: 0.7rem;
    }
    
    /* Paginación compacta */
    .pagination a,
    .pagination span {
        padding: var(--space-2);
        min-width: 36px;
        font-size: 0.85rem;
    }
    
    /* Modales */
    .modal {
        padding: var(--space-2);
    }
    
    .modal-content {
        padding: var(--space-4);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-3);
    }
    
    /* Footer ajustado */
    footer {
        padding: var(--space-2);
        padding-bottom: calc(var(--space-2) + var(--safe-bottom));
    }
    
    footer p {
        font-size: 0.65rem;
    }
}

/* 📱 Móviles muy pequeños (<360px) */
@media (max-width: 360px) {
    .sidebar-logo-text span {
        display: none;
    }
    
    .sidebar-user-name {
        font-size: 0.9rem;
    }
    
    .stat-card .value {
        font-size: 1.5rem;
    }
    
    .data-table {
        min-width: 500px;
    }
    
    .data-table th:nth-child(3),
    .data-table td:nth-child(3) {
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

/* =========================================
   📺 Soporte para pantallas ultra-anchas
   ========================================= */
@media (min-width: 1920px) {
    .main {
        padding: var(--space-10);
        padding-top: calc(var(--space-10) + var(--safe-top));
        padding-bottom: calc(var(--space-10) + var(--safe-bottom) + 60px);
    }
    
    .stat-card .value {
        font-size: 2.5rem;
    }
    
    .data-table {
        font-size: 1rem;
    }
}

/* =========================================
   ♿ ACCESIBILIDAD & USABILIDAD
   ========================================= */

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--pink-corp);
    outline-offset: 2px;
}

/* Skip link para accesibilidad */
.skip-link {
    position: absolute;
    top: -50px;
    left: var(--space-4);
    background: var(--pink-corp);
    color: #fff;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    z-index: calc(var(--z-modal) + 1);
    transition: top var(--transition);
    font-weight: 600;
}

.skip-link:focus {
    top: var(--space-4);
}

/* Reducir movimiento para usuarios con preferencia */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .stat-card,
    .nav-link,
    .btn,
    .modal-content {
        transform: none !important;
    }
}

/* Alto contraste para mejor visibilidad */
@media (prefers-contrast: high) {
    :root {
        --silver: #cbd5e1;
        --silver-dark: #64748b;
        --text-secondary: #475569;
    }
    
    .btn-primary,
    .btn-green,
    .btn-danger {
        box-shadow: none;
        border: 2px solid currentColor;
    }
}

/* =========================================
   🎨 UTILIDADES Y EFECTOS
   ========================================= */

/* Efecto de brillo al hover */
.hover-glow:hover {
    box-shadow: var(--pink-glow);
}

/* Texto truncado con ellipsis */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Centrado flexible */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Estado vacío */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 4rem;
    margin-bottom: var(--space-4);
    opacity: 0.5;
    display: block;
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.empty-state p {
    margin-bottom: var(--space-6);
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* Loader animado */
.loader {
    width: 40px;
    height: 40px;
    border: 4px solid var(--silver);
    border-top-color: var(--pink-corp);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin: var(--space-6) auto;
}

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

/* Badge de notificación */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--pink-corp);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

/* Tooltip simple */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--text-primary);
    color: #fff;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    white-space: nowrap;
    z-index: var(--z-tooltip);
    box-shadow: var(--shadow-lg);
    animation: fadeIn 0.2s var(--ease-out);
}

[data-tooltip]:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(2px);
    border: 6px solid transparent;
    border-top-color: var(--text-primary);
    z-index: var(--z-tooltip);
}

/* =========================================
   📱 SCROLL HORIZONTAL PARA TABLAS EN MÓVIL
   ========================================= */

   @media (max-width: 768px) {
    /* Contenedor de tablas con scroll horizontal */
    .table-wrapper {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        margin: 0 calc(-1 * var(--space-3));
        width: calc(100% + calc(var(--space-3) * 2));
        border-radius: 0;
    }
    
    .table-scroll {
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch !important;
        padding-bottom: 1rem;
    }
    
    /* Asegurar que las tablas tengan ancho mínimo */
    .data-table {
        min-width: 650px !important;
        width: 100% !important;
    }
    
    /* Indicador visual de scroll disponible */
    .table-wrapper::after {
        content: '← Desliza →';
        display: block;
        text-align: center;
        font-size: 0.75rem;
        color: var(--text-light);
        padding: 0.5rem;
        background: var(--bg-light);
        border-top: 1px solid var(--silver);
    }
}

/* =========================================
   🖨️ ESTILOS PARA IMPRESIÓN
   ========================================= */
@media print {
    .sidebar,
    .menu-toggle,
    .btn,
    .pagination,
    .controls,
    footer {
        display: none !important;
    }
    
    .main {
        margin: 0;
        padding: 0;
        background: #fff;
    }
    
    .table-wrapper {
        box-shadow: none;
        border: none;
    }
    
    .data-table {
        font-size: 10pt;
        min-width: auto;
    }
    
    .data-table th,
    .data-table td {
        border: 1px solid #000;
        padding: 4pt;
    }
    
    a {
        color: #000;
        text-decoration: none;
    }
}