/* ========================================
   MAIN.CSS - VARIABLES Y BASE DEL SISTEMA
   ======================================== */

:root {
    /* Colores primarios */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --primary-alpha: rgba(37, 99, 235, 0.1);
    
    /* Colores secundarios */
    --secondary: #7c3aed;
    --secondary-dark: #6d28d9;
    --secondary-light: #a78bfa;
    --secondary-alpha: rgba(124, 58, 237, 0.1);
    
    /* Colores de estado */
    --success: #10b981;
    --success-light: #d1fae5;
    --success-dark: #059669;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --danger-dark: #dc2626;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --warning-dark: #d97706;
    --info: #3b82f6;
    --info-light: #dbeafe;
    --info-dark: #2563eb;
    
    /* Escala de grises */
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Sombras */
    --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);
    
    /* Bordes */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Layout */
    --header-height: 64px;
    --sidebar-width: 16rem;
    --sidebar-collapsed: 5rem;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--gray-50);
    color: var(--gray-700);
    line-height: 1.5;
}

/* ===== UTILIDADES ===== */
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.hidden { display: none !important; }

.bg-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.bg-primary-alpha { background-color: var(--primary-alpha); }
.bg-success-light { background-color: var(--success-light); }
.bg-danger-light { background-color: var(--danger-light); }
.bg-warning-light { background-color: var(--warning-light); }
.bg-info-light { background-color: var(--info-light); }

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

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

@keyframes fadeInRow {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeIn 0.2s ease-out; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

/* ===== LAYOUT PRINCIPAL ===== */
.app-container {
    display: flex;
    min-height: calc(100vh - var(--header-height));
    margin-top: var(--header-height);
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 1rem;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: var(--gray-50);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.main-content.expanded {
    margin-left: var(--sidebar-collapsed);
}

/* Para la vista de punto de venta, eliminamos el padding extra */
.main-content.pos-view {
    padding: 0;
}

/* Para otras vistas, mantenemos el padding normal */
.main-content:not(.pos-view) {
    padding: 1.5rem;
}