/* ============================================================================
   TECHSSPTY DESIGN SYSTEM v1.0 - FUENTE DE VERDAD VISUAL ÚNICA
   Última actualización: Enero 2026
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ============================================================================
   1. VARIABLES CSS - PALETA DE COLORES Y TIPOGRAFÍAS
   ============================================================================ */

:root {
    /* *** PALETA DE COLORES CORPORATIVA *** */
    
    /* Primarios */
    --clr-primary: #2563eb;
    --clr-primary-dark: #1e40af;
    --clr-primary-light: #3b82f6;
    --clr-primary-bg: #eff6ff;
    
    /* Secundarios */
    --clr-secondary: #8b5cf6;
    --clr-secondary-dark: #7c3aed;
    --clr-secondary-light: #a78bfa;
    
    /* Estados */
    --clr-success: #10b981;
    --clr-warning: #f59e0b;
    --clr-danger: #ef4444;
    --clr-info: #06b6d4;
    
    /* Tonos neutros */
    --clr-neutral-50: #f9fafb;
    --clr-neutral-100: #f3f4f6;
    --clr-neutral-200: #e5e7eb;
    --clr-neutral-300: #d1d5db;
    --clr-neutral-400: #9ca3af;
    --clr-neutral-500: #6b7280;
    --clr-neutral-600: #4b5563;
    --clr-neutral-700: #374151;
    --clr-neutral-800: #1f2937;
    --clr-neutral-900: #111827;
    
    /* Alias semánticos */
    --clr-bg-primary: #ffffff;
    --clr-bg-secondary: #f9fafb;
    --clr-bg-tertiary: #f3f4f6;
    --clr-text-primary: #111827;
    --clr-text-secondary: #6b7280;
    --clr-text-tertiary: #9ca3af;
    --clr-border: #e5e7eb;
    --clr-border-focus: #2563eb;
    --clr-overlay: rgba(0, 0, 0, 0.5);
    
    /* Legacy compatibility */
    --color-primary: #3B82F6;
    --color-primary-dark: #1D4ED8;
    --color-primary-light: #EFF6FF;
    --bg-body: #F1F5F9;
    --bg-surface: #FFFFFF;
    --text-main: #0F172A;
    --text-secondary: #64748B;
    --border-color: #E2E8F0;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #0EA5E9;
    
    /* *** TIPOGRAFÍAS *** */
    --font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
    --font-family-mono: 'Menlo', 'Monaco', 'Courier New', monospace;
    
    --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;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Legacy compatibility */
    --font-family-base: 'Inter', 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-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* *** ESPACIADO *** */
    --spacing-0: 0;
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    
    /* Legacy compatibility */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    
    /* *** RADIOS *** */
    --radius-sm: 0.375rem;
    --radius-base: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Legacy compatibility */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    
    /* *** SOMBRAS *** */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* *** TRANSICIONES *** */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
    
    /* Legacy compatibility */
    --focus-ring: 0 0 0 2px var(--bg-surface), 0 0 0 4px var(--color-primary);
}

/* Base Styles Validation */
body {
    font-family: var(--font-family-base);
    background-color: var(--clr-bg-secondary);
    color: var(--clr-text-primary);
    font-size: var(--font-size-base);
    line-height: 1.5;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-bold);
    color: var(--text-main);
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* Buttons Base */
.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* Card Base */
.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-4);
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-4);
    font-weight: var(--font-weight-medium);
    color: var(--text-main);
}

.card-body {
    padding: var(--space-4);
    color: var(--text-secondary);
}

/* --- BUTTONS --- */
.btn {
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    transition: all 0.2s ease-in-out;
}

.btn:focus {
    box-shadow: var(--focus-ring);
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-secondary {
    background-color: var(--bg-surface);
    border-color: var(--border-color);
    color: var(--text-secondary);
}

.btn-secondary:hover {
    background-color: var(--bg-body);
    border-color: var(--text-secondary);
    color: var(--text-main);
}

.btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: #ffffff;
}

/* Icon Buttons */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
}

/* --- FORMS --- */
.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-main);
    margin-bottom: var(--space-2);
}

.form-control,
.form-select {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: var(--font-size-sm);
    color: var(--text-main);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    outline: 0;
    box-shadow: var(--focus-ring);
}

.form-control::placeholder {
    color: #94a3b8;
    /* Slate 400 */
}

/* --- BADGES --- */
.badge {
    padding: 0.35em 0.65em;
    font-weight: var(--font-weight-medium);
    font-size: 0.75em;
    border-radius: var(--radius-full);
}

.bg-success-soft {
    background-color: #d1fae5;
    /* Emerald 100 */
    color: #065f46;
    /* Emerald 800 */
}

.bg-warning-soft {
    background-color: #fef3c7;
    /* Amber 100 */
    color: #92400e;
    /* Amber 800 */
}

.bg-danger-soft {
    background-color: #fee2e2;
    /* Red 100 */
    color: #991b1b;
    /* Red 800 */
}

.bg-info-soft {
    background-color: #e0f2fe;
    /* Sky 100 */
    color: #075985;
    /* Sky 800 */
}

/* --- TABLES --- */
.table {
    width: 100%;
    margin-bottom: 0;
    vertical-align: top;
    border-color: var(--border-color);
}

.table> :not(caption)>*>* {
    padding: 1rem 1rem;
    background-color: transparent;
    border-bottom-width: 1px;
    box-shadow: inset 0 0 0 9999px transparent;
}

.table>thead {
    vertical-align: bottom;
    background-color: var(--bg-body);
}

.table>thead>tr>th {
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.table-hover>tbody>tr:hover {
    background-color: var(--bg-body);
}

/* --- ALERTS --- */
.alert {
    border: 0;
    border-radius: var(--radius-md);
    padding: 1rem;
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

/* --- LAYOUT UTILITIES --- */
/* Sidebar */
.sidebar {
    width: 260px;
    background-color: #0f172a;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transition: all 0.3s;
    display: flex;
    /* Ensure flex behavior */
    flex-direction: column;
    overflow: hidden;
    /* Prevent body scroll trigger */
}

.sidebar .logo {
    height: 64px;
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-menu {
    list-style: none;
    padding: 1rem 0;
    margin: 0;
    flex: 1;
    overflow-y: auto;
    /* Custom Scrollbar */
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
}

.sidebar-menu::-webkit-scrollbar {
    width: 6px;
}

.sidebar-menu::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-menu::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
}

.sidebar-menu .header-menu {
    color: #64748b;
    /* Slate 500 */
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    padding: 0.75rem 1.5rem 0.5rem;
    letter-spacing: 0.05em;
}

.sidebar-menu li a {
    color: #cbd5e1;
    /* Slate 300 */
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active,
.sidebar-menu li.active-item a {
    color: #ffffff;
    background-color: var(--color-primary);
    border-left-color: #ffffff;
}

.sidebar-menu li.active-item a i {
    color: #ffffff;
}

.sidebar-menu li a i {
    width: 24px;
    margin-right: 0.75rem;
    text-align: center;
    color: #94a3b8;
    /* Slate 400 */
}

.sidebar-menu li a:hover i,
.sidebar-menu li a.active i {
    color: var(--color-primary);
}

/* Main Content Wrapper */
.main-content {
    margin-left: 260px;
    padding: 0;
    min-height: 100vh;
    background-color: var(--bg-body);
    transition: all 0.3s;
}

/* Topbar */
.topbar {
    height: 64px;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 90;
}