/**
 * Main Styles for Interactive Org Chart
 * Responsive, accessible design with modern CSS features
 */

/* CSS Variables for consistent theming */
:root {
    /* Nueva Paleta de Colores - Modo Claro */
    /* Morado Azulado (40% - Color Principal) */
    --color-primary: #494a9f;
    --color-primary-light: #6b6bb5;
    --color-primary-dark: #373885;
    --color-primary-lighter: #9191cc;
    --color-primary-darker: #2a2b6b;
    
    /* Azul (30% - Color Secundario) */
    --color-secondary: #242a7c;
    --color-secondary-light: #3d4398;
    --color-secondary-dark: #1c2160;
    --color-secondary-lighter: #5d63b4;
    --color-secondary-darker: #151944;
    
    /* Celeste (10% - Color de Acento) */
    --color-accent: #6498e2;
    --color-accent-light: #85afe8;
    --color-accent-dark: #4a7bc9;
    --color-accent-lighter: #b3d1f0;
    --color-accent-darker: #3560a3;
    
    /* Amarillo (10% - Color de Énfasis) */
    --color-warning: #f9ba0b;
    --color-warning-light: #fac943;
    --color-warning-dark: #d49e09;
    --color-warning-lighter: #fde68a;
    --color-warning-darker: #b8870a;
    
    /* Estados y Utilidades */
    --color-success: #22c55e;
    --color-error: #ef4444;
    --color-info: var(--color-accent);
    --color-focus: var(--color-warning);
    
    /* Fondos - Modo Claro */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;
    --color-bg-quaternary: #e2e8f0;
    --color-bg-overlay: rgba(73, 74, 159, 0.15);
    --color-bg-card: #ffffff;
    --color-bg-surface: #f9fafb;
    --color-bg-selected: #eff6ff;
    --color-bg-hover: #f1f5f9;
    
    /* Textos - Modo Claro */
    --color-text-primary: #1e293b;
    --color-text-secondary: #475569;
    --color-text-muted: #64748b;
    --color-text-inverse: #ffffff;
    --color-text-accent: var(--color-primary);
    --color-text-on-primary: #ffffff;
    
    /* Bordes - Modo Claro */
    --color-border: #e2e8f0;
    --color-border-light: #e2e8f0;
    --color-border-medium: #cbd5e1;
    --color-border-dark: #94a3b8;
    --color-border-primary: var(--color-primary);
    --color-border-accent: var(--color-accent);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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;
    
    /* Line heights */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Shadows con Colores de la Nueva Paleta */
    --shadow-sm: 0 1px 2px 0 rgba(73, 74, 159, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(73, 74, 159, 0.12), 0 2px 4px -1px rgba(36, 42, 124, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(73, 74, 159, 0.15), 0 4px 6px -2px rgba(36, 42, 124, 0.10);
    --shadow-xl: 0 20px 25px -5px rgba(73, 74, 159, 0.18), 0 10px 10px -5px rgba(36, 42, 124, 0.12);
    --shadow-primary: 0 4px 14px 0 rgba(73, 74, 159, 0.25);
    --shadow-accent: 0 4px 14px 0 rgba(100, 152, 226, 0.25);
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Z-indexes */
    --z-dropdown: 1000;
    --z-modal: 1050;
    --z-tooltip: 1070;
}

/* ======================================
   DARK THEME - Solo cuando se establece explícitamente
   ====================================== */
[data-theme="dark"] {
    /* Fondos - Modo Oscuro */
    --color-bg-primary: #0f172a !important;
    --color-bg-secondary: #1e293b !important;
    --color-bg-tertiary: #334155 !important;
    --color-bg-quaternary: #475569 !important;
    --color-bg-overlay: rgba(73, 74, 159, 0.25) !important;
    --color-bg-card: #1e293b !important;
    --color-bg-surface: #0f172a !important;
    --color-bg-selected: #1e293b !important;
    --color-bg-hover: #334155 !important;
    
    /* Textos - Modo Oscuro */
    --color-text-primary: #f8fafc !important;
    --color-text-secondary: #cbd5e1 !important;
    --color-text-tertiary: #94a3b8 !important;
    --color-text-muted: #94a3b8 !important;
    --color-text-inverse: #1e293b !important;
    --color-text-accent: var(--color-accent-light) !important;
    --color-text-on-primary: #ffffff !important;
    
    /* Bordes - Modo Oscuro */
    --color-border: #334155;
    --color-border-light: #334155;
    --color-border-medium: #475569;
    --color-border-dark: #64748b;
    --color-border-primary: var(--color-primary-light);
    --color-border-accent: var(--color-accent-light);
    
    /* Estados - Modo Oscuro */
    --color-focus: var(--color-warning-light);
    
    /* Sombras - Modo Oscuro */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(73, 74, 159, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(73, 74, 159, 0.25);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.7), 0 10px 10px -5px rgba(73, 74, 159, 0.3);
    --shadow-primary: 0 4px 14px 0 rgba(73, 74, 159, 0.5);
    --shadow-accent: 0 4px 14px 0 rgba(100, 152, 226, 0.5);
}

/* ======================================
   LIGHT THEME - Forzar modo claro cuando se establece explícitamente
   ====================================== */
[data-theme="light"] {
    /* Asegurar que el modo claro se aplique correctamente */
    --color-bg-primary: #ffffff !important;
    --color-bg-secondary: #f8fafc !important;
    --color-bg-tertiary: #f1f5f9 !important;
    --color-bg-quaternary: #e2e8f0 !important;
    --color-bg-overlay: rgba(73, 74, 159, 0.15) !important;
    --color-bg-card: #ffffff !important;
    --color-bg-surface: #f9fafb !important;
    --color-bg-selected: #eff6ff !important;
    --color-bg-hover: #f1f5f9 !important;
    
    /* Textos - Modo Claro */
    --color-text-primary: #1e293b !important;
    --color-text-secondary: #64748b !important;
    --color-text-tertiary: #94a3b8 !important;
    --color-text-muted: #94a3b8 !important;
    --color-text-inverse: #ffffff !important;
    --color-text-accent: var(--color-accent) !important;
    --color-text-on-primary: #ffffff !important;
    
    /* Bordes - Modo Claro */
    --color-border: #e2e8f0;
    --color-border-light: #e2e8f0;
    --color-border-medium: #cbd5e1;
    --color-border-dark: #94a3b8;
    --color-border-primary: var(--color-primary);
    --color-border-accent: var(--color-accent);
    
    /* Estados - Modo Claro */
    --color-focus: var(--color-warning);
    
    /* Sombras - Modo Claro */
    --shadow-sm: 0 1px 2px 0 rgba(73, 74, 159, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(73, 74, 159, 0.12), 0 2px 4px -1px rgba(36, 42, 124, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(73, 74, 159, 0.15), 0 4px 6px -2px rgba(36, 42, 124, 0.10);
    --shadow-xl: 0 20px 25px -5px rgba(73, 74, 159, 0.18), 0 10px 10px -5px rgba(36, 42, 124, 0.12);
    --shadow-primary: 0 4px 14px 0 rgba(73, 74, 159, 0.25);
    --shadow-accent: 0 4px 14px 0 rgba(100, 152, 226, 0.25);
}



/* Reset and base styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

/* Smooth theme transitions */
*,
*::before,
*::after {
    transition: 
        background-color var(--transition-normal),
        border-color var(--transition-normal),
        color var(--transition-normal),
        fill var(--transition-normal),
        stroke var(--transition-normal),
        box-shadow var(--transition-normal);
}

html {
    height: 100%;
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    height: 100%;
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-sm) var(--spacing-md);
    text-decoration: none;
    border-radius: var(--radius-md);
    z-index: var(--z-modal);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Focus styles */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover, a:focus {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Layout */
.main {
    display: flex;
    min-height: calc(100vh - 80px);
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 70%, var(--color-accent) 100%);
    border-bottom: 1px solid var(--color-border-primary);
    box-shadow: var(--shadow-primary);
    position: sticky;
    top: 0;
    z-index: var(--z-dropdown);
    backdrop-filter: blur(10px);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    max-width: 1800px;
    margin: 0 auto;
    gap: var(--spacing-lg);
}

.header-brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.header-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-on-primary);
    margin-bottom: 0;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.header-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-on-primary);
    margin-bottom: 0;
    opacity: 0.9;
    font-weight: 500;
}

.department-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-left: auto;
}

.department-selector label {
    color: var(--color-text-on-primary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.department-select {
    min-width: 200px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.department-select:focus {
    border-color: var(--color-warning);
    box-shadow: 0 0 0 3px rgba(249, 186, 11, 0.3), var(--shadow-md);
    background: rgba(255, 255, 255, 1);
}

.department-select:hover {
    background: rgba(255, 255, 255, 1);
    border-color: var(--color-accent);
    transform: translateY(-1px);
}



.control-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.control-label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.control-select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-sm);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
    min-width: 120px;
}

/* Sidebar */
.sidebar {
    width: 320px;
    flex-shrink: 0;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
    height: fit-content;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    border: 1px solid var(--color-border-light);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
}

.section-title i {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
}

/* Search Section */
.search-section {
    margin-bottom: var(--spacing-2xl);
}

.search-container {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.search-input {
    width: 100%;
    padding: var(--spacing-md);
    padding-right: 2.5rem;
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: var(--color-bg-surface);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.search-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(100, 152, 226, 0.15), var(--shadow-md);
    background: var(--color-bg-primary);
    transform: translateY(-1px);
}

.search-input:hover {
    border-color: var(--color-border-medium);
    box-shadow: var(--shadow-md);
}

.search-clear-btn {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.search-clear-btn:hover,
.search-clear-btn:focus {
    color: var(--color-text-primary);
    background: var(--color-bg-tertiary);
}

.search-help {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-sm);
}

.search-results {
    max-height: 200px;
    overflow-y: auto;
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-text-on-primary);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-secondary));
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-secondary {
    background: var(--color-bg-surface);
    color: var(--color-text-primary);
    border-color: var(--color-border-accent);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-accent-lighter);
    border-color: var(--color-accent);
    transform: translateY(-1px);
    box-shadow: var(--shadow-accent);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-outline:hover:not(:disabled) {
    background: var(--color-accent);
    color: var(--color-text-on-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-accent);
}

.btn-link {
    background: transparent;
    color: var(--color-primary);
    border: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    text-decoration: underline;
}

.btn-link:hover:not(:disabled) {
    color: var(--color-primary-dark);
}

/* Chart Container */
.chart-container {
    flex: 1;
    background: linear-gradient(145deg, var(--color-bg-secondary) 0%, var(--color-bg-surface) 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    min-height: 600px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border-light);
    position: relative;
    overflow: hidden;
}

.chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-warning));
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-primary);
    position: relative;
}

.chart-header::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background: var(--color-accent);
    border-radius: 2px;
}

.chart-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.chart-controls {
    display: flex;
    gap: var(--spacing-sm);
}

.chart-svg-container {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-md);
    background: #1e293b; /* Dark background for SVG container */
}

.org-chart-svg {
    width: 100%;
    height: 100%;
    min-height: 500px;
    cursor: grab;
}

.org-chart-svg:active {
    cursor: grabbing;
}

/* Loading and Empty States */
.loading-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    height: 400px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border-light);
    border-top: 4px solid var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    margin-bottom: 0;
}

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    text-align: center;
}

.empty-state-content {
    max-width: 300px;
}

.empty-state-content i {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.empty-state-content h3 {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-content p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* Help Button */
.help-btn {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    z-index: var(--z-tooltip);
}

.help-btn:hover,
.help-btn:focus {
    background: var(--color-primary-dark);
    transform: scale(1.1);
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

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

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

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

.font-weight-bold {
    font-weight: 600;
}

.font-weight-normal {
    font-weight: 400;
}

.text-muted {
    color: var(--color-text-muted);
}

.text-primary {
    color: var(--color-primary);
}

.text-secondary {
    color: var(--color-text-secondary);
}

/* Print styles */
@media print {
    .sidebar,
    .header,
    .help-btn,
    .chart-controls {
        display: none !important;
    }
    
    .main {
        padding: 0;
    }
    
    .chart-container {
        box-shadow: none;
        border: 1px solid #000;
    }
}