/* ============================================
   LOHMIA CORE CSS - SISTEMA DE DISEÑO UNIFICADO
   Versión: 1.0.0
   Autor: Sistema Lohmia
   Fecha: 2025-10-16
   
   USO: Vincular en todas las páginas HTML:
   <link rel="stylesheet" href="/css/lohmia-core.css">
   ============================================ */

/* ============================================
   1. VARIABLES CSS - FUENTE ÚNICA DE VERDAD
   ============================================ */
:root {
    /* ===== COLORES PRIMARIOS ===== */
    /* Cian: Color principal de marca Lohmia */
    --lohmia-cyan: #00BCD4;
    --lohmia-cyan-hover: #00ACC1;
    --lohmia-cyan-light: #E0F7FA;
    --lohmia-cyan-dark: #0097A7;
    
    /* Morado: Color secundario del ecosistema */
    --lohmia-purple: #667eea;
    --lohmia-purple-dark: #764ba2;
    
    /* ===== ESTADOS Y FEEDBACK ===== */
    --lohmia-success: #4CAF50;
    --lohmia-success-light: #d4edda;
    --lohmia-success-dark: #155724;
    
    --lohmia-error: #ff4757;
    --lohmia-error-light: #f8d7da;
    --lohmia-error-dark: #721c24;
    
    --lohmia-warning: #FFC107;
    --lohmia-info: #2196F3;
    --lohmia-info-light: #d1ecf1;
    --lohmia-info-dark: #0c5460;
    
    /* ===== GRISES (Neutrales) ===== */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* ===== TEXTO ===== */
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #9ca3af;
    --text-white: #ffffff;
    
    /* ===== FONDOS ===== */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-light: #f5f5f5;
    --bg-gray: #f8f9fa;
    --bg-dark: #0A1A1A;
    
    /* ===== BORDES ===== */
    --border-light: #e0e0e0;
    --border-medium: #d1d5db;
    --border-dark: #9ca3af;
    
    /* ===== GRADIENTES ===== */
    /* Gradiente principal: Fondo morado característico */
    --gradient-bg: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* Gradiente cian: Para botones y elementos principales */
    --gradient-cyan: linear-gradient(135deg, #00FFFF 0%, #00A8E8 100%);
    --gradient-cyan-button: linear-gradient(135deg, #00E5FF 0%, #00B8D4 50%, #0097A7 100%);
    
    /* Gradiente morado: Para botones secundarios */
    --gradient-purple: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    
    /* ===== TIPOGRAFÍA ===== */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Tamaños de fuente */
    --text-xs: 11px;
    --text-sm: 13px;
    --text-base: 15px;
    --text-md: 16px;
    --text-lg: 18px;
    --text-xl: 20px;
    --text-2xl: 24px;
    --text-3xl: 26px;
    --text-4xl: 30px;
    
    /* Pesos de fuente */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    
    /* Altura de línea */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;
    
    /* ===== ESPACIADO ===== */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 40px;
    --space-3xl: 48px;
    
    /* ===== BORDES REDONDEADOS ===== */
    --radius-sm: 8px;
    --radius-md: 10px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 20px;
    --radius-3xl: 24px;
    --radius-full: 9999px;
    
    /* ===== SOMBRAS ===== */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
    --shadow-cyan: 0 6px 20px rgba(0, 229, 255, 0.35);
    --shadow-purple: 0 8px 20px rgba(102, 126, 234, 0.4);
    
    /* ===== TRANSICIONES ===== */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--text-primary);
    line-height: var(--leading-normal);
    background: var(--gradient-bg);
}

/* ============================================
   3. COMPONENTES REUTILIZABLES
   ============================================ */

/* ===== CONTENEDORES ===== */
.lohmia-container {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    max-width: 480px;
    width: 100%;
    box-shadow: var(--shadow-xl);
    animation: fadeInScale 0.4s ease;
}

.lohmia-container-lg {
    max-width: 580px;
}

.lohmia-container-wizard {
    max-width: 580px;
    border-radius: var(--radius-3xl);
    padding: 0;
    overflow: hidden;
}

/* ===== ANIMACIONES ===== */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ===== HEADERS ===== */
.lohmia-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.lohmia-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-lg);
    background: var(--gradient-purple);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.lohmia-icon-cyan {
    background: var(--gradient-cyan);
}

.lohmia-title {
    color: var(--text-primary);
    font-size: var(--text-3xl);
    margin-bottom: var(--space-sm);
    font-weight: var(--font-bold);
}

.lohmia-subtitle {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* ===== INPUTS ===== */
.lohmia-input-group {
    margin-bottom: var(--space-lg);
}

.lohmia-label {
    display: block;
    color: var(--text-primary);
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-sm);
    font-size: var(--text-sm);
}

.lohmia-input {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: all var(--transition-base);
    font-family: inherit;
    background: var(--bg-primary);
}

.lohmia-input:focus {
    outline: none;
    border-color: var(--lohmia-cyan);
    box-shadow: 0 0 0 3px rgba(0, 188, 212, 0.1);
}

.lohmia-input::placeholder {
    color: var(--gray-400);
}

.lohmia-input:disabled {
    background: var(--bg-light);
    cursor: not-allowed;
    opacity: 0.6;
}

/* ===== BOTONES ===== */
.lohmia-btn {
    width: 100%;
    padding: 14px 28px;
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    font-weight: var(--font-semibold);
    cursor: pointer;
    transition: all var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    text-decoration: none;
}

/* Botón primario (Cian) */
.lohmia-btn-primary {
    background: var(--gradient-cyan-button);
    color: var(--text-white);
    box-shadow: var(--shadow-cyan);
}

.lohmia-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 12px 28px rgba(0, 229, 255, 0.45);
}

.lohmia-btn-primary:active:not(:disabled) {
    transform: translateY(0) scale(0.98);
}

/* Botón secundario (Morado) */
.lohmia-btn-secondary {
    background: var(--gradient-purple);
    color: var(--text-white);
    box-shadow: var(--shadow-purple);
}

.lohmia-btn-secondary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(102, 126, 234, 0.5);
}

.lohmia-btn-secondary:active:not(:disabled) {
    transform: translateY(0);
}

/* Botón outline */
.lohmia-btn-outline {
    background: var(--bg-primary);
    color: var(--text-secondary);
    border: 2px solid var(--border-medium);
    box-shadow: var(--shadow-sm);
}

.lohmia-btn-outline:hover:not(:disabled) {
    background: var(--bg-secondary);
    border-color: var(--gray-400);
    transform: translateY(-1px);
}

/* Estado disabled */
.lohmia-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ===== MENSAJES DE FEEDBACK ===== */
.lohmia-message {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    font-size: var(--text-sm);
    display: none;
    animation: slideDown 0.3s ease;
    line-height: var(--leading-normal);
}

.lohmia-message.show {
    display: block;
}

.lohmia-message-success {
    background: var(--lohmia-success-light);
    color: var(--lohmia-success-dark);
    border: 1px solid #c3e6cb;
}

.lohmia-message-error {
    background: var(--lohmia-error-light);
    color: var(--lohmia-error-dark);
    border: 1px solid #f5c6cb;
}

.lohmia-message-info {
    background: var(--lohmia-info-light);
    color: var(--lohmia-info-dark);
    border: 1px solid #bee5eb;
}

/* ===== ENLACES ===== */
.lohmia-links {
    text-align: center;
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
}

.lohmia-link {
    color: var(--lohmia-cyan);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    transition: all var(--transition-fast);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
}

.lohmia-link:hover {
    color: var(--lohmia-cyan-dark);
    background: rgba(0, 188, 212, 0.05);
}

.lohmia-link-purple {
    color: var(--lohmia-purple);
}

.lohmia-link-purple:hover {
    color: var(--lohmia-purple-dark);
    background: rgba(102, 126, 234, 0.05);
}

/* Separador visual opcional (oculto por defecto) */
.lohmia-separator {
    color: var(--gray-300);
    user-select: none;
}

/* Ocultar separador en móvil */
@media (max-width: 480px) {
    .lohmia-separator {
        display: none;
    }
    
    .lohmia-links {
        flex-direction: row;
        gap: var(--space-xs);
    }
    
    .lohmia-link {
        flex: 1;
        text-align: center;
        min-width: 120px;
    }
}

/* ===== CENTRADO VERTICAL ===== */
.lohmia-center {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* ============================================
   4. UTILIDADES
   ============================================ */

/* Espaciado */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* Texto */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }

.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* Colores */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-cyan { color: var(--lohmia-cyan); }
.text-purple { color: var(--lohmia-purple); }

/* ============================================
   5. RESPONSIVE
   ============================================ */
@media (max-width: 600px) {
    .lohmia-container {
        padding: var(--space-xl) var(--space-lg);
        border-radius: var(--radius-xl);
    }
    
    .lohmia-title {
        font-size: var(--text-xl);
    }
    
    .lohmia-icon {
        width: 70px;
        height: 70px;
        font-size: 35px;
    }
    
    .lohmia-links {
        padding-top: var(--space-md);
        margin-top: var(--space-md);
        gap: var(--space-xs);
    }
    
    .lohmia-link {
        padding: var(--space-sm);
        font-size: 12px;
    }
    
    .lohmia-btn {
        padding: 12px 20px;
        font-size: var(--text-sm);
    }
}

@media (max-width: 400px) {
    .lohmia-center {
        padding: 0;
    }
    
    .lohmia-container {
        border-radius: 0;
        min-height: 100vh;
    }
}

/* ============================================
   FIN DE LOHMIA CORE CSS
   ============================================ */


/* ═══════════════════════════════════════════════════════════════
   CENTRADO CHAT WEB - Alineado con input
   ═══════════════════════════════════════════════════════════════ */
@media (min-width: 769px) {
    .chat-container {
        transform: translateX(5px) !important;
    }