/* ============================================
   CRUZ INTELLIGENCE - Estilos Principales
   Diseño Responsive: Mobile, Tablet, Desktop
   ============================================ */

/* ============================================
   VARIABLES CSS
   ============================================ */
:root {
    /* Colores corporativos */
    --color-primary: #1E3A8A;
    --color-primary-dark: #152962;
    --color-primary-light: #2d4db8;
    --color-secondary: #3B82F6;
    --color-accent: #F59E0B;
    --color-accent-dark: #D97706;
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #06B6D4;
    --color-dark: #0F172A;
    --color-light: #F8FAFC;
    --color-gray: #64748B;
    --color-gray-light: #E2E8F0;
    --color-gray-dark: #334155;
    
    /* Tipografía */
    --font-primary: 'Inter', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    
    /* Espaciado */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Bordes */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

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

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-light);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   CONTENEDOR
   ============================================ */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 1200px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* ============================================
   BARRA DE MERCADO (TICKER)
   ============================================ */
.market-ticker {
    background: linear-gradient(90deg, var(--color-dark) 0%, var(--color-primary) 100%);
    color: white;
    padding: var(--spacing-xs) 0;
    overflow: hidden;
    position: relative;
    font-size: 0.85rem;
    border-bottom: 2px solid var(--color-accent);
}

.ticker-wrapper {
    display: flex;
    overflow: hidden;
}

.ticker-content {
    display: flex;
    gap: var(--spacing-xl);
    animation: ticker 60s linear infinite;
    white-space: nowrap;
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.ticker-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md);
}

.ticker-item .symbol {
    font-weight: 700;
    color: var(--color-accent);
}

.ticker-item .price {
    font-weight: 600;
}

.ticker-item.positive .change {
    color: var(--color-success);
}

.ticker-item.negative .change {
    color: var(--color-danger);
}

/* ============================================
   HEADER PRINCIPAL
   ============================================ */
.main-header {
    background: white;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    gap: var(--spacing-md);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-shrink: 0;
}

.logo img {
    height: 45px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-title {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 2px;
}

/* Navegación */
.main-nav ul {
    display: none;
    gap: var(--spacing-xs);
}

@media (min-width: 1024px) {
    .main-nav ul {
        display: flex;
    }
}

.main-nav a {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-gray-dark);
    transition: var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
    background: var(--color-primary);
    color: white;
}

.main-nav a.vip-link {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: white;
    font-weight: 700;
}

.main-nav a.vip-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Acciones del header */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn-login {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-login:hover {
    background: var(--color-primary);
    color: white;
}

.btn-register {
    background: var(--color-accent);
    color: white;
    border: 2px solid var(--color-accent);
}

.btn-register:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
}

/* Menú usuario */
.user-menu {
    position: relative;
}

.user-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-light);
    border-radius: var(--border-radius-full);
    font-weight: 600;
    color: var(--color-primary);
    border: 2px solid var(--color-gray-light);
}

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

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-sm);
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 250px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
    z-index: var(--z-dropdown);
    overflow: hidden;
}

.user-menu:hover .user-dropdown,
.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
}

.user-info strong {
    display: block;
    font-size: 1rem;
}

.user-type-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--border-radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    margin-top: 4px;
}

.user-type-badge.free { background: var(--color-gray); color: white; }
.user-type-badge.registered { background: var(--color-info); color: white; }
.user-type-badge.vip { 
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%); 
    color: white; 
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-dark);
    font-size: 0.9rem;
}

.user-dropdown a:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

.user-dropdown hr {
    border: none;
    border-top: 1px solid var(--color-gray-light);
    margin: var(--spacing-xs) 0;
}

.user-dropdown .logout-link {
    color: var(--color-danger);
}

.user-dropdown .logout-link:hover {
    background: #fee2e2;
}

/* Botón menú móvil */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--border-radius-md);
    font-size: 1.2rem;
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* Menú móvil */
.mobile-menu {
    display: none;
    background: white;
    border-top: 1px solid var(--color-gray-light);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.mobile-menu.active {
    display: block;
    max-height: 600px;
}

.mobile-menu ul {
    padding: var(--spacing-md);
}

.mobile-menu li {
    border-bottom: 1px solid var(--color-gray-light);
}

.mobile-menu a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    color: var(--color-dark);
    font-weight: 500;
}

.mobile-menu a:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

/* ============================================
   MENSAJES FLASH
   ============================================ */
.flash-message {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: var(--z-popover);
    animation: slideDown 0.3s ease;
    max-width: 90%;
}

@keyframes slideDown {
    from { opacity: 0; transform: translate(-50%, -20px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

.flash-success { background: #d1fae5; color: #065f46; border-left: 4px solid var(--color-success); }
.flash-error { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--color-danger); }
.flash-warning { background: #fef3c7; color: #92400e; border-left: 4px solid var(--color-warning); }
.flash-info { background: #dbeafe; color: #1e40af; border-left: 4px solid var(--color-info); }

.flash-close {
    margin-left: auto;
    color: inherit;
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
}

/* ============================================
   CONTENIDO PRINCIPAL
   ============================================ */
.main-content {
    min-height: calc(100vh - 400px);
    padding: var(--spacing-xl) 0;
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) 0 var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer-section h4 {
    font-family: var(--font-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: #cbd5e1;
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-accent);
    padding-left: 5px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 60px;
}

.footer-logo h3 {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    color: var(--color-accent);
}

.footer-author {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-top: var(--spacing-md);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--border-radius-full);
    color: white;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-legal p {
    font-size: 0.85rem;
    color: #94a3b8;
    margin-bottom: var(--spacing-xs);
}

.disclaimer {
    font-size: 0.75rem;
    color: #64748B;
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   BOTÓN VOLVER ARRIBA
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: white;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent);
    transform: translateY(-5px);
}

/* ============================================
   UTILIDADES
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }
.text-muted { color: var(--color-gray); }

.positive { color: var(--color-success); }
.negative { color: var(--color-danger); }
.neutral { color: var(--color-gray); }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

.hidden { display: none; }
.visible { display: block; }

/* ============================================
   RESPONSIVE: TABLET
   ============================================ */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .logo-title {
        font-size: 1.2rem;
    }
    
    .logo-subtitle {
        font-size: 0.6rem;
    }
    
    .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .user-btn span {
        display: none;
    }
}

/* ============================================
   RESPONSIVE: MÓVIL
   ============================================ */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .logo img {
        height: 35px;
    }
    
    .logo-text {
        display: none;
    }
    
    .header-actions .btn-login {
        display: none;
    }
    
    .flash-message {
        top: 70px;
        font-size: 0.85rem;
    }
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.fade-in { animation: fadeIn 0.5s ease; }
.slide-up { animation: slideUp 0.5s ease; }
.pulse { animation: pulse 2s infinite; }

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* ============================================
   SUBMENÚ DE NAVEGACIÓN (Dashboard)
   ============================================ */

/* --- Estilos para Escritorio (Desktop) --- */
.main-nav .has-submenu {
    position: relative;
}

.main-nav .has-submenu > a {
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav .has-submenu > a .fa-chevron-down {
    font-size: 0.7em;
    transition: transform 0.3s ease;
}

.main-nav .has-submenu:hover > a .fa-chevron-down {
    transform: rotate(180deg);
}

.main-nav .submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    border-radius: 8px;
    min-width: 220px;
    z-index: 1000;
    margin-top: 5px;
    padding: 8px 0;
    list-style: none;
}

.main-nav .has-submenu:hover .submenu {
    display: block;
}

.main-nav .submenu li a {
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #475569;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.main-nav .submenu li a:hover {
    background: #f1f5f9;
    color: #3b82f6;
    padding-left: 20px;
}

/* --- Estilos para Móvil (Mobile) --- */
.mobile-menu .has-submenu-mobile > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.mobile-menu .has-submenu-mobile > a .fa-chevron-down {
    transition: transform 0.3s ease;
}

.mobile-menu .has-submenu-mobile.active > a .fa-chevron-down {
    transform: rotate(180deg);
}

.mobile-menu .submenu-mobile {
    display: none;
    list-style: none;
    padding: 0 0 0 30px;
    margin-top: 5px;
    background: rgba(0,0,0,0.02);
    border-radius: 8px;
}

.mobile-menu .has-submenu-mobile.active .submenu-mobile {
    display: block;
}

.mobile-menu .submenu-mobile li a {
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #475569;
    text-decoration: none;
    font-size: 0.9rem;
}

.mobile-menu .submenu-mobile li a:hover {
    color: #3b82f6;
}

/* ============================================
   CORRECCIÓN BADGES DE RECOMENDACIÓN (AI Analysis)
   ============================================ */

/* Badge principal de recomendación en análisis */
.rec-badge {
    padding: 12px 24px !important;
    border-radius: 30px !important;
    font-weight: 800 !important;
    font-size: 1rem !important;
    color: #ffffff !important; /* Blanco forzado para máxima legibilidad */
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    transition: all 0.3s ease;
    white-space: nowrap !important; /* Evita que el texto se rompa en 2 líneas */
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-width: 160px; /* Ancho mínimo para consistencia visual */
    text-align: center;
    line-height: 1.3;
}

/* Ajuste específico para badges con 2 palabras (más compacto pero legible) */
.rec-badge.strong_buy,
.rec-badge.strong_sell {
    padding: 12px 20px !important;
    font-size: 0.95rem !important;
    letter-spacing: 0.3px;
    min-width: 180px;
}

/* Badge en la sección de Confianza Personalizada */
#adjusted-rec-badge {
    padding: 10px 18px !important;
    font-size: 0.85rem !important;
    white-space: nowrap !important;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-width: 150px;
    border-radius: 25px !important;
    color: #ffffff !important;
}

/* Colores de fondo para cada tipo de recomendación (Degradados profesionales) */
.rec-badge.strong_buy { 
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important; 
}
.rec-badge.buy { 
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important; 
}
.rec-badge.hold { 
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important; 
}
.rec-badge.sell { 
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important; 
}
.rec-badge.strong_sell { 
    background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%) !important; 
}

/* Responsive para móviles */
@media (max-width: 768px) {
    .rec-badge {
        padding: 10px 16px !important;
        font-size: 0.85rem !important;
        min-width: 140px;
    }
    
    .rec-badge.strong_buy,
    .rec-badge.strong_sell {
        min-width: 160px;
    }
    
    #adjusted-rec-badge {
        padding: 8px 14px !important;
        font-size: 0.75rem !important;
        min-width: 130px;
    }
}