/* Angela Tourism - CSS Principal */
/* Reset y variables */
:root {
    /* Colores principales */
    --primary-color: #FF6B35;
    --secondary-color: #4ECDC4;
    --accent-color: #45B7D1;
    --background-primary: #FFFFFF;
    --background-secondary: #F8F9FA;
    --text-primary: #2C3E50;
    --text-secondary: #7F8C8D;
    --text-light: #BDC3C7;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    --gradient-secondary: linear-gradient(135deg, #4ECDC4 0%, #44A08D 100%);
    --gradient-accent: linear-gradient(135deg, #45B7D1 0%, #2980B9 100%);
    
    /* Sombras */
    --shadow-light: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 16px rgba(0,0,0,0.15);
    --shadow-heavy: 0 8px 32px rgba(0,0,0,0.2);
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 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: 2rem;
    
    /* Bordes */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-full: 9999px;
    
    /* Transiciones */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-index layers */
    --z-dropdown: 1000;
    --z-fixed: 1020;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Utilities */
.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;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Splash Screen */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.splash-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.splash-content {
    text-align: center;
    color: white;
    animation: fadeInUp 0.8s ease;
}

.angela-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--spacing-md);
    border-radius: var(--border-radius-full);
    overflow: hidden;
    box-shadow: var(--shadow-heavy);
    animation: pulse 2s infinite;
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.splash-content h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.splash-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.loading-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
}

.loading-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.7);
    animation: loadingDots 1.4s infinite ease-in-out both;
}

.loading-dots span:nth-child(1) { animation-delay: -0.32s; }
.loading-dots span:nth-child(2) { animation-delay: -0.16s; }

/* Header Principal */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 var(--spacing-sm);
}

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

.menu-toggle {
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-fast);
}

.menu-toggle:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
    transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.site-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.language-toggle, .location-btn {
    background: none;
    border: none;
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 4px;
}

.language-toggle:hover, .location-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.flag-emoji {
    font-size: var(--font-size-lg);
}

.lang-code {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

/* Navegación Lateral */
.side-nav {
    position: fixed;
    top: 0;
    left: -300px;
    width: 300px;
    height: 100vh;
    background: white;
    box-shadow: var(--shadow-heavy);
    z-index: var(--z-modal);
    transition: left var(--transition-normal);
    overflow-y: auto;
}

.side-nav.open {
    left: 0;
}

.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-modal) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.nav-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.nav-header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.nav-avatar {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-md);
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.nav-header h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.nav-header p {
    opacity: 0.9;
    font-size: var(--font-size-sm);
}

.nav-menu {
    list-style: none;
    padding: var(--spacing-md) 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-primary);
    text-decoration: none;
    transition: background-color var(--transition-fast);
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background-color: var(--background-secondary);
}

.nav-item.active {
    background-color: rgba(255, 107, 53, 0.1);
    border-left-color: var(--primary-color);
    color: var(--primary-color);
}

.nav-icon {
    font-size: var(--font-size-xl);
    width: 24px;
    text-align: center;
}

.nav-text {
    font-weight: 500;
}

/* Contenido Principal */
.main-content {
    margin-top: 60px;
    min-height: calc(100vh - 60px);
    transition: margin-left var(--transition-normal);
}

.section {
    display: none;
    padding: var(--spacing-lg) var(--spacing-sm);
    animation: fadeInUp 0.5s ease;
}

.section.active {
    display: block;
}

/* Hero Section */
.hero-section {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.hero-content h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.hero-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-normal);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.btn-icon {
    font-size: var(--font-size-xl);
}

.location-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.location-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-sm);
}

.location-content p {
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
}

.location-update-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.location-update-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Quick Categories */
.quick-categories {
    margin-bottom: var(--spacing-lg);
}

.quick-categories h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--text-primary);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.category-card {
    background: white;
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-light);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.category-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.category-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-lg);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.loading-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 107, 53, 0.3);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 80px;
    right: var(--spacing-sm);
    z-index: var(--z-tooltip);
    max-width: 300px;
}

.toast {
    background: white;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-medium);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    border-left: 4px solid var(--primary-color);
    animation: slideInRight 0.3s ease;
}

.toast.error {
    border-left-color: #e74c3c;
}

.toast.success {
    border-left-color: #27ae60;
}

.toast.warning {
    border-left-color: #f39c12;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-content h2 {
        font-size: var(--font-size-xl);
    }
    
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-button {
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.75rem;
        --spacing-md: 1rem;
        --spacing-lg: 1.5rem;
    }
    
    .hero-section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes loadingDots {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}