/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --color-primary: #00ADB5;
    --color-secondary: #393E46;
    --color-dark: #222831;
    --color-light: #EEEEEE;
    --color-accent: #FFD369;
    
    /* Social Media Colors */
    --instagram: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    --whatsapp: #25D366;
    --tiktok: #000000;
    --youtube: #FF0000;
    --facebook: #1877F2;
    --twitter: #1DA1F2;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Dark Mode Variables */
[data-bs-theme="dark"] {
    --color-light: #2c3e50;
    --color-secondary: #34495e;
    --bs-body-bg: var(--color-dark);
    --bs-body-color: var(--color-light);
}

/* Base Typography */
body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-secondary);
    background-color: var(--color-light);
    scroll-behavior: smooth;
}

/* Utility Classes */
.text-accent {
    color: var(--color-accent) !important;
}

.bg-accent {
    background-color: var(--color-accent) !important;
}

/* Navigation Styles */
.navbar {
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.navbar-brand {
    font-size: 1.5rem;
    color: var(--color-accent) !important;
}

.navbar-nav .nav-link {
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--color-accent) !important;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-fast);
    transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after {
    width: 80%;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,211,105,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 2;
}

.hero-image {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Floating Social Icons Animation */
.social-icons-floating {
    position: relative;
    width: 300px;
    height: 300px;
}

.social-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    animation: float 3s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.social-icon:hover {
    transform: scale(1.1);
}

.social-icon.instagram {
    background: var(--instagram);
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.social-icon.tiktok {
    background: var(--tiktok);
    top: 30%;
    right: 10%;
    animation-delay: 0.5s;
}

.social-icon.whatsapp {
    background: var(--whatsapp);
    bottom: 30%;
    left: 10%;
    animation-delay: 1s;
}

.social-icon.youtube {
    background: var(--youtube);
    top: 60%;
    right: 30%;
    animation-delay: 1.5s;
}

.social-icon.facebook {
    background: var(--facebook);
    bottom: 10%;
    right: 20%;
    animation-delay: 2s;
}

.social-icon.twitter {
    background: var(--twitter);
    top: 50%;
    left: 50%;
    animation-delay: 2.5s;
    transform: translate(-50%, -50%);
}

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

/* Calculator Section */
.calculator-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 173, 181, 0.1);
}

[data-bs-theme="dark"] .calculator-card {
    background: var(--color-secondary);
    border-color: rgba(255, 211, 105, 0.2);
}

.social-input-group {
    background: #f8f9fa;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 2px solid transparent;
    transition: var(--transition-normal);
}

[data-bs-theme="dark"] .social-input-group {
    background: var(--color-dark);
}

.social-input-group:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

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

.social-icon-large {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.social-icon-large.whatsapp {
    background: var(--whatsapp);
}

.social-icon-large.instagram {
    background: var(--instagram);
}

.social-icon-large.tiktok {
    background: var(--tiktok);
}

.social-icon-large.youtube {
    background: var(--youtube);
}

.social-icon-large.facebook {
    background: var(--facebook);
}

.social-icon-large.twitter {
    background: var(--twitter);
}

.social-icon-large.other {
    background: var(--color-secondary);
}

.time-inputs {
    max-width: 300px;
}

.form-range {
    accent-color: var(--color-primary);
}

/* Results Section */
.stats-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--color-primary);
    transition: var(--transition-normal);
    height: 100%;
}

[data-bs-theme="dark"] .stats-card {
    background: var(--color-secondary);
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stats-card.daily {
    border-left-color: #28a745;
}

.stats-card.weekly {
    border-left-color: #ffc107;
}

.stats-card.monthly {
    border-left-color: #fd7e14;
}

.stats-card.yearly {
    border-left-color: #dc3545;
}

.stats-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.stats-content h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-secondary);
}

[data-bs-theme="dark"] .stats-content h3 {
    color: var(--color-light);
}

.stats-content p {
    margin: 0;
    color: #6c757d;
    font-size: 0.9rem;
}

/* Chart Cards */
.chart-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    height: 100%;
}

[data-bs-theme="dark"] .chart-card {
    background: var(--color-secondary);
}

.chart-card h4 {
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
}

[data-bs-theme="dark"] .chart-card h4 {
    color: var(--color-light);
}

/* Comparison Cards */
.comparison-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

[data-bs-theme="dark"] .comparison-card {
    background: var(--color-secondary);
}

.comparison-item {
    background: #f8f9fa;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

[data-bs-theme="dark"] .comparison-item {
    background: var(--color-dark);
}

.comparison-item:hover {
    border-color: var(--color-primary);
    transform: translateY(-3px);
}

.comparison-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.comparison-number {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.comparison-label {
    font-size: 0.9rem;
    color: #6c757d;
    margin: 0;
}

/* Modal Styles */
.modal-content {
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    border-bottom: 1px solid rgba(0, 173, 181, 0.2);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.modal-header .btn-close {
    filter: invert(1);
}

.impact-stats {
    padding: var(--spacing-lg) 0;
}

.impact-item {
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    background: #f8f9fa;
    transition: var(--transition-normal);
}

[data-bs-theme="dark"] .impact-item {
    background: var(--color-dark);
}

.impact-number {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    margin-bottom: var(--spacing-xs);
}

.impact-label {
    font-size: 0.9rem;
    color: #6c757d;
}

/* Offcanvas Styles */
.offcanvas {
    width: 350px !important;
}

.offcanvas-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
}

.offcanvas-header .btn-close {
    filter: invert(1);
}

.detox-section {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.detox-section h6 {
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
}

[data-bs-theme="dark"] .detox-section h6 {
    color: var(--color-light);
}

.app-item {
    background: #f8f9fa;
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

[data-bs-theme="dark"] .app-item {
    background: var(--color-dark);
}

.activity-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.activity-tag {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
}

/* FAQ Styles */
.accordion-item {
    border: 1px solid rgba(0, 173, 181, 0.2);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md) !important;
    overflow: hidden;
}

.accordion-button {
    background: white;
    border: none;
    font-weight: var(--font-weight-medium);
    color: var(--color-secondary);
}

[data-bs-theme="dark"] .accordion-button {
    background: var(--color-secondary);
    color: var(--color-light);
}

.accordion-button:not(.collapsed) {
    background: var(--color-primary);
    color: white;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 173, 181, 0.25);
}

.accordion-body {
    background: #f8f9fa;
    color: var(--color-secondary);
}

[data-bs-theme="dark"] .accordion-body {
    background: var(--color-dark);
    color: var(--color-light);
}

/* Button Styles */
.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
}

.btn-primary:hover {
    background: #009ba3;
    border-color: #009ba3;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

/* Dark Mode Toggle */
#darkModeToggle {
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-normal);
}

#darkModeToggle:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-dark);
}

/* Ad Banners */
.ad-banner {
    margin: var(--spacing-lg) 0;
}

.mobile-ad {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1040;
    background: white;
    box-shadow: var(--shadow-md);
}

[data-bs-theme="dark"] .mobile-ad {
    background: var(--color-secondary);
}

/* Footer */
footer {
    background: var(--color-dark) !important;
}

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

footer a:hover {
    color: white;
}

.social-links a {
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.social-links a:hover {
    color: var(--color-accent) !important;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        padding-top: 80px;
    }
    
    .hero-section .display-4 {
        font-size: 2rem;
    }
    
    .social-icons-floating {
        width: 250px;
        height: 250px;
    }
    
    .social-icon {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    .calculator-card {
        padding: var(--spacing-lg);
    }
    
    .stats-card {
        margin-bottom: var(--spacing-md);
    }
    
    .offcanvas {
        width: 300px !important;
    }
    
    .time-inputs {
        max-width: 100%;
    }
    
    .comparison-item {
        margin-bottom: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .hero-section .display-4 {
        font-size: 1.75rem;
    }
    
    .hero-section .lead {
        font-size: 1rem;
    }
    
    .calculator-card {
        padding: var(--spacing-md);
    }
    
    .social-input-group {
        padding: var(--spacing-md);
    }
    
    .social-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .social-icon-large {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .stats-content h3 {
        font-size: 1.25rem;
    }
    
    .comparison-icon {
        font-size: 2rem;
    }
    
    .comparison-number {
        font-size: 1.25rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .mobile-ad,
    .ad-banner,
    .btn,
    .offcanvas,
    .modal {
        display: none !important;
    }
    
    .hero-section {
        background: white !important;
        color: black !important;
    }
    
    .stats-card,
    .chart-card,
    .comparison-card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
.form-control:focus,
.form-range:focus,
.btn:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 173, 181, 0.25);
    border-color: var(--color-primary);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #009ba3;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #000080;
        --color-accent: #FFD700;
        --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
    }
}