/**
 * Footer Dashboard CSS - Modular Component
 * Footer Completo para Página Dashboard
 * Versão: v4-dashboard
 * 
 * Estrutura:
 * - Footer Main: Seções principais com logo, links e informações
 * - Footer Bottom: Barra de copyright e links legais
 * - Scroll to top button
 * - Responsividade completa
 */

/* ============================================
   CSS CUSTOM PROPERTIES (VARIÁVEIS)
   ============================================ */
:root {
    /* Font Family */
    --font-nunito: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-inter: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Primary Colors */
    --color-primary: #1A3E74;
    --color-primary-hover: #0d2847;
    --color-accent: #00bcd4;
    --color-accent-glow: #00bcd4;
    
    /* Footer Colors */
    --footer-bg: #1A3E74;
    --footer-bg-gradient: linear-gradient(180deg, #1A3E74 0%, #0f2744 50%, #0a1d32 100%);
    --footer-text: #ffffff;
    --footer-text-muted: rgba(255, 255, 255, 0.75);
    --footer-text-heading: #ffffff;
    --footer-accent: #00bcd4;
    --footer-divider: rgba(255, 255, 255, 0.15);
    --footer-bg-secondary: rgba(255, 255, 255, 0.05);
    --footer-bg-hover: rgba(255, 255, 255, 0.1);
    --footer-border: rgba(255, 255, 255, 0.1);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(26, 62, 116, 0.15);
    --shadow-lg: 0 8px 24px rgba(26, 62, 116, 0.2);
    --shadow-xl: 0 12px 40px rgba(26, 62, 116, 0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Z-Index */
    --z-footer: 100;
    --z-back-to-top: 1000;
    
    /* Dimensions */
    --footer-padding-top: 3.5rem;
    --footer-padding-bottom: 2rem;
    --footer-min-height: 320px;
}

/* ============================================
   RESET DE BOX-SIZING
   ============================================ */
.footer-dashboard-component {
    box-sizing: border-box;
    font-family: var(--font-inter);
}

.footer-dashboard-component *,
.footer-dashboard-component *::before,
.footer-dashboard-component *::after {
    box-sizing: inherit;
}

.footer-dashboard-component h1,
.footer-dashboard-component h2,
.footer-dashboard-component h3,
.footer-dashboard-component h4 {
    font-family: var(--font-nunito), sans-serif;
}

/* ============================================
   FOOTER PRINCIPAL
   ============================================ */
.footer-dashboard-main {
    position: relative;
    z-index: 1;
    margin-top: auto;
    background: var(--footer-bg-gradient);
    color: var(--footer-text);
    padding-top: var(--footer-padding-top);
    padding-bottom: var(--footer-padding-bottom);
    min-height: var(--footer-min-height);
    border-top: 1px solid var(--footer-divider);
}

.footer-dashboard-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 5 L35 20 L50 20 L38 30 L43 45 L30 35 L17 45 L22 30 L10 20 L25 20 Z' fill='none' stroke='rgba(255,255,255,0.015)' stroke-width='0.5'/%3E%3C/svg%3E");
    pointer-events: none;
}

.footer-dashboard-main::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--footer-accent), var(--footer-bg), transparent);
    opacity: 0.6;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 2;
}

/* ============================================
   FOOTER CONTENT GRID
   ============================================ */
.footer-content-dashboard {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 2.5rem;
    padding: 2.5rem 0;
}

/* ============================================
   FOOTER ABOUT SECTION
   ============================================ */
.footer-about-section {
    display: flex;
    flex-direction: column;
}

.footer-logo-area {
    display: flex;
    justify-content: flex-start;
    padding-bottom: 1rem;
    align-items: flex-start;
}

.footer-main-logo {
    width: 80px;
    height: 80px;
    border-radius: 16px;
    object-fit: contain;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-normal);
    background: transparent;
    border: none;
}

.footer-main-logo:hover {
    transform: scale(1.05);
}

.footer-tagline {
    color: var(--footer-text-muted);
    font-size: 0.938rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    max-width: 320px;
}

.footer-social-links {
    margin-top: 1rem;
}

.footer-social-label {
    font-family: var(--font-inter), sans-serif;
    font-size: 0.75rem;
    color: var(--footer-text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-social-icons {
    display: flex;
    gap: 0.75rem;
}

.footer-social-icons a {
    width: 44px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--footer-text);
    text-decoration: none;
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-social-icons a:hover {
    background: rgba(0, 188, 212, 0.25);
    transform: translateY(-6px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 188, 212, 0.3);
    border-color: var(--footer-accent);
}

.footer-social-icons a:focus {
    outline: 2px solid var(--footer-accent);
    outline-offset: 2px;
}

.footer-social-icons .fab,
.footer-social-icons .fas {
    color: var(--footer-text);
    font-size: 1.1rem;
    transition: transform 0.4s ease;
}

.footer-social-icons a:hover .fab,
.footer-social-icons a:hover .fas {
    transform: rotate(360deg) scale(1.15);
}

/* ============================================
   FOOTER SECTIONS COMMON
   ============================================ */
.footer-section-dashboard {
    min-width: 0;
    padding: 1.5rem;
    background: var(--footer-bg-secondary);
    border-radius: 16px;
    border: 1px solid var(--footer-border);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-section-dashboard:hover {
    background: var(--footer-bg-hover);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.footer-section-title {
    font-family: var(--font-inter), sans-serif;
    color: var(--footer-text-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid rgba(0, 188, 212, 0.4);
    position: relative;
    letter-spacing: 0.02em;
}

.footer-section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.2) 15%, 
        rgba(255, 255, 255, 0.2) 85%, 
        transparent 100%
    );
}

/* ============================================
   FOOTER LINKS
   ============================================ */
.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links-list li {
    margin-bottom: 0.35rem;
}

.footer-links-list a {
    font-family: var(--font-inter), sans-serif;
    color: var(--footer-text-muted);
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0;
    position: relative;
}

.footer-links-list a:hover {
    color: var(--footer-text);
    padding-left: 8px;
}

.footer-links-list a::after {
    content: '';
    position: absolute;
    bottom: 0.5rem;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--footer-accent);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(0, 188, 212, 0.5);
}

.footer-links-list a:hover::after {
    width: 100%;
}

.footer-links-list a:focus {
    outline: 2px solid var(--footer-accent);
    outline-offset: 4px;
    border-radius: 4px;
}

/* ============================================
   FOOTER CONTACT INFO
   ============================================ */
.footer-contact-info {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 1rem;
    color: var(--footer-text-muted);
    font-size: 0.9rem;
}

.footer-contact-info .fas,
.footer-contact-info .fa-solid {
    color: var(--footer-accent);
    font-size: 1.1rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.footer-contact-info a {
    color: var(--footer-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-contact-info a:hover {
    color: var(--footer-text);
}

/* ============================================
   FOOTER BOTTOM
   ============================================ */
.footer-bottom-dashboard {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-top: 1.5rem;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    border: 1px solid var(--footer-border);
}

.footer-copyright {
    flex: 1;
    min-width: 200px;
}

.footer-copyright p {
    margin: 0 0 0.75rem 0;
    color: var(--footer-text-muted);
    font-size: 0.813rem;
}

.footer-legal-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-legal-links a {
    color: var(--footer-text-muted);
    font-size: 0.813rem;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-legal-links a:hover {
    color: var(--footer-text);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.footer-legal-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background: var(--footer-text);
    transition: width 0.3s ease;
}

.footer-legal-links a:hover::after {
    width: 60%;
}

.footer-legal-links a:focus {
    outline: 2px solid var(--footer-accent);
    outline-offset: 2px;
}

.footer-legal-links .fas,
.footer-legal-links .fa-solid {
    font-size: 0.875rem;
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top-dashboard {
    position: fixed;
    bottom: 30px;
    right: 1.5rem;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--footer-text);
    border: 2px solid rgba(255, 255, 255, 0.8);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: var(--z-back-to-top);
}

.back-to-top-dashboard.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top-dashboard:hover {
    background: var(--color-primary-hover);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.back-to-top-dashboard:focus {
    outline: 3px solid var(--footer-accent);
    outline-offset: 3px;
}

.back-to-top-dashboard:active {
    transform: translateY(-2px);
}

/* Posicionamento quando footer está presente */
.footer-dashboard-main ~ .back-to-top-dashboard,
body:has(.footer-dashboard-main) .back-to-top-dashboard {
    bottom: calc(var(--footer-padding-bottom) + 25px);
}

/* ============================================
   FOOTER DIVIDERS
   ============================================ */
.footer-main-divider {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.4) 15%,
        rgba(255, 255, 255, 0.4) 85%,
        transparent 100%
    );
    margin-top: 0.75rem;
    margin-bottom: 2rem;
}

.footer-logo-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.15) 20%, 
        rgba(255, 255, 255, 0.15) 80%, 
        transparent 100%
    );
    margin: 1.25rem 0;
}

.footer-bottom-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.2) 15%, 
        rgba(255, 255, 255, 0.2) 85%, 
        transparent 100%
    );
    margin: 2rem 0;
}

/* ============================================
   SCROLLBARS
   ============================================ */
.footer-dashboard-component ::-webkit-scrollbar {
    width: 8px;
}

.footer-dashboard-component ::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.footer-dashboard-component ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

.footer-dashboard-component ::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ============================================
   RESPONSIVE: TABLET (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
    .footer-content-dashboard {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .footer-section-dashboard:last-child {
        grid-column: 1 / -1;
    }
    
    .footer-social-links {
        margin-left: 0;
        margin-top: 1rem;
    }
    
    .footer-tagline {
        max-width: 100%;
    }
}

/* ============================================
   RESPONSIVE: TABLET SMALL (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
    .footer-logo-area {
        justify-content: center;
    }
    
    .footer-content-dashboard {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-section-dashboard:last-child {
        grid-column: auto;
    }
    
    /* Todas as seções alinhadas à esquerda */
    .footer-section-dashboard {
        text-align: left;
    }
    
    .footer-section-title {
        text-align: left;
    }
    
    .footer-links-list {
        text-align: left;
    }
    
    .footer-links-list li {
        text-align: left;
    }
    
    .footer-links-list a {
        justify-content: flex-start;
    }
    
    .footer-tagline {
        text-align: left;
    }
    
    /* Redes sociais alinhadas à esquerda */
    .footer-social-links {
        margin-left: 0;
        margin-top: 1rem;
        text-align: left;
        justify-content: flex-start;
    }
    
    .footer-social-icons {
        justify-content: flex-start;
    }
    
    /* Footer bottom alinhado à esquerda */
    .footer-bottom-dashboard {
        flex-direction: column;
        text-align: left;
        align-items: flex-start;
    }
    
    .footer-copyright {
        width: 100%;
        text-align: left;
    }
    
    .footer-legal-links {
        width: 100%;
        justify-content: flex-start;
    }
    
    .footer-social-links {
        width: 100%;
        justify-content: flex-start;
        margin-top: 0.5rem;
        margin-left: 0;
    }
    
    .back-to-top-dashboard {
        width: 48px;
        height: 48px;
        right: 1rem;
    }
}

/* ============================================
   RESPONSIVE: MOBILE (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
    .footer-content-dashboard {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-section-dashboard {
        text-align: left;
    }
    
    .footer-section-title {
        text-align: left;
    }
    
    .footer-links-list a {
        justify-content: flex-start;
    }
    
    .footer-tagline {
        text-align: left;
    }
    
    /* Footer bottom alinhado à esquerda */
    .footer-bottom-dashboard {
        text-align: left;
        align-items: flex-start;
    }
    
    .footer-legal-links {
        justify-content: flex-start;
    }
    
    .footer-social-links {
        justify-content: flex-start;
    }
    
    .footer-social-icons {
        justify-content: flex-start;
    }
    
    .back-to-top-dashboard {
        bottom: 20px;
        right: 1rem;
        width: 44px;
        height: 44px;
    }
    
    .footer-section-dashboard {
        padding: 1.25rem;
    }
    
    .footer-main-logo {
        width: 64px;
        height: 64px;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.footer-dashboard-component *:focus-visible {
    outline: 3px solid var(--footer-accent);
    outline-offset: 2px;
}

/* Skip Link no Footer */
.footer-skip-link {
    position: absolute;
    bottom: -100px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 12px 24px;
    z-index: 99999;
    transition: bottom 0.3s ease;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px 8px 0 0;
}

.footer-skip-link:focus {
    bottom: 0;
    outline: none;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .footer-dashboard-main {
        background: #000000;
        border-top: 2px solid #ffffff;
    }
    
    .footer-section-dashboard {
        border: 2px solid #ffffff;
    }
    
    .footer-links-list a {
        text-decoration: underline;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .footer-section-dashboard,
    .footer-links-list a,
    .footer-social-icons a,
    .back-to-top-dashboard {
        transition: none;
    }
    
    .footer-section-dashboard:hover {
        transform: none;
    }
    
    .footer-social-icons a:hover {
        transform: none;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .footer-dashboard-main {
        background: none;
        color: black;
        border-top: 2px solid black;
    }
    
    .back-to-top-dashboard {
        display: none;
    }
    
    .footer-social-links {
        display: none;
    }
}

/* ============================================
   DARK MODE SUPPORT
   ============================================ */
@media (prefers-color-scheme: dark) {
    .footer-dashboard-main {
        /* Gradient already handles dark theme */
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-section-dashboard {
    animation: fadeInUp 0.5s ease forwards;
}

.footer-section-dashboard:nth-child(1) { animation-delay: 0.1s; }
.footer-section-dashboard:nth-child(2) { animation-delay: 0.2s; }
.footer-section-dashboard:nth-child(3) { animation-delay: 0.3s; }
.footer-section-dashboard:nth-child(4) { animation-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
    .footer-section-dashboard {
        animation: none;
    }
}