/* ============================================
   MARKETPLACE SOBRAFÁCIL - CSS PRINCIPAL
   ============================================ */

/* Reset e Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Cores */
    --color-primary: #6b5ce7;
    --color-primary-dark: #5a4bd4;
    --color-primary-light: #8b7ef0;
    --color-secondary: #ff6b35;
    --color-secondary-dark: #e55a2b;
    --color-success: #10b981;
    --color-danger: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Neutros */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* WhatsApp */
    --color-whatsapp: #25d366;
    --color-whatsapp-dark: #128c7e;
    
    /* Fontes */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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: 1.875rem;
    --font-size-4xl: 2.25rem;
    
    /* Espaçamento */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    
    /* Bordas */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   HEADER
   ============================================ */
.header {
    background: var(--color-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-top {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    font-size: var(--font-size-sm);
    padding: var(--spacing-2) 0;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-contact {
    display: flex;
    gap: var(--spacing-4);
}

.header-contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-gray-300);
}

.header-contact-item:hover {
    color: var(--color-white);
}

.header-links {
    display: flex;
    gap: var(--spacing-4);
}

.header-links a {
    color: var(--color-gray-300);
}

.header-links a:hover {
    color: var(--color-white);
}

.header-main {
    padding: var(--spacing-4) 0;
}

.header-main .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-4);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.logo-highlight {
    color: var(--color-primary);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--color-gray-800);
    border-radius: 3px;
    transition: var(--transition);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.nav-link {
    color: var(--color-gray-700);
    font-weight: 500;
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-gray-100);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--border-radius);
    transition: background var(--transition-fast);
}

.user-menu-toggle:hover {
    background: var(--color-gray-100);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-full);
    object-fit: cover;
}

.user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: var(--spacing-2);
    margin-top: var(--spacing-2);
    z-index: 100;
}

.user-dropdown.active {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-gray-700);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.user-dropdown a:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.user-dropdown hr {
    border: none;
    border-top: 1px solid var(--color-gray-200);
    margin: var(--spacing-2) 0;
}

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

.user-dropdown .text-danger:hover {
    color: var(--color-danger);
    background: #fef2f2;
}

/* ============================================
   BOTÕES
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-5);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1.5;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(107, 92, 231, 0.3);
}

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

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

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

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

.btn-whatsapp {
    background: var(--color-whatsapp);
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background: var(--color-whatsapp-dark);
    color: var(--color-white);
}

.btn-small {
    padding: var(--spacing-2) var(--spacing-3);
    font-size: var(--font-size-sm);
}

.btn-large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

.btn .icon {
    width: 18px;
    height: 18px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-16) 0;
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    line-height: 1.2;
}

.hero-title .highlight {
    color: #ffd700;
}

.hero-description {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-8);
}

.hero-search {
    display: flex;
    gap: var(--spacing-2);
    max-width: 800px;
    margin: 0 auto var(--spacing-10);
    background: var(--color-white);
    padding: var(--spacing-2);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
}

.search-input-group {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-4);
    border-right: 1px solid var(--color-gray-200);
}

.search-input-group:last-of-type {
    border-right: none;
}

.search-icon {
    width: 20px;
    height: 20px;
    color: var(--color-gray-400);
    margin-right: var(--spacing-3);
    flex-shrink: 0;
}

.search-input {
    flex: 1;
    border: none;
    background: none;
    padding: var(--spacing-3) 0;
    font-size: var(--font-size-base);
    color: var(--color-gray-800);
    outline: none;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-10);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ============================================
   SECTIONS
   ============================================ */
section {
    padding: var(--spacing-16) 0;
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-8);
    text-align: center;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-8);
}

.section-header .section-title {
    margin-bottom: 0;
    text-align: left;
}

.section-link {
    color: var(--color-primary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.section-link:hover {
    color: var(--color-primary-dark);
}

.section-link::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.section-link:hover::after {
    transform: translateX(4px);
}

/* ============================================
   CATEGORIES
   ============================================ */
.categories-section {
    background: var(--color-white);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-4);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-6) var(--spacing-4);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition);
    border: 2px solid transparent;
}

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

.category-icon {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-4);
}

.category-icon svg {
    width: 24px;
    height: 24px;
}

.category-name {
    font-weight: 600;
    color: var(--color-gray-800);
    text-align: center;
    margin-bottom: var(--spacing-1);
}

.category-count {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ============================================
   LISTINGS
   ============================================ */
.featured-section {
    background: var(--color-gray-100);
}

.listings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-6);
}

.listing-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.listing-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.listing-link {
    display: block;
    color: inherit;
}

.listing-link:hover {
    color: inherit;
}

.listing-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-gray-100);
}

.listing-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.listing-card:hover .listing-image img {
    transform: scale(1.05);
}

.listing-badge {
    position: absolute;
    top: var(--spacing-3);
    left: var(--spacing-3);
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--border-radius-sm);
    color: var(--color-white);
}

.badge-featured {
    background: var(--color-secondary);
}

.badge-professional {
    background: var(--color-primary);
}

.listing-content {
    padding: var(--spacing-4);
}

.listing-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-gray-800);
    margin-bottom: var(--spacing-2);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.listing-price {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
}

.listing-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.listing-location,
.listing-date {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.listing-meta .icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.listing-actions {
    padding: 0 var(--spacing-4) var(--spacing-4);
}

.listing-actions .btn {
    width: 100%;
}

/* ============================================
   CITIES
   ============================================ */
.cities-section {
    background: var(--color-white);
}

.cities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-4);
}

.city-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4) var(--spacing-5);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition);
}

.city-card:hover {
    background: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.city-info {
    display: flex;
    flex-direction: column;
}

.city-name {
    font-weight: 600;
    color: var(--color-gray-800);
}

.city-state {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.city-count {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    font-weight: 500;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    color: var(--color-white);
    text-align: center;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.cta-description {
    font-size: var(--font-size-lg);
    opacity: 0.8;
    max-width: 500px;
    margin: 0 auto var(--spacing-8);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-10);
    margin-bottom: var(--spacing-10);
}

.footer-brand .logo-text {
    color: var(--color-white);
    font-size: var(--font-size-2xl);
}

.footer-tagline {
    margin: var(--spacing-4) 0;
    opacity: 0.8;
}

.footer-social {
    display: flex;
    gap: var(--spacing-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--color-gray-800);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.footer-social svg {
    width: 20px;
    height: 20px;
}

.footer-links h4 {
    color: var(--color-white);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-3);
}

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: var(--spacing-8);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ============================================
   FLASH MESSAGES
   ============================================ */
.flash-message {
    padding: var(--spacing-4) 0;
    font-weight: 500;
}

.flash-message .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.flash-success {
    background: var(--color-success);
    color: var(--color-white);
}

.flash-error {
    background: var(--color-danger);
    color: var(--color-white);
}

.flash-info {
    background: var(--color-info);
    color: var(--color-white);
}

.flash-close {
    background: none;
    border: none;
    color: inherit;
    font-size: var(--font-size-xl);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

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

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }
    
    .header-top {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-4);
        box-shadow: var(--shadow-lg);
        gap: var(--spacing-2);
    }
    
    .main-nav.active {
        display: flex;
    }
    
    .main-nav .btn {
        width: 100%;
    }
    
    .user-menu {
        width: 100%;
    }
    
    .user-menu-toggle {
        width: 100%;
        justify-content: space-between;
    }
    
    .user-dropdown {
        position: static;
        box-shadow: none;
        border: 1px solid var(--color-gray-200);
        margin-top: var(--spacing-2);
    }
    
    .hero {
        padding: var(--spacing-10) 0;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-search {
        flex-direction: column;
    }
    
    .search-input-group {
        border-right: none;
        border-bottom: 1px solid var(--color-gray-200);
    }
    
    .search-input-group:last-of-type {
        border-bottom: none;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-6);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .listings-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .section-header {
        flex-direction: column;
        gap: var(--spacing-4);
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .cities-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-danger {
    color: var(--color-danger);
}

.text-success {
    color: var(--color-success);
}

.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;
}