/**
 * PortalDeContactos - Estilos Principais
 * Design Moderno e Responsivo
 */

/* ============================================
   VARIÁVEIS CSS (Cores e Espaçamentos)
   ============================================ */
:root {
    /* Cores Principais */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #10b981;
    --secondary-dark: #059669;
    
    /* Cores Neutras */
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-light: #f9fafb;
    --bg-gray: #f3f4f6;
    --border-color: #e5e7eb;
    
    /* Cores de Estado */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Tipografia */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    /* Bordas */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    /* Transições */
    --transition: all 0.3s ease;
}

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

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* ============================================
   HEADER / NAVEGAÇÃO
   ============================================ */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    position: relative;
}

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

/* Botão hamburger para mobile */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    cursor: pointer;
    padding: var(--spacing-xs);
    z-index: 1001;
}

.menu-toggle:hover {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: calc(var(--spacing-lg) / 2);
    align-items: center;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: var(--spacing-xs) calc(var(--spacing-sm) / 2);
    border-radius: var(--border-radius);
}

.nav-menu a:hover {
    background: var(--bg-gray);
    color: var(--primary-color);
}

.nav-menu a.active {
    color: var(--primary-color);
    font-weight: 600;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 2px;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-base);
    width: auto;
    min-width: auto;
}

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

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

.btn-danger {
    background-color: #ef4444;
    color: white;
    border: 1px solid #ef4444;
}

.btn-danger:hover {
    background-color: #dc2626;
    border-color: #dc2626;
}

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

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

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

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

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

.hero h1 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

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

/* ============================================
   SECÇÃO DE SERVIÇOS
   ============================================ */
.services-section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--text-dark);
}

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

.service-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
}

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

.service-card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.service-card p {
    color: var(--text-gray);
    font-size: var(--font-size-sm);
}

/* ============================================
   PESQUISA
   ============================================ */
.search-section {
    background: var(--bg-white);
    padding: var(--spacing-xl) 0;
}

.search-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

select.form-control {
    cursor: pointer;
}

/* ============================================
   RESULTADOS DE PESQUISA
   ============================================ */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.provider-card {
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

/* Card de resultado clicável */
.search-result-card {
    position: relative;
}

.search-result-card:hover {
    background: #f8f9fa;
}

.provider-card-header {
    padding: var(--spacing-md);
    background: var(--bg-gray);
}

.provider-logo {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    object-fit: cover;
    margin: 0 auto var(--spacing-sm);
}

.provider-card-body {
    padding: var(--spacing-md);
}

.provider-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.provider-card p {
    color: var(--text-gray);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

/* Resultados de Pesquisa - Layout Compacto */
.search-result-card {
    margin-bottom: var(--spacing-md);
}

.search-result-title {
    font-size: var(--font-size-lg);
    margin-bottom: 10px;
    color: var(--text-dark);
    line-height: 1.3;
}

.search-result-company {
    margin-bottom: 8px;
}

.search-result-line {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    line-height: 1.4;
}

.search-result-line i {
    flex-shrink: 0;
    text-align: center;
}

.search-result-description {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-color);
}

.provider-contact {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.contact-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.75rem;
    background: var(--bg-gray);
    border-radius: var(--border-radius);
    font-size: var(--font-size-sm);
    color: var(--text-dark);
}

/* ============================================
   FORMULÁRIOS
   ============================================ */
.form-section {
    background: var(--bg-white);
    padding: var(--spacing-xl) 0;
}

.form-container {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-md);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--text-dark);
    color: white;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.footer-section h4 {
    margin-bottom: var(--spacing-sm);
    color: white;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.text-center {
    text-align: center;
}

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

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

.alert {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid var(--success-color);
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid var(--error-color);
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid var(--info-color);
}

/* ============================================
   RESPONSIVIDADE
   ============================================ */
@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
    }
    
    .menu-toggle {
        display: block !important;
    }
    
    .nav-menu {
        display: none !important;
        flex-direction: column;
        gap: calc(var(--spacing-sm) / 2);
        width: 100%;
        margin-top: var(--spacing-sm);
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--border-color);
    }
    
    .nav-menu.active {
        display: flex !important;
    }
}
    
    .hero h1 {
        font-size: var(--font-size-xl);
    }
    
    .services-grid,
    .results-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .services-grid {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-md) !important;
    }
    
    .service-card {
        margin-bottom: var(--spacing-sm);
    }
    
    .search-result-card {
        margin-bottom: var(--spacing-sm);
    }
    
    .search-result-title {
        font-size: var(--font-size-base);
        margin-bottom: 8px;
    }
    
    .search-result-line {
        margin-bottom: 4px;
        font-size: 0.85rem;
    }
    
    .search-result-company {
        margin-bottom: 6px;
    }
    
    .search-result-company img {
        width: 32px !important;
        height: 32px !important;
    }
    
    .search-result-description {
        margin-top: 8px;
        padding-top: 8px;
        font-size: 0.85rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    /* Botões com largura total apenas em mobile - apenas em formulários específicos */
    .form-actions .btn,
    form .btn[type="submit"],
    .search-form .btn,
    .form-container .btn {
        width: 100%;
    }
    
    /* Dashboard admin - mobile */
    .form-section .container > div[style*="display: flex"] {
        flex-direction: column !important;
    }
    
    .form-section .container > div[style*="display: flex"] .btn {
        width: 100%;
        margin-bottom: var(--spacing-xs);
    }
    
    /* Página de detalhes do prestador - mobile */
    .provider-detail-section .container > div {
        padding: 0 var(--spacing-sm);
    }
    
    .provider-header {
        flex-direction: column !important;
        text-align: center;
    }
    
    .provider-header img {
        margin: 0 auto;
    }
    
    .provider-detail-section [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-2xl: 24px;
        --font-size-xl: 20px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ============================================
   LOADING / SPINNER
   ============================================ */
.spinner {
    border: 3px solid var(--bg-gray);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: var(--spacing-md) auto;
}

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

/* ============================================
   TABELAS COM ORDENAÇÃO
   ============================================ */
th[style*="cursor: pointer"] {
    user-select: none;
    transition: background-color 0.2s ease;
}

th[style*="cursor: pointer"]:hover {
    background-color: #e5e7eb !important;
}

th[style*="cursor: pointer"] a {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    width: 100%;
}

th[style*="cursor: pointer"] a:hover {
    color: var(--primary-color);
}

th[style*="cursor: pointer"] a i {
    font-size: 0.85em;
    opacity: 0.6;
}

th[style*="cursor: pointer"] a:hover i {
    opacity: 1;
}