/* ===================================
   CONECTA BUENO - ESTILOS GLOBAIS
   Design System unificado
   =================================== */

:root {
    /* Cores Principais - Tema Turismo Cultural */
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #8b5cf6;
    --accent-color: #10b981;
    
    /* Cores de Estado */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    
    /* Cores Neutras */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-white: #ffffff;
    
    /* 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);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Espaçamento */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Tipografia */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 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;

    /* Escala de texto do widget de acessibilidade (js/accessibility.js).
       Multiplicada em cada font-size via calc() — 1 = tamanho padrão. */
    --a11y-text-scale: 1;
}

/* ===================================
   RESET & BASE
   =================================== */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

/* ===================================
   HEADER PRINCIPAL
   =================================== */

.main-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.header-brand h1 {
    font-size: calc(var(--font-size-2xl) * var(--a11y-text-scale, 1));
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.header-brand p {
    font-size: calc(var(--font-size-sm) * var(--a11y-text-scale, 1));
    opacity: 0.9;
}

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

/* ===================================
   BOTÕES
   =================================== */

.btn,
.btn-primary,
.btn-secondary,
.btn-login,
.btn-search,
.btn-toggle-sidebar {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: calc(var(--font-size-base) * var(--a11y-text-scale, 1));
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary,
.btn-login {
    background: var(--bg-primary);
    color: var(--primary-color);
}

.btn-primary:hover,
.btn-login:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

.btn-search {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
}

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

/* ===================================
   FORMULÁRIOS
   =================================== */

.search-input,
.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: calc(var(--font-size-base) * var(--a11y-text-scale, 1));
    color: var(--text-primary);
    background: var(--bg-primary);
    transition: border-color var(--transition-fast);
}

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

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: calc(var(--font-size-sm) * var(--a11y-text-scale, 1));
}

/* ===================================
   MODAL
   =================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    animation: fadeIn var(--transition-base);
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp var(--transition-base);
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: calc(var(--font-size-2xl) * var(--a11y-text-scale, 1));
    cursor: pointer;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Conteúdo interno de modais simples (convite de login/cadastro, conversão
   de visitante). Usa os mesmos nomes de classe do painel admin para que
   qualquer JS que monte um modal nas páginas públicas já saia estilizado. */
.modal-dialog {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 420px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp var(--transition-base);
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-lg) 0;
}

.modal-header h3 {
    font-size: calc(var(--font-size-lg) * var(--a11y-text-scale, 1));
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.btn-close-modal {
    background: none;
    border: none;
    font-size: calc(22px * var(--a11y-text-scale, 1));
    line-height: 1;
    color: var(--text-muted);
    width: 30px;
    height: 30px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast);
    flex-shrink: 0;
}

.btn-close-modal:hover {
    color: var(--text-primary);
    background: var(--bg-secondary);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    font-size: calc(var(--font-size-sm) * var(--a11y-text-scale, 1));
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Botões de call-to-action de autenticação (modal de login/cadastro e
   conversão de visitante) — cor verde da marca, independente do tema
   genérico azul de .btn-primary/.btn-secondary usado noutras telas. */
.auth-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: calc(var(--font-size-base) * var(--a11y-text-scale, 1));
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.auth-cta-btn--primary {
    background: #2d5a3d;
    color: #fff;
}

.auth-cta-btn--primary:hover {
    background: #24492f;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.auth-cta-btn--outline {
    background: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}

.auth-cta-btn--outline:hover,
.auth-cta-btn--outline:focus-visible {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ===================================
   FOOTER
   =================================== */

.main-footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-xl);
    text-align: center;
    margin-top: auto;
}

.main-footer p {
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.main-footer a {
    color: var(--primary-light);
}

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

/* ===================================
   UTILITÁRIOS
   =================================== */

.hidden {
    display: none !important;
}

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

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

.loading-message {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-muted);
}

/* ===================================
   RESPONSIVO
   =================================== */

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-md);
    }
    
    .header-brand h1 {
        font-size: calc(var(--font-size-xl) * var(--a11y-text-scale, 1));
    }
    
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
}