/*
  =============================
  VARIÁVEIS E RESET GLOBAL
  =============================
*/
:root {
    /* Cores principais - Atualizadas para TechLearn */
    --primary: #247ba0ff; /* Azul principal */
    --primary-light: #1b98e0ff; /* Azul claro */
    --primary-dark: #13293dff; /* Azul escuro */
    --secondary: #006494ff; /* Azul secundário */
    --accent: #13293dff; /* Cor de destaque */
    --success: #10b981; /* Verde sucesso */
    --error: #ef4444; /* Vermelho erro */
    --dark: #13293dff; /* Fundo escuro */
    --light: #E8F1F2ff; /* Fundo claro */
    --border: #e2e8f0; /* Cor de borda */
    --text-primary: #13293dff; /* Texto principal */
    --text-secondary: #006494ff; /* Texto secundário */
    --text-light: #247ba0ff; /* Texto claro */

    /* Espaçamento */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Raio de borda */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;

    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 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);
}

/* Reset de margens, paddings e box-sizing para todos os elementos */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/*
  =============================
  ESTILO BASE DO BODY E ELEMENTOS GERAIS
  =============================
*/
body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-primary);
    background-color: var(--light);
    line-height: 1.6;
    background: #dbeef6; /* Fundo azul claro para toda a página */
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s, transform 0.2s;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    object-fit: cover;
    transition: transform 0.3s ease;
}

/*
  =============================
  HEADER E NAVEGAÇÃO
  =============================
*/
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

.logo-icon img {
    width: 50px;
    height: 60px;
    object-fit: contain;
}

.logo-text {
    font-weight: 700;
    font-size: 1.3rem;
}

.primary-text {
    color: #1366CB;
    font-weight: 700;
}

.main-nav ul {
    display: flex;
    gap: var(--spacing-xl);
}

.main-nav a {
    font-size: 1rem;
    font-weight: 500;
    color: #1366CB;
    transition: color 0.2s ease, transform 0.2s ease;
    position: relative;
}

.main-nav a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

/*
  =============================
  SEÇÃO DE RELATÓRIO TÉCNICO
  =============================
*/
.report-section {
    padding: var(--spacing-2xl) 0;
    background: #fff;
    margin: var(--spacing-lg) auto;
    max-width: 1280px;
    padding: 0 var(--spacing-lg);
}

.report-section h1 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--primary);
    text-align: center;
}

.report-section p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
    color: var(--text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/*
  =============================
  FORMULÁRIO DE RELATÓRIO
  =============================
*/
#report-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 500px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    padding: var(--spacing-2xl) var(--spacing-xl);
}

#report-form label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: 0.95rem;
}

#report-form input, 
#report-form select, 
#report-form textarea {
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    padding: 12px 16px;
    font-size: 1rem;
    background: #f8fafc;
    transition: all var(--transition-fast);
    font-family: inherit;
}

#report-form input:focus, 
#report-form select:focus, 
#report-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(36, 123, 160, 0.1);
}

#report-form button {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    padding: 14px 0;
    font-weight: 600;
    font-size: 1.1rem;
    margin-top: var(--spacing-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

#report-form button:hover, 
#report-form button:focus {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

#report-form button:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/*
  =============================
  SELETOR DE CATEGORIA
  =============================
*/
#category {
    width: 100%;
    padding: 12px 16px;
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background-color: #f8fafc;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

#category:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(36, 123, 160, 0.1);
}

/*
  =============================
  BARRA DE PROGRESSO
  =============================
*/
.progress-bar {
    background: #e2e8f0;
    border-radius: var(--radius-full);
    height: 8px;
    margin: var(--spacing-sm) 0;
    width: 100%;
    overflow: hidden;
}

.progress {
    background: var(--primary);
    height: 100%;
    border-radius: var(--radius-full);
    width: 0%;
    transition: width var(--transition-normal);
}

/*
  =============================
  PREVIEW DE IMAGEM
  =============================
*/
#image-preview {
    margin-top: var(--spacing-sm);
    text-align: center;
}

#image-preview img {
    max-width: 200px;
    max-height: 200px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: transform var(--transition-fast);
}

#image-preview img:hover {
    transform: scale(1.02);
}

/*
  =============================
  FEEDBACK DO FORMULÁRIO
  =============================
*/
#form-feedback {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
    font-weight: 500;
    text-align: center;
    transition: all var(--transition-fast);
}

#form-feedback.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

#form-feedback.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

#issue-error {
    color: var(--error);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
    display: none;
}

#issue-error.show {
    display: block;
}

/*
  =============================
  FOOTER
  =============================
*/
.footer {
    background: var(--primary-dark);
    color: white;
    padding: var(--spacing-2xl) 0;
    margin-top: var(--spacing-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer-links h3, 
.footer-contact h3 {
    color: var(--primary-light);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

.footer-links ul, 
.footer-contact ul {
    list-style: none;
    padding: 0;
}

.footer-links a {
    color: var(--light);
    transition: color var(--transition-fast);
    display: inline-block;
    margin-bottom: var(--spacing-xs);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

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

.footer-legal a:hover {
    color: var(--light);
}

/*
  =============================
  RESPONSIVIDADE
  =============================
*/
@media (max-width: 768px) {
    .header-container {
        padding: 0 var(--spacing-md);
    }
    
    .main-nav ul {
        gap: var(--spacing-lg);
    }
    
    .logo-text {
        font-size: 1.1rem;
    }
    
    .report-section h1 {
        font-size: 1.8rem;
    }
    
    #report-form {
        margin: 0 var(--spacing-md);
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-md);
    }
}

@media (max-width: 600px) {
    .report-section {
        padding: var(--spacing-xl) 0;
    }
    
    .report-section h1 {
        font-size: 1.6rem;
    }
    
    .report-section p {
        font-size: 1rem;
        padding: 0 var(--spacing-md);
    }
    
    #report-form {
        margin: 0 var(--spacing-sm);
        padding: var(--spacing-lg) var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    #report-form input, 
    #report-form select, 
    #report-form textarea {
        padding: 10px 12px;
        font-size: 0.95rem;
    }
    
    #report-form button {
        padding: 12px 0;
        font-size: 1rem;
    }
    
    .footer {
        padding: var(--spacing-xl) 0;
    }
}

/*
  =============================
  ACESSIBILIDADE
  =============================
*/
*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Redução de movimento para usuários que preferem */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}