/* 
 * Estilos principais do Sistema de Cartões de Visita Digitais
 * dPlus Consultoria - Sistema interno
 */

:root {
    --primary: #1a1a1a;
    --secondary: #333333;
    --accent: #0066cc;
    --background: #f8f9fa;
    --surface: #ffffff;
    --text: #1a1a1a;
    --text-secondary: #666666;
    --border: rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 16px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing: 1.5rem;
    --spacing-lg: 2rem;
    --transition: all 0.2s ease;
}

/* Reset e estilos base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Cabeçalho */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--spacing);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.header-logo {
    height: 32px;
    width: auto;
}

.header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
}

/* Container principal */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing);
    width: 100%;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.625rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    line-height: 1.5;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: #0052a3;
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    background-color: var(--background);
    border-color: var(--text-secondary);
}

/* Formulários */
.form-group {
    margin-bottom: var(--spacing);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--surface);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* Cards */
.card {
    background-color: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    padding: var(--spacing);
    border-bottom: 1px solid var(--border);
}

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

.card-footer {
    padding: var(--spacing);
    border-top: 1px solid var(--border);
    background-color: var(--background);
}

/* Estados de carregamento */
.loading {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid rgba(0, 102, 204, 0.1);
    border-radius: 50%;
    border-top-color: var(--accent);
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsividade */
@media (max-width: 768px) {
    .header {
        padding: var(--spacing-sm);
    }
    
    .header-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .container {
        padding: var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
    }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Modo escuro */
@media (prefers-color-scheme: dark) {
    :root {
        --primary: #ffffff;
        --secondary: #cccccc;
        --background: #121212;
        --surface: #1e1e1e;
        --text: #ffffff;
        --text-secondary: #999999;
        --border: rgba(255, 255, 255, 0.1);
    }
    
    .btn-outline {
        border-color: rgba(255, 255, 255, 0.2);
    }
    
    .btn-outline:hover {
        border-color: rgba(255, 255, 255, 0.3);
    }
}