/**
 * Estilos para a página de login
 * Autor: Guilherme Gomide
 * Sistema de Cardápio v1.0.0
 * Atualizado: Melhorias de acessibilidade implementadas
 */

/* Classes de acessibilidade */
.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;
}

/* Melhorar foco visual para navegação por teclado */
input:focus,
button:focus {
    outline: 2px solid var(--primary-color, #2c3e50);
    outline-offset: 2px;
    box-shadow: 0 0 0 3px rgba(44, 62, 80, 0.2);
}

/* Estados de erro para inputs */
input[aria-invalid="true"] {
    border-color: #e74c3c;
    box-shadow: 0 0 0 2px rgba(231, 76, 60, 0.2);
}

/* Melhorar contraste para mensagens de erro */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    padding: 10px;
    margin-top: 10px;
    font-weight: 500;
}

/* Indicador visual para elementos obrigatórios */
input[aria-required="true"] + .required-indicator::after {
    content: " *";
    color: #e74c3c;
    font-weight: bold;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    /* Background padrão (será sobrescrito por JavaScript se configurado) */
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    /* Permitir que o JavaScript sobrescreva o background */
    transition: background-color 0.3s ease;
}

/* Classe para aplicação de cor personalizada via JavaScript */
body.custom-background {
    background: var(--custom-bg-color, linear-gradient(135deg, #667eea 0%, #764ba2 100%)) !important;
}

.login-container {
    width: 100%;
    max-width: 400px;
    animation: fadeInUp 0.6s ease-out;
}

.login-box {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    padding: 40px 30px;
}

.logo-section {
    text-align: center;
    margin-bottom: 30px;
}

.logo-section i {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 15px;
}

.logo-section h1 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.logo-section p {
    color: #7f8c8d;
    font-size: 0.95rem;
}

.login-form {
    margin-bottom: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: #2c3e50;
    font-weight: 500;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group label i {
    margin-right: 8px;
    color: #667eea;
    width: 16px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #f8f9fa;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.login-btn:active {
    transform: translateY(0);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.error-message {
    background-color: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    border-left: 4px solid #c33;
    margin-top: 15px;
    font-size: 0.9rem;
}

.login-info {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border-left: 4px solid #667eea;
}

.login-info p {
    color: #495057;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.login-info code {
    background-color: #e9ecef;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: #495057;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsividade */
@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .logo-section h1 {
        font-size: 1.5rem;
    }
    
    .logo-section i {
        font-size: 2.5rem;
    }
}

@media (max-width: 320px) {
    .login-container {
        padding: 10px;
    }
    
    .login-box {
        padding: 25px 15px;
    }
}