/* Variáveis de cores e estilos */
:root {
    --primary-color: #4a6fa5;
    --primary-dark: #3a5a8c;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --text-color: #333333;
    --text-light: #6c757d;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --error-color: #dc3545;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Container principal */
.container {
    width: 100%;
    max-width: 1200px;
    padding: 0 15px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* Card de login */
.login-card {
    background-color: var(--card-background);
    border-radius: 8px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    transition: var(--transition);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header .logo {
    max-width: 250px;
    height: auto;
    margin-bottom: 1rem;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.login-header p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* Formulário */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: var(--transition);
    outline: none;
    color: var(--text-color);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(74, 111, 165, 0.2);
}

.remember-me {
    display: flex;
    align-items: center;
}

.remember-me input[type="checkbox"] {
    margin-right: 0.5rem;
    cursor: pointer;
}

.remember-me label {
    margin-bottom: 0;
    cursor: pointer;
    font-size: 0.85rem;
}

/* Botão de login */
.btn-login {
    width: 100%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0.75rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 1rem;
}

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

.btn-login:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.3);
}

/* Footer do login */
.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.85rem;
    transition: var(--transition);
}

.forgot-password:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Responsividade */
@media (max-width: 576px) {
    .login-card {
        padding: 1.5rem;
        max-width: 100%;
        margin: 0 1rem;
    }
    
    .login-header h1 {
        font-size: 1.5rem;
    }
    
    .btn-login {
        padding: 0.7rem;
    }
}

/* Animações e efeitos */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-card {
    animation: fadeIn 0.5s ease-out;
}

/* Mensagens de erro */
.error-message {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.25rem;
    display: none;
}

.input-error {
    border-color: var(--error-color) !important;
}