@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700;900&display=swap');

/* Variáveis de Cores (Paleta do Bolão) */
:root {
    --primary-color: #008000; /* Verde Principal */
    --secondary-color: #FFD700; /* Amarelo Secundário */
    --tertiary-color: #1A703F; /* Verde Escuro */
    --background-light: #f0f4f7; /* Fundo Suave */
    --surface-light: #ffffff; /* Superfície Branca */
    --text-dark: #212121;
    --text-light: #ffffff;
    --shadow-elevation-low: 0 4px 10px rgba(0, 0, 0, 0.1);
    
    /* Cores de feedback */
    --color-success: #4CAF50;
    --color-error: #F44336;
    --color-success-bg: #E8F5E9;
    --color-error-bg: #FFEBEE;
}

/* Reset e Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: 'Roboto', Arial, sans-serif;
    background-color: var(--background-light);
    color: var(--text-dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

/* --- Container de Autenticação --- */
.auth-container {
    background: var(--surface-light);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-elevation-low);
    width: 100%;
    max-width: 450px; /* Largura máxima em desktops */
    text-align: center;
}

.auth-title {
    font-size: 2em;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.auth-title i {
    color: var(--secondary-color);
}

/* --- Formulário e Inputs --- */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    text-align: left;
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 5px;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-group input {
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.input-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 128, 0, 0.15);
    outline: none;
}

/* --- Botão Principal --- */
.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-primary:hover {
    background-color: var(--tertiary-color);
    transform: translateY(-1px);
}

/* --- Links e Rodapé --- */
.auth-link {
    margin-top: 20px;
    font-size: 0.95em;
    color: var(--text-dark);
}

.auth-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 700;
    transition: color 0.3s;
}

.auth-link a:hover {
    color: var(--tertiary-color);
    text-decoration: underline;
}

/* --- Mensagens de Sistema (Sucesso/Erro) --- */
.message {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
    font-size: 0.95em;
    border: 1px solid;
}

.message.success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border-color: var(--color-success);
}

.message.error {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border-color: var(--color-error);
}

/* Responsividade para telas menores */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    .auth-container {
        padding: 25px 20px;
        box-shadow: none; /* Remove a sombra em telas muito pequenas para dar mais espaço */
    }
    .auth-title {
        font-size: 1.7em;
        margin-bottom: 20px;
    }
    .input-group input, .btn-primary {
        padding: 12px;
    }
}