/* Importando fonte do sistema para consistência */
@import url('https://fonts.googleapis.com/css2?family=Segoe+UI:wght@400;600;700&display=swap');

:root {
    --primary-bg: #ecf0f1;       /* Fundo da página */
    --card-bg: #34495e;          /* Fundo do card */
    --text-main: #ecf0f1;        /* Texto principal */
    --text-muted: #bdc3c7;       /* Texto secundário/label */
    --accent-color: #27ae60;     /* Verde do sistema (Botão) */
    --accent-hover: #1f8d4c;     /* Verde escuro (Hover) */
    --input-bg: rgba(0, 0, 0, 0.2); /* Fundo dos inputs */
    --border-color: #4c6680;     /* Bordas */
    --danger-color: #c0392b;     /* Mensagens de erro */
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-bg);
    /* Sutil gradiente para dar profundidade sem perder o minimalismo */
    background: linear-gradient(135deg, #2c3e50 0%, #1a252f 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    color: var(--text-main);
}

.login-container {
    background-color: var(--card-bg);
    padding: 3rem 2.5rem;
    border-radius: 12px;
    /* Sombra elegante similar aos modais do sistema */
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); 
    width: 100%;
    max-width: 400px;
    text-align: center;
    border: 1px solid var(--border-color);
    
    /* Animação de entrada suave */
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

/* Logo ou Ícone (Opcional, mas recomendado) */
.login-header {
    margin-bottom: 2rem;
}

.login-header img {
    height: 60px;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
}

h2 {
    margin-bottom: 0.5rem;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 1rem;
    transition: all 0.2s ease;
    font-family: inherit;
}

.input-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: rgba(0, 0, 0, 0.3);
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.2);
}

/* Placeholder styling */
.input-group input::placeholder {
    color: rgba(236, 240, 241, 0.3);
}

button {
    width: 100%;
    padding: 0.9rem;
    margin-top: 1rem;
    background-color: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

button:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.4);
}

button:active {
    transform: translateY(0);
}

/* Mensagens de Erro/Sucesso */
.messages {
    margin-bottom: 1.5rem;
    text-align: left;
}

.messages p {
    padding: 0.8rem;
    border-radius: 6px;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.messages .error, .messages .warning {
    background-color: rgba(192, 57, 43, 0.2);
    border: 1px solid var(--danger-color);
    color: #e74c3c;
}

.messages .success {
    background-color: rgba(39, 174, 96, 0.2);
    border: 1px solid var(--accent-color);
    color: var(--accent-color);
}

/* Footer do login */
.login-footer {
    margin-top: 2rem;
    font-size: 0.8rem;
    color: rgba(236, 240, 241, 0.4);
}

/* Animação */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsividade Mobile */
@media (max-width: 480px) {
    .login-container {
        padding: 2rem;
        width: 90%;
    }
    
    h2 {
        font-size: 1.3rem;
    }
}