:root {
    --preto-profundo: #0a0a0b;
    --cinza-chumbo: #161b22;
    --azul-ciano: #00f2ff;
    --verde-eletrico: #00ff88; 
    --texto-principal: #f5f5f7;
    --texto-suave:#8b949e;
}


/* Definindo o "terremoto" */
@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    50% { transform: translateX(8px); }
    75% { transform: translateX(-8px); }
    100% { transform: translateX(0); }
}

/* Classe que será aplicada via JS somente se o login falhar */
.erro-shake {
    animation: shake 0.4s ease-in-out;
    border-color: #ff4d4d !important;
}





.login-body {
    background-color: var(--preto-profundo);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

.login-box {
    background-color: var(--cinza-chumbo);
    padding: 40px;
    border-radius: 15px;
    width: 100%;
    max-width: 400px;
    border: 1px solid rgba(0, 242, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: var(--texto-principal);
    font-size: 2rem;
}

.login-header span {
    color: var(--azul-ciano);
}

.login-header p {
    color: var(--texto-suave);
    font-size: 0.9rem;
    margin-top: 5px;
}

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

.input-group label {
    display: block;
    color: var(--texto-principal);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.input-group input {
    width: 100%;
    padding: 12px;
    background: #0a0a0b;
    border: 1px solid #30363d;
    border-radius: 6px;
    color: white;
    transition: 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--azul-ciano);
    box-shadow: 0 0 8px rgba(0, 242, 255, 0.2);
}

.login-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 0.85rem;
    color: var(--texto-suave);
}

.login-options a {
    color: var(--azul-ciano);
    text-decoration: none;
}

.btn-entrar {
    width: 100%;
    padding: 14px;
    background: var(--azul-ciano);
    color: var(--preto-profundo);
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.btn-entrar:hover {
    background: var(--verde-eletrico);
    transform: translateY(-2px);
}

.login-footer {
    margin-top: 25px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--texto-suave);
}

.login-footer a {
    color: var(--azul-ciano);
    text-decoration: none;
    font-weight: bold;
}