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

:root {
    --cor-primaria: #013341;
    --cor-secundaria: #0056b3;
    --cor-fundo-escuro: #0b1f26;
    --cor-card: #ffffff;
    --cor-texto: #2b2b2b;
    --cor-texto-claro: #313131;
    --cor-borda: #dcdcdc;
    --sombra-forte: 0 20px 40px rgba(0, 0, 0, 0.25);
    --raio: 10px;

    /* NOVAS CORES PARA NOTIFICAÇÕES */
    --cor-erro: #dc3545;
    --cor-sucesso: #28a745;
    --cor-aviso: #ffc107;
}

body {
    font-family: 'Poppins', sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg,
            var(--cor-primaria),
            var(--cor-fundo-escuro));
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    background-color: var(--cor-card);
    border-radius: var(--raio);
    box-shadow: var(--sombra-forte);
    padding: 2.5rem 2rem;
    position: relative;
}

.login-container::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    height: 6px;
    width: 100%;
    background: linear-gradient(90deg,
            var(--cor-secundaria),
            var(--cor-primaria));
    border-radius: var(--raio) var(--raio) 0 0;
}

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

.login-header img {
    width: 70px;
    margin-bottom: 0.8rem;
}

.login-header h1 {
    font-size: 1.9rem;
    color: var(--cor-primaria);
    font-weight: 700;
}

.login-header span {
    font-size: 0.85rem;
    color: var(--cor-texto-claro);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cor-texto-claro);
    margin-bottom: 0.3rem;
}

.form-group input {
    height: 44px;
    padding: 0 0.8rem;
    border-radius: var(--raio);
    border: 1px solid var(--cor-borda);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--cor-secundaria);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.15);
}

.btn-login {
    height: 46px;
    background-color: var(--cor-primaria);
    color: #fff;
    border: none;
    border-radius: var(--raio);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background-color: var(--cor-secundaria);
    transform: translateY(-2px);
}

.btn-login:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    transform: none;
}

.register-link {
    text-align: center;
    font-size: 0.85rem;
    color: var(--cor-texto-claro);
    margin-top: 0.5rem;
}

.register-link a {
    color: var(--cor-secundaria);
    font-weight: 700;
    text-decoration: none;
    transition: color 0.3s ease;
}

.register-link a:hover {
    color: var(--cor-primaria);
    text-decoration: underline;
}

.login-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--cor-texto-claro);
}

.notification-popup {
    display: none;
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    padding: 15px 30px;
    border-radius: var(--raio);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    font-size: 0.95rem;
    font-weight: 600;
    z-index: 1001;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
    text-align: center;
    min-width: 280px;
}

.notification-popup.sucesso {
    background-color: var(--cor-sucesso);
}

.notification-popup.erro {
    background-color: var(--cor-erro);
}

.notification-popup.aviso {
    background-color: var(--cor-aviso);
    color: var(--cor-texto);
}

.notification-popup.show {
    display: block;
    opacity: 1;
}

.page-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
}

.page-overlay.show {
    display: block;
    opacity: 1;
}

@media (max-width: 768px) {
    .login-container {
        max-width: 90%;
        padding: 2rem 1.5rem;
    }

    .login-header h1 {
        font-size: 1.5rem;
    }

    .notification-popup {
        min-width: 250px;
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .login-container {
        max-width: 95%;
        padding: 1.5rem 1rem;
    }

    .login-header h1 {
        font-size: 1.3rem;
    }
}