/* Estilos Globais */
body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: 'Montserrat', sans-serif;
    box-sizing: border-box;
    transition: background-color 0.3s, color 0.3s;
}

/* Tema Claro com Degradê */
.light-theme {
    background: linear-gradient(to bottom, #ffffff, #f2f2f2);
    color: #333;
}

/* Tema Escuro */
.dark-theme {
    background-color: #121212;
    color: #e0e0e0;
}

.dark-theme a,
.dark-theme p,
.dark-theme span,
.dark-theme label {
    color: #e0e0e0 !important;
}

/* Tela de Login */
.main-login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    padding: 20px;
    background: linear-gradient(to bottom, #d62828, #ff5f5f);
    transition: background 0.3s ease;
    flex-direction: column;
}

.dark-theme .main-login {
    background: linear-gradient(to bottom, #1a1a1a, #333);
}

.main-login > div {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-direction: column;
}

/* Left Login */
.left-login {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-size: 32px;
    color: #fff;
}

.left-login h1 {
    font-size: 20px;
    color: #fff;
    text-align: center;
}

/* Right Login */
.right-login {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Card de Login */
.card-login {
    width: 100%;
    max-width: 400px;
    background: #fefefe;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, box-shadow 0.3s ease, color 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.dark-theme .card-login {
    background-color: #1e1e1e;
    color: #e0e0e0;
}

.card-login h1 {
    color: #d62828;
    margin-bottom: 20px;
    font-weight: bold;
    text-align: center;
}

/* Campos de Entrada */
.textfield {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin: 10px 0;
}

.textfield input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 10px;
    background-color: #f9f9f9;
    color: #333;
    font-size: 14px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.dark-theme .textfield input {
    background-color: #2a2a2a;
    border: 1px solid #444;
    color: #e0e0e0;
}

.textfield input:focus {
    background-color: #ffffff;
    border-color: #d62828;
    outline: none;
}

.dark-theme .textfield input:focus {
    background-color: #333;
    border-color: #ff4444;
}

.textfield label {
    font-size: 14px;
    color: #555;
}

.dark-theme .textfield label {
    color: #bbb;
}

/* Botões */
.btn-enviar,
.btn-cadastro {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    border: none;
    border-radius: 8px;
    text-transform: uppercase;
    font-weight: bold;
    color: #ffffff;
    background-color: #d62828;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn-enviar:hover,
.btn-cadastro:hover {
    background-color: #a91c1c;
    transform: translateY(-2px);
}

.btn-enviar:disabled,
.btn-cadastro:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

/* Feedback */
.feedback-message {
    padding: 10px;
    margin-top: 15px;
    text-align: center;
    border-radius: 5px;
    font-size: 14px;
}

.feedback-message.error {
    background-color: #d62828;
    color: #fff;
}

.feedback-message.success {
    background-color: #4CAF50;
    color: #fff;
}

/* Responsividade */
@media (max-width: 950px) {
    .card-login {
        width: 85%;
    }
}

@media (max-width: 600px) {
    .main-login {
        flex-direction: column;
        gap: 20px;
    }

    .left-login,
    .right-login {
        width: 100%;
        height: auto;
    }

    .logo img {
        max-width: 150px;
    }
}

/* Header com Degradê no Claro e Escuro */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: linear-gradient(to right, #d62828, #0000ff);
    color: white;
    transition: background 0.3s ease;
}

.dark-theme header {
    background: linear-gradient(to right, #1a1a1a, #333333);
}

#theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: white;
    transition: transform 0.2s ease;
}

#theme-toggle:hover {
    transform: scale(1.1);
}

/* Navegação */
nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 20px;
}

nav ul li {
    display: inline;
}

nav ul li a {
    text-decoration: none;
    color: #fff;
    padding: 10px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

nav ul li a:hover {
    background-color: #c62828;
    border-radius: 4px;
}

.user-options {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-options a {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: bold;
}

.user-options a i {
    font-size: 30px;
}