/* ===== Corpo ===== */
body {
    font-family: 'Segoe UI', sans-serif;
    background-color: #315aff;
    color: #212529;
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ===== Card do formulário ===== */
.card {
    background-color: #fff;
    color: #212529;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 2rem;
    width: 350px;
    transition: background-color 0.3s, color 0.3s;
}

/* ===== Logo ===== */
.card img {
    max-height: 40px;
}

/* ===== Inputs ===== */
.form-control {
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    transition: background-color 0.3s, border-color 0.3s, color 0.3s;
}

.form-control:focus {
    border-color: #0d6efd;
    box-shadow: none;
}

/* ===== Botão de login ===== */
.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: #fff;
    font-weight: 500;
    transition: background-color 0.3s, border-color 0.3s;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
}

/* ===== Mensagem ===== */
#mensagem {
    font-size: 0.9rem;
}

/* ===== Dark Mode ===== */

body.dark-theme .card {
    background-color: #1e1e1e;
    color: #f8f9fa;
    border: 1px solid #333;
}

body.dark-theme .form-control {
    background-color: #2a2a2a;
    color: #f8f9fa;
    border: 1px solid #444;
}

body.dark-theme .form-control:focus {
    border-color: #0d6efd;
    box-shadow: none;
}

body.dark-theme .btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

body.dark-theme .btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
}

/* ===== Botão de tema flutuante ===== */
#themeToggle {
    z-index: 1050;
    border: none;
}

/* ===== Links ===== */
a {
    text-decoration: none;
}

body.dark-theme a {
    color: #0d6efd;
}

body.dark-theme a:hover {
    color: #66b2ff;
}