:root {
    --creme: #F7F3EC;
    --branco: #FFFFFF;
    --oliva: #6B7A55;
    --caramelo: #C9925A;
    --cinza-claro: #E7E5E0;
    --texto: #3A3A38;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--creme);
    font-family: 'Segoe UI', system-ui, sans-serif;
    color: var(--texto);
}

.auth-card {
    background: var(--branco);
    padding: 48px 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.06);
    width: 100%;
    max-width: 420px;
}

.auth-card h1 {
    margin: 0 0 8px;
    font-size: 28px;
    color: var(--oliva);
}

.auth-subtitle {
    margin: 0 0 28px;
    color: #6b6b68;
    line-height: 1.5;
}

label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
}

input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 20px;
    border: 1px solid var(--cinza-claro);
    border-radius: 12px;
    font-size: 15px;
    transition: border-color 0.2s ease;
}

input:focus {
    outline: none;
    border-color: var(--caramelo);
}

button[type="submit"] {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    background: var(--oliva);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

button[type="submit"]:hover {
    background: #5a684a;
}

.auth-skip {
    margin-top: 12px;
}

.link-button {
    width: 100%;
    background: none;
    border: none;
    color: #8a8a86;
    font-size: 14px;
    cursor: pointer;
    text-decoration: underline;
}

.auth-error {
    background: #fbeaea;
    color: #a33;
    padding: 12px 14px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}

/* Assinatura Dule Digital */
.dule-signature {
    text-align: center;
    font-size: 12px;
    color: #b9b9b3;
    margin: 24px 0 0;
}
.dule-signature strong { color: #8a8a86; font-weight: 700; }