* {
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    margin: 0;
    height: 100vh;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-box {
    background: #ffffff;
    width: 100%;
    max-width: 420px;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,.25);
    text-align: center;
}

.login-box img {
    max-width: 220px;
    margin-bottom: 25px;
}

h2 {
    margin-bottom: 25px;
    color: #0f172a;
    font-weight: 600;
}

.input-group {
    margin-bottom: 18px;
    text-align: left;
}

.input-group label {
    font-size: 14px;
    color: #475569;
}

.input-group input {
    width: 100%;
    padding: 12px;
    margin-top: 6px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    font-size: 15px;
}

.input-group input:focus {
    outline: none;
    border-color: #2563eb;
}

button {
    width: 100%;
    padding: 14px;
    background: #2563eb;
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background .3s;
}

button:hover {
    background: #1e40af;
}

.erro {
    background: #fee2e2;
    color: #b91c1c;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 15px;
    font-size: 14px;
}

.footer {
    margin-top: 25px;
    font-size: 13px;
    color: #64748b;
}