* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: #f2f4f7;
}

.login-box {
    width: 100%;
    max-width: 320px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.login-box h1 {
    margin: 0;
    color: #0f6d5f;
    font-size: 22px;
}

.login-box p {
    margin: 0 0 4px;
    color: #555;
    font-size: 14px;
}

.login-box input {
    border: 1px solid #d1d5db;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 14px;
}

.login-box button {
    background: #0f6d5f;
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 10px 16px;
    font-size: 14px;
    cursor: pointer;
}

.login-error {
    color: #c0392b;
    font-size: 13px;
}