body {
    margin: 0;
    background: #f7f8fa;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
    color: #1f2937;
}

.login-shell {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    background: #f7f8fa;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.05);
}

.login-tab {
    color: #6b7280;
    background: transparent;
}

.login-tab.is-active {
    color: #222222;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.login-input {
    width: 100%;
    height: 52px;
    border-radius: 14px;
    border: 1px solid #e5e7eb;
    background: #f9fafb;
    padding: 0 16px;
    font-size: 14px;
    color: #374151;
    outline: none;
    box-sizing: border-box;
}

.login-submit {
    width: 100%;
    height: 52px;
    border: 0;
    border-radius: 9999px;
    background: #e57439;
    color: #ffffff;
    font-size: 17px;
    font-weight: 600;
    box-shadow: 0 10px 24px rgba(229, 116, 57, 0.24);
}