:root {
    --radf-ink: #0d0e0e;
    --radf-panel: #171816;
    --radf-panel-soft: #1c1d1a;
    --radf-paper: #f2f1eb;
    --radf-muted: #92938c;
    --radf-yellow: #f2d34f;
    --radf-line: rgba(242, 241, 235, 0.13);
    --radf-mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
    --radf-sans: Manrope, "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", "Segoe UI", sans-serif;
}

html,
body.login-page {
    min-height: 100%;
}

body.login-page {
    position: relative;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--radf-paper);
    background: radial-gradient(ellipse at 78% 8%, rgba(242, 211, 79, 0.07), transparent 30%), var(--radf-ink);
    color-scheme: dark;
    font-family: var(--radf-sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

.login-page *,
.login-page *::before,
.login-page *::after {
    box-sizing: border-box;
}

.login-page a {
    color: inherit;
    text-decoration: none;
}

.login-page button,
.login-page input {
    font: inherit;
}

.login-page::before {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: linear-gradient(rgba(242, 241, 235, 0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(242, 241, 235, 0.025) 1px, transparent 1px);
    background-size: 56px 56px;
    content: "";
    pointer-events: none;
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 86%);
    mask-image: linear-gradient(to bottom, #000 0%, transparent 86%);
}

.login-page::after {
    position: fixed;
    top: -170px;
    right: -160px;
    z-index: 0;
    width: 480px;
    height: 480px;
    border: 1px solid rgba(242, 211, 79, 0.1);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(242, 211, 79, 0.08), transparent 68%);
    content: "";
    pointer-events: none;
}

.login-shell {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 420px);
    align-items: center;
    gap: clamp(48px, 8vw, 112px);
    width: min(1160px, calc(100% - 80px));
    min-height: 100vh;
    margin: 0 auto;
    padding: 54px 0;
}

.login-brand {
    max-width: 640px;
    animation: loginBrandIn 0.7s ease-out both;
}

.brand-top {
    display: flex;
    align-items: center;
    gap: 11px;
}

.brand-mark {
    display: block;
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
}

.brand-name {
    color: var(--radf-paper);
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.brand-name small {
    display: block;
    margin-top: 3px;
    color: var(--radf-muted);
    font: 8px var(--radf-mono);
    letter-spacing: 0.2em;
}

.brand-badge {
    margin-left: 6px;
    padding: 5px 7px;
    border: 1px solid rgba(242, 211, 79, 0.35);
    color: var(--radf-yellow);
    font: 8px var(--radf-mono);
    letter-spacing: 0.12em;
}

.brand-copy {
    margin-top: clamp(62px, 13vh, 126px);
}

.brand-eyebrow {
    display: flex;
    align-items: center;
    gap: 11px;
    margin: 0 0 22px;
    color: #a6a69e;
    font: 9px var(--radf-mono);
    letter-spacing: 0.17em;
}

.brand-eyebrow span {
    width: 24px;
    height: 1px;
    background: var(--radf-yellow);
}

.brand-copy h1 {
    max-width: 650px;
    margin: 0;
    color: var(--radf-paper);
    font-size: clamp(38px, 5vw, 64px);
    font-weight: 650;
    line-height: 1.16;
    letter-spacing: -0.055em;
}

.brand-copy h1 em {
    color: var(--radf-yellow);
    font-style: normal;
}

.brand-lede {
    max-width: 480px;
    margin: 22px 0 0;
    color: #a8a8a1;
    font-size: 12px;
    line-height: 1.85;
}

.brand-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 30px;
}

.brand-features span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid rgba(242, 241, 235, 0.14);
    color: #b2b2aa;
    background: rgba(23, 24, 22, 0.58);
    font-size: 10px;
}

.brand-features i {
    color: var(--radf-yellow);
    font-size: 5px;
}

.brand-foot {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: clamp(52px, 10vh, 96px);
    padding-top: 16px;
    border-top: 1px solid var(--radf-line);
    color: #777871;
    font: 8px var(--radf-mono);
    letter-spacing: 0.1em;
}

.login-card-wrap {
    display: flex;
    justify-content: flex-end;
}

.login-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    padding: 34px 30px 22px;
    overflow: hidden;
    border: 1px solid var(--radf-line);
    background: linear-gradient(145deg, var(--radf-panel-soft), var(--radf-panel) 70%);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
    animation: loginCardIn 0.65s ease-out 0.06s both;
}

.login-card::before {
    position: absolute;
    top: 0;
    right: 20px;
    left: 20px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(242, 211, 79, 0.75), transparent);
    content: "";
}

.login-card-head {
    margin-bottom: 26px;
}

.card-kicker {
    display: block;
    margin-bottom: 12px;
    color: var(--radf-yellow);
    font: 8px var(--radf-mono);
    letter-spacing: 0.17em;
}

.login-card-head h2 {
    margin: 0;
    color: var(--radf-paper);
    font-size: 27px;
    font-weight: 650;
    line-height: 1.2;
    letter-spacing: -0.04em;
}

.login-card-head p {
    margin: 9px 0 0;
    color: var(--radf-muted);
    font-size: 11px;
}

.field {
    margin-top: 17px;
}

.field label {
    display: block;
    margin-bottom: 7px;
    color: #b2b2aa;
    font-size: 10px;
    font-weight: 600;
}

.input-shell {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 48px;
    padding: 0 12px;
    border: 1px solid rgba(242, 241, 235, 0.16);
    background: rgba(13, 14, 14, 0.72);
    transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.input-shell > i {
    flex: 0 0 15px;
    width: 15px;
    color: #777871;
    font-size: 13px;
    text-align: center;
}

.input-shell input {
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    outline: 0;
    color: var(--radf-paper);
    background: transparent;
    font-size: 12px;
}

.input-shell input::placeholder {
    color: #6f706a;
}

.input-shell:focus-within {
    border-color: rgba(242, 211, 79, 0.78);
    background: rgba(242, 211, 79, 0.035);
    box-shadow: 0 0 0 2px rgba(242, 211, 79, 0.1);
}

.input-shell:focus-within > i {
    color: var(--radf-yellow);
}

.field-captcha .captcha-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 104px;
    gap: 9px;
}

.captcha-image {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    height: 48px;
    overflow: hidden;
    border: 1px solid rgba(242, 241, 235, 0.2);
    background: #f2f1eb;
}

.captcha-image img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
}

.login-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 18px;
    margin-top: 15px;
}

.remember {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: #a8a8a1;
    font-size: 10px;
    font-weight: 400;
    cursor: pointer;
    user-select: none;
}

.remember input {
    width: 14px;
    height: 14px;
    margin: 0;
    accent-color: var(--radf-yellow);
    cursor: pointer;
}

.login-meta-note {
    color: #777871;
    font: 8px var(--radf-mono);
    letter-spacing: 0.12em;
    white-space: nowrap;
}

.login-submit {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    height: 48px;
    margin-top: 20px;
    padding: 0 14px;
    border: 1px solid var(--radf-yellow);
    color: #17160f;
    background: var(--radf-yellow);
    font-size: 11px;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.login-submit i {
    font-size: 12px;
}

.login-submit:hover {
    transform: translateY(-1px);
    background: #ffe66c;
    box-shadow: 0 8px 24px rgba(242, 211, 79, 0.16);
}

.login-submit:active {
    transform: translateY(0);
}

.login-submit:disabled {
    cursor: wait;
    opacity: 0.72;
    transform: none;
}

.login-card-foot {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 22px;
    padding-top: 14px;
    border-top: 1px solid var(--radf-line);
    color: #777871;
    font: 8px var(--radf-mono);
    letter-spacing: 0.1em;
}

.login-page label.error {
    position: static !important;
    display: block;
    margin-top: 6px;
    color: #ff9d8b;
    font-size: 10px;
    font-weight: 400;
    line-height: 1.45;
}

.login-page label.error i {
    margin-right: 4px;
}

.login-page input.error {
    border-color: rgba(255, 121, 95, 0.72) !important;
}

.login-page .layer-ext-moon-msg {
    border: 1px solid rgba(242, 241, 235, 0.16);
    color: var(--radf-paper);
    background: rgba(23, 24, 22, 0.98);
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.42);
}

.login-page .layer-ext-moon-msg .layui-layer-content {
    padding: 12px 22px;
    font-size: 12px;
    text-align: center;
}

.login-page input:-webkit-autofill,
.login-page input:-webkit-autofill:hover,
.login-page input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--radf-paper);
    box-shadow: 0 0 0 1000px #10110f inset;
    transition: background-color 9999s ease-out 0s;
}

@keyframes loginBrandIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes loginCardIn {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 1020px) {
    .login-shell {
        grid-template-columns: 1fr;
        gap: 34px;
        width: min(480px, calc(100% - 40px));
        padding: 42px 0;
    }

    .login-brand { max-width: none; }
    .brand-copy { margin-top: 34px; }
    .brand-copy h1 { font-size: clamp(34px, 8vw, 46px); }
    .brand-features { margin-top: 20px; }
    .brand-foot { display: none; }
    .login-card-wrap { justify-content: center; }
    .login-card { max-width: none; }
}

@media (max-width: 520px) {
    .login-shell { width: calc(100% - 32px); gap: 24px; padding: 24px 0; }
    .brand-mark { width: 34px; height: 34px; flex-basis: 34px; }
    .brand-name { font-size: 14px; }
    .brand-badge { margin-left: auto; font-size: 7px; }
    .brand-copy { margin-top: 28px; }
    .brand-copy h1 { font-size: 34px; }
    .brand-lede { margin-top: 14px; font-size: 11px; }
    .brand-features { gap: 6px; margin-top: 16px; }
    .brand-features span { padding: 6px 8px; font-size: 9px; }
    .login-card { padding: 25px 19px 18px; }
    .login-card-head { margin-bottom: 20px; }
    .login-card-head h2 { font-size: 24px; }
    .field-captcha .captcha-shell { grid-template-columns: minmax(0, 1fr) 92px; }
}

@media (prefers-reduced-motion: reduce) {
    .login-brand,
    .login-card { animation: none; }
    .login-submit { transition: none; }
}

.slider-captcha-box {
    display: flex;
    justify-content: center;
    margin-top: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.slider-captcha-box[hidden] {
    display: none;
}

.slider-captcha-box #tianai-captcha-parent {
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.24);
}

.captcha-hint {
    margin: 8px 0 0;
    color: var(--radf-muted);
    font-size: 11px;
    line-height: 1.5;
    text-align: center;
}

.captcha-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    background: rgba(8, 9, 8, 0.76);
    backdrop-filter: blur(7px);
}

.captcha-modal[hidden] {
    display: none;
}

body.captcha-open {
    overflow: hidden;
}

.captcha-modal-card {
    width: min(368px, 100%);
    padding: 18px;
    border: 1px solid var(--radf-line);
    background: var(--radf-panel);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.55);
}

.captcha-modal-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 8px;
}

.captcha-modal-head h3 {
    margin: 6px 0 0;
    color: var(--radf-paper);
    font-size: 19px;
    letter-spacing: -0.03em;
}

.captcha-close {
    width: 30px;
    height: 30px;
    border: 1px solid var(--radf-line);
    background: transparent;
    color: var(--radf-muted);
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
}

.captcha-close:hover {
    border-color: var(--radf-yellow);
    color: var(--radf-yellow);
}

.captcha-modal .slider-captcha-box {
    margin-top: 10px;
}

.captcha-modal .captcha-hint {
    margin-top: 10px;
}