:root {
    --page-bg: #f3f4f8;
    --page-glow: rgba(148, 163, 184, 0.24);
    --card-bg: rgba(255, 255, 255, 0.92);
    --card-line: rgba(255, 255, 255, 0.88);
    --card-shadow: 0 28px 80px rgba(15, 23, 42, 0.10);
    --text-main: #1f1f23;
    --text-soft: #8b9098;
    --input-line: #d8dbe2;
    --input-bg: rgba(255, 255, 255, 0.92);
    --input-focus: #7c8cff;
    --button-bg: #ffffff;
    --button-text: #121212;
    --button-line: #d7d9df;
    --error-bg: #fff1f2;
    --error-text: #b42318;
}

* {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    font-family: "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--text-main);
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.65), rgba(255, 255, 255, 0.4)),
        radial-gradient(circle at 0% 0%, var(--page-glow), transparent 28%),
        radial-gradient(circle at 100% 0%, rgba(226, 232, 240, 0.5), transparent 32%),
        var(--page-bg);
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 32px;
}

.login-card {
    position: relative;
    width: min(1120px, 100%);
    min-height: min(760px, calc(100vh - 64px));
    border-radius: 34px;
    border: 1px solid var(--card-line);
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
    backdrop-filter: blur(10px);
    padding: 34px;
}

.login-card::before,
.login-card::after {
    content: "";
    position: absolute;
    inset: 16px;
    border-radius: 28px;
    pointer-events: none;
}

.login-card::before {
    border: 1px solid rgba(255, 255, 255, 0.72);
}

.login-card::after {
    inset: auto 30px 24px auto;
    width: 74px;
    height: 74px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(226, 232, 240, 0.32), transparent 72%);
    filter: blur(6px);
}

.login-card-dots {
    position: absolute;
    top: 22px;
    right: 22px;
    display: flex;
    gap: 5px;
}

.login-card-dots span {
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.55);
}

.login-layout {
    min-height: 100%;
    display: grid;
    grid-template-columns: minmax(320px, 0.95fr) minmax(420px, 1.05fr);
    gap: 28px;
    align-items: stretch;
}

.login-brand {
    border-radius: 28px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 247, 251, 0.94)),
        radial-gradient(circle at 0 0, rgba(226, 232, 240, 0.32), transparent 40%);
    border: 1px solid rgba(226, 232, 240, 0.95);
    padding: 34px 28px;
    display: grid;
    align-content: center;
    justify-items: center;
    text-align: center;
    gap: 20px;
}

.login-brand img {
    width: min(180px, 40vw);
    max-width: 100%;
    height: auto;
    display: block;
}

.brand-badge {
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(241, 245, 249, 0.96);
    color: #6b7280;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.brand-copy {
    display: grid;
    gap: 8px;
}

.brand-title {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.login-form-panel {
    display: grid;
    align-content: center;
    padding: 26px 22px;
}

.form-copy {
    display: grid;
    gap: 10px;
    margin-bottom: 28px;
}

.form-copy h1 {
    margin: 0;
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--text-soft);
}

.form-copy p {
    margin: 0;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-soft);
    white-space: nowrap;
}

.login-error {
    margin: 0 0 18px;
    border: 1px solid rgba(180, 35, 24, 0.14);
    border-radius: 18px;
    padding: 14px 18px;
    font-size: 15px;
    background: var(--error-bg);
    color: var(--error-text);
}

.login-form {
    display: grid;
    gap: 22px;
}

.field {
    display: grid;
    gap: 14px;
}

.field span {
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.01em;
}

.field input {
    width: 100%;
    min-height: 66px;
    border: 1px solid var(--input-line);
    border-radius: 18px;
    padding: 0 20px;
    background: var(--input-bg);
    font-size: 19px;
    color: var(--text-main);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.field input::placeholder {
    color: #b0b3b8;
}

.field input:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 4px rgba(124, 140, 255, 0.12);
}

.remember-row {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    margin-top: -4px;
    color: var(--text-soft);
    font-size: 15px;
    cursor: pointer;
    user-select: none;
}

.remember-row input {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--input-focus);
}

.remember-row span {
    line-height: 1.4;
}

.login-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: -4px;
}

.meta-chip,
.meta-link {
    font-size: 15px;
    color: var(--text-soft);
}

.meta-chip {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(241, 245, 249, 0.95);
}

.login-form button {
    min-height: 64px;
    border: 1px solid var(--button-line);
    border-radius: 20px;
    background: var(--button-bg);
    color: var(--button-text);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.login-form button:hover {
    transform: translateY(-1px);
    border-color: #c6c9d1;
    box-shadow: 0 14px 26px rgba(15, 23, 42, 0.08);
}

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

@media (max-width: 720px) {
    .login-shell {
        padding: 18px;
    }

    .login-card {
        min-height: auto;
        padding: 70px 20px 24px;
        border-radius: 28px;
    }

    .login-layout {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .login-brand {
        padding: 26px 18px;
        gap: 14px;
    }

    .login-brand img {
        width: min(150px, 46vw);
    }

    .brand-title {
        font-size: 26px;
    }

    .form-copy {
        margin-bottom: 20px;
    }

    .form-copy p {
        font-size: 15px;
        white-space: normal;
    }

    .login-form-panel {
        padding: 6px 0 0;
    }

    .field span {
        font-size: 17px;
    }

    .field input {
        min-height: 62px;
        padding: 0 18px;
        font-size: 18px;
        border-radius: 16px;
    }

    .login-meta {
        display: grid;
        justify-items: start;
    }

    .login-form button {
        min-height: 62px;
        font-size: 19px;
        border-radius: 18px;
    }
}