:root {
    --login-bg: #edf3f7;
    --login-ink: #102033;
    --login-ink-panel: #113039;
    --login-ink-panel-2: #0d242d;
    --login-muted: #66758a;
    --login-muted-strong: #405168;
    --login-panel: #ffffff;
    --login-panel-subtle: #f7fafc;
    --login-border: #d6e0eb;
    --login-border-strong: #b9c7d8;
    --login-primary: #2563eb;
    --login-primary-dark: #1d4ed8;
    --login-teal: #0f766e;
    --login-teal-soft: #ccfbf1;
    --login-danger: #dc2626;
    --login-focus: 0 0 0 3px rgba(37, 99, 235, 0.16);
    --login-panel-shadow: 0 28px 64px rgba(18, 32, 51, 0.18);
    --login-space-1: 4px;
    --login-space-2: 8px;
    --login-space-3: 12px;
    --login-space-4: 16px;
    --login-space-5: 20px;
    --login-space-6: 24px;
    --login-space-8: 32px;
    --login-radius: 8px;
    --login-radius-sm: 6px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    min-height: 100%;
    background: var(--login-bg);
}

body {
    min-height: 100vh;
    min-height: 100dvh;
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'PingFang SC', sans-serif;
    color: var(--login-ink);
    background:
        linear-gradient(90deg, var(--login-ink-panel) 0 41%, rgba(237, 243, 247, 0) 41%),
        linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(15, 118, 110, 0.06) 42%, rgba(237, 243, 247, 0) 72%),
        var(--login-bg);
}

button,
input {
    font: inherit;
}

.login-shell {
    min-height: 100vh;
    min-height: 100dvh;
    width: min(1160px, calc(100vw - 64px));
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(min(100%, 340px), 448px);
    align-items: center;
    gap: clamp(32px, 6vw, 84px);
    padding: clamp(28px, 5vh, 48px) 0;
}

.login-brand {
    min-width: 0;
    color: #f8fafc;
    position: relative;
    padding: var(--login-space-8) 0;
}

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: var(--login-space-4);
    margin-bottom: 44px;
}

.login-logo-frame {
    width: 136px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--login-radius);
    background: #fff;
    box-shadow: 0 6px 8px rgba(3, 14, 18, 0.16);
}

.login-logo {
    width: 104px;
    height: 42px;
    object-fit: contain;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--login-space-2);
    min-height: 36px;
    padding: 0 var(--login-space-3);
    border-radius: var(--login-radius-sm);
    color: #d8fffb;
    background: rgba(15, 118, 110, 0.28);
    border: 1px solid rgba(153, 246, 228, 0.38);
    font-size: 0.92rem;
    font-weight: 700;
}

.brand-badge i {
    font-size: 0.92rem;
}

.brand-heading h1 {
    max-width: 540px;
    font-size: 3.1rem;
    line-height: 1.08;
    letter-spacing: 0;
    font-weight: 800;
    text-wrap: balance;
    overflow-wrap: anywhere;
}

.brand-heading p {
    margin-top: var(--login-space-4);
    color: #b7d9d8;
    font-size: 1.18rem;
    line-height: 1.5;
    font-weight: 600;
}

.access-visual {
    position: relative;
    width: min(420px, 100%);
    height: 180px;
    margin-top: 54px;
    overflow: hidden;
}

.access-line,
.access-node,
.access-panel {
    position: absolute;
    display: block;
}

.access-line {
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(183, 217, 216, 0.28);
}

.access-line-top {
    top: 32px;
}

.access-line-mid {
    top: 88px;
    left: 64px;
}

.access-line-bottom {
    bottom: 34px;
    right: 64px;
}

.access-node {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #5eead4;
    box-shadow: 0 0 0 6px rgba(94, 234, 212, 0.14);
}

.access-node-a {
    top: 27px;
    left: 56px;
}

.access-node-b {
    top: 83px;
    right: 138px;
}

.access-node-c {
    bottom: 29px;
    left: 188px;
}

.access-panel {
    height: 42px;
    border-radius: var(--login-radius-sm);
    background: rgba(248, 250, 252, 0.11);
    border: 1px solid rgba(183, 217, 216, 0.22);
}

.access-panel-a {
    top: 10px;
    right: 48px;
    width: 146px;
}

.access-panel-b {
    bottom: 12px;
    right: 0;
    width: 212px;
}

.login-panel {
    width: 100%;
    padding: 38px;
    border-radius: var(--login-radius);
    background: var(--login-panel);
    box-shadow: var(--login-panel-shadow);
}

.login-panel-header {
    display: flex;
    align-items: center;
    gap: var(--login-space-4);
    margin-bottom: 30px;
}

.login-panel-mark {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    border-radius: var(--login-radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--login-primary);
    background: #eef4ff;
}

.login-panel h2 {
    font-size: 1.42rem;
    line-height: 1.25;
    letter-spacing: 0;
    font-weight: 800;
    overflow-wrap: anywhere;
}

.login-panel p {
    margin-top: var(--login-space-1);
    color: var(--login-muted);
    font-size: 0.95rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--login-space-4);
}

.login-field {
    display: flex;
    flex-direction: column;
    gap: var(--login-space-2);
}

.login-form label {
    color: var(--login-muted-strong);
    font-size: 0.92rem;
    font-weight: 700;
}

.input-shell {
    min-height: 48px;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    align-items: center;
    border: 1px solid var(--login-border);
    border-radius: var(--login-radius-sm);
    background: var(--login-panel-subtle);
    transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.input-shell:focus-within {
    border-color: var(--login-primary);
    background: #fff;
    box-shadow: var(--login-focus);
}

.input-shell > i {
    color: #6a7b91;
    text-align: center;
    font-size: 0.95rem;
}

.input-shell input {
    width: 100%;
    min-width: 0;
    height: 46px;
    border: 0;
    outline: none;
    color: var(--login-ink);
    background: transparent;
    font-size: 1rem;
}

.input-shell input::placeholder {
    color: #526278;
}

.input-shell:has(.password-toggle) {
    grid-template-columns: minmax(0, 1fr) 64px;
}

.input-shell.text-input {
    grid-template-columns: minmax(0, 1fr);
}

.input-shell.password-input {
    grid-template-columns: minmax(0, 1fr) 64px;
}

.input-shell.text-input input,
.input-shell.password-input input {
    padding: 0 14px;
}

.password-toggle {
    width: 64px;
    height: 44px;
    border: 0;
    border-radius: var(--login-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #5d6d83;
    background: transparent;
    cursor: pointer;
    transition: color 0.18s ease, background 0.18s ease;
}

.captcha-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 150px 44px;
    align-items: center;
    gap: var(--login-space-2);
}

.captcha-image {
    width: 150px;
    height: 48px;
    border: 1px solid var(--login-border);
    border-radius: var(--login-radius-sm);
    object-fit: cover;
    background: var(--login-panel-subtle);
}

.captcha-refresh {
    width: 44px;
    height: 44px;
    border: 1px solid var(--login-border);
    border-radius: var(--login-radius-sm);
    color: var(--login-muted-strong);
    background: #fff;
    cursor: pointer;
    font-size: 1.25rem;
}

.captcha-refresh:hover,
.captcha-refresh:focus-visible {
    color: var(--login-primary);
    border-color: var(--login-primary);
}

.login-status {
    min-height: 0;
    color: var(--login-teal);
    font-size: 0.9rem;
}

.login-status:not(:empty) {
    min-height: 22px;
}

.auth-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--login-space-3);
    color: var(--login-muted);
    font-size: 0.88rem;
}

.auth-links a {
    color: var(--login-primary-dark);
    font-weight: 700;
    text-decoration: none;
}

.auth-links a:hover {
    text-decoration: underline;
}

.auth-panel-wide {
    max-width: 720px;
}

.admin-users-wrap {
    overflow-x: auto;
    border: 1px solid var(--login-border);
    border-radius: var(--login-radius-sm);
}

.admin-users-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 620px;
}

.admin-users-table th,
.admin-users-table td {
    padding: 12px;
    border-bottom: 1px solid var(--login-border);
    text-align: left;
    font-size: 0.9rem;
}

.admin-users-table th {
    color: var(--login-muted-strong);
    background: var(--login-panel-subtle);
}

.user-action {
    border: 1px solid var(--login-border);
    border-radius: var(--login-radius-sm);
    padding: 6px 9px;
    margin: 2px;
    background: #fff;
    color: var(--login-ink);
    cursor: pointer;
}

.temporary-password {
    min-height: 22px;
    color: var(--login-teal);
    font-weight: 700;
    overflow-wrap: anywhere;
}

.password-toggle:hover {
    color: var(--login-primary-dark);
    background: rgba(37, 99, 235, 0.08);
}

.password-toggle:focus-visible,
.login-submit:focus-visible {
    outline: 3px solid rgba(37, 99, 235, 0.24);
    outline-offset: 2px;
}

.login-error {
    min-height: 22px;
    color: var(--login-danger);
    font-size: 0.9rem;
    line-height: 1.4;
}

.login-submit {
    min-height: 48px;
    border: 0;
    border-radius: var(--login-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--login-space-2);
    color: #fff;
    background: var(--login-primary);
    font-size: 1rem;
    font-weight: 800;
    cursor: pointer;
    transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.login-submit:hover {
    background: var(--login-primary-dark);
    box-shadow: 0 6px 8px rgba(37, 99, 235, 0.2);
}

.login-submit:active {
    transform: translateY(1px);
}

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

.login-submit.is-loading i {
    display: none;
}

@media (max-width: 1060px) {
    body {
        background:
            linear-gradient(180deg, var(--login-ink-panel) 0 305px, rgba(237, 243, 247, 0) 305px),
            linear-gradient(135deg, rgba(37, 99, 235, 0.08) 0%, rgba(15, 118, 110, 0.06) 48%, rgba(237, 243, 247, 0) 78%),
            var(--login-bg);
    }

    .login-shell {
        width: min(100% - 32px, 520px);
        grid-template-columns: 1fr;
        align-items: start;
        align-content: start;
        gap: 26px;
        padding: 26px 0 34px;
    }

    .login-brand {
        padding: 0;
    }

    .brand-lockup {
        width: 100%;
        justify-content: space-between;
        margin-bottom: 28px;
    }

    .brand-heading h1 {
        max-width: 100%;
        font-size: 2.28rem;
    }

    .brand-heading p {
        margin-top: var(--login-space-2);
        font-size: 1rem;
    }

    .access-visual {
        height: 88px;
        margin-top: 22px;
        opacity: 0.78;
    }

    .access-panel-a,
    .access-panel-b {
        height: 30px;
    }

    .login-panel {
        padding: 30px;
        box-shadow: 0 18px 42px rgba(18, 32, 51, 0.16);
    }
}

@media (max-height: 760px) and (min-width: 1061px) {
    .login-shell {
        padding: 24px 0;
    }

    .brand-lockup {
        margin-bottom: 28px;
    }

    .brand-heading h1 {
        font-size: 2.62rem;
    }

    .access-visual {
        height: 116px;
        margin-top: 28px;
    }

    .login-panel {
        padding: 30px;
    }

    .login-panel-header {
        margin-bottom: 24px;
    }
}

@media (max-width: 460px) {
    body {
        background:
            linear-gradient(180deg, var(--login-ink-panel) 0 282px, rgba(237, 243, 247, 0) 282px),
            var(--login-bg);
    }

    .login-shell {
        width: calc(100% - 24px);
        padding: 20px 0 28px;
    }

    .brand-lockup {
        flex-wrap: wrap;
        gap: var(--login-space-3);
        margin-bottom: 24px;
    }

    .login-logo-frame {
        width: 118px;
        height: 50px;
    }

    .login-logo {
        width: 92px;
        height: 38px;
    }

    .brand-badge {
        min-height: 34px;
        padding: 0 10px;
        font-size: 0.86rem;
    }

    .brand-heading h1 {
        font-size: 1.95rem;
        line-height: 1.14;
    }

    .access-visual {
        display: none;
    }

    .login-panel {
        padding: 26px;
    }

    .login-panel-header {
        align-items: flex-start;
        margin-bottom: 26px;
    }

    .captcha-grid {
        grid-template-columns: minmax(0, 1fr) 112px 44px;
    }

    .captcha-image {
        width: 112px;
    }

    .auth-links {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}