:root {
    color-scheme: light dark;
    --background: #eef3f7;
    --surface: #ffffff;
    --text: #182631;
    --muted: #647481;
    --border: #d1dce4;
    --accent: #168b80;
    --accent-hover: #11756c;
    --danger: #b4232f;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background: #14212a;
        --surface: #1d2d38;
        --text: #ecf5f7;
        --muted: #a7bac4;
        --border: #3a4d59;
        --accent: #42a99f;
        --accent-hover: #55bbb1;
        --danger: #ff8490;
    }
}

* {
    box-sizing: border-box;
}

html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--background);
    color: var(--text);
    font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif;
}

.topbar {
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 10px max(20px, calc((100vw - 1080px) / 2));
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.brand {
    color: var(--text);
    font-size: 18px;
    text-decoration: none;
}

.session {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-left: auto;
}

.admin-nav a {
    padding: 6px 10px;
    border-radius: 6px;
    color: var(--text);
    font-size: 14px;
    text-decoration: none;
}

.admin-nav a:hover {
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.session form {
    margin: 0;
}

.link-button {
    border: 0;
    padding: 0;
    color: var(--accent);
    background: transparent;
    cursor: pointer;
    font: inherit;
    text-decoration: underline;
}

.page-shell {
    width: min(100% - 32px, 1080px);
    margin: 42px auto;
    min-width: 0;
}

.page-shell form,
.dashboard-grid,
.panel,
.field-grid,
.table-scroll {
    min-width: 0;
}

.login-card,
.content-card {
    width: min(100%, 460px);
    margin: 0 auto;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: 0 10px 35px rgb(0 0 0 / 10%);
}

.content-card {
    width: min(100%, 760px);
}

h1 {
    margin: 0 0 12px;
    font-size: 26px;
    font-weight: 600;
}

.muted {
    margin: 0 0 25px;
    color: var(--muted);
}

label {
    display: block;
    margin: 18px 0 7px;
}

input {
    width: 100%;
    height: 42px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
}

select {
    width: 100%;
    height: 42px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--surface);
    color: var(--text);
    font: inherit;
}

input:focus {
    outline: 2px solid color-mix(in srgb, var(--accent) 45%, transparent);
    border-color: var(--accent);
}

.primary-button {
    width: 100%;
    height: 42px;
    margin-top: 24px;
    border: 0;
    border-radius: 6px;
    color: #fff;
    background: var(--accent);
    cursor: pointer;
    font: inherit;
}

.primary-button:hover {
    background: var(--accent-hover);
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.primary-button.compact,
.danger-button.compact {
    width: auto;
    min-width: 150px;
    padding: 0 24px;
}

.no-margin {
    width: 100%;
    margin: 0;
}

.secondary-button,
.danger-button {
    width: 100%;
    min-height: 42px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    font: inherit;
}

.danger-button {
    border-color: var(--danger);
    color: #fff;
    background: var(--danger);
}

.page-heading,
.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

.page-heading {
    margin-bottom: 24px;
}

.page-heading h1 {
    margin: 8px 0 5px;
}

.back-link {
    color: var(--accent);
}

.account-name {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--muted);
}

.status-badge,
.mini-badge {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    white-space: nowrap;
}

.status-badge {
    padding: 7px 13px;
}

.status-badge.active {
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.status-badge.disabled {
    color: var(--danger);
    background: color-mix(in srgb, var(--danger) 14%, transparent);
}

.status-badge.expired {
    color: #b87508;
    background: color-mix(in srgb, #b87508 14%, transparent);
}

.notice {
    margin-bottom: 22px;
    padding: 12px 15px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: var(--surface);
}

.notice.success {
    border-color: var(--accent);
}

.notice.warning,
.notice.error {
    border-color: var(--danger);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.panel {
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    box-shadow: 0 5px 22px rgb(0 0 0 / 7%);
}

.panel.span-two {
    grid-column: 1 / -1;
}

.panel h2 {
    margin: 0 0 8px;
    font-size: 19px;
    font-weight: 600;
}

.small {
    margin-bottom: 14px;
    font-size: 14px;
}

.field-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.entitlements {
    display: grid;
    grid-template-columns: repeat(5, minmax(120px, 1fr));
    gap: 10px;
    margin: 22px 0 0;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.entitlements legend {
    padding: 0 8px;
}

.entitlements label,
.confirm-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.entitlements input,
.confirm-check input {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
}

.stacked-actions,
.subscription-quick-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.subscription-quick-edit {
    margin-top: 18px;
}

.subscription-quick-edit .small {
    margin-bottom: 9px;
}

.subscription-quick-actions > button {
    width: 100%;
    height: 42px;
    min-height: 42px;
    margin: 0;
}

.quick-edit-status {
    min-height: 20px;
    margin: 7px 0 0;
    color: var(--accent);
    font-size: 13px;
}

.table-scroll {
    margin-top: 14px;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}

th {
    color: var(--muted);
    font-weight: 500;
}

.mini-badge {
    margin-left: 6px;
    padding: 3px 7px;
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    font-size: 12px;
}

.empty-state {
    margin: 20px 0 0;
    padding: 18px;
    border: 1px dashed var(--border);
    border-radius: 8px;
    color: var(--muted);
    text-align: center;
}

.danger-zone {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.user-list-heading .muted {
    margin-bottom: 0;
}

.user-list-panel {
    padding: 22px;
}

.list-search-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 120px auto;
    align-items: end;
    gap: 10px;
}

.list-search-form label {
    margin-top: 0;
}

.list-clear-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-width: 72px;
    text-decoration: none;
}

.user-list-table .status-badge {
    padding: 4px 9px;
    font-size: 13px;
}

.user-name-cell {
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.table-action-link {
    color: var(--accent);
    white-space: nowrap;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-top: 20px;
}

.pagination a {
    color: var(--accent);
}

.pagination .disabled {
    color: var(--muted);
    opacity: 0.65;
}

.pagination strong {
    font-size: 14px;
    font-weight: 500;
}

.permanent-delete-panel {
    border-color: color-mix(in srgb, var(--danger) 65%, var(--border));
}

.permanent-delete-panel form {
    max-width: 620px;
}

.permanent-delete-panel .danger-button {
    margin-top: 14px;
}

.metadata .status-grid {
    margin-top: 14px;
}

.statistics-heading {
    align-items: center;
}

.statistics-heading .muted {
    margin-bottom: 0;
}

.statistics-updated {
    color: var(--muted);
    font-size: 13px;
}

.metric-card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 18px;
}

.metric-card {
    min-width: 0;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    box-shadow: 0 5px 18px rgb(0 0 0 / 6%);
}

.metric-card span,
.metric-card small {
    display: block;
    color: var(--muted);
}

.metric-card strong {
    display: block;
    margin: 5px 0 2px;
    color: var(--text);
    font-size: 28px;
    line-height: 1.1;
}

.metric-card.positive strong {
    color: var(--accent);
}

.metric-card.warning strong {
    color: #b87508;
}

.statistics-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.statistics-panel.span-two {
    grid-column: 1 / -1;
}

.statistics-list {
    margin: 10px 0 0;
}

.statistics-list > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 0;
    border-bottom: 1px solid var(--border);
}

.statistics-list > div:last-child {
    border-bottom: 0;
}

.statistics-list dt,
.statistics-list dd {
    margin: 0;
}

.statistics-list dt {
    color: var(--muted);
}

.statistics-list dd {
    font-weight: 600;
}

.distribution-list {
    display: grid;
    gap: 11px;
    margin-top: 14px;
}

.distribution-list > div {
    display: grid;
    grid-template-columns: minmax(100px, 145px) minmax(0, 1fr) 48px;
    align-items: center;
    gap: 10px;
}

.distribution-list span {
    min-width: 0;
    overflow-wrap: anywhere;
}

.distribution-list strong {
    text-align: right;
}

progress {
    width: 100%;
    height: 10px;
    border: 0;
    border-radius: 999px;
    overflow: hidden;
    background: color-mix(in srgb, var(--border) 75%, transparent);
}

progress::-webkit-progress-bar {
    border-radius: 999px;
    background: color-mix(in srgb, var(--border) 75%, transparent);
}

progress::-webkit-progress-value {
    border-radius: 999px;
    background: var(--accent);
}

progress::-moz-progress-bar {
    border-radius: 999px;
    background: var(--accent);
}

.compact-bars {
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.monthly-forecast {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 22px;
}

.monthly-forecast > div {
    grid-template-columns: 65px minmax(0, 1fr) 38px;
}

.trend-heading {
    align-items: center;
}

.trend-heading .small {
    margin-bottom: 0;
}

.range-switch {
    display: flex;
    gap: 5px;
    flex: 0 0 auto;
}

.range-switch a {
    padding: 6px 9px;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 13px;
    text-decoration: none;
}

.range-switch a.selected {
    border-color: var(--accent);
    color: #fff;
    background: var(--accent);
}

.trend-list {
    display: grid;
    gap: 0;
    margin-top: 14px;
}

.trend-row {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr) minmax(0, 1fr) 82px;
    align-items: center;
    gap: 12px;
    padding: 9px 0;
    border-bottom: 1px solid var(--border);
}

.trend-row:last-child {
    border-bottom: 0;
}

.trend-row time,
.trend-measure span {
    color: var(--muted);
    font-size: 13px;
}

.trend-measure {
    min-width: 0;
}

.trend-measure span {
    display: block;
    margin-bottom: 4px;
}

.trend-measure.renewal progress::-webkit-progress-value {
    background: #8a58c6;
}

.trend-measure.renewal progress::-moz-progress-bar {
    background: #8a58c6;
}

.trend-row > strong {
    font-size: 13px;
    text-align: right;
}

.statistics-notes p {
    margin: 8px 0 0;
    color: var(--muted);
    line-height: 1.65;
}

.search-card {
    max-width: 560px;
}

.validation {
    display: block;
    margin-top: 5px;
    color: var(--danger);
    font-size: 14px;
}

.validation:empty {
    display: none;
}

.status-grid {
    display: grid;
    grid-template-columns: minmax(130px, 190px) 1fr;
    gap: 0;
    margin: 24px 0 0;
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
}

.status-grid dt,
.status-grid dd {
    margin: 0;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    min-width: 0;
    overflow-wrap: anywhere;
}

.status-grid dt {
    color: var(--muted);
}

.status-grid dt:last-of-type,
.status-grid dd:last-of-type {
    border-bottom: 0;
}

@media (max-width: 720px) {
    .topbar {
        min-height: 50px;
        gap: 10px;
        flex-wrap: wrap;
        padding: 8px 12px 6px;
    }

    .brand {
        min-width: 0;
        font-size: 16px;
        white-space: nowrap;
    }

    .session {
        min-width: 0;
        gap: 10px;
        font-size: 14px;
    }

    .admin-nav {
        order: 3;
        width: 100%;
        margin: 0;
        padding-top: 5px;
        border-top: 1px solid var(--border);
    }

    .admin-nav a {
        flex: 1 1 0;
        padding: 5px 8px;
        text-align: center;
    }

    .session > span {
        max-width: 96px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .page-shell {
        width: calc(100% - 16px);
        margin: 12px auto 24px;
    }

    .login-card,
    .content-card {
        padding: 18px 14px;
        border-radius: 9px;
    }

    h1 {
        margin-bottom: 8px;
        font-size: 22px;
    }

    .muted {
        margin-bottom: 16px;
    }

    label {
        margin-top: 13px;
    }

    input,
    select,
    .primary-button,
    .secondary-button,
    .danger-button {
        min-height: 40px;
    }

    .primary-button {
        margin-top: 16px;
    }

    .status-grid {
        grid-template-columns: 1fr;
        margin-top: 10px;
    }

    .status-grid dt {
        padding-bottom: 4px;
        border-bottom: 0;
    }

    .status-grid dd {
        padding-top: 4px;
    }

    .dashboard-grid,
    .field-grid,
    .statistics-grid {
        grid-template-columns: 1fr;
    }

    .list-search-form {
        grid-template-columns: minmax(0, 1fr) minmax(92px, 0.45fr);
        gap: 8px;
    }

    .list-search-form > div {
        grid-column: 1 / -1;
    }

    .list-clear-link {
        width: 100%;
    }

    .user-list-panel {
        padding: 14px;
    }

    .user-name-cell {
        max-width: none;
    }

    .pagination {
        justify-content: space-between;
        gap: 8px;
        margin-top: 14px;
    }

    .dashboard-grid {
        gap: 10px;
    }

    .metric-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        margin-bottom: 10px;
    }

    .metric-card {
        padding: 12px;
        border-radius: 8px;
    }

    .metric-card strong {
        font-size: 23px;
    }

    .metric-card span,
    .metric-card small {
        font-size: 12px;
    }

    .statistics-grid {
        gap: 10px;
    }

    .statistics-panel.span-two {
        grid-column: auto;
    }

    .monthly-forecast {
        grid-template-columns: 1fr;
        gap: 9px;
    }

    .trend-heading {
        align-items: stretch;
    }

    .range-switch {
        width: 100%;
    }

    .range-switch a {
        flex: 1 1 0;
        text-align: center;
    }

    .trend-row {
        grid-template-columns: 48px minmax(0, 1fr) 63px;
        gap: 8px;
    }

    .trend-measure.renewal {
        grid-column: 2;
    }

    .trend-row > strong {
        grid-column: 3;
        grid-row: 1 / span 2;
    }

    .statistics-updated {
        align-self: flex-start;
    }

    .statistics-heading {
        align-items: flex-start;
    }

    .panel {
        padding: 15px 14px;
        border-radius: 9px;
    }

    .panel h2 {
        font-size: 18px;
    }

    .page-heading {
        margin-bottom: 14px;
    }

    .page-heading h1 {
        margin-top: 5px;
    }

    .status-badge {
        padding: 5px 10px;
    }

    .field-grid {
        gap: 4px;
    }

    .entitlements {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px 8px;
        margin-top: 15px;
        padding: 13px 12px;
    }

    .entitlements label {
        min-width: 0;
        font-size: 14px;
        overflow-wrap: anywhere;
    }

    .stacked-actions,
    .subscription-quick-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .page-heading,
    .panel-heading,
    .danger-zone {
        flex-direction: column;
        gap: 10px;
    }

    .panel-heading > span {
        font-size: 13px;
        color: var(--muted);
    }

    .table-scroll {
        margin-top: 8px;
        overflow: visible;
    }

    table,
    tbody,
    tr,
    td {
        display: block;
        width: 100%;
    }

    thead {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    tbody tr {
        margin-bottom: 10px;
        padding: 7px 10px;
        border: 1px solid var(--border);
        border-radius: 7px;
    }

    tbody tr:last-child {
        margin-bottom: 0;
    }

    td {
        display: grid;
        grid-template-columns: minmax(86px, 38%) minmax(0, 1fr);
        gap: 8px;
        padding: 6px 0;
        border-bottom: 1px solid var(--border);
        white-space: normal;
        overflow-wrap: anywhere;
    }

    td:last-child {
        border-bottom: 0;
    }

    td::before {
        content: attr(data-label);
        color: var(--muted);
        font-size: 13px;
    }

    td code {
        overflow-wrap: anywhere;
    }

    .mini-badge {
        width: fit-content;
        margin: 3px 0 0;
    }

    .danger-zone {
        align-items: stretch;
        margin-top: 12px;
        padding-top: 12px;
    }

    .confirm-check {
        align-items: flex-start;
        min-width: 0;
        font-size: 14px;
        line-height: 1.5;
        overflow-wrap: anywhere;
    }

    .primary-button.compact,
    .danger-button.compact {
        width: 100%;
    }
}