:root {
    --bg: #f0f3f8;
    --panel: #ffffff;
    --panel-alt: #eaeff6;
    --text: #172030;
    --muted: #5a6878;
    --line: #d4dce8;
    --nav: #0d1b2e;
    --nav-hover: rgba(255,255,255,0.07);
    --accent: #1a6fe8;
    --accent-dark: #1558c0;
    --warn: #c67c0f;
    --danger: #bd3c4b;
    --success-bg: #e6f4f1;
    --danger-bg: #fdecee;
    --warn-bg: #fff5e6;
    --topbar-bg: #ffffff;
    --topbar-border: #dde4ee;
}

body[data-theme="dark"] {
    --bg: #111827;
    --panel: #1f2937;
    --panel-alt: #182334;
    --text: #e8edf5;
    --muted: #a8b3c4;
    --line: #334155;
    --nav: #080f1a;
    --nav-hover: rgba(255,255,255,0.07);
    --accent: #3b82f6;
    --accent-dark: #2563eb;
    --success-bg: #103d32;
    --danger-bg: #4a1720;
    --warn-bg: #3f2f12;
    --topbar-bg: #1f2937;
    --topbar-border: #2d3a4a;
    color-scheme: dark;
}

body[data-theme="blue"] {
    --bg: #eef4fb;
    --panel: #ffffff;
    --panel-alt: #e6eef7;
    --text: #172235;
    --muted: #596a80;
    --line: #ccd9e8;
    --nav: #0d1e3a;
    --nav-hover: rgba(255,255,255,0.07);
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --success-bg: #e8f5ee;
    --danger-bg: #fdecef;
    --warn-bg: #fff6df;
    --topbar-bg: #ffffff;
    --topbar-border: #ccd9e8;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
}

a {
    color: inherit;
    text-decoration: none;
}

.shell {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    min-height: 100vh;
}

.sidebar {
    background: var(--nav);
    color: #f5f7fb;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.brand {
    display: grid;
    gap: 6px;
}

.brand-logo {
    display: block;
    max-width: 172px;
    max-height: 56px;
    object-fit: contain;
    margin-bottom: 6px;
}

.brand-title {
    font-size: 20px;
    font-weight: 700;
}

.brand-subtitle {
    color: rgba(245, 247, 251, 0.7);
    font-size: 13px;
}

.nav {
    display: grid;
    gap: 6px;
}

.nav > a,
.nav-subnav a {
    padding: 10px 12px;
    border-radius: 6px;
    color: rgba(245, 247, 251, 0.84);
}

.nav > a.active,
.nav-subnav a.active {
    background: var(--accent);
    color: #fff;
}

.nav > a:hover,
.nav-subnav a:hover {
    background: var(--nav-hover);
    color: #fff;
}

.nav-group {
    display: grid;
    gap: 8px;
    padding-top: 6px;
}

.nav-group-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    color: rgba(245, 247, 251, 0.84);
    font-size: 16px;
    font-weight: 400;
    cursor: pointer;
    list-style: none;
    border-radius: 6px;
}

.nav-group-toggle::-webkit-details-marker {
    display: none;
}

.nav-group-toggle::after {
    content: "+";
    font-size: 14px;
    color: rgba(245, 247, 251, 0.72);
}

.nav-group-toggle:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
}

.nav-group[open] .nav-group-toggle::after {
    content: "-";
}

.nav-subnav {
    display: grid;
    gap: 4px;
    margin-left: 12px;
    padding-left: 10px;
    border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.nav-subnav a {
    font-size: 13px;
    padding: 9px 12px;
}

.sidebar-footer {
    margin-top: auto;
}

.sidebar-version {
    font-size: 11px;
    color: var(--muted);
    margin-top: 6px;
    opacity: 0.6;
}

.logout-form {
    margin: 0;
}

.logout-button {
    border: 0;
    background: transparent;
    padding: 0;
    cursor: pointer;
    font: inherit;
}

.main {
    display: grid;
    grid-template-rows: 56px 1fr;
    height: 100vh;
    overflow: hidden;
    gap: 0;
    padding: 0;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 0 28px;
    height: 56px;
    background: var(--topbar-bg);
    border-bottom: 1px solid var(--topbar-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar h1 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.topbar p.muted {
    display: none;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.main-content {
    padding: 20px 28px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    overflow-y: auto;
    box-sizing: border-box;
    min-height: 0;
}

.main-content > *:last-child {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

/* user menu */
.user-menu {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    list-style: none;
    padding: 6px 10px;
    border-radius: 6px;
    user-select: none;
    font-size: 14px;
}

.user-menu-trigger::-webkit-details-marker { display: none; }

.user-menu-trigger:hover {
    background: var(--panel-alt);
}

.user-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.user-menu-name {
    font-weight: 500;
    color: var(--text);
}

.user-menu-caret {
    color: var(--muted);
    font-size: 11px;
}

.user-menu-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    min-width: 150px;
    padding: 4px;
    z-index: 200;
}

.user-menu-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 12px;
    border-radius: 5px;
    font-size: 14px;
    color: var(--text);
    background: transparent;
    border: 0;
    cursor: pointer;
    font: inherit;
    text-decoration: none;
}

.user-menu-item:hover {
    background: var(--panel-alt);
}

.user-menu-logout {
    color: var(--danger);
}

.user-menu-divider {
    height: 1px;
    background: var(--line);
    margin: 4px 0;
}

h1, h2, p {
    margin: 0;
}

h1 {
    font-size: 22px;
}

h2 {
    font-size: 18px;
}

.muted {
    color: var(--muted);
}

.banner {
    padding: 10px 14px;
    background: var(--warn-bg);
    color: #805400;
    border: 1px solid #f0cf92;
    border-radius: 8px;
    font-size: 13px;
}

.banner-stack {
    display: grid;
    gap: 8px;
    justify-items: end;
}

.banner-danger {
    background: var(--danger-bg);
    border-color: #efb5bc;
    color: #7d2630;
}

.panel,
.stat-box {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
}

.panel {
    padding: 14px 18px;
    display: grid;
    gap: 12px;
    align-content: start;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

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

.panel-grid > .panel {
    overflow-y: auto;
    min-height: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.stat-box {
    padding: 18px;
}

.stat-label {
    color: var(--muted);
    font-size: 13px;
}

.stat-value {
    margin-top: 10px;
    font-size: 32px;
    font-weight: 700;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    display: inline-flex;
    align-items: center;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel-alt);
    font-size: 13px;
}

.flash-list {
    display: grid;
    gap: 10px;
}

.flash {
    padding: 12px 14px;
    border-radius: 8px;
    border: 1px solid transparent;
}

.flash-success {
    background: var(--success-bg);
    border-color: #b7e4d6;
    color: #155a47;
}

.flash-error {
    background: var(--danger-bg);
    border-color: #efb5bc;
    color: #7d2630;
}

.form-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
}

.compact-form {
    gap: 10px;
    font-size: 13px;
}

.compact-form label {
    gap: 5px;
}

.compact-form input,
.compact-form select,
.compact-form textarea {
    padding: 7px 10px;
    font-size: 13px;
}

.compact-form button,
.compact-form .button-link {
    padding: 7px 12px;
    font-size: 13px;
}

.two-columns {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.full-width {
    grid-column: 1 / -1;
}

label,
fieldset {
    display: grid;
    gap: 8px;
    border: 0;
    padding: 0;
    margin: 0;
}

legend {
    font-weight: 600;
    margin-bottom: 10px;
}

input,
select,
textarea,
button {
    font: inherit;
}

input,
select,
textarea {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
}

body[data-theme="dark"] input,
body[data-theme="dark"] select,
body[data-theme="dark"] textarea {
    background: #111827;
    color: var(--text);
}

textarea {
    resize: vertical;
}

.order-input {
    min-width: 84px;
}

.field-help {
    color: var(--muted);
    font-size: 12px;
}

.submit-progress {
    padding: 11px 12px;
    border: 1px solid #b7e4d6;
    border-radius: 6px;
    background: var(--success-bg);
    color: #155a47;
    font-size: 13px;
}

.queue-state {
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid #f0cf92;
    border-radius: 6px;
    background: var(--warn-bg);
    color: #805400;
}

.queue-running {
    border-color: #b8c7f0;
    background: #edf3ff;
    color: #1d4f91;
}

.queue-success {
    border-color: #b7e4d6;
    background: var(--success-bg);
    color: #155a47;
}

.queue-failed {
    border-color: #efb5bc;
    background: var(--danger-bg);
    color: #7d2630;
}

.field-error {
    color: var(--danger);
    font-size: 12px;
}

.required-mark {
    color: var(--danger);
    font-weight: 700;
    margin-left: 4px;
}

.required-invalid {
    border-color: var(--danger) !important;
    background: #fff7f8;
    box-shadow: 0 0 0 3px rgba(189, 60, 75, 0.08);
}

.form-field-invalid > span:first-child {
    color: var(--danger);
}

.required-error-message {
    color: var(--danger);
    font-size: 12px;
    line-height: 1.4;
}

.input-error {
    border-color: var(--danger) !important;
    background: #fff7f8;
}

.is-hidden {
    display: none;
}

button,
.button-link,
.small-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border: 0;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
}

button:hover,
.button-link:hover,
.small-button:hover {
    background: var(--accent-dark);
}

button:disabled,
.small-button:disabled {
    cursor: not-allowed;
    opacity: 0.58;
    background: #d8e1ec;
    color: #607083;
}

button:disabled:hover,
.small-button:disabled:hover {
    background: #d8e1ec;
    color: #607083;
}

.button-danger {
    background: var(--danger);
}

.button-danger:hover {
    background: #9d2f3c;
}

.button-secondary {
    background: #dfe6ef;
    color: var(--text);
}

.button-secondary:hover {
    background: #cfd9e6;
    color: var(--text);
}

body[data-theme="dark"] .button-secondary {
    background: #334155;
    color: var(--text);
}

body[data-theme="dark"] .button-secondary:hover {
    background: #3f4f66;
}

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

.ghost-link:hover {
    color: var(--accent-dark);
}

.actions {
    display: flex;
    gap: 12px;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 18px;
    padding-top: 28px;
}

.checkbox-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.checkbox-item input {
    width: auto;
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    padding: 14px;
    background: var(--panel-alt);
    border: 1px solid var(--line);
    border-radius: 6px;
}

.table-wrap {
    overflow-x: auto;
}

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

th,
td {
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
    font-size: 14px;
}

.compact-table th,
.compact-table td {
    padding: 6px 10px;
}

thead th {
    color: var(--muted);
    font-weight: 600;
    background: #fafbfd;
}

body[data-theme="dark"] thead th {
    background: #172033;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-success {
    background: #e5f7ef;
    color: #166447;
}

body[data-theme="dark"] .status-success {
    background: #113d32;
    color: #8ee6c4;
}

.status-failed {
    background: #fde9ed;
    color: #8b2433;
}

body[data-theme="dark"] .status-failed {
    background: #4a1720;
    color: #ffb8c2;
}

.status-warning {
    background: #fff3e0;
    color: #855200;
}

body[data-theme="dark"] .status-warning {
    background: #443214;
    color: #ffd58a;
}

.status-default {
    background: #edf1f6;
    color: #425062;
}

body[data-theme="dark"] .status-default {
    background: #273548;
    color: #cbd5e1;
}

.login-body {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-mode-banners {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 10;
    max-width: min(360px, calc(100vw - 36px));
}

.login-wrap {
    width: min(420px, 100%);
}

.login-panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 28px;
    display: grid;
    gap: 18px;
}

.login-logo {
    display: block;
    max-width: 220px;
    max-height: 72px;
    object-fit: contain;
    justify-self: center;
}

.login-lock-countdown {
    display: grid;
    gap: 4px;
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.45;
}

.login-lock-countdown strong {
    font-size: 13px;
}

.login-lock-countdown-list {
    display: grid;
    gap: 8px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 24px;
}

.detail-grid > div {
    display: grid;
    gap: 4px;
}

.detail-label {
    color: var(--muted);
    font-size: 12px;
}

.field-hint {
    font-size: 12px;
    color: var(--muted);
    margin: 4px 0 8px;
}

.device-check-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    margin-top: 6px;
}

.device-check-item {
    min-width: 200px;
}

/* Toast notifications */
.toast-container {
    position: fixed;
    top: 64px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
    opacity: 0;
    transform: translateX(20px);
    transition: opacity 0.3s, transform 0.3s;
    max-width: 320px;
    word-break: break-word;
}

.toast.toast-visible {
    opacity: 1;
    transform: translateX(0);
}

.toast-success { background: #22c55e; color: #fff; }
.toast-error   { background: #ef4444; color: #fff; }
.toast-warning { background: #f59e0b; color: #fff; }
.toast-info    { background: #3b82f6; color: #fff; }

.action-push-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.summary-box {
    display: grid;
    gap: 8px;
    padding: 12px 14px;
    background: var(--panel-alt);
    border: 1px solid var(--line);
    border-radius: 6px;
}

.asn-variable-dock {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 20;
    width: min(560px, calc(100vw - 48px));
    max-height: 360px;
    display: grid;
    gap: 10px;
    padding: 14px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.18);
}

.asn-variable-dock-header,
.asn-variable-dock-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.asn-variable-dock-table {
    max-height: 230px;
    overflow: auto;
}

.asn-variable-dock th,
.asn-variable-dock td {
    font-size: 12px;
    padding: 8px;
}

.device-block {
    display: grid;
    gap: 12px;
    padding: 14px 0;
    border-top: 1px solid var(--line);
}

.device-head {
    display: flex;
    align-items: center;
    gap: 10px;
}

.split-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

pre {
    margin: 0;
    padding: 14px;
    border-radius: 6px;
    background: #101723;
    color: #d7e2f0;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.action-col {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.action-password {
    /* inline flex item when closed */
}

.action-password > summary {
    list-style: none;
    cursor: pointer;
    user-select: none;
}

.action-password > summary::-webkit-details-marker {
    display: none;
}

/* when open: push to its own row below the other buttons */
.action-password[open] {
    order: 999;
    flex-basis: 100%;
}

.action-password-form {
    display: flex;
    gap: 8px;
    margin-top: 6px;
    padding: 8px 10px;
    background: var(--panel-alt);
    border: 1px solid var(--line);
    border-radius: 6px;
}

.inline-form {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.inline-form input {
    width: 160px;
}

.small-button {
    padding: 8px 12px;
}

.pagination-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
}

.pagination-bar-single {
    justify-content: flex-end;
}

.pagination-summary {
    color: var(--muted);
    font-size: 13px;
    white-space: nowrap;
}

.pagination-controls,
.pagination-links,
.pagination-size-form,
.pagination-jump-form {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pagination-size-form label,
.pagination-jump-form label {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pagination-size-form span,
.pagination-jump-form span {
    color: var(--muted);
    font-size: 13px;
}

/* searchable select */
.searchable-select {
    position: relative;
}

.searchable-select-input {
    width: 100%;
    padding: 11px 12px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    font: inherit;
    cursor: text;
}

body[data-theme="dark"] .searchable-select-input {
    background: #111827;
    color: var(--text);
}

.searchable-select-input:focus {
    outline: 2px solid var(--accent);
    outline-offset: -1px;
}

.searchable-select-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    max-height: 240px;
    overflow-y: auto;
}

.searchable-select-list {
    list-style: none;
    margin: 0;
    padding: 4px 0;
}

.searchable-select-item {
    padding: 9px 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text);
}

.searchable-select-item:hover,
.searchable-select-item.active {
    background: var(--panel-alt);
}

.searchable-select-item.is-selected {
    color: var(--accent);
    font-weight: 500;
}

.searchable-select-empty {
    padding: 9px 12px;
    color: var(--muted);
    font-size: 14px;
}

.pagination-size-form select,
.pagination-size-input {
    width: 64px;
    padding: 8px 10px;
}

.pagination-jump-form input {
    width: 86px;
    padding: 8px 10px;
}

.page-link,
.page-gap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel);
    color: var(--text);
    font-size: 13px;
}

.page-link:hover,
.page-link.active {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}

.page-link.disabled {
    pointer-events: none;
    opacity: 0.45;
    background: var(--panel-alt);
}

.page-gap {
    min-width: auto;
    border-color: transparent;
    background: transparent;
    color: var(--muted);
}

.settings-form,
.settings-import-export {
    display: grid;
    gap: 18px;
}

.settings-import-export {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.settings-panel .panel-header p,
.settings-import-export .panel-header p {
    margin-top: 4px;
    font-size: 13px;
}

.settings-toggle-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.settings-toggle {
    align-items: flex-start;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--panel-alt);
}

.settings-toggle > span {
    display: grid;
    gap: 4px;
}

.settings-toggle small {
    color: var(--muted);
    line-height: 1.4;
}

.settings-policy-table input,
.settings-policy-table select {
    min-width: 132px;
}

.settings-policy-table td:first-child {
    min-width: 92px;
}

.settings-actions-panel {
    padding-top: 14px;
    padding-bottom: 14px;
}

@media (max-width: 1024px) {
    .shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        gap: 16px;
    }

    .sidebar-footer {
        margin-top: 0;
    }

    .stats-grid,
    .panel-grid,
    .settings-import-export,
    .two-columns,
    .split-grid,
    .settings-toggle-grid,
    .detail-grid,
    .choice-grid {
        grid-template-columns: 1fr;
    }

    .main {
        padding: 18px;
    }

    .topbar {
        flex-direction: column;
    }

    .asn-variable-dock {
        position: static;
        width: 100%;
        max-height: none;
    }

    .pagination-bar {
        align-items: stretch;
        flex-direction: column;
    }

    .pagination-controls {
        align-items: stretch;
        flex-direction: column;
    }

    .pagination-links {
        gap: 6px;
    }
}