:root {
  color-scheme: light;
  --canvas: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --surface-raised: #ffffff;
  --surface-selected: #eaf2ff;
  --ink: #17243a;
  --ink-soft: #40516c;
  --muted: #64748b;
  --border: #dbe4f0;
  --border-strong: #9db1ca;
  --border-control: #a7b8ce;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-soft: #eaf2ff;
  --ai: #0f6fbd;
  --ai-dark: #075a9c;
  --ai-soft: #e7f3ff;
  --agent: #0f766e;
  --agent-dark: #115e59;
  --agent-soft: #e8f6f3;
  --warning: #744000;
  --warning-soft: #fff3d8;
  --danger: #9a302a;
  --danger-soft: #fcebe9;
  --success: #0f653f;
  --success-soft: #e7f5ed;
  --neutral-soft: #edf2f7;
  --font-ui: "Segoe UI Variable", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  --font-mono: "Cascadia Mono", "Microsoft YaHei UI", monospace;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 8px;
  --control: 38px;
  --focus: 0 0 0 3px rgb(37 99 235 / 20%);
  --shadow-pop: 0 12px 32px rgb(30 64 175 / 10%);
  --shadow-dialog: 0 24px 70px rgb(30 58 138 / 16%);
}

* { box-sizing: border-box; }
html { min-width: 320px; overflow-x: hidden; background: var(--canvas); }
body { margin: 0; min-height: 100vh; overflow-x: hidden; color: var(--ink); background: linear-gradient(145deg, #f3f7fc, #f8fafc 58%, #eef5ff); font: 14px/1.55 var(--font-ui); letter-spacing: 0; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: var(--ai); text-decoration: none; }
svg { display: block; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.25; letter-spacing: 0; }
.hidden { display: none !important; }
.skip-link { position: fixed; z-index: 120; top: 8px; left: 8px; transform: translateY(-150%); padding: 8px 12px; border-radius: var(--radius); color: #fff; background: var(--ink); }
.skip-link:focus { transform: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.muted, small { color: var(--muted); }
.numeric, .credit-number { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

:focus-visible { outline: 2px solid var(--ai); outline-offset: 2px; }
input:focus, select:focus, textarea:focus { border-color: var(--ai); box-shadow: var(--focus); outline: none; }

.brand-lockup { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; flex: 0 0 auto; border-radius: var(--radius); color: #fff; background: var(--brand); box-shadow: 0 6px 18px rgb(37 99 235 / 22%); font-size: 17px; font-weight: 750; }
.brand-mark-image { object-fit: cover; }
.brand-name { display: grid; min-width: 0; }
.brand-name strong { font-size: 14px; font-weight: 700; white-space: nowrap; }
.brand-name small { font-size: 11px; letter-spacing: 0; }

.login-view { min-height: 100dvh; display: grid; place-items: center; padding: 24px; background: linear-gradient(135deg, #eaf2ff 0 48%, #f8fafc 48% 100%); position: relative; overflow: hidden; }
.login-view::before { content: ""; position: absolute; inset: 0; opacity: .36; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 32px 32px; mask-image: linear-gradient(to right, #000, transparent 68%); pointer-events: none; }
.login-panel { position: relative; z-index: 1; width: min(420px, 100%); display: grid; gap: 18px; padding: 30px; border: 1px solid var(--border); border-top: 4px solid var(--brand); border-radius: var(--radius-lg); background: rgb(255 255 255 / 94%); box-shadow: var(--shadow-dialog); }
.pwa-login-icon { width: 44px; height: 44px; border-radius: 10px; box-shadow: 0 6px 18px rgb(37 99 235 / 20%); }
.pwa-install-btn { border-color: #bfd3f5; color: #1d4ed8; background: #f2f7ff; }
.pwa-install-btn:hover { border-color: #7da6ea; background: #eaf2ff; }
.android-apk-btn { justify-content: center; border-color: #b7d0f4; color: #174ea6; background: #f1f6ff; text-align: center; }
.android-apk-btn:hover { border-color: #79a5e8; background: #e7f0ff; }
.login-brand-mobile, .login-copy-mobile { display: none; }
.login-brand-desktop { padding-bottom: 4px; }
.login-copy { padding: 14px 0 2px; border-bottom: 1px solid var(--border); }
.login-copy h1 { margin-bottom: 8px; font-size: 25px; }
.login-copy p:last-child { margin-bottom: 18px; color: var(--ink-soft); }
.eyebrow { margin-bottom: 5px; color: var(--brand); font-size: 11px; font-weight: 750; letter-spacing: 0; }

.app-shell { min-height: 100dvh; display: grid; grid-template-columns: 224px minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100dvh; display: flex; flex-direction: column; padding: 18px 12px 14px; overflow: hidden; border-right: 1px solid var(--border); background: #f8fafc; }
.sidebar-brand { padding: 0 8px 18px; border-bottom: 1px solid var(--border); }
.main-nav { flex: 1; display: flex; flex-direction: column; gap: 3px; overflow-y: auto; padding: 15px 0; scrollbar-width: thin; }
.nav-group { padding: 14px 10px 5px; color: var(--muted); font-size: 11px; font-weight: 700; }
.nav-group:first-child { padding-top: 0; }
.main-nav a { position: relative; display: flex; align-items: center; min-height: 40px; gap: 11px; padding: 0 10px; border-radius: var(--radius); color: var(--ink-soft); }
.main-nav a svg { width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.main-nav a strong { font-size: 13px; font-weight: 600; }
.main-nav a:hover { color: var(--ink); background: var(--surface-soft); }
.main-nav a[aria-current="page"] { color: var(--brand-dark); background: var(--brand-soft); }
.main-nav a[aria-current="page"]::before { content: ""; position: absolute; left: -12px; width: 3px; height: 24px; border-radius: 0 2px 2px 0; background: var(--brand); }
.nav-cluster { margin-top: 8px; border-top: 1px solid var(--border); }
.nav-cluster summary { min-height: 40px; display: flex; align-items: center; gap: 11px; padding: 7px 10px 5px; color: var(--muted); cursor: pointer; list-style: none; }
.nav-cluster summary::-webkit-details-marker { display: none; }
.nav-cluster summary:hover { color: var(--ink); }
.nav-cluster summary svg { width: 18px; height: 18px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.nav-cluster summary strong { flex: 1; font-size: 12px; font-weight: 700; }
.nav-cluster summary > span { transition: transform .16s ease; }
.nav-cluster[open] summary > span { transform: rotate(180deg); }
.nav-cluster-links { display: grid; gap: 2px; padding: 2px 0 5px 12px; }
.nav-cluster-links a { min-height: 36px; }
.nav-cluster-links a[aria-current="page"]::before { left: -24px; }
.mobile-more-btn { display: none; }
.sidebar-user { display: flex; align-items: center; gap: 10px; padding: 12px 8px 0; border-top: 1px solid var(--border); }
.user-avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; color: var(--brand-dark); background: var(--brand-soft); font-weight: 750; }
.user-meta { display: grid; min-width: 0; }
.user-meta strong, .user-meta small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-meta strong { font-size: 13px; }
.user-meta small { font-size: 11px; }

.workspace { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 20; min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 10px 28px; border-bottom: 1px solid var(--border); background: rgb(255 255 255 / 94%); backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgb(37 99 235 / 3%); }
.topbar-copy { min-width: 0; }
.topbar-copy h1 { margin: 1px 0 0; font-size: 20px; }
.topbar-copy > p:last-child { display: none; }
.connection-label { display: flex; align-items: center; gap: 7px; margin: 0; color: var(--muted); font-size: 11px; }
.topbar-actions, .button-row, .row-actions, .mode-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; }
#mainContent { width: min(1480px, 100%); margin: 0 auto; padding: 26px 28px 48px; outline: none; }
.view-panel { display: none; }
.view-panel.active-section { display: block; animation: enter .18s ease-out; }
@keyframes enter { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.ai-browser-focus { height: 100dvh; grid-template-columns: minmax(0, 1fr); overflow: hidden; }
.ai-browser-focus .sidebar { display: none; }
.ai-browser-focus .workspace { height: 100dvh; overflow: hidden; }
.ai-browser-focus .topbar { display: none; }
.ai-browser-focus #mainContent { width: 100%; height: 100dvh; padding: 0; }
.ai-browser-panel { height: 100%; overflow: hidden; background: #10141b; }
.ai-browser-panel.active-section { display: flex; flex-direction: column; }
.ai-browser-toolbar { height: 52px; flex: 0 0 52px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 6px 12px 6px 16px; border-bottom: 1px solid var(--border); background: var(--surface); }
.ai-browser-toolbar h2 { margin: 0; font-size: 16px; }
.ai-browser-toolbar .eyebrow { margin: 0; }
.ai-browser-actions { display: flex; align-items: center; gap: 8px; }
.ai-browser-actions .icon-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ai-browser-command { min-height: 36px; white-space: nowrap; }
.ai-browser-command svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ai-browser-frame-shell { width: 100%; min-height: 0; flex: 1 1 auto; overflow: hidden; background: #10141b; }
.ai-browser-frame-shell iframe { display: block; width: 100%; height: 100%; border: 0; background: #10141b; }
.ai-browser-frame-shell:fullscreen { width: 100%; height: 100%; }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.section-head h2 { margin: 0; font-size: 22px; }
.agents-panel { max-width: 1160px; }
.agents-head { align-items: center; }
.agent-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 24px; border-block: 1px solid var(--border); background: var(--surface); }
.agent-summary-item { min-width: 0; padding: 15px 18px; border-right: 1px solid var(--border); }
.agent-summary-item:last-child { border-right: 0; }
.agent-summary-item small, .agent-summary-item strong { display: block; }
.agent-summary-item strong { margin-top: 3px; color: var(--ink); font-size: 19px; font-variant-numeric: tabular-nums; }
.agent-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.agent-card { min-width: 0; min-height: 252px; display: grid; grid-template-rows: auto 1fr auto; gap: 18px; padding: 20px; border: 1px solid var(--border); border-top: 3px solid var(--agent); border-radius: var(--radius-lg); background: var(--surface); box-shadow: 0 8px 24px rgb(15 118 110 / 7%); }
.agent-card[data-agent-kind="specialist"] { border-top-color: #c77812; box-shadow: 0 8px 24px rgb(199 120 18 / 7%); }
.agent-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.agent-identity { min-width: 0; display: flex; align-items: center; gap: 12px; }
.agent-icon { width: 44px; height: 44px; flex: 0 0 auto; display: grid; place-items: center; overflow: hidden; border: 1px solid #b9ded8; border-radius: var(--radius); color: var(--agent-dark); background: var(--agent-soft); font-size: 19px; font-weight: 800; }
.agent-card[data-agent-kind="specialist"] .agent-icon { border-color: #ead1a8; color: #8a4f08; background: #fff5e6; }
.agent-icon img { width: 100%; height: 100%; object-fit: cover; }
.agent-identity h3 { margin: 0 0 3px; font-size: 17px; }
.agent-identity p { margin: 0; color: var(--muted); font-size: 12px; }
.agent-command-list { display: flex; align-content: flex-start; flex-wrap: wrap; gap: 7px; }
.agent-command { padding: 5px 8px; border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--ink-soft); background: var(--surface-soft); font-size: 12px; }
.agent-card-foot { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; border-top: 1px solid var(--border); }
.agent-work-count { min-width: 0; color: var(--muted); font-size: 12px; }
.agent-work-count strong { color: var(--ink); font-size: 14px; }
.agent-card-foot .btn { min-width: 116px; justify-content: center; }
.agent-card .btn.agent-action { border-color: var(--agent); color: #fff; background: var(--agent); }
.douyin-ai-status { min-height: 60px; display: flex; align-items: center; gap: 12px; margin: -4px 0 22px; padding: 10px 2px; border-block: 1px solid var(--border); background: var(--surface); }
.douyin-ai-mark { min-width: 54px; display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 750; }
.douyin-ai-status .status-dot { width: 9px; height: 9px; background: var(--muted); }
.douyin-ai-copy { min-width: 0; display: grid; gap: 1px; }
.douyin-ai-copy strong { font-size: 13px; }
.douyin-ai-copy small { overflow-wrap: anywhere; }
.douyin-ai-status[data-tone="success"] .douyin-ai-mark, .douyin-ai-status[data-tone="success"] .douyin-ai-copy strong { color: var(--success); }
.douyin-ai-status[data-tone="success"] .status-dot { background: var(--success); }
.douyin-ai-status[data-tone="warning"] .douyin-ai-mark, .douyin-ai-status[data-tone="warning"] .douyin-ai-copy strong { color: var(--warning); }
.douyin-ai-status[data-tone="warning"] .status-dot { background: var(--warning); }
.douyin-ai-status[data-tone="error"] .douyin-ai-mark, .douyin-ai-status[data-tone="error"] .douyin-ai-copy strong { color: var(--danger); }
.douyin-ai-status[data-tone="error"] .status-dot { background: var(--danger); }
.douyin-ai-status[aria-busy="true"] .status-dot { animation: status-pulse 1.1s ease-in-out infinite; }
@keyframes status-pulse { 50% { opacity: .35; } }
.agent-card .btn.agent-action:hover { border-color: var(--agent-dark); background: var(--agent-dark); }
.agent-card[data-agent-kind="specialist"] .btn.agent-action { border-color: #a75f0a; background: #a75f0a; }
.agent-card[data-agent-kind="specialist"] .btn.agent-action:hover { border-color: #834b08; background: #834b08; }
.subsection { min-width: 0; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.subsection-head { min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--border); }
.subsection-head h3 { margin: 0; font-size: 15px; }
.split-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr); gap: 16px; margin-top: 16px; }

.btn, .icon-btn { min-height: var(--control); display: inline-flex; align-items: center; justify-content: center; gap: 7px; padding: 0 14px; border: 1px solid transparent; border-radius: var(--radius); background: transparent; font-size: 13px; font-weight: 650; transition: background .12s, border-color .12s, color .12s, transform .12s; }
.btn:hover:not(:disabled), .icon-btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:active:not(:disabled), .icon-btn:active:not(:disabled) { transform: translateY(0); }
.btn.primary { color: #fff; background: var(--brand); border-color: var(--brand); }
.btn.primary:hover { background: var(--brand-dark); }
.btn.ai { color: #fff; background: var(--ai); border-color: var(--ai); }
.btn.ai:hover { background: var(--ai-dark); }
.btn.secondary { color: var(--ink-soft); background: var(--surface); border-color: var(--border); }
.btn.secondary:hover { color: var(--ink); border-color: var(--border-strong); background: var(--surface-soft); }
.btn.quiet { color: var(--muted); }
.btn.quiet:hover { color: var(--ink); background: var(--neutral-soft); }
.btn.danger { color: var(--danger); background: var(--danger-soft); border-color: #efc9c5; }
.btn.compact { min-height: 32px; padding-inline: 10px; font-size: 12px; }
.btn:disabled, .icon-btn:disabled { cursor: not-allowed; opacity: .48; transform: none; }
.btn[aria-busy="true"] { cursor: wait; }
.icon-btn { width: 34px; min-height: 34px; padding: 0; border-color: var(--border); background: var(--surface); }

.field { display: grid; gap: 6px; min-width: 0; }
.field > span, .compact-field > span { color: var(--ink-soft); font-size: 12px; font-weight: 650; }
input, select, textarea { width: 100%; min-height: var(--control); border: 1px solid var(--border-control); border-radius: var(--radius); background: var(--surface); padding: 8px 11px; }
input::placeholder, textarea::placeholder { color: #8796aa; }
textarea { resize: vertical; }
input[type="file"] { padding: 6px; }
input[type="file"]::file-selector-button { height: 26px; margin-right: 10px; border: 0; border-radius: var(--radius-sm); color: var(--brand-dark); background: var(--brand-soft); font-weight: 650; cursor: pointer; }
.check-field { display: flex; align-items: center; gap: 9px; min-height: var(--control); color: var(--ink-soft); }
.check-field input { width: 17px; min-height: 17px; accent-color: var(--brand); }
.filter-field { display: block; width: min(380px, 100%); }
.filter-field input { padding-left: 34px; background: var(--surface) no-repeat 11px center / 15px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236b776f' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4-4'/%3E%3C/svg%3E"); }
.table-toolbar { min-height: 54px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 0; }
.settings-form { max-width: 680px; display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: 12px; padding: 18px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.upload-strip { display: grid; grid-template-columns: 1fr 1.4fr auto auto; align-items: end; gap: 12px; padding: 16px; border: 1px solid var(--border); border-left: 4px solid var(--brand); border-radius: var(--radius-lg); background: var(--surface); }
.form-state, .workspace-state { min-height: 22px; margin: 8px 0; color: var(--muted); font-size: 12px; }
.form-state[data-tone="error"] { color: var(--danger); }
.form-state[data-tone="success"] { color: var(--success); }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); }
.metric { min-height: 112px; display: grid; align-content: space-between; gap: 8px; padding: 18px; border-right: 1px solid var(--border); }
.metric:last-child { border-right: 0; }
.metric span, .metric small { color: var(--muted); font-size: 12px; }
.metric strong { font: 700 27px/1.1 var(--font-mono); font-variant-numeric: tabular-nums; }
.system-mode-panel { margin-top: 16px; }
.system-mode-card { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 17px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.system-mode-copy { display: grid; gap: 4px; }
.mode-kicker { color: var(--muted); font-size: 11px; }
.mode-facts { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--ink-soft); font-size: 12px; }

.state-chip, .badge { min-height: 25px; display: inline-flex; align-items: center; gap: 6px; width: fit-content; padding: 3px 8px; border-radius: var(--radius-sm); color: var(--ink-soft); background: var(--neutral-soft); font-size: 12px; font-weight: 650; white-space: nowrap; }
.badge.ok, .badge.success, .state-chip[data-tone="success"], .inline-banner[data-tone="success"] { color: var(--success); background: var(--success-soft); }
.badge.info, .state-chip[data-tone="info"], .inline-banner[data-tone="info"] { color: var(--ai-dark); background: var(--ai-soft); }
.badge.warning, .state-chip[data-tone="warning"], .inline-banner[data-tone="warning"] { color: var(--warning); background: var(--warning-soft); }
.badge.error, .badge.danger, .state-chip[data-tone="error"], .inline-banner[data-tone="error"] { color: var(--danger); background: var(--danger-soft); }
.system-mode-card[data-tone] { color: var(--ink); background: var(--surface); }
.system-mode-card[data-tone="success"] { border-left: 4px solid var(--success); }
.system-mode-card[data-tone="info"] { border-left: 4px solid var(--brand); }
.system-mode-card[data-tone="warning"] { border-left: 4px solid #c18016; }
.system-mode-card[data-tone="error"] { border-left: 4px solid var(--danger); }
.system-mode-card[data-tone="success"] h3 { color: var(--success); }
.system-mode-card[data-tone="info"] h3 { color: var(--brand-dark); }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.status-dot.ok { background: var(--success); box-shadow: 0 0 0 3px var(--success-soft); }
.status-dot.error { background: var(--danger); box-shadow: 0 0 0 3px var(--danger-soft); }
.status-dot.neutral { background: #c18016; box-shadow: 0 0 0 3px var(--warning-soft); }
.status-stack { display: grid; gap: 5px; }
.status-line { display: flex; align-items: center; gap: 7px; }

.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
table { width: 100%; border-collapse: collapse; white-space: nowrap; }
th, td { min-height: 46px; padding: 11px 13px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { position: sticky; top: 0; z-index: 2; color: var(--muted); background: var(--surface-soft); font-size: 11px; font-weight: 700; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #f7faff; }
td strong { display: block; color: var(--ink); font-size: 13px; }
td small { display: block; max-width: 300px; overflow: hidden; text-overflow: ellipsis; font-size: 11px; }
.empty-row td, .empty-cell { padding: 36px 16px; color: var(--muted); text-align: center; }
.job-progress { width: 150px; height: 5px; margin-top: 7px; overflow: hidden; border-radius: 3px; background: var(--neutral-soft); }
.job-progress span { display: block; height: 100%; background: var(--brand); }
.report-box { max-height: 440px; overflow: auto; margin: 14px 0 0; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius); color: #e6edf8; background: #17243a; font: 12px/1.7 var(--font-mono); white-space: pre-wrap; }

.compact-list, .ledger-list { display: grid; }
.compact-list:empty, .ledger-list:empty { min-height: 80px; }
.list-row, .ledger-row { min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 10px 16px; border-bottom: 1px solid var(--border); }
.list-row:last-child, .ledger-row:last-child { border-bottom: 0; }
.list-row span, .ledger-row span { min-width: 0; }
.list-row strong, .ledger-row strong { display: block; font-size: 13px; }
.list-row small, .ledger-row small { font-size: 11px; }
.ledger-section { margin-top: 16px; }
.channel-grid, .status-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.channel-card, .status-card { min-width: 0; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.channel-card { border-top: 3px solid var(--ai); }
.status-card.is-ok { border-left: 3px solid var(--success); }
.status-card.is-bad { border-left: 3px solid var(--danger); }
.channel-head, .status-card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.channel-card p, .status-card p { margin-bottom: 8px; color: var(--ink-soft); overflow-wrap: anywhere; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 14px; }

.inline-banner { width: fit-content; min-height: 26px; padding: 4px 9px; border-radius: var(--radius-sm); color: var(--muted); background: var(--neutral-soft); font-size: 12px; }
.empty-state { display: grid; place-items: center; align-content: center; min-height: 160px; padding: 24px; color: var(--muted); text-align: center; }
.empty-state strong { color: var(--ink-soft); }
.empty-state p { max-width: 420px; margin: 5px 0 0; font-size: 12px; }
.access-empty { min-height: 50vh; }

/* AI workspace */
.chat-focus {
  --canvas: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f5f8fd;
  --surface-selected: #eaf2ff;
  --ink: #17243a;
  --ink-soft: #40516c;
  --muted: #64748b;
  --border: #dbe4f0;
  --border-strong: #9db1ca;
  --border-control: #a7b8ce;
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-soft: #eaf2ff;
  --ai: #0f6fbd;
  --ai-dark: #075a9c;
  --ai-soft: #e7f3ff;
  --neutral-soft: #edf2f7;
  --focus: 0 0 0 3px rgb(37 99 235 / 20%);
  grid-template-columns: 64px minmax(0, 1fr);
}
.chat-focus .sidebar { padding-inline: 8px; border-color: var(--border); background: #f8fafc; }
.chat-focus .sidebar-brand { padding-inline: 5px; }
.chat-focus .sidebar-brand .brand-name, .chat-focus .nav-group, .chat-focus .nav-cluster, .chat-focus .main-nav a strong, .chat-focus .sidebar-user .user-meta { display: none; }
.chat-focus .main-nav a { justify-content: center; padding: 0; }
.chat-focus .main-nav a[aria-current="page"] { color: var(--brand-dark); background: var(--brand-soft); }
.chat-focus .main-nav a[aria-current="page"]::before { left: -8px; background: var(--brand); }
.chat-focus .sidebar-user { justify-content: center; padding-inline: 0; }
.chat-focus .topbar { display: none; }
.chat-focus #mainContent { width: 100%; height: 100dvh; padding: 0; }
.chat-focus .chat-panel { height: 100%; }
.chat-focus .chat-panel > .section-head { height: 52px; align-items: center; margin: 0; padding: 0 14px; border-bottom: 1px solid var(--border); background: rgb(255 255 255 / 96%); }
.chat-focus .btn.primary { border-color: var(--brand); background: var(--brand); box-shadow: 0 5px 14px rgb(37 99 235 / 18%); }
.chat-focus .btn.primary:hover { background: var(--brand-dark); }
.chat-focus .btn.ai { border-color: var(--ai); background: var(--ai); box-shadow: 0 5px 14px rgb(15 111 189 / 18%); }
.chat-focus .btn.ai:hover { background: var(--ai-dark); }
.chat-focus .btn.secondary { border-color: var(--border); background: #fff; }
.chat-head-actions { margin-left: auto; }
.chat-back-btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.mobile-history-btn { display: none; width: 38px; height: 38px; place-items: center; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.mobile-history-btn svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }
.chat-layout { height: calc(100dvh - 52px); display: grid; grid-template-columns: 250px minmax(0, 1fr) 300px; overflow: hidden; background: linear-gradient(135deg, #ffffff, #f4f8fd 58%, #eef5ff); }
.conversation-pane, .workspace-pane { min-width: 0; display: flex; flex-direction: column; overflow: hidden; background: rgb(248 250 252 / 96%); }
.conversation-pane { border-right: 1px solid var(--border); }
.workspace-pane { border-left: 1px solid var(--border); }
.codex-work-head { min-height: 68px; display: flex; align-items: center; gap: 9px; padding: 10px 14px; }
.pwa-brand-icon { width: 38px; height: 38px; flex: 0 0 auto; border-radius: 10px; box-shadow: 0 5px 15px rgb(137 100 119 / 15%); }
.codex-work-select { display: grid; }
.codex-work-select strong { color: var(--brand-dark); font-size: 14px; }
.codex-work-select span { color: var(--muted); font-size: 11px; }
.codex-new-task { min-height: 38px; margin: 0 12px 14px; border: 1px solid #cbdcf4; border-radius: var(--radius); color: var(--brand-dark); background: #fff; box-shadow: 0 4px 12px rgb(37 99 235 / 7%); font-weight: 650; }
.codex-new-task:hover { border-color: var(--brand); background: var(--brand-soft); }
.codex-history-head { padding: 0 14px 7px; color: var(--muted); font-size: 11px; font-weight: 700; }
.conversation-pane .filter-field { width: auto; margin: 0 12px 9px; }
.conversation-pane .filter-field input { height: 34px; min-height: 34px; border-color: var(--border); background-color: #fff; }
.conversation-list { flex: 1; overflow: auto; padding: 0 7px 10px; }
.conversation-list .empty-state { min-height: 130px; }
.conversation-row { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 28px; align-items: center; border-radius: var(--radius); }
.conversation-item { width: 100%; min-height: 54px; display: grid; gap: 3px; padding: 9px 6px 9px 10px; border: 0; border-radius: var(--radius); background: transparent; text-align: left; }
.conversation-item:hover { background: #fff; }
.conversation-item[aria-current="true"] { background: var(--surface-selected); }
.conversation-title { display: flex; align-items: center; justify-content: space-between; min-width: 0; gap: 5px; }
.conversation-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; font-weight: 650; }
.conversation-item small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 10px; }
.conversation-delete { opacity: 0; display: grid; place-items: center; width: 26px; height: 26px; border: 0; border-radius: var(--radius-sm); color: var(--muted); background: transparent; font-size: 16px; }
.conversation-row:hover .conversation-delete, .conversation-row:focus-within .conversation-delete { opacity: 1; }
.conversation-delete:hover { color: var(--danger); background: var(--danger-soft); }
.codex-sidebar-foot { display: flex; justify-content: space-between; padding: 8px 11px; border-top: 1px solid var(--border); }
.codex-sidebar-foot button { width: 32px; height: 32px; border: 0; border-radius: var(--radius); color: var(--muted); background: transparent; }
.codex-sidebar-foot button:hover { color: var(--ink); background: var(--neutral-soft); }
.codex-sidebar-foot svg { width: 17px; height: 17px; margin: auto; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
#chatSidebarLogoutBtn { opacity: .52; }
#chatSidebarLogoutBtn:hover, #chatSidebarLogoutBtn:focus-visible { opacity: 1; color: var(--brand-dark); background: var(--brand-soft); }

.message-pane { min-width: 0; min-height: 0; display: grid; grid-template-rows: auto auto minmax(0, 1fr) auto; background: linear-gradient(180deg, #fff, #f8fbff 70%, #f3f7fc); }
.chat-contextbar { min-height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 8px 20px; border-bottom: 1px solid var(--border); }
.chat-contextbar .eyebrow, .chat-contextbar h3 { margin: 0; }
.chat-contextbar h3 { font-size: 14px; }
.chat-context-actions { display: flex; align-items: center; gap: 8px; }
.chat-hint { color: var(--muted); font-size: 11px; }
.message-pane > .inline-banner { margin: 8px 20px 0; }
.message-list { min-height: 0; overflow-y: auto; padding: 22px max(22px, calc((100% - 760px) / 2)) 110px; scroll-behavior: smooth; }
.message { margin-bottom: 24px; }
.message.user { margin-left: auto; max-width: 82%; padding: 13px 15px; border: 1px solid #c9dcf7; border-radius: var(--radius-lg); background: #edf5ff; box-shadow: 0 5px 16px rgb(37 99 235 / 6%); }
.message.assistant, .message.system { max-width: 760px; margin-right: auto; }
.message.assistant .message-meta strong { color: var(--brand-dark); }
.message-meta { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 8px; color: var(--muted); font-size: 11px; }
.message-meta strong { color: var(--ink-soft); font-size: 12px; }
.message-meta > span { display: flex; gap: 3px; }
.message-copy { min-height: 27px; padding: 0 6px; border: 0; border-radius: var(--radius-sm); color: var(--muted); background: transparent; font-size: 11px; }
.message-copy:hover { color: var(--ink); background: var(--neutral-soft); }
.message-content { color: var(--ink); font-size: 15px; line-height: 1.72; overflow-wrap: anywhere; }
.message-content p { margin: 0 0 12px; white-space: pre-wrap; }
.message-content h3, .message-content h4, .message-content h5 { margin: 20px 0 8px; color: var(--ink); line-height: 1.35; }
.message-content h3 { font-size: 19px; }
.message-content h4 { font-size: 16px; }
.message-content h5 { font-size: 14px; }
.message-content ul, .message-content ol { margin: 0 0 14px; padding-left: 24px; }
.message-content li + li { margin-top: 4px; }
.message-content blockquote { margin: 0 0 14px; padding: 8px 12px; border-left: 3px solid var(--brand); color: var(--ink-soft); background: var(--brand-soft); white-space: pre-wrap; }
.message-content hr { height: 1px; margin: 18px 0; border: 0; background: var(--border); }
.message-content a { color: var(--brand-dark); text-decoration: underline; text-underline-offset: 2px; }
.inline-code { padding: 1px 5px; border-radius: 4px; color: #24384f; background: #eaf0f7; font: .9em var(--font-mono); }
.message-table-wrap { max-width: 100%; overflow-x: auto; margin: 0 0 14px; border: 1px solid var(--border); border-radius: var(--radius); }
.message-table { width: 100%; min-width: 460px; border-collapse: collapse; font-size: 13px; }
.message-table th, .message-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.message-table th { color: var(--ink-soft); background: #f4f8fd; font-weight: 700; }
.message-table tr:last-child td { border-bottom: 0; }
.code-block { position: relative; max-width: 100%; overflow: auto; padding: 35px 15px 15px; border-radius: var(--radius); color: #e9f0eb; background: #202923; font: 13px/1.65 var(--font-mono); }
.code-language { position: absolute; top: 8px; left: 12px; color: #9eb0a4; font-size: 10px; text-transform: uppercase; }
.message-attachments, .message-outputs { display: grid; gap: 7px; margin: 8px 0 12px; }
.attachment-card, .workspace-output-card { min-width: 0; display: grid; grid-template-columns: 42px minmax(0, 1fr) auto; align-items: center; gap: 10px; padding: 9px; border: 1px solid var(--border); border-radius: var(--radius); color: var(--ink); background: var(--surface); }
.attachment-card:hover, .workspace-output-card:hover { border-color: #8eb3e8; background: #edf5ff; }
.attachment-icon, .workspace-output-icon { display: grid; place-items: center; width: 42px; height: 36px; border-radius: var(--radius-sm); color: var(--ai-dark); background: var(--ai-soft); font: 700 10px var(--font-mono); }
.attachment-icon { color: #277d83; background: #e8f7f5; }
.attachment-image-preview { width: 42px; height: 36px; border-radius: var(--radius-sm); object-fit: cover; background: #e8f7f5; }
.workspace-output-icon { color: var(--brand-dark); background: var(--brand-soft); }
.attachment-card > span:nth-child(2), .workspace-output-body { display: grid; min-width: 0; }
.attachment-card strong, .workspace-output-body strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.attachment-card small, .workspace-output-body small, .workspace-output-download { font-size: 10px; }
.workspace-output-download { color: var(--ai); font-weight: 650; }
.message-output-error { padding: 8px 10px; border-radius: var(--radius); color: var(--danger); background: var(--danger-soft); font-size: 12px; }
.message-interruption { width: fit-content; margin: 6px 0 10px; padding: 5px 8px; border: 1px solid #f0c46a; border-radius: var(--radius-sm); color: #7a4c00; background: #fff8e8; font-size: 11px; }

.composer { position: sticky; bottom: 0; z-index: 5; width: min(780px, calc(100% - 32px)); margin: 0 auto 16px; padding: 9px; border: 1px solid #b8cdec; border-radius: var(--radius-lg); background: rgb(255 255 255 / 97%); box-shadow: 0 14px 38px rgb(30 64 175 / 11%); }
.composer.is-dragging { border-color: var(--ai); box-shadow: var(--focus); }
.composer textarea { min-height: 52px; max-height: 180px; padding: 9px 10px; border: 0; box-shadow: none; resize: none; font-size: 14px; }
.composer-tools { display: flex; align-items: center; gap: 7px; padding-top: 7px; border-top: 1px solid var(--border); }
.composer-tools .compact-field { display: flex; align-items: center; gap: 6px; margin: 0; }
.composer-tools select { width: auto; min-width: 128px; max-width: 220px; min-height: 32px; padding: 4px 28px 4px 9px; border-color: var(--border); background-color: #f8fbff; font-size: 11px; }
#attachChatBtn { width: 34px; margin-right: auto; padding: 0; font-size: 20px; }
#sendChatBtn { width: 36px; min-height: 36px; padding: 0; border-radius: 50%; transition: transform .15s, background .15s; }
#sendChatBtn:hover { transform: translateY(-1px) scale(1.04); }
#sendChatBtn[aria-busy="true"] .send-icon { display: none; }
#sendChatBtn[aria-busy="true"]::before { content: ""; width: 9px; height: 9px; border-radius: 3px; background: currentColor; }
#sendChatBtn.is-stopping { color: #fff; background: var(--danger); }
.send-icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.attachment-tray { display: none; flex-wrap: wrap; gap: 6px; padding: 2px 2px 8px; }
.attachment-tray.has-items { display: flex; }
.attachment-chip { max-width: 100%; display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: 6px; padding: 5px 7px; border: 1px solid var(--border); border-radius: var(--radius); background: #f2f7ff; font-size: 11px; }
.attachment-chip .attachment-icon { width: auto; min-width: 42px; height: 22px; padding: 0 6px; border-radius: 6px; font-size: 9px; }
.attachment-chip .attachment-icon.is-readable { color: var(--success); background: var(--success-soft); }
.attachment-chip .attachment-icon.is-storage-only { color: var(--warning); background: var(--warning-soft); }
.attachment-chip .attachment-icon.is-vision { color: var(--brand-dark); background: var(--brand-soft); }
.attachment-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attachment-chip button { width: 22px; height: 22px; border: 0; border-radius: 50%; background: transparent; }
.attachment-chip button:hover { color: var(--danger); background: var(--danger-soft); }

.workspace-pane-head { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 13px; border-bottom: 1px solid var(--border); }
.workspace-pane-head > div { display: grid; }
.workspace-pane-head span { color: var(--muted); font-size: 11px; }
.workspace-pane-head strong { font-size: 13px; }
.workspace-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; padding: 9px; }
.workspace-tabs button { min-height: 32px; border: 0; border-radius: var(--radius-sm); color: var(--muted); background: transparent; font-size: 11px; }
.workspace-tabs button[aria-pressed="true"] { color: var(--brand-dark); background: var(--brand-soft); font-weight: 700; }
.workspace-file-list { flex: 1; overflow-y: auto; padding: 0 8px; }
.workspace-file-list .empty-state { min-height: 170px; }
.workspace-file { display: grid; grid-template-columns: 38px minmax(0, 1fr) auto; align-items: center; gap: 9px; padding: 9px 6px; border-bottom: 1px solid var(--border); }
.workspace-file-icon { display: grid; place-items: center; width: 38px; height: 38px; border-radius: var(--radius); color: var(--ai-dark); background: var(--ai-soft); font: 700 9px var(--font-mono); }
.workspace-file-icon.output { color: var(--brand-dark); background: var(--brand-soft); }
.workspace-file-info { min-width: 0; display: grid; gap: 2px; }
.workspace-file-info strong, .workspace-file-info small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.workspace-file-info strong { font-size: 11px; }
.workspace-file-info small { font-size: 11px; }
.workspace-file-actions { display: flex; opacity: 0; }
.workspace-file:hover .workspace-file-actions, .workspace-file:focus-within .workspace-file-actions { opacity: 1; }
.workspace-file-actions a, .workspace-file-actions button { display: grid; place-items: center; width: 27px; height: 27px; border: 0; border-radius: var(--radius-sm); color: var(--muted); background: transparent; }
.workspace-file-actions a:hover, .workspace-file-actions button:hover { color: var(--ink); background: var(--neutral-soft); }
.workspace-file-actions button:last-child:hover { color: var(--danger); background: var(--danger-soft); }
.workspace-state { margin: 0; padding: 9px 12px; border-top: 1px solid var(--border); }
.workspace-closed .chat-layout { grid-template-columns: 250px minmax(0, 1fr); }
.workspace-closed .workspace-pane { display: none; }
.workspace-backdrop, .mobile-sidebar-backdrop { display: none; }

/* Modal and notifications */
.modal-root { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 20px; isolation: isolate; }
.modal-backdrop { position: absolute; z-index: 0; inset: 0; background: rgb(23 36 58 / 42%); backdrop-filter: blur(4px); }
.modal-panel { position: relative; z-index: 1; width: min(520px, 100%); max-height: min(760px, calc(100dvh - 40px)); overflow: auto; border: 1px solid #d3e5dc; border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-dialog); }
.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 18px 20px 12px; border-bottom: 1px solid var(--border); }
.modal-head p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
.modal-head h2 { margin: 0; font-size: 18px; }
.modal-body { padding: 18px 20px; }
.modal-message { color: var(--ink-soft); }
.pwa-install-guide { display: grid; gap: 14px; }
.pwa-install-guide ol { display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; counter-reset: pwa-step; }
.pwa-install-guide li { position: relative; display: grid; gap: 2px; min-height: 56px; padding: 9px 11px 9px 50px; border: 1px solid #cddcf1; border-radius: var(--radius); background: #f8fbff; counter-increment: pwa-step; }
.pwa-install-guide li::before { content: counter(pwa-step); position: absolute; top: 10px; left: 11px; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: var(--brand-dark); background: var(--brand-soft); font-weight: 750; }
.pwa-install-guide li strong { font-size: 13px; }
.pwa-install-guide li span { color: var(--muted); font-size: 12px; }
.pwa-permission-note { display: grid; gap: 3px; margin: 0; padding: 11px 12px; border-left: 3px solid #57a68d; border-radius: var(--radius-sm); color: var(--ink-soft); background: #edf8f3; font-size: 12px; }
.pwa-permission-note strong { color: #226d55; }
.modal-form { display: grid; gap: 13px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px; border-top: 1px solid var(--border); background: var(--surface-soft); }
.danger-modal { border-top: 4px solid var(--danger); }
.permission-fieldset { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius); }
.toast-region { position: fixed; right: 18px; bottom: 18px; z-index: 100; display: grid; gap: 8px; width: min(360px, calc(100% - 36px)); }
.toast { padding: 11px 13px; border: 1px solid var(--border); border-left: 4px solid var(--brand); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-pop); }
.mobile-nav-drawer { inset: auto 0 calc(58px + env(safe-area-inset-bottom)); width: 100%; max-width: none; max-height: min(70dvh, 520px); margin: 0; padding: 0 max(14px, env(safe-area-inset-right)) 16px max(14px, env(safe-area-inset-left)); overflow: auto; border: 0; border-top: 1px solid var(--border); border-radius: 8px 8px 0 0; color: var(--ink); background: var(--surface); box-shadow: 0 -18px 48px rgb(30 58 138 / 18%); }
.mobile-nav-drawer::backdrop { background: rgb(23 36 58 / 42%); }
.mobile-nav-drawer-head { min-height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border); }
.mobile-nav-drawer-head h2 { margin: 0; font-size: 17px; }
.mobile-nav-drawer-head .icon-btn { width: 44px; min-height: 44px; font-size: 22px; }
.mobile-more-nav { display: grid; gap: 12px; padding-top: 8px; }
.mobile-more-group { display: grid; gap: 4px; }
.mobile-more-group + .mobile-more-group { padding-top: 10px; border-top: 1px solid var(--border); }
.mobile-more-group h3 { margin: 0; padding: 5px 10px 2px; color: var(--muted); font-size: 11px; font-weight: 750; }
.mobile-more-nav a { min-height: 48px; display: flex; align-items: center; gap: 12px; padding: 8px 10px; border-radius: var(--radius); color: var(--ink-soft); }
.mobile-more-nav a:hover { color: var(--ink); background: var(--surface-soft); }
.mobile-more-nav a[aria-current="page"] { color: var(--brand-dark); background: var(--brand-soft); }
.mobile-more-nav svg, .mobile-more-nav-placeholder { width: 20px; height: 20px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.mobile-more-nav strong { font-size: 14px; }
.mobile-nav-open { overflow: hidden; }

@media (max-width: 1180px) {
  .channel-grid, .status-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
  .chat-layout { grid-template-columns: 230px minmax(0, 1fr) 270px; }
}

@media (max-width: 900px) {
  :root { --control: 42px; }
  .app-shell, .chat-focus { display: block; }
  .login-view { padding: 18px; background: linear-gradient(145deg, #eaf2ff 0%, #f8fbff 48%, #eef5ff 100%); }
  .login-view::before { opacity: .5; background-image: radial-gradient(circle at 18% 18%, rgb(255 255 255 / 88%) 0 3px, transparent 4px), radial-gradient(circle at 82% 30%, rgb(134 203 226 / 24%) 0 4px, transparent 5px); background-size: 34px 34px, 48px 48px; mask-image: linear-gradient(to bottom, #000, transparent 80%); }
  .login-panel { width: min(400px, 100%); gap: 16px; padding: 24px 20px; border-color: #d5e2f3; border-top-color: var(--brand); background: rgb(255 255 255 / 96%); box-shadow: 0 22px 60px rgb(30 64 175 / 14%); }
  .login-brand-desktop, .login-copy-desktop { display: none; }
  .login-brand-mobile { display: flex; }
  .login-copy-mobile { display: block; }
  .login-copy-mobile { border-color: #dbe6f4; }
  .login-copy-mobile .eyebrow { color: var(--brand-dark); }
  .login-copy-mobile h1 { color: var(--ink); font-size: 24px; }
  .login-panel .field input:focus { border-color: var(--brand); box-shadow: var(--focus); }
  .login-panel > .btn.primary { border-color: var(--brand); background: var(--brand); box-shadow: 0 7px 18px rgb(37 99 235 / 18%); }
  .login-panel > .btn.primary:hover { background: var(--brand-dark); }
  .sidebar { position: fixed; inset: auto 0 0; z-index: 35; width: 100%; height: calc(58px + env(safe-area-inset-bottom)); display: block; padding: 5px max(8px, env(safe-area-inset-right)) max(5px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left)); border: 0; border-top: 1px solid var(--border); background: rgb(255 255 255 / 96%); }
  .sidebar-brand, .sidebar-user, .nav-group { display: none; }
  .main-nav { height: 100%; display: flex; flex-direction: row; gap: 3px; padding: 0; overflow: hidden; }
  .main-nav > .nav-cluster { display: none; }
  .main-nav > a:not([data-mobile-primary]) { display: none; }
  .main-nav a, .mobile-more-btn { position: relative; flex: 1 1 20%; min-width: 0; min-height: 46px; place-items: center; align-content: center; gap: 2px; padding: 2px; border: 0; border-radius: var(--radius); color: var(--ink-soft); background: transparent; }
  .main-nav a { display: grid; }
  .mobile-more-btn { display: grid; }
  .main-nav a svg, .mobile-more-btn svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
  .main-nav a strong, .mobile-more-btn strong { display: block; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; font-weight: 600; }
  .main-nav a[aria-current="page"]::before, .mobile-more-btn[aria-current="page"]::before { content: ""; position: absolute; inset: auto 25% -5px; width: 50%; height: 3px; border-radius: 2px 2px 0 0; background: var(--brand); }
  .mobile-more-btn[aria-current="page"] { color: var(--brand-dark); background: var(--brand-soft); }
  .topbar { min-height: 58px; padding: 8px 15px; }
  .topbar-copy h1 { font-size: 17px; }
  #mainContent { padding: 18px 14px calc(82px + env(safe-area-inset-bottom)); }
  .ai-browser-focus #mainContent { height: 100dvh; padding: 0; }
  .ai-browser-toolbar { height: 48px; flex-basis: 48px; padding-inline: 10px; }
  .ai-browser-toolbar .eyebrow { display: none; }
  .ai-browser-actions .state-chip { display: none; }
  .ai-browser-command { min-width: 38px; padding-inline: 9px; }
  .ai-browser-command span { display: none; }
  .section-head { align-items: center; }
  .section-head h2 { font-size: 19px; }
  .douyin-ai-status { margin-bottom: 18px; }
  .split-grid { grid-template-columns: 1fr; }
  .upload-strip, .settings-form { grid-template-columns: 1fr; }
  .channel-grid, .status-grid { grid-template-columns: 1fr; }

  .chat-focus .sidebar { display: none; }
  .chat-focus #mainContent { height: 100dvh; padding: 0; }
  .chat-focus .chat-panel > .section-head { height: 50px; padding-inline: 9px; }
  .mobile-history-btn { display: grid; }
  .chat-back-btn { width: 38px; min-width: 38px; height: 38px; justify-content: center; padding: 0; }
  .chat-back-btn span { display: none; }
  #chatInstallPwaBtn { min-height: 36px; padding-inline: 10px; }
  .chat-layout, .workspace-closed .chat-layout { height: calc(100dvh - 50px); display: block; position: relative; }
  .conversation-pane, .workspace-pane { position: fixed; z-index: 62; top: 50px; bottom: 0; width: min(84vw, 330px); display: flex; transition: transform .18s ease; box-shadow: var(--shadow-dialog); }
  .conversation-pane { left: 0; transform: translateX(-105%); }
  .workspace-pane { right: 0; transform: translateX(105%); }
  .mobile-sidebar-open .conversation-pane { transform: translateX(0); }
  .mobile-workspace-open .workspace-pane { transform: translateX(0); }
  .workspace-closed .workspace-pane { display: flex; }
  .mobile-sidebar-backdrop, .workspace-backdrop { position: fixed; z-index: 60; inset: 50px 0 0; border: 0; background: rgb(23 36 58 / 38%); }
  .mobile-sidebar-open .mobile-sidebar-backdrop, .mobile-workspace-open .workspace-backdrop { display: block; }
  .message-pane { height: 100%; }
  .agent-grid { grid-template-columns: 1fr; }
  .chat-contextbar { min-height: 50px; padding: 7px 13px; }
  .chat-contextbar .eyebrow, .chat-hint { display: none; }
  .message-pane > .inline-banner { margin-inline: 12px; }
  .message-list { padding: 16px 13px 100px; }
  .message.user { max-width: 91%; }
  .message-content { font-size: 14px; }
  .composer { width: calc(100% - 16px); margin-bottom: max(8px, env(safe-area-inset-bottom)); }
}

@media (display-mode: standalone) {
  .pwa-install-btn, .android-apk-btn { display: none !important; }
}

@media (display-mode: standalone) and (max-width: 900px) {
  .chat-focus .chat-panel > .section-head {
    height: calc(50px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
  }
  .chat-layout, .workspace-closed .chat-layout {
    height: calc(100dvh - 50px - env(safe-area-inset-top));
  }
  .conversation-pane, .workspace-pane {
    top: calc(50px + env(safe-area-inset-top));
  }
  .mobile-sidebar-backdrop, .workspace-backdrop {
    inset: calc(50px + env(safe-area-inset-top)) 0 0;
  }
}

@media (max-width: 720px) {
  .login-view { padding: 14px; }
  .login-panel { padding: 22px 18px; }
  .topbar-actions .btn { padding-inline: 10px; }
  .douyin-ai-status { align-items: flex-start; }
  .douyin-ai-mark { min-width: 48px; padding-top: 2px; }
  .agent-summary { grid-template-columns: 1fr; }
  .agent-summary-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 4px; border-right: 0; border-bottom: 1px solid var(--border); background: var(--canvas); }
  .agent-summary-item:last-child { border-bottom: 0; }
  .agent-summary-item strong { margin: 0; font-size: 16px; }
  .agent-card { min-height: 0; padding: 16px; }
  .agent-card-foot { align-items: stretch; flex-direction: column; }
  .agent-card-foot .btn { width: 100%; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric { min-height: 95px; padding: 14px; }
  .metric strong { font-size: 22px; }
  .system-mode-card { align-items: flex-start; flex-direction: column; }
  .table-wrap { border: 0; background: transparent; overflow: visible; }
  table, tbody { display: block; }
  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 { display: block; margin-bottom: 10px; padding: 7px 12px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
  tbody td { min-height: 0; display: grid; grid-template-columns: 98px minmax(0, 1fr); gap: 10px; padding: 7px 0; border: 0; white-space: normal; }
  tbody td::before { content: attr(data-label); color: var(--muted); font-size: 11px; }
  tbody td[data-admin-column].hidden { display: none; }
  tbody tr.job-row-completed { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 4px 12px; padding: 10px 12px; }
  .job-row-completed td { display: block; padding: 2px 0; }
  .job-row-completed td::before { display: none; }
  .job-row-completed td[data-label="提交时间"], .job-row-completed td[data-label="成员"], .job-row-completed td[data-label="文件"] { display: none; }
  .job-row-completed td[data-label="任务"] { min-width: 0; }
  .job-row-completed td[data-label="任务"] code { overflow-wrap: anywhere; }
  .job-row-completed td[data-label="状态"] { justify-self: end; }
  .job-row-completed .status-stack > .job-progress, .job-row-completed .status-stack > small, .job-row-completed .status-line > .numeric { display: none; }
  .job-row-completed td[data-label="操作"] { grid-column: 1 / -1; padding-top: 6px; border-top: 1px solid var(--border); }
  .row-actions { justify-content: flex-start; }
  .table-toolbar { align-items: stretch; flex-direction: column; }
  .filter-field { width: 100%; }
  .permission-fieldset { grid-template-columns: 1fr; }
  .chat-head-actions #newConversationBtn { display: none; }
  #workspaceToggleBtn { min-height: 36px; padding-inline: 10px; }
  .chat-context-actions #retryChatBtn { display: none; }
  .composer-tools .compact-field > span { display: none; }
  .composer-tools select { min-width: 105px; max-width: 42vw; }
  .workspace-file-actions { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (forced-colors: active) {
  .status-dot, .brand-mark, .job-progress span { forced-color-adjust: none; }
  .main-nav a[aria-current="page"], .state-chip, .badge { border: 1px solid currentColor; }
}