:root {
  --ui-text: #b5c3d4;
  --ui-title: #e4edf7;
  --ui-strong: #d8e6f2;
  --ui-muted: #90a2b8;
  --ui-label: #a8b8cb;
  --ui-value: #85d5c0;
  --ui-primary-text: #ddfff6;
  --ui-primary-bg: rgb(19 76 69 / 96%);
  --ui-secondary-text: #bac9da;
  --ui-secondary-bg: rgb(137 166 197 / 9%);
  --ui-secondary-border: rgb(151 177 206 / 16%);
  --ui-region-bg: rgb(12 24 40 / 88%);
  --ui-region-tint: rgb(132 165 202 / 4%);
  --ui-region-border: rgb(151 177 206 / 12%);
  --ui-user-message-bg: rgb(35 67 78 / 60%);
  --ui-field-bg: rgb(5 15 28 / 76%);
  --ui-shadow-soft: 0 4px 16px rgb(0 5 14 / 12%);
  --ui-shadow-raised: 0 12px 36px rgb(0 5 14 / 28%);
  --ui-title-shadow: none;
  --ui-font-body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  --ui-font-mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --ui-weight-title: 650;
  --ui-weight-label: 550;
  --ui-weight-body: 400;
}

:root { color-scheme: dark; font-family: "SF Pro Text", "PingFang SC", system-ui, sans-serif; --bg: #030608; --surface: var(--ui-region-bg); --line: rgb(157 226 232 / 20%); --text: var(--ui-text); --muted: var(--ui-muted); --accent: #72e7df; --accent-strong: #46c7c4; --danger: #ff8e9c; --warning: #ffc46b; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { min-width: 280px; background: var(--bg); }
body { min-height: 100vh; margin: 0; color: var(--text); background: radial-gradient(circle at 12% 8%, rgb(44 137 145 / 24%), transparent 36rem), radial-gradient(circle at 88% 24%, rgb(56 77 173 / 22%), transparent 38rem), linear-gradient(150deg, #07131d, #071117 52%, #091820); line-height: 1.55; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; background: linear-gradient(110deg, transparent 0 48%, rgb(107 236 226 / 5%) 48.2% 48.35%, transparent 48.55%), radial-gradient(circle at 70% 70%, rgb(118 97 218 / 9%), transparent 30rem); }
a { color: var(--accent); }
button, input, textarea, select { font: inherit; }
button, input, textarea, select { border: 1px solid var(--line); border-radius: 5px; background: rgb(4 15 22 / 78%); color: var(--text); }
input, textarea, select { width: 100%; padding: .75rem .8rem; }
textarea { resize: vertical; }
button { min-height: 44px; padding: .65rem 1rem; border-color: color-mix(in srgb, var(--accent) 48%, var(--line)); background: var(--ui-primary-bg); color: var(--ui-primary-text); font-weight: 760; cursor: pointer; }
button.secondary { background: var(--ui-secondary-bg); color: var(--ui-secondary-text); border-color: var(--ui-secondary-border); box-shadow: none; }
button:disabled { cursor: not-allowed; opacity: .48; }
:focus-visible { outline: 3px solid var(--warning); outline-offset: 3px; }
.skip-link { position: fixed; left: .75rem; top: -5rem; z-index: 10; padding: .75rem; background: var(--text); color: var(--bg); }
.skip-link:focus { top: .75rem; }
.workspace-portal-header, .workspace-portal-shell, footer { width: calc(100% - 2rem); margin-inline: auto; }
.workspace-portal-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 1.25rem; border-bottom: 1px solid var(--line); }
.workspace-portal-brand { display: flex; align-items: center; gap: .65rem; color: var(--text); text-decoration: none; }
.workspace-portal-brand > span { display: grid; place-items: center; width: 2.25rem; aspect-ratio: 1; border: 1px solid color-mix(in srgb, var(--accent) 55%, transparent); border-radius: 5px; background: rgb(78 207 198 / 12%); color: var(--accent); font-size: .75rem; }
.workspace-portal-header nav { display: flex; gap: 1rem; }
.workspace-portal-header nav a { color: var(--muted); font-size: .84rem; text-decoration: none; }
.workspace-portal-shell { padding-block: 1.5rem; }
.workspace-portal-intro { max-width: 850px; }
.eyebrow { margin: 0 0 .35rem; color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .14em; }
h1, h2, h3, h4, p { margin-top: 0; }
h1, h2, h3, h4 { color: var(--ui-title); text-shadow: var(--ui-title-shadow); }
.workspace-member-card header strong { color: var(--ui-strong); }
form label:not(.check-row), dt { color: var(--ui-label); }
dd { color: var(--ui-value); }
h1 { max-width: 18ch; margin-bottom: .75rem; font-size: clamp(2.35rem, 7vw, 5.6rem); letter-spacing: -.065em; line-height: .98; }
h2 { margin-bottom: .35rem; font-size: clamp(1.25rem, 3vw, 1.8rem); letter-spacing: -.025em; }
h3 { margin-bottom: .35rem; }
.workspace-portal-intro > p:last-of-type { max-width: 66ch; color: var(--muted); }
.workspace-portal-identity-flow { display: grid; grid-template-columns: 1fr 4rem 1fr 4rem 1fr; align-items: center; gap: .6rem; margin-top: 2rem; padding-block: 1rem; border-block: 1px solid var(--line); }
.workspace-portal-identity-flow span { display: grid; }
.workspace-portal-identity-flow small { color: var(--muted); font-size: .7rem; }
.workspace-portal-identity-flow strong { overflow-wrap: anywhere; }
.workspace-portal-identity-flow i { height: 1px; background: linear-gradient(90deg, transparent, var(--accent), transparent); box-shadow: 0 0 10px rgb(114 231 223 / 45%); }
.workspace-portal-session { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 1rem; align-items: center; margin-block: 2.5rem 1rem; padding-block: 1rem; border-block: 1px solid var(--line); }
.workspace-portal-session h2, .workspace-portal-session p { margin-bottom: 0; }
.workspace-portal-session #workspace-session-message { color: var(--muted); font-size: .82rem; }
.status-pill, .count-badge { display: inline-flex; align-items: center; justify-content: center; min-height: 1.8rem; padding-inline: .7rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .72rem; }
.status-pill.ok { border-color: color-mix(in srgb, var(--accent) 55%, var(--line)); color: var(--accent); }
.status-pill.error { border-color: color-mix(in srgb, var(--danger) 60%, var(--line)); color: var(--danger); }
.workspace-portal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
.workspace-portal-surface { min-width: 0; padding: 1.4rem 0; border-block: 1px solid var(--line); background: linear-gradient(135deg, var(--ui-region-tint), transparent 70%), var(--ui-region-bg); box-shadow: none; backdrop-filter: blur(16px); }
.workspace-portal-surface > p:not(.eyebrow):not(.message) { max-width: 60ch; color: var(--muted); font-size: .84rem; }
form { display: grid; gap: .55rem; }
form label:not(.check-row) { color: var(--ui-label); font-size: .76rem; font-weight: 650; }
.check-row { display: flex; align-items: flex-start; gap: .5rem; color: var(--muted); font-size: .78rem; }
.check-row input { width: auto; margin-top: .22rem; }
.message { margin: .75rem 0 0; color: var(--muted); font-size: .78rem; }
.message.error { color: var(--danger); }
.message.ok { color: var(--accent); }
.workspace-invitation-review { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--line); }
dl { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .3rem .8rem; margin: 0 0 1rem; }
dt { color: var(--ui-label); font-size: .72rem; }
dd { margin: 0; overflow-wrap: anywhere; font-size: .82rem; }
.workspace-member-home { display: flex; flex-direction: column; flex: 1; min-height: 0; border: 1px solid var(--line); background: rgb(9 24 35 / 35%); }
.workspace-member-home > header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .8rem 1rem; border-bottom: 1px solid var(--line); }
.workspace-member-home > header h2 { margin: 0; font-size: 1.1rem; }
.workspace-scope-bar { border-bottom: 1px solid var(--line); padding: .4rem 1rem; }
#workspace-memberships { display: flex; flex-wrap: wrap; gap: .4rem; }
.workspace-workbench { display: grid; flex: 1; grid-template-columns: minmax(150px, 200px) minmax(0, 1fr) minmax(180px, 250px); min-height: 0; }
.workspace-rail, .workspace-context { min-width: 0; overflow: auto; padding: 1rem; }
.workspace-rail { border-right: 1px solid var(--line); }
.workspace-context { border-left: 1px solid var(--line); }
.workspace-rail h3, .workspace-context h3 { font-size: .86rem; margin-block: .5rem; }
.workspace-rail-action { width: 100%; min-height: 40px; text-align: left; padding: .5rem; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; color: var(--text); font-weight: 500; }
.workspace-rail-action[aria-pressed="true"] { background: rgb(74 170 200 / 14%); color: var(--accent); }
.workspace-work-main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.workspace-work-main > header { padding: 1rem; border-bottom: 1px solid var(--line); }
.workspace-work-main > header h3 { margin: 0; font-size: 1rem; }
#workspace-work-status { margin: .4rem 0 0; color: var(--muted); font-size: .8rem; }
.workspace-timeline { flex: 1; min-height: 0; overflow: auto; padding-inline: clamp(1rem, 4vw, 3rem); scrollbar-gutter: stable; }
.workspace-turn { padding-block: 1.2rem; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
.workspace-turn h3 { font-size: 1rem; font-weight: 500; white-space: pre-wrap; }
.workspace-task-state { color: var(--accent); font-size: .72rem; }
.workspace-output { line-height: 1.75; }
.workspace-output pre { padding: 1rem; background: rgb(3 9 15 / 65%); overflow: auto; }
.rich-table { overflow: auto; } .rich-table table { width: 100%; border-collapse: collapse; } .rich-table th, .rich-table td { padding: .5rem; text-align: left; border-bottom: 1px solid var(--line); }
.workspace-compose { padding: 1rem; border-top: 1px solid var(--line); background: rgb(24 76 107 / 8%); }
.workspace-compose textarea { min-height: 7rem; background: rgb(29 80 107 / 9%); border-color: rgb(127 191 219 / 22%); }
.workspace-compose > div { display: flex; justify-content: flex-end; gap: .5rem; }
.workspace-active .workspace-portal-intro, .workspace-active footer { display: none; }
body.workspace-active { height: 100dvh; min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.workspace-active .workspace-portal-session { margin-block: 0; padding-block: .5rem; border-top: 0; }
.workspace-active .workspace-portal-shell { display: flex; flex-direction: column; flex: 1; min-height: 0; padding-block: 0; }
.workspace-active .workspace-portal-header { padding-block: .65rem; }
body[data-working="true"] .workspace-task-state { color: #a4f2eb; }
body[data-working="true"] .workspace-work-main > header { border-bottom-color: rgb(100 205 209 / 55%); }
#workspace-runtime-details { margin-top: 1.5rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.section-heading h3 { margin: 0; }
.workspace-member-list { display: grid; }
.workspace-member-card { padding-block: .85rem; border-bottom: 1px solid var(--line); }
.workspace-member-card:first-child { border-top: 1px solid var(--line); }
.workspace-member-card header { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.workspace-member-card header strong { overflow-wrap: anywhere; }
.workspace-package-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .65rem; }
.workspace-package-actions button { min-height: 38px; }
.empty-state { padding-block: 1rem; color: var(--muted); }
footer { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.5rem 3rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; }

@media (max-width: 760px) {
  body.workspace-active { height: auto; min-height: 100dvh; overflow: auto; }
  .workspace-portal-header { align-items: flex-start; }
  .workspace-portal-header nav { flex-direction: column; align-items: flex-end; gap: .3rem; }
  .workspace-portal-identity-flow { grid-template-columns: 1fr; }
  .workspace-portal-identity-flow i { width: 2rem; transform: rotate(90deg); }
  .workspace-portal-session { grid-template-columns: 1fr auto; }
  .workspace-portal-session button { grid-column: 1 / -1; }
  .workspace-portal-grid { grid-template-columns: 1fr; }
  .workspace-workbench { grid-template-columns: 1fr; }
  .workspace-rail { border-right: 0; border-bottom: 1px solid var(--line); }
  #workspace-employees, #workspace-conversations { display: flex; flex-direction: column; max-height: 8rem; overflow: auto; }
  .workspace-rail-action { width: auto; max-width: 100%; }
  .workspace-context { border-left: 0; border-top: 1px solid var(--line); }
  .workspace-timeline { max-height: none; min-height: 35dvh; }
  .workspace-member-home > header { flex-direction: column; }
  footer { flex-direction: column; }
}
@media (prefers-reduced-transparency: reduce) { .workspace-portal-surface { background: #0a1820; backdrop-filter: none; } }
@media (forced-colors: active) { body, h1, h2, h3, h4, form label, dt, dd { color: CanvasText; text-shadow: none; } .workspace-portal-surface { background: Canvas; box-shadow: none; backdrop-filter: none; } button { color: ButtonText; background: ButtonFace; border-color: ButtonText; box-shadow: none; } }