:root {
  --bg: #fafafa;
  --card: #ffffff;
  --text: #262626;
  --muted: #737373;
  --border: #dbdbdb;
  --accent: #0095f6;
  --accent-hover: #1877f2;
  --danger: #ed4956;
  --radius: 8px;
  --shadow: none;
}

* {
  box-sizing: border-box;
}

.is-hidden {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 935px;
  margin: 0 auto;
  height: 60px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-mark {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-pill {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #f2f2f2;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

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

.topbar-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
}

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

.layout {
  max-width: 935px;
  margin: 0 auto;
  padding: 24px 16px 64px;
  display: grid;
  grid-template-columns: minmax(0, 560px) 320px;
  gap: 24px;
  align-items: start;
}

.feed {
  display: grid;
  gap: 16px;
}

.sidebar {
  display: grid;
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.card > h2 {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.post-card {
  padding: 0;
  overflow: hidden;
}

.post-card .post-head {
  padding: 14px 16px 12px;
}

.post-card .topic-line {
  padding: 0 16px 10px;
}

.post-card .stepper-wrap {
  padding: 12px 16px;
  margin-bottom: 0;
}

.post-card .toast {
  margin: 12px 16px 0;
}

.post-card .timeline-panels {
  padding: 16px;
}

.card.note {
  background: #fff;
}

.card-head {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.card-head.compact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-head h1 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.card-head h2 {
  margin: 0;
  font-size: 16px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.post-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 2px 0 12px;
}

.post-user {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--accent-hover);
  background: linear-gradient(135deg, rgba(0, 149, 246, 0.18), rgba(24, 119, 242, 0.06));
  border: 1px solid rgba(0, 149, 246, 0.22);
  flex: 0 0 auto;
}

.post-meta {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.post-title {
  display: flex;
  align-items: baseline;
  gap: 6px;
  min-width: 0;
  line-height: 1.2;
}

.handle {
  font-weight: 800;
  font-size: 14px;
  letter-spacing: -0.01em;
}

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

.post-title .muted {
  font-weight: 650;
  font-size: 13px;
}

.sub {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
}

.topic-line {
  margin: 0;
  font-size: 13px;
  line-height: 1.35;
  color: var(--text);
  font-weight: 600;
  word-break: break-word;
}

.stepper-wrap {
  display: grid;
  gap: 10px;
  padding: 12px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.stepper {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: nowrap;
  gap: 12px;
  overflow-x: auto;
  padding: 2px 8px 10px;
  scrollbar-width: none;
}

.stepper::-webkit-scrollbar {
  display: none;
}

.step {
  display: grid;
  justify-items: center;
  gap: 6px;
  min-width: 50px;
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  text-align: center;
  user-select: none;
}

.step .dot {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.step .dot svg {
  width: 18px;
  height: 18px;
}

.step.active {
  color: var(--text);
}

.step.active .dot {
  border-color: rgba(0, 149, 246, 0.55);
  background: #fff;
  color: var(--accent-hover);
  box-shadow: 0 0 0 3px rgba(0, 149, 246, 0.1);
}

.step.done {
  color: #4b5563;
}

.step.done .dot {
  border-color: rgba(0, 149, 246, 0.25);
  background: #fff;
  color: var(--accent-hover);
}

.step.approval .dot {
  box-shadow: 0 0 0 2px rgba(0, 149, 246, 0.08);
}

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

.status-pill {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(0, 149, 246, 0.12);
  color: var(--accent-hover);
  border: 1px solid rgba(0, 149, 246, 0.22);
  font-weight: 700;
  font-size: 12px;
  white-space: nowrap;
}

.status-time {
  color: var(--muted);
  font-size: 12px;
}

.toast {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  background: #eff6ff;
  color: #1d4ed8;
  margin: 12px 0;
}

.toast.info {
  border-color: rgba(0, 149, 246, 0.3);
}

.toast.error {
  background: #fef2f2;
  color: #b91c1c;
  border-color: rgba(237, 73, 86, 0.35);
}

.toast.is-hidden {
  display: none !important;
}

.timeline-panels {
  display: grid;
  gap: 14px;
}

.timeline-panel {
  display: none;
  gap: 12px;
}

.timeline-panel.active {
  display: grid;
}

.timeline-panel h2 {
  margin: 0;
  font-size: 16px;
}

.form {
  display: grid;
  gap: 10px;
}

label {
  font-size: 13px;
  font-weight: 800;
}

textarea {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  background: #fafafa;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 12px;
  font-size: 14px;
  line-height: 1.4;
  font-family: inherit;
}

textarea:focus {
  outline: 2px solid rgba(0, 149, 246, 0.25);
  outline-offset: 2px;
}

textarea::placeholder {
  color: rgba(115, 115, 115, 0.9);
}

input {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 14px;
}

input:focus {
  outline: 2px solid rgba(0, 149, 246, 0.25);
  outline-offset: 2px;
}

.actions {
  display: flex;
  justify-content: flex-end;
}

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

.btn {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 12px;
  font-weight: 700;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  background: #fff;
  color: var(--text);
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn.primary {
  border-color: rgba(0, 149, 246, 0.55);
  background: var(--accent);
  color: #fff;
}

.btn.primary:hover:not(:disabled) {
  background: var(--accent-hover);
}

.btn.secondary {
  border-color: rgba(237, 73, 86, 0.35);
  background: #fff;
  color: var(--danger);
}

.btn.secondary:hover:not(:disabled) {
  border-color: rgba(237, 73, 86, 0.6);
  background: rgba(237, 73, 86, 0.08);
}

.btn.tertiary {
  color: var(--muted);
  background: #fff;
}

.btn.tertiary:hover:not(:disabled) {
  border-color: rgba(0, 0, 0, 0.18);
  color: var(--text);
}

.btn.ghost {
  border-color: transparent;
  background: transparent;
  color: var(--accent);
  padding: 10px 0;
}

.btn.ghost:hover:not(:disabled) {
  color: var(--accent-hover);
  text-decoration: underline;
}

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

.spinner {
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(0, 0, 0, 0.12);
  border-top-color: rgba(0, 149, 246, 0.9);
  animation: spin 0.9s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.artifact {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fafafa;
  overflow: hidden;
}

.artifact-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 13px;
}

.artifact-body {
  padding: 12px;
  font-size: 13px;
  line-height: 1.45;
  color: #111827;
  white-space: pre-wrap;
  max-height: 320px;
  overflow: auto;
}

.mini-activity-wrap {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fafafa;
  overflow: hidden;
}

.mini-activity-head {
  padding: 10px 12px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 800;
  color: var(--muted);
}

.mini-activity {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
}

.mini-activity li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

.mini-activity li:last-child {
  border-bottom: none;
}

.mini-activity .msg {
  font-size: 13px;
  font-weight: 650;
  color: var(--text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-activity .at {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.hitl-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.metric {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fafafa;
  padding: 10px 12px;
}

.metric-label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

.metric-value {
  font-size: 14px;
  font-weight: 800;
}

.preview {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fafafa;
  padding: 12px;
  display: grid;
  gap: 10px;
}

.preview video,
.preview iframe {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #000;
}

.preview a {
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
}

.preview a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.result-body {
  display: grid;
  gap: 12px;
}

.result-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
  display: grid;
  gap: 8px;
}

.result-card a {
  color: var(--accent);
  font-weight: 700;
  word-break: break-word;
}

.result-card a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.activity {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.activity li {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
}

.activity .activity-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: var(--muted);
}

.activity .activity-msg {
  font-size: 13px;
  color: var(--text);
  font-weight: 600;
}

.runs-list {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.run-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: #fff;
  display: grid;
  gap: 8px;
}

.run-card[data-active="true"] {
  border-color: rgba(0, 149, 246, 0.45);
  box-shadow: 0 0 0 3px rgba(0, 149, 246, 0.12);
}

.run-card header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.run-meta {
  font-size: 12px;
  color: var(--muted);
}

.run-card p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.run-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.run-actions a {
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
}

.run-actions a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }
}