web/src/hitl.css

/* ════════════════════════════════════════════════════════════════════
   HUMAN-IN-THE-LOOP APPROVAL UI
   Warm, minimal, premium — Claude.ai / Linear.app aesthetic
   ════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Root ────────────────────────────────────────── */

.hitl-root {
  --bg:            #faf9f7;
  --bg-sidebar:    #f5f4f1;
  --bg-elevated:   #ffffff;
  --text-primary:  #1a1814;
  --text-secondary:#6b6560;
  --text-tertiary: #a39e98;
  --border:        #e8e6e1;
  --border-subtle: #eeece8;
  --amber:         #d47c3a;
  --green:         #4a7c59;
  --red:           #c0392b;
  --blue:          #5b8fb9;
  --purple:        #8b6cc1;

  min-height: calc(100vh - 56px);
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Prompt Screen ───────────────────────────────── */

.hitl-prompt-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 5rem 1.5rem 3rem;
  gap: 2rem;
  max-width: 600px;
  margin: 0 auto;
}

.hitl-prompt-hero {
  text-align: center;
}

.hitl-hero-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  margin: 0;
}

.hitl-hero-sub {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 0.5rem;
  line-height: 1.6;
}

.hitl-prompt-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hitl-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.hitl-example-chip {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 150ms;
}

.hitl-example-chip:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
  background: #f0efec;
}

.hitl-prompt-textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.875rem 1rem;
  border-radius: 10px;
  font-family: inherit;
  font-size: 0.875rem;
  resize: vertical;
  outline: none;
  transition: border-color 150ms;
  line-height: 1.6;
  box-sizing: border-box;
}

.hitl-prompt-textarea:focus {
  border-color: var(--amber);
}

.hitl-prompt-textarea::placeholder {
  color: var(--text-tertiary);
}

.hitl-design-name-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hitl-design-label {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  white-space: nowrap;
}

.hitl-design-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.375rem 0.625rem;
  border-radius: 6px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.8125rem;
  outline: none;
}

.hitl-design-input:focus {
  border-color: var(--amber);
}

.hitl-options-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.hitl-toggle {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  cursor: pointer;
}

.hitl-toggle input[type='checkbox'] {
  accent-color: var(--amber);
}

.hitl-advanced-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  padding: 0.3rem 0.625rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 120ms;
}

.hitl-advanced-toggle:hover {
  border-color: var(--text-secondary);
  color: var(--text-secondary);
}

.hitl-advanced-panel {
  background: var(--bg-sidebar);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.hitl-opt-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}

.hitl-opt {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hitl-opt span {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.hitl-opt input,
.hitl-opt select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 0.375rem 0.5rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  outline: none;
  font-family: inherit;
}

.hitl-opt input:focus,
.hitl-opt select:focus {
  border-color: var(--amber);
}

.hitl-opt-checks {
  display: flex;
  gap: 1.5rem;
}

.hitl-error {
  background: rgba(192, 57, 43, 0.06);
  border: 1px solid rgba(192, 57, 43, 0.18);
  color: var(--red);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8125rem;
}

.hitl-launch-btn {
  width: 100%;
  background: var(--text-primary);
  border: none;
  color: #fff;
  padding: 0.75rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 150ms;
}

.hitl-launch-btn:hover:not(:disabled) {
  background: #2c2820;
}

.hitl-launch-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ── Build Layout ────────────────────────────────── */

.hitl-build-layout {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 56px);
}

/* ── Top Bar ─────────────────────────────────────── */

.hitl-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  height: 48px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.hitl-topbar-left {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.hitl-topbar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  animation: hitl-soft-pulse 2s ease-in-out infinite;
}

@keyframes hitl-soft-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.hitl-topbar-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.hitl-topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hitl-topbar-step {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.hitl-topbar-cancel {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 0.75rem;
  font-weight: 500;
  font-family: inherit;
  padding: 0.25rem 0.625rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 150ms;
}

.hitl-topbar-cancel:hover {
  border-color: var(--text-secondary);
  color: var(--text-secondary);
}

/* ── Build Body ──────────────────────────────────── */

.hitl-build-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ── Sidebar (Pipeline) ──────────────────────────── */

.hitl-sidebar {
  width: 200px;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  padding: 1.25rem 0;
  overflow-y: auto;
  flex-shrink: 0;
}

.hitl-sidebar-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  padding: 0 1.25rem;
  margin-bottom: 0.875rem;
}

.hitl-sidebar-stages {
  display: flex;
  flex-direction: column;
}

.hitl-sidebar-stage {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  padding: 0.4375rem 1.25rem;
  border-left: 2px solid transparent;
  transition: all 150ms;
}

.hitl-sidebar-indicator {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.hitl-sidebar-dot-empty {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
}

.hitl-sidebar-dot-active {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--amber);
  animation: hitl-soft-pulse 2s ease-in-out infinite;
}

.hitl-sidebar-stage-name {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-tertiary);
  transition: color 150ms;
}

/* Stage info wrapper (name + description) */
.hitl-sidebar-stage-info {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
  flex: 1;
}

.hitl-sidebar-stage-desc {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  opacity: 0.7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* Milestone dot badge (gold star after milestone stages complete) */
.hitl-sidebar-milestone-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #f6ad55;
  flex-shrink: 0;
  box-shadow: 0 0 4px rgba(246,173,85,0.6);
}

/* Milestone stage: subtly bolder left bar on active */
.hitl-stage--milestone.hitl-stage--active {
  border-left-color: #f6ad55;
}

/* Stage completion flash for milestone stages */
.hitl-stage--milestone.hitl-stage--completed .hitl-sidebar-stage-name {
  color: var(--text-secondary);
}

/* Stage status modifiers */
.hitl-stage--completed .hitl-sidebar-stage-name {
  color: var(--text-secondary);
}

.hitl-stage--active {
  border-left-color: var(--amber);
}

.hitl-stage--active .hitl-sidebar-stage-name {
  color: var(--text-primary);
  font-weight: 500;
}

.hitl-stage--waiting {
  border-left-color: var(--amber);
}

.hitl-stage--waiting .hitl-sidebar-stage-name {
  color: var(--amber);
  font-weight: 500;
}

/* Milestone toast ─────────────────────────────────────────────────── */
.hitl-milestone-toast {
  position: absolute;
  top: 0.875rem;
  right: 1rem;
  z-index: 50;
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  background: var(--bg-card, #1a1917);
  border: 1px solid rgba(246,173,85,0.35);
  border-left: 3px solid #f6ad55;
  border-radius: 8px;
  padding: 0.625rem 0.875rem;
  min-width: 240px;
  max-width: 320px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  cursor: pointer;
  animation: hitl-toast-in 280ms cubic-bezier(0.22,1,0.36,1) both;
}

@keyframes hitl-toast-in {
  from { opacity: 0; transform: translateX(16px); }
  to   { opacity: 1; transform: translateX(0); }
}

.hitl-milestone-toast-icon {
  font-size: 0.875rem;
  color: #f6ad55;
  flex-shrink: 0;
  padding-top: 0.06rem;
}

.hitl-milestone-toast-body {
  display: flex;
  flex-direction: column;
  gap: 0.1875rem;
  flex: 1;
  min-width: 0;
}

.hitl-milestone-toast-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary, #e8e5e0);
}

.hitl-milestone-toast-msg {
  font-size: 0.75rem;
  color: var(--text-secondary, #9a9590);
  line-height: 1.45;
}

.hitl-milestone-toast-close {
  background: none;
  border: none;
  font-size: 0.9rem;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
  line-height: 1;
}

/* Stall warning banner ────────────────────────────────────────────── */
.hitl-stall-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.40);
  border-left: 3px solid #fbbf24;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
  animation: hitl-toast-in 280ms cubic-bezier(0.22,1,0.36,1) both;
}

.hitl-stall-body {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  flex: 1;
  min-width: 0;
}

.hitl-stall-icon {
  font-size: 1rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.hitl-stall-msg {
  font-size: 0.8125rem;
  color: #fef3c7;
  line-height: 1.5;
}

.hitl-stall-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.hitl-stall-cancel-btn {
  padding: 0.3rem 0.75rem;
  border-radius: 5px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  background: #dc2626;
  color: #fff;
  border: none;
  transition: background 0.15s;
}
.hitl-stall-cancel-btn:hover { background: #b91c1c; }

.hitl-stall-dismiss-btn {
  padding: 0.3rem 0.75rem;
  border-radius: 5px;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  background: rgba(255,255,255,0.08);
  color: var(--text-secondary, #9a9590);
  border: 1px solid rgba(255,255,255,0.12);
  transition: background 0.15s;
}
.hitl-stall-dismiss-btn:hover { background: rgba(255,255,255,0.14); }

.hitl-stage--failed {
  border-left-color: var(--red);
}

.hitl-stage--failed .hitl-sidebar-stage-name {
  color: var(--red);
  font-weight: 500;
}

/* ── Main Area ───────────────────────────────────── */

.hitl-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* ── Live Log ────────────────────────────────────── */

.hitl-log {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hitl-log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.hitl-log-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.hitl-log-scroll {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.6875rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 120ms;
}

.hitl-log-scroll:hover {
  border-color: var(--text-secondary);
}

.hitl-log-body {
  flex: 1;
  overflow-y: auto;
  padding: 0.375rem 0;
}

.hitl-log-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.hitl-log-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.5rem 1.5rem;
  border-left: 2px solid transparent;
  line-height: 1.65;
  transition: background 100ms;
}

.hitl-log-row--expandable {
  cursor: pointer;
}

.hitl-log-row:hover {
  background: rgba(0, 0, 0, 0.018);
}

.hitl-log-ts {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  flex-shrink: 0;
  user-select: none;
}

.hitl-log-badge {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  flex-shrink: 0;
  white-space: nowrap;
  min-width: 5rem;
}

.hitl-log-msg {
  font-size: 0.8125rem;
  color: var(--text-primary);
  line-height: 1.65;
  min-width: 0;
  word-break: break-word;
}

.hitl-log-expand {
  color: var(--text-tertiary);
  font-weight: 500;
}

/* ── Approval Bar (bottom-pinned) ────────────────── */

.hitl-approval {
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-radius: 12px 12px 0 0;
  padding: 0.875rem 1.5rem;
  animation: hitl-slide-up 280ms ease-out;
}

@keyframes hitl-slide-up {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.hitl-approval-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hitl-approval-left {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

.hitl-approval-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.hitl-dot--warn {
  background: var(--amber);
}

.hitl-dot--error {
  background: var(--red);
}

.hitl-approval-stage {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.hitl-approval-summary {
  flex: 1;
  font-size: 0.8125rem;
  color: var(--text-primary);
  line-height: 1.5;
  margin: 0;
  min-width: 0;
}

.hitl-approval-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.hitl-fb-link {
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  padding: 0;
  transition: color 120ms;
}

.hitl-fb-link:hover {
  color: var(--text-secondary);
}

.hitl-continue {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: inherit;
  padding: 0.375rem 0.875rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 150ms;
  white-space: nowrap;
}

.hitl-continue:hover:not(:disabled) {
  background: rgba(0, 0, 0, 0.04);
  border-color: var(--text-secondary);
}

.hitl-continue:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Inline feedback row */
.hitl-approval-feedback {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

.hitl-fb-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 0.8125rem;
  color: var(--text-primary);
  font-family: inherit;
}

.hitl-fb-input::placeholder {
  color: var(--text-tertiary);
}

.hitl-reject-pill {
  background: transparent;
  border: 1px solid #e0c8c0;
  color: var(--red);
  font-size: 0.75rem;
  font-weight: 500;
  font-family: inherit;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 120ms;
  white-space: nowrap;
}

.hitl-reject-pill:hover:not(:disabled) {
  background: rgba(192, 57, 43, 0.05);
  border-color: var(--red);
}

.hitl-reject-pill:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.hitl-fb-cancel {
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 0.25rem;
  line-height: 1;
  transition: color 120ms;
}

.hitl-fb-cancel:hover {
  color: var(--text-secondary);
}

/* ── Bottom Status Bar ───────────────────────────── */

.hitl-bottombar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  height: 36px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.hitl-bottombar-msg {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.hitl-bottombar-progress {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.hitl-bottombar-track {
  width: 120px;
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
}

.hitl-bottombar-fill {
  height: 100%;
  background: var(--amber);
  border-radius: 1px;
  transition: width 600ms ease;
}

.hitl-bottombar-pct {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  min-width: 2.5rem;
  text-align: right;
}

/* ── Done Screen ─────────────────────────────────── */

.hitl-done-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem 1.5rem;
  gap: 2rem;
}

.hitl-done-card {
  text-align: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem 3rem;
  width: 100%;
  max-width: 640px;
}

.hitl-done-success {
  border-color: rgba(74, 124, 89, 0.3);
}

.hitl-done-fail {
  border-color: rgba(192, 57, 43, 0.3);
}

.hitl-done-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 0.375rem;
}

.hitl-done-design {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

.hitl-done-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
}

.hitl-done-detail {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.hitl-reset-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 120ms;
}

.hitl-reset-btn:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
}

/* Report download row in HITL done screen */
.hitl-report-downloads {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.hitl-report-label {
  font-size: 0.78rem;
  color: var(--text-secondary, #888);
}

.hitl-report-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  border: 1px solid rgba(245, 120, 31, 0.3);
  background: rgba(245, 120, 31, 0.08);
  color: #f5781f;
  font-size: 0.77rem;
  font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: background 120ms, border-color 120ms;
}

.hitl-report-btn:hover {
  background: rgba(245, 120, 31, 0.18);
  border-color: rgba(245, 120, 31, 0.5);
  text-decoration: none;
}

.hitl-done-log {
  width: 100%;
  max-width: 800px;
  height: 400px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}

/* ── Failure Details ─────────────────────────────── */

.hitl-fail-details {
  text-align: left;
  margin: 1rem 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.hitl-fail-stage {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.75rem;
  background: rgba(192, 57, 43, 0.06);
  border: 1px solid rgba(192, 57, 43, 0.15);
  border-radius: 8px;
}

.hitl-fail-stage-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.hitl-fail-stage-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
  text-transform: uppercase;
}

.hitl-fail-error {
  padding: 0.625rem 0.75rem;
  background: rgba(192, 57, 43, 0.04);
  border-left: 3px solid var(--red);
  border-radius: 0 6px 6px 0;
}

.hitl-fail-error-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.25rem;
}

.hitl-fail-error-msg {
  font-size: 0.8125rem;
  color: var(--text-primary);
  line-height: 1.45;
  margin: 0;
  font-family: 'JetBrains Mono', monospace;
  word-break: break-word;
}

.hitl-fail-section-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.375rem;
}

.hitl-fail-completed {
  display: flex;
  flex-direction: column;
}

.hitl-fail-stage-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.hitl-fail-chip {
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  white-space: nowrap;
}

.hitl-fail-chip--done {
  color: var(--green);
  background: rgba(74, 124, 89, 0.08);
}

.hitl-fail-chip--fail {
  color: var(--red);
  background: rgba(192, 57, 43, 0.08);
  font-weight: 600;
}

/* Partial artifacts */
.hitl-fail-artifacts {
  display: flex;
  flex-direction: column;
}

.hitl-fail-artifact-list {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  overflow: hidden;
}

.hitl-fail-artifact-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.625rem;
  font-size: 0.75rem;
  background: var(--bg);
}

.hitl-fail-artifact-row:nth-child(even) {
  background: var(--bg-elevated);
}

.hitl-fail-artifact-type {
  font-size: 0.625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.125rem 0.375rem;
  border-radius: 3px;
  min-width: 48px;
  text-align: center;
}

.hitl-artifact-type--rtl       { color: var(--blue); background: rgba(91, 143, 185, 0.1); }
.hitl-artifact-type--waveform  { color: var(--purple); background: rgba(139, 108, 193, 0.1); }
.hitl-artifact-type--layout    { color: var(--amber); background: rgba(212, 124, 58, 0.1); }
.hitl-artifact-type--constraints { color: var(--green); background: rgba(74, 124, 89, 0.1); }
.hitl-artifact-type--config    { color: var(--text-secondary); background: rgba(107, 101, 96, 0.08); }
.hitl-artifact-type--script    { color: var(--amber); background: rgba(212, 124, 58, 0.08); }
.hitl-artifact-type--formal    { color: var(--purple); background: rgba(139, 108, 193, 0.08); }
.hitl-artifact-type--log       { color: var(--text-tertiary); background: rgba(163, 158, 152, 0.1); }
.hitl-artifact-type--report    { color: var(--green); background: rgba(74, 124, 89, 0.08); }
.hitl-artifact-type--other     { color: var(--text-tertiary); background: rgba(163, 158, 152, 0.08); }

.hitl-fail-artifact-name {
  flex: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hitl-fail-artifact-size {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
}

.hitl-fail-artifact-more {
  padding: 0.375rem 0.625rem;
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  text-align: center;
  font-style: italic;
}

/* Build stats row */
.hitl-fail-stats {
  display: flex;
  gap: 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
}

.hitl-fail-stat {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Collapsible log section */
.hitl-done-log-section {
  width: 100%;
  max-width: 800px;
}

.hitl-done-log-toggle {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-family: inherit;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  transition: all 120ms;
  width: 100%;
  text-align: left;
}

.hitl-done-log-toggle:hover {
  border-color: var(--border);
  color: var(--text-primary);
  background: var(--bg-elevated);
}

/* ── Responsive ──────────────────────────────────── */

@media (max-width: 768px) {
  .hitl-build-body {
    flex-direction: column;
  }

  .hitl-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding: 0.75rem 0;
  }

  .hitl-sidebar-stages {
    flex-direction: row;
    overflow-x: auto;
    padding: 0 1rem;
  }

  .hitl-sidebar-stage {
    padding: 0.375rem 0.75rem;
    border-left: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }

  .hitl-stage--active {
    border-left-color: transparent;
    border-bottom-color: var(--amber);
  }

  .hitl-stage--waiting {
    border-left-color: transparent;
    border-bottom-color: var(--amber);
  }

  .hitl-stage--failed {
    border-left-color: transparent;
    border-bottom-color: var(--red);
  }

  .hitl-opt-grid {
    grid-template-columns: 1fr;
  }

  .hitl-approval-row {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .hitl-approval-summary {
    order: 3;
    flex-basis: 100%;
  }
}


/* ═══════════════════════════════════════════════════════════
   IMPROVEMENT 1 – Thinking / Loading Indicator
   ═══════════════════════════════════════════════════════════ */

@keyframes hitl-pulse {
    0%, 100% { opacity: 0.35; }
    50% { opacity: 1; }
}

.hitl-thinking-pulse {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--amber, #d47c3a);
    animation: hitl-pulse 1.5s ease-in-out infinite;
    margin-right: 6px;
    vertical-align: middle;
}

.hitl-log-row--thinking {
    background: rgba(212, 124, 58, 0.05);
    border-left-width: 3px;
    border-left-style: solid;
}


/* ═══════════════════════════════════════════════════════════
   IMPROVEMENT 2 – Build Mode Selector & Stage Toggles
   ═══════════════════════════════════════════════════════════ */

.hitl-mode-row {
    margin: 0.75rem 0 0.5rem;
}

.hitl-mode-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary, #6b6560);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.5rem;
}

.hitl-mode-pills {
    display: flex;
    gap: 0.5rem;
}

.hitl-mode-pill {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.6rem 0.5rem;
    border: 1.5px solid var(--border, #e8e6e1);
    border-radius: 10px;
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.hitl-mode-pill:hover {
    border-color: var(--amber, #d47c3a);
    background: rgba(212, 124, 58, 0.04);
}

.hitl-mode-pill--active {
    border-color: var(--amber, #d47c3a);
    background: rgba(212, 124, 58, 0.08);
    box-shadow: 0 0 0 1px rgba(212, 124, 58, 0.15);
}

.hitl-mode-pill-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-primary, #1a1814);
}

.hitl-mode-pill-desc {
    font-size: 0.68rem;
    color: var(--text-tertiary, #a39e98);
    margin-top: 2px;
}

.hitl-stage-toggle-btn {
    display: inline-block;
    background: none;
    border: none;
    font-size: 0.78rem;
    color: var(--text-secondary, #6b6560);
    cursor: pointer;
    padding: 0.25rem 0;
    margin: 0.25rem 0 0.5rem;
    font-family: inherit;
}

.hitl-stage-toggle-btn:hover {
    color: var(--amber, #d47c3a);
}

.hitl-stage-toggles {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0.5rem 0;
    margin-bottom: 0.5rem;
}

.hitl-stage-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.3rem 0.6rem;
    border-radius: 16px;
    font-size: 0.72rem;
    font-weight: 500;
    border: 1px solid var(--border, #e8e6e1);
    cursor: pointer;
    transition: all 0.15s ease;
    font-family: inherit;
    background: transparent;
}

.hitl-stage-chip--on {
    background: rgba(74, 124, 89, 0.10);
    border-color: var(--green, #4a7c59);
    color: var(--green, #4a7c59);
}

.hitl-stage-chip--off {
    background: rgba(163, 158, 152, 0.08);
    border-color: var(--border, #e8e6e1);
    color: var(--text-tertiary, #a39e98);
    text-decoration: line-through;
}

.hitl-stage-chip--locked {
    cursor: not-allowed;
    opacity: 0.7;
}

.hitl-stage-chip--locked:hover {
    cursor: not-allowed;
}

.hitl-stage-lock {
    font-size: 0.65rem;
}


/* ═══════════════════════════════════════════════════════════
   Sidebar – Skipped Stage Styling
   ═══════════════════════════════════════════════════════════ */

.hitl-stage--skipped .hitl-sidebar-stage-name {
    color: var(--text-tertiary, #a39e98);
    text-decoration: line-through;
    opacity: 0.6;
}

.hitl-sidebar-dot-skipped {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-tertiary, #a39e98);
    border: 1.5px solid var(--border, #e8e6e1);
    border-radius: 50%;
    line-height: 1;
}


/* ═══════════════════════════════════════════════════════════
   IMPROVEMENT 3 – Redesigned Build Failed Page
   ═══════════════════════════════════════════════════════════ */

.hitl-fail-redesign {
    text-align: left;
}

.hitl-fail-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 0.25rem;
}

.hitl-fail-heading-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--amber, #d47c3a);
    flex-shrink: 0;
}

.hitl-fail-heading-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary, #1a1814);
    margin: 0;
}

.hitl-fail-design-name {
    font-size: 0.82rem;
    color: var(--text-secondary, #6b6560);
    font-family: 'SF Mono', 'Fira Code', monospace;
    margin: 0.15rem 0 1rem;
}

.hitl-fail-explanation {
    background: rgba(212, 124, 58, 0.06);
    border-left: 3px solid var(--amber, #d47c3a);
    padding: 0.75rem 1rem;
    border-radius: 0 8px 8px 0;
    margin-bottom: 1rem;
}

.hitl-fail-explanation p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-primary, #1a1814);
    line-height: 1.5;
}

.hitl-fail-stages {
    margin-bottom: 1rem;
}

.hitl-fail-stage-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin-top: 0.4rem;
}

.hitl-fail-chip {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.68rem;
    font-weight: 500;
    border: 1px solid var(--border, #e8e6e1);
}

.hitl-fail-chip-icon {
    font-size: 0.6rem;
}

.hitl-fail-chip--done {
    background: rgba(74, 124, 89, 0.08);
    border-color: rgba(74, 124, 89, 0.25);
    color: var(--green, #4a7c59);
}

.hitl-fail-chip--stopped {
    background: rgba(212, 124, 58, 0.10);
    border-color: rgba(212, 124, 58, 0.35);
    color: var(--amber, #d47c3a);
    font-weight: 600;
}

.hitl-fail-chip--skipped {
    background: rgba(163, 158, 152, 0.06);
    border-color: var(--border, #e8e6e1);
    color: var(--text-tertiary, #a39e98);
}

.hitl-fail-chip--pending {
    background: transparent;
    border-color: var(--border, #e8e6e1);
    color: var(--text-tertiary, #a39e98);
}

.hitl-fail-error-brief {
    margin-bottom: 1rem;
    padding: 0.6rem 0.75rem;
    background: rgba(192, 57, 43, 0.04);
    border-radius: 8px;
    border: 1px solid rgba(192, 57, 43, 0.12);
}

.hitl-fail-error-brief .hitl-fail-error-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary, #a39e98);
}

.hitl-fail-error-brief .hitl-fail-error-msg {
    margin: 0.25rem 0 0;
    font-size: 0.8rem;
    color: var(--text-primary, #1a1814);
    font-family: 'SF Mono', 'Fira Code', monospace;
    line-height: 1.5;
    word-break: break-word;
}

.hitl-fail-artifacts-grouped {
    margin-bottom: 1rem;
}

.hitl-fail-artifact-group {
    margin-top: 0.5rem;
}

.hitl-fail-artifact-group-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary, #a39e98);
    margin-bottom: 0.25rem;
    padding-left: 0.25rem;
}

.hitl-fail-artifact-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.5rem;
    border-radius: 6px;
    transition: background 0.15s ease;
}

.hitl-fail-artifact-row:hover {
    background: rgba(212, 124, 58, 0.04);
}

.hitl-fail-artifact-name {
    flex: 1;
    font-size: 0.78rem;
    color: var(--text-primary, #1a1814);
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.hitl-fail-artifact-size {
    font-size: 0.7rem;
    color: var(--text-tertiary, #a39e98);
    min-width: 50px;
    text-align: right;
}

.hitl-fail-artifact-dl {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-secondary, #6b6560);
    text-decoration: none;
    transition: background 0.15s ease;
}

.hitl-fail-artifact-dl:hover {
    background: rgba(212, 124, 58, 0.10);
    color: var(--amber, #d47c3a);
}

.hitl-fail-suggestion {
    background: rgba(212, 124, 58, 0.06);
    border: 1px solid rgba(212, 124, 58, 0.18);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    margin: 1rem 0;
}

.hitl-fail-suggestion-label {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--amber, #d47c3a);
    margin-bottom: 0.3rem;
}

.hitl-fail-suggestion p {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-primary, #1a1814);
    line-height: 1.5;
}

.hitl-fail-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
    justify-content: center;
}

.hitl-fail-btn-primary {
    padding: 0.55rem 1.5rem;
    border-radius: 20px;
    border: none;
    background: var(--amber, #d47c3a);
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.hitl-fail-btn-primary:hover {
    background: #c06928;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(212, 124, 58, 0.25);
}

.hitl-fail-btn-ghost {
    padding: 0.55rem 1.5rem;
    border-radius: 20px;
    border: 1.5px solid var(--border, #e8e6e1);
    background: transparent;
    color: var(--text-secondary, #6b6560);
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.hitl-fail-btn-ghost:hover {
    border-color: var(--amber, #d47c3a);
    color: var(--amber, #d47c3a);
}

/* Responsive adjustments for new components */
@media (max-width: 768px) {
    .hitl-mode-pills {
        flex-direction: column;
    }

    .hitl-fail-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hitl-fail-btn-primary,
    .hitl-fail-btn-ghost {
        text-align: center;
    }
}


/* ════════════════════════════════════════════════════════════════════
   APPROVAL CARD  (ac-*)
   Premium, minimal — stage checkpoint card with next-step context
   ════════════════════════════════════════════════════════════════════ */

.ac-card {
    position: relative;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.125rem 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    padding-left: 1.5rem; /* space for accent bar */
}

.ac-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12%;
    bottom: 12%;
    width: 3px;
    border-radius: 0 2px 2px 0;
    transition: background 200ms;
}

.ac-card--ok::before    { background: var(--green); }
.ac-card--warn::before  { background: var(--amber); }
.ac-card--error::before { background: var(--red); }

/* Header */
.ac-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.ac-stage-id {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.ac-stage-symbol {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    line-height: 1;
}

.ac-stage-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--text-secondary);
}

.ac-badge {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.125rem 0.4375rem;
    border-radius: 4px;
}

.ac-badge--warn  { background: rgba(212,124,58,0.1);  color: var(--amber); }
.ac-badge--error { background: rgba(192,57,43,0.1);   color: var(--red);   }

.ac-artifact-pill {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    font-family: 'JetBrains Mono', monospace;
    white-space: nowrap;
}

/* Summary */
.ac-summary {
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--text-primary);
    margin: 0;
}

/* Next stage hint */
.ac-next-hint {
    display: flex;
    align-items: baseline;
    gap: 0.375rem;
    font-size: 0.775rem;
    color: var(--text-tertiary);
    padding: 0.5rem 0 0.125rem;
    border-top: 1px solid var(--border-subtle);
}

.ac-next-arrow {
    font-size: 0.75rem;
    opacity: 0.5;
    flex-shrink: 0;
}

.ac-next-text {
    line-height: 1.45;
}

/* Footer */
.ac-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.625rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-subtle);
}

/* Stage report download buttons inside ApprovalCard */
.ac-report-downloads {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-right: auto;
}

.ac-report-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.2rem;
    padding: 0.25rem 0.6rem;
    border-radius: 5px;
    border: 1px solid var(--border-subtle, rgba(255,255,255,0.1));
    background: rgba(245, 120, 31, 0.08);
    color: #f5781f;
    font-size: 0.72rem;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: background 120ms, border-color 120ms;
}

.ac-report-btn:hover {
    background: rgba(245, 120, 31, 0.18);
    border-color: rgba(245, 120, 31, 0.4);
    text-decoration: none;
}

.ac-give-feedback {
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.775rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 120ms;
    margin-right: auto;
}

.ac-give-feedback:hover { color: var(--text-secondary); }

.ac-continue-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--green);
    color: #fff;
    border: none;
    font-family: inherit;
    font-size: 0.8125rem;
    font-weight: 500;
    padding: 0.4375rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: opacity 150ms, transform 150ms;
    letter-spacing: 0.01em;
}

.ac-continue-btn:hover:not(:disabled) {
    opacity: 0.88;
    transform: translateY(-1px);
}

.ac-continue-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.ac-chevron {
    font-size: 0.9rem;
    line-height: 1;
    opacity: 0.85;
}

/* Feedback row */
.ac-feedback-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.ac-feedback-input {
    flex: 1;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.375rem 0.625rem;
    font-family: inherit;
    font-size: 0.8125rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color 150ms;
}

.ac-feedback-input:focus         { border-color: var(--text-secondary); }
.ac-feedback-input::placeholder  { color: var(--text-tertiary); }

.ac-reject-btn {
    background: transparent;
    border: 1px solid rgba(192,57,43,0.3);
    color: var(--red);
    font-family: inherit;
    font-size: 0.775rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 120ms;
}

.ac-reject-btn:hover:not(:disabled) { background: rgba(192,57,43,0.05); border-color: var(--red); }
.ac-reject-btn:disabled             { opacity: 0.5; cursor: not-allowed; }

.ac-cancel-btn {
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.775rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0.375rem 0.25rem;
    transition: color 120ms;
}

.ac-cancel-btn:hover { color: var(--text-secondary); }

/* ── Artifact list (expandable) ─────────────────────────────────── */
.ac-artifact-toggle {
    cursor: pointer;
    background: none;
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 0.175rem 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: background 120ms, border-color 120ms;
}
.ac-artifact-toggle:hover {
    background: rgba(255,255,255,0.03);
    border-color: var(--text-tertiary);
}

.ac-artifact-chevron {
    display: inline-block;
    font-size: 0.75rem;
    transition: transform 160ms ease;
    transform: rotate(0deg);
}
.ac-artifact-chevron--open {
    transform: rotate(90deg);
}

.ac-artifacts {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem 0;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    margin: 0.25rem 0;
}

.ac-artifact-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3125rem 0.375rem;
    border-radius: 4px;
    transition: background 100ms;
}
.ac-artifact-row:hover {
    background: rgba(255,255,255,0.025);
}

.ac-artifact-type {
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    padding: 0.1rem 0.375rem;
    border-radius: 3px;
    flex-shrink: 0;
    font-family: 'JetBrains Mono', monospace;
}
.ac-artifact-type--rtl        { background: rgba(99,179,237,0.12);  color: #63b3ed; }
.ac-artifact-type--waveform   { background: rgba(129,230,217,0.12); color: #81e6d9; }
.ac-artifact-type--layout     { background: rgba(183,148,244,0.12); color: #b794f4; }
.ac-artifact-type--constraints{ background: rgba(246,173,85,0.12);  color: #f6ad55; }
.ac-artifact-type--config     { background: rgba(160,174,192,0.12); color: #a0aec0; }
.ac-artifact-type--script     { background: rgba(160,174,192,0.12); color: #a0aec0; }
.ac-artifact-type--formal     { background: rgba(246,173,85,0.12);  color: #f6ad55; }
.ac-artifact-type--log        { background: rgba(160,174,192,0.08); color: #718096; }
.ac-artifact-type--report     { background: rgba(72,187,120,0.12);  color: #48bb78; }
.ac-artifact-type--other      { background: rgba(160,174,192,0.08); color: #718096; }

.ac-artifact-name {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    flex: 1;
}

.ac-artifact-desc {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.ac-artifact-dl {
    flex-shrink: 0;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-decoration: none;
    padding: 0.125rem 0.25rem;
    border-radius: 3px;
    transition: color 120ms, background 120ms;
}
.ac-artifact-dl:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}