:root {
  --bg-canvas: #0A0C0F;
  --bg-surface: #111419;
  --bg-elevated: #161B22;
  --bg-hover: #1B212A;
  --line-subtle: #202631;
  --line-strong: #2E3746;
  --ink-primary: #EDEFF3;
  --ink-secondary: #98A1B0;
  --ink-muted: #646E7D;
  --accent-ivory: #DFD8C8;
  --accent-ivory-hover: #EAE4D7;
  --ink-on-ivory: #0B0D11;
  --tone-sage: #6CA07A;
  --tone-sage-bg: rgba(108, 160, 122, 0.12);
  --tone-sage-line: rgba(108, 160, 122, 0.30);
  --tone-amber: #D4943A;
  --tone-amber-bg: rgba(212, 148, 58, 0.13);
  --tone-amber-line: rgba(212, 148, 58, 0.32);
  --tone-terra: #BE534F;
  --tone-terra-bg: rgba(190, 83, 79, 0.13);
  --tone-terra-line: rgba(190, 83, 79, 0.32);
  --font-display: 'Space Grotesk', 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-body: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  min-height: 100%;
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.hidden {
  display: none !important;
}

/* Auth Screen */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-surface);
  border: 1px solid var(--line-subtle);
  border-radius: 14px;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 11px;
}

.brand-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-secondary);
}

.field input {
  width: 100%;
  background: var(--bg-canvas);
  border: 1px solid var(--line-subtle);
  border-radius: 8px;
  padding: 11px 13px;
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.18s var(--ease-out);
}

.field input:focus {
  border-color: var(--accent-ivory);
}

.form-error {
  background: var(--tone-terra-bg);
  border: 1px solid var(--tone-terra-line);
  color: #E58985;
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 12.5px;
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 36px;
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--line-subtle);
  background: var(--bg-elevated);
  color: var(--ink-primary);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.18s var(--ease-out), border-color 0.18s var(--ease-out), transform 0.18s var(--ease-out);
}

.btn:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--line-strong);
}

.btn:active:not(:disabled) {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-ivory);
  border-color: var(--accent-ivory);
  color: var(--ink-on-ivory);
  font-weight: 700;
}

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

.btn-sage {
  background: var(--tone-sage-bg);
  border-color: var(--tone-sage-line);
  color: #8FC29D;
}

.btn-sage:hover:not(:disabled) {
  background: rgba(108, 160, 122, 0.20);
  border-color: var(--tone-sage);
}

.btn-amber {
  background: var(--tone-amber-bg);
  border-color: var(--tone-amber-line);
  color: #E7B263;
}

.btn-amber:hover:not(:disabled) {
  background: rgba(212, 148, 58, 0.22);
  border-color: var(--tone-amber);
}

.btn-full {
  width: 100%;
  height: 40px;
}

.btn-sm {
  height: 31px;
  padding: 0 11px;
  font-size: 12px;
}

.icon-svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* Main Shell */
.shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 24px 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-subtle);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Status Pills */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 9px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--line-subtle);
  background: var(--bg-elevated);
  color: var(--ink-secondary);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-muted);
}

.pill-live {
  background: var(--tone-sage-bg);
  border-color: var(--tone-sage-line);
  color: #8FC29D;
}

.pill-live .pill-dot {
  background: var(--tone-sage);
}

.pill-pending {
  background: var(--tone-amber-bg);
  border-color: var(--tone-amber-line);
  color: #E7B263;
}

.pill-pending .pill-dot {
  background: var(--tone-amber);
}

.pill-conflict {
  background: var(--tone-terra-bg);
  border-color: var(--tone-terra-line);
  color: #E58985;
}

.pill-conflict .pill-dot {
  background: var(--tone-terra);
}

.tag {
  display: inline-flex;
  align-items: center;
  height: 21px;
  padding: 0 7px;
  border-radius: 5px;
  background: var(--bg-canvas);
  border: 1px solid var(--line-subtle);
  color: var(--ink-secondary);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
}

/* Metrics Row */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--line-subtle);
  border-radius: 11px;
  padding: 15px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.metric-label {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.metric-value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
}

.metric-value.tone-amber {
  color: var(--tone-amber);
}

.metric-value.tone-sage {
  color: var(--tone-sage);
}

/* Content Grid */
.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.panel {
  background: var(--bg-surface);
  border: 1px solid var(--line-subtle);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

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

.panel-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-primary);
}

/* Staged Rollouts List */
.stack-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.rollout-item {
  background: var(--bg-elevated);
  border: 1px solid var(--line-subtle);
  border-radius: 9px;
  padding: 13px 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  transition: border-color 0.18s var(--ease-out);
}

.rollout-item:hover {
  border-color: var(--line-strong);
}

.rollout-main {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 210px;
  flex: 1;
}

.rollout-head {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.rollout-name {
  font-weight: 700;
  font-size: 13.5px;
  color: var(--ink-primary);
}

.rollout-summary {
  font-size: 12.5px;
  color: var(--ink-secondary);
}

/* Active Agents */
.agent-card {
  background: var(--bg-elevated);
  border: 1px solid var(--line-subtle);
  border-radius: 9px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.agent-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.agent-id {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-ivory);
}

.agent-age {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}

.agent-task {
  font-size: 12.5px;
  color: var(--ink-primary);
  line-height: 1.4;
}

.agent-mods {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* Filter Bar & Systems Grid */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-chip {
  height: 27px;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid var(--line-subtle);
  background: var(--bg-canvas);
  color: var(--ink-secondary);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s var(--ease-out);
}

.filter-chip:hover {
  color: var(--ink-primary);
  border-color: var(--line-strong);
}

.filter-chip.active {
  background: var(--accent-ivory);
  border-color: var(--accent-ivory);
  color: var(--ink-on-ivory);
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
  gap: 9px;
}

.system-row {
  background: var(--bg-elevated);
  border: 1px solid var(--line-subtle);
  border-radius: 9px;
  padding: 11px 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.system-meta {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.system-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.system-sub {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* History Rows */
.history-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 13px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--line-subtle);
  flex-wrap: wrap;
}

.history-left {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  min-width: 0;
  flex: 1;
}

.history-title {
  font-weight: 600;
  font-size: 12.5px;
  color: var(--ink-primary);
}

.history-summary {
  font-size: 12.5px;
  color: var(--ink-secondary);
}

.history-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-muted);
}

.empty-box {
  padding: 16px 14px;
  border-radius: 8px;
  border: 1px dashed var(--line-subtle);
  color: var(--ink-muted);
  font-size: 12.5px;
  text-align: center;
}

/* Toast */
.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  background: var(--bg-elevated);
  border: 1px solid var(--line-strong);
  color: var(--ink-primary);
  padding: 11px 16px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  z-index: 100;
  transition: opacity 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

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

.spin {
  animation: spin 0.9s linear infinite;
}

@media (max-width: 960px) {
  .workspace-grid {
    grid-template-columns: 1fr;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .shell {
    padding: 16px 14px 36px;
    gap: 18px;
  }
  .topbar-actions {
    width: 100%;
  }
  .topbar-actions .btn {
    flex: 1;
  }
}