:root,
[data-theme="dark"] {
  --bg: #090d16;
  --bg-subtle: #0f1624;
  --surface: #131c2e;
  --surface-elevated: #1a263d;
  --border: #263552;
  --border-subtle: #1e293b;
  --text: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #8b9bb4;
  --accent: #f6821f;
  --accent-hover: #ea580c;
  --accent-soft: rgba(246, 130, 31, 0.14);
  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.12);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, 0.12);
  --shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.45);
}

[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-subtle: #eaf0f8;
  --surface: #ffffff;
  --surface-elevated: #f8fafc;
  --border: #d8e1ee;
  --border-subtle: #e2e8f0;
  --text: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --accent: #ea580c;
  --accent-hover: #c2410c;
  --accent-soft: rgba(234, 88, 12, 0.1);
  --success: #059669;
  --success-soft: rgba(5, 150, 105, 0.08);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.08);
  --shadow: 0 10px 28px -8px rgba(15, 23, 42, 0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* Top Bar */
.topbar {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

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

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(246, 130, 31, 0.3);
}

.brand-text {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
}

.brand-domain {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-divider {
  color: var(--text-muted);
}

.brand-title {
  color: var(--text-secondary);
  font-weight: 500;
}

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

.service-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #f59e0b;
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 0 3px var(--success-soft);
}

.theme-btn {
  cursor: pointer;
  background: var(--surface-elevated);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  transition: border-color 0.15s ease;
}

.theme-btn:hover {
  border-color: var(--accent);
}

/* Main Shell */
.shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* Scenario Selector */
.scenario-bar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

.scenario-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

@media (max-width: 860px) {
  .scenario-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .scenario-tabs {
    grid-template-columns: 1fr;
  }
}

.scenario-tab {
  cursor: pointer;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.15s ease;
}

.scenario-tab:hover {
  border-color: var(--accent);
}

.scenario-tab.active {
  background: var(--surface-elevated);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.tab-title {
  font-size: 14px;
  font-weight: 700;
}

.scenario-tab.active .tab-title {
  color: var(--accent);
}

.tab-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* Workspace Grid */
.workspace {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 920px) {
  .workspace {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.panel-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.eyebrow {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.panel-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.panel-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

/* Auth Form */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 14px;
  border-radius: 10px;
  font-size: 14px;
  transition: border-color 0.15s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.turnstile-box {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 108px;
  gap: 10px;
}

.widget-hint {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 4px;
}

.btn {
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  flex: 1;
}

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

.btn-ghost {
  background: var(--surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled) {
  border-color: var(--text-muted);
  color: var(--text);
}

.btn-outline-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
  padding: 9px 14px;
  font-size: 13px;
  white-space: nowrap;
}

.btn-outline-danger:hover:not(:disabled) {
  background: var(--danger);
  color: #ffffff;
}

/* Progress Steps */
.steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

@media (max-width: 540px) {
  .steps-row {
    grid-template-columns: 1fr;
  }
}

.step-card {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.step-index {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-name {
  font-size: 13px;
  font-weight: 600;
}

.step-state {
  font-size: 11px;
  color: var(--text-muted);
}

.step-card.done {
  border-color: var(--success);
  background: var(--success-soft);
}

.step-card.done .step-index {
  background: var(--success);
  border-color: var(--success);
  color: #ffffff;
}

.step-card.done .step-state {
  color: var(--success);
  font-weight: 600;
}

.step-card.failed {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.step-card.failed .step-index {
  background: var(--danger);
  border-color: var(--danger);
  color: #ffffff;
}

.step-card.failed .step-state {
  color: var(--danger);
  font-weight: 600;
}

/* Outcome Card */
.outcome-card {
  border-radius: 12px;
  padding: 20px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.outcome-card.success {
  border-color: var(--success);
  background: var(--success-soft);
}

.outcome-card.error {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.outcome-badge {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.outcome-card.success .outcome-badge {
  background: var(--success);
  color: #ffffff;
  border-color: var(--success);
}

.outcome-card.error .outcome-badge {
  background: var(--danger);
  color: #ffffff;
  border-color: var(--danger);
}

.outcome-heading {
  font-size: 17px;
  font-weight: 700;
}

.outcome-body {
  font-size: 13.5px;
  color: var(--text-secondary);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding-top: 6px;
}

.metric-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-label {
  font-size: 11px;
  color: var(--text-muted);
}

.metric-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.replay-box {
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

@media (max-width: 560px) {
  .replay-box {
    flex-direction: column;
    align-items: stretch;
  }
}

.replay-copy strong {
  font-size: 13px;
  display: block;
}

.replay-copy p {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Platforms Summary */
.platforms-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.platforms-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.platform-item {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.platform-item strong {
  font-size: 13px;
}

.platform-item span {
  font-size: 12px;
  color: var(--text-muted);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11.5px;
  color: var(--accent);
}

/* Technical Drawer */
.tech-drawer {
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.tech-drawer summary {
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  user-select: none;
}

.tech-drawer summary:hover {
  color: var(--text);
}

.tech-drawer-body {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.drawer-controls select {
  background: var(--bg-subtle);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 12px;
}

.code-view {
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11.5px;
  color: var(--text-secondary);
  overflow-x: auto;
  max-height: 240px;
  white-space: pre-wrap;
  word-break: break-word;
}