/* ==========================================================================
   AI Team Control Center — Stylesheet
   Navy / Teal Palette — Clean, Accessible, Responsive Layout
   ========================================================================== */

:root {
  /* Navy Tones */
  --navy-950: #060c18;
  --navy-900: #0f172a;
  --navy-850: #131f38;
  --navy-800: #1e293b;
  --navy-700: #334155;
  --navy-600: #475569;

  /* Teal Accent Tones */
  --teal-900: #134e4a;
  --teal-800: #115e59;
  --teal-700: #0f766e;
  --teal-600: #0d9488;
  --teal-500: #14b8a6;
  --teal-400: #2dd4bf;
  --teal-100: #ccfbf1;
  --teal-50:  #f0fdfa;

  /* Neutrals & Surfaces */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-subtle: #f1f5f9;
  --border-subtle: #e2e8f0;
  --border-strong: #cbd5e1;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-light: #ffffff;

  /* Semantic Alerts */
  --amber-700: #b45309;
  --amber-600: #d97706;
  --amber-100: #fef3c7;
  --amber-50:  #fffbeb;

  --red-700: #b91c1c;
  --red-600: #dc2626;
  --red-100: #fee2e2;
  --red-50:  #fef2f2;

  --blue-700: #1d4ed8;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;

  --purple-700: #6b21a8;
  --purple-100: #f3e8ff;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* Layout */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
}

/* Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Accessibility: Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus Management */
:focus-visible {
  outline: 2px solid var(--teal-600);
  outline-offset: 2px;
}

/* Monospace helper */
.mono {
  font-family: var(--font-mono);
}

/* Utility Hidden */
.hidden {
  display: none !important;
}

/* ==========================================================================
   Simulation Banner
   ========================================================================== */
.simulation-banner {
  background-color: var(--navy-900);
  color: var(--text-light);
  border-bottom: 3px solid var(--teal-600);
  padding: 0.85rem 1.5rem;
}

.banner-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.banner-badge {
  background-color: var(--amber-600);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  flex-shrink: 0;
}

.banner-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
}

.banner-desc {
  font-size: 0.85rem;
  color: var(--border-strong);
}

/* ==========================================================================
   Session Banner
   ========================================================================== */
.session-banner {
  background-color: var(--navy-800);
  color: #ffffff;
  padding: 0.65rem 1.5rem;
  border-bottom: 1px solid var(--navy-700);
}

.session-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.875rem;
}

.session-pill {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  letter-spacing: 0.05em;
}

.session-pending {
  background-color: var(--navy-700);
  color: var(--border-strong);
}

.session-active {
  background-color: var(--teal-700);
  color: var(--teal-50);
}

.session-unauth {
  background-color: var(--red-700);
  color: #ffffff;
}

.session-guidance {
  max-width: 1400px;
  margin: 0.5rem auto 0;
  padding: 0.65rem 0.85rem;
  background-color: rgba(220, 38, 38, 0.2);
  border: 1px solid rgba(220, 38, 38, 0.4);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: #fee2e2;
}

.session-guidance code {
  background-color: rgba(0, 0, 0, 0.3);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

/* ==========================================================================
   Main Layout: Two Columns Desktop, Single Column Mobile
   ========================================================================== */
.main-layout {
  max-width: 1400px;
  width: 100%;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
  flex: 1;

  display: grid;
  grid-template-columns: minmax(380px, 460px) 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 960px) {
  .main-layout {
    grid-template-columns: 1fr;
    margin: 1rem auto;
    padding: 0 1rem;
  }
}

/* Panels */
.panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
}

.panel-header {
  margin-bottom: 1.25rem;
}

.panel-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy-900);
}

.panel-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--navy-800);
}

.panel-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

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

/* ==========================================================================
   Form Components
   ========================================================================== */
.form-group {
  margin-bottom: 1.2rem;
}

.label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.35rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-800);
  margin-bottom: 0.35rem;
}

.required {
  color: var(--red-600);
}

.char-counter {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.form-select,
.form-textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-main);
  background-color: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 0.6rem 0.75rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-select:focus,
.form-textarea:focus {
  border-color: var(--teal-600);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
  outline: none;
}

.form-textarea {
  resize: vertical;
  line-height: 1.4;
}

.field-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
}

.form-actions {
  margin-top: 1.5rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background-color: var(--teal-700);
  color: #ffffff;
  border-color: var(--teal-700);
  width: 100%;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--teal-800);
  border-color: var(--teal-800);
}

.btn-action {
  background-color: var(--navy-800);
  color: #ffffff;
  border-color: var(--navy-800);
}

.btn-action:hover:not(:disabled) {
  background-color: var(--navy-900);
  border-color: var(--navy-900);
}

.btn-secondary {
  background-color: var(--bg-subtle);
  color: var(--navy-800);
  border-color: var(--border-strong);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--border-subtle);
  color: var(--navy-900);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}

.alert-error {
  background-color: var(--red-50);
  border: 1px solid var(--red-100);
  color: var(--red-700);
}

.alert-warning {
  background-color: var(--amber-50);
  border: 1px solid var(--amber-100);
  color: var(--amber-700);
}

.alert-info {
  background-color: var(--blue-50);
  border: 1px solid var(--blue-100);
  color: var(--blue-700);
}

.alert-success {
  background-color: var(--teal-50);
  border: 1px solid var(--teal-100);
  color: var(--teal-700);
}

/* ==========================================================================
   Workspace & Subpanels
   ========================================================================== */
.workspace-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
}

.subpanel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
}

/* Task History List */
.task-history-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-height: 280px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.task-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  cursor: pointer;
  transition: all 0.15s ease;
}

.task-item:hover {
  background-color: var(--bg-subtle);
  border-color: var(--border-strong);
}

.task-item.selected {
  border-color: var(--teal-600);
  background-color: var(--teal-50);
  box-shadow: inset 3px 0 0 var(--teal-600);
}

.task-item-main {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.task-item-id {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--navy-900);
}

.task-item-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.task-item-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
}

.task-item-attempts {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.empty-state {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
  padding: 2rem 1rem;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-strong);
}

/* ==========================================================================
   Status Badges
   ========================================================================== */
.status-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
}

.status-awaiting-approval {
  background-color: var(--amber-100);
  color: var(--amber-700);
  border: 1px solid rgba(217, 119, 6, 0.3);
}

.status-running {
  background-color: var(--teal-100);
  color: var(--teal-800);
  border: 1px solid rgba(13, 148, 136, 0.3);
}

.status-succeeded {
  background-color: #dcfce7;
  color: #15803d;
  border: 1px solid rgba(21, 128, 61, 0.3);
}

.status-escalated {
  background-color: var(--purple-100);
  color: var(--purple-700);
  border: 1px solid rgba(107, 33, 168, 0.3);
}

.status-interrupted {
  background-color: var(--bg-subtle);
  color: var(--navy-700);
  border: 1px solid var(--border-strong);
}

.status-failed {
  background-color: var(--red-100);
  color: var(--red-700);
  border: 1px solid rgba(185, 28, 28, 0.3);
}

.status-needs-recovery {
  background-color: var(--amber-100);
  color: var(--amber-700);
  border: 1px solid var(--amber-600);
}

.task-id-badge {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.badge-plain {
  font-size: 0.75rem;
  background-color: var(--bg-subtle);
  color: var(--navy-700);
  border: 1px solid var(--border-strong);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Details Subpanel
   ========================================================================== */
.metadata-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.meta-value {
  font-size: 0.875rem;
  color: var(--navy-900);
  font-weight: 500;
}

.detail-message-container {
  margin-bottom: 1.25rem;
  padding: 0.75rem 1rem;
  background-color: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.detail-message-text {
  font-size: 0.875rem;
  color: var(--navy-800);
  margin-top: 0.2rem;
}

.spec-display {
  margin-bottom: 1.25rem;
}

.spec-display h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--navy-700);
  margin-top: 1rem;
  margin-bottom: 0.4rem;
}

.spec-objective-text {
  font-size: 0.9rem;
  background-color: var(--bg-subtle);
  border-left: 3px solid var(--teal-600);
  padding: 0.65rem 0.85rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.criteria-ordered-list {
  padding-left: 1.25rem;
  font-size: 0.875rem;
}

.criteria-ordered-list li {
  margin-bottom: 0.35rem;
  padding-left: 0.25rem;
}

/* Actions Toolbar */
.actions-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

/* Manual Copy Fallback */
.manual-copy-container {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.manual-copy-label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.manual-copy-textarea {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.5rem;
  background-color: #ffffff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  resize: vertical;
}

/* Report Section */
.report-container {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

.report-header {
  margin-bottom: 0.5rem;
}

.report-header h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy-800);
}

.report-box {
  background-color: var(--navy-950);
  color: #f1f5f9;
  font-family: var(--font-mono);
  font-size: 0.825rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow-y: auto;
  border: 1px solid var(--navy-800);
}

/* Timeline */
.timeline-container {
  margin-top: 1.5rem;
}

.timeline-container h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--navy-800);
  margin-bottom: 0.75rem;
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-size: 0.825rem;
}

.timeline-seq {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--teal-700);
  background-color: var(--teal-50);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--teal-100);
  flex-shrink: 0;
}

.timeline-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
}

.timeline-meta-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.timeline-kind-badge {
  background-color: var(--navy-700);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.timeline-message {
  color: var(--navy-900);
  line-height: 1.35;
  word-break: break-word;
}

/* ==========================================================================
   Phase 4B: Live Monitoring, New Controls, Empty State, and Error Highlights
   ========================================================================== */
.monitoring-panel {
  margin: 1.25rem 0;
  padding: 1.15rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--teal-600);
}

.monitoring-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.monitoring-status-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.monitoring-state-text {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy-900);
}

.terminal-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  background-color: var(--navy-800);
  color: #ffffff;
}

.monitoring-activity-row {
  margin-bottom: 0.85rem;
}

.monitoring-activity-text {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy-900);
  margin-top: 0.2rem;
  line-height: 1.35;
}

.monitoring-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-strong);
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.metric-value {
  font-size: 0.825rem;
  color: var(--navy-900);
  font-weight: 500;
}

.btn-danger-outline {
  background-color: transparent;
  color: var(--red-700);
  border-color: var(--red-600);
}

.btn-danger-outline:hover:not(:disabled) {
  background-color: var(--red-50);
  color: var(--red-700);
}

.timeline-item-error {
  border-left: 3px solid var(--red-600);
  background-color: var(--red-50);
}

.timeline-kind-error {
  background-color: var(--red-700) !important;
  color: #ffffff !important;
}

.empty-state-rich {
  padding: 1.5rem;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-strong);
}

.empty-state-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--navy-900);
  margin-bottom: 0.35rem;
}

.empty-state-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.empty-state-steps {
  padding-left: 1.25rem;
  font-size: 0.825rem;
  color: var(--navy-800);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.empty-state-steps li {
  margin-bottom: 0.25rem;
}

.empty-state-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.app-footer {
  text-align: center;
  padding: 1.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  margin-top: auto;
}