/* Design tokens */
:root {
  --state-pending:          #94a3b8;
  --state-queued:           #60a5fa;
  --state-running:          #f59e0b;
  --state-completed:        #34d399;
  --state-failed:           #f87171;
  --state-timed-out:        #c084fc;
  --state-cancelled:        #9ca3af;
  --state-budget-exceeded:  #fb923c;

  --bg:          #0f172a;
  --surface:     #1e293b;
  --border:      #334155;
  --text:        #e2e8f0;
  --text-muted:  #94a3b8;
  --accent:      #38bdf8;
}

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

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
}

/* Header */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 100%;
}

header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
  max-width: 640px;
  margin: 0 auto 0 0;
  flex: 1;
}

/* Tab bar */
.tab-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 0;
  padding: 0 1rem;
  max-width: 100%;
}

.tab {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.65em 1.25em;
  border: none;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  margin-bottom: -1px;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Main layout */
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem;
}

/* Panel header */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.panel-header h2 {
  font-size: 1rem;
  font-weight: 700;
}

/* Task list toolbar */
.task-list-toolbar {
  display: flex;
  align-items: center;
  padding: 0.5rem 0;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

/* Task list */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

#loading {
  color: var(--text-muted);
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
}

/* Task card */
.task-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.task-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.task-name {
  font-weight: 600;
  font-size: 0.95rem;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* State badge */
.state-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.2em 0.55em;
  border-radius: 999px;
  color: #0f172a;
  white-space: nowrap;
  flex-shrink: 0;
}

.state-badge[data-state="PENDING"]          { background: var(--state-pending); }
.state-badge[data-state="QUEUED"]           { background: var(--state-queued); }
.state-badge[data-state="RUNNING"]          { background: var(--state-running); }
.state-badge[data-state="COMPLETED"]        { background: var(--state-completed); }
.state-badge[data-state="FAILED"]           { background: var(--state-failed); }
.state-badge[data-state="TIMED_OUT"]        { background: var(--state-timed-out); }
.state-badge[data-state="CANCELLED"]        { background: var(--state-cancelled); }
.state-badge[data-state="BUDGET_EXCEEDED"]  { background: var(--state-budget-exceeded); }

/* Task meta */
.task-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.task-description {
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Run button */
.task-card-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
  flex-wrap: wrap;
}

.btn-run {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35em 0.85em;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  background: var(--accent);
  color: #0f172a;
  transition: opacity 0.15s;
}

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

.btn-cancel {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35em 0.85em;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  background: var(--state-failed);
  color: #fff;
  transition: opacity 0.15s;
}

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

.btn-restart {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35em 0.85em;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  background: var(--text-muted);
  color: #0f172a;
  transition: opacity 0.15s;
}

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

.btn-accept {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35em 0.85em;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  background: var(--state-completed);
  color: #0f172a;
  transition: opacity 0.15s;
}

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

.btn-reject {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35em 0.85em;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  background: var(--text-muted);
  color: #0f172a;
  transition: opacity 0.15s;
  margin-left: 0.375rem;
}

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

.task-error {
  font-size: 0.78rem;
  color: var(--state-failed);
}

.hidden-tasks-info {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-align: center;
  padding: 0.5rem 0;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
}

.hidden-tasks-info:hover {
  color: var(--text);
}

.hidden-tasks-fold {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  opacity: 0.6;
  margin-top: 0.5rem;
}

/* Primary button */
.btn-primary {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4em 1em;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  background: #2563eb;
  color: #fff;
  transition: opacity 0.15s;
}

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

/* Secondary button */
.btn-secondary {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4em 1em;
  border-radius: 0.375rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.btn-secondary:hover {
  background: var(--border);
  color: var(--text);
}

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

/* Danger button */
.btn-danger {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4em 1em;
  border-radius: 0.375rem;
  border: none;
  cursor: pointer;
  background: var(--state-failed);
  color: #0f172a;
  transition: opacity 0.15s;
}

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

.btn-sm {
  font-size: 0.78rem;
  padding: 0.3em 0.75em;
}

/* Modal dialog */
dialog {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  max-width: 480px;
  width: 100%;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.6);
}

dialog h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Form labels and inputs */
dialog label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

dialog label input,
dialog label textarea,
dialog label select {
  display: block;
  width: 100%;
  margin-top: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  color: var(--text);
  padding: 0.4em 0.6em;
  font-size: 0.9rem;
  font-family: inherit;
}

dialog label input:focus,
dialog label textarea:focus,
dialog label select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

/* Form actions row */
.form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
}

.form-actions button[type="button"] {
  font-size: 0.85rem;
  padding: 0.4em 1em;
  border-radius: 0.375rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
}

.form-actions button[type="button"]:hover {
  background: var(--border);
  color: var(--text);
}

/* Inline form error */
.form-error {
  color: var(--state-failed);
  font-size: 0.82rem;
  margin-top: 8px;
}

/* Template list */
.template-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Template card */
.template-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 0.875rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.template-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.template-description {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.template-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.125rem;
}

.tag-chip {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2em 0.55em;
  border-radius: 999px;
  background: var(--border);
  color: var(--text-muted);
}

.template-card-footer {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

/* ── Side panel ───────────────────────────────────────────────────────────── */

.panel-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 20;
}

.task-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(480px, 100vw);
  height: 100dvh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  z-index: 30;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.task-panel.open {
  transform: translateX(0);
}

.task-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.task-panel-header h2 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-close-panel {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.3rem;
  line-height: 1;
  padding: 0.15em 0.35em;
  margin-left: 0.5rem;
  border-radius: 0.25rem;
  flex-shrink: 0;
}

.btn-close-panel:hover {
  color: var(--text);
  background: var(--border);
}

.task-panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
}

/* Panel sections */
.panel-section {
  margin-bottom: 1.5rem;
}

.panel-section:last-child {
  margin-bottom: 0;
}

.panel-section-title {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.625rem;
  padding-bottom: 0.375rem;
  border-bottom: 1px solid var(--border);
}

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

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

.meta-item.full-width {
  grid-column: 1 / -1;
}

.meta-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.meta-value {
  font-size: 0.875rem;
  word-break: break-all;
}

.meta-value.mono {
  font-family: monospace;
  font-size: 0.8rem;
}

.meta-value.muted {
  color: var(--text-muted);
}

.panel-code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  padding: 0.625rem 0.75rem;
  font-family: monospace;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
  max-height: 220px;
  overflow-y: auto;
  margin-top: 0.25rem;
}

.panel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.1rem;
}

/* Clickable task cards */
.task-card {
  cursor: pointer;
}

.task-card:hover {
  border-color: var(--accent);
}

/* Panel loading / error */
.panel-loading {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 2rem 0;
  text-align: center;
}

.panel-fetch-error {
  color: var(--state-failed);
  font-size: 0.85rem;
  padding: 1rem 0;
}

/* Executions list in panel */
.executions-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.execution-row {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  padding: 0.625rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem 0.75rem;
  flex-wrap: wrap;
}

.execution-id {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.execution-times {
  font-size: 0.75rem;
  color: var(--text-muted);
  flex: 1;
  min-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.execution-cost {
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.execution-exit {
  font-family: monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.btn-view-logs {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2em 0.55em;
  border-radius: 0.25rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}

.btn-view-logs:hover {
  background: var(--border);
  color: var(--text);
}

/* Execution logs modal */
.logs-modal-body {
  display: flex;
  flex-direction: column;
}

.logs-modal-body .meta-grid {
  row-gap: 0.625rem;
}

/* ── Question banner ───────────────────────────────────────────────────────── */

.question-banner {
  margin-top: 0.75rem;
  padding: 0.75rem;
  background: #1e293b;
  border: 1px solid #f59e0b;
  border-radius: 0.5rem;
}

.question-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.question-text {
  font-weight: 600;
  color: #f59e0b;
  font-size: 0.9rem;
}

.question-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.btn-question-option {
  padding: 0.375rem 0.75rem;
  border: 1px solid #475569;
  border-radius: 0.375rem;
  background: #334155;
  color: #e2e8f0;
  cursor: pointer;
  font-size: 0.8rem;
  transition: background 0.15s, border-color 0.15s;
}

.btn-question-option:hover:not(:disabled) {
  background: #475569;
  border-color: #f59e0b;
}

.btn-question-option:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.question-input-row {
  display: flex;
  gap: 0.375rem;
}

.question-input {
  flex: 1;
  padding: 0.375rem 0.5rem;
  border: 1px solid #475569;
  border-radius: 0.375rem;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 0.8rem;
}

.question-input:focus {
  outline: none;
  border-color: #f59e0b;
}

.btn-question-send {
  padding: 0.375rem 0.75rem;
  border: 1px solid #f59e0b;
  border-radius: 0.375rem;
  background: #f59e0b;
  color: #0f172a;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.8rem;
}

.btn-question-send:hover:not(:disabled) {
  background: #fbbf24;
}

.btn-question-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.question-error {
  color: #f87171;
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

/* ── Log Viewer ──────────────────────────────────────────────────────────── */

.log-viewer {
  width: 100%;
  padding: 0;
}

.log-back-btn {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.3em 0.75em;
  border-radius: 0.375rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  margin-bottom: 1rem;
  display: inline-flex;
  align-items: center;
}

.log-back-btn:hover {
  background: var(--border);
  color: var(--text);
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

.log-status-indicator {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.log-status-indicator::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--state-running);
  flex-shrink: 0;
  animation: pulse-dot 1.4s ease-in-out infinite;
}

.log-output {
  font-family: monospace;
  font-size: 0.8rem;
  overflow-y: auto;
  max-height: 400px;
  background: var(--bg);
  padding: 0.625rem 0.75rem;
  border-radius: 0.375rem;
  border: 1px solid var(--border);
}

.log-line {
  padding: 2px 0;
  line-height: 1.5;
}

.log-text {
  color: var(--text);
}

.log-tool-use {
  background: rgba(56, 189, 248, 0.1);
  padding: 4px 8px;
  border-radius: 3px;
  margin: 2px 0;
}

.tool-name {
  color: var(--accent);
  font-weight: bold;
  margin-right: 6px;
}

.log-tool-result {
  color: var(--text-muted);
  opacity: 0.6;
}

.log-cost {
  color: var(--state-running);
  font-weight: bold;
  margin-top: 8px;
}

/* ── Validate section ────────────────────────────────────────────────────── */

.validate-section {
  margin-top: 8px;
}

#validate-result {
  border-left: 3px solid transparent;
  padding: 8px 12px;
  margin-top: 8px;
  font-size: 0.85rem;
}

#validate-result[data-clarity="clear"] {
  border-color: var(--state-completed);
}

#validate-result[data-clarity="ambiguous"] {
  border-color: var(--state-running);
}

#validate-result[data-clarity="unclear"] {
  border-color: var(--state-failed);
}

.validate-blocking {
  color: var(--state-failed);
}

.validate-minor {
  color: var(--state-running);
}

.validate-suggestion {
  color: #94a3b8;
}