/* Crafter CSS variables */
:root {
  --cyan: #06b6d4;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --text-muted: #94a3b8;
  --bg-body: #0a0e17;
  --bg-card: #111827;
}

/* Header controls — model selector */
.header-controls {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
}
.header-controls .model-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.model-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.model-select {
  background: var(--bg-body);
  border: 1px solid var(--border, #1e293b);
  border-radius: 6px;
  color: var(--cyan);
  font-size: 0.8rem;
  padding: 4px 10px;
  cursor: pointer;
  font-family: inherit;
}
.model-select:focus {
  outline: none;
  border-color: var(--cyan);
}
.model-select option {
  background: var(--bg-card);
  color: #e2e8f0;
}

/* TPMN Pipeline visualization */
.tpmn-pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
}
.tpmn-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--bg-body);
  border: 2px solid var(--border);
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 70px;
}
.tpmn-stage:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.2);
}
.tpmn-stage.active {
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
  animation: tpmnPulse 2s ease-in-out infinite;
}
.tpmn-stage.done {
  border-color: var(--green);
  background: rgba(0, 255, 100, 0.05);
}
.tpmn-icon {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cyan);
}
.tpmn-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.tpmn-arrow {
  color: var(--text-muted);
  font-size: 1.2rem;
}
@keyframes tpmnPulse {
  0%, 100% { box-shadow: 0 0 10px rgba(0, 255, 255, 0.3); }
  50% { box-shadow: 0 0 25px rgba(0, 255, 255, 0.6); }
}

/* Pipeline progress bar */
.pipeline-progress {
  display: none;
  padding: 0 20px 8px;
}
.pipeline-progress.active {
  display: block;
}
.pipeline-progress-track {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.pipeline-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), #22d3ee, #06b6d4);
  border-radius: 2px;
  transition: width 0.6s ease;
  position: relative;
}
.pipeline-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
  animation: progressShimmer 1.5s ease infinite;
}
@keyframes progressShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.pipeline-progress-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
  text-align: center;
}

/* Crafter layout: chat left, state right */
.crafter-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 16px;
  min-height: 70vh;
}

/* Chat panel */
.crafter-chat {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 65vh;
}
.chat-welcome {
  color: var(--text-muted);
  padding: 20px;
  text-align: center;
}
.chat-welcome ul {
  list-style: none;
  padding: 0;
  margin-top: 10px;
}
.chat-welcome li {
  padding: 4px 0;
  color: var(--cyan);
  cursor: pointer;
  font-size: 0.9rem;
}
.chat-welcome li:hover {
  text-decoration: underline;
}
.chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
  word-break: break-word;
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--cyan);
  color: #000 !important;
  font-weight: 500;
  border-bottom-right-radius: 4px;
}
.chat-msg.assistant {
  align-self: flex-start;
  background: var(--bg-body);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}
.chat-msg.system {
  align-self: center;
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
  padding: 6px 12px;
}
.chat-msg pre {
  background: rgba(0,0,0,0.3);
  padding: 8px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.82rem;
  margin: 8px 0;
}
.skill-badge {
  display: inline-block;
  background: var(--cyan);
  color: #000;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 6px;
}
.chat-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}
.chat-suggestion {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 10px;
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid rgba(0, 255, 255, 0.3);
  border-radius: 6px;
  color: var(--cyan);
  font-size: 0.8rem;
  cursor: pointer;
}
.chat-suggestion:hover {
  background: rgba(0, 255, 255, 0.2);
}

/* Chat input */
.chat-input-area {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-body);
  transition: border-color 0.2s;
}
.chat-input-area.drag-over {
  border-color: var(--cyan);
  background: rgba(34,211,238,0.05);
}
.input-row {
  display: flex;
  gap: 8px;
}
.file-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.file-chips:empty {
  display: none;
}
.file-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 8px;
  font-size: 0.78rem;
  color: #cbd5e1;
  max-width: 220px;
  margin-bottom: 6px;
}
.file-chip-thumb {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  object-fit: cover;
  background: #1e293b;
}
.file-chip-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1e293b;
  border-radius: 4px;
  font-size: 0.7rem;
  color: #94a3b8;
}
.file-chip-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}
.file-chip-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}
.file-chip-size {
  color: #64748b;
  font-size: 0.7rem;
}
.file-chip-remove {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 1rem;
  padding: 0 2px;
  line-height: 1;
}
.file-chip-remove:hover {
  color: #ef4444;
}
.file-chip-error {
  border-color: #ef4444;
  color: #fca5a5;
}
.chat-input-area textarea {
  flex: 1;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: #e2e8f0 !important;
  padding: 8px 12px;
  font-family: inherit;
  font-size: 0.9rem;
  resize: none;
}
.chat-input-area textarea:focus {
  outline: none;
  border-color: var(--cyan);
}
.btn-send {
  padding: 8px 20px;
  background: var(--cyan);
  color: #000 !important;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
  transition: opacity 0.2s;
}
.btn-send:hover {
  opacity: 0.85;
}
.btn-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.btn-cancel {
  padding: 8px 20px;
  background: #ef4444;
  color: #fff !important;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  font-size: 0.9rem;
  transition: opacity 0.2s;
  animation: cancelPulse 1.5s ease infinite;
}
.btn-cancel:hover {
  opacity: 0.85;
}
@keyframes cancelPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
  50% { box-shadow: 0 0 12px 4px rgba(239,68,68,0.3); }
}

/* State panel */
.crafter-state {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  max-height: 75vh;
}
.state-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.state-section h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin: 0 0 10px 0;
}

/* Alarm counters */
.alarm-counters {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.counter {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 4px;
  background: var(--bg-body);
  border-radius: 8px;
}
.counter-val {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}
.counter-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Work plan list */
.workplan-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.wp-card {
  padding: 8px 10px;
  background: var(--bg-body);
  border-radius: 8px;
  border-left: 3px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s;
}
.wp-card:hover {
  border-left-color: var(--cyan);
}
.wp-card.status-pending { border-left-color: var(--yellow, #ffd700); }
.wp-card.status-in_progress { border-left-color: var(--cyan); }
.wp-card.status-completed { border-left-color: var(--green); }
.wp-id {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cyan);
}
.wp-title {
  font-size: 0.8rem;
  color: var(--text);
  margin: 2px 0;
}
.wp-progress {
  font-size: 0.7rem;
  color: var(--text-muted);
}
.wp-progress-bar {
  height: 4px;
  background: var(--bg-card);
  border-radius: 2px;
  margin-top: 4px;
  overflow: hidden;
}
.wp-progress-fill {
  height: 100%;
  background: var(--green);
  border-radius: 2px;
  transition: width 0.5s ease;
}

/* Skill catalog */
.skill-catalog {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.skill-tag {
  padding: 3px 8px;
  background: var(--bg-body);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
}
.skill-tag:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Execution log */
.exec-log {
  max-height: 200px;
  overflow-y: auto;
}
.log-entry {
  display: flex;
  gap: 6px;
  align-items: baseline;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 0.75rem;
}
.log-skill {
  color: var(--cyan);
  font-weight: 600;
  flex-shrink: 0;
}
.log-summary {
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.log-time {
  color: var(--text-muted);
  flex-shrink: 0;
  font-size: 0.7rem;
}
.log-ok { color: var(--green); }
.log-fail { color: var(--red, #ff4444); }

/* Session list */
.session-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 180px;
  overflow-y: auto;
}
.sess-card {
  display: flex;
  align-items: center;
  padding: 6px 8px;
  background: var(--bg-body);
  border-radius: 6px;
  border-left: 3px solid var(--border);
  cursor: pointer;
  transition: all 0.2s;
}
.sess-card:hover { border-left-color: var(--cyan); }
.sess-card.sess-active {
  border-left-color: var(--cyan);
  background: rgba(0, 255, 255, 0.05);
}
.sess-info { flex: 1; min-width: 0; }
.sess-name {
  font-size: 0.8rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sess-meta {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.sess-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 4px;
  flex-shrink: 0;
}
.sess-delete:hover { color: var(--red, #ff4444); }
.btn-new-sess {
  float: right;
  background: var(--cyan);
  color: #000;
  border: none;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
}
.btn-new-sess:hover { opacity: 0.85; }

/* Slash command autocomplete */
.slash-dropdown {
  position: absolute;
  bottom: 100%;
  left: 12px;
  right: 12px;
  background: var(--bg-card);
  border: 1px solid var(--cyan);
  border-radius: 8px;
  max-height: 240px;
  overflow-y: auto;
  z-index: 100;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
  margin-bottom: 4px;
}
.slash-dropdown.hidden { display: none; }
.slash-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background 0.1s;
}
.slash-item:hover,
.slash-item.active {
  background: rgba(6, 182, 212, 0.15);
}
.slash-cmd {
  font-weight: 600;
  color: var(--cyan);
  font-size: 0.85rem;
  flex-shrink: 0;
}
.slash-desc {
  color: var(--text-muted);
  font-size: 0.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Chain step markers */
.chat-msg.chain-step {
  align-self: center;
  background: transparent;
  border: none;
  color: var(--cyan);
  font-size: 0.75rem;
  padding: 4px 12px;
  opacity: 0.8;
  max-width: 100%;
}
.chat-msg.chain-step strong {
  color: #e2e8f0;
}

/* Clickable links in messages */
.chat-msg a {
  color: var(--cyan);
  text-decoration: none;
}
.chat-msg a:hover {
  text-decoration: underline;
}

.muted { color: var(--text-muted); font-size: 0.85rem; }

/* Typing indicator */
.typing-dots {
  display: inline-flex;
  gap: 4px;
}
.typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  animation: typingBounce 1.4s infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-6px); opacity: 1; }
}

/* Explorer */
.explorer-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 12px;
  min-height: 70vh;
}
.explorer-tree {
  background: var(--bg-card);
  border: 1px solid var(--border, #1e293b);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.explorer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border, #1e293b);
}
.explorer-header h3 {
  margin: 0;
  font-size: 0.85rem;
  color: var(--cyan);
  font-family: monospace;
}
.btn-refresh-tree {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
}
.btn-refresh-tree:hover { color: var(--cyan); }
.file-tree {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
  max-height: 70vh;
}
.tree-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 0.8rem;
  color: var(--text, #e2e8f0);
  transition: background 0.1s;
  font-family: monospace;
}
.tree-item:hover { background: rgba(6, 182, 212, 0.08); }
.tree-item.active { background: rgba(6, 182, 212, 0.15); color: var(--cyan); }
.tree-item.dir { color: var(--cyan); font-weight: 600; }
.tree-icon { flex-shrink: 0; width: 16px; text-align: center; }
.tree-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-size { margin-left: auto; font-size: 0.7rem; color: var(--text-muted); flex-shrink: 0; }
.tree-indent { display: inline-block; }

.explorer-viewer {
  background: var(--bg-card);
  border: 1px solid var(--border, #1e293b);
  border-radius: 10px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.viewer-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border, #1e293b);
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.viewer-path { color: var(--cyan); }
.viewer-size { float: right; color: var(--text-muted); font-size: 0.75rem; }
.viewer-content {
  flex: 1;
  padding: 14px;
  margin: 0;
  overflow: auto;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text, #e2e8f0);
  background: var(--bg-body, #0a0e17);
  max-height: 70vh;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Responsive */
@media (max-width: 900px) {
  .crafter-layout {
    grid-template-columns: 1fr;
  }
  .crafter-state {
    max-height: none;
  }
  .tpmn-pipeline {
    flex-wrap: wrap;
  }
}