:root {
  --bg-main: #0a0c10;
  --bg-panel: #101217;
  --bg-card: #14171f;
  --bg-card-inner: #0b0d12;
  --bg-hover: #1b1f29;
  
  --border: #212631;
  --border-focus: #38bdf8;
  
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  
  --accent-cyan: #38bdf8;
  --accent-green: #34d399;
  --accent-yellow: #fbbf24;
  --accent-red: #f87171;
  --accent-purple: #c084fc;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'JetBrains Mono', -apple-system, BlinkMacSystemFont, monospace;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-color: var(--bg-main);
}

/* Header */
.app-header {
  height: 52px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--bg-panel);
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-name {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.host-tag {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--accent-cyan);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
}

.status-indicator.connected .status-dot {
  background: var(--accent-green);
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.4);
}

.status-indicator.speaking .status-dot {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(56, 189, 248, 0.4);
}

.status-indicator.listening .status-dot {
  background: var(--accent-purple);
  box-shadow: 0 0 8px rgba(192, 132, 252, 0.4);
}

.status-indicator.tool_call .status-dot {
  background: var(--accent-yellow);
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.4);
}

.status-indicator.interrupted .status-dot {
  background: var(--accent-red);
}

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

.config-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
}

.config-label {
  color: var(--text-muted);
}

.config-val {
  color: var(--text-secondary);
}

.config-val.highlight {
  color: var(--accent-cyan);
  font-weight: 600;
}

.config-select {
  background: transparent;
  color: var(--accent-cyan);
  border: none;
  outline: none;
  font-size: 11px;
  cursor: pointer;
}

.config-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Main Layout */
.main-content {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* Left: Voice Stage / Monitor */
.voice-stage {
  flex: 0.9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 30px;
  border-right: 1px solid var(--border);
  background: var(--bg-main);
}

.monitor-box {
  width: 100%;
  max-width: 380px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.canvas-wrapper {
  width: 100%;
  height: 140px;
  background: var(--bg-card-inner);
  border: 1px solid var(--border);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#visualizerCanvas {
  width: 100%;
  height: 100%;
}

.monitor-state {
  text-align: center;
}

.state-headline {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

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

/* Controls Bar */
.controls-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 380px;
}

.btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: all 0.15s ease;
  outline: none;
}

.btn-primary {
  background: var(--accent-cyan);
  color: #05070a;
  border-color: var(--accent-cyan);
}

.btn-primary:hover:not(:disabled) {
  background: #7dd3fc;
  border-color: #7dd3fc;
}

.btn-primary.active {
  background: var(--accent-red);
  color: #fff;
  border-color: var(--accent-red);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
}

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

.btn-secondary.active {
  background: var(--accent-yellow);
  color: #05070a;
  border-color: var(--accent-yellow);
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn-tiny {
  background: var(--bg-card);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 11px;
  cursor: pointer;
}

.btn-tiny:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

/* Session Meta Box */
.session-meta {
  width: 100%;
  max-width: 380px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
}

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

.meta-val {
  color: var(--text-secondary);
}

/* Right: Activity Terminal Screen */
.chat-screen {
  flex: 1.4;
  display: flex;
  flex-direction: column;
  background: var(--bg-card-inner);
  overflow: hidden;
}

.chat-header {
  height: 52px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  background: var(--bg-panel);
}

.chat-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.terminal-prompt {
  color: var(--accent-green);
  font-weight: 700;
}

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

.feed-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.chat-messages::-webkit-scrollbar {
  width: 5px;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.empty-state {
  margin: auto;
  text-align: center;
  max-width: 440px;
  padding: 30px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: var(--bg-panel);
}

.empty-prompt {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.empty-hint {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Feed Cards */
.feed-card {
  width: 100%;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  animation: fadeIn 0.2s ease;
}

.feed-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
}

.feed-card-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--text-primary);
}

.tag-status {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  background: var(--bg-card-inner);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.tag-status.running {
  color: var(--accent-yellow);
  border-color: var(--accent-yellow);
}

.tag-status.done {
  color: var(--accent-green);
  border-color: var(--accent-green);
}

.tag-status.error {
  color: var(--accent-red);
  border-color: var(--accent-red);
}

.feed-card-body {
  padding: 12px;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-card-inner);
}

.feed-card-body.prompt {
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}

.feed-card-body.output {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  max-height: 320px;
  overflow-y: auto;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  overscroll-behavior: contain;
  user-select: text;
  cursor: text;
  padding: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.feed-card-body.output::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.feed-card-body.output::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.feed-card-body.output::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Antigravity Step Feed */
.agy-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
}

.agy-step {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 11px;
}

.agy-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.agy-tool-name {
  font-weight: 600;
  color: var(--accent-cyan);
}

.agy-tool-target {
  color: var(--accent-yellow);
  margin-left: 6px;
  word-break: break-all;
}

.agy-step-dur {
  font-size: 10px;
  color: var(--text-muted);
}

.agy-step-output {
  margin-top: 6px;
  padding: 8px 10px;
  background: var(--bg-card-inner);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  max-height: 280px;
  overflow-y: auto;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  overscroll-behavior: contain;
  user-select: text;
  cursor: text;
}

.agy-step-output::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.agy-step-output::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.agy-step-output::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

.agy-stream-text {
  padding: 10px 12px;
  color: var(--text-primary);
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 320px;
  overflow-y: auto;
  overflow-x: auto;
  overscroll-behavior: contain;
  user-select: text;
  cursor: text;
  border-top: 1px solid var(--border);
  background: var(--bg-card-inner);
}

.agy-stream-text::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.agy-stream-text::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.agy-stream-text::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Transcript Bubble */
.msg-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.msg-row.model {
  align-self: flex-start;
  max-width: 90%;
}

.msg-row.user {
  align-self: flex-end;
  max-width: 90%;
}

.msg-bubble {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 12px;
  line-height: 1.5;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  color: var(--text-primary);
}

.msg-row.model .msg-bubble {
  border-left: 3px solid var(--accent-cyan);
}

.msg-row.user .msg-bubble {
  border-left: 3px solid var(--accent-green);
}

.msg-label {
  font-size: 10px;
  color: var(--text-muted);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}