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

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #222531;
  --surface-active: #2a2d3a;
  --border: #2e3140;
  --border-light: #3a3d4a;
  --text: #e4e6ed;
  --text-secondary: #8b8fa3;
  --text-muted: #5c5f73;
  --accent: #6c8cff;
  --accent-hover: #8aa4ff;
  --accent-glow: rgba(108, 140, 255, 0.15);
  --green: #34d399;
  --green-dim: rgba(52, 211, 153, 0.15);
  --red: #f87171;
  --red-dim: rgba(248, 113, 113, 0.15);
  --yellow: #fbbf24;
  --yellow-dim: rgba(251, 191, 36, 0.15);
  --blue: #60a5fa;
  --blue-dim: rgba(96, 165, 250, 0.15);
  --radius: 8px;
  --radius-lg: 12px;
  --font: 'Noto Sans KR', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
  --transition: 0.2s ease;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
}

html { font-size: 14px; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  max-width: 100vw;
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ── Buttons ── */
button {
  font-family: var(--font);
  cursor: pointer;
  border: none;
  outline: none;
  transition: all var(--transition);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--surface-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn:hover {
  background: var(--surface-active);
  color: var(--text);
  border-color: var(--border-light);
}

.btn:active { transform: scale(0.97); }

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

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}

.btn-danger {
  color: var(--red);
}

.btn-danger:hover {
  background: var(--red-dim);
  border-color: var(--red);
}

.btn-warning {
  color: var(--yellow);
}

.btn-warning:hover {
  background: var(--yellow-dim);
  border-color: var(--yellow);
}

.btn-success {
  color: var(--green);
}

.btn-success:hover {
  background: var(--green-dim);
  border-color: var(--green);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.75rem;
}

.btn-icon {
  padding: 7px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-collapse svg {
  transition: transform 0.2s ease;
}
.btn-collapse.collapsed svg {
  transform: rotate(-90deg);
}

.table-wrap.collapsed {
  display: none;
}

/* ── Context Toolbar ── */
.ctx-toolbar-wrap {
  position: relative;
  flex-shrink: 0;
}

.ctx-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.ctx-btn {
  padding: 4px 10px;
  border-radius: var(--radius);
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  letter-spacing: 0.02em;
  text-transform: lowercase;
}

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

.ctx-btn.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-color: var(--accent);
}

.ctx-btn-x {
  padding: 4px 6px;
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 500;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.ctx-btn-x:hover {
  background: var(--red-dim);
  color: var(--red);
  border-color: var(--red);
}

.ctx-session-label {
  display: none;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  background: var(--blue-dim);
  color: var(--blue);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.6;
  min-width: 0;
}

.ctx-session-label.visible {
  display: inline;
}

.session-picker {
  display: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 4px;
  width: 520px;
  max-width: calc(100vw - 32px);
  max-height: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 200;
}

.session-picker.open { display: flex; }

.session-picker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.session-picker-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.session-picker-search {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.session-picker-search input {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: 0.78rem;
  font-family: var(--font);
  outline: none;
  transition: border-color var(--transition);
}

.session-picker-search input:focus {
  border-color: var(--accent);
}

.session-picker-search input::placeholder {
  color: var(--text-muted);
}

.session-picker-list {
  overflow-y: auto;
  flex: 1;
}

.session-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.session-item:hover { background: var(--surface-hover); }
.session-item:last-child { border-bottom: none; }

.session-item-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.session-item-status {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.session-item-status.done { background: var(--green); }
.session-item-status.failed { background: var(--red); }
.session-item-status.running { background: var(--yellow); animation: pulse 1.5s infinite; }
.session-item-status.unknown { background: var(--text-muted); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.session-item-id {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
  flex-shrink: 0;
}

.session-item-slug {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
  font-style: italic;
}

.session-item-job {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.session-item-prompt {
  font-size: 0.78rem;
  color: var(--text);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-item-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 15px;
}

.session-item-time {
  font-size: 0.68rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.session-item-cwd {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-item-cost {
  font-size: 0.65rem;
  color: var(--green);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

.session-filter-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.session-filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.68rem;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.session-filter-toggle:hover { border-color: var(--accent); color: var(--text-secondary); }
.session-filter-toggle.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }

.session-filter-project {
  font-size: 0.68rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.session-group-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1;
}

.session-group-header svg {
  width: 12px;
  height: 12px;
  flex-shrink: 0;
  opacity: 0.6;
}

.session-group-count {
  font-weight: 400;
  color: var(--text-muted);
  margin-left: auto;
}

.session-empty {
  padding: 24px 14px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.session-empty-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
  opacity: 0.5;
}