:root {
  --bg: #0f1117;
  --panel: #1a1d26;
  --panel-2: #232733;
  --text: #e4e7ee;
  --muted: #8b90a1;
  --accent: #7c5cff;
  --accent-2: #5ce0d8;
  --border: #2d3240;
  --success: #4ade80;
  --warn: #fbbf24;
  --error: #f87171;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  background: var(--panel);
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

header h1 { font-size: 20px; font-weight: 600; }

nav { display: flex; gap: 8px; }
nav button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
nav button:hover { color: var(--text); border-color: var(--accent); }
nav button.active { background: var(--accent); color: white; border-color: var(--accent); }

main { padding: 32px; max-width: 1200px; margin: 0 auto; }

.tab { display: none; }
.tab.active { display: block; }

h2 { margin-bottom: 16px; font-size: 24px; }
h3 { margin: 16px 0 8px; font-size: 18px; }
h4 { margin: 20px 0 8px; color: var(--accent-2); font-size: 14px; text-transform: uppercase; letter-spacing: 1px; }

.hint { color: var(--muted); margin-bottom: 16px; font-size: 14px; }

textarea, input, select {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 14px;
  margin-bottom: 12px;
  resize: vertical;
}
textarea:focus, input:focus { outline: none; border-color: var(--accent); }

button {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  margin-right: 8px;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: white; }
button.primary:hover { filter: brightness(1.1); }
button.danger { background: var(--error); border-color: var(--error); color: white; }
button.small { padding: 4px 10px; font-size: 12px; }

.hidden { display: none !important; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 12px;
}

.agent-card .role {
  font-size: 12px;
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.agent-card .name { font-weight: 600; font-size: 16px; margin: 4px 0; }

.agent-card .prompt {
  font-size: 13px;
  color: var(--muted);
  margin: 8px 0;
  white-space: pre-wrap;
  max-height: 120px;
  overflow-y: auto;
  background: var(--bg);
  padding: 8px;
  border-radius: 4px;
}

.tools-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}
.tool-pill {
  background: var(--panel-2);
  color: var(--accent-2);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-family: monospace;
}

.phase-card { display: flex; align-items: center; gap: 12px; }
.phase-idx {
  background: var(--accent);
  color: white;
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600;
  flex-shrink: 0;
}
.phase-info { flex: 1; }
.phase-info .name { font-weight: 600; }
.phase-info .desc { color: var(--muted); font-size: 13px; }
.phase-info .meta {
  font-size: 12px;
  color: var(--accent-2);
  margin-top: 4px;
}

#gen-status { margin: 12px 0; color: var(--muted); font-size: 14px; }

.project-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
}
.project-row:hover { border-color: var(--accent); }

.tool-config-group {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}
.tool-config-group label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
  margin-bottom: 4px;
}

.event {
  font-family: monospace;
  font-size: 12px;
  padding: 6px 10px;
  border-left: 3px solid var(--border);
  margin-bottom: 2px;
  background: var(--panel);
}
.event.phase_start, .event.phase_done { border-color: var(--accent); color: var(--accent-2); }
.event.tool_call { border-color: var(--warn); color: var(--warn); }
.event.tool_result { border-color: var(--muted); color: var(--muted); }
.event.agent_start, .event.agent_done { border-color: var(--accent); }
.event.error { border-color: var(--error); color: var(--error); }
.event.run_done { border-color: var(--success); color: var(--success); }

.event .ts { color: var(--muted); margin-right: 8px; }
.event .role { color: var(--accent-2); margin-right: 8px; }

.run-log {
  max-height: 500px;
  overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  margin-top: 12px;
}

.tag {
  display: inline-block;
  font-size: 11px;
  background: var(--panel-2);
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 12px;
  margin-left: 8px;
}
.tag.running { color: var(--warn); }
.tag.completed { color: var(--success); }
.tag.failed { color: var(--error); }
.tag.parallel { color: var(--accent-2); }

.flex-row { display: flex; gap: 8px; align-items: center; }
.mt { margin-top: 16px; }

.tool-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--panel-2);
  border-radius: 12px;
  font-size: 12px;
  margin: 2px;
  cursor: pointer;
}
.tool-checkbox input { width: auto; margin: 0 4px 0 0; }

/* ─── File upload ─── */
.upload-row { display: flex; align-items: center; gap: 12px; margin: 8px 0 16px; flex-wrap: wrap; }
.file-label { display: inline-block; padding: 6px 12px; background: var(--panel-2); border: 1px dashed var(--border); border-radius: 6px; cursor: pointer; font-size: 13px; color: var(--muted); }
.file-label:hover { color: var(--accent); border-color: var(--accent); }
.upload-row input[type="file"] { font-size: 12px; color: var(--muted); }

/* ─── Agent execution visibility ─── */
.phase-group { margin-top: 16px; }
.phase-title { color: var(--accent-2); margin-bottom: 8px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.5px; }
.exec-card { margin: 8px 0; padding: 12px; background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; }
.exec-card > summary { cursor: pointer; display: flex; gap: 12px; align-items: center; list-style: none; }
.exec-card > summary::-webkit-details-marker { display: none; }
.exec-card > summary::before { content: "▸"; color: var(--muted); transition: transform 0.15s; }
.exec-card[open] > summary::before { transform: rotate(90deg); display: inline-block; }
.exec-body { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
.exec-body h5 { margin-top: 12px; margin-bottom: 4px; color: var(--accent); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.code { background: var(--bg); padding: 10px; border-radius: 6px; font-family: "Consolas", "Monaco", monospace; font-size: 12px; white-space: pre-wrap; word-break: break-word; max-height: 300px; overflow: auto; border: 1px solid var(--border); }
.tool-invocation { background: var(--bg); padding: 8px; border-radius: 6px; margin: 6px 0; border-left: 2px solid var(--accent); }
.tool-invocation .tool-head { margin-bottom: 4px; font-size: 13px; }
.tool-invocation details { margin-top: 4px; }
.tool-invocation summary { cursor: pointer; font-size: 12px; color: var(--muted); padding: 2px 0; }