:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #252a34;
  --text: #e6e8ee;
  --muted: #8a93a6;
  --accent: #6aa9ff;
  --green: #2ecc71;
  --amber: #f1c40f;
  --red: #e74c3c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

h1, h2 { margin: 0; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 16px; font-weight: 600; }

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

.conn-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--muted);
  display: inline-block;
}
.dot.ok { background: var(--green); }
.dot.err { background: var(--red); }

button {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
}
button:hover { border-color: var(--accent); }
button.linklike { background: transparent; border: none; color: var(--muted); padding: 0; }
button.linklike:hover { color: var(--accent); }

.logout-form { margin: 0; }

.layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 0;
  height: calc(100vh - 52px);
}

.sidebar {
  border-right: 1px solid var(--border);
  background: var(--panel);
  padding: 16px;
  overflow-y: auto;
}
.sidebar h2 { font-size: 12px; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li {
  padding: 8px 10px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  margin-bottom: 4px;
}
.sidebar li:hover { background: #1f232d; }
.sidebar li.active { border-color: var(--accent); }
.sidebar .hist-meta { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--muted); margin-top: 2px; }

/* Settings nav item in sidebar */
.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  margin-bottom: 14px;
  color: var(--muted);
  user-select: none;
}
.sidebar-nav-item:hover { background: #1f232d; color: var(--text); }
.sidebar-nav-item.active { border-color: var(--accent); color: var(--text); }
.sidebar-nav-item.prompts-modified { color: var(--amber); }

.content {
  padding: 20px;
  overflow-y: auto;
}

.upload-form {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
}

input[type="file"] { color: var(--text); }

.run-model-select {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
}
.run-model-select:focus { outline: none; border-color: var(--accent); }

#status-msg { color: var(--muted); font-size: 12px; }

.result { border: 1px solid var(--border); border-radius: 6px; padding: 16px; background: var(--panel); }
.result-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.rerun-btn { margin-left: auto; font-size: 12px; padding: 4px 10px; }
.rerun-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.delete-btn { margin-left: 0; color: var(--red); border-color: transparent; }
.delete-btn:hover { border-color: var(--red); }

.chip {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  background: #333;
  color: white;
}
.chip.high { background: var(--green); color: #0a1f0e; }
.chip.medium { background: var(--amber); color: #3a2d00; }
.chip.low { background: var(--red); }

.muted { color: var(--muted); font-size: 12px; }

.canvas-wrap {
  background: #0b0d12;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px;
  text-align: center;
}
canvas {
  display: inline-block;
  max-width: 100%;
  max-height: 500px;
  width: auto;
  height: auto;
  vertical-align: middle;
}

.notes { font-size: 13px; margin: 10px 0 14px; color: var(--text); }

/* Prompt editor panel */
.prompts-panel {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
}
.prompts-panel-inner { max-width: 900px; }
.prompts-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.prompts-title { font-size: 13px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.custom-badge {
  background: var(--amber);
  color: #3a2d00;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 999px;
  text-transform: uppercase;
}
.prompts-actions { display: flex; align-items: center; gap: 10px; }
.prompt-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 12px;
}
.prompt-hint { font-size: 11px; color: var(--muted); }
.prompt-hint code { color: var(--accent); background: rgba(106,169,255,0.1); padding: 0 3px; border-radius: 3px; }
.prompt-textarea {
  background: #0b0d12;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  padding: 8px 10px;
  resize: vertical;
  width: 100%;
}
.prompt-textarea:focus { outline: none; border-color: var(--accent); }
.prompt-textarea-tall { min-height: 320px; }
button.prompts-modified { border-color: var(--amber); color: var(--amber); }


.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 8px 14px;
  border-radius: 0;
  color: var(--muted);
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.pane {
  display: none;
  background: #0b0d12;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 400px;
  overflow: auto;
  margin: 0;
}
.pane.active { display: block; }

/* Login */
.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
}
.login-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  width: 320px;
  display: flex; flex-direction: column; gap: 14px;
}
.login-box h1 { font-size: 18px; text-align: center; }
.login-box label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--muted); }
.login-box input {
  background: #0b0d12;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 10px;
  font-size: 14px;
}
.login-error {
  display: none;
  color: var(--red);
  font-size: 12px;
  margin: 0;
  text-align: center;
}