:root {
  --bg: #14171a;
  --panel: #1d2126;
  --ink: #e6e9ec;
  --muted: #9aa4ad;
  --border: #2c3238;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

header {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

h1 {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}

.controls {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
}

.controls label {
  display: flex;
  align-items: center;
  gap: 6px;
}

.controls input[type="number"] {
  width: 64px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--ink);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 13px;
}

.status {
  margin-left: auto;
}

main#frames {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 10px;
  padding: 16px;
}

.frame {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px;
}

.frame .ts {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
  padding-bottom: 4px;
}

.frame canvas {
  display: block;
  image-rendering: pixelated;
  border-radius: 2px;
}

.frame .note-toggle {
  margin-top: 4px;
  align-self: flex-start;
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 4px;
  font-size: 11px;
  padding: 2px 6px;
  cursor: pointer;
}

.frame .note-toggle.has-note {
  color: var(--ink);
  border-color: var(--muted);
}

.frame .note-box {
  display: none;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
  align-self: stretch;
}

.frame .note-box.open {
  display: flex;
}

.frame .note-box textarea {
  width: 100%;
  min-height: 50px;
  resize: vertical;
  box-sizing: border-box;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--ink);
  border-radius: 4px;
  padding: 4px 6px;
  font-size: 12px;
  font-family: inherit;
}

.frame .note-actions {
  display: flex;
  gap: 6px;
}

.frame .note-actions button {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
}

.frame .note-status {
  font-size: 10px;
  color: var(--muted);
  min-height: 12px;
}