/* styles.css — sidebar + diagram for the cache-only activation-aztec visualizer */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap');

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 18px/1.6 'Inter', sans-serif;
  background: #111;
  color: #eee;
  display: flex;
  height: 100vh;
  width: 100%;
  font-size: 14px;
  gap: 16px;
}
p { opacity: 0.75; margin: 0; }

/* ---- sidebar ---- */
nav {
  width: 300px;
  flex-shrink: 0;
  padding: 40px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
  max-height: 100vh;
}
.status { font-size: 12px; opacity: 0.5; font-variant-numeric: tabular-nums; }

/* seed buttons */
.seed-btns { display: flex; flex-direction: column; gap: 6px; }
.seed-btn {
  width: 100%;
  text-align: left;
  padding: 8px 11px;
  border: 1px solid #3f3f46;
  border-radius: 6px;
  background: transparent;
  color: #eee;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.seed-btn:hover { border-color: #71717a; }
.seed-btn.active { border-color: #f59e0b; background: #f59e0b14; color: #fff; }

.btn-row { display: flex; gap: 8px; width: 100%; }
.btn-row > button {
  flex: 1;
  padding: 4px;
  border: 1px solid #a1a1aa;
  border-radius: 2px;
  background: transparent;
  color: #eee;
  font: inherit;
  cursor: pointer;
}
.btn-row > button:hover { border-color: #fff; }
button:disabled { opacity: 0.4; cursor: default; }

.output {
  padding: 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  border: 1px solid #a1a1aa;
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.5;
  min-height: 2.5em;
  max-height: 22vh;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* decoded Aztec strip */
#aztec-panel { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
#aztec-code { image-rendering: pixelated; background: #fff; border: 2px solid #f59e0b; border-radius: 4px; }

/* ---- zoom toolbar ---- */
#zoom-bar {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 50;
  display: flex;
  gap: 4px;
  align-items: center;
  background: rgba(27, 27, 31, 0.85);
  border: 1px solid #3f3f46;
  border-radius: 8px;
  padding: 5px 7px;
  backdrop-filter: blur(6px);
}
#zoom-bar button {
  background: transparent;
  color: #eee;
  border: 1px solid #52525b;
  border-radius: 4px;
  min-width: 28px;
  height: 26px;
  padding: 0 6px;
  cursor: pointer;
  font: inherit;
}
#zoom-bar button:hover { border-color: #fff; }
#zoom-bar #z-pct { min-width: 46px; text-align: center; opacity: 0.8; font-variant-numeric: tabular-nums; }

/* ---- per-transformer residual rectangle ---- */
.tf-wrap {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 8px; border-radius: 8px;
}
.rv-cap { display: flex; gap: 10px; align-items: baseline; font-size: 12px; opacity: 0.8; }
.rv-canvas { image-rendering: pixelated; background: #fff; border: 1px solid #333; }

/* ---- main scroll area ---- */
main {
  flex: 1;
  height: 100vh;
  overflow: auto;
  display: flex;
  justify-content: safe center;   /* center when it fits, no clipping when wider */
  align-items: flex-start;
  padding: 24px;
}

/* ---- diagram primitives ---- */
.node {
  border: 1px solid #a1a1aa;
  border-radius: 4px;
  padding: 5px 6px;
}
.node-name { font-size: 12px; white-space: nowrap; }

.val-row {
  display: flex;
  gap: 0;
  width: fit-content;
  margin: 4px auto 0;
  align-items: center;
  border: 1px solid #444;
}

.cache-grid {
  display: grid;
  width: fit-content;
  margin: 4px auto 0;
  border: 1px solid #444;
}

.block {
  border-color: #3f3f46;
  border-radius: 6px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  font-size: 12px;
}
.block.dashed { border: 1px dashed #3f3f46; }
.block-label { opacity: 0.75; }
.block-inner { display: flex; align-items: center; gap: 6px; }
.block-inner.row { flex-direction: row; align-items: flex-start; }
.block-inner.col { flex-direction: column; }

.child { display: flex; flex-direction: column; }
.size { color: #52525b; text-align: center; font-size: 11px; min-height: 0.9em; }
.arrow { color: #52525b; text-align: center; }

sub { font-size: 0.75em; }