/* Gas-plasma theme: amber phosphor glow on near-black, monospace.
   Canonical tokens: assistant/docs/demerzel-app-design.md section 2,
   assistant/web/src/index.css. Monochrome amber - no foreign hues.
   The language is the terminal SESSION, not the display hardware:
   no scanlines, vignettes, or other physical-screen artifacts. */
:root {
  --bg: #0a0805;
  --panel: #14100a;
  --amber: #ffb000;
  --amber-dim: #b27f2a;
  --amber-glow: #ffce6b;
  --amber-faint: #3a2c10;
  --line: rgba(255, 176, 0, 0.22);
  --line-faint: rgba(255, 176, 0, 0.12);
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--amber);
  font-family: ui-monospace, Menlo, Consolas, "Liberation Mono", monospace;
  margin: 0;
  padding: 1.2rem 1.6rem 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-thumb { background: var(--amber-faint); border-radius: 4px; }

header {
  width: 100%;
  max-width: 900px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--line-faint);
  padding-bottom: 0.5rem;
  margin-bottom: 0.9rem;
}
header h1 {
  font-size: 1rem;
  letter-spacing: 0.25em;
  color: var(--amber-glow);
  text-shadow: 0 0 6px #ffb000, 0 0 16px rgba(255, 176, 0, 0.35);
  margin: 0;
  text-transform: uppercase;
}
#summary-line { color: var(--amber-dim); font-size: 0.75rem; }
#summary-line b { color: var(--amber); font-weight: normal; }

main { width: 100%; max-width: 900px; }

.controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.8rem;
  font-size: 0.75rem;
}
#domain-filters { display: flex; gap: 1rem; }
.domain-check { color: var(--amber-dim); text-transform: uppercase; cursor: pointer; }
.domain-check input { accent-color: var(--amber); }
.domain-all {
  border: 0;
  border-bottom: 1px dashed var(--amber-dim);
  background: transparent;
  color: var(--amber);
  font: inherit;
  padding: 0;
  text-transform: uppercase;
  cursor: pointer;
}

.mode-buttons button, .action-buttons button {
  background: var(--panel);
  color: var(--amber-dim);
  border: 1px solid var(--line-faint);
  font: inherit;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.7rem;
  cursor: pointer;
}
.mode-buttons button.active {
  color: var(--amber-glow);
  border-color: var(--amber);
  text-shadow: 0 0 6px rgba(255, 176, 0, 0.6);
}
.action-buttons button { color: var(--amber); border-color: var(--line); }
.action-buttons .primary-action {
  color: var(--bg);
  background: var(--amber);
  border-color: var(--amber-glow);
  font-weight: 700;
}
#btn-hide-kb { margin-left: 0.6rem; border-style: dashed; }

button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, #snippet:focus-visible {
  outline: 2px solid var(--amber-glow);
  outline-offset: 3px;
}

.control-details, .analytics-details {
  margin-bottom: 0.8rem;
}
.control-details > summary, .analytics-details > summary {
  color: var(--amber-dim);
  cursor: pointer;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  margin-bottom: 0.65rem;
  text-transform: uppercase;
  width: max-content;
}
.control-details[open] > summary, .analytics-details[open] > summary {
  color: var(--amber);
}
.advanced-row { justify-content: flex-start; }

.settings-row {
  font-size: 0.7rem;
  color: var(--amber-dim);
  text-transform: uppercase;
  gap: 1.2rem;
  justify-content: flex-start;
}
.settings-row label { display: flex; align-items: center; gap: 0.4rem; }
.settings-row input, .settings-row select {
  background: var(--panel);
  color: var(--amber);
  border: 1px solid var(--line-faint);
  font: inherit;
  padding: 0.15rem 0.3rem;
  width: auto;
}
.settings-row input { width: 4.5rem; }
.data-actions { display: flex; gap: 0.4rem; margin-left: auto; }
.data-actions button {
  background: var(--panel);
  border: 1px solid var(--line-faint);
  color: var(--amber);
  cursor: pointer;
  font: inherit;
  padding: 0.2rem 0.45rem;
  text-transform: uppercase;
}
.data-actions .danger-action { border-style: dashed; color: var(--amber-dim); }

.meta-line {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  font-size: 0.72rem;
  color: var(--amber-dim);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
#meta-domain { color: var(--amber-glow); }
.badge {
  border: 1px solid var(--line-faint);
  padding: 0.05rem 0.5rem;
  color: var(--amber-dim);
}
.badge-targeted {
  color: var(--amber-glow);
  border-color: var(--amber);
  text-shadow: 0 0 6px rgba(255, 176, 0, 0.5);
}
.alt-hint { color: var(--amber-glow); text-transform: none; }

#snippet {
  background: var(--panel);
  border: 1px solid var(--line-faint);
  border-radius: 6px;
  padding: 1.1rem 1.3rem;
  font-size: 1.25rem;
  line-height: 1.9;
  min-height: 4.2rem;
  margin-bottom: 0.7rem;
  word-break: break-word;
  white-space: pre-wrap;
}
#snippet span.u { color: var(--amber-dim); }        /* upcoming */
#snippet span.t { color: var(--amber); }            /* typed */
#snippet span.t.err-here {                          /* typed, cost misses */
  color: var(--amber-glow);
  text-decoration: underline;
  text-decoration-color: rgba(255, 176, 0, 0.6);
}
#snippet span.cur {                                 /* caret block */
  background: var(--amber);
  color: var(--bg);
  border-radius: 2px;
  box-shadow: 0 0 6px #ffb000, 0 0 16px rgba(255, 176, 0, 0.35);
}
#snippet span.err {                                 /* inverse-video flare */
  background: var(--amber-glow);
  color: var(--bg);
  border-radius: 2px;
  box-shadow: 0 0 8px #ffce6b, 0 0 20px rgba(255, 176, 0, 0.55);
}
#snippet span.ghost {
  outline: 1px dashed var(--amber-dim);
  outline-offset: 1px;
  border-radius: 2px;
}
#snippet.governor-warn {
  border-color: var(--amber-glow);
  box-shadow: 0 0 10px rgba(255, 176, 0, 0.35) inset;
}

.banner {
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--amber-glow);
  font-size: 0.8rem;
  padding: 0.4rem 1rem;
  margin-bottom: 0.7rem;
}

.live-line {
  display: flex;
  gap: 2rem;
  align-items: center;
  font-size: 0.8rem;
  color: var(--amber-dim);
  margin-bottom: 0.9rem;
  text-transform: uppercase;
}
.live-line b { color: var(--amber); font-size: 1rem; font-weight: normal; }
#weak-chips, #bigram-chips { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line-faint);
  color: var(--amber);
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  text-transform: none;
}
.chip-warn { color: var(--amber-glow); border-color: var(--amber); }
.chip-grad { color: var(--amber-dim); border-style: dashed; }

/* Weak-key lesson strip: pick a key / finger to fix; active target blooms.
   Three stacked rows: weak keys, finger groups, repeat/exit/hint. */
.lesson-strip {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line-faint);
  border-radius: 4px;
  background: var(--panel);
}
.lesson-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.lesson-strip-label {
  font-size: 0.62rem;
  color: var(--amber-dim);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  min-width: 3.6rem;
}
.lesson-key, .lesson-finger, .lesson-repeat {
  background: var(--panel);
  color: var(--amber);
  font: inherit;
  font-size: 0.8rem;
  min-width: 1.7rem;
  text-align: center;
  cursor: pointer;
}
.lesson-finger { text-transform: uppercase; letter-spacing: 0.04em; }
.lesson-key:hover, .lesson-finger:hover, .lesson-repeat:hover {
  border-color: var(--amber);
  color: var(--amber-glow);
}
.lesson-key-active {
  color: var(--bg);
  background: var(--amber-glow);
  border-color: var(--amber);
  text-shadow: none;
  filter: drop-shadow(0 0 6px #ffb000) drop-shadow(0 0 16px rgba(255, 176, 0, 0.45));
}
.lesson-exit {
  background: var(--panel);
  color: var(--amber-dim);
  border-style: dashed;
  cursor: pointer;
}
.lesson-exit:hover { color: var(--amber); border-color: var(--amber); }
.lesson-hint {
  font-size: 0.62rem;
  color: var(--amber-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-left: auto;
}

#result-bar {
  border: 1px solid var(--amber);
  border-radius: 4px;
  background: var(--panel);
  box-shadow: 0 0 12px rgba(255, 176, 0, 0.18);
  padding: 0.5rem 1rem;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  display: flex;
  gap: 1.6rem;
  align-items: baseline;
  flex-wrap: wrap;
}
#result-bar .r-hint {
  color: var(--amber-dim);
  font-size: 0.7rem;
  margin-left: auto;
  text-transform: uppercase;
}
#result-bar b { color: var(--amber-glow); font-weight: normal; }
.flow-line { display: flex; gap: 0.4rem; flex-wrap: wrap; margin-bottom: 0.9rem; }
.hidden { display: none !important; }

#kb-wrap { margin-bottom: 1.4rem; }
#kb { width: 100%; height: auto; display: block; }
.key-base {
  fill: var(--panel);
  stroke: var(--line-faint);
  stroke-width: 1;
  transition: fill 90ms linear;
}
.key-label {
  fill: var(--amber-dim);
  font-size: 20px;
  text-anchor: middle;
  pointer-events: none;
  font-family: inherit;
  font-weight: 700;
}
.key-label-small { font-size: 10.5px; letter-spacing: 0.07em; }
.key-legend-fkey { font-size: 15px; }
.key-legend-char-sm { font-size: 12px; }
.key-legend-shift { font-size: 13px; fill: rgba(255, 176, 0, 0.35); }
.key-legend-base { font-size: 14.5px; }
.homing-bar { fill: var(--amber-dim); }
.hand-divider {
  fill: none;
  stroke: rgba(255, 176, 0, 0.28);
  stroke-width: 2;
  stroke-dasharray: 6 5;
  pointer-events: none;
}
/* The glow: canonical two-layer amber bloom (Avatar.tsx) - a tight
   #ffb000 halo inside a wide translucent one, peak color on the stroke. */
.key-next {
  stroke: var(--amber-glow);
  stroke-width: 2.2;
  filter: drop-shadow(0 0 6px #ffb000) drop-shadow(0 0 16px rgba(255, 176, 0, 0.45));
}
.key-next-shift {
  stroke: var(--amber);
  stroke-width: 1.4;
  stroke-dasharray: 4 3;
  filter: drop-shadow(0 0 6px rgba(255, 176, 0, 0.5));
}
.key-error {
  fill: var(--amber-glow) !important;
  filter: drop-shadow(0 0 8px #ffce6b);
}
.key-selectable:focus-visible .key-base {
  stroke: var(--amber-glow);
  stroke-width: 2.2;
  filter: drop-shadow(0 0 6px #ffb000);
}
.strip-dot {
  fill: var(--panel);
  stroke: rgba(255, 176, 0, 0.22);
  stroke-width: 1.5;
}
.strip-dot-active {
  fill: var(--amber-glow);
  stroke: var(--amber);
  filter: drop-shadow(0 0 6px #ffb000) drop-shadow(0 0 14px rgba(255, 176, 0, 0.45));
}
.strip-dot-shift {
  stroke: var(--amber);
  stroke-width: 2;
  stroke-dasharray: 3 2.5;
}

#stats-section {
  border-top: 1px solid var(--line-faint);
  padding-top: 1rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
}
#stats-section h2 {
  font-size: 0.72rem;
  color: var(--amber-glow);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  margin: 0 0 0.6rem;
  font-weight: normal;
}
#sparkline {
  width: 100%;
  height: 80px;
  background: var(--panel);
  border: 1px solid var(--line-faint);
  border-radius: 4px;
}
.spark-line { fill: none; stroke: var(--amber); stroke-width: 1.6; }
.spark-dot { fill: var(--amber-glow); }

#key-table, #trans-table, #topic-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}
#key-table th, #trans-table th, #topic-table th {
  text-align: left;
  color: var(--amber-dim);
  font-weight: normal;
  text-transform: uppercase;
  font-size: 0.65rem;
  border-bottom: 1px solid var(--line-faint);
  padding: 0.2rem 0.5rem 0.3rem 0;
}
#key-table td, #trans-table td, #topic-table td {
  padding: 0.18rem 0.5rem 0.18rem 0;
  border-bottom: 1px solid rgba(255, 176, 0, 0.07);
}

@media (max-width: 760px) {
  #stats-section { grid-template-columns: 1fr; }
  body { padding: 0.8rem 1rem 2rem; }
  header { align-items: flex-start; }
  #domain-filters { gap: 0.5rem 0.8rem; flex-wrap: wrap; }
  #snippet { font-size: 1.08rem; line-height: 1.7; }
  .live-line { gap: 1rem; flex-wrap: wrap; }
}