/* UI-concepts prototype: three single-screen variations of the T3 Trades
   workspace. Page-scoped styles; shared tokens come from styles.css. */

.toolbar-note {
  max-width: 32rem;
}

.ui-variation .section-heading .muted {
  max-width: 46rem;
  margin: 0;
  color: var(--text-dim);
  font-size: 0.86rem;
}

/* ---------- app frame ---------- */

.ui-frame {
  overflow: hidden;
  margin-top: 1rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 12% -10%, color-mix(in srgb, var(--model) 6%, transparent), transparent 26rem),
    var(--surface);
  box-shadow: var(--shadow);
}

/* ---------- shared atoms ---------- */

.ui-dot {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  flex: none;
  border-radius: 50%;
  background: var(--text-faint);
}

.ui-dot--live {
  background: var(--exchange);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--exchange) 22%, transparent);
}

.ui-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.14rem 0.5rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text-dim);
  font: 600 0.68rem/1.4 var(--font-mono);
  white-space: nowrap;
}

.ui-chip--model {
  border-color: color-mix(in srgb, var(--model) 45%, transparent);
  color: var(--model);
}

.ui-chip--state {
  border-color: color-mix(in srgb, var(--exchange) 45%, transparent);
  color: var(--exchange);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ui-chip--tool {
  border-color: color-mix(in srgb, var(--platform) 55%, transparent);
  color: var(--text-dim);
}

.ui-up { color: var(--positive); }
.ui-down { color: var(--negative); }

.ui-riskbar {
  display: inline-block;
  width: 4.2rem;
  height: 0.36rem;
  overflow: hidden;
  border-radius: 999px;
  background: color-mix(in srgb, var(--line-strong) 70%, transparent);
  vertical-align: middle;
}

.ui-riskbar > span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--exchange), var(--human));
}

.ui-spark { display: inline-flex; width: 6.2rem; height: 1.5rem; }
.ui-spark svg, .ui-candles svg, .ui-gauge svg { display: block; width: 100%; height: 100%; }

.ui-candles {
  height: 9.5rem;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
}

.ui-status {
  min-height: 1rem;
  margin: 0;
  color: var(--text-faint);
  font-size: 0.72rem;
}

.ui-status:not(:empty) { color: var(--human); }

.ui-danger { color: var(--negative); }

/* chart strokes/fills — SVG parts pick these up via class + currentColor */
.ui-c-up { color: var(--positive); }
.ui-c-down { color: var(--negative); }
.ui-c-entry { color: var(--model); }
.ui-c-stop { color: var(--risk); }
.ui-c-grid { color: var(--line); }
.ui-c-spark { color: var(--model); }
.ui-c-pnl { color: var(--positive); }
.ui-c-track { color: var(--line-strong); }
.ui-c-label { fill: var(--text-faint); font: 600 7px var(--font-mono); }

/* ---------- controls + composer (shared) ---------- */

.ui-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ui-controls button {
  min-height: 1.9rem;
  padding: 0.25rem 0.72rem;
  border-radius: 999px;
  background: var(--surface-2);
  font-size: 0.74rem;
  font-weight: 600;
}

.ui-controls button[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--human) 60%, transparent);
  color: var(--human);
}

.ui-input {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.ui-input input {
  min-width: 0;
  flex: 1;
  min-height: 2.3rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  font-size: 0.82rem;
}

.ui-input input::placeholder { color: var(--text-faint); }

.ui-input .button-primary {
  min-height: 2.3rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.78rem;
}

.ui-composer {
  display: grid;
  gap: 0.55rem;
  padding: 0.8rem 1rem 0.9rem;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-2) 55%, transparent);
}

/* ================= A · THREAD ================= */

.ui-frame--thread {
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  min-height: 30rem;
}

.ui-rail {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0.9rem 0.8rem;
  border-right: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 40%, transparent);
}

.ui-rail__label {
  margin: 0;
  color: var(--text-faint);
  font: 700 0.62rem/1 var(--font-mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.ui-rail__item {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.6rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.ui-rail__item.is-active {
  border-color: color-mix(in srgb, var(--model) 35%, var(--line));
  background: color-mix(in srgb, var(--model) 8%, transparent);
}

.ui-rail__item strong { display: block; font-size: 0.8rem; }
.ui-rail__item small { color: var(--text-faint); font-size: 0.68rem; }

.ui-rail__new {
  justify-content: flex-start;
  min-height: 1.9rem;
  padding: 0.3rem 0.6rem;
  border-style: dashed;
  color: var(--text-faint);
  background: transparent;
  font-size: 0.74rem;
  text-align: left;
}

.ui-rail__foot { margin-top: auto; }

.ui-main {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.ui-threadhead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--line);
}

.ui-threadhead__title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
}

.ui-threadhead__price {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.ui-price strong { font: 700 0.84rem/1 var(--font-mono); }
.ui-price small { margin-left: 0.35rem; font: 600 0.7rem/1 var(--font-mono); }

.ui-essentials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 30%, transparent);
}

.ui-essentials small,
.ui-focuscard__stats small {
  display: block;
  color: var(--text-faint);
  font: 600 0.6rem/1.5 var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ui-essentials strong { font: 700 0.8rem/1.3 var(--font-mono); }
.ui-essentials em { color: var(--text-faint); font-style: normal; font-size: 0.68rem; }
.ui-riskcell .ui-riskbar { margin-top: 0.25rem; }

.ui-thread {
  display: flex;
  max-height: 24rem;
  flex: 1;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1rem;
  overflow-y: auto;
}

.ui-msg {
  position: relative;
  max-width: 34rem;
  padding: 0.7rem 0.9rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.ui-msg p { margin: 0; font-size: 0.82rem; line-height: 1.6; }

.ui-msg time {
  display: block;
  margin-top: 0.3rem;
  color: var(--text-faint);
  font: 500 0.62rem/1 var(--font-mono);
}

.ui-msg--agent {
  border-color: color-mix(in srgb, var(--model) 22%, var(--line));
  background: color-mix(in srgb, var(--model) 6%, transparent);
}

.ui-msg--user {
  align-self: flex-end;
  border-color: color-mix(in srgb, var(--human) 30%, var(--line));
  background: color-mix(in srgb, var(--human) 7%, transparent);
}

.ui-toolcard {
  max-width: 34rem;
  margin: 0;
  padding: 0.55rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--bg) 35%, transparent);
}

.ui-toolcard figcaption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 0.5rem;
  color: var(--text-faint);
  font: 500 0.68rem/1.4 var(--font-mono);
}

.ui-activity {
  margin: 0;
  padding-left: 0.2rem;
  color: var(--text-faint);
  font: 500 0.7rem/1.5 var(--font-mono);
}

/* ================= B · TAPE ================= */

.ui-frame--tape { font-family: var(--font-mono); }

.ui-statline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.1rem;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 45%, transparent);
}

.ui-stat { display: inline-flex; align-items: center; gap: 0.35rem; }
.ui-stat small { color: var(--text-faint); font-size: 0.62rem; text-transform: uppercase; }
.ui-stat strong { font-size: 0.78rem; font-weight: 700; }

.ui-spark--tape { width: 5rem; height: 1.2rem; }

.ui-tape {
  display: flex;
  max-height: 22rem;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.9rem 1rem;
  overflow-y: auto;
}

.ui-line {
  display: block;
  margin: 0;
  padding: 0.22rem 0.3rem;
  border-radius: var(--radius-xs);
  color: var(--text-dim);
  font-size: 0.76rem;
  line-height: 1.55;
}

.ui-line time {
  margin-right: 0.6rem;
  color: var(--text-faint);
  font-size: 0.68rem;
}

.ui-glyph {
  display: inline-block;
  width: 1.1rem;
  color: var(--text-faint);
  font-style: normal;
}

.ui-glyph--decide { color: var(--model); }
.ui-glyph--exec { color: var(--human); }
.ui-glyph--safe { color: var(--exchange); }

.ui-line--exec { padding: 0; }

.ui-line--exec summary {
  display: block;
  padding: 0.22rem 0.3rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  list-style: none;
}

.ui-line--exec summary::-webkit-details-marker { display: none; }

.ui-line--exec summary:hover { background: color-mix(in srgb, var(--line) 45%, transparent); }

.ui-receipt-hint {
  margin-left: 0.55rem;
  padding: 0.05rem 0.4rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text-faint);
  font-size: 0.62rem;
}

.ui-receipt {
  margin: 0.15rem 0 0.3rem 1.85rem;
  padding: 0.45rem 0.6rem;
  border-left: 2px solid color-mix(in srgb, var(--human) 55%, transparent);
  color: var(--text-faint);
  background: color-mix(in srgb, var(--bg) 45%, transparent);
  font-size: 0.7rem;
}

.ui-composer--tape { gap: 0.5rem; }

.ui-input--tape .ui-prompt {
  color: var(--exchange);
  font: 700 0.9rem/1 var(--font-mono);
}

.ui-input--tape input { font-family: var(--font-mono); font-size: 0.78rem; }

.ui-controls--keys button {
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: lowercase;
}

/* ================= C · FOCUS ================= */

.ui-frame--focus {
  display: grid;
  justify-items: center;
  gap: 1rem;
  padding: clamp(1.2rem, 4vw, 2.4rem) clamp(0.8rem, 3vw, 2rem);
  background:
    radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--model) 8%, transparent), transparent 30rem),
    var(--surface);
}

.ui-focuscard {
  display: grid;
  width: min(100%, 30rem);
  gap: 0.85rem;
  padding: 1.15rem 1.2rem 1.3rem;
  border: 1px solid color-mix(in srgb, var(--model) 22%, var(--line-strong));
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--bg) 35%, var(--surface));
  box-shadow: 0 18px 50px -30px color-mix(in srgb, var(--model) 35%, #000);
}

.ui-focuscard__state {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.ui-pulse {
  position: relative;
  width: 0.65rem;
  height: 0.65rem;
  flex: none;
  border-radius: 50%;
  background: var(--exchange);
}

.ui-pulse::after {
  content: "";
  position: absolute;
  inset: -0.35rem;
  border: 1px solid color-mix(in srgb, var(--exchange) 55%, transparent);
  border-radius: 50%;
  animation: ui-pulse 2.4s ease-out infinite;
}

@keyframes ui-pulse {
  0% { transform: scale(0.6); opacity: 1; }
  100% { transform: scale(1.5); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .ui-pulse::after { animation: none; }
}

.ui-statename {
  font: 700 0.9rem/1 var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.ui-focuscard__plan {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.84rem;
  line-height: 1.6;
}

.ui-candles--focus { height: 11rem; }

.ui-focuscard__stats {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 0.6rem 1.6rem;
}

.ui-focuscard__stats strong { font: 700 0.84rem/1.4 var(--font-mono); }

.ui-spark--pnl { width: 4.6rem; height: 1.2rem; margin-right: 0.4rem; vertical-align: middle; }

.ui-gauge { display: inline-flex; width: 2.2rem; height: 1.3rem; margin-right: 0.4rem; vertical-align: middle; }

.ui-controls--focus { justify-content: center; padding-top: 0.2rem; }

.ui-focus-ask {
  display: grid;
  width: min(100%, 30rem);
  gap: 0.5rem;
}

.ui-focus-answers { display: grid; gap: 0.45rem; }

.ui-focus-answers .ui-msg { max-width: none; }

/* ================= responsive ================= */

@media (max-width: 720px) {
  .ui-frame--thread { grid-template-columns: minmax(0, 1fr); }
  .ui-rail { display: none; }
  .ui-thread { max-height: 20rem; }
  .ui-msg { max-width: none; }
}