/* AI Voice Charting — terminal-faithful mockup (chart left, Assistant right) */

.vcd-stage {
  position: relative;
  display: none;
  width: 100%;
  aspect-ratio: 960 / 640;
  border-radius: var(--ml-radius-media, 0.75rem);
  overflow: hidden;
  background: #070a0d;
}

.steep-platform.is-voice-demo .vcd-stage {
  display: block;
}

.steep-platform.is-voice-demo .steep-media-in,
.steep-platform.is-voice-demo .steep-media-out {
  display: none !important;
}

.vcd-nature-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 40%;
  filter: brightness(1.02) saturate(1.05) contrast(1.04);
  transform: scale(1.04);
}

.vcd-nature-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 10, 13, 0.08), rgba(7, 10, 13, 0.22) 55%, rgba(7, 10, 13, 0.34)),
    radial-gradient(ellipse at 50% 45%, transparent 35%, rgba(7, 10, 13, 0.28) 100%);
}

html[data-theme="light"] .vcd-nature-bg {
  filter: brightness(1.05) saturate(1) contrast(1.02);
}

html[data-theme="light"] .vcd-nature-bg::after {
  background:
    linear-gradient(180deg, rgba(238, 242, 247, 0.06), rgba(16, 22, 31, 0.18) 60%, rgba(16, 22, 31, 0.3)),
    radial-gradient(ellipse at 50% 45%, transparent 40%, rgba(16, 22, 31, 0.18) 100%);
}

.voice-chart-demo {
  --vcd-bg: #0c0c0c;
  --vcd-panel: #0c0c0c;
  --vcd-surface: #121212;
  --vcd-border: #262626;
  --vcd-text: #f8f8f8;
  --vcd-heading: #ffffff;
  --vcd-muted: #929aa5;
  --vcd-accent: #a5b5d2;
  --vcd-bull: #26a69a;
  --vcd-bear: #ef5350;
  --vcd-ema20: #f0b90b;
  --vcd-ema50: #2962ff;
  --vcd-rsi: #a5b5d2;
  --vcd-support: rgba(38, 166, 154, 0.16);
  --vcd-support-line: rgba(38, 166, 154, 0.7);
  --vcd-hover: #1a1a1a;
  position: absolute;
  inset: 9.5% 7.5% 10%;
  border-radius: 0.55rem;
  overflow: hidden;
  background: color-mix(in srgb, var(--vcd-bg) 94%, transparent);
  border: 1px solid color-mix(in srgb, #fff 10%, var(--vcd-border));
  color: var(--vcd-text);
  font-family: "Satoshi", system-ui, -apple-system, sans-serif;
  box-sizing: border-box;
  display: none;
  flex-direction: column;
  min-height: 0;
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.55),
    0 2px 0 color-mix(in srgb, #fff 6%, transparent) inset;
  backdrop-filter: blur(10px) saturate(1.05);
  -webkit-backdrop-filter: blur(10px) saturate(1.05);
}

.steep-platform.is-voice-demo .voice-chart-demo {
  display: flex;
}

html[data-theme="light"] .voice-chart-demo {
  --vcd-bg: #ffffff;
  --vcd-panel: #f3f4f6;
  --vcd-surface: #fafafa;
  --vcd-border: #e5e7eb;
  --vcd-text: #111827;
  --vcd-heading: #111827;
  --vcd-muted: #6b7280;
  --vcd-accent: #1e3156;
  --vcd-bull: #089981;
  --vcd-bear: #f23645;
  --vcd-hover: #eceff1;
  --vcd-support: rgba(8, 153, 129, 0.12);
  --vcd-support-line: rgba(8, 153, 129, 0.55);
}

.vcd-chrome {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.42rem 0.65rem;
  border-bottom: 1px solid var(--vcd-border);
  background: var(--vcd-surface);
  flex-shrink: 0;
}

.vcd-traffic { display: flex; gap: 0.28rem; }
.vcd-traffic i {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  display: block;
}
.vcd-traffic i:nth-child(1) { background: #ff5f57; }
.vcd-traffic i:nth-child(2) { background: #febc2e; }
.vcd-traffic i:nth-child(3) { background: #28c840; }

.vcd-url {
  font-size: 0.58rem;
  color: var(--vcd-muted);
  padding: 0.14rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--vcd-border);
  background: color-mix(in srgb, var(--vcd-text) 4%, transparent);
}

.vcd-live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  font-size: 0.58rem;
  font-weight: 500;
  color: var(--vcd-bull);
}
.vcd-live::before {
  content: "";
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--vcd-bull) 20%, transparent);
}

.vcd-workspace {
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: stretch;
}

.vcd-chart-col {
  flex: 1 1 64%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--vcd-bg);
  border-right: 0;
}

.vcd-resizer {
  width: 4px;
  flex: none;
  background: var(--vcd-border);
  cursor: default;
}

.vcd-llm {
  width: 40%;
  min-width: 0;
  flex: none;
  display: flex;
  flex-direction: column;
  background: var(--vcd-panel);
  border-left: 1px solid var(--vcd-border);
}

.vcd-tabs {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 0.35rem;
  border-bottom: 1px solid var(--vcd-border);
  background: var(--vcd-surface);
  min-height: 1.85rem;
  flex-shrink: 0;
}

.vcd-tab {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--vcd-muted);
  font: inherit;
  font-size: 0.62rem;
  font-weight: 500;
  padding: 0.45rem 0.55rem;
  border-bottom: 2px solid transparent;
  cursor: default;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.vcd-tab.is-active {
  color: var(--vcd-heading);
  border-bottom-color: var(--vcd-accent);
}

.vcd-tab-add {
  margin-left: 0.15rem;
  width: 1.2rem;
  height: 1.2rem;
  display: grid;
  place-items: center;
  border-radius: 0.25rem;
  color: var(--vcd-muted);
  font-size: 0.85rem;
  border: 1px solid var(--vcd-border);
}

.vcd-period {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.28rem 0.55rem;
  border-bottom: 1px solid var(--vcd-border);
  background: var(--vcd-bg);
  flex-shrink: 0;
  min-height: 1.7rem;
}

.vcd-intervals {
  display: flex;
  gap: 0.1rem;
}
.vcd-intervals span {
  font-size: 0.58rem;
  font-weight: 500;
  color: var(--vcd-muted);
  padding: 0.16rem 0.35rem;
  border-radius: 0.25rem;
}
.vcd-intervals span.is-active {
  color: var(--vcd-heading);
  background: var(--vcd-hover);
}

.vcd-legend {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
}
.vcd-leg {
  display: inline-flex;
  align-items: center;
  gap: 0.22rem;
  font-size: 0.52rem;
  color: var(--vcd-muted);
  transition: opacity 0.25s ease;
}
.vcd-leg.is-off { opacity: 0.35; }
.vcd-leg i {
  width: 0.55rem;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
}
.vcd-leg.ema20 { color: var(--vcd-ema20); }
.vcd-leg.ema50 { color: var(--vcd-ema50); }
.vcd-leg.vol { color: var(--vcd-muted); }
.vcd-leg.rsi { color: var(--vcd-rsi); }

.vcd-ohlc {
  margin-left: auto;
  font-size: 0.52rem;
  font-variant-numeric: tabular-nums;
  color: var(--vcd-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 42%;
}

.vcd-chart-stack {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.vcd-plot {
  position: relative;
  flex: 1;
  min-height: 0;
}

.vcd-plot canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.vcd-yaxis {
  position: absolute;
  top: 0.35rem;
  right: 0.3rem;
  bottom: 18%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 0.5rem;
  color: var(--vcd-muted);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
  z-index: 2;
  text-align: right;
}

.vcd-last {
  position: absolute;
  right: 0;
  z-index: 3;
  transform: translateY(-50%);
  pointer-events: none;
}
.vcd-last span {
  display: block;
  font-size: 0.52rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: #0c0c0c;
  background: var(--vcd-bull);
  padding: 0.1rem 0.28rem;
  border-radius: 0.15rem 0 0 0.15rem;
}
.vcd-last.is-down span { background: var(--vcd-bear); color: #fff; }

.vcd-support {
  position: absolute;
  left: 0.4rem;
  right: 2.1rem;
  height: 10%;
  border-top: 1px dashed var(--vcd-support-line);
  border-bottom: 1px dashed var(--vcd-support-line);
  background: var(--vcd-support);
  display: flex;
  align-items: flex-start;
  padding: 0.1rem 0.35rem;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transform: scaleX(0.12);
  transform-origin: left center;
  transition: opacity 0.35s ease, transform 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}
.vcd-support span {
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--vcd-bull);
}
.voice-chart-demo.is-support .vcd-support {
  opacity: 1;
  transform: scaleX(1);
}

.vcd-rsi {
  flex: 0 0 22%;
  border-top: 1px solid var(--vcd-border);
  background: var(--vcd-bg);
  display: flex;
  flex-direction: column;
  min-height: 0;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.45s ease;
}
.voice-chart-demo.is-rsi .vcd-rsi {
  opacity: 1;
  transform: none;
}
.vcd-rsi[hidden] { display: none !important; }
.voice-chart-demo.is-rsi .vcd-rsi[hidden] { display: flex !important; }

.vcd-rsi-head {
  display: flex;
  justify-content: space-between;
  padding: 0.18rem 0.5rem 0;
  font-size: 0.5rem;
  font-weight: 500;
  color: var(--vcd-muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.vcd-rsi-head strong {
  color: var(--vcd-rsi);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.vcd-rsi canvas {
  flex: 1;
  width: 100%;
  min-height: 0;
  display: block;
}

.vcd-statusbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.22rem 0.55rem;
  border-top: 1px solid var(--vcd-border);
  font-size: 0.52rem;
  color: var(--vcd-muted);
  background: var(--vcd-surface);
  flex-shrink: 0;
}
.vcd-statusbar strong { color: var(--vcd-text); font-weight: 600; }
.vcd-spacer { flex: 1; }

/* —— LLM panel —— */
.vcd-llm-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--vcd-border);
  flex-shrink: 0;
}
.vcd-llm-brand {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 0;
}
.vcd-mark {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  display: block;
}
.vcd-mark.sm { width: 13px; height: 13px; margin-top: 0.15rem; }
.vcd-mark-svg { width: 100%; height: 100%; display: block; }
.vcd-mark-svg .a { fill: #b3b3b3; }
.vcd-mark-svg .b { fill: #666666; }
.vcd-mark-svg .c { fill: #ffffff; }
.vcd-mark-svg .d { fill: #b3b3b3; }
html[data-theme="light"] .vcd-mark-svg .b { fill: #4d4d4d; }
html[data-theme="light"] .vcd-mark-svg .c { fill: #666666; }
html[data-theme="light"] .vcd-mark-svg .d { fill: #000000; }

.vcd-llm-title {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--vcd-heading);
}
.vcd-llm-sub {
  margin: 0.05rem 0 0;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.58rem;
  color: var(--vcd-muted);
}
.vcd-dot {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--vcd-bull);
  display: inline-block;
}
.voice-chart-demo.is-listening .vcd-dot,
.voice-chart-demo.is-acting .vcd-dot {
  background: var(--vcd-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--vcd-accent) 22%, transparent);
}

.vcd-model-pill {
  font-size: 0.52rem;
  font-weight: 500;
  color: var(--vcd-muted);
  padding: 0.16rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--vcd-border);
  background: color-mix(in srgb, var(--vcd-text) 4%, transparent);
  white-space: nowrap;
}

.vcd-thread {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  padding: 0.65rem 0.65rem 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.vcd-empty {
  font-size: 0.68rem;
  line-height: 1.45;
  color: var(--vcd-muted);
  padding: 0.35rem 0.1rem;
}
.voice-chart-demo.is-user .vcd-empty,
.voice-chart-demo.is-reply .vcd-empty { display: none; }

.vcd-msg-user {
  display: flex;
  justify-content: flex-end;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.35s ease;
}
.voice-chart-demo.is-user .vcd-msg-user {
  opacity: 1;
  transform: none;
}
.vcd-msg-user[hidden] { display: none !important; }
.voice-chart-demo.is-user .vcd-msg-user[hidden] { display: flex !important; }

.vcd-bubble {
  max-width: 94%;
  padding: 0.45rem 0.6rem;
  border-radius: 0.75rem 0.75rem 0.2rem 0.75rem;
  background: color-mix(in srgb, var(--vcd-accent) 16%, var(--vcd-hover));
  border: 1px solid color-mix(in srgb, var(--vcd-accent) 22%, var(--vcd-border));
  font-size: 0.68rem;
  line-height: 1.4;
  color: var(--vcd-text);
}

.vcd-typing {
  display: none;
  gap: 0.28rem;
  padding: 0.2rem 0.15rem;
}
.voice-chart-demo.is-typing .vcd-typing { display: inline-flex; }
.vcd-typing i {
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 50%;
  background: var(--vcd-muted);
  animation: vcd-bounce 0.9s ease-in-out infinite;
}
.vcd-typing i:nth-child(2) { animation-delay: 0.12s; }
.vcd-typing i:nth-child(3) { animation-delay: 0.24s; }
@keyframes vcd-bounce {
  0%, 100% { transform: translateY(0); opacity: 0.45; }
  50% { transform: translateY(-3px); opacity: 1; }
}

.vcd-tools {
  display: none;
  flex-direction: column;
  gap: 0.28rem;
  padding: 0.45rem 0.5rem;
  border-radius: 0.55rem;
  border: 1px solid var(--vcd-border);
  background: color-mix(in srgb, var(--vcd-text) 3%, transparent);
}
.voice-chart-demo.is-tools .vcd-tools { display: flex; }
.vcd-tools-head {
  font-size: 0.55rem;
  font-weight: 500;
  color: var(--vcd-muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 0.1rem;
}
.vcd-tool {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.62rem;
  color: color-mix(in srgb, var(--vcd-text) 55%, var(--vcd-muted));
  opacity: 0.45;
  transition: opacity 0.25s ease, color 0.25s ease;
}
.vcd-tool.is-running,
.vcd-tool.is-ok {
  opacity: 1;
  color: var(--vcd-text);
}
.vcd-tool-ico {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  border: 1.5px solid var(--vcd-muted);
  flex-shrink: 0;
  position: relative;
}
.vcd-tool.is-running .vcd-tool-ico {
  border-color: transparent;
  border-top-color: var(--vcd-accent);
  animation: vcd-spin 0.7s linear infinite;
}
.vcd-tool.is-ok .vcd-tool-ico {
  border-color: var(--vcd-bull);
  background: color-mix(in srgb, var(--vcd-bull) 18%, transparent);
}
.vcd-tool.is-ok .vcd-tool-ico::after {
  content: "";
  position: absolute;
  left: 0.14rem;
  top: 0.06rem;
  width: 0.22rem;
  height: 0.38rem;
  border: solid var(--vcd-bull);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}
@keyframes vcd-spin { to { transform: rotate(360deg); } }

.vcd-msg-ai {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.35s ease;
}
.voice-chart-demo.is-reply .vcd-msg-ai {
  opacity: 1;
  transform: none;
}
.vcd-msg-ai[hidden] { display: none !important; }
.voice-chart-demo.is-reply .vcd-msg-ai[hidden] { display: block !important; }

.vcd-ai-row {
  display: flex;
  gap: 0.4rem;
  align-items: flex-start;
}
.vcd-ai-body {
  flex: 1;
  font-size: 0.68rem;
  line-height: 1.45;
  color: var(--vcd-text);
}

.vcd-composer {
  padding: 0.45rem 0.55rem 0.6rem;
  border-top: 1px solid var(--vcd-border);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex-shrink: 0;
  background: var(--vcd-panel);
}

.vcd-composer-box {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--vcd-border);
  background: var(--vcd-surface);
  min-height: 2.45rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, padding 0.2s ease;
}
.voice-chart-demo.is-listening .vcd-composer-box {
  border-color: color-mix(in srgb, var(--vcd-accent) 45%, var(--vcd-border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--vcd-accent) 12%, transparent);
  padding-bottom: 1.35rem;
}

.vcd-mic {
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 999px;
  border: 0;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--vcd-text) 7%, transparent);
  color: var(--vcd-muted);
  flex-shrink: 0;
  padding: 0;
}
.vcd-mic svg { width: 0.8rem; height: 0.8rem; }
.voice-chart-demo.is-listening .vcd-mic {
  background: color-mix(in srgb, var(--vcd-accent) 22%, transparent);
  color: var(--vcd-heading);
}

.vcd-wave {
  display: none;
  position: absolute;
  left: 2.35rem;
  right: 0.55rem;
  bottom: 0.32rem;
  align-items: flex-end;
  justify-content: flex-start;
  gap: 2px;
  height: 0.72rem;
  width: auto;
  pointer-events: none;
}
.voice-chart-demo.is-listening .vcd-wave { display: flex; }
.vcd-wave span {
  width: 2px;
  height: 20%;
  border-radius: 999px;
  background: var(--vcd-accent);
  animation: vcd-wave 0.85s ease-in-out infinite;
}
.vcd-wave span:nth-child(odd) { animation-delay: 0.08s; }
.vcd-wave span:nth-child(3n) { animation-delay: 0.16s; }
.vcd-wave span:nth-child(4n) { animation-delay: 0.04s; }
@keyframes vcd-wave {
  0%, 100% { height: 18%; }
  45% { height: 95%; }
  70% { height: 40%; }
}

.vcd-input {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 0.68rem;
  line-height: 1.4;
  color: var(--vcd-text);
}
.vcd-placeholder { color: var(--vcd-muted); }
.voice-chart-demo.is-listening .vcd-placeholder,
.voice-chart-demo.is-user .vcd-placeholder { display: none; }

.vcd-voice-state {
  flex-shrink: 0;
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--vcd-muted);
}
.voice-chart-demo.is-listening .vcd-voice-state {
  display: none;
}
.voice-chart-demo.is-acting .vcd-voice-state,
.voice-chart-demo.is-reply .vcd-voice-state { color: var(--vcd-bull); }

@media (max-width: 768px) {
  .vcd-stage {
    display: block;
    aspect-ratio: 960 / 720;
    margin-bottom: 1.25rem;
  }

  .steep-mobile-list article[data-voice-mobile] > img { display: none; }

  .steep-mobile-list .voice-chart-demo {
    display: flex;
    inset: 5.5% 4.5% 6%;
  }

  .vcd-llm { width: 40%; }
  .vcd-ohlc { display: none; }
}

@media (max-width: 520px) {
  .vcd-workspace { flex-direction: column; }
  .vcd-resizer { display: none; }
  .vcd-llm {
    width: 100%;
    border-left: 0;
    border-top: 1px solid var(--vcd-border);
    max-height: 42%;
  }
  .vcd-chart-col { flex: 1 1 auto; max-height: 58%; }
  .voice-chart-demo { inset: 4.5% 3.5% 5%; }
}

@media (prefers-reduced-motion: reduce) {
  .voice-chart-demo,
  .voice-chart-demo * {
    animation: none !important;
    transition: none !important;
  }
}