:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --accent: #58a6ff;
  --buy: #3fb950;
  --sell: #f85149;
}

* {
  box-sizing: border-box;
}

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

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

nav a {
  color: var(--accent);
  margin-left: 1rem;
  text-decoration: none;
}

nav a.active {
  font-weight: 600;
  text-decoration: underline;
}

main {
  padding: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.panel h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  align-items: end;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
}

input[type='datetime-local'],
input[type='number'],
select {
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

select {
  cursor: pointer;
}

.panel-pnl {
  border-color: #58a6ff44;
}

.panel-continuous {
  border-color: #3fb95055;
}

.form-continuous {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  align-items: end;
}

.pnl-main {
  font-size: 2rem;
  font-weight: 700;
  margin: 0.25rem 0 0.75rem;
}

.pnl-profit {
  color: var(--buy);
}

.pnl-loss {
  color: var(--sell);
}

.pnl-neutral {
  color: #8b949e;
}

.pnl-details {
  font-size: 0.9rem;
  color: #8b949e;
  margin: 0 0 0.35rem;
}

#pnlChart {
  width: 100% !important;
  height: 100% !important;
}

.label-range {
  grid-column: 1 / -1;
}

.label-range__title {
  display: block;
  margin-bottom: 0.35rem;
  line-height: 1.35;
}

.label-range__inputs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.label-range__inputs input[type='number'] {
  width: 4.5rem;
}

.label-range__inputs span {
  color: #8b949e;
  font-size: 0.85rem;
}

.label-check {
  grid-column: 1 / -1;
  flex-direction: row !important;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.label-check input[type='checkbox'] {
  width: auto;
}

button {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

.btn-start {
  background: var(--buy);
  color: #000;
}

.btn-stop {
  background: var(--sell);
  color: #fff;
}

#chart {
  height: 420px;
  width: 100%;
  position: relative;
}

/* Blinkende Signal-Pfeile ab Stärke ±18 (schneller bis ±20) */
.signal-blink-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 3;
}

.signal-blink-arrow {
  position: absolute;
  transform: translate(-50%, -50%);
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
  text-shadow: 0 0 8px currentColor;
  will-change: opacity, transform, filter;
}

.signal-blink-arrow.is-buy {
  color: #3fb950;
  animation-name: signalBlinkBuy;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}

.signal-blink-arrow.is-sell {
  color: #f85149;
  animation-name: signalBlinkSell;
  animation-timing-function: ease-in-out;
  animation-iteration-count: infinite;
}

@keyframes signalBlinkBuy {
  0%,
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.15);
    filter: drop-shadow(0 0 10px #3fb950);
  }
  50% {
    opacity: 0.12;
    transform: translate(-50%, -50%) scale(0.75);
    filter: none;
  }
}

@keyframes signalBlinkSell {
  0%,
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.15);
    filter: drop-shadow(0 0 10px #f85149);
  }
  50% {
    opacity: 0.08;
    transform: translate(-50%, -50%) scale(0.7);
    filter: none;
  }
}

.signal-box {
  font-size: 1.5rem;
  font-weight: 700;
}

.signal-box--secondary {
  font-size: 1.1rem;
  font-weight: 600;
  margin-top: 0.5rem;
  opacity: 0.9;
}

.signal-buy {
  color: var(--buy);
}

.signal-sell {
  color: var(--sell);
}

.log {
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  max-height: 160px;
  overflow-y: auto;
  background: var(--bg);
  padding: 0.75rem;
  border-radius: 6px;
}

.training-status {
  font-size: 1rem;
  margin: 0 0 0.75rem;
}

.training-summary {
  margin: 0 0 0.75rem;
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border, #30363d);
  border-radius: 8px;
}

.training-summary__headline {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--text, #e6edf3);
}

.training-summary__line {
  font-size: 0.88rem;
  line-height: 1.45;
  margin: 0.25rem 0;
  color: var(--muted, #8b949e);
  word-break: break-word;
}

.training-summary__line--gate-ok {
  color: var(--buy);
}

.training-summary__line--gate-block {
  color: #d29922;
}

.training-summary--error .training-summary__headline {
  color: var(--sell);
}

.status-error {
  color: var(--sell);
}

.progress-track {
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--buy);
  transition: width 0.3s ease;
}

.progress-backtest {
  background: #a371f7;
}

.progress-bootstrap {
  background: #58a6ff;
}

.progress-track--indeterminate .progress-fill {
  width: 35% !important;
  animation: progress-indeterminate 1.4s ease-in-out infinite;
}

@keyframes progress-indeterminate {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(350%);
  }
}

.panel-bootstrap[hidden] {
  display: none;
}

.live-status-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--panel, #161b22);
  border-bottom: 1px solid var(--border, #30363d);
}

.live-status-bar[hidden] {
  display: none;
}

.live-status-bar__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.live-status-bar__message {
  margin: 0 0 0.35rem;
  font-size: 0.9rem;
  color: var(--muted, #8b949e);
}

.live-status-bar__message--error {
  color: var(--sell, #f85149);
}

.live-status-bar__stale {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: var(--sell, #f85149);
}

.live-status-bar__stale[hidden] {
  display: none;
}

.live-status-bar .progress-track {
  margin-bottom: 0;
}

.history-bootstrap-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 17, 23, 0.72);
  color: var(--text, #e6edf3);
  font-size: 1rem;
  z-index: 10;
  pointer-events: none;
  border-radius: 8px;
}

.history-chart-wrap {
  position: relative;
  min-height: 400px;
}

.history-bootstrap-overlay[hidden] {
  display: none;
}

.speed-control {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border, #30363d);
}

.speed-control__label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--muted, #8b949e);
}

.speed-control__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.speed-btn {
  min-width: 3rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border, #30363d);
  border-radius: 6px;
  background: var(--panel, #161b22);
  color: var(--text, #e6edf3);
  cursor: pointer;
  font-weight: 600;
}

.speed-btn:hover:not(:disabled) {
  border-color: #a371f7;
}

.speed-btn--active {
  background: #a371f7;
  color: #fff;
  border-color: #a371f7;
}

.speed-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.speed-control__hint {
  font-size: 0.8rem;
  color: var(--muted, #8b949e);
}

.learning-chart-wrap--sm {
  height: 220px;
}

.backtest-candle-chart {
  height: 480px;
  width: 100%;
}

.panel-backtest-chart {
  border-color: #a371f744;
}

.legend-buy {
  color: var(--buy);
  font-weight: 600;
}

.legend-sell {
  color: var(--sell);
  font-weight: 600;
}

.training-metrics {
  font-size: 0.85rem;
  color: #8b949e;
  margin: 0 0 0.35rem;
}

.training-detail {
  font-size: 0.8rem;
  color: #6e7681;
  margin: 0;
}

.panel-learning {
  border-color: #3fb95044;
}

.learning-chart-wrap {
  position: relative;
  height: 320px;
  width: 100%;
}

#learningChart {
  width: 100% !important;
  height: 100% !important;
}

.learning-chart-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8b949e;
  font-size: 0.95rem;
  text-align: center;
  padding: 1rem;
  pointer-events: none;
  z-index: 1;
}

.chart-hint {
  font-size: 0.8rem;
  color: #8b949e;
  margin: 0 0 0.5rem;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}