body {
  font-family: Arial, Helvetica, sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  margin: 0;
  padding: 12px;
}

.container {
  max-width: 420px;
  margin: 0 auto;
}

.card {
  background: #020617;
  padding: 24px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

h1 {
  margin-top: 0;
  text-align: center;
}

select, button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  margin-bottom:12px;
  border-radius: 6px;
  border: none;
  font-size: 14px;
}

button {
  background: #2563eb;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}

.result {
  margin-top: 16px;
  padding: 16px;
  border-radius: 10px;
  background: #020617;
}

.result-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 14px;
}

.result-label {
  color: #94a3b8;
  min-width: 120px;
}

.direction {
  font-weight: bold;
}

.direction.up {
  color: #22c55e;
}

.direction.down {
  color: #ef4444;
}

.direction.flat {
  color: #9ca3af;
  font-weight: 600;
}

/* Confidence bar */
.confidence-row {
  gap: 8px;
}

.confidence-bar {
  flex: 1;
  height: 8px;
  background: #1e293b;
  border-radius: 4px;
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  width: 0%;
  background: #38bdf8;
  transition: width 0.4s ease, background 0.3s ease;
}

.footer {
  text-align: center;
  font-size: 11px;
  color: #94a3b8;
  margin-top: 16px;
}

.trained-box {
  margin: 12px 0 20px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.trained-label {
  font-size: 13px;
  opacity: 0.7;
}

.trained-number {
  font-size: 16px;
  font-weight: bold;
}

#symbolSearch {
  width: 100%;
  padding: 10px 12px;
  margin-top:10px;
  margin-bottom: 14px;
  border-radius: 8px;
  border: none;
  outline: none;
  background: #fff;
  color: #000;
  font-size: 14px;
  box-sizing: border-box;
}

#symbolSearch::placeholder {
  color: #9ca3af;
}

#symbolSearch:focus {
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.6);
}

.nav-button {
  display: block;
  margin: 16px 0 20px;
  padding: 14px;
  text-align: center;
  border-radius: 12px;
  background: linear-gradient(135deg, #6366f1, #22c55e);
  color: #ffffff;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

.nav-button:active {
  transform: scale(0.98);
}

.market-snapshot {
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.snapshot-title {
  font-size: 16px;
  margin-bottom: 12px;
  opacity: 0.85;
}

/* =====================
   Trend × Confidence Guide（修正版）
===================== */

.trend-help {
  position: relative;
  display: inline-block;
  margin-left: 6px;
  font-size: 12px;
  cursor: pointer;
  color: #9ca3af;
}

/* ★ 中央寄せ + 画面内制限 */
.trend-popup {
  position: absolute;
  bottom: 140%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;

  width: max-content;
  max-width: 280px;

  padding: 12px 14px;
  border-radius: 12px;

  background: rgba(2, 6, 23, 0.96);
  color: #e5e7eb;

  font-size: 12px;
  line-height: 1.5;

  box-shadow: 0 20px 40px rgba(0,0,0,0.5);

  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.trend-help:hover .trend-popup {
  opacity: 1;
  pointer-events: auto;
}

.trend-popup strong {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
}

.trend-popup ul {
  margin: 6px 0;
  padding-left: 18px;
}

.trend-popup li {
  margin-bottom: 6px;
}

.trend-popup small {
  display: block;
  margin-top: 6px;
  opacity: 0.6;
}

/* 📱 モバイルでは下に出す */
@media (max-width: 480px) {
  .trend-popup {
    top: 140%;
    bottom: auto;
    left: 50%;
    transform: translateX(-50%);
    max-width: 90vw;
  }
}

.muted {
  opacity: 0.65;
  font-size: 0.9em;
}

.live-market .result-row {
  align-items: flex-start;
}

.live-market .result-label {
  min-width: 140px;
}

/* =========================
   Live Market - Source
========================= */

.live-source {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
  font-size: 0.85em;
  opacity: 0.6;
}

.live-source-label {
  text-align: left;
}

.live-source-time {
  text-align: right;
  white-space: nowrap;
}