/**
 * dashboard.css
 * 極簡單車碼表 HUD 介面樣式
 * 針對騎乘中震動與單手操作優化，數字超大、對比極高
 */

.hud-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 16px;
  gap: 16px;
  overflow: hidden;
  background-color: var(--bg-color);
}

/* 主速度顯示區塊 */
.speed-display-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 0 16px;
  background: var(--surface-color);
  border: 1px solid var(--surface-border);
  border-radius: 16px;
}

.speed-value-wrap {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
}

.speed-value {
  font-family: var(--font-mono);
  font-size: 88px;
  font-weight: 800;
  line-height: 0.95;
  color: #ffffff;
  letter-spacing: -2px;
}

.speed-unit {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-sub);
  text-transform: uppercase;
}

.speed-label {
  font-size: 13px;
  color: var(--text-sub);
  letter-spacing: 1.5px;
  margin-top: 8px;
  text-transform: uppercase;
}

/* 數據矩陣網格 (Grid) */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  flex: 1;
}

.metric-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 14px 16px;
  background-color: var(--surface-color);
  border: 1px solid var(--surface-border);
  border-radius: 12px;
}

.metric-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-sub);
  margin-bottom: 6px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.metric-value-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.1;
}

.metric-unit {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-sub);
}

/* 底部操作控制列 */
.control-bar {
  display: flex;
  gap: 12px;
  padding-bottom: env(safe-area-inset-bottom, 12px);
  margin-top: auto;
}

.action-btn {
  flex: 1;
  height: 64px;
  border-radius: 16px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  letter-spacing: 1px;
  transition: opacity 0.15s, transform 0.05s;
}

.action-btn:active {
  transform: scale(0.98);
  opacity: 0.85;
}

.btn-start {
  background-color: var(--accent-bike);
  color: #000000;
}

.btn-pause {
  background-color: var(--accent-pause);
  color: #000000;
}

.btn-resume {
  background-color: var(--accent-bike);
  color: #000000;
}

.btn-finish {
  background-color: var(--accent-stop);
  color: #ffffff;
}

.btn-secondary {
  background-color: #1a1a1a;
  color: #ffffff;
  border: 1px solid #333333;
}