/* 扫码页面 */
.scan-page {
  background: #000;
  height: 100dvh;
  min-height: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  padding-top: calc(24px + var(--app-safe-area-top, 0px));
  padding-bottom: calc(var(--nav-item-size, 70px) + 12px);
  overflow: hidden;
  box-sizing: border-box;
}

.scan-container {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 0;
  margin-top: 12px;
}

.scan-frame {
  width: 280px;
  height: 280px;
  border: 2px solid rgba(245, 99, 81, 0.3);
  border-radius: 12px;
  position: relative;
  background: rgba(245, 99, 81, 0.05);
  overflow: hidden;
}

.scan-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border: 3px solid #f56351;
}

.scan-corner.top-left { top: -2px; left: -2px; border-right: none; border-bottom: none; border-radius: 8px 0 0 0; }
.scan-corner.top-right { top: -2px; right: -2px; border-left: none; border-bottom: none; border-radius: 0 8px 0 0; }
.scan-corner.bottom-left { bottom: -2px; left: -2px; border-right: none; border-top: none; border-radius: 0 0 0 8px; }
.scan-corner.bottom-right { bottom: -2px; right: -2px; border-left: none; border-top: none; border-radius: 0 0 8px 0; }

.scan-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, #f56351, transparent);
  animation: scanMove 2s linear infinite;
}

@keyframes scanMove {
  0% { top: 0; opacity: 1; }
  100% { top: 100%; opacity: 0.5; }
}

.scan-tip {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 24px;
}

.scan-actions {
  display: flex;
  justify-content: center;
  gap: 60px;
  padding: 16px 0 0;
  flex: 0 0 auto;
  margin-top: auto;
}

.scan-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 12px;
  border-radius: 12px;
  transition: all var(--transition-fast);
}

.scan-btn svg { width: 40px; height: 40px; opacity: 0.6; transition: opacity var(--transition-fast); }
.scan-btn span { font-size: 13px; color: rgba(255, 255, 255, 0.6); transition: color var(--transition-fast); }
.scan-btn.active svg, .scan-btn:active svg { opacity: 1; }
.scan-btn.active span, .scan-btn:active span { color: #f56351; }
.scan-btn:active { transform: scale(0.95); }