:root {
  --bg: #f0f2f5;
  --card: #fff;
  --text: #1a1a1a;
  --muted: #666;
  --primary: #1677ff;
  --border: #e5e7eb;
  --danger: #d4380d;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  -webkit-tap-highlight-color: transparent;
}

#app {
  max-width: 520px;
  margin: 0 auto;
  min-height: 100vh;
  padding-bottom: 24px;
}

.h5-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.h5-topbar .actions {
  display: flex;
  gap: 4px;
}

.h5-btn {
  border: none;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 14px;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
}

.h5-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.h5-btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}

.h5-btn-sm {
  padding: 6px 10px;
  font-size: 13px;
}

.h5-panel {
  margin: 12px;
  padding: 14px;
  background: var(--card);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.h5-field {
  margin-bottom: 12px;
}

.h5-field label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 4px;
}

.h5-field input,
.h5-field textarea,
.h5-field select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
}

.h5-field textarea {
  min-height: 88px;
  resize: vertical;
}

.h5-error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 6px;
}

.h5-toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  max-width: 90%;
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.78);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  z-index: 100;
  pointer-events: none;
}

.h5-order-card {
  margin: 12px;
  padding: 14px;
  background: var(--card);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.h5-order-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 8px;
}

.h5-order-no {
  font-weight: 700;
  font-size: 15px;
  word-break: break-all;
}

.h5-icon-row {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.h5-muted {
  color: var(--muted);
  font-size: 13px;
}

.h5-line {
  margin: 4px 0;
  line-height: 1.5;
}

.h5-subtitle {
  font-weight: 600;
  margin: 10px 0 6px;
  font-size: 14px;
}

.h5-loadmore {
  margin: 12px;
}

.h5-modal-back {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 50;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 16px;
}

.h5-modal {
  width: 100%;
  max-width: 480px;
  max-height: 85vh;
  overflow: auto;
  background: var(--card);
  border-radius: 12px 12px 0 0;
  padding: 16px;
}

.h5-modal h3 {
  margin: 0 0 12px;
  font-size: 17px;
}

.h5-radio-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.h5-help {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  margin-top: 8px;
}