* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #f5f0eb;
  --card: #ffffff;
  --primary: #c2766e;
  --primary-light: #e8c4bf;
  --primary-dark: #9e5a53;
  --text: #3a3a3a;
  --text-light: #8a8a8a;
  --border: #e8e0d8;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --radius: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  -webkit-tap-highlight-color: transparent;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
  padding-bottom: 100px;
}

/* Landing page */
.landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80dvh;
  text-align: center;
  gap: 32px;
}

.landing h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-dark);
}

.landing p {
  color: var(--text-light);
  font-size: 15px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 48px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  -webkit-user-select: none;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

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

.btn-primary:active {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--border);
  color: var(--text);
}

.btn-danger {
  background: #e8e0d8;
  color: #c0392b;
}

.btn-block {
  width: 100%;
}

.btn-sm {
  min-height: 36px;
  padding: 8px 16px;
  font-size: 14px;
}

/* Project header */
.project-header {
  text-align: center;
  padding: 16px 0 12px;
}

.project-title-row {
  display: flex;
  align-items: center;
  position: relative;
}

.project-header h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
  flex: 1;
  text-align: center;
}

.refresh-btn {
  padding: 6px 14px !important;
  font-size: 14px !important;
  min-height: unset !important;
  position: absolute;
  right: 0;
}

.project-header .meta {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

/* Toolbar */
.toolbar {
  display: flex;
  gap: 8px;
  margin: 12px 0;
  flex-wrap: wrap;
}

.toolbar .btn {
  flex: 1;
  min-width: 0;
}

/* Filters */
.filters {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
}

.filter-select {
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  font-size: 14px;
  color: var(--text);
  flex-shrink: 0;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' fill='none' stroke='%238a8a8a' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

/* Item cards */
.item-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.item-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: box-shadow 0.2s;
  position: relative;
}

.item-card:active {
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.12);
}

.item-card .item-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.item-card .item-details {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.tag-venue {
  background: #e8f0fe;
  color: #1a56db;
}

.tag-person {
  background: #fef3e2;
  color: #b45309;
}

.tag-qty {
  background: #f0f0f0;
  color: #555;
}

/* Status tags */
.tag-status {
  font-weight: 600;
}

.status-采买中 {
  background: #fde8e8;
  color: #c0392b;
}

.status-待发货 {
  background: #fef9e2;
  color: #92400e;
}

.status-已收货 {
  background: #fef3e2;
  color: #b45309;
}

.status-已取货 {
  background: #e0f2fe;
  color: #0369a1;
}

.status-已就绪 {
  background: #d1fae5;
  color: #047857;
}

.item-card .item-notes {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 4px;
}

.item-card .item-date {
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

/* Empty state */
.empty {
  text-align: center;
  padding: 48px 16px;
  color: var(--text-light);
}

.empty p {
  font-size: 15px;
}

/* Modal overlay */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.modal {
  background: var(--card);
  border-radius: 20px 20px 0 0;
  padding: 20px 16px 32px;
  width: 100%;
  max-width: 480px;
  max-height: 90dvh;
  overflow-y: auto;
  animation: slideUp 0.25s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.modal h2 {
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--primary-dark);
}

/* Form */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  color: var(--text);
  background: #fafafa;
  -webkit-appearance: none;
  appearance: none;
}

.form-group textarea {
  min-height: 60px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.form-actions .btn {
  flex: 1;
}

/* Create project dialog */
.create-dialog {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px 16px;
  box-shadow: var(--shadow);
  width: 100%;
}

.create-dialog h2 {
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  color: var(--primary-dark);
}

/* Summary bar */
.summary-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.summary-chip {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: #f0f0f0;
  color: var(--text);
}

/* Loading */
.loading {
  text-align: center;
  padding: 48px 16px;
  color: var(--text-light);
  font-size: 15px;
}

/* Share link bar */
.share-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 8px 0 16px;
  padding: 10px 12px;
  background: var(--card);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.share-bar input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--text-light);
  outline: none;
  min-width: 0;
}

.share-bar .btn-sm {
  flex-shrink: 0;
}

/* Delete confirmation */
.delete-row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* Auto-save indicator */
.modal-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 8px;
}
.modal-title-row h2 {
  margin: 0;
  flex: 1;
  text-align: center;
}
.modal-title-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.save-indicator {
  font-size: 13px;
  color: var(--text-light);
  white-space: nowrap;
  font-weight: 500;
  transition: color 0.3s;
}
.save-indicator.saved {
  color: #16a34a;
}
.save-indicator.saving {
  color: #f59e0b;
}

/* Quantity + unit row */
.qty-row {
  display: flex;
  gap: 8px;
}
.qty-row input {
  flex: 1;
}
.qty-row select {
  flex: 0 0 90px;
}