/* ===========================
   CSS
   Aesthetic: Warm editorial / Japanese market feel
=========================== */

:root {
  --bg: #f5f0e8;
  --surface: #fffdf7;
  --surface2: #f0ebe0;
  --border: #d8cfbc;
  --accent: #b85c3a;
  --accent2: #8a7a62;
  --text: #ccbca7;
  --text-muted: #7a6e5e;
  --tag-bg: #e8dfd0;
  --tag-active: #b85c3a;
  --tag-active-text: #fff;
  --shadow: 0 2px 12px rgba(60,40,20,0.1);
  --shadow-hover: 0 8px 32px rgba(60,40,20,0.18);
  --radius: 4px;
  --radius-lg: 8px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  display: flex;
  font-family: 'Zen Kaku Gothic New', 'Noto Serif TC', sans-serif;
  flex-direction: column; /* 確保由上往下 */
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* === HEADER === */
.site-header {
  background: var(--text);
  color: #613f0a;
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 16px rgba(0,0,0,0.25);
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.logo-mark {
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
}
.logo h1 {
  font-family: 'Noto Serif TC', serif;
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #522d04;
}
.tagline {
  font-size: 0.72rem;
  color: #842B00;
  letter-spacing: 0.12em;
  margin-top: 1px;
}
.admin-btn {
  background: transparent;
  border: 1px solid #a89c88;
  color: #d0c8b8;
  padding: 7px 14px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}
.admin-btn:hover, .admin-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* === ADMIN PANEL === */
.admin-panel {
  background: #2a2218;
  border-bottom: 2px solid var(--accent);
}
.admin-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.admin-inner h2 {
  color: #d0c8b8;
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.admin-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn-action {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 9px 18px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-action:hover { background: #9e4d2e; transform: translateY(-1px); }
.btn-action.secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-action.secondary:hover { background: var(--border); }

/* === CONTROLS BAR === */
.controls-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 65px;
  z-index: 90;
}
.controls-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.search-wrap {
  position: relative;
  flex: 0 0 220px;
}
.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.1rem;
  pointer-events: none;
}
.search-wrap input {
  width: 100%;
  padding: 8px 12px 8px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: inherit;
  font-size: 0.88rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}
.search-wrap input:focus { border-color: var(--accent); }

.filter-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}
.tag-btn {
  background: var(--tag-bg);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 5px 12px;
  font-family: inherit;
  font-size: 0.8rem;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.2s;
  letter-spacing: 0.03em;
}
.tag-btn:hover { border-color: var(--accent); color: var(--accent); }
.tag-btn.active {
  background: var(--tag-active);
  border-color: var(--tag-active);
  color: var(--tag-active-text);
}
.sort-select {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: inherit;
  font-size: 0.82rem;
  color: var(--text);
  cursor: pointer;
  outline: none;
}

/* === 產品列表 === */
.main-content {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}

/* === 產品卡 === */
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.25s;
  position: relative;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: var(--accent);
}
.card-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--surface2);
  display: block;
}
.card-img-placeholder {
  width: 100%;
  aspect-ratio: 1;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--border);
}
.card-body {
  padding: 14px 16px 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card-tags {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}
.card-tag {
  font-size: 0.68rem;
  background: var(--tag-bg);
  color: var(--accent2);
  border-radius: 2px;
  padding: 2px 7px;
  letter-spacing: 0.04em;
}
.card-name {
  font-family: 'Noto Serif TC', serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.45;
}
.card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.card-condition {
  display: inline-block;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 2px;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.cond-new { background: #d4edda; color: #1d6b30; }
.cond-near-new { background: #d1ecf1; color: #0c5460; }
.cond-used { background: #fff3cd; color: #7d6008; }
.cond-damaged { background: #f8d7da; color: #721c24; }

/* 卡片上的編輯鈕*/
.card-edit-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: rgba(42,34,24,0.8);
  color: #ab9f8c;
  border: none;
  border-radius: 3px;
  padding: 4px 8px;
  font-size: 0.75rem;
  cursor: pointer;
  display: none;
  z-index: 2;
}
.admin-mode .card-edit-btn { display: block; }
.card-edit-btn:hover { background: var(--accent); }

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
  font-size: 1rem;
}

/* === MODAL OVERLAY === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(42,34,24,0.7);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  backdrop-filter: blur(3px);
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-box {
  background: var(--surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.25s ease;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
@keyframes slideUp { from { transform: translateY(24px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-close {
  position: sticky;
  float: right;
  top: 12px;
  right: 12px;
  margin: 12px 12px 0 0;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-muted);
  z-index: 1;
  transition: all 0.15s;
  flex-shrink: 0;
}
.modal-close:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* === 產品狀態窗 === */
.modal-img-wrap {
  position: relative;
  width: 100%;
}
.modal-img-wrap img {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
  display: block;
}
.modal-badge {
  position: absolute;
  bottom: 12px;
  left: 16px;
  padding: 4px 12px;
  border-radius: 3px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.modal-info {
  padding: 24px 28px 32px;
}
.modal-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.modal-info h2 {
  font-family: 'Noto Serif TC', serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.4;
  color: #5e4e26;
}
.modal-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  background: var(--surface2);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.meta-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}
.meta-item span:last-child {
  font-size: 0.92rem;
  font-weight: 600;
  color: #7d614c;
}
.modal-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  white-space: pre-wrap; /* 商品描述換行 */
}

/* Store Buttons */
.modal-stores {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.store-link-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-radius: var(--radius);
  text-decoration: none;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 2px solid transparent;
  transition: all 0.2s;
}
.store-link-btn:hover { transform: translateX(4px); }
.store-shopee {
  background: #ff6b35;
  color: #fff;
}
.store-shopee:hover { background: #e55a25; }
.store-convenient {
  background: #1a8f5e;
  color: #fff;
}
.store-convenient:hover { background: #157a50; }
.store-default {
  background: var(--text);
  color: #bf7f17;
}
.store-default:hover { background: var(--accent); }
.store-link-btn .store-arrow { font-size: 1.1rem; }

/* === EDIT MODAL === */
.edit-modal-box {
  max-width: 580px;
}
.edit-modal-box h2 {
  padding: 24px 28px 0;
  font-family: 'Noto Serif TC', serif;
  font-size: 1.3rem;
}
.form-scroll {
  padding: 20px 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-scroll label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}
.form-scroll input[type="text"],
.form-scroll textarea,
.form-scroll select {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.form-scroll input:focus,
.form-scroll textarea:focus,
.form-scroll select:focus { border-color: var(--accent); }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

/* Tag Picker */
.tag-picker {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-height: 44px;
}
.tag-picker-btn {
  padding: 4px 10px;
  border-radius: 2px;
  border: 1px solid var(--border);
  background: var(--tag-bg);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.15s;
}
.tag-picker-btn.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Store List in Edit Modal */
.store-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.store-entry {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 8px;
  align-items: center;
}
.store-entry input, .store-entry select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--text);
  outline: none;
}
.store-remove-btn {
  background: #f8d7da;
  border: 1px solid #e0b3b8;
  color: #721c24;
  border-radius: 3px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.store-remove-btn:hover { background: #f5c6cb; }
.btn-add-store {
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 8px;
  font-family: inherit;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.btn-add-store:hover { border-color: var(--accent); color: var(--accent); }

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

/* === TAGS MODAL === */
.tags-modal-box { max-width: 420px; }
.tags-modal-box h2 {
  padding: 24px 28px 0;
  font-family: 'Noto Serif TC', serif;
  font-size: 1.3rem;
}
.tag-manager { padding: 20px 28px 32px; }
.tag-input-row {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}
.tag-input-row input {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
}
.tag-input-row input:focus { border-color: var(--accent); }
.existing-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.existing-tag {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--tag-bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 5px 10px;
  font-size: 0.82rem;
}
.existing-tag button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  line-height: 1;
}
.existing-tag button:hover { color: #721c24; }

/* === FOOTER === */
.site-footer {
  text-align: center;
  padding: 24px;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  letter-spacing: 0.06em;
}

/* === RESPONSIVE === */
@media (max-width: 640px) {
  .header-inner { padding: 12px 16px; }
  .logo h1 { font-size: 1.2rem; }
  .controls-inner { padding: 10px 16px; gap: 10px; }
  .search-wrap { flex: 1 1 100%; }
  .main-content { padding: 20px 16px 48px; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 14px; }
  .modal-box { max-height: 95vh; }
  .modal-info { padding: 16px 18px 24px; }
  .modal-meta { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .store-entry { grid-template-columns: 1fr 1fr auto; }
  .admin-inner { padding: 12px 16px; }
}