/* ============================================================
   AI提示词大全 — 印刷样张馆
   纸底 / 墨字 / 印泥红。卡片是装裱好的样张，提示词是配方单。
   ============================================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --paper: #efefec;        /* 馆内地面（中性灰，纸质留在卡纸上） */
  --card: #fffdf6;         /* 样张卡纸 */
  --ink: #201b15;          /* 墨 */
  --ink-2: #6e6252;        /* 次级墨 */
  --ink-3: #756a5b;        /* 淡墨（对卡纸 5.2:1） */
  --line: rgba(32, 27, 21, 0.16);
  --line-strong: rgba(32, 27, 21, 0.45);
  --seal: #c43d1b;         /* 印泥红 */
  --seal-deep: #a33418;
  --seal-wash: rgba(196, 61, 27, 0.08);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "MiSans", "Microsoft YaHei", sans-serif;
  --radius: 10px;
}

html,
body {
  height: 100%;
}

body {
  font-family: var(--sans);
  font-size: 15px;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

/* 浏览器表面也属于这套设计 */
::selection {
  background: var(--seal);
  color: var(--card);
}

:focus-visible {
  outline: 2px solid var(--seal);
  outline-offset: 2px;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

img {
  display: block;
}

/* ---------- 顶栏 ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 52px;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  z-index: 100;
}

.navbar-inner {
  max-width: 760px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 14px;
}

.nav-back {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  margin-left: -6px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.15s;
}

.nav-back:hover {
  background: rgba(32, 27, 21, 0.06);
}

.nav-back:active {
  background: rgba(32, 27, 21, 0.12);
}

.nav-title {
  flex: 1;
  text-align: center;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.app {
  max-width: 760px;
  margin: 0 auto;
  padding: 68px 16px calc(72px + env(safe-area-inset-bottom));
}

/* ---------- 底部标签栏 ---------- */
.tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(58px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--card);
  border-top: 1px solid var(--line);
  display: flex;
  z-index: 100;
}

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  color: var(--ink-3);
  font-size: 11px;
  letter-spacing: 0.04em;
  transition: color 0.15s;
}

.tab-item.active {
  color: var(--seal);
  font-weight: 600;
}

.tab-item.active .tab-icon {
  stroke-width: 2.2;
}

/* 桌面端：底栏收窄成居中的船坞 */
@media (min-width: 600px) {
  .tabbar {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 760px;
    height: 58px;
    padding-bottom: 0;
    bottom: 16px;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: 0 6px 24px rgba(32, 27, 21, 0.08);
  }

  .app {
    padding-bottom: calc(100px + env(safe-area-inset-bottom));
  }
}

/* ---------- 检索条 ---------- */
.search-bar {
  display: flex;
  align-items: center;
  height: 44px;
  padding: 0 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 18px;
  transition: border-color 0.15s;
}

.search-bar:focus-within {
  border-color: var(--seal);
}

.search-bar svg {
  flex: 0 0 auto;
  margin-right: 9px;
  color: var(--ink-3);
}

.search-bar input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
}

.search-bar input::placeholder {
  color: var(--ink-3);
}

/* ---------- 分类索引带（样张抽屉标签，4 列 × 2 行） ---------- */
.cat-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 8px;
}

.cat-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 9px 2px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 12px;
  color: var(--ink-2);
  overflow: hidden;
  white-space: nowrap;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.cat-tab .cat-mark {
  font-size: 13px;
  line-height: 1;
  flex-shrink: 0;
}

.cat-tab span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
}

.cat-tab:hover {
  border-color: var(--line-strong);
}

.cat-tab.active,
.cat-tab:active {
  color: var(--seal);
  border-color: var(--seal);
  background: var(--seal-wash);
}

/* ---------- 区块标题 ---------- */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 26px 0 14px;
}

.section-head .section-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.section-head .section-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}

/* 排序切换 */
.sort-toggle {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  background: var(--card);
}

.sort-toggle span {
  padding: 3px 12px;
  font-size: 12px;
  color: var(--ink-3);
  cursor: pointer;
  transition: color 0.15s, background 0.15s;
}

.sort-toggle span.active {
  color: var(--card);
  background: var(--ink);
  font-weight: 600;
}

/* ---------- 瀑布流 · 样张卡 ---------- */
.waterfall {
  column-count: 2;
  column-gap: 12px;
}

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
  break-inside: avoid;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

@media (hover: hover) {
  .card:hover {
    transform: translateY(-2px);
    border-color: var(--line-strong);
  }
  .card:hover .card-img {
    transform: scale(1.02);
  }
}

.card:active {
  transform: translateY(0);
}

.card-frame {
  overflow: hidden;
  background: #e9e2d2;
}

.card-img {
  width: 100%;
  transition: transform 0.35s ease;
}

.card-info {
  padding: 9px 11px 11px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.card-meta {
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 6px;
  overflow: hidden;
  white-space: nowrap;
}

.card-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--ink-3);
  flex: 0 0 auto;
}

/* ---------- 详情页 ---------- */
.gallery {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hero-img {
  width: 100%;
  min-height: 200px;
  background: #e9e2d2;
  touch-action: pan-y;
}

.gallery-index {
  position: absolute;
  right: 10px;
  top: 10px;
  padding: 3px 9px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--card);
  background: rgba(32, 27, 21, 0.72);
  border-radius: 999px;
}

.thumb-row {
  display: flex;
  gap: 7px;
  margin: 10px 0 4px;
  padding: 0 1px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  align-items: center;
}

.thumb-row::-webkit-scrollbar {
  display: none;
}

.thumb {
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  outline: 2px solid transparent;
  outline-offset: 1px;
  cursor: pointer;
  background: #e9e2d2;
  transition: outline-color 0.15s;
}

.thumb.active {
  outline-color: var(--seal);
  border-color: var(--seal);
}

.save-hint {
  text-align: center;
  font-size: 12px;
  color: var(--ink-3);
  margin: 6px 0 16px;
}

.head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.head-row .title {
  flex: 1;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.fav-btn {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  margin-top: -4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--ink-3);
  user-select: none;
  transition: color 0.15s, transform 0.15s;
}

.fav-btn:hover {
  color: var(--seal);
}

.fav-btn.faved {
  color: var(--seal);
}

.fav-btn.faved svg .heart-path {
  fill: var(--seal);
}

.fav-btn:active {
  transform: scale(1.25);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  margin-top: 12px;
}

.tag {
  font-size: 11px;
  color: var(--seal-deep);
  background: var(--seal-wash);
  border: 1px solid rgba(196, 61, 27, 0.22);
  border-radius: 4px;
  padding: 2px 8px;
  margin: 0 6px 6px 0;
}

/* 配方单 */
.prompt-box {
  position: relative;
  margin-top: 18px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 18px;
  border-top: 3px solid var(--seal);
}

.prompt-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 9px;
}

.prompt-label .zh {
  font-size: 13px;
  font-weight: 700;
  color: var(--seal-deep);
  letter-spacing: 0.08em;
}

.prompt-label .en {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.14em;
}

.prompt-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  white-space: pre-wrap;
  word-break: break-all;
  user-select: text;
  -webkit-user-select: text;
}

/* 复制 = 盖章。按下缩，成功后落一枚「已复制」印 */
.copy-btn {
  position: relative;
  display: block;
  width: 100%;
  margin-top: 18px;
  padding: 13px 0;
  background: var(--seal);
  color: #fffdf6;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.15s;
}

.copy-btn:hover {
  background: var(--seal-deep);
}

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

.stamp {
  position: absolute;
  right: 14px;
  top: -17px;
  width: 62px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--seal);
  background: var(--card);
  border: 2px solid var(--seal);
  border-radius: 50%;
  transform: rotate(12deg) scale(1);
  pointer-events: none;
  animation: stamp-in 0.32s cubic-bezier(0.2, 1.4, 0.4, 1) both;
  box-shadow: 0 2px 10px rgba(32, 27, 21, 0.15);
}

@keyframes stamp-in {
  0% {
    opacity: 0;
    transform: rotate(20deg) scale(1.9);
  }
  60% {
    opacity: 1;
    transform: rotate(10deg) scale(0.94);
  }
  100% {
    opacity: 1;
    transform: rotate(12deg) scale(1);
  }
}

.stamp.out {
  animation: stamp-out 0.3s ease both;
}

@keyframes stamp-out {
  to {
    opacity: 0;
    transform: rotate(12deg) scale(1.06) translateY(-6px);
  }
}

/* ---------- 相关推荐 ---------- */
.related-row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -6px;
}

.related-item {
  width: 50%;
  padding: 0 6px 16px;
}

.related-frame {
  overflow: hidden;
  border-radius: 8px;
  background: #e9e2d2;
}

.related-img {
  width: 100%;
  height: 110px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

@media (hover: hover) {
  .related-item:hover .related-img {
    transform: scale(1.03);
  }
}

.related-title {
  font-size: 12px;
  color: var(--ink-2);
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- 收藏列表 ---------- */
.fav-item {
  display: flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 12px;
  transition: border-color 0.15s;
}

.fav-item:hover {
  border-color: var(--line-strong);
}

.fav-main {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.fav-img {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  object-fit: cover;
  background: #e9e2d2;
  flex-shrink: 0;
}

.fav-info {
  margin-left: 12px;
  min-width: 0;
  flex: 1;
}

.fav-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.fav-meta {
  margin-top: 5px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-3);
  letter-spacing: 0.05em;
}

.fav-remove {
  flex-shrink: 0;
  margin-left: 8px;
  font-size: 12px;
  color: var(--ink-3);
  padding: 10px 8px;
  cursor: pointer;
}

.fav-remove:hover {
  color: var(--seal);
}

/* ---------- 生图工具 ---------- */
.step-label {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  margin: 24px 0 12px;
}

.step-label .no {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--seal);
  letter-spacing: 0.1em;
}

.tpl-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tpl-chip {
  padding: 8px 15px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.tpl-chip:hover {
  border-color: var(--line-strong);
}

.tpl-chip.active {
  color: var(--seal);
  border-color: var(--seal);
  background: var(--seal-wash);
  font-weight: 600;
}

.form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 16px;
}

.form-item {
  display: flex;
  align-items: center;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.form-item:last-child {
  border-bottom: none;
}

.form-label {
  width: 84px;
  flex-shrink: 0;
  font-size: 13px;
  color: var(--ink-2);
}

.form-input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
  background: transparent;
  min-width: 0;
}

.form-input::placeholder {
  color: var(--ink-3);
}

.preview-box {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--seal);
  border-radius: var(--radius);
  padding: 16px;
}

.preview-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
  word-break: break-all;
  white-space: pre-wrap;
  user-select: text;
  -webkit-user-select: text;
}

.btn-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.btn-row .copy-btn {
  flex: 1;
  margin-top: 0;
}

.btn-ghost {
  flex-shrink: 0;
  width: 96px;
  background: transparent;
  color: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-ghost:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}

/* ---------- 搜索页 ---------- */
.result-meta {
  font-size: 12px;
  color: var(--ink-3);
  margin: 4px 0 14px;
}

/* ---------- 空状态 ---------- */
.empty {
  text-align: center;
  color: var(--ink-3);
  font-size: 13px;
  padding: 70px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  margin-top: 6px;
  background: rgba(255, 253, 246, 0.5);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 100px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fffdf6;
  font-size: 13px;
  letter-spacing: 0.05em;
  padding: 10px 22px;
  border-radius: 999px;
  z-index: 200;
  max-width: 80vw;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  transform: translateX(-50%) translateY(4px);
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- 导航栏登录区 ---------- */
.nav-auth {
  margin-left: auto;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.nav-user {
  color: var(--ink-2);
  max-width: 96px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-login,
.nav-logout,
.nav-admin-link {
  color: var(--seal);
  font-weight: 600;
}

/* ---------- 登录 / 注册 ---------- */
.auth-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 16px;
  margin-top: 16px;
}

.auth-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 16px;
}

.auth-sub {
  font-size: 13px;
  color: var(--ink-3);
  font-weight: 400;
  margin-left: 6px;
}

.auth-alt {
  text-align: center;
  font-size: 13px;
  color: var(--ink-3);
  margin-top: 14px;
}

.auth-alt a {
  color: var(--seal);
}

.captcha-img {
  width: 110px;
  height: 44px;
  flex-shrink: 0;
  margin-left: 10px;
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
  background: var(--paper);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
}

.captcha-err {
  font-size: 11px;
  color: var(--ink-3);
}

/* ---------- 管理后台 ---------- */
.admin-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.admin-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
  margin-bottom: 14px;
}

.admin-row label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: var(--ink-2);
  gap: 4px;
}

.admin-row input {
  width: 84px;
  padding: 7px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  outline: none;
  background: var(--paper);
}

.btn-mini {
  padding: 8px 18px;
  background: var(--seal);
  color: #fffdf6;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-mini:hover {
  background: var(--seal-deep);
}

.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 6px;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.admin-table th {
  color: var(--ink-3);
  font-weight: 600;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.admin-table .mono {
  font-family: var(--mono);
  color: var(--ink);
  font-weight: 600;
}

.admin-edit {
  color: var(--seal);
  cursor: pointer;
}

.admin-del {
  color: var(--ink-3);
  cursor: pointer;
}

.admin-del:hover {
  color: var(--seal);
}

.form-item-top {
  align-items: flex-start;
}

.form-item-top .form-label {
  padding-top: 8px;
}

.form-item textarea.form-input {
  width: 100%;
  resize: vertical;
  font-size: 13px;
  line-height: 1.6;
  font-family: inherit;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
}

.form-item select.form-input {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 8px;
}

.admin-login-link {
  color: var(--seal);
  font-size: 14px;
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}