/* =========================================================
   没节操导航 · 简洁版（移动 / PC 自适应）
   设计令牌与主站 css/app.css 对齐：冷调科技绿 / 浅深主题 /
   毛玻璃统一 blur(30px) saturate(220%) brightness(1.02)
   浅色浮层渐变不透明度：顶 .97 / 中 .94 / 底 .96
   ========================================================= */

/* ===== 设计令牌（浅色） ===== */
:root {
  --bg: #edf3f3;
  --surface: #f6f9f9;
  --surface-raised: #fbfdfd;
  --surface-2: #e5eeee;
  --border: rgba(30, 70, 69, 0.09);
  --border-strong: rgba(30, 70, 69, 0.17);
  --text: #172322;
  --text-soft: #526463;
  --text-mute: #819392;
  --accent: #07c160;
  --accent-press: #06ad56;
  --accent-weak: rgba(7, 193, 96, 0.1);
  --accent-ink: #057a3d;
  --on-accent: #05271d;
  --danger: #f4504d;
  --danger-press: #e23c39;
  --danger-weak: rgba(244, 80, 77, 0.12);

  /* 全站统一毛玻璃参数 */
  --glass-effect: blur(30px) saturate(220%) brightness(1.02);
  /* 浅色毛玻璃纵向渐变：顶 .97 / 中 .94 / 底 .96，保证文字清晰 */
  --bar-glass-bg: linear-gradient(
    180deg,
    rgba(247, 251, 250, 0.97) 0%,
    rgba(247, 251, 250, 0.94) 52%,
    rgba(247, 251, 250, 0.96) 100%
  );
  --sheet-glass-bg: linear-gradient(
    180deg,
    rgba(249, 252, 251, 0.97) 0%,
    rgba(246, 250, 249, 0.94) 52%,
    rgba(241, 247, 246, 0.96) 100%
  );
  --glass-border: rgba(255, 255, 255, 0.72);
  --glass-shadow: 0 12px 32px -18px rgba(15, 40, 38, 0.45);

  --fav-glass: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.82),
    rgba(234, 247, 241, 0.34)
  );
  --fav-glass-border: rgba(255, 255, 255, 0.78);
  --fav-tile: linear-gradient(155deg, #f4f9f8 0%, #e1ecea 100%);
  --fav-glass-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    inset 0 -1px 0 rgba(7, 193, 96, 0.06),
    0 7px 16px -10px rgba(9, 74, 45, 0.34),
    0 14px 28px -17px rgba(7, 193, 96, 0.24);

  --r-sm: 8px;
  --r: 14px;
  --r-lg: 20px;
  --r-pill: 999px;

  --ease: cubic-bezier(0.23, 1, 0.32, 1);
  --sans:
    "LXGW WenKai Screen", "LXGW WenKai", "Microsoft YaHei", "PingFang SC",
    sans-serif;
}

/* ===== 深色（显式） ===== */
:root[data-theme="dark"] {
  --bg: #0d0f13;
  --surface: #14171d;
  --surface-raised: #111820;
  --surface-2: #232833;
  --border: rgba(255, 255, 255, 0.07);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: #e8eaee;
  --text-soft: #a3abb8;
  --text-mute: #7c8593;
  --accent: #07c160;
  --accent-press: #20cc73;
  --accent-weak: rgba(7, 193, 96, 0.14);
  --accent-ink: #35d783;
  --on-accent: #0c1a13;
  --danger: #ff5b57;
  --danger-press: #ff6d6a;
  --danger-weak: rgba(255, 91, 87, 0.16);

  --bar-glass-bg: linear-gradient(
    180deg,
    rgba(20, 24, 31, 0.86) 0%,
    rgba(17, 20, 27, 0.82) 52%,
    rgba(15, 18, 24, 0.85) 100%
  );
  --sheet-glass-bg: linear-gradient(
    180deg,
    rgba(24, 28, 36, 0.9) 0%,
    rgba(19, 22, 29, 0.88) 52%,
    rgba(16, 19, 25, 0.9) 100%
  );
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 12px 32px -16px rgba(0, 0, 0, 0.8);

  --fav-glass: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.11),
    rgba(255, 255, 255, 0.035)
  );
  --fav-glass-border: rgba(255, 255, 255, 0.13);
  --fav-tile: linear-gradient(155deg, #2a303c 0%, #171b22 100%);
  --fav-glass-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.13), inset 0 -1px 0 rgba(0, 0, 0, 0.18),
    0 8px 20px -12px rgba(0, 0, 0, 0.8),
    0 14px 28px -20px rgba(7, 193, 96, 0.26);
}

/* ===== 深色（跟随系统） ===== */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="dark"]) {
    --bg: #0d0f13;
    --surface: #14171d;
    --surface-raised: #111820;
    --surface-2: #232833;
    --border: rgba(255, 255, 255, 0.07);
    --border-strong: rgba(255, 255, 255, 0.15);
    --text: #e8eaee;
    --text-soft: #a3abb8;
    --text-mute: #7c8593;
    --accent: #07c160;
    --accent-press: #20cc73;
    --accent-weak: rgba(7, 193, 96, 0.14);
    --accent-ink: #35d783;
    --on-accent: #0c1a13;
    --danger: #ff5b57;
    --danger-press: #ff6d6a;
    --danger-weak: rgba(255, 91, 87, 0.16);

    --bar-glass-bg: linear-gradient(
      180deg,
      rgba(20, 24, 31, 0.86) 0%,
      rgba(17, 20, 27, 0.82) 52%,
      rgba(15, 18, 24, 0.85) 100%
    );
    --sheet-glass-bg: linear-gradient(
      180deg,
      rgba(24, 28, 36, 0.9) 0%,
      rgba(19, 22, 29, 0.88) 52%,
      rgba(16, 19, 25, 0.9) 100%
    );
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 12px 32px -16px rgba(0, 0, 0, 0.8);

    --fav-glass: linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.11),
      rgba(255, 255, 255, 0.035)
    );
    --fav-glass-border: rgba(255, 255, 255, 0.13);
    --fav-tile: linear-gradient(155deg, #2a303c 0%, #171b22 100%);
    --fav-glass-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.13),
      inset 0 -1px 0 rgba(0, 0, 0, 0.18), 0 8px 20px -12px rgba(0, 0, 0, 0.8),
      0 14px 28px -20px rgba(7, 193, 96, 0.26);
  }
}

/* ===== 基础重置 ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html,
body,
ul,
p,
h2,
h3,
form {
  margin: 0;
  padding: 0;
}
li {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
}
img,
input,
button {
  border: 0;
  outline: 0;
}
button {
  font: inherit;
  cursor: pointer;
  background: none;
  color: inherit;
}
input {
  font: inherit;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(
      120% 42% at 50% -6%,
      rgba(7, 193, 96, 0.1),
      transparent 70%
    ),
    radial-gradient(90% 36% at 100% 0%, rgba(7, 193, 96, 0.06), transparent 60%);
  background-repeat: no-repeat;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition:
    background-color 0.3s var(--ease),
    color 0.3s var(--ease);
}

body[data-edit="true"] {
  overflow: hidden;
}
body[data-edit="true"] .m-main {
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

/* ===== 顶栏 ===== */
.m-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: env(safe-area-inset-top);
  background: var(--bar-glass-bg);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: var(--glass-effect);
  backdrop-filter: var(--glass-effect);
}

.m-header-inner {
  max-width: 680px;
  margin: 0 auto;
  height: 52px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.m-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.m-brand-mark {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent);
  color: #f2fff6;
  font-family: "ZCOOL KuaiLe", var(--sans);
  font-size: 19px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.35),
    0 4px 10px -4px rgba(5, 122, 61, 0.55);
}

.m-brand-word {
  font-family: "ZCOOL KuaiLe", var(--sans);
  font-size: 19px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.m-header-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.m-icon-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--r-pill);
  color: var(--text-soft);
  font-size: 15px;
  border: 1px solid var(--border);
  background: transparent;
  transition:
    color 0.16s var(--ease),
    background 0.16s var(--ease);
}
.m-icon-btn:active {
  background: var(--surface-2);
  color: var(--accent-ink);
}

.m-edit-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 34px;
  padding: 0 14px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-ink);
  border: 1px solid rgba(7, 193, 96, 0.35);
  background: var(--accent-weak);
  transition:
    background 0.18s var(--ease),
    color 0.18s var(--ease),
    transform 0.18s var(--ease);
}
.m-edit-btn:active {
  transform: scale(0.96);
}
.m-edit-ico-done {
  display: none;
}
body[data-edit="true"] .m-edit-btn {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent);
}
body[data-edit="true"] .m-edit-ico-edit {
  display: none;
}
body[data-edit="true"] .m-edit-ico-done {
  display: inline-block;
}

/* ===== 主体 ===== */
.m-main {
  max-width: 680px;
  margin: 0 auto;
  padding: 28px 14px 34px;
  height: calc(100dvh - 52px);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ===== 搜索 ===== */
.m-search {
  position: relative;
  width: 100%;
  margin-block: auto;
}

.m-search-box {
  position: relative;
}

.m-search-bar {
  display: flex;
  align-items: stretch;
  width: 100%;
  height: 52px;
  border-radius: 16px;
  border: 1px solid rgba(30, 70, 69, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), transparent 55%),
    var(--fav-glass);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 -1px 0 rgba(7, 193, 96, 0.04) inset,
    0 12px 32px -18px rgba(9, 74, 45, 0.35),
    0 2px 6px -2px rgba(9, 74, 45, 0.12);
  -webkit-backdrop-filter: var(--glass-effect);
  backdrop-filter: var(--glass-effect);
  transition:
    border-color 0.18s var(--ease),
    box-shadow 0.22s var(--ease),
    transform 0.18s var(--ease);
}
.m-search-bar.focus {
  border-color: rgba(7, 193, 96, 0.55);
  box-shadow:
    0 0 0 4px var(--accent-weak),
    0 1px 0 rgba(255, 255, 255, 0.92) inset,
    0 14px 36px -16px rgba(7, 193, 96, 0.35),
    0 2px 8px -2px rgba(9, 74, 45, 0.18);
  transform: translateY(-1px);
}

.m-engine-trigger {
  flex: 0 0 auto;
  position: relative;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 14px 0 16px;
  color: var(--text);
  white-space: nowrap;
  cursor: pointer;
}
.m-engine-trigger::after {
  content: "";
  position: absolute;
  right: 0;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(30, 70, 69, 0.18) 25%,
    rgba(30, 70, 69, 0.18) 75%,
    transparent
  );
}
.m-engine-name {
  font-size: 14px;
  font-weight: 600;
  max-width: 76px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.m-engine-caret {
  font-size: 9px;
  color: var(--text-mute);
  transition:
    transform 0.2s var(--ease),
    color 0.16s var(--ease);
}
.m-engine-trigger[aria-expanded="true"] .m-engine-caret {
  transform: rotate(180deg);
  color: var(--accent-ink);
}

.m-search-field {
  position: relative;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}
.m-search-leading {
  position: absolute;
  left: 14px;
  font-size: 14px;
  color: var(--text-mute);
  opacity: 0.7;
  pointer-events: none;
  transition:
    color 0.16s var(--ease),
    opacity 0.16s var(--ease);
}
.m-search-bar.focus .m-search-leading {
  color: var(--accent-ink);
  opacity: 0.85;
}
#search-input {
  width: 100%;
  height: 100%;
  padding: 0 42px 0 38px;
  font-size: 16px;
  color: var(--text);
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  touch-action: manipulation;
}
#search-input::placeholder {
  color: var(--text-mute);
}
input[type="search"]::-webkit-search-cancel-button {
  display: none;
}
.m-search-clear {
  position: absolute;
  right: 8px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--text-mute);
  font-size: 12px;
}
.m-search-clear:active {
  background: var(--surface-2);
  color: var(--accent-ink);
}

.m-search-submit {
  flex: 0 0 auto;
  width: 56px;
  margin: 4px;
  border-radius: 12px;
  background: linear-gradient(180deg, var(--accent) 0%, #06a552 100%);
  color: var(--on-accent);
  display: grid;
  place-items: center;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    0 6px 16px -8px rgba(5, 122, 61, 0.6);
  transition:
    background 0.16s var(--ease),
    box-shadow 0.16s var(--ease),
    transform 0.12s var(--ease);
}
.m-search-submit:active {
  background: var(--accent-press);
  transform: scale(0.96);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 2px 6px -2px rgba(5, 122, 61, 0.4);
}

/* 引擎面板 / 建议 浮层 */
.m-engine-panel,
.m-suggest {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 40;
  border-radius: var(--r);
  background: var(--sheet-glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  -webkit-backdrop-filter: var(--glass-effect);
  backdrop-filter: var(--glass-effect);
  overflow: hidden;
}
.m-engine-panel {
  padding: 10px 12px 12px;
  max-height: 56vh;
  overflow-y: auto;
}
.m-engine-cat {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  padding: 8px 4px 6px;
}
.m-engine-cat:first-child {
  padding-top: 2px;
}
.m-engine-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.m-engine-chip {
  padding: 6px 13px;
  border-radius: var(--r-pill);
  font-size: 13px;
  color: var(--text-soft);
  border: 1px solid var(--border);
  background: transparent;
  transition:
    background 0.15s var(--ease),
    color 0.15s var(--ease),
    border-color 0.15s var(--ease);
}
.m-engine-chip.active {
  color: var(--accent-ink);
  border-color: rgba(7, 193, 96, 0.45);
  background: var(--accent-weak);
  font-weight: 600;
}

.m-suggest ul {
  padding: 4px 0;
  max-height: 46vh;
  overflow-y: auto;
}
.m-sg-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 11px 14px;
  font-size: 14px;
  color: var(--text-soft);
  text-align: left;
}
.m-sg-item:active {
  background: var(--accent-weak);
}
.m-sg-ico {
  width: 16px;
  text-align: center;
  color: var(--text-mute);
  font-size: 12px;
  flex: 0 0 auto;
}
.m-sg-item.is-mark .m-sg-ico {
  color: var(--accent-ink);
}
.m-sg-text {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.m-sg-item mark {
  color: var(--accent-ink);
  background: none;
}
.m-sg-del {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  color: var(--text-mute);
  display: grid;
  place-items: center;
}
.m-sg-del:active {
  background: var(--danger-weak);
  color: var(--danger);
}

/* ===== 分区标题 ===== */
.m-fav {
  width: 100%;
  margin-top: 0;
  margin-bottom: auto;
}
.m-section-head {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 0 4px 10px;
}
.m-section-head h2 {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  display: flex;
  align-items: center;
}
.m-section-head h2::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.m-fav-count {
  font-size: 12px;
  color: var(--text-mute);
}

/* ===== 书签网格 ===== */
.m-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
  gap: 4px 2px;
}

.grid-item {
  position: relative;
}

.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 10px 2px 9px;
  border-radius: var(--r-sm);
  color: var(--text-soft);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}
.tile:active {
  background: var(--accent-weak);
}

.tile-ico {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  border: 1px solid var(--fav-glass-border);
  background: var(--fav-glass);
  box-shadow: var(--fav-glass-shadow);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.tile-ico img {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  object-fit: cover;
  background: var(--fav-tile);
}
.tile-letter {
  display: none;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-ink);
}
.grid-item.no-icon .tile-ico img {
  display: none;
}
.grid-item.no-icon .tile-letter {
  display: block;
}
.grid-item.no-icon .tile-ico {
  background: var(--accent-weak);
}

.tile-name {
  max-width: 68px;
  font-size: 12px;
  line-height: 1.35;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* 删除角标（编辑态） */
.tile-del {
  position: absolute;
  top: 1px;
  left: calc(50% + 13px);
  z-index: 5;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  display: none;
  place-items: center;
  background: var(--danger);
  color: #fff;
  font-size: 15px;
  line-height: 1;
  box-shadow:
    0 2px 6px rgba(226, 60, 57, 0.5),
    0 0 0 2px var(--bg);
  -webkit-tap-highlight-color: transparent;
}
.tile-del:active {
  background: var(--danger-press);
  transform: scale(0.9);
}

/* 添加磁贴（编辑态） */
.grid-item-add {
  display: none;
}
.tile-add .tile-ico {
  border-style: dashed;
  border-color: var(--border-strong);
  background: transparent;
  box-shadow: none;
  color: var(--text-mute);
  font-size: 20px;
}
.tile-add:active .tile-ico {
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* ===== 编辑态：iOS 桌面图标式抖动 ===== */
body[data-edit="true"] .tile {
  /* 抖动由各磁贴 CSS 变量微调，避免整齐划一 */
  animation: m-jiggle var(--jdur, 0.24s) ease-in-out var(--jdelay, 0s) infinite
    alternate;
}
body[data-edit="true"] .tile-del {
  display: grid;
  animation: m-badge-pop 0.22s var(--ease) both;
}
body[data-edit="true"] .grid-item-add {
  display: block;
}
body[data-edit="true"] .grid-item-add .tile {
  animation: m-add-pulse 1.4s ease-in-out infinite;
}

@keyframes m-jiggle {
  0% {
    transform: rotate(-1.7deg) translateY(0);
  }
  100% {
    transform: rotate(1.5deg) translateY(-1.5px);
  }
}
@keyframes m-badge-pop {
  0% {
    transform: scale(0);
  }
  70% {
    transform: scale(1.18);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes m-add-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(0.92);
  }
}

.m-edit-hint {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 12px 4px 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-mute);
}
.m-edit-hint > p {
  margin: 0;
  display: flex;
  align-items: flex-start;
  gap: 7px;
}
.m-edit-hint i {
  margin-top: 3px;
  color: var(--accent-ink);
}
.m-edit-data {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--r);
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.m-edit-data-note {
  flex: 1;
  min-width: 180px;
  font-size: 12px;
  color: var(--text-mute);
}
.m-edit-data-note b {
  color: var(--text-soft);
  font-weight: 600;
}
.m-edit-data-note b::before {
  content: "";
}
.m-edit-io {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 28px;
  padding: 0 12px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--border-strong);
  background: var(--surface-raised);
  color: var(--text-soft);
  transition:
    background 0.15s var(--ease),
    color 0.15s var(--ease);
}

/* ===== 页脚 ===== */
.m-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-mute);
}
.m-footer a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-soft);
}
.m-footer a:active {
  color: var(--accent-ink);
}
.m-footer-dot {
  color: var(--border-strong);
}

/* ===== 遮罩 / 底部编辑卡 ===== */
.m-mask {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(10, 18, 17, 0.42);
  opacity: 0;
  transition: opacity 0.28s var(--ease);
}
.m-mask.show {
  opacity: 1;
}

.m-sheet {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  max-width: 680px;
  margin: 0 auto;
  padding: 8px 18px calc(18px + env(safe-area-inset-bottom));
  border-radius: 22px 22px 0 0;
  background: var(--sheet-glass-bg);
  border: 1px solid var(--glass-border);
  border-bottom: 0;
  box-shadow: 0 -18px 60px -22px rgba(0, 0, 0, 0.55);
  -webkit-backdrop-filter: var(--glass-effect);
  backdrop-filter: var(--glass-effect);
  transform: translateY(108%);
  transition: transform 0.34s var(--ease);
}
.m-sheet.show {
  transform: translateY(0);
}
.m-sheet-handle {
  width: 38px;
  height: 4px;
  margin: 4px auto 10px;
  border-radius: var(--r-pill);
  background: var(--border-strong);
}
.m-sheet-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}

.m-field {
  display: block;
  margin-bottom: 12px;
}
.m-field-label {
  display: block;
  font-size: 12px;
  color: var(--text-mute);
  margin: 0 2px 6px;
}
.m-field input {
  width: 100%;
  height: 46px;
  padding: 0 13px;
  border-radius: 12px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 16px;
  transition:
    border-color 0.16s var(--ease),
    box-shadow 0.16s var(--ease);
}
.m-field input:focus {
  border-color: var(--accent-ink);
  box-shadow: 0 0 0 4px var(--accent-weak);
}
.m-field input::placeholder {
  color: var(--text-mute);
}

.m-icon-row {
  display: flex;
  gap: 8px;
}
.m-icon-row input {
  flex: 1;
  min-width: 0;
}

.m-icon-preview {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 2px 2px 4px;
}
.m-preview-box {
  width: 44px;
  height: 44px;
  flex: 0 0 auto;
  border-radius: 13px;
  border: 1px solid var(--fav-glass-border);
  background: var(--accent-weak);
  display: grid;
  place-items: center;
  overflow: hidden;
}
.m-preview-box img {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
}
.m-preview-letter {
  font-size: 19px;
  font-weight: 700;
  color: var(--accent-ink);
}
.m-preview-text {
  font-size: 12px;
  color: var(--text-mute);
}

.m-sheet-tip {
  margin: 2px 2px 0;
  font-size: 12px;
}
.m-sheet-tip a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent-ink);
}

.m-sheet-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}
.m-sheet-left,
.m-sheet-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.m-sheet-right {
  margin-left: auto;
}
.m-move-group {
  display: flex;
  gap: 6px;
}

/* 按钮 */
.m-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  height: 40px;
  padding: 0 16px;
  border-radius: var(--r-pill);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
  transition:
    background 0.16s var(--ease),
    color 0.16s var(--ease),
    border-color 0.16s var(--ease),
    transform 0.12s var(--ease);
}
.m-btn:active {
  transform: scale(0.96);
}
.m-btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}
.m-btn-primary:active {
  background: var(--accent-press);
}
.m-btn-ghost {
  background: var(--surface-2);
  color: var(--text-soft);
}
.m-btn-danger {
  color: var(--danger);
  border-color: rgba(244, 80, 77, 0.35);
  background: var(--danger-weak);
}
.m-btn-danger-solid {
  background: var(--danger);
  color: #fff;
}
.m-btn-danger-solid:active {
  background: var(--danger-press);
}
.m-btn-square {
  width: 40px;
  padding: 0;
  background: var(--surface-2);
  color: var(--text-soft);
}

/* ===== 删除确认弹窗 ===== */
.m-mask-confirm {
  z-index: 110;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 32px;
}
.m-confirm {
  width: 100%;
  max-width: 300px;
  border-radius: var(--r-lg);
  background: var(--sheet-glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: var(--glass-effect);
  backdrop-filter: var(--glass-effect);
  padding: 22px 18px 16px;
  transform: scale(0.92);
  transition: transform 0.22s var(--ease);
}
.m-mask-confirm.show .m-confirm {
  transform: scale(1);
}
.m-confirm-text {
  font-size: 15px;
  text-align: center;
  margin-bottom: 18px;
}
.m-confirm-actions {
  display: flex;
  gap: 10px;
}
.m-confirm-actions .m-btn {
  flex: 1;
}

/* ===== Toast ===== */
.m-toast {
  position: fixed;
  left: 50%;
  bottom: calc(36px + env(safe-area-inset-bottom));
  z-index: 120;
  max-width: 82vw;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  background: rgba(20, 24, 22, 0.88);
  color: #f4faf7;
  font-size: 13px;
  text-align: center;
  box-shadow: 0 12px 30px -12px rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition:
    opacity 0.22s var(--ease),
    transform 0.22s var(--ease);
}
.m-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ===== 减弱动效 ===== */
@media (prefers-reduced-motion: reduce) {
  body[data-edit="true"] .tile,
  body[data-edit="true"] .grid-item-add .tile,
  .tile-del {
    animation: none !important;
  }
}

/* =========================================================
   PC / 平板适配：同一套页面作为「清爽版」桌面导航使用
   仅调整布局与视觉密度，不改变任何功能与交互逻辑
   ========================================================= */

/* ===== 鼠标设备：悬停反馈（触屏 :active 逻辑保持不变） ===== */
@media (hover: hover) and (pointer: fine) {
  .m-icon-btn:hover {
    background: var(--surface-2);
    color: var(--accent-ink);
  }
  .m-edit-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--on-accent);
  }
  body[data-edit="true"] .m-edit-btn:hover {
    background: var(--accent-press);
  }
  .m-search-bar:hover {
    border-color: rgba(7, 193, 96, 0.25);
    box-shadow:
      0 1px 0 rgba(255, 255, 255, 0.92) inset,
      0 -1px 0 rgba(7, 193, 96, 0.05) inset,
      0 14px 34px -18px rgba(9, 74, 45, 0.42),
      0 2px 8px -2px rgba(9, 74, 45, 0.16);
  }
  .m-search-submit:hover {
    background: linear-gradient(180deg, #08cf70 0%, #06a552 100%);
    box-shadow:
      inset 0 1px 0 rgba(255, 255, 255, 0.35),
      0 8px 20px -8px rgba(5, 122, 61, 0.65);
    transform: translateY(-1px);
  }
  .m-search-clear:hover {
    background: var(--surface-2);
    color: var(--accent-ink);
  }
  .m-engine-trigger:hover {
    background: var(--accent-weak);
  }
  .m-engine-trigger:hover .m-engine-caret {
    color: var(--accent-ink);
  }
  .m-engine-chip:hover {
    color: var(--accent-ink);
    border-color: rgba(7, 193, 96, 0.45);
    background: var(--accent-weak);
  }
  .m-sg-item:hover {
    background: var(--accent-weak);
  }
  .m-sg-del:hover {
    background: var(--danger-weak);
    color: var(--danger);
  }
  .m-footer a:hover {
    color: var(--accent-ink);
  }
  .m-btn-primary:hover {
    background: var(--accent-press);
  }
  .m-btn-ghost:hover,
  .m-btn-square:hover {
    background: var(--border-strong);
  }
  .m-btn-danger:hover {
    background: rgba(244, 80, 77, 0.2);
  }
  .m-btn-danger-solid:hover {
    background: var(--danger-press);
  }
  .tile-del:hover {
    background: var(--danger-press);
    transform: scale(1.12);
  }

  /* 非编辑态：磁贴悬浮轻微抬升 */
  body:not([data-edit="true"]) .tile {
    transition:
      background 0.16s var(--ease),
      transform 0.16s var(--ease);
  }
  body:not([data-edit="true"]) .tile:hover {
    background: var(--accent-weak);
    transform: translateY(-2px);
  }
  body:not([data-edit="true"]) .tile:hover .tile-ico {
    box-shadow:
      var(--fav-glass-shadow),
      0 10px 22px -12px rgba(5, 122, 61, 0.45);
  }
  .tile-add .tile-ico:hover {
    border-color: var(--accent);
    color: var(--accent-ink);
  }
}

/* ===== ≥768px：平板横屏 / 桌面清爽版 ===== */
@media (min-width: 768px) {
  .m-header-inner {
    max-width: 1060px;
    height: 60px;
    padding: 0 28px;
  }
  .m-brand-mark {
    width: 32px;
    height: 32px;
    font-size: 20px;
  }
  .m-brand-word {
    font-size: 20px;
  }

  .m-main {
    max-width: 1060px;
    padding: 56px 28px 46px;
    height: calc(100dvh - 60px);
    gap: 28px;
  }

  /* 搜索 PC 端放宽，纵向由 flex auto margin 居中 */
  .m-search {
    max-width: 820px;
    margin-inline: auto;
  }
  .m-search-bar {
    height: 52px;
  }
  .m-search-submit {
    width: 58px;
  }
  .m-engine-panel {
    max-height: 60vh;
  }
  .m-suggest ul {
    max-height: 52vh;
  }

  .m-fav {
    max-width: 980px;
    margin-inline: auto;
  }
  .m-section-head {
    padding: 0 6px 14px;
  }

  /* 桌面端更舒展的磁贴网格 */
  .m-grid {
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: 14px 6px;
  }
  .tile {
    gap: 8px;
    padding: 12px 4px 11px;
    border-radius: var(--r);
  }
  .tile-ico {
    width: 54px;
    height: 54px;
    border-radius: 17px;
  }
  .tile-ico img {
    width: 46px;
    height: 46px;
    border-radius: 13px;
  }
  .tile-letter {
    font-size: 23px;
  }
  .tile-name {
    max-width: 86px;
    font-size: 13px;
  }
  .tile-del {
    top: 3px;
    left: calc(50% + 16px);
    width: 22px;
    height: 22px;
    font-size: 16px;
  }

  .m-edit-hint {
    justify-content: center;
    margin-top: 16px;
  }

  .m-footer {
    margin-top: 0;
  }

  /* 底部上滑卡 → 居中弹窗 */
  .m-sheet {
    top: 50%;
    left: 50%;
    right: auto;
    bottom: auto;
    margin: 0;
    width: calc(100% - 48px);
    max-width: 460px;
    max-height: 92vh;
    overflow-y: auto;
    padding: 20px 22px 22px;
    border: 1px solid var(--glass-border);
    border-radius: var(--r-lg);
    box-shadow: 0 28px 70px -24px rgba(0, 0, 0, 0.6);
    transform: translate(-50%, -46%) scale(0.96);
  }
  .m-sheet.show {
    transform: translate(-50%, -50%) scale(1);
  }
  .m-sheet-handle {
    display: none;
  }
  .m-mask {
    background: rgba(10, 18, 17, 0.46);
  }
  .m-confirm {
    max-width: 320px;
  }
  .m-toast {
    max-width: 420px;
    bottom: 12%;
  }
}

/* ===== ≥1200px：大屏再放宽一档 ===== */
@media (min-width: 1200px) {
  .m-header-inner,
  .m-main {
    max-width: 1180px;
  }
  .m-fav {
    max-width: 1080px;
  }
  .m-grid {
    grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
    gap: 16px 8px;
  }
}