/* ============================================================================
   Liquid Glass Primitive Layer
   玻璃原语层：面板 / 按钮 / 表单 / 表格 / 标签 / 分段控件 / 弹层 / 反馈
   依赖 tokens.css
   ========================================================================== */

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

html.glass-root,
body.glass-body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.55;
  color: var(--t1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-variant-numeric: tabular-nums;
  background: transparent;
}

/* ============================================================================
   1. 玻璃基元
   ========================================================================== */

/* 主面板：卡片、弹窗、侧栏 */
.glass,
.glass-1 {
  position: relative;
  background: linear-gradient(180deg,
              color-mix(in srgb, var(--g1) 100%, transparent) 0%,
              color-mix(in srgb, var(--g2) 100%, transparent) 100%);
  -webkit-backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  border: 1px solid var(--edge);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-glass);
  isolation: isolate;
}

/* 顶部高光丝：让玻璃有「厚度」 */
.glass::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 50%;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0));
  opacity: 0.9;
  mix-blend-mode: screen;
  z-index: 0;
}
.glass > * { position: relative; z-index: 1; }

/* 次级玻璃 */
.glass-2 {
  position: relative;
  background: var(--g2);
  -webkit-backdrop-filter: blur(var(--blur-s)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-s)) saturate(var(--sat));
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-md);
  box-shadow: inset 0 1px 0 var(--hairline-top), var(--sh-1);
}

/* 容器玻璃：最淡，用来包裹一组卡片 */
.glass-3 {
  background: var(--g3);
  -webkit-backdrop-filter: blur(var(--blur-xs)) saturate(150%);
  backdrop-filter: blur(var(--blur-xs)) saturate(150%);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-xl);
}

/* 内凹玻璃：输入框、进度槽、表格头部 */
.glass-inset {
  background: rgba(255, 255, 255, 0.30);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-inner), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

/* 悬浮/选中态：抬起 */
.lift { transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.lift:hover { transform: translateY(-2px); box-shadow: var(--sh-glass-lg); }
.lift:active { transform: translateY(0) scale(0.995); }

/* 卡片：玻璃 + 悬浮高光扫过 */
.card {
  position: relative;
  padding: var(--sp-5);
  overflow: hidden;
  background: linear-gradient(180deg, var(--g1), var(--g2));
  -webkit-backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  border: 1px solid var(--edge);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-glass);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 46%;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent);
}
.card::after {
  /* 斜向高光，hover 时扫过 */
  content: "";
  position: absolute;
  top: -60%;
  left: -30%;
  width: 40%;
  height: 220%;
  pointer-events: none;
  opacity: 0;
  transform: rotate(18deg) translateX(-40%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.72), transparent);
  transition: opacity var(--dur) var(--ease), transform var(--dur-slow) var(--ease);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--sh-glass-lg); }
.card:hover::after { opacity: 0.9; transform: rotate(18deg) translateX(360%); }
.card > * { position: relative; z-index: 1; }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  margin: calc(var(--sp-1) * -1) 0 var(--sp-4);
}
.card-title {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 14px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--t1);
}
.card-title .i-emoji { font-size: 15px; }
.card-sub { font-size: 12px; color: var(--t3); font-weight: 400; }

/* ============================================================================
   2. 按钮
   ========================================================================== */
.btn {
  --btn-h: 34px;
  --btn-px: 14px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: var(--btn-h);
  padding: 0 var(--btn-px);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--t1);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  border: 1px solid var(--edge);
  border-radius: var(--r-pill);
  overflow: hidden;
  -webkit-backdrop-filter: blur(var(--blur-s)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-s)) saturate(var(--sat));
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.58));
  box-shadow: inset 0 1px 0 var(--hairline-top), var(--sh-1);
  transition: transform var(--dur-fast) var(--spring),
              box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease),
              filter var(--dur) var(--ease);
}
.btn::before {
  content: "";
  position: absolute;
  inset: 0 0 52% 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.6), rgba(255, 255, 255, 0));
}
.btn:hover { box-shadow: inset 0 1px 0 var(--hairline-top), var(--sh-2); filter: saturate(1.1); }
.btn:active { transform: scale(0.965); }
.btn:focus-visible { outline: 2px solid color-mix(in srgb, var(--blue) 70%, white); outline-offset: 2px; }
.btn:disabled,
.btn[aria-disabled="true"] { opacity: 0.45; pointer-events: none; }
.btn > * { position: relative; z-index: 1; }

/* 主按钮：渐变 + 玻璃光泽 */
.btn-primary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.38);
  background: var(--grad-blue);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55),
              0 1px 2px rgba(0, 60, 140, 0.24),
              0 10px 24px -10px rgba(10, 132, 255, 0.72);
}
.btn-primary:hover { filter: brightness(1.06) saturate(1.08); }
.btn-iris   { color: #fff; border-color: rgba(255,255,255,.36); background: var(--grad-iris);
              box-shadow: inset 0 1px 0 rgba(255,255,255,.5), 0 10px 24px -10px rgba(94,92,230,.7); }
.btn-mint   { color: #04321A; border-color: rgba(255,255,255,.4); background: var(--grad-mint);
              box-shadow: inset 0 1px 0 rgba(255,255,255,.6), 0 10px 24px -10px rgba(48,209,88,.6); }
.btn-danger { color: #fff; border-color: rgba(255,255,255,.36); background: var(--grad-rose);
              box-shadow: inset 0 1px 0 rgba(255,255,255,.5), 0 10px 24px -10px rgba(255,55,95,.6); }

/* 幽灵按钮 */
.btn-ghost {
  color: var(--t2);
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}
.btn-ghost::before { display: none; }
.btn-ghost:hover {
  color: var(--t1);
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--hairline-soft);
}

.btn-xs { --btn-h: 26px; --btn-px: 10px; font-size: 12px; border-radius: var(--r-pill); }
.btn-sm { --btn-h: 30px; --btn-px: 12px; font-size: 12.5px; }
.btn-lg { --btn-h: 44px; --btn-px: 22px; font-size: 14.5px; border-radius: var(--r-pill); }
.btn-block { display: flex; width: 100%; }

/* 图标按钮 */
.btn-icon { width: var(--btn-h); padding: 0; }

/* ============================================================================
   3. 表单控件
   ========================================================================== */
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--t2);
  letter-spacing: 0.01em;
}
.field-label .req { color: var(--red); margin-left: 2px; }
.field-hint { font-size: 11.5px; color: var(--t4); }
.field-err { font-size: 11.5px; color: var(--red); }

.input,
.select,
.textarea {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  font-family: inherit;
  font-size: 13px;
  color: var(--t1);
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-inner), inset 0 1px 0 rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: blur(var(--blur-xs));
  backdrop-filter: blur(var(--blur-xs));
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
              background var(--dur) var(--ease);
  appearance: none;
}
.textarea { height: auto; padding: 9px 12px; line-height: 1.6; resize: vertical; }
.input::placeholder, .textarea::placeholder { color: var(--t4); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--hairline); background: rgba(255,255,255,.55); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.72);
  border-color: color-mix(in srgb, var(--blue) 55%, white);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 18%, transparent),
              inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.input:disabled, .select:disabled { opacity: .55; cursor: not-allowed; }

.select {
  padding-right: 30px;
  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='M2.6 4.4 6 7.8l3.4-3.4' fill='none' stroke='%236B7688' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
}

/* 输入组：图标 + 输入 + 后缀 */
.input-group {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-sm);
  box-shadow: var(--sh-inner);
  transition: border-color var(--dur), box-shadow var(--dur), background var(--dur);
}
.input-group:focus-within {
  background: rgba(255, 255, 255, 0.74);
  border-color: color-mix(in srgb, var(--blue) 55%, white);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 18%, transparent);
}
.input-group > input {
  flex: 1;
  min-width: 0;
  height: 100%;
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  outline: none;
}
.input-group .ig-icon { color: var(--t4); font-size: 14px; line-height: 1; }

/* 搜索框（苹果风胶囊） */
.search {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-pill);
  box-shadow: var(--sh-inner);
  transition: box-shadow var(--dur), background var(--dur), border-color var(--dur);
}
.search:focus-within {
  background: rgba(255, 255, 255, 0.8);
  border-color: color-mix(in srgb, var(--blue) 45%, white);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--blue) 16%, transparent), var(--sh-1);
}
.search input { flex: 1; min-width: 0; font: inherit; background: none; border: 0; outline: none; color: inherit; }
.search kbd {
  padding: 1px 6px;
  font-family: var(--font);
  font-size: 10.5px;
  color: var(--t4);
  background: rgba(255,255,255,.6);
  border: 1px solid var(--hairline-soft);
  border-radius: 6px;
}

/* 开关 */
.switch {
  position: relative;
  display: inline-flex;
  flex: none;
  width: 42px;
  height: 25px;
  cursor: pointer;
}
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch .track {
  flex: 1;
  border-radius: var(--r-pill);
  background: rgba(120, 130, 150, 0.28);
  border: 1px solid var(--hairline-soft);
  box-shadow: var(--sh-inner);
  transition: background var(--dur) var(--ease);
}
.switch .thumb {
  position: absolute;
  top: 2.5px;
  left: 2.5px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 1px rgba(0,0,0,.10), 0 2px 6px rgba(16,24,40,.22);
  transition: transform var(--dur) var(--spring);
}
.switch input:checked ~ .track { background: var(--grad-mint); }
.switch input:checked ~ .thumb { transform: translateX(17px); }

/* 复选/单选 */
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; user-select: none; }
.check input { position: absolute; opacity: 0; }
.check .box {
  display: grid;
  place-items: center;
  width: 17px; height: 17px;
  flex: none;
  background: rgba(255,255,255,.6);
  border: 1.5px solid var(--hairline);
  border-radius: 5px;
  box-shadow: var(--sh-inner);
  transition: all var(--dur) var(--ease);
}
.check .box::after {
  content: "";
  width: 9px; height: 5px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg) scale(0.4);
  opacity: 0;
  transition: all var(--dur) var(--spring);
}
.check input:checked ~ .box { background: var(--grad-blue); border-color: transparent; }
.check input:checked ~ .box::after { opacity: 1; transform: rotate(-45deg) scale(1); }
.check.radio .box { border-radius: 50%; }
.check.radio .box::after { width: 7px; height: 7px; border: 0; border-radius: 50%; background: #fff; transform: scale(0.4); }
.check.radio input:checked ~ .box { background: var(--grad-blue); }

/* ============================================================================
   4. 标签 / 徽标
   ========================================================================== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 22px;
  padding: 0 9px;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
  color: var(--t2);
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-pill);
  box-shadow: inset 0 1px 0 var(--hairline-top);
}
.tag-blue   { color: #06407F; background: rgba(10,132,255,.14); border-color: rgba(10,132,255,.24); }
.tag-green  { color: #075A2A; background: rgba(48,209,88,.16); border-color: rgba(48,209,88,.28); }
.tag-orange { color: #8A4B00; background: rgba(255,159,10,.16); border-color: rgba(255,159,10,.28); }
.tag-red    { color: #8E0B26; background: rgba(255,69,58,.14);  border-color: rgba(255,69,58,.26); }
.tag-purple { color: #4A1D8C; background: rgba(191,90,242,.14); border-color: rgba(191,90,242,.26); }
.tag-gray   { color: var(--t3);  background: rgba(140,150,170,.12); border-color: rgba(140,150,170,.2); }
.tag-dot::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 2.5px color-mix(in srgb, currentColor 22%, transparent);
}

.badge {
  display: inline-grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: var(--grad-rose);
  border-radius: var(--r-pill);
  box-shadow: 0 2px 6px -2px rgba(255,55,95,.7);
}

/* ============================================================================
   5. 分段控件（苹果 Segmented）
   ========================================================================== */
.seg {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-pill);
  box-shadow: var(--sh-inner);
}
.seg > button {
  position: relative;
  height: 28px;
  padding: 0 14px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--t3);
  background: none;
  border: 0;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.seg > button:hover { color: var(--t1); }
.seg > button[aria-selected="true"],
.seg > button.is-active {
  color: var(--t1);
  background: linear-gradient(180deg, #fff, rgba(255,255,255,.82));
  box-shadow: inset 0 1px 0 #fff, 0 1px 3px rgba(16,24,40,.14);
}

/* ============================================================================
   6. 表格
   ========================================================================== */
.table-wrap {
  overflow: auto;
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.34);
  box-shadow: inset 0 1px 0 var(--hairline-top);
}
.table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 12.5px; }
.table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 10px 14px;
  font-size: 11.5px;
  font-weight: 650;
  color: var(--t3);
  text-align: left;
  white-space: nowrap;
  letter-spacing: 0.02em;
  background: rgba(255, 255, 255, 0.72);
  -webkit-backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  backdrop-filter: blur(var(--blur-m)) saturate(var(--sat));
  border-bottom: 1px solid var(--hairline-soft);
  box-shadow: inset 0 1px 0 var(--hairline-top);
}
.table tbody td {
  padding: 11px 14px;
  color: var(--t2);
  border-bottom: 1px solid var(--hairline-soft);
  vertical-align: middle;
}
.table tbody tr { transition: background var(--dur) var(--ease); }
.table tbody tr:hover { background: rgba(255, 255, 255, 0.5); }
.table tbody tr:last-child td { border-bottom: 0; }
.table .num { font-family: var(--font-num); font-size: 12px; font-variant-numeric: tabular-nums; }
.table .strong { color: var(--t1); font-weight: 650; }
.table-sticky-col { position: sticky; left: 0; background: rgba(255,255,255,.72); backdrop-filter: blur(20px); }
.table-compact tbody td { padding: 7px 12px; }

/* 分页 */
.pager { display: flex; align-items: center; gap: 6px; }
.pager button {
  min-width: 28px; height: 28px;
  padding: 0 8px;
  font: inherit; font-size: 12.5px; font-weight: 600;
  color: var(--t2);
  background: rgba(255,255,255,.5);
  border: 1px solid var(--hairline-soft);
  border-radius: 9px;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.pager button:hover { background: rgba(255,255,255,.85); color: var(--t1); }
.pager button.is-active {
  color: #fff;
  background: var(--grad-blue);
  border-color: transparent;
  box-shadow: 0 4px 12px -4px rgba(10,132,255,.7);
}

/* ============================================================================
   7. 弹层 / 抽屉 / 提示
   ========================================================================== */
.overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: grid;
  place-items: center;
  padding: var(--sp-6);
  background: rgba(12, 18, 32, 0.28);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  animation: overlay-in var(--dur) var(--ease);
}
@keyframes overlay-in { from { opacity: 0; } to { opacity: 1; } }

.modal {
  width: min(560px, 100%);
  max-height: 86vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(255,255,255,.86), rgba(255,255,255,.72));
  -webkit-backdrop-filter: blur(var(--blur-l)) saturate(var(--sat-hi));
  backdrop-filter: blur(var(--blur-l)) saturate(var(--sat-hi));
  border: 1px solid var(--edge);
  border-radius: var(--r-2xl);
  box-shadow: var(--sh-glass-lg), 0 60px 120px -40px rgba(6, 12, 30, 0.5);
  animation: modal-in var(--dur-slow) var(--spring);
}
@keyframes modal-in { from { opacity: 0; transform: translateY(16px) scale(0.97); } to { opacity: 1; transform: none; } }
.modal-head {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4);
  padding: var(--sp-5) var(--sp-6);
  border-bottom: 1px solid var(--hairline-soft);
}
.modal-title { font-size: 15px; font-weight: 680; letter-spacing: -0.01em; }
.modal-body { padding: var(--sp-5) var(--sp-6); overflow: auto; }
.modal-foot {
  display: flex; align-items: center; justify-content: flex-end; gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-6);
  background: rgba(255,255,255,.36);
  border-top: 1px solid var(--hairline-soft);
}

.drawer {
  position: fixed;
  top: 10px; right: 10px; bottom: 10px;
  z-index: var(--z-overlay);
  width: min(520px, calc(100vw - 20px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.88), rgba(255,255,255,.74));
  -webkit-backdrop-filter: blur(var(--blur-l)) saturate(var(--sat-hi));
  backdrop-filter: blur(var(--blur-l)) saturate(var(--sat-hi));
  border: 1px solid var(--edge);
  border-radius: var(--r-2xl);
  box-shadow: var(--sh-glass-lg), 0 60px 120px -40px rgba(6, 12, 30, 0.5);
  animation: drawer-in var(--dur-slow) var(--ease);
}
@keyframes drawer-in { from { opacity: 0; transform: translateX(28px) scale(0.99); } to { opacity: 1; transform: none; } }

.toast-host {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 550;
  color: var(--t1);
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(var(--blur-m)) saturate(var(--sat-hi));
  backdrop-filter: blur(var(--blur-m)) saturate(var(--sat-hi));
  border: 1px solid var(--edge);
  border-radius: var(--r-pill);
  box-shadow: var(--sh-glass), 0 20px 44px -20px rgba(6,12,30,.42);
  animation: toast-in var(--dur-slow) var(--spring);
}
@keyframes toast-in { from { opacity: 0; transform: translateY(-14px) scale(.96); } to { opacity: 1; transform: none; } }
.toast.is-out { animation: toast-out var(--dur) var(--ease) forwards; }
@keyframes toast-out { to { opacity: 0; transform: translateY(-10px) scale(.97); } }

.tip {
  position: relative;
}
.tip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 6px 10px;
  font-size: 11.5px;
  font-weight: 550;
  white-space: nowrap;
  color: #fff;
  background: rgba(18, 22, 34, 0.86);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-radius: 9px;
  box-shadow: 0 8px 22px -8px rgba(0,0,0,.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  z-index: 60;
}
.tip:hover::after { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============================================================================
   8. 反馈：骨架 / 进度 / 空态
   ========================================================================== */
.skel {
  position: relative;
  overflow: hidden;
  background: rgba(140, 152, 172, 0.16);
  border-radius: var(--r-sm);
}
.skel::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.72), transparent);
  animation: shimmer 1.4s var(--ease-in-out) infinite;
}
@keyframes shimmer { to { transform: translateX(100%); } }

.bar {
  height: 6px;
  overflow: hidden;
  background: rgba(140, 152, 172, 0.2);
  border-radius: var(--r-pill);
  box-shadow: var(--sh-inner);
}
.bar > i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--grad-blue);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.5);
  transition: width var(--dur-slow) var(--ease);
}

.empty {
  display: grid;
  place-items: center;
  gap: 10px;
  padding: 56px 20px;
  text-align: center;
  color: var(--t4);
}
.empty .glyph {
  width: 64px; height: 64px;
  display: grid; place-items: center;
  font-size: 28px;
  background: rgba(255,255,255,.5);
  border: 1px solid var(--hairline-soft);
  border-radius: 22px;
  box-shadow: inset 0 1px 0 var(--hairline-top), var(--sh-1);
}
.empty b { color: var(--t2); font-size: 13.5px; font-weight: 650; }

/* ============================================================================
   9. 头像 / 分割线 / 滚动条
   ========================================================================== */
.avatar {
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  flex: none;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--grad-iris);
  border: 1px solid rgba(255,255,255,.5);
  border-radius: 50%;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.45), var(--sh-1);
  overflow: hidden;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-lg { width: 44px; height: 44px; font-size: 15px; }
.avatar-xl { width: 68px; height: 68px; font-size: 22px; border-radius: 24px; }

.divider { height: 1px; background: var(--hairline-soft); border: 0; margin: var(--sp-4) 0; }
.divider-v { width: 1px; align-self: stretch; background: var(--hairline-soft); }

.g-scroll { scrollbar-width: thin; scrollbar-color: rgba(120,130,150,.4) transparent; }
.g-scroll::-webkit-scrollbar { width: 8px; height: 8px; }
.g-scroll::-webkit-scrollbar-track { background: transparent; }
.g-scroll::-webkit-scrollbar-thumb {
  background: rgba(120, 130, 150, 0.32);
  border: 2px solid transparent;
  border-radius: var(--r-pill);
  background-clip: content-box;
}
.g-scroll::-webkit-scrollbar-thumb:hover { background: rgba(100, 110, 130, 0.5); background-clip: content-box; }

/* ============================================================================
   10. 工具类
   ========================================================================== */
.row { display: flex; align-items: center; }
.row-b { display: flex; align-items: center; justify-content: space-between; }
.col { display: flex; flex-direction: column; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }
.gap-1 { gap: 4px; } .gap-2 { gap: 8px; } .gap-3 { gap: 12px; }
.gap-4 { gap: 16px; } .gap-5 { gap: 20px; } .gap-6 { gap: 24px; }
.mt-2 { margin-top: 8px; } .mt-3 { margin-top: 12px; } .mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; } .mt-6 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; } .mb-3 { margin-bottom: 12px; } .mb-4 { margin-bottom: 16px; }
.t1 { color: var(--t1); } .t2 { color: var(--t2); } .t3 { color: var(--t3); } .t4 { color: var(--t4); }
.xs { font-size: 11.5px; } .sm { font-size: 12.5px; } .md { font-size: 13px; }
.lg { font-size: 15px; } .xl { font-size: 18px; } .xxl { font-size: 24px; }
.b6 { font-weight: 600; } .b7 { font-weight: 700; }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.mono { font-family: var(--font-num); }
.up { text-transform: uppercase; letter-spacing: .06em; }
.nowrap { white-space: nowrap; }
.ellip { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.clamp2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.center { display: grid; place-items: center; }
.hidden { display: none !important; }
.rel { position: relative; }
.gradient-text {
  background: var(--grad-aurora);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}