/* ===================== 基础 ===================== */
:root {
  --menubar-h: 28px;
  --dock-size: 54px;
  --accent: #0a84ff;
  --bar-bg: rgba(255, 255, 255, .55);
  --bar-fg: #1d1d1f;
  --panel-bg: rgba(245, 245, 247, .78);
  --panel-fg: #1d1d1f;
  --win-bg: #f5f5f7;
  --win-fg: #1d1d1f;
  --win-chrome: rgba(246, 246, 246, .9);
  --sidebar-bg: rgba(238, 238, 240, .85);
  --line: rgba(0, 0, 0, .1);
  --hover: rgba(0, 0, 0, .06);
}
body.dark {
  --bar-bg: rgba(30, 30, 32, .55);
  --bar-fg: #f5f5f7;
  --panel-bg: rgba(40, 40, 44, .78);
  --panel-fg: #f5f5f7;
  --win-bg: #1f1f23;
  --win-fg: #f5f5f7;
  --win-chrome: rgba(44, 44, 48, .92);
  --sidebar-bg: rgba(34, 34, 38, .85);
  --line: rgba(255, 255, 255, .12);
  --hover: rgba(255, 255, 255, .08);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  color: var(--win-fg);
  background: #000;
  user-select: none;
  -webkit-user-select: none;
}
input, textarea { font-family: inherit; user-select: text; -webkit-user-select: text; }
button { font-family: inherit; cursor: pointer; }
.hidden { display: none !important; }

/* ===================== 开机画面 ===================== */
#boot {
  position: fixed; inset: 0; z-index: 100000;
  background: #000; color: #fff;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 48px; transition: opacity .6s ease;
}
#boot.fade { opacity: 0; pointer-events: none; }
.boot-logo { width: 84px; height: 84px; }
.boot-progress {
  width: 180px; height: 5px; border-radius: 3px;
  background: rgba(255, 255, 255, .25); overflow: hidden;
}
.boot-bar { width: 0%; height: 100%; border-radius: 3px; background: #fff; transition: width .3s ease; }

/* ===================== 桌面与壁纸 ===================== */
#desktop { position: fixed; inset: 0; }
#wallpaper {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(160deg, #1b2b6b 0%, #3753b8 35%, #b06ab3 75%, #e96d8d 100%);
  transition: background 1s ease;
}
#windows-layer { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
#windows-layer > .window { pointer-events: auto; }

/* 桌面图标 */
#desktop-icons {
  position: absolute; top: calc(var(--menubar-h) + 14px); right: 14px; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: 8px; flex-wrap: wrap;
}
.desk-icon {
  width: 86px; padding: 8px 4px 6px; border-radius: 8px;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  cursor: default; border: 1px solid transparent;
}
.desk-icon .di-glyph { font-size: 44px; line-height: 1; filter: drop-shadow(0 2px 4px rgba(0,0,0,.35)); }
.desk-icon .di-name {
  font-size: 12px; color: #fff; text-align: center; line-height: 1.25;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .8); word-break: break-all;
  padding: 1px 5px; border-radius: 4px;
}
.desk-icon.selected { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .25); }
.desk-icon.selected .di-name { background: var(--accent); }

/* ===================== 菜单栏 ===================== */
#menubar {
  position: fixed; top: 0; left: 0; right: 0; height: var(--menubar-h); z-index: 5000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 10px;
  background: var(--bar-bg); color: var(--bar-fg);
  backdrop-filter: blur(28px) saturate(1.6); -webkit-backdrop-filter: blur(28px) saturate(1.6);
  font-size: 13.5px;
}
.mb-left, .mb-right, #mb-menus { display: flex; align-items: center; height: 100%; }
.mb-item {
  display: flex; align-items: center; gap: 5px; height: calc(100% - 4px);
  padding: 0 9px; border-radius: 5px; cursor: default; white-space: nowrap;
}
.mb-item:hover, .mb-item.open { background: var(--hover); }
.mb-item.open { background: rgba(120, 120, 128, .28); }
.mb-appname { font-weight: 700; }
#mb-clock { font-variant-numeric: tabular-nums; }
#battery-pct { font-size: 12px; opacity: .85; }

/* ===================== 下拉菜单 / 右键菜单 ===================== */
.dropdown {
  position: fixed; z-index: 6000; min-width: 210px;
  background: var(--panel-bg); color: var(--panel-fg);
  backdrop-filter: blur(30px) saturate(1.6); -webkit-backdrop-filter: blur(30px) saturate(1.6);
  border: 1px solid var(--line); border-radius: 9px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .3);
  padding: 5px; font-size: 13.5px;
  animation: dd-in .12s ease;
}
@keyframes dd-in { from { opacity: 0; transform: scale(.97); } }
.dd-item {
  display: flex; justify-content: space-between; align-items: center; gap: 24px;
  padding: 4px 10px; border-radius: 5px; cursor: default;
}
.dd-item:hover { background: var(--accent); color: #fff; }
.dd-item.disabled { opacity: .4; pointer-events: none; }
.dd-key { font-size: 12px; opacity: .55; }
.dd-item:hover .dd-key { opacity: .9; }
.dd-sep { height: 1px; margin: 5px 10px; background: var(--line); }

/* ===================== Dock ===================== */
#dock-wrap {
  position: fixed; bottom: 6px; left: 0; right: 0; z-index: 5000;
  display: flex; justify-content: center; pointer-events: none;
}
#dock {
  pointer-events: auto;
  display: flex; align-items: flex-end; gap: 9px;
  padding: 5px 8px 7px;
  background: var(--bar-bg);
  backdrop-filter: blur(30px) saturate(1.8); -webkit-backdrop-filter: blur(30px) saturate(1.8);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 20px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, .25);
}
.dock-item {
  position: relative; border: none; background: none; padding: 0;
  width: var(--dock-size);
  height: var(--dock-size);
  display: flex; align-items: flex-end;
}
/* 仅悬停的图标放大,从底边向上长出 Dock,其余图标与外框尺寸都保持不变 */
.dock-item .app-icon {
  width: 100%; height: 100%;
  transform-origin: bottom center;
  transition: scale .15s cubic-bezier(.25,.85,.35,1);
}
.dock-item:hover { z-index: 10; }
.dock-item:hover .app-icon { scale: 1.25; }
.dock-item .dot {
  position: absolute; bottom: -5px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--bar-fg); opacity: 0;
}
.dock-item.running .dot { opacity: .7; }
.dock-item::after {
  content: attr(data-label);
  position: absolute; bottom: calc(100% + 24px); left: 50%; transform: translateX(-50%);
  background: var(--panel-bg); color: var(--panel-fg);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  padding: 3px 11px; border-radius: 7px; font-size: 13px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: opacity .15s;
  box-shadow: 0 4px 14px rgba(0, 0, 0, .2);
}
.dock-item:hover::after { opacity: 1; }
.dock-sep { width: 1px; align-self: stretch; margin: 6px 2px; background: var(--line); }
.dock-item.bounce .app-icon { animation: dock-bounce .55s ease 2; }
@keyframes dock-bounce {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-24px); }
}

/* 应用图标(通用) */
.app-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 23%;
  font-size: 30px; line-height: 1;
  box-shadow: 0 3px 8px rgba(0, 0, 0, .28), inset 0 0 0 .5px rgba(255, 255, 255, .25);
  overflow: hidden; flex-shrink: 0;
}
.app-icon svg { width: 100%; height: 100%; }
.dock-item .app-icon { font-size: calc(var(--dock-size) * .58); }

/* ===================== 窗口 ===================== */
.window {
  position: absolute;
  min-width: 320px; min-height: 200px;
  background: var(--win-bg); color: var(--win-fg);
  border-radius: 11px;
  box-shadow: 0 22px 70px rgba(0, 0, 0, .4), 0 0 0 .5px rgba(0, 0, 0, .25);
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: win-in .18s ease;
}
@keyframes win-in { from { opacity: 0; transform: scale(.96); } }
.window.anim { transition: top .25s ease, left .25s ease, width .25s ease, height .25s ease, transform .3s ease, opacity .3s ease; }
.window:not(.focused) { box-shadow: 0 10px 35px rgba(0, 0, 0, .25), 0 0 0 .5px rgba(0, 0, 0, .2); }

.titlebar {
  height: 38px; flex-shrink: 0;
  display: flex; align-items: center;
  background: var(--win-chrome);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  padding: 0 12px; position: relative;
  cursor: default;
}
.titlebar .title {
  position: absolute; left: 50%; transform: translateX(-50%);
  font-size: 13.5px; font-weight: 600; opacity: .85;
  max-width: 60%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  pointer-events: none;
}
.traffic { display: flex; gap: 8px; z-index: 1; }
.tl {
  width: 12px; height: 12px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 700; color: transparent;
  border: .5px solid rgba(0, 0, 0, .15);
  cursor: default;
}
.tl.close { background: #ff5f57; }
.tl.min   { background: #febc2e; }
.tl.max   { background: #28c840; }
.window:not(.focused) .tl { background: #c8c8cc; }
body.dark .window:not(.focused) .tl { background: #5a5a5e; }
.traffic:hover .tl.close::before { content: '×'; color: #99201c; }
.traffic:hover .tl.min::before   { content: '−'; color: #985712; }
.traffic:hover .tl.max::before   { content: '+'; color: #0b6519; }

.win-content { flex: 1; overflow: auto; position: relative; display: flex; flex-direction: column; }

/* 缩放手柄 */
.rs { position: absolute; z-index: 5; }
.rs-n  { top: -4px; left: 8px; right: 8px; height: 8px; cursor: ns-resize; }
.rs-s  { bottom: -4px; left: 8px; right: 8px; height: 8px; cursor: ns-resize; }
.rs-e  { right: -4px; top: 8px; bottom: 8px; width: 8px; cursor: ew-resize; }
.rs-w  { left: -4px; top: 8px; bottom: 8px; width: 8px; cursor: ew-resize; }
.rs-ne { top: -5px; right: -5px; width: 12px; height: 12px; cursor: nesw-resize; }
.rs-nw { top: -5px; left: -5px; width: 12px; height: 12px; cursor: nwse-resize; }
.rs-se { bottom: -5px; right: -5px; width: 12px; height: 12px; cursor: nwse-resize; }
.rs-sw { bottom: -5px; left: -5px; width: 12px; height: 12px; cursor: nesw-resize; }

/* ===================== 覆盖层(聚焦/启动台) ===================== */
.overlay { position: fixed; inset: 0; }
#spotlight { z-index: 7000; background: transparent; }
.spotlight-box {
  width: 640px; max-width: 90vw; margin: 18vh auto 0;
  background: var(--panel-bg); color: var(--panel-fg);
  backdrop-filter: blur(36px) saturate(1.6); -webkit-backdrop-filter: blur(36px) saturate(1.6);
  border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .4);
  overflow: hidden; animation: dd-in .14s ease;
}
.spotlight-row { display: flex; align-items: center; gap: 12px; padding: 13px 16px; opacity: .9; }
#spotlight-input {
  flex: 1; border: none; outline: none; background: none; color: inherit;
  font-size: 22px; font-weight: 300;
}
#spotlight-results { max-height: 360px; overflow: auto; }
#spotlight-results:not(:empty) { border-top: 1px solid var(--line); padding: 6px; }
.sp-item {
  display: flex; align-items: center; gap: 12px;
  padding: 7px 10px; border-radius: 8px; cursor: default;
}
.sp-item .app-icon { width: 30px; height: 30px; font-size: 19px; }
.sp-item.active, .sp-item:hover { background: var(--accent); color: #fff; }
.sp-item small { opacity: .6; margin-left: auto; }
.sp-item.active small, .sp-item:hover small { opacity: .85; }

#launchpad {
  z-index: 6500;
  background: rgba(40, 40, 60, .35);
  backdrop-filter: blur(40px) saturate(1.4); -webkit-backdrop-filter: blur(40px) saturate(1.4);
  display: flex; flex-direction: column; align-items: center;
  animation: lp-in .2s ease;
}
@keyframes lp-in { from { opacity: 0; transform: scale(1.06); } }
.lp-search { margin-top: 7vh; }
#lp-input {
  width: 260px; padding: 7px 14px; border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, .35); outline: none;
  background: rgba(255, 255, 255, .18); color: #fff; font-size: 14px;
  text-align: center;
}
#lp-input::placeholder { color: rgba(255, 255, 255, .7); }
#lp-grid {
  margin-top: 6vh; width: min(880px, 88vw);
  display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 34px 10px;
  justify-items: center;
}
.lp-app { display: flex; flex-direction: column; align-items: center; gap: 9px; cursor: default; background: none; border: none; }
.lp-app .app-icon { width: 68px; height: 68px; font-size: 42px; }
.lp-app span.lp-name { color: #fff; font-size: 13px; text-shadow: 0 1px 4px rgba(0,0,0,.5); }
.lp-app:active .app-icon { filter: brightness(.8); }

/* ===================== 控制中心 ===================== */
#control-center {
  position: fixed; top: calc(var(--menubar-h) + 6px); right: 8px; z-index: 6000;
  width: 330px; padding: 12px; border-radius: 16px;
  background: var(--panel-bg); color: var(--panel-fg);
  backdrop-filter: blur(36px) saturate(1.6); -webkit-backdrop-filter: blur(36px) saturate(1.6);
  border: 1px solid var(--line);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .35);
  animation: dd-in .14s ease;
}
.cc-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; }
.cc-grid > * { min-width: 0; }
.cc-card {
  background: var(--hover); border: 1px solid var(--line);
  border-radius: 13px; padding: 10px;
}
.cc-conn { display: flex; flex-direction: column; gap: 9px; }
.cc-row { display: flex; align-items: center; gap: 9px; cursor: default; }
.cc-row b, .cc-mini b { display: block; font-size: 12.5px; font-weight: 600; }
.cc-row small { font-size: 11px; opacity: .6; }
.cc-ic {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(120, 120, 128, .3); color: var(--panel-fg); font-size: 14px;
}
.cc-ic.on { background: var(--accent); color: #fff; }
.cc-side { display: flex; flex-direction: column; gap: 10px; }
.cc-mini { flex: 1; display: flex; align-items: center; gap: 9px; cursor: default; }
.cc-mini.on .cc-ic { background: var(--accent); color: #fff; }
.cc-slider small { font-size: 12px; font-weight: 600; opacity: .8; }
.cc-range { display: flex; align-items: center; gap: 8px; margin-top: 7px; }
.cc-range input { flex: 1; min-width: 0; accent-color: #fff; }
.cc-music-card { grid-column: 1 / -1; display: flex; align-items: center; gap: 10px; cursor: default; }
.cc-disc { font-size: 26px; }
.cc-music-card b { display: block; font-size: 12.5px; }
.cc-music-card small { font-size: 11px; opacity: .6; }

/* ===================== 通知 ===================== */
#notifications {
  position: fixed; top: calc(var(--menubar-h) + 10px); right: 12px; z-index: 7500;
  display: flex; flex-direction: column; gap: 10px; pointer-events: none;
}
.notif {
  pointer-events: auto;
  width: 330px; padding: 11px 13px; border-radius: 14px;
  background: var(--panel-bg); color: var(--panel-fg);
  backdrop-filter: blur(30px) saturate(1.6); -webkit-backdrop-filter: blur(30px) saturate(1.6);
  border: 1px solid var(--line);
  box-shadow: 0 12px 35px rgba(0, 0, 0, .3);
  display: flex; gap: 11px; align-items: center;
  animation: notif-in .35s cubic-bezier(.2, .9, .3, 1.2);
  transition: opacity .4s, transform .4s;
}
.notif.out { opacity: 0; transform: translateX(120%); }
@keyframes notif-in { from { opacity: 0; transform: translateX(120%); } }
.notif .app-icon { width: 36px; height: 36px; font-size: 22px; }
.notif b { display: block; font-size: 13px; }
.notif small { font-size: 12.5px; opacity: .75; }

/* ===================== 遮罩 ===================== */
#brightness-overlay {
  position: fixed; inset: 0; z-index: 8000;
  background: #000; opacity: 0; pointer-events: none;
  transition: opacity .2s;
}
#sleep-overlay {
  position: fixed; inset: 0; z-index: 9000; background: #000;
  animation: sleep-in .8s ease;
}
@keyframes sleep-in { from { opacity: 0; } }
#power-overlay {
  position: fixed; inset: 0; z-index: 9500; background: #000; color: #777;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px;
  font-size: 14px;
}

/* ===================== 通用控件 ===================== */
.btn {
  padding: 4px 13px; border-radius: 6px; border: 1px solid var(--line);
  background: var(--win-bg); color: var(--win-fg); font-size: 13px;
}
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.tool-btn {
  border: none; background: none; color: inherit; opacity: .65;
  width: 28px; height: 26px; border-radius: 6px; font-size: 16px;
  display: inline-flex; align-items: center; justify-content: center;
}
.tool-btn:hover { background: var(--hover); opacity: 1; }

/* ===================== 应用:通用布局 ===================== */
.app-split { flex: 1; display: flex; min-height: 0; }
.app-sidebar {
  width: 185px; flex-shrink: 0; overflow: auto;
  background: var(--sidebar-bg); border-right: 1px solid var(--line);
  padding: 10px 8px;
}
.app-main { flex: 1; overflow: auto; min-width: 0; display: flex; flex-direction: column; }
.sb-title { font-size: 11px; font-weight: 700; opacity: .45; padding: 8px 9px 3px; }
.sb-item {
  display: flex; align-items: center; gap: 7px;
  padding: 4.5px 9px; border-radius: 6px; font-size: 13px; cursor: default;
  white-space: nowrap; overflow: hidden;
}
.sb-item:hover { background: var(--hover); }
.sb-item.active { background: rgba(120, 120, 128, .25); }
.sb-item .sb-ic { width: 18px; text-align: center; color: var(--accent); flex-shrink: 0; }

/* ===================== 访达 ===================== */
.finder-toolbar {
  display: flex; align-items: center; gap: 4px; padding: 6px 10px;
  border-bottom: 1px solid var(--line); flex-shrink: 0;
}
.finder-path { font-size: 13px; font-weight: 600; margin-left: 6px; opacity: .8; }
.finder-grid {
  flex: 1; padding: 16px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 16px 8px; align-content: start;
}
.fi {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 8px 2px; border-radius: 8px; cursor: default; border: 1px solid transparent;
}
.fi:hover { background: var(--hover); }
.fi.selected { background: rgba(10, 132, 255, .15); border-color: rgba(10, 132, 255, .3); }
.fi-glyph { font-size: 42px; line-height: 1; }
.fi-glyph .app-icon { width: 44px; height: 44px; font-size: 27px; }
.fi-name { font-size: 12px; text-align: center; line-height: 1.25; word-break: break-all; }
.finder-status {
  padding: 4px 12px; border-top: 1px solid var(--line);
  font-size: 11.5px; opacity: .55; flex-shrink: 0;
}
.finder-empty { grid-column: 1/-1; text-align: center; opacity: .4; padding: 60px 0; font-size: 15px; }

/* ===================== Safari ===================== */
.safari-bar {
  display: flex; align-items: center; gap: 5px; padding: 6px 10px;
  border-bottom: 1px solid var(--line); flex-shrink: 0;
}
.safari-url {
  flex: 1; padding: 5px 12px; border-radius: 7px; border: 1px solid var(--line);
  background: var(--hover); color: inherit; outline: none; font-size: 13px; text-align: center;
}
.safari-url:focus { text-align: left; border-color: var(--accent); }
.safari-body { flex: 1; position: relative; min-height: 0; }
.safari-body iframe { width: 100%; height: 100%; border: none; background: #fff; }
.safari-start { position: absolute; inset: 0; overflow: auto; padding: 40px 50px; }
.safari-start h2 { font-size: 21px; margin-bottom: 20px; }
.fav-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 18px; }
.fav {
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  background: none; border: none; color: inherit; font-size: 12.5px;
}
.fav-ic {
  width: 60px; height: 60px; border-radius: 14px; font-size: 30px;
  display: flex; align-items: center; justify-content: center;
  background: var(--hover); border: 1px solid var(--line);
}
.fav:hover .fav-ic { background: rgba(120, 120, 128, .25); }
.safari-tip { margin-top: 34px; font-size: 12.5px; opacity: .5; line-height: 1.7; }

/* ===================== 备忘录 ===================== */
.notes-list { width: 210px; flex-shrink: 0; border-right: 1px solid var(--line); overflow: auto; background: var(--sidebar-bg); }
.note-row { padding: 10px 14px; border-bottom: 1px solid var(--line); cursor: default; }
.note-row.active { background: rgba(255, 200, 60, .25); }
.note-row b { display: block; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.note-row small { font-size: 12px; opacity: .55; display: block; margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.notes-editor { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.notes-editor textarea {
  flex: 1; border: none; outline: none; resize: none;
  background: var(--win-bg); color: inherit;
  padding: 18px 20px; font-size: 14.5px; line-height: 1.7;
}
.notes-toolbar { display: flex; gap: 4px; padding: 6px 10px; border-bottom: 1px solid var(--line); }

/* ===================== 计算器 ===================== */
.calc { flex: 1; display: flex; flex-direction: column; background: #2e2e33; }
.calc-display {
  color: #fff; font-size: 46px; font-weight: 200; text-align: right;
  padding: 22px 20px 8px; min-height: 86px; display: flex; align-items: flex-end; justify-content: flex-end;
  word-break: break-all; line-height: 1.1;
}
.calc-grid { flex: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: #2e2e33; padding: 1px; }
.calc-grid button {
  border: none; font-size: 20px; color: #fff; background: #5a5a5f; min-height: 52px;
}
.calc-grid button:active { filter: brightness(1.3); }
.calc-grid button.fn { background: #424247; }
.calc-grid button.op { background: #ff9f0a; font-size: 24px; }
.calc-grid button.op.hl { background: #fff; color: #ff9f0a; }
.calc-grid button.zero { grid-column: span 2; }

/* ===================== 终端 ===================== */
.term {
  flex: 1; background: rgba(20, 20, 24, .96); color: #e8e8e8;
  font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 12.5px; line-height: 1.55;
  padding: 10px 12px; overflow: auto; cursor: text;
}
.term-line { white-space: pre-wrap; word-break: break-all; }
.term-prompt { color: #34d058; font-weight: 600; }
.term-input-row { display: flex; }
.term input {
  flex: 1; background: none; border: none; outline: none; color: inherit;
  font: inherit; padding: 0; margin-left: 6px;
}

/* ===================== 日历 ===================== */
.cal { flex: 1; display: flex; flex-direction: column; padding: 14px 18px; }
.cal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.cal-head h2 { font-size: 19px; }
.cal-head .cal-nav { display: flex; gap: 2px; }
.cal-grid { flex: 1; display: grid; grid-template-columns: repeat(7, 1fr); grid-auto-rows: minmax(34px, 1fr); gap: 2px; }
.cal-dow { font-size: 11px; font-weight: 700; opacity: .45; text-align: center; align-self: end; padding-bottom: 4px; }
.cal-day {
  display: flex; align-items: center; justify-content: center;
  font-size: 13.5px; border-radius: 8px; cursor: default;
}
.cal-day:hover { background: var(--hover); }
.cal-day.dim { opacity: .3; }
.cal-day.today { background: #ff3b30; color: #fff; font-weight: 700; }

/* ===================== 信息 ===================== */
.msg-contacts { width: 190px; flex-shrink: 0; border-right: 1px solid var(--line); background: var(--sidebar-bg); overflow: auto; }
.contact-row { display: flex; align-items: center; gap: 9px; padding: 9px 12px; cursor: default; }
.contact-row.active { background: rgba(10, 132, 255, .18); }
.contact-row:hover:not(.active) { background: var(--hover); }
.avatar {
  width: 34px; height: 34px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; color: #fff;
  background: linear-gradient(180deg, #9aa2b1, #6b7280);
}
.contact-row b { font-size: 13px; display: block; }
.contact-row small { font-size: 11.5px; opacity: .55; display: block; max-width: 110px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.msg-pane { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.msg-scroll { flex: 1; overflow: auto; padding: 16px 14px; display: flex; flex-direction: column; gap: 6px; }
.bubble {
  max-width: 70%; padding: 7px 13px; border-radius: 18px;
  font-size: 14px; line-height: 1.45; width: fit-content;
}
.bubble.me { align-self: flex-end; background: var(--accent); color: #fff; border-bottom-right-radius: 5px; }
.bubble.them { align-self: flex-start; background: var(--hover); border-bottom-left-radius: 5px; }
.msg-inputbar { flex-shrink: 0; display: flex; gap: 8px; padding: 9px 12px; border-top: 1px solid var(--line); }
.msg-inputbar input {
  flex: 1; padding: 6px 14px; border-radius: 16px;
  border: 1px solid var(--line); background: var(--win-bg); color: inherit; outline: none; font-size: 14px;
}

/* ===================== 系统设置 ===================== */
.st-pane { padding: 22px 26px; }
.st-pane h2 { font-size: 19px; margin-bottom: 18px; }
.st-section { margin-bottom: 24px; }
.st-section h3 { font-size: 13px; opacity: .6; font-weight: 600; margin-bottom: 10px; }
.theme-cards { display: flex; gap: 14px; }
.theme-card { background: none; border: none; color: inherit; display: flex; flex-direction: column; align-items: center; gap: 6px; font-size: 12.5px; }
.theme-prev {
  width: 110px; height: 70px; border-radius: 9px; border: 2px solid var(--line);
  position: relative; overflow: hidden;
}
.theme-card.active .theme-prev { border-color: var(--accent); }
.theme-prev.light { background: linear-gradient(180deg, #cdd5e0, #e8ecf2); }
.theme-prev.dark { background: linear-gradient(180deg, #2a2d36, #16181d); }
.theme-prev::after {
  content: ''; position: absolute; left: 12px; top: 18px;
  width: 55%; height: 70%; border-radius: 6px 6px 0 0; background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
}
.theme-prev.dark::after { background: #3a3d45; }
.accent-row { display: flex; gap: 10px; }
.accent-dot {
  width: 22px; height: 22px; border-radius: 50%; border: 2px solid transparent;
  cursor: pointer; padding: 0;
}
.accent-dot.active { box-shadow: 0 0 0 2px var(--win-bg), 0 0 0 4px currentColor; }
.wall-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 12px; }
.wall-item { border: 2.5px solid transparent; border-radius: 10px; padding: 0; overflow: hidden; background: none; }
.wall-item.active { border-color: var(--accent); }
.wall-prev { display: block; width: 100%; height: 72px; border-radius: 7px; }
.wall-item span { display: block; font-size: 11.5px; padding: 4px 0 2px; color: var(--win-fg); text-align: center; }
.st-row { display: flex; align-items: center; gap: 14px; font-size: 13.5px; }
.st-row input[type=range] { flex: 1; accent-color: var(--accent); }

/* ===================== 关于本机 ===================== */
.about { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 26px; text-align: center; }
.about .mac-emoji { font-size: 74px; margin-bottom: 12px; filter: drop-shadow(0 6px 14px rgba(0,0,0,.25)); }
.about h2 { font-size: 22px; }
.about .ver { opacity: .55; font-size: 13px; margin-bottom: 14px; }
.about table { font-size: 13px; border-spacing: 12px 3px; }
.about td:first-child { opacity: .55; text-align: right; }
.about td:last-child { text-align: left; }
.about .btn { margin-top: 16px; }

/* ===================== App Store ===================== */
.store-main { padding: 18px 24px; }
.st-search {
  width: 100%; padding: 8px 14px; margin-bottom: 16px;
  border-radius: 9px; border: 1px solid var(--line);
  background: var(--hover); color: inherit; outline: none; font-size: 14px;
}
.st-search:focus { border-color: var(--accent); }
.st-banner {
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(120deg, #5b6bd6 0%, #8a4fd0 55%, #c44f9e 100%);
  color: #fff; border-radius: 16px; padding: 22px 28px; margin-bottom: 20px;
  cursor: default;
}
.st-banner small { opacity: .75; font-size: 12px; font-weight: 700; letter-spacing: 1px; }
.st-banner h2 { font-size: 26px; margin: 3px 0; }
.st-banner p { font-size: 13.5px; opacity: .85; }
.st-banner-icon { font-size: 62px; filter: drop-shadow(0 6px 14px rgba(0,0,0,.3)); }
.st-sec { font-size: 16px; margin: 6px 0 12px; }
.st-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(265px, 1fr)); gap: 10px; }
.st-card {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 12px; border-radius: 13px; cursor: default;
  border: 1px solid transparent;
}
.st-card:hover { background: var(--hover); border-color: var(--line); }
.st-card .app-icon, .st-row .app-icon { width: 50px; height: 50px; font-size: 30px; }
.st-card-info { flex: 1; min-width: 0; }
.st-card-info b { display: block; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.st-card-info small { display: block; font-size: 12px; opacity: .6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.st-cat { font-size: 11px; opacity: .45; }
.st-mine {
  font-size: 10px; background: var(--accent); color: #fff;
  border-radius: 4px; padding: 1px 5px; vertical-align: 2px; font-weight: 600;
}
.st-get {
  border: none; border-radius: 14px; padding: 5px 16px;
  background: rgba(120, 120, 128, .18); color: var(--accent);
  font-size: 13px; font-weight: 700; flex-shrink: 0; min-width: 62px; position: relative;
}
.st-get:hover { background: rgba(120, 120, 128, .3); }
.st-get.open { color: var(--win-fg); }
.st-get.loading { color: transparent; pointer-events: none; }
.st-get.loading::after {
  content: ''; position: absolute; inset: 0; margin: auto;
  width: 13px; height: 13px; border-radius: 50%;
  border: 2px solid rgba(120, 120, 128, .35); border-top-color: var(--accent);
  animation: st-spin .7s linear infinite;
}
@keyframes st-spin { to { transform: rotate(360deg); } }
.st-link {
  border: none; background: none; color: var(--accent);
  font-size: 13px; padding: 4px 8px; border-radius: 6px; flex-shrink: 0;
}
.st-link:hover { background: var(--hover); }
.st-rows { display: flex; flex-direction: column; }
.st-row {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 8px; border-bottom: 1px solid var(--line); cursor: default;
}
.st-empty { opacity: .45; padding: 30px 0; text-align: center; }
.st-hint { font-size: 12.5px; opacity: .55; margin-bottom: 14px; line-height: 1.6; }
.st-detail-head { display: flex; align-items: center; gap: 18px; margin: 14px 0 20px; }
.st-detail-icon .app-icon { width: 84px; height: 84px; font-size: 50px; }
.st-detail-meta { flex: 1; min-width: 0; }
.st-detail-meta h2 { font-size: 22px; }
.st-detail-meta p { font-size: 13.5px; opacity: .65; margin: 3px 0; }
.st-detail-meta small { font-size: 12px; opacity: .45; }
.st-detail-act { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.st-badges {
  display: flex; gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 12px 0; margin-bottom: 16px;
}
.st-badges > div { flex: 1; text-align: center; border-right: 1px solid var(--line); }
.st-badges > div:last-child { border-right: none; }
.st-badges b { display: block; font-size: 15px; }
.st-badges small { font-size: 11px; opacity: .5; }
.st-long { font-size: 13.5px; line-height: 1.8; opacity: .85; max-width: 640px; }

/* 发布表单 */
.pub-form { display: flex; flex-direction: column; gap: 12px; max-width: 640px; }
.pub-form label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; opacity: .9; }
.pub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; }
.pub-form input, .pub-form select, .pub-form textarea {
  padding: 7px 10px; border-radius: 7px; border: 1px solid var(--line);
  background: var(--hover); color: inherit; outline: none; font-size: 13.5px;
}
.pub-form input:focus, .pub-form textarea:focus { border-color: var(--accent); }
.pub-form textarea { font-family: "SF Mono", Menlo, Consolas, monospace; font-size: 12px; line-height: 1.5; resize: vertical; }
.pub-form input[type=color] { padding: 2px; height: 34px; cursor: pointer; }
.pub-radio { display: flex; gap: 18px; }
.pub-radio label { flex-direction: row; align-items: center; gap: 6px; font-size: 13.5px; }
.pub-form .btn.primary { align-self: flex-start; padding: 7px 22px; border-radius: 8px; font-size: 14px; }

/* ===================== 文本预览 ===================== */
.textview { flex: 1; padding: 20px 24px; font-size: 14.5px; line-height: 1.8; white-space: pre-wrap; user-select: text; -webkit-user-select: text; overflow: auto; }

/* ===================== 废纸篓 ===================== */
.trash-empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; opacity: .5; }
.trash-empty span { font-size: 56px; }

/* 滚动条 */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(120, 120, 128, .4); border-radius: 4px; border: 2px solid transparent; }
::-webkit-scrollbar-track { background: transparent; }