@font-face {
  font-family: 'IBM Plex Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/ibm-plex-sans-600-latin.woff2') format('woff2');
}

:root {
  --sans: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --mono: 'SFMono-Regular', 'Cascadia Code', 'Consolas', 'Liberation Mono', monospace;
  --latin: 'IBM Plex Sans', 'Helvetica Neue', Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: #FEF7FF;
  font-family: var(--sans);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; color: inherit; }
[hidden] { display: none !important; }

.wall {
  --k: 1;
  --fs: 1;
  --fit: 1;
  position: fixed;
  inset: 0;
  overflow: hidden;
  font-family: var(--sans);
  isolation: isolate;
}

/* ============================================================
   Liquid Glass
   ============================================================ */
.wall[data-theme="glass"] {
  --ink: #171a2b;
  --dim: rgba(23, 26, 43, .62);
  --tint: rgba(255, 255, 255, .46);
  --tint2: rgba(255, 255, 255, .2);
  --border: rgba(255, 255, 255, .66);
  --hi: rgba(255, 255, 255, .95);
  --shadow: 0 32px 70px rgba(70, 60, 120, .18);
  --island: rgba(18, 20, 32, .82);
  --island-ink: #f7f8ff;
  --solid: #171a2b;
  --on-solid: #ffffff;
  background: #e8edff;
  color: var(--ink);
}
.wall[data-theme="glass"].is-dark {
  --ink: #f7f8ff;
  --dim: rgba(247, 248, 255, .66);
  --tint: rgba(255, 255, 255, .15);
  --tint2: rgba(255, 255, 255, .055);
  --border: rgba(255, 255, 255, .25);
  --hi: rgba(255, 255, 255, .58);
  --shadow: 0 32px 70px rgba(0, 0, 0, .3);
  --island: rgba(8, 10, 18, .58);
  --island-ink: #f7f8ff;
  --solid: #f7f8ff;
  --on-solid: #11131d;
  background: #0a0f20;
}
.gl-bg {
  position: absolute;
  inset: -12%;
  pointer-events: none;
  background:
    radial-gradient(42% 52% at 18% 18%, #b9c7ff 0%, transparent 68%),
    radial-gradient(40% 48% at 82% 12%, #ffc3df 0%, transparent 70%),
    radial-gradient(48% 55% at 76% 86%, #b9f4ea 0%, transparent 70%),
    radial-gradient(40% 48% at 12% 88%, #ffd9b3 0%, transparent 70%),
    #e8edff;
  filter: blur(calc(26px * var(--k))) saturate(110%);
  animation: glDrift 26s ease-in-out infinite alternate;
}
.wall.is-dark .gl-bg {
  background:
    radial-gradient(42% 52% at 18% 18%, #4130a8 0%, transparent 68%),
    radial-gradient(40% 48% at 82% 12%, #9a2a72 0%, transparent 70%),
    radial-gradient(48% 55% at 76% 86%, #0c6f86 0%, transparent 70%),
    radial-gradient(40% 48% at 12% 88%, #8c4a2c 0%, transparent 70%),
    #0a0f20;
  filter: blur(calc(26px * var(--k))) saturate(125%);
}
.gl-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .14;
  background-image:
    radial-gradient(rgba(255, 255, 255, .5) .5px, transparent .5px),
    radial-gradient(rgba(0, 0, 0, .35) .5px, transparent .5px);
  background-size: 3px 3px, 4px 4px;
  background-position: 0 0, 1px 2px;
  mix-blend-mode: overlay;
}
@keyframes glDrift {
  from { transform: scale(1.02) translate(-.6%, -.4%); }
  to { transform: scale(1.06) translate(.8%, .6%); }
}
.gl-top {
  position: absolute;
  top: calc(20px * var(--k));
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.gl-island {
  height: calc(42px * var(--k));
  display: flex;
  align-items: center;
  gap: calc(9px * var(--k));
  padding: 0 calc(16px * var(--k));
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  background: var(--island);
  color: var(--island-ink);
  font-size: calc(12px * var(--k));
  backdrop-filter: blur(calc(24px * var(--k))) saturate(150%);
  -webkit-backdrop-filter: blur(calc(24px * var(--k))) saturate(150%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .24), 0 10px 26px rgba(0, 0, 0, .22);
}
.gl-live {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #5fe0a0;
  box-shadow: 0 0 9px rgba(95, 224, 160, .9);
}
.gl-island b { font-weight: 650; }
.gl-sep { width: 1px; height: calc(12px * var(--k)); background: rgba(255, 255, 255, .22); }
.gl-time { font-family: var(--mono); font-size: calc(13px * var(--k)); letter-spacing: .05em; }
.gl-exit {
  position: absolute;
  top: calc(20px * var(--k));
  right: calc(22px * var(--k));
  z-index: 12;
  height: calc(40px * var(--k));
  padding: 0 calc(16px * var(--k));
  border: 1px solid var(--border);
  border-radius: 999px;
  background: linear-gradient(145deg, var(--tint), var(--tint2));
  color: var(--ink);
  font-size: calc(12px * var(--k));
  font-weight: 600;
  letter-spacing: .06em;
  backdrop-filter: blur(calc(24px * var(--k))) saturate(150%);
  -webkit-backdrop-filter: blur(calc(24px * var(--k))) saturate(150%);
  box-shadow: inset 0 1px 0 var(--hi), 0 8px 22px rgba(0, 0, 0, .18);
  cursor: pointer;
}
.wall[data-mode="edit"] .gl-exit { display: none; }
.gl-grid {
  position: absolute;
  inset: calc(78px * var(--k)) calc(24px * var(--k)) calc(104px * var(--k));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: calc(14px * var(--k));
  z-index: 2;
}
.gl-tile {
  position: relative;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: calc(20px * var(--k)) calc(22px * var(--k)) calc(18px * var(--k));
  border: 1px solid var(--border);
  border-radius: calc(32px * var(--k));
  background: linear-gradient(145deg, var(--tint), var(--tint2));
  backdrop-filter: blur(calc(32px * var(--k))) saturate(165%);
  -webkit-backdrop-filter: blur(calc(32px * var(--k))) saturate(165%);
  box-shadow:
    inset 0 1px 0 var(--hi),
    inset 0 -1px 0 rgba(255, 255, 255, .06),
    var(--shadow);
  overflow: hidden;
  transition: transform .45s cubic-bezier(.2, .8, .2, 1), border-color .3s, box-shadow .45s;
  animation: glFloat 9s ease-in-out infinite;
}
.gl-tile:nth-child(2n) { animation-delay: -2.2s; }
.gl-tile:nth-child(3n) { animation-delay: -4.4s; }
.gl-tile::before {
  content: '';
  position: absolute;
  width: 72%;
  height: 72%;
  left: -12%;
  top: -22%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(122, 184, 255, .5), transparent 68%);
  filter: blur(calc(34px * var(--k)));
  opacity: .35;
  pointer-events: none;
}
.gl-tile:nth-child(1)::before { background: radial-gradient(circle, rgba(255, 138, 138, .55), transparent 68%); }
.gl-tile:nth-child(2)::before { background: radial-gradient(circle, rgba(122, 184, 255, .55), transparent 68%); }
.gl-tile:nth-child(3)::before { background: radial-gradient(circle, rgba(240, 166, 255, .55), transparent 68%); }
.gl-tile:nth-child(4)::before { background: radial-gradient(circle, rgba(111, 240, 216, .5), transparent 68%); }
.gl-tile:nth-child(5)::before { background: radial-gradient(circle, rgba(255, 192, 120, .55), transparent 68%); }
.gl-tile:nth-child(6)::before { background: radial-gradient(circle, rgba(168, 240, 138, .5), transparent 68%); }
.wall.is-dark .gl-tile:nth-child(1)::before { background: radial-gradient(circle, rgba(255, 138, 138, .58), transparent 68%); }
.gl-tile::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(calc(340px * var(--k)) calc(340px * var(--k)) at var(--mx, 30%) var(--my, 18%), rgba(255, 255, 255, .22), transparent 62%),
    linear-gradient(118deg, rgba(255, 255, 255, .24), transparent 32%, transparent 68%, rgba(255, 255, 255, .07));
  opacity: .9;
  transition: opacity .25s;
  pointer-events: none;
}
.gl-tile:hover { transform: translateY(calc(-4px * var(--k))) scale(1.006); border-color: rgba(255, 255, 255, .5); }
.wall[data-mode="edit"] .gl-tile { cursor: pointer; animation: none; }
.wall[data-mode="edit"] .gl-tile:hover { box-shadow: inset 0 1px 0 var(--hi), 0 36px 80px rgba(0, 0, 0, .3); }
@keyframes glFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(calc(-4px * var(--k))); }
}
.gl-head { position: relative; z-index: 1; display: flex; align-items: baseline; gap: calc(9px * var(--k)); }
.gl-subject {
  font-size: calc(42px * var(--k) * var(--fit));
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink);
  text-shadow: 0 2px 18px rgba(0, 0, 0, .18);
  line-height: 1.15;
}
.gl-content {
  position: relative;
  z-index: 1;
  margin-top: calc(15px * var(--k));
  font-size: calc(37px * var(--k) * var(--fs) * var(--fit));
  line-height: 1.32;
  color: var(--ink);
  text-shadow: 0 2px 16px rgba(0, 0, 0, .2);
  white-space: pre-line;
  overflow: hidden;
}
.gl-due {
  position: relative;
  z-index: 1;
  margin-top: auto;
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: calc(7px * var(--k));
  padding: calc(6px * var(--k)) calc(13px * var(--k));
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 999px;
  background: rgba(255, 255, 255, .2);
  color: var(--ink);
  font: 600 calc(16px * var(--k)) var(--mono);
  backdrop-filter: blur(calc(10px * var(--k)));
  -webkit-backdrop-filter: blur(calc(10px * var(--k)));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .28);
}
.gl-due svg { width: calc(17px * var(--k)); height: calc(17px * var(--k)); fill: currentColor; opacity: .8; }
.wall.is-dark .gl-due { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .2); }
.gl-tile.is-empty { animation: none; }
.gl-tile.is-empty::before { opacity: .14; }
.gl-tile.is-empty .gl-content {
  margin-top: auto;
  margin-bottom: auto;
  font-size: calc(28px * var(--k) * var(--fit));
  color: var(--dim);
  text-align: center;
  text-shadow: none;
}
.gl-tile-add {
  position: relative;
  z-index: 1;
  display: none;
  margin: calc(4px * var(--k)) auto calc(10px * var(--k));
  height: calc(46px * var(--k));
  padding: 0 calc(20px * var(--k));
  align-items: center;
  border: 1px dashed var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  color: var(--ink);
  font-size: calc(14px * var(--k));
  font-weight: 600;
  cursor: pointer;
}
.wall[data-mode="edit"] .gl-tile.is-empty .gl-tile-add { display: inline-flex; }
.wall[data-mode="edit"] .gl-tile.is-empty .gl-content { margin-bottom: calc(8px * var(--k)); }
.gl-edit-hint {
  position: absolute;
  top: calc(14px * var(--k));
  right: calc(14px * var(--k));
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: calc(6px * var(--k));
  height: calc(34px * var(--k));
  padding: 0 calc(13px * var(--k));
  border-radius: 999px;
  background: var(--island);
  color: var(--island-ink);
  font-size: calc(12px * var(--k));
  font-weight: 600;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .18s, transform .18s;
  pointer-events: none;
}
.gl-edit-hint svg { width: calc(14px * var(--k)); height: calc(14px * var(--k)); fill: currentColor; }
.wall[data-mode="edit"] .gl-tile:hover .gl-edit-hint,
.wall[data-mode="edit"] .gl-tile:focus-visible .gl-edit-hint { opacity: 1; transform: translateY(0); }

/* Glass dock */
.gl-dock {
  position: absolute;
  left: 50%;
  bottom: calc(18px * var(--k));
  transform: translateX(-50%);
  z-index: 14;
  display: flex;
  align-items: center;
  gap: calc(10px * var(--k));
  min-height: calc(62px * var(--k));
  max-width: calc(100vw - 32px * var(--k));
  padding: calc(9px * var(--k)) calc(14px * var(--k));
  border: 1px solid rgba(255, 255, 255, .42);
  border-radius: 999px;
  background: linear-gradient(145deg, rgba(255, 255, 255, .72), rgba(255, 255, 255, .36));
  backdrop-filter: blur(calc(30px * var(--k))) saturate(165%);
  -webkit-backdrop-filter: blur(calc(30px * var(--k))) saturate(165%);
  box-shadow: inset 0 1px 0 #fff, 0 18px 44px rgba(80, 70, 120, .18);
}
.wall.is-dark .gl-dock {
  background: linear-gradient(145deg, rgba(255, 255, 255, .2), rgba(255, 255, 255, .07));
  border-color: rgba(255, 255, 255, .3);
  box-shadow: inset 0 1px 0 var(--hi), 0 20px 50px rgba(0, 0, 0, .3);
}
.gl-group { display: flex; align-items: center; gap: calc(4px * var(--k)); flex: none; }
.gl-icon {
  height: calc(42px * var(--k));
  min-width: calc(42px * var(--k));
  padding: 0 calc(11px * var(--k));
  border: 1px solid transparent;
  border-radius: 999px;
  background: none;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: calc(13px * var(--k));
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .12s;
}
.gl-icon svg { width: calc(20px * var(--k)); height: calc(20px * var(--k)); fill: currentColor; }
.gl-icon:hover { background: rgba(255, 255, 255, .28); }
.wall.is-dark .gl-icon:hover { background: rgba(255, 255, 255, .14); }
.gl-icon:active { transform: scale(.94); }
.gl-scale { min-width: calc(46px * var(--k)); text-align: center; font: 600 calc(12px * var(--k)) var(--mono); color: var(--dim); }
.gl-date {
  display: none;
  align-items: center;
  gap: calc(7px * var(--k));
  height: calc(42px * var(--k));
  padding: 0 calc(6px * var(--k));
  border-radius: 999px;
  background: rgba(255, 255, 255, .18);
  flex: none;
}
.wall.is-dark .gl-date { background: rgba(255, 255, 255, .08); }
.gl-date b { font-size: calc(13px * var(--k)); font-weight: 650; white-space: nowrap; }
.gl-date span { font-size: calc(12px * var(--k)); color: var(--dim); white-space: nowrap; }
.gl-today {
  height: calc(34px * var(--k));
  padding: 0 calc(12px * var(--k));
  margin-left: calc(2px * var(--k));
  border: none;
  border-radius: 999px;
  background: var(--solid);
  color: var(--on-solid);
  font-size: calc(11px * var(--k));
  font-weight: 700;
  cursor: pointer;
}
.gl-text {
  height: calc(42px * var(--k));
  padding: 0 calc(12px * var(--k));
  border: 1px solid transparent;
  border-radius: 999px;
  background: none;
  color: var(--ink);
  font-size: calc(12px * var(--k));
  font-weight: 600;
  white-space: nowrap;
  flex: none;
  cursor: pointer;
}
.gl-text:hover { background: rgba(255, 255, 255, .22); }
.gl-edit-only { display: none !important; }
.wall[data-mode="edit"] .gl-edit-only { display: flex !important; align-items: center; }
.wall[data-mode="edit"] .gl-spacer { flex: 1; }
.wall[data-mode="edit"] .gl-date { display: flex; }
.wall[data-mode="edit"] .gl-dock { justify-content: center; }
.gl-add {
  height: calc(46px * var(--k));
  padding: 0 calc(18px * var(--k));
  border: 1px solid rgba(255, 255, 255, .34);
  border-radius: 999px;
  background: var(--solid);
  color: var(--on-solid);
  display: none;
  align-items: center;
  justify-content: center;
  gap: calc(6px * var(--k));
  font-size: calc(13px * var(--k));
  font-weight: 700;
  white-space: nowrap;
  flex: none;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, .18);
}
.wall[data-mode="edit"] .gl-add { display: inline-flex; }
.gl-done {
  height: calc(46px * var(--k));
  padding: 0 calc(18px * var(--k));
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, .26);
  color: var(--ink);
  display: none;
  align-items: center;
  gap: calc(7px * var(--k));
  font-size: calc(13px * var(--k));
  font-weight: 700;
  white-space: nowrap;
  flex: none;
  cursor: pointer;
}
.wall.is-dark .gl-done { background: rgba(255, 255, 255, .12); }
.wall[data-mode="edit"] .gl-done { display: inline-flex; }
.gl-done svg { width: calc(16px * var(--k)); height: calc(16px * var(--k)); fill: currentColor; }
.gl-slot { position: relative; }

/* Glass sheet */
.gl-sheet-wrap {
  position: absolute;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 9, 20, .38);
  backdrop-filter: blur(calc(12px * var(--k)));
  -webkit-backdrop-filter: blur(calc(12px * var(--k)));
}
.gl-sheet {
  width: calc(700px * var(--k));
  max-width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  padding: calc(18px * var(--k)) calc(26px * var(--k)) calc(22px * var(--k));
  border: 1px solid var(--border);
  border-radius: calc(34px * var(--k));
  background: linear-gradient(150deg, rgba(255, 255, 255, .82), rgba(255, 255, 255, .58));
  color: var(--ink);
  backdrop-filter: blur(calc(44px * var(--k))) saturate(175%);
  -webkit-backdrop-filter: blur(calc(44px * var(--k))) saturate(175%);
  box-shadow: inset 0 1px 0 #fff, 0 50px 120px rgba(0, 0, 0, .35);
  outline: none;
  animation: glSheetIn .3s cubic-bezier(.2, .9, .25, 1.1);
}
.wall.is-dark .gl-sheet {
  background: linear-gradient(150deg, rgba(22, 26, 44, .9), rgba(14, 18, 32, .82));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .2), 0 50px 120px rgba(0, 0, 0, .5);
}
@keyframes glSheetIn {
  from { transform: translateY(26px) scale(.97); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.gl-grabber { width: calc(42px * var(--k)); height: calc(5px * var(--k)); margin: 0 auto calc(12px * var(--k)); border-radius: 99px; background: rgba(23, 26, 43, .22); }
.wall.is-dark .gl-grabber { background: rgba(255, 255, 255, .4); }
.gl-sheet-head { display: flex; align-items: flex-start; gap: calc(12px * var(--k)); }
.gl-sheet-head h3 { margin: 0; font-size: calc(25px * var(--k)); font-weight: 600; }
.gl-sheet-head p { margin: calc(3px * var(--k)) 0 0; font-size: calc(12px * var(--k)); color: var(--dim); }
.gl-close {
  margin-left: auto;
  width: calc(38px * var(--k));
  height: calc(38px * var(--k));
  border: none;
  border-radius: 50%;
  background: rgba(23, 26, 43, .06);
  color: var(--ink);
  display: grid;
  place-items: center;
  font-size: calc(20px * var(--k));
  line-height: 1;
  cursor: pointer;
}
.wall.is-dark .gl-close { background: rgba(255, 255, 255, .12); }
.gl-subjects { display: grid; grid-template-columns: repeat(6, 1fr); gap: calc(7px * var(--k)); margin-top: calc(14px * var(--k)); }
.gl-chip {
  height: calc(42px * var(--k));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(5px * var(--k));
  border: 1px solid rgba(23, 26, 43, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .4);
  color: var(--ink);
  font-size: calc(12px * var(--k));
  font-weight: 600;
  cursor: pointer;
}
.wall.is-dark .gl-chip { border-color: rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .08); }
.gl-chip .dot,
.md-subchip .dot { width: calc(5px * var(--k)); height: calc(5px * var(--k)); border-radius: 50%; background: currentColor; opacity: .5; }
.gl-chip.has .dot { opacity: 1; background: #35a06a; }
.gl-chip.on { background: var(--solid); color: var(--on-solid); border-color: transparent; }
.gl-chip.on .dot { background: currentColor; }
.gl-label { display: block; margin: calc(14px * var(--k)) 0 calc(6px * var(--k)); font-size: calc(11px * var(--k)); font-weight: 600; color: var(--dim); }
.gl-textarea {
  width: 100%;
  min-height: calc(126px * var(--k));
  padding: calc(12px * var(--k)) calc(14px * var(--k));
  border: 1px solid rgba(23, 26, 43, .18);
  border-radius: calc(18px * var(--k));
  background: rgba(255, 255, 255, .55);
  color: var(--ink);
  font: calc(15px * var(--k))/1.5 var(--sans);
  resize: none;
  outline: none;
}
.wall.is-dark .gl-textarea { border-color: rgba(255, 255, 255, .22); background: rgba(8, 10, 20, .32); }
.gl-textarea:focus { border-color: rgba(23, 26, 43, .5); }
.wall.is-dark .gl-textarea:focus { border-color: rgba(255, 255, 255, .5); }
.gl-counter { margin-top: calc(4px * var(--k)); text-align: right; font: calc(10px * var(--k)) var(--mono); color: var(--dim); }
.gl-deadline { display: flex; gap: calc(8px * var(--k)); }
.gl-dayseg { height: calc(40px * var(--k)); display: flex; border: 1px solid rgba(23, 26, 43, .16); border-radius: 999px; overflow: hidden; flex: none; }
.wall.is-dark .gl-dayseg { border-color: rgba(255, 255, 255, .22); }
.gl-dayseg button {
  height: 100%;
  padding: 0 calc(15px * var(--k));
  border: none;
  background: none;
  color: var(--dim);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: calc(12px * var(--k));
  font-weight: 600;
  cursor: pointer;
}
.gl-dayseg button.on { background: var(--solid); color: var(--on-solid); }
.gl-input {
  flex: 1;
  min-width: 0;
  height: calc(40px * var(--k));
  padding: 0 calc(14px * var(--k));
  border: 1px solid rgba(23, 26, 43, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .55);
  color: var(--ink);
  font: calc(13px * var(--k)) var(--mono);
  outline: none;
}
.wall.is-dark .gl-input { border-color: rgba(255, 255, 255, .22); background: rgba(8, 10, 20, .3); }
.gl-actions { display: flex; align-items: center; gap: calc(8px * var(--k)); margin-top: calc(18px * var(--k)); }
.gl-spacer { flex: 1; }
.gl-pill {
  height: calc(42px * var(--k));
  padding: 0 calc(18px * var(--k));
  border: 1px solid rgba(23, 26, 43, .16);
  border-radius: 999px;
  background: rgba(255, 255, 255, .45);
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: calc(7px * var(--k));
  font-size: calc(13px * var(--k));
  font-weight: 600;
  cursor: pointer;
  transition: transform .12s, background .15s;
}
.wall.is-dark .gl-pill { border-color: rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .1); }
.gl-pill:active { transform: scale(.97); }
.gl-pill svg { width: calc(15px * var(--k)); height: calc(15px * var(--k)); fill: currentColor; }
.gl-pill.primary { background: var(--solid); color: var(--on-solid); border-color: transparent; }
.gl-pill.danger { color: #b3261e; border-color: rgba(179, 38, 30, .35); background: rgba(179, 38, 30, .08); }
.wall.is-dark .gl-pill.danger { color: #ffb4ab; border-color: rgba(255, 138, 138, .4); background: rgba(255, 138, 138, .1); }

/* ============================================================
   Material You / Material 3
   ============================================================ */
.wall[data-theme="material"] {
  --md-surface: #FEF7FF;
  --md-lowest: #FFFFFF;
  --md-low: #F7F2FA;
  --md-high: #ECE6F0;
  --md-on: #1D1B20;
  --md-on-variant: #49454F;
  --md-outline: #79747E;
  --md-outline-variant: #CAC4D0;
  --md-primary: #6750A4;
  --md-on-primary: #FFFFFF;
  --md-primary-container: #EADDFF;
  --md-on-primary-container: #21005D;
  --md-secondary-container: #E8DEF8;
  --md-on-secondary-container: #1D192B;
  --md-error: #B3261E;
  --md-inverse: #322F35;
  --md-inverse-on: #F5EFF7;
  background: var(--md-surface);
  color: var(--md-on);
}
.wall[data-theme="material"].is-dark {
  --md-surface: #141218;
  --md-lowest: #0F0D13;
  --md-low: #1D1B20;
  --md-high: #2B2930;
  --md-on: #E6E0E9;
  --md-on-variant: #CAC4D0;
  --md-outline: #938F99;
  --md-outline-variant: #49454F;
  --md-primary: #D0BCFF;
  --md-on-primary: #381E72;
  --md-primary-container: #4F378B;
  --md-on-primary-container: #EADDFF;
  --md-secondary-container: #4A4458;
  --md-on-secondary-container: #E8DEF8;
  --md-error: #F2B8B5;
  --md-inverse: #E6E0E9;
  --md-inverse-on: #322F35;
}
.md-wash {
  position: absolute;
  inset: 0 0 auto 0;
  height: calc(330px * var(--k));
  pointer-events: none;
  background:
    radial-gradient(58% 80% at 10% 0%, #EADDFF 0%, transparent 70%),
    radial-gradient(48% 70% at 62% 0%, #FFD8E4 0%, transparent 70%),
    radial-gradient(42% 62% at 100% 0%, #D3E3FD 0%, transparent 70%);
  opacity: .9;
}
.wall.is-dark .md-wash {
  background:
    radial-gradient(58% 80% at 10% 0%, #4F378B 0%, transparent 70%),
    radial-gradient(48% 70% at 62% 0%, #633B48 0%, transparent 70%),
    radial-gradient(42% 62% at 100% 0%, #0842A0 0%, transparent 70%);
  opacity: .55;
}
.md-meta {
  position: absolute;
  top: calc(24px * var(--k));
  left: calc(30px * var(--k));
  right: calc(30px * var(--k));
  z-index: 2;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: calc(15px * var(--k));
  color: var(--md-on-variant);
}
.md-meta-date { display: flex; align-items: baseline; gap: calc(8px * var(--k)); }
.md-meta-date b { font-weight: 650; color: var(--md-on); }
.md-meta-clock { font: 600 calc(15px * var(--k)) var(--mono); letter-spacing: .04em; }
.md-body {
  position: absolute;
  inset: calc(72px * var(--k)) calc(28px * var(--k)) calc(26px * var(--k));
  display: flex;
}
.wall[data-mode="edit"] .md-body { inset: calc(24px * var(--k)) calc(24px * var(--k)) calc(150px * var(--k)); }
.wall[data-mode="edit"] .md-meta { display: none; }
.md-grid {
  flex: 1;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: calc(16px * var(--k));
}
.md-card {
  position: relative;
  min-height: 0;
  display: flex;
  flex-direction: column;
  padding: calc(22px * var(--k)) calc(24px * var(--k)) calc(18px * var(--k));
  border-radius: calc(28px * var(--k));
  overflow: hidden;
  transition: box-shadow .2s, transform .2s;
  animation: mdCardIn .5s cubic-bezier(.2, .8, .2, 1) backwards;
}
.md-card:nth-child(1) { background: #FFDAD6; color: #410002; animation-delay: 0ms; }
.md-card:nth-child(2) { background: #D3E3FD; color: #041E49; animation-delay: 45ms; }
.md-card:nth-child(3) { background: #FFD8F5; color: #3B0633; animation-delay: 90ms; }
.md-card:nth-child(4) { background: #C8F0EA; color: #00201C; animation-delay: 135ms; }
.md-card:nth-child(5) { background: #FFE0B3; color: #2A1700; animation-delay: 180ms; }
.md-card:nth-child(6) { background: #D7F0C8; color: #0C2000; animation-delay: 225ms; }
/* 暗色：容器退成深色 tonal surface，科目标识只留一点低饱和色相。
   直接铺 M3 的 primary-container 会让六块卡片变成满屏高饱和大色块，
   和 M3 暗色「低亮度、低彩度、靠层级分面」的取向相反。 */
.wall.is-dark .md-card:nth-child(1) { background: color-mix(in oklab, #FFDAD6 15%, #141218); color: #FFDAD6; }
.wall.is-dark .md-card:nth-child(2) { background: color-mix(in oklab, #D3E3FD 14%, #141218); color: #D3E3FD; }
.wall.is-dark .md-card:nth-child(3) { background: color-mix(in oklab, #FFD8F5 14%, #141218); color: #FFD8F5; }
.wall.is-dark .md-card:nth-child(4) { background: color-mix(in oklab, #C8F0EA 13%, #141218); color: #C8F0EA; }
.wall.is-dark .md-card:nth-child(5) { background: color-mix(in oklab, #FFE0B3 14%, #141218); color: #FFE0B3; }
.wall.is-dark .md-card:nth-child(6) { background: color-mix(in oklab, #D7F0C8 13%, #141218); color: #D7F0C8; }
@keyframes mdCardIn {
  from { opacity: 0; transform: translateY(16px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.md-card:hover { box-shadow: 0 4px 14px rgba(0, 0, 0, .14); }
.wall.is-dark .md-card:hover { box-shadow: 0 4px 14px rgba(0, 0, 0, .5); }
.wall[data-mode="edit"] .md-card { cursor: pointer; padding: calc(16px * var(--k)) calc(18px * var(--k)) calc(14px * var(--k)); border-radius: calc(22px * var(--k)); animation: none; }
.wall[data-mode="edit"] .md-card:hover { transform: translateY(-1px); }
.wall[data-mode="edit"] .md-card:active { transform: scale(.985); }
.md-card-head { display: flex; align-items: baseline; gap: calc(9px * var(--k)); }
.md-subject { font-size: calc(26px * var(--k) * var(--fit)); font-weight: 650; letter-spacing: .01em; line-height: 1.2; }
.md-content {
  margin-top: calc(11px * var(--k));
  font-size: calc(42px * var(--k) * var(--fs) * var(--fit));
  line-height: 1.32;
  white-space: pre-line;
  overflow: hidden;
}
.wall[data-mode="edit"] .md-content { font-size: calc(34px * var(--k) * var(--fs) * var(--fit)); }
.md-due {
  margin-top: auto;
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: calc(8px * var(--k));
  height: calc(64px * var(--k));
  padding: 0 calc(22px * var(--k));
  border: 1px solid color-mix(in srgb, currentColor 22%, transparent);
  border-radius: calc(22px * var(--k));
  background: color-mix(in srgb, #fff 38%, transparent);
  font: 650 calc(22px * var(--k)) var(--latin);
  letter-spacing: .01em;
}
.md-due svg { width: calc(28px * var(--k)); height: calc(28px * var(--k)); fill: currentColor; opacity: .72; flex: none; }
.wall.is-dark .md-due { background: color-mix(in srgb, #000 16%, transparent); }
.md-empty-add {
  display: none;
  margin: calc(10px * var(--k)) auto 0;
  height: calc(48px * var(--k));
  padding: 0 calc(24px * var(--k));
  border: 1px solid var(--md-outline);
  border-radius: calc(24px * var(--k));
  background: none;
  color: var(--md-primary);
  font-size: calc(14px * var(--k));
  font-weight: 650;
  cursor: pointer;
  transition: background .15s, transform .12s;
}
.md-empty-add:hover { background: color-mix(in srgb, var(--md-primary) 8%, transparent); }
.md-empty-add:active { transform: scale(.96); }
.md-edit-hint {
  position: absolute;
  top: calc(16px * var(--k));
  right: calc(16px * var(--k));
  display: inline-flex;
  align-items: center;
  gap: calc(6px * var(--k));
  height: calc(36px * var(--k));
  padding: 0 calc(14px * var(--k));
  border-radius: calc(18px * var(--k));
  background: var(--md-inverse);
  color: var(--md-inverse-on);
  font-size: calc(12px * var(--k));
  font-weight: 650;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .18s, transform .18s;
  pointer-events: none;
}
.md-edit-hint svg { width: calc(14px * var(--k)); height: calc(14px * var(--k)); fill: currentColor; }
.wall[data-mode="edit"] .md-card:hover .md-edit-hint,
.wall[data-mode="edit"] .md-card:focus-visible .md-edit-hint { opacity: 1; transform: translateY(0); }
.md-card.is-empty {
  background: var(--md-low);
  color: var(--md-on-variant);
  border: 1px dashed var(--md-outline-variant);
  animation: none;
}
/* 上面 6 条暗色 nth-child 比 .md-card.is-empty 多两级，会把空卡的素色底盖回去 */
.wall.is-dark .md-card.is-empty { background: var(--md-low); color: var(--md-on-variant); }
.md-card.is-empty .md-content {
  margin-top: auto;
  margin-bottom: auto;
  text-align: center;
  font-size: calc(26px * var(--k));
  opacity: .72;
}
.wall[data-mode="edit"] .md-card.is-empty .md-empty-add { display: block; }

/* Material 大 FAB */
.md-fab {
  position: absolute;
  right: calc(32px * var(--k));
  bottom: calc(28px * var(--k));
  z-index: 10;
  height: calc(96px * var(--k));
  padding: 0 calc(30px * var(--k));
  border: none;
  border-radius: calc(28px * var(--k));
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  display: inline-flex;
  align-items: center;
  gap: calc(12px * var(--k));
  font-size: calc(20px * var(--k));
  font-weight: 650;
  box-shadow: 0 4px 8px rgba(0, 0, 0, .18), 0 6px 20px rgba(0, 0, 0, .14);
  transition: box-shadow .18s, transform .18s, border-radius .18s;
  cursor: pointer;
}
.md-fab:hover { box-shadow: 0 6px 12px rgba(0, 0, 0, .2), 0 10px 28px rgba(0, 0, 0, .18); }
.md-fab:active { transform: scale(.96); border-radius: calc(22px * var(--k)); }
.md-fab svg { width: calc(30px * var(--k)); height: calc(30px * var(--k)); fill: currentColor; }
.wall[data-mode="edit"] .md-fab { display: none; }

/* Material edit bar */
.md-bar {
  position: absolute;
  left: 50%;
  bottom: calc(24px * var(--k));
  transform: translateX(-50%);
  z-index: 16;
  display: none;
  align-items: center;
  gap: calc(8px * var(--k));
  height: calc(92px * var(--k));
  max-width: calc(100vw - 32px * var(--k));
  padding: 0 calc(14px * var(--k));
  border-radius: calc(46px * var(--k));
  background: var(--md-high);
  box-shadow: 0 6px 22px rgba(0, 0, 0, .16);
  animation: mdBarIn .32s cubic-bezier(.2, .8, .2, 1);
}
.wall[data-mode="edit"] .md-bar { display: flex; }
@keyframes mdBarIn {
  from { opacity: 0; transform: translate(-50%, 18px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}
.md-bar-icon {
  width: calc(64px * var(--k));
  height: calc(64px * var(--k));
  flex: none;
  border: none;
  border-radius: 50%;
  background: none;
  color: var(--md-on-variant);
  display: grid;
  place-items: center;
  font-size: calc(14px * var(--k));
  font-weight: 650;
  cursor: pointer;
}
.md-bar-icon svg { width: calc(24px * var(--k)); height: calc(24px * var(--k)); fill: currentColor; }
.md-bar-icon:hover { background: color-mix(in srgb, var(--md-on) 8%, transparent); }
.md-bar-icon:active { transform: scale(.9); }
.md-bar-date, .md-bar-sep, .md-scale, .md-bar-text, .md-bar-done, .md-slot { flex: none; }
.md-seg { display: flex; gap: calc(4px * var(--k)); flex: none; }
.md-seg button {
  height: calc(64px * var(--k));
  padding: 0 calc(20px * var(--k));
  border: none;
  border-radius: calc(32px * var(--k));
  background: none;
  color: var(--md-on-variant);
  display: inline-flex;
  align-items: center;
  gap: calc(7px * var(--k));
  font-size: calc(16px * var(--k));
  font-weight: 650;
  white-space: nowrap;
  flex: none;
  cursor: pointer;
}
.md-seg button svg { width: calc(19px * var(--k)); height: calc(19px * var(--k)); fill: currentColor; display: none; }
.md-seg button.on svg { display: block; }
.md-seg button.on { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.md-seg button:hover { background: color-mix(in srgb, var(--md-on) 7%, transparent); }
.md-seg button.on:hover { background: var(--md-secondary-container); }
.md-bar-date { padding: 0 calc(6px * var(--k)); font-size: calc(13px * var(--k)); color: var(--md-on-variant); white-space: nowrap; }
.md-bar-sep { width: 1px; height: calc(32px * var(--k)); margin: 0 calc(4px * var(--k)); background: var(--md-outline-variant); }
.md-scale { display: flex; align-items: center; gap: calc(2px * var(--k)); }
.md-scale .md-bar-icon { width: calc(52px * var(--k)); height: calc(52px * var(--k)); }
.md-scale-val { min-width: calc(42px * var(--k)); text-align: center; font: 600 calc(11px * var(--k)) var(--mono); color: var(--md-on-variant); }
.md-bar-text {
  height: calc(64px * var(--k));
  padding: 0 calc(14px * var(--k));
  border: none;
  border-radius: calc(32px * var(--k));
  background: none;
  color: var(--md-on-variant);
  font-size: calc(13px * var(--k));
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}
.md-bar-text:hover { background: color-mix(in srgb, var(--md-on) 8%, transparent); }
.md-slot { position: relative; display: flex; }
.md-bar-done {
  height: calc(64px * var(--k));
  padding: 0 calc(30px * var(--k));
  border: none;
  border-radius: calc(32px * var(--k));
  background: var(--md-primary);
  color: var(--md-on-primary);
  display: inline-flex;
  align-items: center;
  gap: calc(8px * var(--k));
  font-size: calc(16px * var(--k));
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
}
.md-bar-done svg { width: calc(20px * var(--k)); height: calc(20px * var(--k)); fill: currentColor; }
.md-bar-done:hover { box-shadow: 0 6px 16px rgba(0, 0, 0, .2); }
.md-bar-done:active { transform: scale(.98); }

/* Material sheet */
.md-sheet-wrap {
  position: absolute;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(0, 0, 0, .32);
}
.md-sheet {
  width: calc(900px * var(--k));
  max-width: 94vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  border-radius: calc(32px * var(--k)) calc(32px * var(--k)) 0 0;
  background: var(--md-high);
  color: var(--md-on);
  box-shadow: 0 -12px 40px rgba(0, 0, 0, .24);
  outline: none;
  animation: mdSheetUp .28s cubic-bezier(.2, 0, 0, 1);
}
@keyframes mdSheetUp {
  from { transform: translateY(28px); opacity: .6; }
  to { transform: translateY(0); opacity: 1; }
}
.md-grab { width: calc(32px * var(--k)); height: calc(4px * var(--k)); margin: calc(10px * var(--k)) auto calc(2px * var(--k)); border-radius: 2px; background: var(--md-on-variant); opacity: .4; }
.md-sheet-head { flex: none; display: flex; align-items: flex-start; gap: calc(12px * var(--k)); padding: calc(14px * var(--k)) calc(32px * var(--k)) 0; }
.md-sheet-title h3 { margin: calc(6px * var(--k)) 0 0; font-size: calc(26px * var(--k)); font-weight: 550; }
.md-sheet-title p { margin: calc(3px * var(--k)) 0 0; font-size: calc(13px * var(--k)); color: var(--md-on-variant); }
.md-iconbtn {
  width: calc(48px * var(--k));
  height: calc(48px * var(--k));
  flex: none;
  border: none;
  border-radius: 50%;
  background: none;
  color: var(--md-on-variant);
  display: grid;
  place-items: center;
  font-size: calc(24px * var(--k));
  line-height: 1;
  cursor: pointer;
}
.md-iconbtn:hover { background: color-mix(in srgb, var(--md-on) 8%, transparent); }
.md-close { margin-left: auto; }
.md-sheet-body { flex: 1; min-height: 0; padding: calc(14px * var(--k)) calc(32px * var(--k)) 0; overflow-y: auto; }
.md-subchips { display: flex; flex-wrap: wrap; gap: calc(8px * var(--k)); }
.md-subchip {
  height: calc(44px * var(--k));
  padding: 0 calc(18px * var(--k));
  border: 1px solid var(--md-outline-variant);
  border-radius: calc(14px * var(--k));
  background: none;
  color: var(--md-on-variant);
  display: inline-flex;
  align-items: center;
  gap: calc(7px * var(--k));
  font-size: calc(14px * var(--k));
  font-weight: 600;
  cursor: pointer;
}
.md-subchip.has .dot { opacity: 1; background: #35a06a; }
.md-subchip.on { background: var(--md-secondary-container); color: var(--md-on-secondary-container); border-color: transparent; }
.md-subchip.on .dot { background: currentColor; }
.md-field { margin-top: calc(20px * var(--k)); }
.md-field > label { display: block; margin-bottom: calc(8px * var(--k)); font-size: calc(12px * var(--k)); font-weight: 600; color: var(--md-on-variant); }
.md-box {
  border: 1px solid var(--md-outline);
  border-radius: calc(16px * var(--k));
  background: var(--md-lowest);
  padding: calc(14px * var(--k)) calc(16px * var(--k));
}
.md-box textarea {
  width: 100%;
  min-height: calc(120px * var(--k));
  border: none;
  outline: none;
  background: transparent;
  color: var(--md-on);
  font: calc(16px * var(--k))/1.55 var(--sans);
  resize: none;
}
.md-counter { display: block; margin-top: calc(6px * var(--k)); text-align: right; font: calc(11px * var(--k)) var(--mono); color: var(--md-on-variant); }
.md-due-row { display: flex; align-items: center; gap: calc(12px * var(--k)); }
.md-dayseg { display: flex; flex: none; height: calc(56px * var(--k)); border: 1px solid var(--md-outline); border-radius: calc(28px * var(--k)); overflow: hidden; }
.md-dayseg button {
  height: 100%;
  padding: 0 calc(24px * var(--k));
  border: none;
  background: none;
  color: var(--md-on-variant);
  display: flex;
  align-items: center;
  gap: calc(7px * var(--k));
  font-size: calc(14px * var(--k));
  font-weight: 600;
  cursor: pointer;
}
.md-dayseg button svg { width: calc(18px * var(--k)); height: calc(18px * var(--k)); fill: currentColor; display: none; }
.md-dayseg button.on { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.md-dayseg button.on svg { display: block; }
.md-input {
  flex: 1;
  min-width: 0;
  height: calc(56px * var(--k));
  padding: 0 calc(18px * var(--k));
  border: 1px solid var(--md-outline);
  border-radius: calc(14px * var(--k));
  background: var(--md-lowest);
  color: var(--md-on);
  font: calc(15px * var(--k)) var(--sans);
  outline: none;
}
.md-input:focus { border-color: var(--md-primary); }
.md-sheet-foot { flex: none; display: flex; align-items: center; gap: calc(10px * var(--k)); padding: calc(22px * var(--k)) calc(32px * var(--k)) calc(26px * var(--k)); }
.md-textbtn, .md-filledbtn {
  height: calc(64px * var(--k));
  padding: 0 calc(28px * var(--k));
  border: none;
  border-radius: calc(32px * var(--k));
  display: inline-flex;
  align-items: center;
  gap: calc(9px * var(--k));
  font-size: calc(16px * var(--k));
  font-weight: 650;
  cursor: pointer;
}
.md-textbtn svg, .md-filledbtn svg { width: calc(21px * var(--k)); height: calc(21px * var(--k)); fill: currentColor; }
.md-textbtn { background: none; color: var(--md-primary); }
.md-textbtn.error { color: var(--md-error); }
.md-textbtn:hover { background: color-mix(in srgb, var(--md-primary) 8%, transparent); }
.md-textbtn.error:hover { background: color-mix(in srgb, var(--md-error) 8%, transparent); }
.md-filledbtn { background: var(--md-primary); color: var(--md-on-primary); font-weight: 700; }
.md-filledbtn:hover { box-shadow: 0 6px 16px rgba(0, 0, 0, .22); }
.md-filledbtn:active { transform: scale(.98); }
.md-sheet-foot .spacer { flex: 1; }

/* ============================================================
   确认对话框（两套主题各一张皮）
   ============================================================ */
.wall[data-theme="glass"] .confirm-wrap {
  position: absolute;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(6, 9, 20, .45);
  backdrop-filter: blur(calc(12px * var(--k)));
  -webkit-backdrop-filter: blur(calc(12px * var(--k)));
}
.confirm {
  width: calc(420px * var(--k));
  max-width: 90vw;
  padding: calc(26px * var(--k));
  border-radius: calc(30px * var(--k));
  outline: none;
  animation: glSheetIn .22s ease-out;
}
.wall[data-theme="glass"] .confirm {
  border: 1px solid var(--border);
  background: linear-gradient(150deg, rgba(255, 255, 255, .9), rgba(255, 255, 255, .72));
  color: var(--ink);
  box-shadow: 0 40px 100px rgba(0, 0, 0, .35);
}
.wall[data-theme="glass"].is-dark .confirm {
  background: linear-gradient(150deg, rgba(24, 28, 46, .95), rgba(14, 18, 32, .9));
}
.wall[data-theme="material"] .confirm-wrap {
  position: absolute;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, .32);
}
.wall[data-theme="material"] .confirm {
  background: var(--md-high);
  color: var(--md-on);
  box-shadow: 0 10px 40px rgba(0, 0, 0, .3);
  animation: none;
}
.confirm h3 { margin: 0; font-size: calc(22px * var(--k)); font-weight: 600; }
.confirm p { margin: calc(10px * var(--k)) 0 0; font-size: calc(14px * var(--k)); line-height: 1.6; color: var(--dim, var(--md-on-variant)); opacity: .86; }
.confirm-actions { display: flex; justify-content: flex-end; gap: calc(8px * var(--k)); margin-top: calc(22px * var(--k)); }
.confirm-actions button {
  height: calc(52px * var(--k));
  padding: 0 calc(24px * var(--k));
  border: none;
  border-radius: calc(26px * var(--k));
  background: none;
  font-size: calc(14px * var(--k));
  font-weight: 650;
  cursor: pointer;
}
.wall[data-theme="glass"] .confirm-actions button { color: var(--ink); background: rgba(127, 127, 127, .12); }
.wall[data-theme="glass"] .confirm-actions button.danger { color: #b3261e; background: rgba(179, 38, 30, .1); }
.wall[data-theme="glass"].is-dark .confirm-actions button.danger { color: #ffb4ab; background: rgba(255, 138, 138, .12); }
.wall[data-theme="material"] .confirm-actions button { color: var(--md-primary); }
.wall[data-theme="material"] .confirm-actions button.danger { color: var(--md-error); }
.confirm-actions button:hover { filter: brightness(.96); }

/* ============================================================
   备份入口（被挂进编辑工具条）
   ============================================================ */
body > .backup-entry { display: none; }
.backup-entry { position: relative; display: inline-flex; align-items: center; }
.backup-btn {
  height: calc(42px * var(--k));
  padding: 0 calc(12px * var(--k));
  border: 1px solid transparent;
  border-radius: 999px;
  background: none;
  color: inherit;
  font-size: calc(12px * var(--k));
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}
.wall[data-theme="glass"] .backup-btn { color: var(--ink); }
.wall[data-theme="glass"] .backup-btn:hover { background: rgba(255, 255, 255, .24); }
.wall[data-theme="material"] .backup-btn {
  height: calc(64px * var(--k));
  padding: 0 calc(14px * var(--k));
  border-radius: calc(32px * var(--k));
  font-size: calc(13px * var(--k));
  color: var(--md-on-variant);
}
.wall[data-theme="material"] .backup-btn:hover { background: color-mix(in srgb, var(--md-on) 8%, transparent); }
.backup-pop {
  position: absolute;
  right: 0;
  bottom: calc(100% + 10px * var(--k));
  z-index: 90;
  min-width: calc(160px * var(--k));
  padding: calc(6px * var(--k));
  border-radius: calc(16px * var(--k));
  display: flex;
  flex-direction: column;
  gap: calc(2px * var(--k));
  background: #fff;
  color: #1d1b20;
  box-shadow: 0 12px 34px rgba(0, 0, 0, .24);
}
.wall[data-theme="glass"] .backup-pop {
  border: 1px solid var(--border);
  background: linear-gradient(150deg, rgba(255, 255, 255, .96), rgba(255, 255, 255, .88));
  color: var(--ink);
}
.wall[data-theme="glass"].is-dark .backup-pop {
  background: linear-gradient(150deg, rgba(30, 34, 54, .98), rgba(18, 22, 38, .96));
}
.wall[data-theme="material"].is-dark .backup-pop { background: #2B2930; color: #E6E0E9; }
.backup-pop button {
  height: calc(44px * var(--k));
  padding: 0 calc(14px * var(--k));
  border: none;
  border-radius: calc(10px * var(--k));
  background: none;
  color: inherit;
  text-align: left;
  font-size: calc(14px * var(--k));
  font-weight: 600;
  cursor: pointer;
}
.backup-pop button:hover { background: rgba(127, 127, 127, .14); }

/* ============================================================
   通用：焦点环 / Toast / 降级
   ============================================================ */
.wall button:focus-visible,
.wall input:focus-visible,
.wall textarea:focus-visible,
.wall [role="button"]:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: calc(2px * var(--k));
}
.wall[data-theme="glass"] button:focus-visible,
.wall[data-theme="glass"] input:focus-visible,
.wall[data-theme="glass"] textarea:focus-visible { outline-color: var(--solid); }
.wall[data-theme="material"] button:focus-visible,
.wall[data-theme="material"] input:focus-visible,
.wall[data-theme="material"] textarea:focus-visible { outline-color: var(--md-primary); }

.toast-container {
  position: fixed;
  left: 50%;
  bottom: calc(120px * var(--k, 1));
  z-index: 200;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.toast {
  max-width: min(560px, 90vw);
  padding: 12px 20px;
  border-radius: 999px;
  background: rgba(20, 22, 30, .92);
  color: #fff;
  font-size: 14px;
  text-align: center;
  box-shadow: 0 12px 34px rgba(0, 0, 0, .3);
  transition: opacity .3s, transform .3s;
}
.toast.error { background: #8c1d18; }
.toast.success { background: #1f5c3d; }

@media (prefers-reduced-motion: reduce) {
  .gl-bg, .gl-tile, .gl-sheet, .md-card, .md-bar, .md-sheet, .confirm { animation: none !important; }
  .gl-tile, .gl-bg { transition: none !important; }
}

/* 窄屏 / 非 16:9：挤不下时让工具条允许横向滚动，而不是把按钮压扁 */
@media (max-width: 1100px) {
  .gl-dock, .md-bar { max-width: calc(100vw - 20px); overflow-x: auto; scrollbar-width: none; }
  .gl-dock::-webkit-scrollbar, .md-bar::-webkit-scrollbar { display: none; }
}