:root {
  color-scheme: dark;
  --ink: #cfc4e4;
  --muted: #7e7098;
  --line: rgba(95, 150, 225, 0.28);
  --panel: linear-gradient(180deg, #53416c 0%, #261d32 100%);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: #000;
  color: var(--ink);
  font-family: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  overflow: hidden;
  overscroll-behavior: none;
  user-select: none;
  -webkit-user-select: none;
}

canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

#silk {
  touch-action: none;
  cursor: crosshair;
  z-index: 1;
  opacity: 1;
  transition: opacity 0.35s ease;
}

#sparks {
  pointer-events: none;
  z-index: 3;
  opacity: 1;
  transition: opacity 0.35s ease;
}

body.silk-filter-dim #silk,
body.silk-filter-dim #sparks {
  opacity: 0.5;
}
#stars { pointer-events: none; z-index: 2; }

.hud {
  position: fixed;
  z-index: 3;
  top: max(12px, env(safe-area-inset-top));
  left: max(12px, env(safe-area-inset-left));
  width: min(272px, calc(100vw - 24px));
  pointer-events: none;
}

.hud-chrome { pointer-events: auto; }

.hud-bar {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 6px;
  margin-bottom: 0;
  padding: 4px;
  border-radius: 10px;
  background: rgba(22, 16, 32, 0.55);
  border: 1px solid rgba(95, 150, 225, 0.18);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.hud-menu-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-right: 12px;
}

.hud-menu-glyph {
  width: 14px;
  height: 12px;
  background:
    linear-gradient(currentColor, currentColor) 0 0 / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) 0 5px / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) 0 10px / 100% 2px no-repeat;
  opacity: 0.88;
}

.hud-panel {
  margin-top: 8px;
  border-radius: 12px;
  background: rgba(24, 18, 36, 0.88);
  border: 1px solid rgba(95, 150, 225, 0.22);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  max-height: min(72vh, 560px);
  overflow-y: auto;
  touch-action: pan-y;
}

.hud-panel[hidden] {
  display: none !important;
}

.hud-panel:not([hidden]) {
  animation: hud-panel-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes hud-panel-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.hud-panel-inner {
  padding: 10px 12px 12px;
}

.hud-sec + .hud-sec {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(174, 166, 196, 0.12);
}

.hud-sec-title {
  margin: 0 0 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: none;
  color: #d8cff0;
}

.hud-sec-hint {
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.hud-actions {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}

.pill-compact {
  padding: 0 11px;
  font-size: 12px;
}

.pill-sm {
  flex: 1;
  height: 28px;
  padding: 0 10px;
  font-size: 12px;
}

.hud-mini {
  flex: 1;
  min-width: 48px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-align: center;
  white-space: nowrap;
}

.pill-ghost {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(174, 166, 196, 0.22);
  border-top-color: rgba(174, 166, 196, 0.22);
}

.pill-ghost.on {
  color: #fff;
  border-color: rgba(53, 201, 255, 0.45);
}

.pill, .icon-btn, .num, .tog, .grade {
  appearance: none;
  margin: 0;
  border: 0;
  font: inherit;
  cursor: pointer;
  color: #aea6c4;
}

.pill {
  height: 30px;
  padding: 0 14px;
  border-radius: 6px;
  border-top: 1px solid #5f96e1;
  background: var(--panel);
  letter-spacing: 0.08em;
  font-size: 13px;
  text-shadow: 0 1px 0 #000;
}

.pill:hover { color: #fff; border-top-color: #35c9ff; }
.pill.ghost {
  background: transparent;
  border: 1px solid rgba(174, 166, 196, 0.28);
  border-top-color: rgba(174, 166, 196, 0.28);
}

.icon-btn {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  border-top: 1px solid #5f96e1;
  background: var(--panel);
  font-size: 15px;
  line-height: 1;
}

.swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.swatch {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 0;
  padding: 0;
  background: radial-gradient(circle at 35% 30%, #fff8, transparent 42%), var(--c);
  box-shadow: 0 0 10px color-mix(in srgb, var(--c) 55%, transparent);
  cursor: pointer;
}

.swatch.on {
  outline: 1px solid #fff;
  outline-offset: 2px;
}

.sym-row, .tog-row, .grade-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}

.num, .tog, .grade {
  min-width: 26px;
  height: 24px;
  padding: 0 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(174, 166, 196, 0.18);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.num.on, .tog.on, .grade.on {
  color: #fff;
  border-color: rgba(53, 201, 255, 0.45);
  background: rgba(83, 65, 108, 0.55);
}

.search { display: block; }

.search input {
  width: 100%;
  height: 28px;
  padding: 0 10px;
  border-radius: 6px;
  border: 1px solid rgba(17, 17, 17, 0.9);
  background: rgba(56, 44, 73, 0.85);
  color: #ccc;
  font: inherit;
  font-size: 12px;
  outline: none;
  user-select: text;
  -webkit-user-select: text;
}

.search input:focus {
  border-color: #5f96e1;
  color: #fff;
}

.status {
  margin: 6px 0 0;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
  line-height: 1.4;
}

.hint {
  position: fixed;
  z-index: 2;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(92vw, 560px);
  margin: 0;
  text-align: center;
  font-size: 13px;
  color: #a48dc4;
  letter-spacing: 0.08em;
  pointer-events: none;
  transition: opacity 1.2s ease;
}

body.drew .hint,
body.card-open .hint { opacity: 0; }

#tip {
  position: fixed;
  z-index: 4;
  margin: 0;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  color: #eadeff;
  font-size: 12px;
  letter-spacing: 0.06em;
  pointer-events: none;
  white-space: nowrap;
  max-width: 46vw;
  overflow: hidden;
  text-overflow: ellipsis;
  transform: translate(-50%, calc(-100% - 12px));
}

#tip.below { transform: translate(-50%, 14px); }

.focus-shell {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.focus-shell:not([hidden]) {
  pointer-events: auto;
}

.focus-scrim {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  border: 0;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.52);
  opacity: 0;
  transition: opacity 0.45s ease;
}

body.focus-open .focus-scrim {
  opacity: 1;
}

.focus-sheet {
  position: absolute;
  left: 50%;
  top: 50%;
  display: flex;
  flex-direction: column;
  width: min(440px, 92vw);
  max-height: min(78vh, 640px);
  border-radius: 16px;
  background: rgba(16, 12, 26, 0.94);
  border: 1px solid rgba(95, 150, 225, 0.28);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transform: translate(-50%, -50%) scale(0.28);
  opacity: 0;
  transform-origin: var(--focus-x, 50%) var(--focus-y, 50%);
  transition:
    transform 0.58s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.42s ease,
    transform-origin 0.35s ease 0.12s;
  pointer-events: auto;
  touch-action: pan-y;
  overflow: hidden;
}

.focus-sheet.is-ready {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  transform-origin: center center;
}

.focus-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid rgba(174, 166, 196, 0.12);
}

.focus-head-text {
  min-width: 0;
}

.focus-body {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 12px 14px;
}

.focus-foot {
  padding: 10px 14px 14px;
  border-top: 1px solid rgba(174, 166, 196, 0.1);
}

.card-meta, .card-sub {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.card h2 {
  margin: 8px 0 4px;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.35;
  color: #efe8ff;
}

.card-sub { margin-bottom: 10px; }

.block { margin: 0 0 12px; }

.block-label {
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.glyph {
  min-width: 42px;
  padding: 4px 6px 5px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(174, 166, 196, 0.14);
  text-align: center;
}

.glyph b {
  display: block;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.2;
  color: #fff;
}

.glyph span {
  display: block;
  margin-top: 1px;
  font-size: 10px;
  color: var(--muted);
}

.words, .note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  letter-spacing: 0.03em;
  color: #cfc4e4;
}

.note { color: var(--muted); }

.kp-block {
  --kp-accent: #276f9b;
  position: relative;
}

.kp-block-label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.kp-block-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, color-mix(in srgb, var(--kp-accent) 55%, transparent), transparent);
  animation: kp-line 2.4s ease-in-out infinite;
}

@keyframes kp-line {
  0%, 100% { opacity: 0.35; transform: scaleX(0.65); transform-origin: left; }
  50% { opacity: 1; transform: scaleX(1); }
}

.kp-flow {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.kp-chip {
  position: relative;
  overflow: hidden;
  display: block;
  width: 100%;
  margin: 0;
  padding: 8px 10px 8px 22px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--kp-accent) 32%, transparent);
  background: rgba(255, 255, 255, 0.03);
  color: #e8e0ff;
  text-align: left;
  cursor: pointer;
  animation: kp-chip-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) backwards;
  animation-delay: var(--kp-delay, 0s);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.kp-chip:hover {
  border-color: color-mix(in srgb, var(--kp-accent) 58%, transparent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--kp-accent) 22%, transparent);
  transform: translateX(2px);
}

.kp-chip.is-open,
.kp-chip.is-active {
  border-color: color-mix(in srgb, var(--kp-accent) 65%, transparent);
  box-shadow: 0 0 22px color-mix(in srgb, var(--kp-accent) 28%, transparent);
}

.kp-chip.is-flash .kp-chip-ripple {
  animation: kp-click-ripple 0.52s ease-out;
}

.kp-chip-ripple {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  box-shadow: inset 0 0 0 0 color-mix(in srgb, var(--kp-accent) 50%, transparent);
}

@keyframes kp-click-ripple {
  0% {
    opacity: 1;
    box-shadow: inset 0 0 0 0 color-mix(in srgb, var(--kp-accent) 55%, transparent);
  }
  100% {
    opacity: 0;
    box-shadow: inset 0 0 0 14px transparent;
  }
}

.kp-chip.is-active .kp-chip-dot {
  animation: kp-dot-active 0.55s ease;
}

@keyframes kp-dot-active {
  0% { transform: scale(1); box-shadow: 0 0 8px var(--kp-accent); }
  40% { transform: scale(1.8); box-shadow: 0 0 16px var(--kp-accent); }
  100% { transform: scale(1.15); box-shadow: 0 0 12px var(--kp-accent); }
}

.kp-chip-shimmer {
  position: absolute;
  inset: -40% -20%;
  background: radial-gradient(circle at 30% 50%, color-mix(in srgb, var(--kp-accent) 35%, transparent), transparent 58%);
  opacity: 0.45;
  animation: kp-shimmer 3.2s ease-in-out infinite;
  pointer-events: none;
}

.kp-chip-dot {
  position: absolute;
  left: 9px;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2px;
  border-radius: 50%;
  background: var(--kp-accent);
  box-shadow: 0 0 8px var(--kp-accent);
  animation: kp-dot 1.8s ease-in-out infinite;
}

.kp-chip-text {
  position: relative;
  display: block;
  font-size: 13px;
  line-height: 1.45;
  letter-spacing: 0.04em;
}

.kp-chip-detail {
  position: relative;
  display: block;
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid rgba(174, 166, 196, 0.14);
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
  animation: kp-detail-in 0.35s ease;
}

@keyframes kp-chip-in {
  from { opacity: 0; transform: translateX(14px); filter: blur(2px); }
  to { opacity: 1; transform: none; filter: none; }
}

@keyframes kp-shimmer {
  0%, 100% { transform: translateX(-8%) scale(1); opacity: 0.35; }
  50% { transform: translateX(8%) scale(1.05); opacity: 0.65; }
}

@keyframes kp-dot {
  0%, 100% { transform: scale(1); opacity: 0.85; }
  50% { transform: scale(1.35); opacity: 1; }
}

@keyframes kp-detail-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}

.focus-shell[data-accent] .focus-sheet {
  --kp-accent: #276f9b;
  border-color: color-mix(in srgb, var(--kp-accent) 32%, rgba(95, 150, 225, 0.28));
}

body.focus-open .hud-panel {
  display: none !important;
}

body.focus-open .hud-bar {
  opacity: 0.88;
}

body.focus-open .hud-menu-btn {
  pointer-events: none;
}

body.focus-open .hint {
  opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
  .kp-chip,
  .kp-chip-shimmer,
  .kp-chip-dot,
  .kp-block-label::after,
  .card.card-kp-enter {
    animation: none !important;
  }
  .kp-chip-detail,
  .kp-chip.is-flash .kp-chip-ripple,
  .kp-chip.is-active .kp-chip-dot {
    animation: none !important;
  }
}

.open-link {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 12px;
  border-radius: 6px;
  border-top: 1px solid #5f96e1;
  background: var(--panel);
  color: #aea6c4;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.06em;
}

.open-link:hover { color: #fff; }

button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 1px solid #35c9ff;
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#fail[hidden] { display: none !important; }

#fail:not([hidden]) {
  position: fixed;
  z-index: 5;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  background: #000;
}

@media (max-width: 720px) {
  .hud {
    right: max(10px, env(safe-area-inset-right));
    left: max(10px, env(safe-area-inset-left));
    width: auto;
  }

  .hud-panel { max-height: min(58vh, 480px); }

  .focus-sheet {
    width: min(100%, calc(100vw - 20px));
    max-height: min(82vh, 720px);
  }

  .focus-head h2,
  .card h2 { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .hud-panel:not([hidden]) {
    animation: none !important;
  }

  .focus-scrim,
  .focus-sheet {
    transition: none !important;
  }
  .focus-sheet {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}