/* ==========================================================
   style.css —— 解药 · 深沉像素风
   ========================================================== */

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

:root{
  --bg: #16130f;
  --bench: #29211a;
  --bench-2: #332a20;
  --paper: #352c22;
  --paper-2: #3f342a;
  --ink: #d4c3a0;
  --ink-2: #a89a7c;
  --ink-3: #6b5f48;
  --line: #443a2e;
  --line-2: #554839;
  --accent: #c9a961;
  --accent-d: #a88939;
  --accent-soft: rgba(201,169,97,.1);
  --danger: #b5726a;
  --glow: rgba(201,169,97,.18);
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;
}

html, body { height: 100%; }

body{
  background: var(--bg);
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(201,169,97,.04) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 100%, rgba(90,60,30,.08) 0%, transparent 70%);
  color: var(--ink);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, "Courier New",
               "PingFang SC", "Microsoft YaHei", monospace;
  letter-spacing: .03em;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.5;
}

body::before{
  content: ''; position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(201,169,97,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,97,.02) 1px, transparent 1px);
  background-size: 24px 24px;
}

.screen{
  display: none; position: relative; z-index: 1;
  height: 100vh; height: 100dvh;
  overflow-y: auto; overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}
.screen.active { display: block; }

/* ------- 标题页 ------- */
#titleScreen .title-inner{
  max-width: 600px; margin: 0 auto;
  min-height: 100vh; min-height: 100dvh;
  padding: 40px 22px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
}
.game-title{
  font-size: clamp(2.4rem, 13vw, 4rem);
  font-weight: 700;
  letter-spacing: .34em; text-indent: .34em;
  color: var(--accent);
  text-shadow: 3px 3px 0 rgba(0,0,0,.6), 0 0 40px rgba(201,169,97,.2);
  line-height: 1.1;
}
.game-sub{
  margin-top: 14px; font-size: .66rem;
  letter-spacing: .55em; text-indent: .55em;
  color: var(--ink-3);
}
.dev-note{
  margin-top: 46px; width: 100%; text-align: left;
  background: var(--paper);
  border: 2px solid var(--line);
  box-shadow:
    inset -3px -3px 0 rgba(0,0,0,.28),
    inset 3px 3px 0 rgba(255,255,255,.03),
    0 0 0 1px rgba(0,0,0,.35),
    0 14px 44px -12px rgba(0,0,0,.6);
  padding: 22px 24px;
  font-size: .82rem; line-height: 2;
  color: var(--ink-2);
  min-height: 170px;
}
.typing::after{
  content: '▍'; color: var(--accent);
  margin-left: 1px;
  animation: blink .9s steps(2,end) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.tap-hint{
  margin-top: 44px;
  display: flex; align-items: center; gap: 10px;
  font-size: .68rem;
  letter-spacing: .36em; text-indent: .36em;
  color: var(--ink-3);
  animation: hintPulse 2.6s ease-in-out infinite;
  transition: opacity .4s ease, transform .4s ease;
  user-select: none; pointer-events: none;
}
.tap-hint.hide{ opacity: 0; transform: translateY(-6px); }
.tap-dot{
  color: var(--accent); font-size: .55rem;
  animation: dotPulse 2.6s ease-in-out infinite;
  text-shadow: 0 0 10px var(--glow);
}
@keyframes hintPulse{ 0%,100%{opacity:.28;} 50%{opacity:.75;} }
@keyframes dotPulse{
  0%,100%{ transform:scale(1); opacity:.55; }
  50%{ transform:scale(1.35); opacity:1; }
}

.btn-start{
  margin-top: 38px;
  font-family: inherit; font-size: .85rem;
  letter-spacing: .26em; text-indent: .26em;
  padding: 15px 40px;
  color: var(--bg); background: var(--accent);
  border: none; cursor: pointer;
  box-shadow:
    inset -3px -3px 0 rgba(0,0,0,.3),
    inset 3px 3px 0 rgba(255,255,255,.25),
    0 0 0 2px var(--accent-d),
    0 0 24px rgba(201,169,97,.3);
  transition: transform .07s, opacity .5s, box-shadow .2s;
  opacity: 0; pointer-events: none;
  touch-action: manipulation;
  font-weight: 600;
}
.btn-start.show{ opacity: 1; pointer-events: auto; }
.btn-start:active{
  transform: translateY(2px);
  box-shadow:
    inset 3px 3px 0 rgba(0,0,0,.3),
    inset -3px -3px 0 rgba(255,255,255,.25),
    0 0 0 2px var(--accent-d);
}

/* ------- 游戏页 ------- */
.game-wrap{
  max-width: 980px; margin: 0 auto; padding: 12px;
  display: flex; flex-direction: column; gap: 12px;
  min-height: 100%;
}
.mentor-note{
  background: var(--paper);
  border: 2px solid var(--line);
  box-shadow:
    inset -3px -3px 0 rgba(0,0,0,.28),
    inset 3px 3px 0 rgba(255,255,255,.03),
    0 8px 32px -12px rgba(0,0,0,.6);
  padding: 12px 14px; position: relative;
}
.mentor-note::before{
  content: ''; position: absolute;
  top: 4px; left: 4px; right: 4px; bottom: 4px;
  border: 1px dashed rgba(201,169,97,.08);
  pointer-events: none;
}
.note-head{
  display: flex; align-items: center; gap: 8px;
  padding-bottom: 8px; margin-bottom: 9px;
  border-bottom: 1px dashed var(--line);
  position: relative; z-index: 1;
}
.note-mark{ color: var(--accent); font-size: .85rem; }
.note-title{ flex: 1; font-size: .68rem; letter-spacing: .22em; color: var(--accent); }
.note-level{ font-size: .62rem; letter-spacing: .1em; color: var(--ink-3); }
.note-text{
  font-size: .78rem; line-height: 2;
  color: var(--ink-2); min-height: 3.9em;
  position: relative; z-index: 1;
  white-space: pre-line;
}

.bench{ display: flex; flex-direction: column; gap: 12px; flex: 1; min-width: 0; }

/* ------- 视图 Tab ------- */
.view-tabs{
  display: flex;
  border: 2px solid var(--line);
  background: var(--bench);
  padding: 3px;
  box-shadow:
    inset -2px -2px 0 rgba(0,0,0,.28),
    inset 2px 2px 0 rgba(255,255,255,.02);
}
.view-tab{
  flex: 1;
  font-family: inherit;
  font-size: .74rem;
  letter-spacing: .18em;
  padding: 10px 12px;
  background: transparent;
  color: var(--ink-3);
  border: none;
  cursor: pointer;
  touch-action: manipulation;
  transition: color .15s, background .15s;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.view-tab.active{
  color: var(--accent);
  background: var(--accent-soft);
  box-shadow: inset 0 0 0 1px rgba(201,169,97,.28);
}
.view-tab:active:not(.locked){ transform: translateY(1px); }
.view-tab.locked{
  color: var(--ink-3);
  opacity: .55;
  cursor: default;
}
.view-tab-lock{
  font-size: .66rem;
  opacity: .8;
}
.view-tab:not(.locked) .view-tab-lock{ display: none; }

.bench-view{ display: flex; flex-direction: column; gap: 12px; }
.bench-view.hidden{ display: none; }

.stage{ display: grid; grid-template-columns: 1.15fr 1fr; gap: 12px; }

.panel{
  background: var(--bench);
  border: 2px solid var(--line);
  box-shadow:
    inset -3px -3px 0 rgba(0,0,0,.32),
    inset 3px 3px 0 rgba(255,255,255,.025),
    0 6px 26px -10px rgba(0,0,0,.6);
  padding: 12px 14px 14px;
  display: flex; flex-direction: column; position: relative;
}
.panel.hidden{ display: none; }
.panel-label{
  font-size: .62rem; letter-spacing: .24em;
  color: var(--ink-3); margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.panel-code{
  text-align: center; font-size: .72rem;
  color: var(--ink-2); margin-top: 8px;
  letter-spacing: .08em;
  font-variant-numeric: tabular-nums;
}
.target-name{
  text-align: center;
  font-size: .8rem;
  letter-spacing: .22em;
  color: var(--accent);
  margin-top: 8px;
  text-shadow: 0 0 12px var(--glow);
  opacity: .85;
}

.player-panel{
  box-shadow:
    inset -3px -3px 0 rgba(0,0,0,.32),
    inset 3px 3px 0 rgba(255,255,255,.03),
    0 0 0 1px rgba(201,169,97,.1),
    0 6px 32px -10px rgba(0,0,0,.7),
    0 0 32px -10px rgba(201,169,97,.28);
}
.player-panel .panel-label{ color: var(--accent); opacity: .9; }
.player-panel .flask-wrap{ min-height: 150px; }
.player-panel .flask-wrap canvas{
  filter: drop-shadow(0 8px 22px rgba(201,169,97,.28))
          drop-shadow(0 6px 16px rgba(0,0,0,.6));
}
.target-panel{ opacity: .85; }
.target-panel .flask-wrap{ min-height: 110px; }

.flask-panel{ align-items: center; }
.flask-wrap{
  display: flex; align-items: center; justify-content: center;
  min-height: 110px; position: relative;
}
.flask-wrap canvas{
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  display: block;
  transition: transform .15s ease-out;
  filter: drop-shadow(0 6px 16px rgba(0,0,0,.5));
}
.flask-wrap.pulse canvas{ animation: flaskPulse .24s ease-out; }
@keyframes flaskPulse{
  0%{transform:scale(1);}
  38%{transform:scale(1.06);}
  100%{transform:scale(1);}
}
.flask-wrap.win canvas{ animation: flaskWin .7s ease-out; }
@keyframes flaskWin{
  0%,100%{transform:scale(1);}
  30%{transform:scale(1.12);filter:brightness(1.2) drop-shadow(0 6px 20px rgba(201,169,97,.5));}
  60%{transform:scale(.98);}
}

.slots{ display: flex; gap: 10px; flex-wrap: wrap; }
.slot{
  flex: 1 1 0; min-width: 84px;
  border: 2px dashed var(--line);
  background: rgba(0,0,0,.18);
  padding: 9px;
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color .2s, background .2s;
  min-height: 82px;
}
.slot.filled{
  border-style: solid; border-color: var(--line-2);
  background: rgba(0,0,0,.3);
  box-shadow: inset 0 0 14px rgba(201,169,97,.05);
}
.slot-empty-mark{
  flex: 1; display: flex; align-items: center; justify-content: center;
  color: var(--ink-3); font-size: 1.2rem;
  user-select: none; opacity: .5;
}
.slot-top{ display: flex; align-items: center; gap: 7px; }
.slot-dot{
  width: 14px; height: 14px; flex: 0 0 auto;
  border: 2px solid rgba(0,0,0,.55);
  box-shadow:
    inset -2px -2px 0 rgba(0,0,0,.35),
    inset 2px 2px 0 rgba(255,255,255,.15);
}
.slot-name{ flex: 1; font-size: .68rem; color: var(--ink-2); letter-spacing: .05em; }
.slot-x{
  border: none; background: none;
  color: var(--ink-3); font-family: inherit;
  font-size: .9rem; line-height: 1;
  padding: 2px 4px; cursor: pointer;
  touch-action: manipulation;
}
.slot-x:active{ color: var(--danger); }
.slot-ctrl{ display: flex; align-items: center; gap: 5px; }
.slot-btn{
  width: 28px; height: 28px;
  border: 2px solid var(--line-2);
  background: var(--bench-2);
  color: var(--ink); font-family: inherit;
  font-size: .9rem; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 0; cursor: pointer;
  touch-action: manipulation;
  transition: background .12s, transform .07s;
  box-shadow:
    inset -2px -2px 0 rgba(0,0,0,.35),
    inset 2px 2px 0 rgba(255,255,255,.05);
}
.slot-btn:active{
  background: var(--accent-soft);
  transform: translateY(2px);
  box-shadow:
    inset 2px 2px 0 rgba(0,0,0,.35),
    inset -2px -2px 0 rgba(255,255,255,.05);
}
.slot-btn.disabled,
.slot-btn[disabled]{
  opacity: .32;
  cursor: not-allowed;
  pointer-events: none;
}
.slot-num{
  flex: 1; text-align: center; font-size: .9rem;
  color: var(--ink); user-select: none;
  font-variant-numeric: tabular-nums;
}
.shelf{ display: flex; gap: 10px; flex-wrap: wrap; }
.shelf-bottle{
  flex: 0 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 9px 11px 8px;
  border: 2px solid var(--line);
  background: var(--bench-2);
  cursor: pointer; font-family: inherit;
  font-size: .62rem; color: var(--ink-2);
  touch-action: manipulation;
  box-shadow:
    inset -2px -2px 0 rgba(0,0,0,.32),
    inset 2px 2px 0 rgba(255,255,255,.03),
    0 4px 14px -6px rgba(0,0,0,.7);
  transition: transform .07s, border-color .2s, opacity .25s;
}
.shelf-bottle:active:not(:disabled){
  transform: translateY(2px);
  box-shadow:
    inset 2px 2px 0 rgba(0,0,0,.32),
    inset -2px -2px 0 rgba(255,255,255,.03);
}
.shelf-bottle:hover:not(:disabled){ border-color: var(--line-2); }
.shelf-bottle.used,
.shelf-bottle:disabled{
  opacity: .2; pointer-events: none;
  filter: grayscale(.6);
}
.shelf-bottle.blocked{
  opacity: .38;
  filter: grayscale(.4);
  pointer-events: none;
  border-color: var(--danger);
}
.shelf-bottle canvas{
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  display: block;
  filter: drop-shadow(0 3px 6px rgba(0,0,0,.6));
}
.shelf-name{
  font-size: .64rem; letter-spacing: .12em; color: var(--ink-2);
}
.shelf-vec{
  font-size: .56rem;
  letter-spacing: .02em;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  opacity: .9;
  font-family: var(--mono);
}

.actions{ display: flex; gap: 10px; flex-wrap: wrap; }
.pixel-btn{
  flex: 1 1 0; min-width: 100px;
  font-family: inherit; font-size: .72rem;
  letter-spacing: .16em;
  padding: 13px 14px;
  color: var(--ink-2); background: var(--bench-2);
  border: 2px solid var(--line-2);
  cursor: pointer; touch-action: manipulation;
  box-shadow:
    inset -3px -3px 0 rgba(0,0,0,.32),
    inset 3px 3px 0 rgba(255,255,255,.03),
    0 4px 14px -6px rgba(0,0,0,.7);
  transition: transform .07s, background .15s, color .15s;
}
.pixel-btn:active{
  transform: translateY(2px);
  box-shadow:
    inset 3px 3px 0 rgba(0,0,0,.32),
    inset -3px -3px 0 rgba(255,255,255,.03);
}
.pixel-btn.primary{
  color: var(--bg); background: var(--accent);
  border-color: var(--accent-d); font-weight: 600;
}
.pixel-btn.hidden{ display: none; }

.prefs{ display: flex; justify-content: center; padding: 4px 0 8px; }
.pref-item{
  display: inline-flex; align-items: center; gap: 10px;
  font-size: .68rem; letter-spacing: .08em;
  color: var(--ink-3); cursor: pointer;
  user-select: none; padding: 6px 10px;
  border: 1px dashed transparent;
  transition: color .2s, border-color .2s;
  touch-action: manipulation;
}
.pref-item:hover{ color: var(--ink-2); border-color: var(--line); }
.pref-item input[type="checkbox"]{
  position: absolute; opacity: 0; pointer-events: none;
  width: 0; height: 0;
}
.pref-box{
  width: 14px; height: 14px; flex: 0 0 auto;
  border: 2px solid var(--line-2);
  background: var(--bench-2);
  position: relative;
  box-shadow: inset -1px -1px 0 rgba(0,0,0,.4);
}
.pref-box::after{
  content: ''; position: absolute; inset: 2px;
  background: var(--accent);
  opacity: 0; transform: scale(.5);
  transition: opacity .15s, transform .15s;
}
.pref-item input:checked + .pref-box{ border-color: var(--accent-d); }
.pref-item input:checked + .pref-box::after{ opacity: 1; transform: scale(1); }
.pref-label{ line-height: 1.4; }

/* ==========================================================
   求解草稿
   ========================================================== */

/* 进度点 */
.draft-progress{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 4px 0;
}
.draft-dot{
  width: 10px; height: 10px;
  border: 2px solid var(--line-2);
  background: transparent;
  border-radius: 50%;
  transition: background .2s, border-color .2s, transform .2s;
}
.draft-dot.done{
  background: var(--accent-d);
  border-color: var(--accent-d);
}
.draft-dot.current{
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.35);
  box-shadow: 0 0 10px var(--glow);
}
.draft-dot-line{
  width: 14px; height: 2px;
  background: var(--line);
  transition: background .2s;
}
.draft-dot-line.done{ background: var(--accent-d); }

/* 当前步骤条 */
.draft-step-strip{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--paper);
  border: 2px solid var(--line);
  box-shadow:
    inset -3px -3px 0 rgba(0,0,0,.28),
    inset 3px 3px 0 rgba(255,255,255,.03),
    0 6px 24px -10px rgba(0,0,0,.6);
  position: relative;
}
.draft-step-strip::before{
  content: '';
  position: absolute;
  top: 3px; left: 3px; right: 3px; bottom: 3px;
  border: 1px dashed rgba(201,169,97,.08);
  pointer-events: none;
}
.draft-step-num{
  font-size: .62rem;
  letter-spacing: .2em;
  color: var(--ink-3);
  padding: 3px 9px;
  border: 1px solid var(--line-2);
  background: rgba(0,0,0,.22);
}
.draft-step-name{
  font-size: .8rem;
  letter-spacing: .22em;
  color: var(--accent);
  text-shadow: 0 0 12px var(--glow);
  font-weight: 600;
}

/* 矩阵 */
.draft-matrix-scroll{ overflow-x: auto; padding: 4px 0; }
.draft-matrix{
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 4px;
  position: relative;
}
.draft-matrix::before,
.draft-matrix::after{
  content: '';
  position: absolute;
  top: 6px; bottom: 6px;
  width: 8px;
  border: 2px solid var(--accent);
  opacity: .5;
}
.draft-matrix::before{
  left: 0;
  border-right: none;
  border-radius: 3px 0 0 3px;
}
.draft-matrix::after{
  right: 0;
  border-left: none;
  border-radius: 0 3px 3px 0;
}
.draft-mrow{
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 14px;
}
.draft-rowlabel{
  width: 26px;
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--accent);
  opacity: .8;
  text-align: right;
}
.draft-cell{
  width: 46px; height: 34px;
  flex: 0 0 auto;
  background: rgba(0,0,0,.22);
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .84rem;
  display: flex; align-items: center; justify-content: center;
  font-variant-numeric: tabular-nums;
  transition: border-color .15s, background .15s, color .15s;
}
.draft-cell.aug{
  margin-left: 12px;
  border-left: 3px solid rgba(201,169,97,.5);
  color: var(--accent);
  background: rgba(201,169,97,.06);
}
.draft-cell.pivot{
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  box-shadow: 0 0 0 1px var(--accent-d);
}
.draft-cell.pivot-pulse{
  animation: pivotPulse 1.2s ease-in-out infinite;
}
@keyframes pivotPulse{
  0%, 100% { box-shadow: 0 0 0 1px var(--accent-d); }
  50%      { box-shadow: 0 0 0 3px rgba(201,169,97,.35); }
}
.draft-cell.just-changed{
  animation: cellFlash .9s ease-out;
}
@keyframes cellFlash{
  0%{ background: rgba(201,169,97,.35); }
  100%{ background: rgba(0,0,0,.22); }
}

/* 工具 */
.draft-tools{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.draft-tool{
  flex: 1 1 0;
  min-width: 92px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 8px;
  background: var(--bench-2);
  border: 2px solid var(--line);
  color: var(--ink-2);
  font-family: inherit;
  font-size: .66rem;
  letter-spacing: .08em;
  cursor: pointer;
  touch-action: manipulation;
  box-shadow:
    inset -2px -2px 0 rgba(0,0,0,.3),
    inset 2px 2px 0 rgba(255,255,255,.02),
    0 4px 14px -6px rgba(0,0,0,.6);
  transition: transform .07s, border-color .15s, color .15s;
}
.draft-tool:active{
  transform: translateY(2px);
  box-shadow:
    inset 2px 2px 0 rgba(0,0,0,.3),
    inset -2px -2px 0 rgba(255,255,255,.02);
}
.draft-tool:hover{
  border-color: var(--accent-d);
  color: var(--accent);
}
.draft-tool-mark{
  font-family: var(--mono);
  font-size: 1.2rem;
  color: var(--accent);
  text-shadow: 0 0 10px var(--glow);
  line-height: 1;
}
.draft-tool-name{ text-align: center; }

.draft-actions{
  display: flex; gap: 10px; flex-wrap: wrap;
}
.draft-actions.hidden{ display: none; }

/* 下一步大按钮 */
.draft-next-btn{
  width: 100%;
  flex: none;
  min-width: 0;
  height: auto;
  padding: 16px 20px;
  font-size: .82rem;
  letter-spacing: .2em;
}
.draft-next-btn.hidden{ display: none; }

/* 完成提示框 */
.draft-done-box{
  padding: 16px 16px;
  background: var(--accent-soft);
  border: 2px solid var(--accent);
  box-shadow:
    inset -3px -3px 0 rgba(0,0,0,.2),
    inset 3px 3px 0 rgba(255,255,255,.05),
    0 0 32px -8px rgba(201,169,97,.4);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}
.draft-done-box.hidden{ display: none; }
.draft-done-text{
  font-size: .82rem;
  letter-spacing: .16em;
  color: var(--accent);
  font-weight: 600;
  text-shadow: 0 0 14px var(--glow);
}

/* ==========================================================
   通用美术风格弹窗
   ========================================================== */
.art-modal{
  position: fixed; inset: 0; z-index: 210;
  background: rgba(0,0,0,.68);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}
.art-modal.hidden{ display: none; }

.art-panel{
  background: var(--paper);
  border: 2px solid var(--line-2);
  box-shadow:
    inset -3px -3px 0 rgba(0,0,0,.3),
    inset 3px 3px 0 rgba(255,255,255,.03),
    0 0 0 1px rgba(0,0,0,.4),
    0 24px 60px -12px rgba(0,0,0,.7);
  width: 100%;
  max-width: 400px;
  max-height: 86vh;
  overflow-y: auto;
  display: flex; flex-direction: column;
}
.art-head{
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
}
.art-title{
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--accent);
}
.art-close{
  border: none; background: none;
  color: var(--ink-3); font-family: inherit;
  font-size: .85rem; padding: 4px 8px;
  cursor: pointer; touch-action: manipulation;
}
.art-close:active{ color: var(--danger); }
.art-body{ padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; }
.art-foot{
  padding: 12px 16px 16px;
  display: flex; gap: 10px;
  border-top: 1px solid var(--line);
}

.art-row{
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.art-row-label{
  font-size: .66rem;
  letter-spacing: .12em;
  color: var(--ink-3);
  min-width: 40px;
}
.art-select{
  display: inline-flex; gap: 4px; flex-wrap: wrap;
}
.art-pick{
  padding: 7px 12px;
  background: var(--bench-2);
  border: 2px solid var(--line);
  color: var(--ink-2);
  font-family: inherit;
  font-size: .72rem;
  cursor: pointer;
  touch-action: manipulation;
  transition: border-color .15s, color .15s, background .15s;
}
.art-pick:hover{ border-color: var(--accent-d); }
.art-pick.active{
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.art-input{
  width: 60px;
  padding: 7px 8px;
  background: var(--bench-2);
  border: 2px solid var(--line);
  color: var(--ink);
  font-family: var(--mono);
  font-size: .82rem;
  text-align: center;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.art-input:focus{
  border-color: var(--accent);
  background: rgba(201,169,97,.08);
}
.art-btn{
  flex: 1;
  font-family: inherit;
  font-size: .74rem;
  letter-spacing: .14em;
  padding: 12px 14px;
  background: var(--bench-2);
  color: var(--ink-2);
  border: 2px solid var(--line-2);
  cursor: pointer;
  touch-action: manipulation;
  transition: transform .07s, background .15s, color .15s;
}
.art-btn:active{ transform: translateY(2px); }
.art-btn.primary{
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent-d);
  font-weight: 600;
}
.art-btn.primary:active{ background: var(--accent-d); }
.art-preview{
  padding: 10px 12px;
  background: rgba(0,0,0,.25);
  border: 1px dashed var(--line-2);
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--accent);
  text-align: center;
  letter-spacing: .05em;
  min-height: 1.5em;
}

/* ------- 结局页 ------- */
#endScreen .end-inner{
  max-width: 520px; margin: 0 auto;
  min-height: 100vh; min-height: 100dvh;
  padding: 40px 24px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
}
.end-mark{
  font-size: 2.2rem; color: var(--accent);
  margin-bottom: 24px;
  animation: blink 1.6s steps(2,end) infinite;
  text-shadow: 0 0 28px var(--glow);
}
.end-inner h2{
  font-size: 1.05rem; letter-spacing: .32em; text-indent: .32em;
  font-weight: 600; color: var(--accent);
  margin-bottom: 30px;
}
.end-inner p{ font-size: .8rem; line-height: 2.3; color: var(--ink-2); }

/* ==========================================================
   桌面端
   ========================================================== */
@media (min-width: 820px){
  .game-wrap{
    flex-direction: row; align-items: flex-start;
    padding: 24px; gap: 18px;
    height: 100vh; height: 100dvh;
  }
  .mentor-note{ flex: 0 0 260px; position: sticky; top: 0; }
  .note-text{ min-height: 7em; }
  .bench{ flex: 1; }
  .player-panel .flask-wrap{ min-height: 180px; }
  .target-panel .flask-wrap{ min-height: 130px; }
}

/* ==========================================================
   移动端
   ========================================================== */
@media (max-width: 819px){
  .game-wrap{ padding: 8px; gap: 8px; }

  .mentor-note{ padding: 8px 10px 9px; }
  .note-head{ padding-bottom: 5px; margin-bottom: 6px; }
  .note-mark{ font-size: .78rem; }
  .note-title{ font-size: .62rem; letter-spacing: .2em; }
  .note-level{ font-size: .56rem; }

  .note-text{
    font-size: .72rem;
    line-height: 1.55;
    height: 108px;
    min-height: 108px;
    max-height: 108px;
    overflow-y: auto;
    padding-right: 4px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }
  .note-text::-webkit-scrollbar{ width: 3px; }
  .note-text::-webkit-scrollbar-thumb{
    background: rgba(201,169,97,.28);
    border-radius: 2px;
  }

  .view-tabs{ padding: 2px; }
  .view-tab{ padding: 8px 8px; font-size: .68rem; letter-spacing: .14em; }

  .bench{ gap: 8px; }
  .bench-view{ gap: 8px; }
  .stage{ gap: 8px; }

  .panel{ padding: 8px 10px 10px; }
  .panel-label{ font-size: .56rem; letter-spacing: .2em; margin-bottom: 6px; }
  .panel-code{ margin-top: 4px; font-size: .66rem; }
  .target-name{ margin-top: 4px; font-size: .7rem; letter-spacing: .18em; }

  .flask-wrap{ min-height: 76px; }
  .player-panel .flask-wrap{ min-height: 90px; }
  .target-panel .flask-wrap{ min-height: 78px; }
  .player-panel .flask-wrap canvas{ width: 78px !important; height: 109px !important; }
  .target-panel .flask-wrap canvas{ width: 56px !important; height: 78px !important; }

  .slots{ gap: 7px; }
  .slot{ min-width: 66px; min-height: 66px; padding: 6px; gap: 5px; }
  .slot-top{ gap: 5px; }
  .slot-dot{ width: 11px; height: 11px; border-width: 1.5px; }
  .slot-name{ font-size: .6rem; }
  .slot-btn{ width: 24px; height: 24px; font-size: .78rem; }
  .slot-num{ font-size: .8rem; }
  .slot-x{ font-size: .76rem; padding: 1px 3px; }

  .shelf{ gap: 7px; }
  .shelf-bottle{ padding: 6px 8px 5px; gap: 2px; font-size: .56rem; }
  .shelf-bottle canvas{ width: 36px !important; height: 48px !important; }
  .shelf-name{ font-size: .58rem; letter-spacing: .08em; }
  .shelf-vec{ font-size: .5rem; }

  .actions{ gap: 7px; }
  .pixel-btn{ padding: 9px 10px; font-size: .66rem; letter-spacing: .12em; min-width: 80px; }

  .prefs{ padding: 0; }
  .pref-item{ padding: 4px 6px; font-size: .6rem; gap: 6px; }
  .pref-box{ width: 12px; height: 12px; }

  /* 求解草稿移动端 */
  .draft-progress{ padding: 4px 2px 0; gap: 5px; }
  .draft-dot{ width: 8px; height: 8px; }
  .draft-dot-line{ width: 8px; }
  .draft-step-strip{ padding: 8px 10px; gap: 8px; }
  .draft-step-num{ font-size: .56rem; padding: 2px 7px; }
  .draft-step-name{ font-size: .7rem; letter-spacing: .16em; }

  .draft-matrix{ gap: 5px; padding: 6px 2px; }
  .draft-mrow{ gap: 4px; padding: 0 10px; }
  .draft-rowlabel{ width: 20px; font-size: .62rem; }
  .draft-cell{ width: 38px; height: 30px; font-size: .76rem; }
  .draft-cell.aug{ margin-left: 8px; }

  .draft-tool{ padding: 10px 6px; min-width: 78px; font-size: .6rem; }
  .draft-tool-mark{ font-size: 1rem; }

  .draft-next-btn{ padding: 13px 14px; font-size: .76rem; letter-spacing: .16em; }
  .draft-done-box{ padding: 12px 12px; gap: 10px; }
  .draft-done-text{ font-size: .74rem; letter-spacing: .12em; }
}

@media (max-width: 380px){
  .note-text{ height: 96px; min-height: 96px; max-height: 96px; }
  .draft-cell{ width: 34px; height: 28px; font-size: .72rem; }
  .slot{ min-width: 58px; min-height: 60px; }
  .shelf-bottle canvas{ width: 32px !important; height: 42px !important; }
  .player-panel .flask-wrap canvas{ width: 66px !important; height: 92px !important; }
  .target-panel .flask-wrap canvas{ width: 48px !important; height: 67px !important; }
}

/* ==========================================================
   求解草稿：未解锁的工具 & 提示浮层
   ========================================================== */

/* 已出现但只作介绍、不可点击的工具 */
.draft-tool.preview-only{
  opacity: .55;
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(.35);
}

/* 中途提示（例：这一步不对） */
.draft-flash{
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(181,114,106,.95);
  color: #fff;
  padding: 11px 20px;
  font-size: .76rem;
  letter-spacing: .06em;
  border-radius: 4px;
  box-shadow: 0 8px 24px -8px rgba(0,0,0,.55);
  z-index: 400;
  animation: draftFlashIn .3s ease-out, draftFlashOut .4s ease-out 2.4s forwards;
  pointer-events: none;
  max-width: 90vw;
  text-align: center;
  line-height: 1.5;
}
@keyframes draftFlashIn{
  from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@keyframes draftFlashOut{
  to { opacity: 0; transform: translateX(-50%) translateY(-6px); }
}