/* 介面尺寸一律用 rem：根字級由 game.js 依螢幕決定（直式約 15～18px、寬螢幕約 15～22px），不跟著遊戲畫面縮小 */
:root{--paper:#F7F2E8;--ink:#2A2420;--ink2:#665B50;--zhu:#B5462F;--gold:#C8963E;--line:rgba(42,36,32,.22);--serif:"Noto Serif TC","Songti TC","PMingLiU","MingLiU",serif}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{font-size:16px}
html,body{margin:0;height:100%;background:var(--paper);overflow:hidden;overscroll-behavior:none}
body{font-family:var(--serif);color:var(--ink);-webkit-user-select:none;user-select:none;touch-action:manipulation;-webkit-font-smoothing:antialiased}
[hidden]{display:none!important}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;padding:0}
a{color:inherit}

#app{position:fixed;left:0;top:0;right:0;bottom:0;overflow:hidden;background:var(--paper)}
/* 直式：上方資訊、中間遊戲畫面、下方操作。寬螢幕：遊戲畫面佔左邊整個高度，資訊與操作移到右側 */
#play{position:absolute;left:0;top:0;right:0;bottom:0;display:grid;grid-template:"top" auto "field" minmax(0,1fr) "bottom" auto / minmax(0,1fr)}
.wide #play{grid-template:"field top" auto "field bottom" minmax(0,1fr) / minmax(0,1fr) clamp(18rem,32vw,24rem)}
#field{grid-area:field;position:relative;min-width:0;min-height:0;overflow:hidden}
#cv{position:absolute;left:0;top:0;width:100%;height:100%;display:block;touch-action:none}

#top{grid-area:top;padding:.5rem .75rem .5rem;background:var(--paper);border-bottom:1px solid rgba(42,36,32,.1);z-index:2}
.wide #top{border-bottom:0;border-left:1px solid rgba(42,36,32,.12);padding:.9rem 1rem .5rem}
.row1{display:flex;align-items:center;gap:.5rem}
.wide .row1{flex-wrap:wrap;row-gap:.7rem}
.ibs{display:flex;gap:.4rem;flex:none}
.wide .ibs{width:100%}
.ib{width:2.3rem;height:2.3rem;border:1px solid var(--line);border-radius:.6rem;font-size:1rem;font-weight:600;background:rgba(255,255,255,.55);line-height:1;flex:none}
.ib.off{opacity:.4;text-decoration:line-through}
#waveLbl{flex:1;text-align:center;font-size:1rem;color:var(--ink2);letter-spacing:.04em;white-space:nowrap}
.wide #waveLbl{text-align:left;font-size:1.05rem}
#yuyu{font-size:.9rem;color:var(--ink2);white-space:nowrap}
#yuyu b{font-size:1.4rem;color:var(--ink);margin-left:.3rem;font-weight:900}
.stiff{display:flex;align-items:center;gap:.6rem;margin-top:.45rem;font-size:.9rem;color:var(--ink2);white-space:nowrap}
#stiffBar{flex:1;height:.8rem;border-radius:.4rem;background:#EBD9A8;overflow:hidden;border:1px solid rgba(42,36,32,.2)}
#stiffBar i{display:block;height:100%;width:50%;background:linear-gradient(90deg,#63666e,#3e4047);border-radius:.4rem;transition:width .35s}

#bottom{grid-area:bottom;padding:.45rem .6rem .55rem;background:var(--paper);border-top:1px solid rgba(42,36,32,.1);display:flex;flex-direction:column;gap:.4rem;z-index:2;min-height:0}
.wide #bottom{border-top:0;border-left:1px solid rgba(42,36,32,.12);padding:.4rem 1rem 1rem;gap:.6rem}
.rowA{display:flex;align-items:center;gap:.6rem;height:1.8rem;font-size:.9rem;color:var(--ink2);flex:none}
#focusBar{flex:1;height:.5rem;border-radius:.25rem;background:rgba(42,36,32,.12);overflow:hidden}
#focusBar i{display:block;height:100%;background:var(--gold);width:100%}
#btnPush{height:1.8rem;padding:0 .9rem;border:1px solid var(--zhu);color:var(--zhu);border-radius:.9rem;font-size:.9rem;background:rgba(255,255,255,.5);line-height:1}
#btnPush.wait{opacity:.35}

#towerBar{display:flex;gap:.4rem;height:4.4rem;flex:none}
.wide #towerBar{flex-direction:column;height:auto}
.tb{flex:1;min-width:0;border:1px solid var(--line);border-radius:.7rem;background:rgba(255,255,255,.6);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.05rem;line-height:1.15}
.wide .tb{flex:none;flex-direction:row;justify-content:flex-start;gap:.7rem;height:3.3rem;padding:0 .8rem;text-align:left}
.tb .g{width:1.9rem;height:1.9rem;border-radius:50%;border:.11rem solid currentColor;display:flex;align-items:center;justify-content:center;font-size:1.05rem;font-weight:900;background:#FCF8EF;flex:none}
.tb .n{font-size:.92rem;color:var(--ink);font-weight:600;white-space:nowrap}
.tb .d{display:none;font-size:.82rem;color:var(--ink2);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wide .tb .d{display:block;white-space:normal;line-height:1.25}
.tb .c{font-size:.82rem;color:var(--ink2);white-space:nowrap}
.wide .tb .c{margin-left:auto;font-size:.9rem;flex:none}
.tb.sel{border-color:var(--zhu);box-shadow:inset 0 0 0 1px var(--zhu);background:#FFF9EC}
.tb.poor{opacity:.5}
.tb.lock{opacity:.28}

#towerInfo{height:4.4rem;flex:none;display:flex;flex-wrap:wrap;align-content:center;gap:.3rem .4rem;border:1px solid var(--line);border-radius:.7rem;padding:.3rem .5rem;background:rgba(255,255,255,.65)}
.wide #towerInfo{height:auto;padding:.8rem;gap:.6rem .4rem}
#tiText{width:100%;text-align:left;display:flex;align-items:baseline;flex-wrap:wrap;gap:0 .5rem;overflow:hidden;max-height:1.5rem}
.wide #tiText{max-height:none}
#tiName{font-size:1.08rem;font-weight:900;white-space:nowrap}
#tiName small{font-weight:400;font-size:.82rem;color:var(--ink2);margin-left:.4rem}
#tiDesc{font-size:.86rem;color:var(--ink2);white-space:nowrap}
#tiFull{display:none;width:100%;font-size:.95rem;color:var(--ink2);line-height:1.5;margin-top:.3rem}
.wide #tiDesc{display:none}
.wide #tiFull{display:block}
.sb{flex:1;min-width:0;height:2.2rem;padding:0 .3rem;border:1px solid var(--line);border-radius:.6rem;font-size:.88rem;background:#FCF8EF;white-space:nowrap}
.wide .sb{height:2.6rem}
.sb.pri{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.sb.pt{color:var(--zhu);border-color:rgba(181,70,47,.45)}
.sb.x{flex:none;width:2.4rem}
.sb.poor{opacity:.45}

.rowC{display:flex;align-items:center;gap:.6rem;height:4.1rem;flex:none}
.wide .rowC{flex-direction:column;align-items:stretch;justify-content:space-between;height:auto;flex:1;min-height:6rem}
#hint{flex:1;min-width:0;font-size:.95rem;line-height:1.36;color:var(--ink2);text-align:left}
.wide #hint{flex:none;font-size:1rem;line-height:1.55}
#hint.note{color:var(--ink);border-left:.15rem solid var(--zhu);padding-left:.6rem;animation:noteIn .4s ease-out}
#hint b{color:var(--zhu);font-weight:600;margin-right:.4rem}
@keyframes noteIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
#chip{flex:1;min-width:0;height:2.6rem;border:1px solid rgba(181,70,47,.45);border-radius:1.3rem;font-size:.95rem;color:var(--zhu);background:rgba(255,255,255,.6);text-align:left;padding:0 1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wide #chip{flex:none}
#chip b{color:var(--ink);font-weight:900;margin-right:.5rem}
#btnWave{width:6.4rem;height:3rem;border-radius:1.5rem;background:var(--ink);color:var(--paper);font-size:1.05rem;font-weight:600;letter-spacing:.06em;flex:none}
.wide #btnWave{width:100%;height:3.2rem}
#btnWave.idle{background:transparent;color:var(--ink2);border:1px solid var(--line)}

.scr{position:absolute;left:0;top:0;right:0;bottom:0;display:flex;padding:1.4rem 1.25rem;text-align:center;background:rgba(247,242,232,.95);z-index:5;overflow-y:auto}
.scr>.in{margin:auto;width:100%;max-width:27rem;display:flex;flex-direction:column;align-items:center}
.big{display:flex;align-items:flex-start;justify-content:center;gap:.6rem;margin-bottom:1.3rem}
.big h1{margin:0;writing-mode:vertical-rl;font-size:min(6rem,14vh);font-weight:900;line-height:1.05;letter-spacing:.06em}
.seal{writing-mode:vertical-rl;background:var(--zhu);color:#F7EFE0;font-size:1rem;font-weight:600;letter-spacing:.3em;padding:.6rem .32rem .4rem;border-radius:.25rem;margin-top:.75rem}
.tag{font-size:1.15rem;font-weight:600;margin:0 0 .6rem}
.sub{font-size:.95rem;color:var(--ink2);line-height:1.8;margin:0 0 1.5rem;white-space:pre-line}
.cta{min-width:10.5rem;height:3.1rem;padding:0 1.6rem;border-radius:1.55rem;background:var(--ink);color:var(--paper);font-size:1.1rem;font-weight:600;letter-spacing:.2em}
.ghost{min-width:7.5rem;height:2.8rem;padding:0 1.1rem;border-radius:1.4rem;border:1px solid var(--line);font-size:1rem;background:rgba(255,255,255,.55)}
.btns{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;margin-top:.6rem}
.brand{margin-top:2rem;display:flex;flex-direction:column;align-items:center;gap:.4rem;font-size:.85rem;color:var(--ink2)}
.brand img{height:2.6rem;display:block}
.brand .lk{display:flex;gap:.9rem;align-items:center}
.brand a{text-decoration:none;border-bottom:1px solid rgba(110,99,88,.4)}
.brand p{margin:0;font-size:.8rem;opacity:.9}

.scr h2{margin:0 0 .4rem;font-size:1.7rem;font-weight:900;letter-spacing:.08em}
.scr .lead{margin:0 0 1.1rem;font-size:.95rem;color:var(--ink2)}
#scrLevels>.in{max-width:28rem}
.wide #scrLevels>.in{max-width:52rem}
#lvList{width:100%;display:grid;grid-template-columns:minmax(0,1fr);gap:.6rem}
.wide #lvList{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.lv{display:flex;align-items:center;gap:.8rem;padding:.75rem .9rem;border:1px solid var(--line);border-radius:.9rem;background:rgba(255,255,255,.6);text-align:left}
.lv .no{flex:none;width:2.6rem;height:2.6rem;border-radius:50%;border:1.5px solid var(--zhu);color:var(--zhu);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:1.1rem}
.lv .tx{flex:1;min-width:0}
.lv .nm{font-size:1.25rem;font-weight:900}
.lv .ds{font-size:.9rem;color:var(--ink2);line-height:1.5}
.lv .rt{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:.15rem}
.lv .st{font-size:1.05rem;letter-spacing:2px;color:var(--gold);font-weight:900}
.lv .kp{font-size:.8rem;color:var(--ink2)}
.st .off{color:rgba(42,36,32,.16)}
.lv.lock{opacity:.42}

#resStars{font-size:3.8rem;font-weight:900;letter-spacing:.12em;color:var(--gold);margin:.5rem 0 .9rem;line-height:1}
#resLine{font-size:1.08rem;line-height:1.8;margin:0 0 .6rem}
#resStat{font-size:.9rem;color:var(--ink2);margin:0 0 1.2rem}

#scrPoint{background:rgba(42,36,32,.45);z-index:7}
.card{margin:auto;width:100%;max-width:29rem;background:var(--paper);border-radius:1rem;padding:1.2rem 1.3rem 1rem;text-align:left;box-shadow:0 12px 40px rgba(30,20,10,.25);border:1px solid rgba(42,36,32,.12)}
.card .k{font-size:.8rem;letter-spacing:.2em;color:var(--zhu)}
.card h3{margin:.25rem 0 .1rem;font-size:2.1rem;font-weight:900;letter-spacing:.06em}
.card .m{font-size:.9rem;color:var(--ink2);margin-bottom:.6rem}
.card dl{margin:0}
.card dt{font-size:.82rem;color:var(--zhu);letter-spacing:.1em;margin-top:.65rem}
.card dd{margin:.15rem 0 0;font-size:1rem;line-height:1.7}
.card .ft{margin:.9rem 0 0;padding-top:.6rem;border-top:1px solid var(--line);font-size:.78rem;line-height:1.6;color:var(--ink2)}
.card .nav{display:flex;align-items:center;gap:.5rem;margin-top:.8rem}
.card .nav span{flex:1;text-align:center;font-size:.9rem;color:var(--ink2)}
.card .nav button{height:2.6rem;padding:0 .7rem;font-size:.92rem;border:1px solid var(--line);border-radius:.6rem;background:#FCF8EF}
.card .nav .x{background:var(--ink);color:var(--paper);border-color:var(--ink);padding:0 1.1rem}

/* 首頁的兩個玩法入口 */
.modes{display:flex;flex-direction:column;gap:.7rem;align-items:center;width:100%}
.mode{display:flex;flex-direction:column;align-items:center;gap:.1rem;width:18rem;max-width:100%;padding:.75rem 1rem;border-radius:1rem;border:1px solid var(--line);background:rgba(255,255,255,.6);text-decoration:none;line-height:1.4}
.mode.pri{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.mode b{font-size:1.15rem;letter-spacing:.18em;font-weight:600}
.mode small{font-size:.86rem;opacity:.82}
a.ghost{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}

/* 觀照版：四個詞的累計、怎麼玩的清單 */
#btnMed{flex:none;height:1.8rem;padding:0 .8rem;border:1px solid #6F8298;color:#4E6178;border-radius:.9rem;font-size:.9rem;background:rgba(255,255,255,.6);white-space:nowrap;line-height:1}
#btnMed b{font-weight:900;margin-left:.3rem}
#btnMed.arm{background:#5E7288;border-color:#5E7288;color:#F7F2E8}
#btnMed.out{opacity:.35}
#tally{flex:1;min-width:0;font-size:.86rem;color:var(--ink2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-align:left}
#tally b{color:var(--ink);font-weight:900;margin:0 .55rem 0 .2rem}
.how{list-style:none;margin:.6rem 0 0;padding:0}
.how li{display:flex;gap:.7rem;align-items:flex-start;padding:.42rem 0;border-top:1px solid var(--line)}
.how li:first-child{border-top:0}
.how .g{flex:none;width:2.1rem;height:2.1rem;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#F7F2E8;font-weight:900;font-size:1.1rem}
.how .t{flex:1;min-width:0;font-size:.95rem;line-height:1.5}
#scrHow{padding-bottom:0}
#scrHow .card{padding-bottom:0;margin-bottom:auto;border-bottom-left-radius:0;border-bottom-right-radius:0}
#scrHow .nav{position:sticky;bottom:0;background:var(--paper);padding:.6rem 0 .9rem;margin-top:.4rem}
#scrHow .ft{margin-top:.5rem}
.how .t b{margin-right:.4rem}
.how .t i{font-style:normal;color:var(--zhu);font-size:.85rem;margin-left:.4rem;white-space:nowrap}