:root{color-scheme:dark;--bg:#101e27;--panel:#1b303b;--line:#38515b;--muted:#94aaaF;--cream:#f1e6ce;--gold:#e0bf7d;--teal:#82cbb6;--red:#d98a81;font-family:"Microsoft YaHei","PingFang SC",sans-serif;font-size:14px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:#09151d;color:var(--cream)}body{background-image:radial-gradient(ellipse at 50% 0,#263f4b66,transparent 60%)}button,input,select{font:inherit}button{cursor:pointer;touch-action:manipulation}button:disabled{opacity:.4;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--gold);outline-offset:3px}button,.button{border:1px solid #4a6670;background:#29424b;color:var(--cream);min-height:40px;padding:10px 15px;box-shadow:0 3px 0 #07141a;text-decoration:none;border-radius:3px;transition:background .15s}button:hover{background:#35555d}button.primary{background:var(--gold);border-color:#f1d899;color:#273038;font-weight:800;box-shadow:0 4px 0 #896e44}button.primary:hover{background:#f1d196}button.small{min-height:32px;font-size:12px;padding:6px 10px}button.ghost{background:transparent;box-shadow:none;border-color:#38505a}button.danger{color:#eea09a;border-color:#8b595b}button.wide{width:100%}input,select{width:100%;min-height:44px;background:#11242e;border:1px solid #49616a;border-radius:3px;color:var(--cream);padding:10px 12px}label{font-size:12px;color:#b9c9c8;display:grid;gap:8px;margin-bottom:14px}a{color:var(--teal)}#app{max-width:460px;min-height:100dvh;margin:auto;background:var(--bg);box-shadow:0 0 100px #0007;position:relative}.app-header{height:65px;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-bottom:1px solid #304750;background:#132731}.brand{font-family:serif;letter-spacing:2px;font-weight:900;font-size:20px}.brand-mark{display:inline-grid;place-items:center;background:var(--gold);width:27px;height:29px;margin-right:8px;color:#253740;border:3px double #526357;font-size:18px}.header-tools{display:flex;gap:7px}.icon-button{padding:4px 8px;min-height:30px;font-size:16px;box-shadow:none}.screen{display:none;padding:22px 22px 94px}.screen.active{display:block}.eyebrow{font-size:10px;letter-spacing:3px;color:var(--teal);margin:4px 0 12px}.page-title{font-family:serif;font-size:25px;letter-spacing:2px;margin:0 0 8px;font-weight:800}.muted{color:var(--muted);font-size:12px;line-height:1.8}.flex{display:flex;align-items:center;justify-content:space-between;gap:12px}.row{display:flex;gap:8px;align-items:center}.row>*{min-width:0}.stack{display:grid;gap:12px}.panel{border:1px solid var(--line);background:linear-gradient(135deg,#213944,#182b35);padding:16px;border-radius:4px;margin:14px 0}.panel-title{font-size:13px;color:#d0dcd4;margin:0 0 12px;font-weight:700}.profile{display:flex;gap:12px;align-items:center}.avatar{display:grid;place-items:center;flex-shrink:0;width:46px;height:46px;background:#3e635f;border:2px solid #7dba9f;font-family:serif;font-size:24px;color:var(--gold);box-shadow:3px 3px 0 #0b1b22}.profile-name{font-weight:700;font-size:15px}.stat{padding:5px 10px;font-size:12px;background:#10232d;border:1px solid #314b53;color:var(--gold)}.hero-banner{position:relative;overflow:hidden;min-height:218px;margin:22px -22px 16px;padding:22px;background:linear-gradient(#233f4a,#304b4c 54%,#1b343c);border-block:1px solid #455b5b}.hero-banner:before,.hero-banner:after{content:"";position:absolute;width:290px;height:130px;right:-100px;bottom:0;background:#152b32;clip-path:polygon(0 100%,0 55%,10% 55%,10% 35%,20% 35%,20% 25%,30% 25%,30% 5%,40% 5%,40% 25%,55% 25%,55% 45%,70% 45%,70% 35%,90% 35%,90% 100%)}.hero-banner:after{right:50px;bottom:-18px;opacity:.5}.hero-banner h2{position:relative;z-index:1;font-family:serif;font-size:33px;line-height:1.5;letter-spacing:4px;width:62%;margin:0 0 12px}.hero-banner .muted{position:relative;z-index:1;max-width:58%;font-size:11px;color:#afc6c1}.hero-art{position:absolute;right:18px;bottom:24px;width:130px;height:130px;z-index:2;image-rendering:pixelated}.hero-banner .eyebrow{position:relative;z-index:2;color:#e1bd79}.primary-action{width:100%;min-height:52px;font-size:16px;letter-spacing:3px}.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:16px 0}.quick-card{text-align:left;min-height:80px;padding:14px;background:#1d343d}.quick-card .symbol{display:block;font-size:20px;color:var(--teal);margin-bottom:5px}.quick-card small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.section-heading{font-size:13px;margin:22px 0 10px;display:flex;justify-content:space-between;align-items:center}.item-row{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid #31454e}.item-row:last-child{border-bottom:0}.item-row .grow{flex:1;min-width:0}.item-row .actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.item-row strong{font-size:13px}.badge{display:inline-block;border:1px solid #496459;padding:3px 7px;font-size:10px;color:var(--teal);border-radius:2px}.badge.gold{color:var(--gold);border-color:#776847}.online-dot{display:inline-block;width:6px;height:6px;background:#7cc9a9;margin-right:5px}.online-dot.off{background:#6d7b7d}.empty{text-align:center;padding:25px 12px;color:var(--muted);font-size:12px;border:1px dashed #38505a;margin:14px 0}.bottom-nav{position:sticky;bottom:0;height:67px;display:flex;margin-top:-67px;background:#112731f5;border-top:1px solid #38515b;padding:7px 7px env(safe-area-inset-bottom);z-index:10}.bottom-nav button{flex:1;background:transparent;border:0;box-shadow:none;font-size:10px;padding:0;color:#7f999f;min-width:0}.bottom-nav button span{display:block;font-size:18px;margin-bottom:4px}.bottom-nav button.active{color:var(--gold)}.pill-count{display:inline-block;background:#c27069;color:white;border-radius:10px;padding:0 5px;font:10px sans-serif;margin-left:4px}.auth{padding-top:38px}.auth .hero-banner{min-height:180px}.auth form{margin-top:30px}.auth-switch{text-align:center;margin-top:20px;width:100%;font-size:12px}.friend-search{display:flex;gap:8px;margin:22px 0}.signin-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:20px 0}.signin-day{min-height:90px;background:#1e343d;border:1px solid #45605d;padding:10px;text-align:center}.signin-day.current{border:2px solid var(--gold);background:#394339}.signin-day.claimed{opacity:.55}.signin-day.grand{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;min-height:64px;color:var(--gold)}.signin-day strong{display:block;margin:9px 0}.equip-card{border:1px solid #415958;margin:16px 0;padding:15px;background:#1c333b}.equip-slot{margin-top:10px;padding:10px;background:#142a33;border:1px dashed #4d6266}.weapon-name{color:var(--gold)}.mini-sprite{width:43px;height:43px;image-rendering:pixelated}.rank-medal{font:bold 20px serif;color:var(--gold);width:26px;text-align:center}.room-code{font:800 40px monospace;letter-spacing:9px;color:var(--gold);text-align:center;padding:23px 0}.room-players{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.room-player{padding:22px 10px;text-align:center;border:1px solid var(--line);background:#1c323d}.room-player .avatar{margin:0 auto 12px}.link-box{font-size:11px;background:#0c202a;padding:10px;word-break:break-all;color:#9dcdbf;margin:10px 0}.result-emblem{text-align:center;font-size:60px;color:var(--gold);margin:30px auto 20px}.result-title{text-align:center;font:800 32px serif;margin:12px 0;color:var(--gold)}#toast{position:fixed;left:50%;transform:translateX(-50%);bottom:92px;z-index:100;max-width:min(90vw,410px);width:max-content;padding:12px 18px;border:1px solid #ba9c66;border-radius:3px;background:#203944f5;color:#fff0cc;box-shadow:0 7px 25px #0007;opacity:0;pointer-events:none;transition:opacity .15s}#toast.show{opacity:1}dialog{color:var(--cream);background:#19303c;border:1px solid #6e8279;border-radius:4px;max-width:min(92vw,400px);width:400px;padding:22px;box-shadow:0 20px 80px #000b}dialog::backdrop{background:#061019c9}dialog h2{font:700 21px serif;margin:0 0 17px}dialog p{line-height:1.9;white-space:pre-wrap;font-size:13px}dialog .dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.battle-mode #app{height:100dvh;min-height:0;display:flex;flex-direction:column}.battle-mode .app-header{height:44px;min-height:44px;padding:0 14px}.battle-mode .brand{font-size:16px}.battle-mode .brand-mark{height:23px;width:23px;font-size:14px}.battle-mode .bottom-nav{display:none}.battle-mode .screen.active{flex:1;min-height:0;display:flex;flex-direction:column;padding:0 10px env(safe-area-inset-bottom)}.battle-canvas-wrap{flex:1;min-height:0;position:relative}#battle-canvas{display:block;width:100%;height:100%;touch-action:none;user-select:none}.battle-controls{padding:5px 4px 9px;flex-shrink:0}.battle-controls .row{gap:7px}.battle-controls .primary{flex:1;min-height:43px;white-space:nowrap}.battle-hint{text-align:center;font-size:10px;color:#a3b6b7;margin:6px 0 0;line-height:1.4}.battle-extra{display:flex;justify-content:space-between;gap:6px;margin-top:7px}.battle-extra button{font-size:10px;min-height:26px;padding:3px 9px;box-shadow:none}.battle-mode #toast{bottom:125px}.preview-badge{padding:7px 12px;font-size:10px;border:1px solid #52665d;color:var(--teal);width:max-content;margin:0 0 16px}.footer-note{font-size:10px;color:#6f8a91;text-align:center;margin:25px 0 0;line-height:1.8}[hidden]{display:none!important}@media(max-width:350px){.screen{padding-inline:16px}.app-header{padding-inline:16px}.hero-banner{margin-inline:-16px;padding:18px 16px}.hero-banner h2{font-size:28px}.hero-art{width:112px;height:112px;right:12px}.battle-mode .screen.active{padding-inline:4px}.battle-controls{padding-bottom:5px}.battle-controls .primary{min-height:36px}.battle-hint{font-size:9px}.battle-extra{margin-top:4px}.page-title{font-size:23px}}
.battle-mode #screens{flex:1;min-height:0;display:flex;flex-direction:column}.battle-mode .screen.active{width:100%}.screen .grow{flex:1;min-width:0}
.mail-body{white-space:pre-wrap;overflow-wrap:anywhere}

/* Presentation only: combat clocks remain authoritative on the server. */
.sound-toggle{display:inline-flex;align-items:center;gap:5px;padding:4px 7px;min-height:30px;font-size:11px;white-space:nowrap;color:var(--teal);box-shadow:none}
.sound-toggle::before{content:'♪';font-size:16px;line-height:1;color:var(--gold)}
.sound-toggle[aria-pressed="false"]{color:var(--muted)}
.sound-toggle[aria-pressed="false"]::before{opacity:.45}
.header-tools{align-items:center;flex-shrink:0}
button:active:not(:disabled){transform:translateY(2px);box-shadow:none;filter:brightness(1.08)}
.screen.active:not(#screen-battle):not(#preview-battle){animation:screen-arrive .2s ease-out both}
.hero-art{animation:pixel-idle 2.6s steps(10,end) infinite;transform-origin:50% 100%}
.result-emblem{animation:result-arrive .7s cubic-bezier(.2,.9,.25,1.15) both}
.result-title{animation:screen-arrive .45s ease-out both}
dialog[open]{animation:screen-arrive .16s ease-out both}
@keyframes screen-arrive{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
@keyframes pixel-idle{0%,100%{transform:translateY(0) scaleY(1)}50%{transform:translateY(-4px) scaleY(1.025)}}
@keyframes result-arrive{0%{opacity:0;transform:translateY(18px) scale(.7) rotate(-8deg)}65%{opacity:1;transform:translateY(-3px) scale(1.08) rotate(3deg)}100%{transform:translateY(0) scale(1) rotate(0)}}
.effects-off .screen,.effects-off .hero-art,.effects-off .result-emblem,.effects-off .result-title,.effects-off dialog{animation:none!important}
@media(max-width:350px){.app-header .brand{font-size:17px;letter-spacing:1px}.app-header .brand-mark{width:24px;margin-right:5px}.header-tools{gap:4px}.sound-toggle{padding-inline:5px;font-size:10px}.battle-mode .brand{font-size:15px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}button:active:not(:disabled){transform:none}}

.battle-hint.needs-space{display:block;color:#e0bf7d;font-size:10px;line-height:1.2}

/* Public local-practice assistance; compact combat row leaves both boards visible. */
.practice-panel label{margin-bottom:8px;color:var(--gold)}
.practice-heading{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:14px}.practice-heading strong{font-size:14px;color:var(--teal)}.practice-heading .badge{line-height:1.6}
.practice-panel .muted{margin:8px 0}.practice-benefit{font-size:12px;color:var(--gold);line-height:1.7;margin:8px 0}.practice-benefit:empty{display:none}.practice-panel .footer-note{margin-top:10px;text-align:left}
.practice-strip{display:flex;justify-content:space-between;align-items:center;gap:6px;font-size:10px;color:var(--teal);line-height:16px;padding-bottom:5px;white-space:nowrap}.practice-strip span:last-child{color:var(--muted)}.practice-result p{margin:5px 0;font-size:12px;line-height:1.7}