/* SWARM · 明亮几何。App 形态：四分页 + 底部 tab 栏；开局后全屏，tab 栏让位。 */
:root{
  --bg:#FAFAF7; --ink:#141414; --ink-2:#4A4F55; --ink-3:#8B9198; --line:#E4E6E9; --panel:#FFFFFF;
  --acc:#E85D2C; --acc-soft:#FCEDE6; --hp:#E85D2C; --xp:#2F6FED; --ok:#059669; --gold:#F2B705;
  --font-display:"Manrope","PingFang SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif; --font-body:"Manrope","PingFang SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,-apple-system,sans-serif; --font-num:"JetBrains Mono","Manrope",monospace;
  --ease:cubic-bezier(.2,.7,.2,1);
  --tabh:calc(58px + env(safe-area-inset-bottom));
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);overflow:hidden;overscroll-behavior:none}
body{font-family:var(--font-body);font-size:15px;line-height:1.45;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;user-select:none;-webkit-user-select:none;touch-action:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
button:focus-visible,a:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:8px}
a{color:inherit}
[hidden]{display:none!important}
#c{position:fixed;inset:0;width:100%;height:100%;display:block;background:var(--bg)}

/* ══ App 外壳 ══ */
.app{position:fixed;left:0;right:0;top:0;bottom:var(--tabh);z-index:10;overflow-y:auto;-webkit-overflow-scrolling:touch;touch-action:pan-y;background:var(--bg)}
.pane-in{max-width:560px;margin:0 auto;padding:max(18px,env(safe-area-inset-top)) 16px 24px}
.brandbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px;min-height:40px}
.logo{font-family:var(--font-display);font-weight:800;font-size:clamp(32px,9vw,46px);letter-spacing:.14em;margin:0;line-height:1}
.logo i{font-style:normal;color:var(--acc)}
.pane-h{font-family:var(--font-display);font-weight:800;font-size:26px;margin:0;letter-spacing:-.01em}
.pane-sub{color:var(--ink-2);margin:0 0 14px;font-size:14px}
.pane-note{color:var(--ink-3);font-size:13px;margin:14px 0 0;text-align:center}
.tagline{color:var(--ink-2);margin:2px 0 18px;font-size:16px;max-width:44ch}
.tagline b{color:var(--ink)}
.coins{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-num);font-weight:700;background:var(--panel);border:1px solid var(--line);border-radius:99px;padding:6px 12px;font-size:14px;white-space:nowrap}
.coins i{width:12px;height:12px;border-radius:50%;background:var(--gold);display:inline-block;box-shadow:inset -2px -2px 0 rgba(0,0,0,.15)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px 16px;margin:12px 0}
.card h2{font-family:var(--font-display);font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin:0 0 10px;font-weight:800}

.primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--ink);color:#fff;border-radius:12px;padding:14px 26px;font-weight:800;font-size:17px;letter-spacing:.04em;transition:transform .1s var(--ease),opacity .15s;width:100%}
.primary:hover{opacity:.92}.primary:active{transform:scale(.98)}
.primary.acc{background:var(--acc)}
.primary.big{padding:20px 26px;font-size:21px;letter-spacing:.12em;border-radius:14px;box-shadow:0 14px 30px -16px rgba(232,93,44,.9)}
.ghost{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-weight:700;font-size:15px;color:var(--ink-2);background:var(--panel);transition:background .15s;width:100%}
.ghost:hover{background:var(--bg)}
.ghost.danger{color:#B3352F;border-color:#F0D6D3}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.row .ghost{flex:1;width:auto}

.quickstats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:16px 0 4px}
.quickstats div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 6px;text-align:center}
.quickstats b{display:block;font-family:var(--font-num);font-size:20px;line-height:1.15}
.quickstats small{color:var(--ink-3);font-size:10px;letter-spacing:.06em;text-transform:uppercase}

.howto{display:grid;gap:10px;color:var(--ink-2);font-size:14px}
.howto div{display:grid;grid-template-columns:60px 1fr;gap:10px;align-items:center}
.howto kbd{display:inline-block;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:6px 0;text-align:center;font-family:var(--font-num);font-size:11px;font-weight:700;color:var(--ink)}

/* 设置 / 关于 / 法律行 */
.setting{display:flex;justify-content:space-between;align-items:center;padding:11px 0;border-bottom:1px solid var(--line);font-size:15px}
.setting:last-child{border-bottom:0}
.setting input[type=range]{width:140px;accent-color:var(--acc)}
.toggle{width:46px;height:28px;border-radius:99px;background:var(--line);position:relative;transition:background .15s;flex:none}
.toggle::after{content:"";position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .15s var(--ease);box-shadow:0 1px 3px rgba(0,0,0,.2)}
.toggle.on{background:var(--ok)}.toggle.on::after{transform:translateX(18px)}
.lang{border:1px solid var(--line);border-radius:99px;padding:6px 14px;font-size:12px;font-weight:800;letter-spacing:.06em;color:var(--ink-2);background:var(--bg)}
.about-row{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-3)}
.about-row:last-of-type{border-bottom:0}
.about-row b{font-weight:700;color:var(--ink-2);text-align:right;font-size:13px;max-width:62%}
.about-note{color:var(--ink-3);font-size:13px;margin:10px 0 0;line-height:1.5}
.linkrow{display:flex;justify-content:space-between;align-items:center;padding:13px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:15px}
.linkrow:last-of-type{border-bottom:0}
.linkrow em{font-style:normal;color:var(--ink-3);font-size:20px;line-height:1}

/* 战绩 */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:0 0 4px}
.stats div{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:11px 6px;text-align:center}
.stats b{display:block;font-family:var(--font-num);font-size:23px;line-height:1.15}
.stats small{color:var(--ink-3);font-size:10px;letter-spacing:.06em;text-transform:uppercase}
.bestrun{display:grid;gap:7px;font-size:14px;color:var(--ink-2)}
.bestrun div{display:flex;justify-content:space-between}
.bestrun b{font-family:var(--font-num);color:var(--ink)}
.achv{display:grid;gap:8px}
.achv-i{display:grid;grid-template-columns:34px 1fr auto;gap:11px;align-items:center;font-size:14px;opacity:.45}
.achv-i.got{opacity:1}
.achv-i .m{width:34px;height:34px;border-radius:10px;background:var(--bg);display:grid;place-items:center;font-size:17px;border:1px solid var(--line)}
.achv-i.got .m{background:var(--acc-soft);border-color:var(--acc)}
.achv-i b{display:block;font-size:14px;font-weight:700}
.achv-i small{color:var(--ink-3);font-size:12px}
.achv-i .tick{color:var(--ok);font-weight:800}

/* ══ 底部 tab 栏 —— app 底部只有这一条 ══ */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:15;height:var(--tabh);padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(12px);border-top:1px solid var(--line)}
.tab{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--ink-3);transition:color .15s,transform .1s var(--ease)}
.tab svg{width:24px;height:24px}
.tab small{font-size:10.5px;font-weight:700;letter-spacing:.02em}
.tab.on{color:var(--acc)}
.tab:active{transform:scale(.94)}

/* 开局后：外壳和 tab 栏让位给全屏战斗 */
body[data-mode="run"] .app,body[data-mode="run"] .tabbar{display:none}

/* ══ 战斗 HUD ══ */
.hud{position:fixed;inset:0;pointer-events:none;z-index:5;font-family:var(--font-num);font-variant-numeric:tabular-nums}
.hud-top{position:absolute;left:0;right:0;top:0;padding:max(10px,env(safe-area-inset-top)) 14px 0}
.bar{height:10px;border-radius:99px;background:rgba(20,20,20,.08);overflow:hidden;position:relative}
.bar i{display:block;height:100%;border-radius:99px;transition:width .12s linear}
.bar.xp i{background:var(--xp)}
.bar.hp{height:14px;margin-top:6px;max-width:260px}
.bar.hp i{background:var(--hp)}
.bar.hp.low i{animation:pulse .5s infinite alternate}
@keyframes pulse{from{opacity:1}to{opacity:.55}}
.hud-row{display:flex;justify-content:space-between;align-items:flex-start;margin-top:8px}
.hud-lv{font-size:13px;color:var(--ink-2);font-weight:700}
.hud-time{font-size:28px;font-weight:700;letter-spacing:.02em;text-align:center;line-height:1}
.hud-time.boss{color:var(--acc)}
.hud-kills{font-size:13px;color:var(--ink-2);text-align:right;font-weight:700}
.hud-kills b{display:block;font-size:20px;color:var(--ink);line-height:1.1}
.hud-weapons{position:absolute;left:14px;top:74px;display:flex;flex-wrap:wrap;gap:6px;max-width:220px}
.wslot{width:34px;height:34px;border-radius:9px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;position:relative;box-shadow:0 1px 0 rgba(0,0,0,.04)}
.wslot svg{width:22px;height:22px}
.wslot small{position:absolute;right:-4px;bottom:-4px;background:var(--ink);color:#fff;font-size:9px;line-height:1;padding:2px 4px;border-radius:6px;font-weight:700}
.wslot.evo{border-color:var(--acc);box-shadow:0 0 0 2px var(--acc-soft)}
.combo{position:absolute;right:14px;top:80px;text-align:right;font-weight:700;color:var(--acc);font-size:22px;opacity:0;transform:translateY(4px);transition:opacity .2s,transform .2s}
.combo.on{opacity:1;transform:none}
.combo small{display:block;font-size:11px;color:var(--ink-3);letter-spacing:.08em}
.boss-bar{position:absolute;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(420px,80vw)}
.boss-bar .bar{height:10px;background:rgba(20,20,20,.1)}
.boss-bar .bar i{background:var(--ink)}
.boss-bar span{display:block;text-align:center;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--ink-2);margin-bottom:4px}
.btn-pause{position:absolute;right:14px;top:max(10px,env(safe-area-inset-top));pointer-events:auto;width:38px;height:38px;border-radius:10px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-2)}
.hud-hint{position:absolute;left:50%;bottom:max(90px,calc(env(safe-area-inset-bottom) + 90px));transform:translateX(-50%);font-family:var(--font-body);font-size:13px;color:var(--ink-3);background:rgba(255,255,255,.85);padding:6px 12px;border-radius:99px;white-space:nowrap;transition:opacity .4s}
.toast-lv{position:absolute;left:50%;top:38%;transform:translate(-50%,-50%);font-family:var(--font-display);font-weight:800;font-size:clamp(22px,4vw,34px);color:var(--ink);opacity:0;pointer-events:none;letter-spacing:.04em;text-align:center}
.toast-lv.on{animation:toast 1.4s var(--ease) forwards}
@keyframes toast{0%{opacity:0;transform:translate(-50%,-40%) scale(.9)}15%{opacity:1;transform:translate(-50%,-50%) scale(1)}80%{opacity:1}100%{opacity:0;transform:translate(-50%,-60%)}}
.vignette{position:fixed;inset:0;pointer-events:none;z-index:4;box-shadow:inset 0 0 0 0 rgba(232,93,44,0);transition:box-shadow .15s}
.vignette.hit{box-shadow:inset 0 0 120px 20px rgba(232,93,44,.35)}

/* ══ 覆盖层 ══ */
.ov{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:16px;background:rgba(250,250,247,.86);backdrop-filter:blur(6px)}
.ov-card{width:100%;max-width:560px;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px 22px 20px;box-shadow:0 30px 60px -30px rgba(0,0,0,.25);animation:rise .28s var(--ease);max-height:92svh;overflow:auto}
@keyframes rise{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.ov h2{font-family:var(--font-display);font-weight:800;font-size:22px;margin:0 0 6px}
.ov .sub{color:var(--ink-2);margin:6px 0 18px;font-size:15px}
.ov .stats{margin-bottom:14px}
.best{font-size:13px;color:var(--ink-3);margin:0 0 12px}

.choices{display:grid;gap:10px;margin:14px 0 6px}
@media(min-width:620px){.choices{grid-template-columns:repeat(3,1fr)}}
.choice{text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:14px;display:grid;grid-template-columns:44px 1fr;gap:12px;align-items:start;transition:transform .12s var(--ease),border-color .12s,box-shadow .12s;position:relative;animation:rise .3s var(--ease) both}
.choice:nth-child(2){animation-delay:.05s}.choice:nth-child(3){animation-delay:.1s}
.choice:hover{transform:translateY(-2px);border-color:var(--ink);box-shadow:0 12px 30px -18px rgba(0,0,0,.35)}
.choice:active{transform:scale(.98)}
.choice .ic{width:44px;height:44px;border-radius:12px;background:var(--bg);display:grid;place-items:center}
.choice .ic svg{width:28px;height:28px}
.choice b{display:block;font-size:15px;margin-bottom:2px}
.choice b small{font-family:var(--font-num);font-weight:700;color:var(--ink-3);margin-left:6px;font-size:11px}
.choice p{margin:0;font-size:13px;color:var(--ink-2);line-height:1.4}
.choice .tag{position:absolute;right:10px;top:10px;font-size:10px;letter-spacing:.08em;font-weight:800;padding:3px 7px;border-radius:99px;background:var(--bg);color:var(--ink-3)}
.choice.new .tag{background:var(--ink);color:#fff}
.choice.evo{border-color:var(--acc);background:linear-gradient(180deg,#fff,var(--acc-soft))}
.choice.evo .tag{background:var(--acc);color:#fff}
.reroll{font-size:13px;color:var(--ink-3);text-align:center;margin:8px 0 0}
.reroll button{color:var(--ink-2);text-decoration:underline;font-weight:700}
.reroll button:disabled{opacity:.4;text-decoration:none;cursor:default}

.shop{display:grid;gap:8px}
.shop-item{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px 14px}
.shop-item b{font-size:15px}
.shop-item p{margin:3px 0 0;font-size:12.5px;color:var(--ink-2)}
.pips{display:inline-flex;gap:3px;margin-left:8px;vertical-align:middle}
.pips i{width:8px;height:8px;border-radius:2px;background:var(--line)}
.pips i.on{background:var(--acc)}
.buy{background:var(--ink);color:#fff;border-radius:10px;padding:10px 14px;font-family:var(--font-num);font-weight:700;font-size:13px;white-space:nowrap}
.buy:disabled{background:var(--line);color:var(--ink-3);cursor:default}

.build{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px}
.build span{display:inline-flex;align-items:center;gap:6px;background:var(--bg);border-radius:99px;padding:5px 10px 5px 6px;font-size:12px;font-weight:700}
.build span svg{width:16px;height:16px}
.build span.evo{background:var(--acc-soft);color:var(--acc)}

.toast{position:fixed;left:50%;bottom:calc(var(--tabh) + 16px);transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:99px;font-size:14px;z-index:60}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(max-width:480px){.hud-time{font-size:22px}.hud-weapons{top:70px}.ov-card{padding:18px 16px}}
@media(min-height:900px){.pane-in{padding-top:max(28px,env(safe-area-inset-top))}}