/* 星际拓荒者 · 游玩页首页。游戏 iframe 铺满整个窗口；首页是盖在上面的一层，开局后淡出。 */
html,body{height:100%}
body{margin:0;overflow:hidden;background:#000}
#game{position:fixed;left:0;top:0;width:100vw;height:100vh;height:100dvh;border:0;display:block;background:#000}

/* ---------- 首页层 ---------- */
.home{position:fixed;inset:0;z-index:10;overflow:auto;color:var(--txt-mid);isolation:isolate;
  display:grid;grid-template-columns:minmax(230px,280px) minmax(0,440px) minmax(230px,280px);grid-template-rows:auto minmax(0,1fr);
  justify-content:space-between;align-items:center;gap:20px 28px;padding:18px 24px 24px;
  transition:opacity 500ms var(--ease-out),visibility 0s linear 500ms}
body.in-game .home{opacity:0;visibility:hidden;pointer-events:none}
.home-video{position:fixed;inset:0;width:100%;height:100%;object-fit:cover;z-index:-3}
.home-shade{position:fixed;inset:0;z-index:-2;background:
  radial-gradient(ellipse 60% 70% at 50% 50%,rgba(5,7,13,.35),rgba(5,7,13,.86) 100%),
  linear-gradient(180deg,rgba(5,7,13,.55),rgba(5,7,13,.2) 30%,rgba(5,7,13,.75))}
.home-sky{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none;mix-blend-mode:screen}

.home-top{grid-column:1 / -1;display:flex;align-items:center;gap:8px;min-width:0}
.home-top .spacer{flex:1}
.chip-link{display:inline-flex;align-items:center;gap:8px;color:var(--txt-hi);text-decoration:none;font-size:13px;padding:7px 13px;border-radius:999px;
  background:rgba(5,9,20,.55);border:1px solid rgba(190,210,255,.16);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);transition:border-color 200ms ease,transform 160ms var(--ease-out)}
.chip-link:active{transform:scale(.97)}
.chip-link.dim{color:var(--txt-mid)}
.chip-link .dot{width:7px;height:7px;border-radius:2px;background:var(--gold);box-shadow:0 0 10px rgba(217,166,72,.9)}
@media (hover:hover) and (pointer:fine){.chip-link:hover{border-color:rgba(233,201,135,.45)}}

/* ---------- 中间菜单卡 ---------- */
.menu-card{grid-column:2;grid-row:2;position:relative;padding:18px 26px 14px;text-align:center;
  background:linear-gradient(170deg,rgba(24,20,48,.9),rgba(8,10,22,.94));border:1px solid rgba(242,164,68,.35);
  box-shadow:0 30px 80px rgba(0,0,0,.6),inset 0 1px 0 rgba(255,255,255,.08);
  animation:cardIn 700ms var(--ease-out) both}
.menu-card::before,.menu-card::after{content:"";position:absolute;width:44px;height:44px;border:2px solid var(--ore);pointer-events:none}
.menu-card::before{top:6px;left:6px;border-right:0;border-bottom:0;clip-path:polygon(0 0,100% 0,0 100%)}
.menu-card::after{bottom:6px;right:6px;border-left:0;border-top:0;clip-path:polygon(100% 0,100% 100%,0 100%)}
@keyframes cardIn{from{opacity:0;transform:translateY(16px) scale(.98)}}
.emblem{position:relative;width:64px;height:64px;margin:0 auto 2px}
.emblem .ball{position:absolute;inset:11px;border-radius:50%;background:radial-gradient(circle at 34% 30%,#b59dff,#4b2f9e 58%,#140b35);box-shadow:0 0 30px rgba(141,107,255,.55),inset -8px -6px 14px rgba(5,3,15,.6)}
.emblem .ring{position:absolute;left:-8px;right:-8px;top:25px;height:14px;border-radius:50%;border:2px solid rgba(255,196,120,.95);box-shadow:0 0 10px rgba(242,164,68,.6);transform:rotate(-16deg)}
.emblem .ring.back{clip-path:inset(0 0 50% 0)}
.emblem .ring.front{clip-path:inset(50% 0 0 0)}
.emblem .ship{position:absolute;left:50%;top:50%;width:5px;height:5px;margin:-2.5px;border-radius:50%;background:#ffe7c2;box-shadow:0 0 8px #ffb45a;offset-path:ellipse(40px 8px at 50% 50%);offset-rotate:0deg;animation:orbit 3.4s linear infinite;transform:rotate(-16deg)}
@supports not (offset-path:ellipse(1px 1px)){.emblem .ship{display:none}}
@keyframes orbit{from{offset-distance:0%}to{offset-distance:100%}}
.menu-card h1{font-size:clamp(30px,3.4vw,40px);letter-spacing:.14em;margin:0;
  background:linear-gradient(180deg,#fff,#dfe6ff 60%,#b9a6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.menu-card .latin{font-family:var(--mono);font-size:11px;letter-spacing:.5em;color:var(--ore);margin:6px 0 4px}
.menu-card .tagline{margin:0;font-size:14px;color:var(--txt-mid)}
.rule{display:flex;justify-content:center;margin:10px 0 12px}
.rule i{position:relative;width:70%;height:1px;background:linear-gradient(90deg,transparent,rgba(242,164,68,.7),transparent)}
.rule i::after{content:"";position:absolute;left:50%;top:-4px;width:8px;height:8px;margin-left:-4px;background:var(--ore);transform:rotate(45deg);box-shadow:0 0 10px rgba(242,164,68,.9)}

/* 视图切换：新视图从右滑入，返回从左滑入（方向和操作一致） */
.views{position:relative}
.view{display:none;gap:7px}
.view.on{display:grid;animation:viewIn 260ms var(--ease-out)}
.views.back .view.on{animation-name:viewBack}
@keyframes viewIn{from{opacity:0;transform:translateX(24px)}}
@keyframes viewBack{from{opacity:0;transform:translateX(-24px)}}
.view h2{font-size:18px;margin:0 0 2px}
.view .note{margin:0 0 4px;font-size:13.5px;line-height:1.6;color:var(--txt-mid);text-align:left}
.view .note.small{font-size:12px;color:var(--txt-low)}
.mbtn{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:8px 14px;font:inherit;color:var(--txt-hi);text-decoration:none;cursor:pointer;
  background:linear-gradient(90deg,rgba(40,34,72,.72),rgba(18,20,40,.72));border:1px solid rgba(190,170,255,.18);--cut:10px;
  transition:transform 160ms var(--ease-out),border-color 200ms ease,background-color 200ms ease,filter 200ms ease}
.mbtn:active{transform:scale(.97)}
.mbtn .ic{width:30px;height:30px;flex:none;display:grid;place-items:center;font-size:15px;color:var(--ore);border:1px solid rgba(242,164,68,.4);background:rgba(242,164,68,.08)}
.mbtn .txt{display:grid;gap:1px;min-width:0}
.mbtn b{font-size:16px;font-weight:700;letter-spacing:.06em}
.mbtn small{font-size:12px;color:var(--txt-low);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mbtn.primary{background:linear-gradient(100deg,rgba(255,176,86,.95),rgba(242,140,52,.95) 60%,rgba(255,110,40,.95));color:#1a0c02;border-color:rgba(255,220,170,.6);box-shadow:0 10px 30px rgba(255,122,46,.3)}
.mbtn.primary .ic{color:#1a0c02;border-color:rgba(26,12,2,.35);background:rgba(255,255,255,.18)}
.mbtn.primary small{color:rgba(26,12,2,.72)}
.mbtn[disabled]{opacity:.45;cursor:not-allowed;transform:none}
.mbtn.busy .ic{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@media (hover:hover) and (pointer:fine){
  .mbtn:not(.primary):not([disabled]):hover{border-color:rgba(242,164,68,.55);background-color:rgba(242,164,68,.06);filter:brightness(1.08)}
  .mbtn.primary:not([disabled]):hover{filter:brightness(1.06)}
}
.view .back{justify-self:start;background:none;border:0;color:var(--txt-mid);font:600 13px var(--sans);cursor:pointer;padding:6px 2px}
.view .back:hover{color:var(--txt-hi)}

.slots{display:grid;gap:8px}
.slot{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:7px 12px;text-align:left;background:rgba(10,14,28,.7);border:1px solid rgba(190,210,255,.12)}
.slot .k{font-family:var(--mono);font-size:11px;color:var(--ore);letter-spacing:.12em;width:44px}
.slot b{display:block;color:var(--txt-hi);font-size:13.5px}
.slot small{display:block;color:var(--txt-low);font-size:12px}
.slot button{font:700 12px var(--sans);color:#1a0c02;background:var(--ore);border:0;padding:7px 12px;cursor:pointer;white-space:nowrap;transition:transform 160ms var(--ease-out)}
.slot button:active{transform:scale(.96)}
.slot button.ghost{color:var(--txt-hi);background:rgba(190,210,255,.1);border:1px solid rgba(190,210,255,.2)}
.slot button[disabled]{opacity:.4;cursor:not-allowed}

.toggle{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:9px 14px;background:rgba(10,14,28,.7);border:1px solid rgba(190,210,255,.12);cursor:pointer;color:var(--txt-hi);font-size:14px;text-align:left}
.toggle input{position:absolute;opacity:0;pointer-events:none}
.toggle i{position:relative;width:40px;height:22px;flex:none;border-radius:999px;background:rgba(190,210,255,.18);transition:background-color 200ms ease}
.toggle i::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform 200ms var(--ease-out)}
.toggle input:checked+i{background:var(--ore)}
.toggle input:checked+i::after{transform:translateX(18px)}
.toggle input:focus-visible+i{outline:2px solid var(--gold-soft);outline-offset:2px}
.toggle select{font:inherit;color:var(--txt-hi);background:#152034;border:1px solid rgba(190,210,255,.25);border-radius:5px;padding:5px 10px;cursor:pointer}
.toggle select:focus-visible{outline:2px solid var(--gold-soft);outline-offset:2px}

.boot-line{display:grid;grid-template-columns:1fr auto;gap:5px 10px;margin-top:12px;font-size:12px;color:var(--txt-low);text-align:left;font-variant-numeric:tabular-nums}
.boot-line .bar{grid-column:1 / -1;height:3px;background:rgba(190,210,255,.1);overflow:hidden}
.boot-line .bar i{display:block;height:100%;background:linear-gradient(90deg,#ffd08a,var(--ore),var(--ore-hot));transform-origin:left;transform:scaleX(0);transition:transform 300ms var(--ease-out);box-shadow:0 0 10px rgba(255,122,46,.7)}
.boot-line.ready{color:#9fe0a8}
.boot-line.err{color:#ff9f8a}

/* ---------- 两侧面板 ---------- */
.side{grid-row:2;align-self:center;padding:18px 18px 16px;background:linear-gradient(170deg,rgba(18,26,48,.82),rgba(6,9,20,.88));
  border:1px solid rgba(190,210,255,.14);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 20px 60px rgba(0,0,0,.45);
  animation:sideIn 700ms var(--ease-out) both 120ms;max-height:calc(100vh - 110px);overflow:auto}
.side.left{grid-column:1}
.side.right{grid-column:3;animation-name:sideInR}
@keyframes sideIn{from{opacity:0;transform:translateX(-16px)}}
@keyframes sideInR{from{opacity:0;transform:translateX(16px)}}
.side-k{margin:0 0 12px;font-family:var(--mono);font-size:10.5px;letter-spacing:.24em;color:var(--ore);text-transform:uppercase}
.avatar{width:44px;height:44px;flex:none;border-radius:14px;background:#1d2440 center/cover no-repeat;border:1px solid rgba(218,241,251,.3);display:grid;place-items:center;color:var(--txt-hi);font-weight:700}
.avatar.sprite{background-image:url("/assets/observer-avatars.webp");background-size:400% 200%}
.me-head{display:flex;align-items:center;gap:12px}
.me-head b{display:block;color:var(--txt-hi);font-size:15px;word-break:break-all}
.me-head small{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--txt-low)}
.me-head small::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--txt-low)}
.me-head small.on{color:#9fe0a8}
.me-head small.on::before{background:#7ee0a0;box-shadow:0 0 8px #7ee0a0}
.clock{position:relative;width:150px;height:150px;margin:14px auto 10px;display:grid;place-items:center;text-align:center}
.clock svg{position:absolute;inset:0;transform:rotate(-90deg)}
.clock circle{fill:none;stroke-width:3}
.clock .track{stroke:rgba(190,210,255,.1)}
.clock .sweep{stroke:var(--ore);stroke-linecap:round;stroke-dasharray:326.7;stroke-dashoffset:326.7;filter:drop-shadow(0 0 4px rgba(242,164,68,.8));transition:stroke-dashoffset 900ms linear}
.clock b{display:block;font-family:var(--mono);font-size:22px;color:var(--txt-hi);letter-spacing:.04em;font-variant-numeric:tabular-nums}
.clock small{font-size:11px;color:var(--txt-low)}
.stats{display:grid;gap:6px;margin:0}
.stats div{display:flex;justify-content:space-between;gap:8px;font-size:13px}
.stats dt{color:var(--txt-low)}
.stats dd{margin:0;color:var(--txt-hi);font-weight:600;text-align:right}
.rank-bar{height:4px;background:rgba(190,210,255,.1);margin:10px 0 6px;overflow:hidden}
.rank-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan),var(--ore));transition:width 800ms var(--ease-out)}
.rank-next{margin:0;font-size:11.5px;color:var(--txt-low)}
.cloud-row{display:flex;align-items:center;gap:8px;margin-top:12px;padding:9px 11px;font-size:12.5px;background:rgba(5,9,20,.55);border:1px solid rgba(190,210,255,.1)}
.cloud-row .led{width:7px;height:7px;border-radius:50%;flex:none;background:var(--txt-low)}
.cloud-row.ok .led{background:#7ee0a0;box-shadow:0 0 8px #7ee0a0}
.cloud-row.warn .led{background:#ffb45a;box-shadow:0 0 8px #ffb45a}
.cloud-row.warn{color:#ffd5a0}
.side-cta{width:100%;justify-content:center;margin-top:12px;padding:11px}

.side-h{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:4px 0 8px;font-size:13px}
.side-h b{color:var(--txt-hi)}
.side-h .more{font-size:12px;color:var(--gold-soft);text-decoration:none}
.online-count{font-size:11.5px;color:#9fe0a8}
.friends,.posts{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:6px}
.friends li{display:flex;align-items:center;gap:10px;padding:7px 8px;background:rgba(5,9,20,.45);border:1px solid rgba(190,210,255,.08)}
.friends .avatar{width:32px;height:32px;border-radius:10px}
.friends b{display:block;font-size:13px;color:var(--txt-hi)}
.friends small{display:flex;align-items:center;gap:5px;font-size:11.5px;color:var(--txt-low)}
.friends small::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.8}
.friends .st{color:#9fe0a8}
.friends .po{color:#8fb8ff}
.friends .empty,.posts .empty{justify-content:center;font-size:12.5px;color:var(--txt-low);padding:14px 8px;text-align:center;background:rgba(5,9,20,.35);border:1px dashed rgba(190,210,255,.12)}
.posts li a{display:block;padding:8px 10px;text-decoration:none;background:rgba(5,9,20,.45);border:1px solid rgba(190,210,255,.08);transition:border-color 200ms ease}
.posts li a:hover{border-color:rgba(233,201,135,.35)}
.posts b{display:block;font-size:13px;color:var(--txt-hi);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.posts small{font-size:11.5px;color:var(--txt-low)}

/* ---------- 反馈 ---------- */
.feedback{position:fixed;right:22px;bottom:20px;z-index:3;display:grid;justify-items:end;gap:8px}
.fb-pill{display:flex;align-items:center;gap:12px;padding:10px 16px 10px 12px;font:inherit;text-align:left;cursor:pointer;color:var(--txt-hi);
  background:linear-gradient(170deg,rgba(18,26,48,.9),rgba(6,9,20,.92));border:1px solid rgba(190,210,255,.18);--cut:10px;transition:transform 160ms var(--ease-out),border-color 200ms ease}
.fb-pill:active{transform:scale(.97)}
.fb-pill .ic{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;border:1px solid rgba(242,164,68,.5);color:var(--ore)}
.fb-pill small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--ore)}
.fb-pill b{font-size:13.5px}
@media (hover:hover) and (pointer:fine){.fb-pill:hover{border-color:rgba(242,164,68,.5)}}
.fb-card{width:min(340px,calc(100vw - 32px));padding:16px;display:grid;gap:10px;background:linear-gradient(170deg,rgba(18,30,52,.97),rgba(6,9,20,.98));
  border:1px solid rgba(233,201,135,.3);box-shadow:0 20px 60px rgba(0,0,0,.6);transform-origin:bottom right;animation:fbIn 220ms var(--ease-out)}
@keyframes fbIn{from{opacity:0;transform:scale(.96) translateY(6px)}}
.fb-head{display:flex;justify-content:space-between;align-items:center;color:var(--txt-hi)}
.fb-head .x{background:none;border:0;color:var(--txt-mid);font-size:20px;cursor:pointer;line-height:1}
.fb-cats{display:flex;gap:6px;flex-wrap:wrap}
.fb-cats label{cursor:pointer}
.fb-cats input{position:absolute;opacity:0}
.fb-cats span{display:inline-block;font-size:12.5px;padding:5px 11px;border:1px solid rgba(190,210,255,.2);color:var(--txt-mid);transition:background-color 150ms ease}
.fb-cats input:checked+span{background:rgba(242,164,68,.18);border-color:var(--ore);color:var(--txt-hi)}
.fb-cats input:focus-visible+span{outline:2px solid var(--gold-soft)}
.fb-card textarea{font:14px/1.5 var(--sans);color:var(--txt-hi);background:rgba(5,9,20,.7);border:1px solid rgba(190,210,255,.2);padding:9px 10px;resize:vertical;outline:none}
.fb-card textarea:focus{border-color:var(--ore)}
.fb-status{margin:0;min-height:18px;font-size:12.5px;color:#ff9f8a}
.fb-status.ok{color:#9fe0a8}
.fb-card .btn{justify-content:center;padding:11px}

/* ---------- 游戏中停靠栏 ---------- */
.dock{position:fixed;left:0;top:50%;z-index:20;transform:translate(calc(-100% + 8px),-50%);display:grid;gap:4px;padding:8px 8px 8px 6px;
  background:rgba(8,11,22,.9);border:1px solid rgba(242,164,68,.35);border-left:0;border-radius:0 12px 12px 0;box-shadow:0 10px 30px rgba(0,0,0,.5);
  transition:transform 260ms var(--ease-out)}
.dock::after{content:"";position:absolute;right:2px;top:50%;width:3px;height:36px;margin-top:-18px;border-radius:2px;background:var(--ore);opacity:.8}
.dock:hover,.dock:focus-within,.dock.peek{transform:translate(0,-50%)}
.dock button,.dock .dock-cloud{display:flex;align-items:center;gap:8px;min-width:0;font:600 12px var(--sans);color:var(--txt-hi);background:transparent;border:0;border-radius:8px;padding:7px 10px;cursor:pointer;white-space:nowrap}
.dock button:hover{background:rgba(242,164,68,.14)}
.dock button:active{transform:scale(.96)}
.dock em{font-style:normal;max-width:90px;overflow:hidden;text-overflow:ellipsis}
.dock .led{width:7px;height:7px;border-radius:50%;background:var(--txt-low)}
.dock .in .led,.dock button.in .led{background:#7ee0a0;box-shadow:0 0 8px #7ee0a0}
.dock .dock-cloud{cursor:default;color:var(--txt-low);font-size:13px}
.dock .dock-cloud.ok{color:#9fe0a8}
.dock .dock-cloud.warn{color:#ffb45a}
.leaving{position:fixed;inset:0;z-index:30;display:grid;place-items:center;background:rgba(3,5,10,.7);color:var(--txt-hi);font-size:15px;animation:fadeIn 200ms var(--ease-out)}

/* ---------- 窄屏：面板排到菜单下面，首页可以滚动 ---------- */
@media (max-width:1080px){
  .home{display:flex;flex-direction:column;align-items:stretch;gap:16px;padding:14px 16px 90px}
  .home>*{width:100%;max-width:440px;margin-inline:auto;flex-shrink:0}
  .home>.home-top{max-width:none}
  .side{max-height:none}
  .home-top .chip-link.dim{display:none}
}
@media (max-width:520px){
  .menu-card{padding:20px 16px 14px}
  .feedback{right:12px;bottom:12px}
  .fb-pill small{display:none}
}
@media (prefers-reduced-motion:reduce){
  .menu-card,.side,.fb-card{animation:fadeIn 200ms ease both}
  .view.on,.views.back .view.on{animation:fadeIn 200ms ease}
  .emblem .ship{animation:none}
}


/* 介绍页的 section / footer 通用样式不适用于菜单 */
.menu-card section.view{padding:0}
.menu-card footer.boot-line{padding:0;border:0}
/* 好友的进度摘要：时代、在研科技、在建奇观 */
.friends li>div{min-width:0}
.friends .rk{font-style:normal;font-weight:600;font-size:10.5px;color:var(--ore);margin-left:4px}
.friends .era{display:block;font-size:11.5px;color:var(--txt-hi);margin-top:2px}
.friends .doing{display:block;font-size:11px;color:var(--txt-low);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.channel-note{color:#8ce5df;font:600 12px var(--sans);text-align:center;margin:8px 0}.release-notice{border:1px solid #4d8a94;background:#101e2b;padding:10px;border-radius:10px;margin:10px 0;font-size:12px}.release-notice a{color:#9ce8df}.release-notice button{float:right;background:none;border:0;color:#adc3d0;cursor:pointer}
.release-notice p{display:none}.release-notice b{display:block;margin-bottom:5px}
.menu-card{max-height:calc(100dvh - 115px);overflow-y:auto;box-sizing:border-box}
[data-channel="beta"] .menu-card .emblem{display:none}
@media(max-width:700px){.home-top{flex-wrap:wrap}.menu-card{max-height:none}.home{align-items:start}}