:root{
  --bg:#0b1020; --bg2:#121a30; --card:#16203a; --card2:#1c2848;
  --line:#26324f; --text:#eaf0ff; --muted:#93a0c2; --accent:#4f8cff;
  --accent2:#38d39f; --danger:#ff6b6b; --radius:16px;
  --safe-top:env(safe-area-inset-top); --safe-bot:env(safe-area-inset-bottom);
  color-scheme: dark;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{
  background:var(--bg);color:var(--text);
  font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  overscroll-behavior:none;
}
button{font:inherit;cursor:pointer;border:0;color:inherit}
input{font:inherit}
[hidden]{display:none!important}
.muted{color:var(--muted)}
.small{font-size:13px}
.err{color:var(--danger);font-size:14px}
.screen{min-height:100%}

/* ---------- Join ---------- */
.join{display:flex;align-items:center;justify-content:center;padding:24px}
.join-card{width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);
  border-radius:20px;padding:22px;box-shadow:0 20px 50px rgba(0,0,0,.4)}
.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800}
.brand-mark{font-size:26px}
.join-card label{display:block;margin:16px 0 0;font-size:14px;color:var(--muted)}
.join-card input{width:100%;margin-top:6px;padding:13px 14px;background:var(--bg2);
  border:1px solid var(--line);border-radius:12px;color:var(--text);outline:none}
.join-card input:focus{border-color:var(--accent)}
.color-row{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap}
.swatch{width:34px;height:34px;border-radius:50%;border:3px solid transparent;cursor:pointer}
.swatch.sel{border-color:#fff}
.primary{width:100%;margin-top:18px;padding:14px;background:linear-gradient(180deg,var(--accent),#3b78ee);
  border-radius:12px;font-weight:700;color:#fff}
.primary.sm{width:auto;margin-top:10px;padding:10px 16px}
.ghost{background:transparent;border:1px solid var(--line);border-radius:10px;padding:9px 14px;color:var(--muted)}
.ghost.sm{margin-top:6px}

/* ---------- App shell ---------- */
.app{display:flex;flex-direction:column;height:100dvh}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:calc(var(--safe-top) + 12px) 16px 12px;background:var(--bg2);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:5}
.title{font-weight:800;font-size:18px}
.presence{display:flex;align-items:center;gap:-6px}
.dot{width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:#0b1020;margin-left:-6px;border:2px solid var(--bg2)}

.tab{display:none;flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.tab.active{display:flex;flex-direction:column}
.pad{padding:16px;padding-bottom:90px}
.section-h{margin:18px 4px 8px;color:var(--muted);font-size:14px;text-transform:uppercase;letter-spacing:.04em}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:12px}
.card h3{margin:0 0 10px;font-size:15px}
.card input{width:100%;margin-bottom:8px;padding:11px 12px;background:var(--bg2);border:1px solid var(--line);
  border-radius:10px;color:var(--text);outline:none}
.card input:focus{border-color:var(--accent)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:8px}

/* ---------- Chat ---------- */
.messages{flex:1;overflow-y:auto;padding:14px 12px 6px;display:flex;flex-direction:column;gap:8px}
.msg{max-width:82%;padding:9px 12px;border-radius:14px;background:var(--card);border:1px solid var(--line);
  align-self:flex-start;word-wrap:break-word;overflow-wrap:anywhere}
.msg .who{font-size:12px;font-weight:700;margin-bottom:2px}
.msg .time{font-size:11px;color:var(--muted);margin-left:8px;font-weight:400}
.msg.mine{align-self:flex-end;background:#243a66;border-color:#2f4c88}
.msg.img{padding:6px}
.msg img{max-width:100%;border-radius:10px;display:block}
.msg .cap{padding:6px 4px 2px;font-size:14px}
.sysline{align-self:center;color:var(--muted);font-size:12px;margin:6px 0}
.typing{min-height:18px;padding:0 16px 2px;color:var(--muted);font-size:12px;font-style:italic}
.composer{display:flex;align-items:center;gap:8px;padding:10px 12px calc(var(--safe-bot) + 10px);
  background:var(--bg2);border-top:1px solid var(--line)}
.composer input[type=text],#msgInput{flex:1;padding:12px 14px;background:var(--card);border:1px solid var(--line);
  border-radius:22px;color:var(--text);outline:none}
#msgInput:focus{border-color:var(--accent)}
.icon-btn{width:44px;height:44px;border-radius:50%;background:var(--card);border:1px solid var(--line);
  font-size:18px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.icon-btn.send{background:linear-gradient(180deg,var(--accent),#3b78ee);border:0;color:#fff}

/* ---------- Crew / status ---------- */
.status-form{display:flex;flex-direction:column;gap:8px}
.crew-list{display:flex;flex-direction:column;gap:10px}
.crew-item{display:flex;gap:12px;align-items:flex-start;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:12px}
.avatar{width:40px;height:40px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#0b1020}
.crew-item .nm{font-weight:700}
.crew-item .st{color:var(--muted);font-size:14px;margin-top:2px}
.badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px;background:var(--card2);
  color:var(--muted);margin-left:6px}
.badge.on{background:rgba(56,211,159,.15);color:var(--accent2)}

/* ---------- Plans ---------- */
.plans-list{display:flex;flex-direction:column;gap:10px}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px;
  display:flex;gap:10px;align-items:flex-start}
.plan .chk{width:26px;height:26px;border-radius:8px;border:2px solid var(--line);background:var(--bg2);
  flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-size:15px}
.plan.done .chk{background:var(--accent2);border-color:var(--accent2);color:#06301f}
.plan.done .p-title{text-decoration:line-through;color:var(--muted)}
.p-title{font-weight:700}
.p-meta{color:var(--muted);font-size:13px;margin-top:3px}
.p-del{margin-left:auto;color:var(--muted);background:transparent;font-size:18px;padding:2px 6px}

/* ---------- Polls ---------- */
.polls-list{display:flex;flex-direction:column;gap:12px}
.poll{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.poll .q{font-weight:700;margin-bottom:10px}
.opt{position:relative;border:1px solid var(--line);border-radius:12px;padding:11px 12px;margin-bottom:8px;
  overflow:hidden;background:var(--bg2)}
.opt .bar{position:absolute;inset:0 auto 0 0;background:rgba(79,140,255,.22);width:0;transition:width .3s}
.opt .row{position:relative;display:flex;justify-content:space-between;gap:8px}
.opt.voted{border-color:var(--accent)}
.opt .cnt{color:var(--muted);font-size:13px;flex:0 0 auto}
.poll .meta{color:var(--muted);font-size:12px;margin-top:6px;display:flex;justify-content:space-between}
.poll .meta button{background:transparent;color:var(--muted);text-decoration:underline;font-size:12px}
#pollOpts input{width:100%;margin-bottom:8px;padding:10px 12px;background:var(--bg2);border:1px solid var(--line);
  border-radius:10px;color:var(--text);outline:none}

/* ---------- nav ---------- */
.nav{display:flex;background:var(--bg2);border-top:1px solid var(--line);
  padding-bottom:var(--safe-bot);position:sticky;bottom:0;z-index:5}
.nav-btn{flex:1;padding:10px 0 8px;background:transparent;color:var(--muted);font-size:11px;
  display:flex;flex-direction:column;align-items:center;gap:3px}
.nav-btn span{font-size:20px;filter:grayscale(.4) opacity(.8)}
.nav-btn.active{color:var(--accent)}
.nav-btn.active span{filter:none}
.nav-btn .badge-dot{position:absolute;transform:translate(12px,-4px);width:8px;height:8px;border-radius:50%;background:var(--danger)}

/* lightbox */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);display:flex;align-items:center;justify-content:center;
  z-index:50;padding:16px}
.lightbox img{max-width:100%;max-height:100%;border-radius:10px}