/* ══════════════════════════════════════════════
   LAN·DROP — 视觉层
   深色极简工具风：单强调色、1px 描边、等宽数据
   ══════════════════════════════════════════════ */

:root{
  --bg:#08080a;
  --surface:#0e0e11;
  --surface-2:#141418;
  --surface-3:#1a1a20;
  --line:#22222a;
  --line-2:#2e2e38;
  --txt:#e9e9ed;
  --txt-2:#8a8a95;
  --txt-3:#52525c;
  --acc:#12e29a;
  --acc-soft:rgba(18,226,154,.10);
  --warn:#ffb020;
  --err:#ff5d5d;
  --mono:ui-monospace,"SF Mono","JetBrains Mono",Menlo,Consolas,"Courier New",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--txt);font-family:var(--sans);
  font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased;
  min-height:100vh;display:flex;flex-direction:column;
  background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.026) 1px,transparent 0);
  background-size:22px 22px;
}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;cursor:pointer}
button:disabled{opacity:.4;cursor:not-allowed}
input{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;outline:none}
[hidden]{display:none !important}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.app{max-width:1020px;margin:0 auto;padding:0 26px 90px;width:100%;display:flex;flex-direction:column;flex:1 0 auto}

/* ─────────────── top bar ─────────────── */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;border-bottom:1px solid var(--line);
  margin:0 -26px;padding:0 26px;
}
.brand{display:flex;align-items:center;gap:11px}
.mark{
  width:26px;height:26px;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--acc);
}
.brand-name{font-family:var(--mono);font-size:12.5px;letter-spacing:.18em;font-weight:600}
.brand-sub{
  font-family:var(--mono);font-size:10px;letter-spacing:.13em;color:var(--txt-3);
  padding-left:11px;border-left:1px solid var(--line);text-transform:uppercase;
}
.conn{
  display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;
  color:var(--txt-2);text-transform:uppercase;
  border:1px solid var(--line);padding:6px 11px;white-space:nowrap;
}
.pulse{width:5px;height:5px;background:var(--txt-3);flex:none}
.pulse.big{width:8px;height:8px}
body[data-state="app"] .conn .pulse{background:var(--acc);animation:pl2 2.2s infinite}
body[data-state="app"] .conn{color:var(--acc);border-color:rgba(18,226,154,.30)}
@keyframes pl{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes pl2{
  0%{box-shadow:0 0 0 0 rgba(18,226,154,.55)}
  70%{box-shadow:0 0 0 7px rgba(18,226,154,0)}
  100%{box-shadow:0 0 0 0 rgba(18,226,154,0)}
}

/* ─────────────── views ─────────────── */
.view{display:none;padding-top:52px}
.view.on{display:block;flex:1;animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ─────────────── hero ─────────────── */
.hero{max-width:660px}
h1{font-size:clamp(26px,4vw,38px);line-height:1.3;font-weight:400;letter-spacing:.005em}
h1 .dim{color:#6d6d78}
.hero-p{margin-top:18px;color:var(--txt-2);font-size:13.5px;max-width:540px;line-height:1.75}

/* ─────────────── entry ─────────────── */
.entry-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:44px}
.entry{background:var(--surface);padding:26px 24px}
.entry.primary{background:var(--surface-2)}
.entry-h{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--txt-2);margin-bottom:10px;display:flex;align-items:center;gap:8px;
}
.entry.primary .entry-h{color:var(--acc)}
.entry p{color:var(--txt-3);font-size:12.5px;margin-bottom:22px;line-height:1.65}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:40px;padding:0 18px;font-size:12.5px;font-weight:500;
  font-family:var(--mono);letter-spacing:.07em;transition:.16s;width:100%;
}
.btn-solid{background:var(--acc);color:#04140d}
.btn-solid:hover:not(:disabled){background:#0fce8c}
.btn-line{border:1px solid var(--line-2);color:var(--txt)}
.btn-line:hover:not(:disabled){border-color:var(--acc);color:var(--acc)}
.kbd{font-size:10px;opacity:.55;border:1px solid currentColor;padding:0 4px;line-height:14px}
.field{
  display:flex;align-items:center;height:40px;border:1px solid var(--line-2);
  padding:0 13px;margin-bottom:12px;transition:.16s;background:var(--bg);
}
.field:focus-within{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-soft)}
.field input{width:100%;font-family:var(--mono);font-size:14px;letter-spacing:.4em}
.field input::placeholder{letter-spacing:.04em;color:var(--txt-3);font-size:12.5px;font-family:var(--sans)}

/* ─────────────── facts ─────────────── */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-top:none}
.fact{background:var(--surface);padding:16px 18px}
.fact-k{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--acc);text-transform:uppercase;margin-bottom:5px}
.fact-v{display:block;font-size:12px;color:var(--txt-3)}

/* ─────────────── section head ─────────────── */
.sect-head{display:flex;align-items:center;gap:12px;margin:0 0 18px}
.sect-idx{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:var(--txt-3)}
.sect-name{font-family:var(--mono);font-size:10.5px;letter-spacing:.17em;text-transform:uppercase;color:var(--txt-2)}
.sect-line{flex:1;height:1px;background:var(--line)}
.sect-meta{font-family:var(--mono);font-size:9.5px;letter-spacing:.13em;color:var(--txt-3);text-transform:uppercase}

/* ─────────────── room ─────────────── */
.room-card{
  display:grid;grid-template-columns:1fr 188px;gap:30px;align-items:center;
  border:1px solid var(--line);background:var(--surface);padding:34px 32px;
}
.room-card.single{grid-template-columns:1fr auto}
.lbl{font-family:var(--mono);font-size:10px;letter-spacing:.19em;color:var(--txt-3);text-transform:uppercase;margin-bottom:14px}
.code{
  font-family:var(--mono);font-size:clamp(30px,6.4vw,48px);font-weight:500;
  letter-spacing:.16em;line-height:1;color:var(--txt);
  font-variant-numeric:tabular-nums;
}
.code i{color:#5c5c68;font-style:normal;padding:0 .06em}
.room-hint{margin-top:16px;font-size:12.5px;color:var(--txt-3);line-height:1.7;max-width:360px;word-break:break-all}
.room-hint b{color:var(--acc);font-weight:500;font-family:var(--mono);font-size:12px}
.room-actions{display:flex;gap:9px;margin-top:22px;flex-wrap:wrap}
.mini{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--line-2);padding:7px 13px;color:var(--txt-2);transition:.15s;
}
.mini:hover:not(:disabled){border-color:var(--acc);color:var(--acc)}

.addr-card{
  border:1px solid var(--line-2);background:var(--surface-2);padding:18px 16px;
  display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:8px;
  min-height:150px;
}
.addr-lbl{font-family:var(--mono);font-size:9.5px;letter-spacing:.18em;color:var(--txt-3);text-transform:uppercase}
.addr-vals{font-family:var(--mono);display:flex;flex-direction:column;gap:1px;min-width:0;line-height:1.5}
.addr-scheme{color:var(--txt-3);font-size:10px;letter-spacing:.06em}
.addr-host{color:var(--acc);font-size:11.5px;white-space:nowrap}
.addr-btn{margin-top:6px;font-size:9.5px;padding:5px 9px}

.pending-mark{display:flex;flex-direction:column;align-items:center;gap:10px;padding:0 8px}
.pending-t{font-family:var(--mono);font-size:9.5px;letter-spacing:.15em;color:var(--warn);text-transform:uppercase}

.wait-line{
  display:flex;align-items:center;gap:10px;margin-top:1px;
  border:1px solid var(--line);border-top:none;background:var(--surface);
  padding:15px 18px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--txt-2);
}
.wait-line .pulse{background:var(--warn);animation:pl 1.5s infinite}
.wait-t{margin-left:auto;color:var(--txt-3);font-variant-numeric:tabular-nums}

/* ─────────────── incoming request ─────────────── */
.req{
  margin-top:14px;border:1px solid rgba(255,176,32,.38);background:rgba(255,176,32,.045);
  padding:20px 22px;
}
.req-head{display:flex;align-items:baseline;gap:12px;margin-bottom:10px;flex-wrap:wrap}
.req-badge{
  font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  color:#08120c;background:var(--warn);padding:3px 7px;font-weight:600;
}
.req-from{font-family:var(--mono);font-size:13px;color:var(--txt)}
.req-desc{font-size:12.5px;color:var(--txt-2);line-height:1.7;margin-bottom:18px;max-width:520px}
.req-acts{display:flex;gap:9px;max-width:380px}
.req-acts .btn{width:auto;flex:1}

/* ─────────────── peer strip ─────────────── */
.peer-strip{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
  border:1px solid var(--line);background:var(--surface);padding:20px 24px;margin-bottom:34px;
}
.peer{display:flex;flex-direction:column;gap:4px;min-width:0}
.peer.right{align-items:flex-end;text-align:right}
.peer-h{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--txt-3);text-transform:uppercase}
.peer-n{font-family:var(--mono);font-size:13px;letter-spacing:.05em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}
.peer-n em{font-style:normal;color:var(--acc);font-size:10px;letter-spacing:.1em;margin-left:8px}
.link{display:flex;flex-direction:column;align-items:center;gap:7px;min-width:0}
.link-line{
  width:clamp(90px,14vw,170px);height:1px;background:linear-gradient(90deg,transparent,var(--acc),transparent);
  position:relative;
}
.link-line::after{
  content:"";position:absolute;top:-1.5px;left:0;width:26px;height:4px;
  background:var(--acc);filter:blur(2px);animation:flow 2.4s linear infinite;
}
@keyframes flow{0%{left:-10%;opacity:0}20%{opacity:1}80%{opacity:1}100%{left:100%;opacity:0}}
.link-meta{font-family:var(--mono);font-size:9.5px;letter-spacing:.13em;color:var(--acc);text-transform:uppercase;white-space:nowrap}

/* ─────────────── drop ─────────────── */
.drop{
  border:1px dashed var(--line-2);padding:38px 24px;text-align:center;
  background:var(--surface);transition:.18s;cursor:pointer;margin-bottom:14px;
}
.drop:hover,.drop.over{border-color:var(--acc);background:var(--acc-soft)}
.drop-ico{color:var(--txt-3);margin-bottom:12px;transition:.18s}
.drop:hover .drop-ico,.drop.over .drop-ico{color:var(--acc)}
.drop-t{font-size:13px;margin-bottom:5px}
.drop-s{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--txt-3);text-transform:uppercase}

.act-bar{display:flex;gap:9px;margin-bottom:34px;flex-wrap:wrap}
.act-bar .mini{font-size:9.5px;padding:6px 11px}

/* ─────────────── files ─────────────── */
.files{border:1px solid var(--line);background:var(--surface);margin-bottom:34px}
.files:empty{display:none}
.file{display:grid;grid-template-columns:auto 1fr auto;gap:13px;align-items:flex-start;padding:14px 16px;border-bottom:1px solid var(--line)}
.file:last-child{border-bottom:none}
.file:hover{background:var(--surface-2)}
.ico{
  width:32px;height:32px;border:1px solid var(--line-2);display:grid;place-items:center;
  font-family:var(--mono);font-size:8px;letter-spacing:.06em;color:var(--txt-2);flex:none;margin-top:2px;
}
.file-main{min-width:0}
.file-top{display:flex;align-items:baseline;gap:12px;margin-bottom:9px}
.file-name{
  flex:1 1 auto;min-width:0;font-size:12.8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  font-family:var(--mono);letter-spacing:-.01em;
}
.file-size{font-family:var(--mono);font-size:10.5px;color:var(--txt-3);flex:none;font-variant-numeric:tabular-nums;margin-left:auto}
.bar{height:2px;background:#24242f;overflow:hidden}
.bar i{display:block;height:100%;background:var(--acc);transition:width .4s ease}
.bar.done i{background:#4a4a57}
.bar.err i{background:var(--err)}
.file-bot{display:flex;justify-content:space-between;gap:12px;margin-top:8px;font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--txt-3)}
.file-bot .st{flex:none}
.st-run{color:var(--acc)}
.st-done{color:var(--txt-2)}
.st-queue{color:var(--warn)}
.st-err{color:var(--err)}
.file-x{font-family:var(--mono);font-size:14px;color:var(--txt-3);padding:2px 5px;transition:.15s;line-height:1.4}
.file-x:hover{color:var(--err)}
.file-x.save{color:var(--acc);font-size:10px;letter-spacing:.08em;border:1px solid rgba(18,226,154,.4);padding:3px 7px}
.file-x.save:hover{background:var(--acc-soft)}

.empty{
  border:1px solid var(--line);background:var(--surface);padding:26px;text-align:center;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--txt-3);
  text-transform:uppercase;margin-bottom:34px;
}
.empty[hidden]{display:none}

/* ─────────────── log ─────────────── */
.log{
  border:1px solid var(--line);background:#060608;padding:14px 16px;max-height:196px;overflow-y:auto;
  font-family:var(--mono);font-size:10.8px;line-height:1.95;letter-spacing:.01em;
  scrollbar-width:thin;scrollbar-color:#2e2e38 transparent;
  -webkit-mask-image:linear-gradient(to bottom,transparent 0,#000 16px);
  mask-image:linear-gradient(to bottom,transparent 0,#000 16px);
}
.log-row{display:flex;gap:12px;color:var(--txt-3)}
.log-row .t{color:#3d3d46;flex:none}
.log-row .s{flex:none;width:34px;color:var(--txt-2)}
.log-row .s.ok{color:var(--acc)}
.log-row .s.wa{color:var(--warn)}
.log-row .s.er{color:var(--err)}
.log-row .m{color:var(--txt-2);word-break:break-word}

/* ─────────────── toasts ─────────────── */
.toasts{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);display:flex;flex-direction:column;gap:8px;z-index:50;pointer-events:none}
.toast{
  font-family:var(--mono);font-size:11px;letter-spacing:.06em;
  background:var(--surface-3);border:1px solid var(--line-2);color:var(--txt);
  padding:9px 15px;animation:tin .22s ease;
}
.toast.ok{border-color:rgba(18,226,154,.45);color:var(--acc)}
.toast.er{border-color:rgba(255,93,93,.45);color:var(--err)}
@keyframes tin{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* ─────────────── footer ─────────────── */
.foot{
  margin:auto -26px 0;padding:18px 26px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:center;
  font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;color:var(--txt-3);text-transform:uppercase;
}
.foot-link{color:var(--txt-3);text-decoration:none;border-bottom:1px solid var(--line-2);padding-bottom:1px;transition:.15s}
.foot-link:hover{color:var(--acc);border-color:var(--acc)}

/* ═══════════════════ 访问认证 ═══════════════════ */

#v-auth.on{display:flex;align-items:center;justify-content:center;flex:1;padding-top:0}
.auth{width:100%;max-width:420px}
.auth h1{font-size:26px;font-weight:400;line-height:1.32;margin-bottom:12px}
.auth-sub{font-size:12.5px;color:var(--txt-2);line-height:1.75;margin-bottom:26px;max-width:380px}
.auth-row{display:flex;gap:1px;background:var(--line);border:1px solid var(--line)}
.auth-row input{
  flex:1;min-width:0;height:46px;background:var(--bg);padding:0 14px;
  font-family:var(--mono);font-size:14px;letter-spacing:.08em;color:var(--txt);
}
.auth-row input::placeholder{letter-spacing:.02em;font-size:12.5px;color:var(--txt-3);font-family:var(--sans)}
.auth-row input:focus{box-shadow:inset 0 0 0 1px var(--acc)}
.auth-row button{
  height:46px;padding:0 26px;background:var(--acc);color:#04140d;
  font-family:var(--mono);font-size:12px;letter-spacing:.1em;font-weight:600;flex:none;transition:.15s;
}
.auth-row button:hover:not(:disabled){background:#0fce8c}
.auth-row button:disabled{opacity:.45;cursor:not-allowed}
.auth-err{margin-top:12px;font-family:var(--mono);font-size:11px;letter-spacing:.05em;color:var(--err);min-height:18px}
body[data-state="auth"] #btn-logout{display:none}

/* ═══════════════════ 成员列表与右键菜单 ═══════════════════ */

.peer-btn{
  font-family:var(--mono);font-size:12px;letter-spacing:.03em;color:var(--txt);
  border-bottom:1px dashed var(--line-2);padding:0 0 1px;transition:.15s;
}
.peer-btn:hover{color:var(--acc);border-color:var(--acc)}

.pop{
  position:fixed;z-index:60;min-width:250px;max-width:330px;
  background:var(--surface-2);border:1px solid var(--line-2);
  box-shadow:0 14px 38px rgba(0,0,0,.6);
}
.pop-head{
  font-family:var(--mono);font-size:9px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--txt-3);padding:9px 12px;border-bottom:1px solid var(--line);
}
.pop-list{max-height:280px;overflow-y:auto}
.peer-row{
  display:flex;align-items:center;gap:9px;
  padding:9px 12px;border-bottom:1px solid var(--line);cursor:context-menu;
}
.peer-row:last-child{border-bottom:none}
.peer-row:hover{background:var(--surface-3)}
.peer-row.me{opacity:.5;cursor:default}
.pr-nick{
  flex:1;min-width:0;font-family:var(--mono);font-size:11.5px;color:var(--txt);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.peer-row.me .pr-nick{color:var(--acc)}
.pr-plat{font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:var(--txt-3);flex:none;text-transform:uppercase}
.pr-tag{
  font-family:var(--mono);font-size:8px;letter-spacing:.1em;color:var(--acc);
  border:1px solid rgba(18,226,154,.4);padding:1px 4px;flex:none;
}

.ctx{
  position:fixed;z-index:70;min-width:170px;
  background:var(--surface-2);border:1px solid var(--line-2);
  box-shadow:0 14px 38px rgba(0,0,0,.65);padding:4px;
}
.ctx button{
  display:block;width:100%;text-align:left;padding:8px 11px;
  font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--txt);transition:.12s;
}
.ctx button:hover{background:var(--acc-soft);color:var(--acc)}
.ctx button[hidden]{display:none}

/* ═══════════════════ 双栏（传输 + 聊天） ═══════════════════ */

#v-app.on{display:flex;flex-direction:column;min-height:0;padding-top:0}
#v-app .peer-strip{margin:20px 0 0;border-bottom:none;padding:16px 20px;flex:none}

.split{
  display:grid;grid-template-columns:420px 1fr;gap:1px;
  background:var(--line);border:1px solid var(--line);
  flex:1;min-height:0;
}
.col-l{background:var(--bg);padding:18px 20px;display:flex;flex-direction:column;min-height:0;overflow-y:auto}
.col-r{background:var(--surface);display:flex;flex-direction:column;min-height:0}

.col-l .drop{padding:20px 16px;margin-bottom:12px}
.col-l .drop-t{font-size:12.5px}
.col-l .drop-s{font-size:9.5px}
.col-l .sect-head{margin-bottom:11px}
.col-l .sect-head:not(:first-child){margin-top:6px}
.col-l .act-bar{margin-bottom:18px}
.col-l .files{margin-bottom:14px}
.col-l .file{padding:11px 13px;gap:11px}
.col-l .file-name{font-size:11.8px}
.col-l .ico{width:28px;height:28px;font-size:7.5px}
.col-l .file-bot{font-size:9px}
.col-l .empty{margin-bottom:14px;padding:18px}
.col-l .log{flex:1;min-height:110px;max-height:none;font-size:10px}

/* ─────────────── chat ─────────────── */
.chat-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 16px;border-bottom:1px solid var(--line);flex:none;
}
.chat-title{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--txt-2)}
.chat-quota{font-family:var(--mono);font-size:9px;letter-spacing:.1em;color:var(--txt-3)}
.chat-quota b{color:var(--acc);font-weight:500;font-variant-numeric:tabular-nums}

.msgs{
  flex:1;min-height:0;overflow-y:auto;padding:16px;
  display:flex;flex-direction:column;gap:14px;
  scrollbar-width:thin;scrollbar-color:#2e2e38 transparent;
}
.msgs:empty::after{
  content:"暂无消息";margin:auto;font-family:var(--mono);font-size:10px;
  letter-spacing:.14em;color:var(--txt-3);text-transform:uppercase;
}
.msg{display:flex;flex-direction:column;gap:5px;max-width:88%}
.msg.me{align-self:flex-end;align-items:flex-end}
.msg .meta{font-family:var(--mono);font-size:8.5px;letter-spacing:.09em;color:var(--txt-3);text-transform:uppercase}
.bubble{
  background:var(--surface-2);border-left:2px solid var(--line-2);
  padding:8px 11px;font-size:12.6px;line-height:1.62;word-break:break-word;white-space:pre-wrap;
}
.msg.me .bubble{background:var(--acc-soft);border-left:none;border-right:2px solid var(--acc)}

.shot{border:1px solid var(--line-2);padding:3px;background:var(--surface-2);max-width:240px;width:fit-content;cursor:zoom-in}
.shot img{display:block;max-width:100%;max-height:240px;width:auto;height:auto}
.shot-cap{font-family:var(--mono);font-size:8.5px;color:var(--txt-3);margin-top:5px;letter-spacing:.07em}

.chat-in{
  border-top:1px solid var(--line);padding:11px 14px;
  display:flex;gap:8px;align-items:center;flex:none;
}
.ibtn{
  width:34px;height:34px;border:1px solid var(--line-2);display:grid;place-items:center;
  color:var(--txt-2);flex:none;transition:.15s;
}
.ibtn:hover{border-color:var(--acc);color:var(--acc)}
.cfield{
  flex:1;min-width:0;height:34px;border:1px solid var(--line-2);background:var(--bg);
  padding:0 11px;font-size:12.5px;color:var(--txt);transition:.15s;
}
.cfield::placeholder{color:var(--txt-3)}
.cfield:focus{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc-soft)}
.send{
  height:34px;padding:0 16px;background:var(--acc);color:#04140d;
  font-family:var(--mono);font-size:11px;letter-spacing:.07em;font-weight:600;flex:none;transition:.15s;
}
.send:hover:not(:disabled){background:#0fce8c}
.send:disabled{opacity:.4;cursor:not-allowed}

/* ═══════════════════ 桌面视口锁定 ═══════════════════
   已连接页需要固定视口高度，让左栏与聊天各自内部滚动，
   否则内容会把输入区顶出屏幕。
*/
@media (min-width: 761px) {
  body { height: 100vh; overflow: hidden; }
  .app { height: 100vh; padding-bottom: 0; }
  #v-app.on { flex: 1; min-height: 0; }
  .split { flex: 1; min-height: 0; }
  .col-l { overflow-y: auto; }
  .col-r { min-height: 0; }
  .foot { margin-top: 0; }
}

/* ═══════════════════ mobile ═══════════════════ */
@media(max-width:760px){
  .app{padding:0 18px 60px}
  .topbar{margin:0 -18px;padding:0 18px;height:56px}
  .brand-sub{display:none}
  .view{padding-top:32px}
  h1{font-size:25px;line-height:1.4}
  .hero-p{font-size:12.5px;margin-top:14px}
  .entry-grid{grid-template-columns:1fr;margin-top:28px}
  .entry{padding:22px 18px}
  .facts{grid-template-columns:1fr}
  .fact{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:12px 16px}
  .fact-k{margin-bottom:0}
  .fact-v{text-align:right}

  .room-card{grid-template-columns:1fr;gap:22px;padding:22px 18px}
  .room-card.single{grid-template-columns:1fr;align-items:center}
  .pending-mark{display:none}
  .room-hint{font-size:12px}
  .addr-card{min-height:0;padding:14px 14px;flex-direction:row;align-items:center;gap:12px;flex-wrap:wrap}

  .req{padding:16px 16px}
  .req-acts{max-width:none}

  .peer-strip{grid-template-columns:1fr auto 1fr;gap:8px;padding:15px 16px}
  .peer-h{font-size:8.5px;letter-spacing:.1em}
  .peer-n{font-size:11px;letter-spacing:0}
  .peer-n em{display:block;margin:2px 0 0}
  .peer.right em{margin-left:0}
  .link{min-width:0;width:44px}
  .link-meta{display:none}

  #v-app.on{display:block;padding-top:26px}
  #v-app .peer-strip{margin:0 0 12px;padding:14px 16px;border-bottom:1px solid var(--line)}
  .split{grid-template-columns:1fr;flex:none;border:none;background:none;gap:0}
  .col-l{padding:0;overflow:visible;background:none}
  .col-l .log{max-height:150px;flex:none}
  .col-r{height:56vh;min-height:340px;border:1px solid var(--line);margin:0 0 14px}
  .auth h1{font-size:22px}
  .auth-sub{font-size:12px}
  .auth-row input{height:44px}
  .auth-row button{height:44px;padding:0 20px}

  .drop{padding:26px 14px}
  .drop-t{font-size:12.5px}
  .drop-s{font-size:9.5px}
  .act-bar .mini{font-size:9px;padding:6px 9px}

  .file{padding:12px;gap:10px}
  .ico{width:28px;height:28px;font-size:7.5px}
  .file-name{font-size:12px}
  .file-bot{font-size:9.5px;gap:8px}

  .log{max-height:210px;font-size:10px;padding:12px}
  .log-row{gap:8px}
  .log-row .s{width:26px}

  .foot{margin:auto -18px 0;padding:16px 18px 26px;font-size:9px}
}