/* Callroom — a pale room, navy line, one cyan light. The composer first, the isometric room under it, the thread beside. */
:root{
  --ground:#eeeae0; --paper:#f8f5ee; --wall:#e2ddd1; --line:#18202e; --dim:#6f7684; --hair:#cdc7b8;
  --plane:#2b3446; --plane2:#3a455b; --lit:#0bb5c9; --lit-soft:#c6eef2; --lit-deep:#07808f; --warn:#c2461f;
  --disp:'Space Grotesk',system-ui,sans-serif; --body:'Manrope',system-ui,sans-serif; --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{background:var(--ground)}
body{margin:0;background:var(--ground);color:var(--line);font:400 15px/1.5 var(--body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
button{font:inherit;cursor:pointer}
[hidden]{display:none !important}

/* identity: a thin doorplate, not a nav bar */
.doorline{display:flex;align-items:center;gap:10px;max-width:1180px;margin:0 auto;padding:8px 16px;height:44px}
.doorline-id{display:flex;align-items:center;gap:8px;text-decoration:none;font:700 16px/1 var(--disp);letter-spacing:-.01em}
.doorline-id img{border-radius:6px;display:block}
.doorline-q{color:var(--dim);font-size:12.5px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doorline-sign{border:1.5px solid var(--line);background:transparent;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;color:var(--line)}
.doorline-sign[data-on]{border-color:var(--lit-deep);color:var(--lit-deep);font-family:var(--mono)}

body{padding:0 16px 128px}
.doorline,.composer,.floor,.thread,.sill{max-width:820px;margin-left:auto;margin-right:auto}
.doorline{padding:8px 0}
.composer{margin-top:4px}
.floor{margin-top:12px}

/* the composer: the action, first */
.composer{background:var(--paper);border:1.5px solid var(--line);border-radius:18px 18px 18px 4px;padding:14px 14px 12px;box-shadow:4px 4px 0 var(--wall)}
.composer-meta{display:flex;justify-content:space-between;align-items:center;font:600 11.5px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--dim)}
.roomtag{background:var(--line);color:var(--paper);padding:4px 8px;border-radius:999px}
.composer-clock{color:var(--lit-deep)}
.composer-live{margin:10px 0 12px;font:500 17px/1.35 var(--disp);letter-spacing:-.01em}
.composer-live b{color:var(--lit-deep);font-weight:700}
.slipbar{display:flex;gap:10px;align-items:stretch}
.slip{flex:0 0 auto;display:grid;grid-template-columns:auto auto;grid-template-rows:auto auto;column-gap:8px;align-items:center;border:1.5px dashed var(--hair);border-radius:12px;padding:8px 10px;background:var(--ground)}
.slip-seal{grid-row:1/3;width:22px;height:22px;border-radius:50%;background:var(--lit);box-shadow:0 0 0 3px var(--lit-soft)}
.slip-k{font:600 10.5px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--dim)}
.slip-v{font:700 15px/1.1 var(--disp)}
.dropper{flex:1;border:0;border-radius:12px;background:var(--line);color:var(--paper);font:700 16px/1 var(--disp);letter-spacing:-.005em;padding:14px 12px;min-height:52px;transition:transform .12s, background .2s}
.dropper:hover{background:var(--plane2)}
.dropper:active{transform:translateY(1px)}
.dropper[data-live]{background:var(--lit-deep)}
.dropper[data-live]:hover{background:#06707d}
.dropper:disabled{opacity:.6;cursor:wait}
.composer-fine{display:flex;flex-wrap:wrap;gap:4px 14px;margin:10px 0 0;font-size:12px;color:var(--dim)}
.reaper{margin-top:10px;width:100%;border:1.5px solid var(--lit-deep);background:var(--lit-soft);color:var(--line);border-radius:12px;padding:10px;font-weight:700}

/* the room, isometric */
.floor{margin:0 auto;background:linear-gradient(180deg,#f5f2ea 0%,#e7e2d6 100%);border-radius:18px;padding:6px 6px 12px;border:1.5px solid var(--hair)}
.floor-art{display:block;width:100%;height:auto}
.floor-cap{font-size:13px;line-height:1.45;color:var(--plane);padding:0 10px}
.floor-cap b{color:var(--lit-deep)}
.iso-floor{fill:#dcd6c8;stroke:#c5bead;stroke-width:1}
.iso-wall{fill:#e6e1d5;stroke:#c5bead;stroke-width:1}
.iso-wall2{fill:#d9d3c5;stroke:#c5bead;stroke-width:1}
.iso-top{fill:var(--plane2);stroke:var(--line);stroke-width:1.2}
.iso-side{fill:var(--plane);stroke:var(--line);stroke-width:1.2}
.iso-side2{fill:#222a39;stroke:var(--line);stroke-width:1.2}
.iso-leg{stroke:var(--line);stroke-width:5;stroke-linecap:round}
.seat{fill:#4a5670;stroke:#5d6a86;stroke-width:.8}
.seat-n{font:600 6.5px var(--mono);fill:#93a0b8}
.seat-next{fill:none;stroke:var(--lit);stroke-width:1.6;animation:pulse 1.6s ease-in-out infinite}
.seat-you{font:700 6.5px var(--mono);fill:var(--lit)}
.env{fill:#f4f8fa;stroke:var(--lit);stroke-width:1}
.env.is-mine{fill:var(--lit-soft);stroke:#fff;stroke-width:1.6}
.envg.is-new{animation:landing .7s ease-out}
.env-flap{fill:none;stroke:var(--lit-deep);stroke-width:.8}
.env-drawn{fill:var(--lit);stroke:var(--line);stroke-width:1.2}
.beam{fill:url(#beamFill);opacity:.85}
.float-env{fill:#f4f8fa;stroke:var(--line);stroke-width:1.4}
.float-env.is-ghost{fill:var(--paper);stroke:var(--dim);stroke-dasharray:4 3}
.float-lbl{font:700 15px var(--disp);fill:var(--line)}
.float-sub{font:600 8.5px var(--mono);fill:var(--plane);letter-spacing:.06em}
.ring{fill:none;stroke:var(--lit);stroke-width:1.2;opacity:.55}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
@keyframes landing{from{transform:translateY(-14px);opacity:0}to{transform:none;opacity:1}}

/* the thread */
.thread{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.thread-top{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1.5px solid var(--line);padding-bottom:6px}
.thread-name{font:700 18px/1 var(--disp)}
.thread-count{font:600 11.5px/1 var(--mono);color:var(--dim);text-transform:uppercase;letter-spacing:.05em}
.announce{background:var(--line);color:var(--paper);border-radius:4px 18px 18px 18px;padding:14px 16px}
.announce-from{margin:0 0 6px;font:600 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--lit)}
.announce-body{margin:0;font:500 16px/1.4 var(--disp)}
.announce-body b{color:var(--lit)}
.payers{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
.payers li{font:600 10.5px/1 var(--mono);background:var(--plane2);color:#c9d3e2;border-radius:6px;padding:4px 6px}
.payers li.payers-to{background:var(--lit);color:var(--line)}
.msgs{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;max-height:460px;overflow:auto}
.msg{display:flex;gap:10px;align-items:flex-start}
.msg-t{flex:0 0 40px;font:500 11px/1.9 var(--mono);color:var(--dim)}
.msg-p{margin:0;background:var(--paper);border:1px solid var(--hair);border-radius:4px 14px 14px 14px;padding:7px 11px;font-size:13.5px;max-width:100%}
.msg-p code{font:600 12px var(--mono)}
.msg-call .msg-p{border-color:var(--lit);background:#f1fafb}
.msg-call .msg-p::before{content:"";display:inline-block;width:14px;height:10px;margin-right:7px;vertical-align:-1px;border:1.4px solid var(--lit-deep);border-radius:2px;background:linear-gradient(155deg,transparent 46%,var(--lit-deep) 47%,var(--lit-deep) 53%,transparent 54%),linear-gradient(25deg,transparent 46%,var(--lit-deep) 47%,var(--lit-deep) 53%,transparent 54%)}
.msg-drawn .msg-p{background:var(--line);color:var(--paper);border-color:var(--line)}
.msg-drawn .msg-p b{color:var(--lit)}
.msg-sys .msg-p{background:transparent;border-style:dashed;color:var(--plane)}
.msg.is-fresh{animation:landing .5s ease-out}
.howto{background:var(--paper);border:1.5px solid var(--hair);border-radius:4px 18px 18px 18px;padding:14px 16px}
.howto-from{margin:0 0 8px;font:600 11px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.howto-steps{margin:0;padding-left:18px;font-size:14px}
.howto-steps li{margin:3px 0}
.worked{width:100%;border-collapse:collapse;margin:12px 0 6px;font:500 13px/1.3 var(--mono)}
.worked caption{text-align:left;font:700 13px var(--disp);padding-bottom:4px}
.worked td{border-top:1px dashed var(--hair);padding:5px 0}
.worked td:last-child{text-align:right;font-weight:600}
.worked tr:nth-child(3) td{color:var(--lit-deep);font-weight:600}
.howto-note{margin:6px 0 0;font-size:12.5px;color:var(--dim)}
.rooms-h{margin:0 0 6px;font:700 15px var(--disp);display:flex;justify-content:space-between}
.rooms-h span{font:600 11.5px var(--mono);color:var(--dim)}
.rooms-list{list-style:none;margin:0;padding:0}
.rooms-row{display:grid;grid-template-columns:auto 1fr auto;gap:10px;padding:7px 0;border-top:1px solid var(--hair);font-size:13px}
.rooms-row code{font:500 12px var(--mono)}
.rooms-none{display:block;color:var(--dim)}
.mine{background:var(--paper);border:1.5px solid var(--lit-deep);border-radius:14px;padding:12px 14px;font-size:13.5px}
.mine h3{margin:0 0 6px;font:700 15px var(--disp)}
.mine code{font:500 12px var(--mono);word-break:break-all}

.sill{margin-top:22px;padding-top:12px;border-top:1.5px solid var(--line);font-size:12.5px;color:var(--plane)}
.sill p{margin:4px 0}
.sill-ref code{font:500 11.5px var(--mono);word-break:break-all}
.sill-links{display:flex;gap:14px}

/* the CA: docked above the thumb, full address, one-tap copy */
.cadock{position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:20;max-width:760px;margin:0 auto;
  display:grid;grid-template-columns:auto 1fr auto auto;grid-template-areas:"k a c g";align-items:center;gap:6px 10px;
  background:var(--line);color:var(--paper);border-radius:14px;padding:9px 10px 9px 14px;box-shadow:0 10px 30px rgba(24,32,46,.28)}
.cadock-k{grid-area:k;font:700 11px/1 var(--mono);letter-spacing:.06em;color:var(--lit)}
.cadock-addr{grid-area:a;font:500 12.5px/1.25 var(--mono);word-break:break-all;user-select:all;min-width:0}
.cadock-off{color:#9aa6ba;user-select:none}
.cadock-copy{grid-area:c;border:0;border-radius:9px;background:var(--lit);color:var(--line);font:700 13px/1 var(--disp);padding:9px 14px}
.cadock-copy[data-done]{background:var(--paper)}
.cadock-chart{grid-area:g;font-size:11.5px;color:#9aa6ba}

.toasts{position:fixed;left:50%;transform:translateX(-50%);bottom:96px;z-index:30;display:flex;flex-direction:column;gap:6px;align-items:center;width:min(92vw,420px)}
.toast{background:var(--plane);color:var(--paper);padding:9px 14px;border-radius:10px;font-size:13px;box-shadow:0 6px 18px rgba(0,0,0,.2)}

@media (max-width:520px){
  .cadock{grid-template-columns:auto 1fr auto;grid-template-areas:"k g c" "a a a";padding:9px 10px 10px 12px}
  .cadock-addr{font-size:11.6px}
  .doorline-q{display:none}
  .doorline{justify-content:space-between}
}
@media (min-width:720px){
  .composer{padding:18px 20px 16px}
  .composer-live{font-size:20px}
  .dropper{font-size:18px}
  .floor-cap{font-size:14px}
  .msg-p{font-size:14.5px}
}
@media (min-width:1000px){
  body{font-size:16px}
  body{display:grid;grid-template-columns:1fr minmax(0,640px) minmax(0,480px) 1fr;grid-template-rows:auto auto 1fr auto;
    grid-template-areas:". door door ." ". comp thread ." ". floor thread ." ". sill sill .";column-gap:28px;align-items:start}
  .doorline{grid-area:door;max-width:none;width:100%}
  .composer{grid-area:comp;max-width:none;width:100%}
  .floor{grid-area:floor;max-width:none;width:100%}
  .thread{grid-area:thread;margin-top:4px;max-width:none;width:100%}
  .sill{grid-area:sill;max-width:none;width:100%}
  .composer-live{font-size:23px}
  .msgs{max-height:520px}
  .cadock{left:auto;right:24px;bottom:22px;max-width:640px;width:640px}
}