:root{--fg:#000;--bg:#fff;--ui:#d4d0c8}
*{box-sizing:border-box}
html,body{height:100%;margin:0;overflow:hidden;background:var(--ui);font:13px Arial,Helvetica,sans-serif;overscroll-behavior:none;color:#000}
#app{display:flex;flex-direction:column;height:100dvh;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
button{font:inherit;background:var(--ui);border:2px outset #fff;padding:2px 8px;cursor:pointer;color:#000;white-space:nowrap}
button:active{border-style:inset}
:focus-visible{outline:1px dotted #000;outline-offset:-4px}
#title{background:linear-gradient(90deg,#000080,#1084d0);color:#fff;padding:3px 8px;font-weight:bold;display:flex;justify-content:space-between}
#bar{display:flex;transition:height .15s ease,opacity .15s ease,visibility .15s ease}
#bar{display:flex;gap:2px;padding:3px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}
#bside{display:none}
#bside.u{color:#00f;font-weight:bold}#bside.h{color:#f00;font-weight:bold}
/* left sidebar: status + channels (tabs) */
#side{width:150px;flex:0 0 150px;display:flex;flex-direction:column;min-height:0;margin-right:3px}
#tabs{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;gap:2px;padding:3px;overflow-y:auto;overflow-x:hidden;background:#bbb7ae;border:2px inset #fff}
.tab{display:flex;align-items:center;justify-content:space-between;gap:6px;width:100%;text-align:left;flex:0 0 auto}
.tab .tn{min-width:0;overflow:hidden;text-overflow:ellipsis}
.tab.on{border-style:inset;font-weight:bold;background:#fff}.tab.u{color:#00f}.tab.h{color:#f00;font-weight:bold}
.tab i{font-style:normal;margin-left:6px;color:#800}
#main{flex:1;display:flex;min-height:0;margin:3px;position:relative;overflow:hidden}
#chatpane{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column}
#logs{flex:1;min-width:0;min-height:0;position:relative;border:2px inset #fff;background:var(--bg)}
.log{position:absolute;inset:0;overflow-y:auto;padding:2px 5px;font:14px/1.35 Arial,Helvetica,sans-serif;word-break:break-word;display:none;flex-direction:column;justify-content:flex-start}.log.on{display:flex}
/* mIRC-style flow: messages sit at the bottom, older lines climb upward */
.log::before{content:"";margin-top:auto;flex:0 0 0}
.log .t{color:#808080}.j{color:#008000}.p{color:#7f0000}.m{color:#800080}.n{color:#9c009c}.a{color:#9c009c}.e{color:#f00}.i{color:#00f}.hl{background:#ffffc0;color:#c00}
.log a{color:#00f}
#nicks{width:150px;flex:0 0 150px;border:2px inset #fff;background:#fff;overflow-y:auto;margin-left:3px;font:13px Arial,Helvetica,sans-serif;display:flex;flex-direction:column;min-height:0}
#userSearch{display:block;width:100%;height:28px;flex:0 0 28px;border:0;border-bottom:1px solid #999;border-radius:0;padding:4px 7px;background:#f7f7f7;color:#000;font:14px Arial,Helvetica,sans-serif;outline:none}
#userSearch:focus{background:#fff;box-shadow:inset 0 0 0 1px #1084d0}
#userList{flex:1;min-height:0;overflow-y:auto;overflow-x:hidden}
#userList div{padding:2px 5px;cursor:pointer;white-space:nowrap}
#userList .c{background:#000080;color:#fff;cursor:default;position:sticky;top:0;z-index:1}
#userList .no-users{padding:7px 5px;color:#777;cursor:default;font-style:italic}
#typing{height:17px;padding:0 8px;font-style:italic;color:#444;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
#in{display:flex;gap:3px;padding:3px;align-items:center;min-width:0}
#in input{flex:1;min-width:0;font:16px Arial,Helvetica,sans-serif;border:2px inset #fff;padding:4px 6px}
#mn{font-weight:bold;max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#in .fmt{display:flex;gap:2px;flex:0 0 auto}
#in .fmt button{min-width:34px;padding:3px 6px}
#in #bs{flex:0 0 auto}
#dlg{position:fixed;inset:0;background:#0007;display:none;align-items:center;justify-content:center;z-index:9}#dlg.on{display:flex}
.box{background:var(--ui);border:2px outset #fff;width:min(460px,94vw);max-height:92dvh;overflow:auto}
.box h3{margin:0;background:linear-gradient(90deg,#000080,#1084d0);color:#fff;padding:3px 8px;font-size:13px}
.box .b{padding:10px}.box label{display:block;margin:6px 0 2px}
.box input[type=text],.box input[type=password]{width:100%;font:16px Arial,Helvetica,sans-serif;border:2px inset #fff;padding:3px 5px}
.box .row{display:flex;gap:4px;flex-wrap:wrap;margin-top:8px}.box .row button{flex:1 1 40%;padding:6px}
.sw{display:inline-block;width:36px;height:30px;border:1px solid #000;margin:2px;cursor:pointer}
.lr{padding:4px;border-bottom:1px solid #aaa;cursor:pointer;font-size:13px}.lr:hover{background:#000080;color:#fff}
@media(max-width:700px){
#title span:last-child{display:none}
#topic{min-height:24px;max-height:96px;height:auto;padding:4px 6px;line-height:1.35;white-space:normal;overflow-y:auto;overflow-x:hidden;overflow-wrap:anywhere}
#topic{min-height:24px;max-height:96px;height:auto;padding:4px 6px;line-height:1.35;margin:0 0 3px 0;white-space:normal;overflow-y:auto;overflow-x:hidden;overflow-wrap:anywhere}
#typing{height:20px;padding:1px 8px;line-height:18px}
#in{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:3px;
  padding:3px;
  align-items:center;
}
#mn{display:none}
#in .fmt{
  grid-column:1 / -1;
  display:flex;
  width:100%;
  gap:2px;
}
#in .fmt button{
  flex:0 0 auto;
  min-width:34px;
  height:30px;
  padding:3px 7px;
}
#in #msg{
  grid-column:1;
  min-width:0;
  width:100%;
  height:34px;
}
#in #bs{
  grid-column:2;
  height:34px;
  padding:4px 10px;
}
}

/* Mobile interaction: prevent pinch/double-tap page zoom */
html, body {
  -ms-touch-action: manipulation;
  touch-action: manipulation;
  -webkit-text-size-adjust: 100%;
}

/* Topic flows with the chat history instead of staying fixed */
.log .chat-topic{
  display:block;
  background:#fff;
  border:2px inset #fff;
  padding:3px 6px;
  margin:0 0 4px 0;
  min-height:24px;
  max-height:96px;
  overflow-y:auto;
  overflow-x:hidden;
  white-space:normal;
  overflow-wrap:anywhere;
  word-break:break-word;
  font:13px/1.35 Arial,Helvetica,sans-serif;
  color:#000;
}
.log .chat-topic i{color:#555}
#nhead,#shead,#nbd{display:none}
/* letter avatars */
.av{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;color:#fff;font-weight:bold;line-height:1;flex:0 0 auto;user-select:none;overflow:hidden}
/* chat lines: avatar | message | time (time stamp on the right) */
.log .ln{display:flex;align-items:flex-start;gap:5px;padding:1px 0}
.log .ln .mb{flex:1 1 auto;min-width:0;word-break:break-word}
.log .ln .t{flex:0 0 auto;margin-left:auto;padding-left:6px;white-space:nowrap}
.log .msg{display:flex;align-items:flex-start;gap:5px;padding:1px 0}
.log .msg .t{flex:0 0 auto;font-size:12px;line-height:20px}
.log .msg .av{margin-top:1px}
.log .msg .mb{flex:1 1 auto;min-width:0;padding-top:1px;word-break:break-word}
@media(max-width:700px){.log .msg .t{font-size:11px}}
/* fun popups */
.fun{position:fixed;inset:0;z-index:20;pointer-events:none;overflow:hidden}
.fb{position:absolute;top:18%;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px;max-width:90vw;pointer-events:auto;
 background:var(--ui);border:2px outset #fff;padding:10px 16px;box-shadow:0 4px 14px #0008;font:bold 15px Arial,Helvetica,sans-serif;color:#000;animation:fpop .45s cubic-bezier(.2,1.6,.4,1)}
.fe{font-size:34px;line-height:1;animation:fwig .6s ease .3s 2}
.fp{position:absolute;bottom:-40px;opacity:0;animation:fup 2.4s ease-in forwards}
#app.shake{animation:fshake .5s}
@keyframes fpop{0%{transform:translateX(-50%) scale(.3);opacity:0}100%{transform:translateX(-50%) scale(1);opacity:1}}
@keyframes fwig{0%,100%{transform:rotate(0)}25%{transform:rotate(-20deg)}75%{transform:rotate(20deg)}}
@keyframes fup{0%{opacity:1;transform:translateY(0) rotate(0)}100%{opacity:0;transform:translateY(-75vh) rotate(40deg)}}
@keyframes fshake{0%,100%{transform:translateX(0)}20%{transform:translateX(-8px)}40%{transform:translateX(8px)}60%{transform:translateX(-6px)}80%{transform:translateX(6px)}}
@media(prefers-reduced-motion:reduce){.fb,.fe,#app.shake{animation:none}}
#userList div[data-n]{display:flex;align-items:center;gap:6px}
#userList .un{min-width:0;overflow:hidden;text-overflow:ellipsis}

/* ---------- Mobile: left = Status/channels drawer, right = users drawer ---------- */
@media(max-width:700px){
  #bside{display:inline-block}
  #bside[aria-expanded="true"],#bn[aria-expanded="true"]{border-style:inset;font-weight:bold;background:#fff}
  #side,#nicks{
    position:absolute;top:0;bottom:0;z-index:6;margin:0;flex:none;max-width:none;
    visibility:hidden;touch-action:pan-y;overscroll-behavior:contain;will-change:transform;
    transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,visibility 0s linear .3s;
  }
  #side{left:0;width:min(240px,78%);background:var(--ui);transform:translateX(-105%)}
  #nicks{right:0;width:min(200px,60%);transform:translateX(105%)}
  #side.show,#nicks.show{
    transform:none;visibility:visible;
    transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s,visibility 0s;
  }
  #side.show,#side.drag{box-shadow:5px 0 16px #0009}
  #nicks.show,#nicks.drag{box-shadow:-5px 0 16px #0009}
  #side.drag,#nicks.drag{transition:none;visibility:visible}
  #nbd{
    display:block;position:absolute;inset:0;z-index:5;background:#000;
    opacity:0;pointer-events:none;transition:opacity .3s;
  }
  #nbd.show{opacity:.45;pointer-events:auto}
  #nbd.drag{transition:none;pointer-events:auto}
  #nhead,#shead{
    display:flex;align-items:center;justify-content:space-between;gap:6px;flex:0 0 auto;
    padding:3px 3px 3px 8px;color:#fff;font-weight:bold;
    background:linear-gradient(90deg,#000080,#1084d0);
  }
  #ntitle,#stitle{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  #nclose,#sclose{min-width:34px;height:28px;padding:0 6px;line-height:1}
  #tabs{margin:3px}
  .tab{min-height:36px;font-size:15px}
  #userSearch{height:36px;flex-basis:36px;font-size:16px}
  #userList div{padding:9px 10px;font-size:15px;border-bottom:1px solid #eee}
  #userList div:not(.c):not(.no-users):active{background:#000080;color:#fff}
  #userList .c{padding:5px 10px;font-size:13px;border-bottom:0}
}
@media(max-width:700px) and (prefers-reduced-motion:reduce){
  #side,#side.show,#nicks,#nicks.show,#nbd{transition:none}
}

/* ---------- mobile chat fixes ---------- */
.log>*{flex:0 0 auto}                 /* lines/topic never get squashed by the flex container */
.log .t{font-size:12px}               /* same time-stamp size on every line */
#app.kb #title,#app.kb #bar{display:none} /* keyboard open: give the room to the chat */
/* @nickname suggestions above the input */
#nsug{display:flex;gap:4px;padding:3px;flex:0 0 auto;overflow-x:auto;white-space:nowrap;scrollbar-width:none;background:#bbb7ae;border-top:1px solid #808080;-webkit-overflow-scrolling:touch}
#nsug[hidden]{display:none}
#nsug::-webkit-scrollbar{display:none}
#nsug button{display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;height:32px;padding:2px 12px;font-size:14px}

/* clickable nicknames in chat (like mIRC) */
.log .nk,.log .av[data-n]{cursor:pointer}
.log .nk:hover{text-decoration:underline}