/* ================================================================
   رونی چت — شیوه‌نامه
   هر تم فقط مجموعه متغیرها را عوض می‌کند؛ بقیه قواعد مشترک‌اند.
   ================================================================ */

:root,
[data-theme="rose"]{
  --plum:#2A1836; --plum-2:#3B2450; --plum-3:#4C2F66;
  --ink:#20132A; --paper:#FBF4F7; --surface:#FFFFFF;
  --line:#EBD9E4; --line-2:#DCC5D4; --muted:#8A7690;
  --tint:#F6EDF2; --field:#FDF9FB;
  --accent:#D6336C; --accent-dark:#B02455; --accent-soft:#FBD7E4;
  --bubble-them:#FFFFFF; --bubble-me:#FDE2EC; --on-accent:#fff;
  --side-text:#F0E6F2; --side-muted:#B69EC0;
}

[data-theme="ocean"]{
  --plum:#132B45; --plum-2:#1E3D5D; --plum-3:#2A5178;
  --ink:#0E2233; --paper:#F1F7FB; --surface:#FFFFFF;
  --line:#D8E7F0; --line-2:#BFD6E5; --muted:#66808F;
  --tint:#EAF3F9; --field:#F8FBFD;
  --accent:#0B7BC4; --accent-dark:#09639F; --accent-soft:#D3E8F8;
  --bubble-them:#FFFFFF; --bubble-me:#DCEDFB; --on-accent:#fff;
  --side-text:#E4F0F7; --side-muted:#8FAEC2;
}

[data-theme="mint"]{
  --plum:#12332B; --plum-2:#1C483D; --plum-3:#276052;
  --ink:#0F2A23; --paper:#F2F9F6; --surface:#FFFFFF;
  --line:#D5E9E1; --line-2:#B8D8CC; --muted:#5E7F74;
  --tint:#E9F5F0; --field:#F8FCFA;
  --accent:#0E9F6E; --accent-dark:#0B7E58; --accent-soft:#D2F0E3;
  --bubble-them:#FFFFFF; --bubble-me:#D9F1E7; --on-accent:#fff;
  --side-text:#E4F2ED; --side-muted:#8FB5A8;
}

[data-theme="grape"]{
  --plum:#241640; --plum-2:#33215A; --plum-3:#432D74;
  --ink:#1D1233; --paper:#F7F4FE; --surface:#FFFFFF;
  --line:#E3DBF6; --line-2:#CDC1EC; --muted:#7A6E96;
  --tint:#F0EBFC; --field:#FAF8FE;
  --accent:#6D3BE0; --accent-dark:#5A2FC0; --accent-soft:#E3D8FB;
  --bubble-them:#FFFFFF; --bubble-me:#E7DEFC; --on-accent:#fff;
  --side-text:#EBE4F8; --side-muted:#A797C9;
}

[data-theme="amber"]{
  --plum:#3B2410; --plum-2:#54341A; --plum-3:#6E4625;
  --ink:#2E1D0E; --paper:#FDF6EE; --surface:#FFFFFF;
  --line:#F0E1CE; --line-2:#E1C9AC; --muted:#8B7660;
  --tint:#F9F0E5; --field:#FEFBF7;
  --accent:#D97A08; --accent-dark:#B36306; --accent-soft:#FAE6C9;
  --bubble-them:#FFFFFF; --bubble-me:#FBEBD3; --on-accent:#fff;
  --side-text:#F5EAE0; --side-muted:#C0A88E;
}

[data-theme="night"]{
  --plum:#0E1117; --plum-2:#181D26; --plum-3:#242C39;
  --ink:#E6EAF2; --paper:#0B0E13; --surface:#161A22;
  --line:#262D3A; --line-2:#333B4B; --muted:#8E98AC;
  --tint:#1F2530; --field:#1B212B;
  --accent:#5B8DEF; --accent-dark:#4A76D0; --accent-soft:#232D42;
  --bubble-them:#1C222C; --bubble-me:#25324A; --on-accent:#fff;
  --side-text:#E2E7F0; --side-muted:#828C9E;
}

:root{
  --radius:16px;
  --side-w:330px;
  --font:"Vazirmatn","IRANSansX","IRANSans","Segoe UI",Tahoma,system-ui,sans-serif;
  --shadow-1:0 1px 2px rgba(20,15,30,.10);
  --shadow-2:0 8px 28px rgba(20,15,30,.18);
  --shadow-3:0 24px 60px rgba(20,15,30,.32);
}

/* بدون این خط، هر المانی که display صریح دارد hidden را نادیده می‌گیرد */
[hidden]{display:none !important}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;font-family:var(--font);background:var(--paper);color:var(--ink);
  font-size:15px;line-height:1.75;-webkit-tap-highlight-color:transparent;
}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ---------------------------------------------------------------- ورود */
.login{min-height:100dvh;display:grid;place-items:center;padding:24px;background:var(--plum)}
.login-card{
  width:100%;max-width:390px;background:var(--surface);
  border-radius:22px;padding:34px 30px 30px;box-shadow:var(--shadow-3);text-align:center;
}
.login-mark{
  width:76px;height:76px;margin:0 auto 16px;border-radius:24px;
  display:grid;place-items:center;color:var(--on-accent);background:var(--accent);
}
.login-card h1{margin:0;font-size:25px;font-weight:700;letter-spacing:-.01em}
.login-sub{margin:6px 0 26px;color:var(--muted);font-size:14px}
.login-card label,.modal label{
  display:block;font-size:13px;color:var(--muted);margin-bottom:7px;text-align:right;
}
.login-card input,.modal input,.modal select{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);
  border-radius:12px;background:var(--field);
}
.login-card input{margin-bottom:18px}
.login-card input:focus,.modal input:focus,.modal select:focus{
  border-color:var(--accent);outline:none;
}
.form-error{
  margin:0 0 14px;color:#C0392B;font-size:13.5px;text-align:right;
  background:rgba(192,57,43,.10);border-radius:10px;padding:10px 13px;
}
.btn-primary{
  width:100%;padding:13px;border-radius:12px;
  background:var(--accent);color:var(--on-accent);font-weight:600;
}
.btn-primary:hover{background:var(--accent-dark)}
.btn-primary:disabled{opacity:.55;cursor:default}
.btn-sm{width:auto;padding:9px 22px;font-size:14px}
.btn-ghost{padding:9px 16px;border-radius:12px;color:var(--muted);font-weight:500}
.btn-ghost:hover{color:var(--ink);background:var(--tint)}
.btn-danger{
  padding:9px 18px;border-radius:12px;background:rgba(192,57,43,.12);
  color:#C0392B;font-weight:600;font-size:14px;
}
.btn-outline{
  padding:9px 16px;border-radius:12px;border:1.5px solid var(--line);
  color:var(--ink);font-weight:500;font-size:14px;
}
.btn-outline:hover{background:var(--tint)}

#lg-mode{margin:0 0 22px}
#lg-mode button{font-size:13.5px}
.login-card .hint{margin:0 0 18px;text-align:right;font-size:13px}
.code-input{
  text-align:center;font-size:27px;font-weight:700;letter-spacing:.5em;
  padding:12px 0 12px .5em;font-variant-numeric:tabular-nums;
}
.link-row{display:flex;gap:8px;margin-top:12px}
.link-row .btn-ghost{flex:1;font-size:13.5px}
.link-row .btn-ghost:disabled{opacity:.5;cursor:default;background:none}
.lg-err{margin:16px 0 0}

/* ---------------------------------------------------------------- چیدمان */
.app{display:flex;height:100dvh;overflow:hidden}
.sidebar{
  width:var(--side-w);flex:0 0 var(--side-w);background:var(--plum);color:var(--side-text);
  display:flex;flex-direction:column;padding-top:env(safe-area-inset-top);
}
.side-head{display:flex;align-items:center;gap:11px;padding:16px 16px 13px}
.side-id{flex:1;min-width:0}
.my-name{display:block;font-weight:600;font-size:15.5px}
.conn{font-size:12px;color:var(--side-muted)}
.conn::before{
  content:"";display:inline-block;width:7px;height:7px;border-radius:50%;
  margin-left:6px;vertical-align:middle;
}
.conn-on::before{background:#37D399}
.conn-off::before{background:#E8A317}
.sidebar .icon-btn{color:var(--side-muted);width:36px;height:36px;border-radius:11px}
.sidebar .icon-btn:hover{color:#fff;background:var(--plum-2)}
#my-avatar{cursor:pointer}

.side-search{position:relative;padding:0 16px 13px}
.side-search svg{position:absolute;right:29px;top:11px;color:var(--side-muted);pointer-events:none}
.side-search input{
  width:100%;padding:10px 36px 10px 14px;border-radius:12px;border:none;
  background:var(--plum-2);color:var(--side-text);
}
.side-search input::placeholder{color:var(--side-muted)}
.side-search input:focus{outline:none;background:var(--plum-3)}

.room-list{flex:1;overflow-y:auto;padding:0 9px 18px}
.list-label{padding:16px 10px 7px;font-size:12.5px;color:var(--side-muted);font-weight:600}
.room{
  position:relative;display:flex;align-items:center;gap:12px;width:100%;
  text-align:right;padding:11px 10px;border-radius:13px;color:inherit;
}
.room:hover{background:var(--plum-2)}
.room.active{background:var(--plum-3)}
.room.active::before{
  content:"";position:absolute;right:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--accent);
}
.avatar{
  flex:0 0 44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-size:16px;font-weight:700;background:#5B3A70;color:#fff;position:relative;
  overflow:visible;
}
.avatar.group{border-radius:50%}
.avatar.channel{border-radius:12px}
.avatar img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  border-radius:inherit;
}
.avatar .dot{
  position:absolute;bottom:-2px;left:-2px;width:13px;height:13px;border-radius:50%;
  background:#37D399;border:2.5px solid var(--plum);z-index:1;
}
.room.active .avatar .dot{border-color:var(--plum-3)}
.room:hover .avatar .dot{border-color:var(--plum-2)}
.chat-head .avatar .dot,.picker .avatar .dot,.msg-av .dot{border-color:var(--surface)}

.room-main{flex:1;min-width:0}
.room-top{display:flex;align-items:center;gap:8px}
.room-title{
  flex:1;font-weight:600;font-size:14.5px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.tag{
  flex:0 0 auto;font-size:10.5px;padding:1px 7px;border-radius:6px;
  background:var(--plum-3);color:var(--side-text);font-weight:600;
}
.room-time{font-size:11.5px;color:var(--side-muted);flex:0 0 auto}
.room-prev{
  font-size:13px;color:var(--side-muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.room.unread .room-prev{color:var(--side-text)}
.badge{
  flex:0 0 auto;min-width:22px;height:22px;padding:0 7px;border-radius:11px;
  background:var(--accent);color:var(--on-accent);font-size:12px;font-weight:700;
  display:grid;place-items:center;
}

/* ---------------------------------------------------------------- گفتگو */
.chat{flex:1;min-width:0;display:flex;flex-direction:column;background:var(--paper)}
.empty{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;color:var(--muted);
}
.room-view{flex:1;display:flex;flex-direction:column;min-height:0}
.chat-head{
  display:flex;align-items:center;gap:12px;
  padding:calc(11px + env(safe-area-inset-top)) 18px 11px;
  background:var(--surface);border-bottom:1px solid var(--line);
  box-shadow:var(--shadow-1);z-index:2;
}
.chat-head .avatar{flex:0 0 40px;height:40px;font-size:15px}
.chat-title{flex:1;min-width:0}
.chat-title>span:first-child{font-weight:700;display:block;font-size:15.5px}
.chat-sub{font-size:12.5px;color:var(--muted)}
.back-btn{display:none;color:var(--muted);width:34px;height:34px}
.chat-head .icon-btn{color:var(--muted)}

.scroll{
  flex:1;overflow-y:auto;padding:20px 18px;overscroll-behavior:contain;
  background-image:radial-gradient(var(--line-2) 1px, transparent 1px);
  background-size:22px 22px;
}
.messages{display:flex;flex-direction:column;gap:3px;max-width:860px;margin:0 auto}
.load-more{
  display:block;margin:0 auto 16px;padding:8px 20px;border-radius:20px;
  background:var(--surface);border:1px solid var(--line);
  color:var(--accent);font-size:13px;font-weight:600;box-shadow:var(--shadow-1);
}
.day{
  align-self:center;margin:18px 0 12px;padding:5px 16px;border-radius:20px;
  background:var(--surface);color:var(--muted);font-size:12.5px;font-weight:600;
  box-shadow:var(--shadow-1);
}
.row{display:flex;max-width:76%;gap:8px;align-items:flex-end}
.row.mine{align-self:flex-start;flex-direction:row-reverse}
.row.theirs{align-self:flex-end}
.row.first{margin-top:12px}
.msg-av{flex:0 0 30px;height:30px;border-radius:10px;font-size:12px;margin-bottom:2px}
.msg-av.blank{background:none!important}

.bubble{
  background:var(--bubble-them);border-radius:18px;padding:9px 14px 6px;
  min-width:100px;overflow-wrap:anywhere;box-shadow:var(--shadow-1);
}
.row.mine .bubble{background:var(--bubble-me)}
.row.first.theirs .bubble{border-top-right-radius:6px}
.row.first.mine .bubble{border-top-left-radius:6px}
.sender{font-size:12.5px;font-weight:700;margin-bottom:3px}
.text{white-space:pre-wrap}
.meta{font-size:11px;color:var(--muted);text-align:left;margin-top:3px}
.bubble img.photo{
  display:block;max-width:min(340px,60vw);border-radius:12px;
  margin:2px 0 5px;cursor:zoom-in;background:var(--line);
}
.file-chip{display:flex;align-items:center;gap:11px;padding:6px 2px 4px;color:inherit;text-decoration:none}
.file-chip .fi{
  flex:0 0 40px;height:40px;border-radius:12px;background:var(--accent-soft);
  display:grid;place-items:center;color:var(--accent);font-size:19px;font-weight:700;
}
.file-name{font-size:14px;font-weight:600;word-break:break-all}
.file-size{font-size:12px;color:var(--muted)}
.bubble audio{display:block;width:min(258px,58vw);margin:4px 0 2px;height:38px}
.typing{padding:0 22px 6px;font-size:12.5px;color:var(--accent);min-height:20px;font-weight:500}

/* ------------------------------------------------------------- نوار نوشتن */
.composer{
  display:flex;align-items:flex-end;gap:7px;
  padding:11px 13px calc(11px + env(safe-area-inset-bottom));
  background:var(--surface);border-top:1px solid var(--line);
}
.icon-btn{
  flex:0 0 auto;width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;color:var(--muted);
}
.icon-btn:hover{background:var(--tint);color:var(--ink)}
.icon-btn.send{background:var(--accent);color:var(--on-accent)}
.icon-btn.send:hover{background:var(--accent-dark);color:var(--on-accent)}
.icon-btn.mic.on{background:#C0392B;color:#fff}
#input{
  flex:1;min-height:42px;max-height:150px;resize:none;padding:10px 16px;
  border:1.5px solid var(--line);border-radius:21px;background:var(--field);line-height:1.65;
}
#input:focus{outline:none;border-color:var(--accent)}
.readonly{
  display:flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 16px calc(15px + env(safe-area-inset-bottom));
  background:var(--surface);border-top:1px solid var(--line);
  color:var(--muted);font-size:13.5px;
}
.recorder{
  display:flex;align-items:center;gap:11px;
  padding:11px 16px calc(11px + env(safe-area-inset-bottom));
  background:var(--surface);border-top:1px solid var(--line);
}
.rec-dot{width:11px;height:11px;border-radius:50%;background:#C0392B;animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.2}}
.rec-time{font-variant-numeric:tabular-nums;font-weight:700}
.rec-hint{flex:1;color:var(--muted);font-size:13.5px}

/* ---------------------------------------------------------------- پنجره‌ها */
.backdrop{position:fixed;inset:0;background:rgba(15,10,20,.6);z-index:40}
.modal{
  position:fixed;z-index:41;top:50%;left:50%;transform:translate(-50%,-50%);
  width:min(440px,calc(100vw - 32px));max-height:min(86dvh,720px);overflow-y:auto;
  background:var(--surface);border-radius:20px;padding:26px;box-shadow:var(--shadow-3);
}
.modal h2{margin:0 0 18px;font-size:19px;font-weight:700}
.modal label{margin-top:16px}
.hint{margin:10px 0 0;font-size:13px;color:var(--muted)}
.seg{display:flex;gap:6px;background:var(--tint);padding:5px;border-radius:14px}
.seg button{flex:1;padding:9px;border-radius:10px;font-weight:600;font-size:14px;color:var(--muted)}
.seg button.on{background:var(--surface);color:var(--accent);box-shadow:var(--shadow-1)}

.picker{
  margin-top:8px;border:1.5px solid var(--line);border-radius:14px;
  max-height:230px;overflow-y:auto;padding:6px;
}
.pick{display:flex;align-items:center;gap:11px;width:100%;padding:8px 10px;border-radius:11px;text-align:right;color:inherit}
.pick:hover{background:var(--tint)}
.pick .avatar{flex:0 0 34px;height:34px;font-size:13px;border-radius:11px}
.pick-name{flex:1;font-size:14.5px;font-weight:500}
.pick-role{font-size:12px;color:var(--accent);font-weight:600}
.check{
  flex:0 0 22px;height:22px;border-radius:7px;border:2px solid var(--line-2);
  display:grid;place-items:center;color:#fff;font-size:13px;
}
.pick.on .check{background:var(--accent);border-color:var(--accent)}
.pick-x{flex:0 0 30px;height:30px;border-radius:9px;color:var(--muted);display:grid;place-items:center;font-size:17px}
.pick-x:hover{background:rgba(192,57,43,.12);color:#C0392B}
.modal-foot{display:flex;align-items:center;gap:10px;margin-top:22px}
.modal-foot .spacer{flex:1}

/* -------------------------------------------------------------- تنظیمات */
.profile-row{display:flex;align-items:center;gap:16px;margin-bottom:6px}
.profile-row .avatar{flex:0 0 72px;height:72px;border-radius:24px;font-size:26px}
.profile-actions{display:flex;flex-direction:column;gap:8px}

.theme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(94px,1fr));gap:10px;margin-top:8px}
.theme-card{
  border:2px solid var(--line);border-radius:14px;padding:10px 8px;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--ink);
}
.theme-card.on{border-color:var(--accent)}
.swatch{display:flex;width:100%;height:30px;border-radius:9px;overflow:hidden}
.swatch i{flex:1;display:block}

.sound-list{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.sound-row{
  display:flex;align-items:center;gap:10px;padding:10px 12px;
  border:1.5px solid var(--line);border-radius:12px;width:100%;
  text-align:right;color:inherit;font-size:14.5px;
}
.sound-row.on{border-color:var(--accent);color:var(--accent);font-weight:600}
.sound-row .play{
  flex:0 0 30px;height:30px;border-radius:9px;background:var(--tint);
  display:grid;place-items:center;color:var(--muted);font-size:12px;
}

.toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%);
  background:var(--plum);color:var(--side-text);padding:11px 20px;border-radius:13px;
  font-size:14px;z-index:50;max-width:90vw;box-shadow:var(--shadow-2);
}
.lightbox{
  position:fixed;inset:0;background:rgba(10,6,14,.94);z-index:60;
  display:grid;place-items:center;padding:20px;cursor:zoom-out;
}
.lightbox img{max-width:100%;max-height:100%;border-radius:10px}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------------------------------------------------------------- موبایل */
@media (max-width:760px){
  .app{position:relative}
  .sidebar{width:100%;flex:1 1 auto}
  .chat{position:absolute;inset:0;z-index:10;transform:translateX(-100%);visibility:hidden}
  .app.on-chat .chat{transform:none;visibility:visible}
  .app.on-chat .sidebar{display:none}
  .back-btn{display:grid}
  .row{max-width:88%}
  .scroll{padding:16px 13px}
  .modal{padding:22px 20px}
}

/* ---------------------------------------------------------------- ریپلای */
.reply-bar{
  display:flex;align-items:center;gap:10px;padding:9px 14px;
  background:var(--surface);border-top:1px solid var(--line);
}
.reply-mark{flex:0 0 3px;align-self:stretch;border-radius:3px;background:var(--accent)}
.reply-text{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.5}
.reply-text span:first-child{font-size:12.5px;font-weight:700;color:var(--accent)}
.reply-text span:last-child{
  font-size:13px;color:var(--muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.reply-bar .icon-btn{width:34px;height:34px;font-size:20px;line-height:1}

.quote{
  display:flex;gap:8px;width:100%;text-align:right;color:inherit;
  background:rgba(125,125,125,.10);border-radius:10px;
  padding:6px 9px;margin:0 0 6px;cursor:pointer;
}
.quote .bar{flex:0 0 3px;border-radius:3px;background:var(--accent)}
.quote .qt{min-width:0;display:flex;flex-direction:column;line-height:1.5}
.quote .qw{font-size:12px;font-weight:700;color:var(--accent)}
.quote .qp{
  font-size:12.5px;color:var(--muted);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:min(260px,52vw);
}

.reply-btn{
  align-self:center;flex:0 0 30px;height:30px;border-radius:50%;
  display:grid;place-items:center;color:var(--muted);
  background:var(--surface);box-shadow:var(--shadow-1);
  opacity:0;transition:opacity .12s;
}
.row:hover .reply-btn,.reply-btn:focus-visible{opacity:1}
@media (hover:none){.reply-btn{opacity:.65}}

@keyframes flash{0%,100%{background:transparent}30%{background:var(--accent-soft)}}
.row.flash .bubble{animation:flash 1.1s ease-out}

/* ---------------------------------------------------------- مدیریت کاربران */
.btn-outline.full{width:100%;margin-top:14px}
.row-label{
  display:flex!important;align-items:center;gap:9px;
  margin-top:16px!important;color:var(--ink)!important;font-size:14.5px!important;
}
.row-label input{width:auto!important;margin:0!important}
.result-box{
  margin-top:16px;padding:14px;border-radius:12px;
  background:var(--accent-soft);font-size:14px;line-height:2;
}
.result-box b{font-family:monospace;font-size:15px;letter-spacing:.04em}
.u-meta{font-size:12.5px;color:var(--muted);direction:ltr;text-align:right}
.u-actions{display:flex;gap:4px}
.u-actions button{
  width:30px;height:30px;border-radius:9px;color:var(--muted);
  display:grid;place-items:center;font-size:14px;
}
.u-actions button:hover{background:var(--tint);color:var(--ink)}
.pick.off{opacity:.5}

/* ---------------------------------------------------------------- فوروارد */
.fwd-note{
  display:flex;align-items:center;gap:5px;font-size:12px;
  color:var(--muted);margin-bottom:4px;font-style:italic;
}
.msg-actions{align-self:center;display:flex;flex-direction:column;gap:4px}
.row.mine .msg-actions{align-items:flex-end}
.seg button.admin-only[hidden]{display:none!important}