:root{
  --bg:#0f1419;
  --sidebar:#161c24;
  --sidebar-hover:#1f2937;
  --panel:#1a212b;
  --main:#0f1419;
  --card:#1a212b;
  --text:#e8ecf1;
  --text-dim:#8b97a7;
  --border:#26303c;
  --steel:#2e5c8a;
  --steel-light:#4a82bd;
  --amber:#f0a818;
  --amber-soft:#3a2f12;
  --user-bubble:#1e2a38;
  --radius:12px;
  --composer-bg:#1c1c1e;
  --composer-border-focus:#3a3a3d;
  --send-bg:#fff;
  --send-fg:#000;
  --send-hover:#e4e4e4;
  --send-disabled:#3a3a3d;
  --attach-bg:#2c2c2e;
  --attach-fg:#cfd3d8;
  --attach-hover:#3a3a3d;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
:root[data-theme="light"]{
  --bg:#f4f6f8;
  --sidebar:#ffffff;
  --sidebar-hover:#eef1f5;
  --panel:#ffffff;
  --main:#f4f6f8;
  --card:#ffffff;
  --text:#1b2430;
  --text-dim:#6b7686;
  --border:#dde3ea;
  --steel:#2e5c8a;
  --steel-light:#3f74ae;
  --amber:#c9810a;
  --amber-soft:#fdf1da;
  --user-bubble:#e7edf5;
  --composer-bg:#ffffff;
  --composer-border-focus:#c7d2de;
  --send-bg:#1b2430;
  --send-fg:#fff;
  --send-hover:#333d4a;
  --send-disabled:#cdd4dc;
  --attach-bg:#eef1f5;
  --attach-fg:#4a5568;
  --attach-hover:#dde3ea;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{transition:background-color .2s,color .2s}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
.hidden{display:none!important}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}

/* ---- Logotip ---- */
.brand-logo{width:48px;height:48px;object-fit:contain;display:block;margin:0 auto 4px;filter:drop-shadow(0 2px 8px rgba(74,130,189,.35))}
.brand-logo.big{width:72px;height:72px;margin:0 auto 10px}
.topbar-logo{width:24px;height:24px;object-fit:contain}

/* ============ AUTH ============ */
.auth-screen{
  position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 30% 20%,#1a2735,#0f1419 70%);
  padding:20px;
}
.auth-card{
  width:100%;max-width:400px;background:var(--card);
  border:1px solid var(--border);border-radius:18px;padding:36px 30px;
  box-shadow:0 20px 60px rgba(0,0,0,.4);
}
.auth-brand{text-align:center;margin-bottom:26px}
.auth-brand h1{font-size:24px;font-weight:700;letter-spacing:-.5px;margin-top:6px}
.auth-brand p{color:var(--text-dim);font-size:13px}
.auth-tabs{display:flex;gap:6px;background:var(--bg);border-radius:10px;padding:4px;margin-bottom:20px}
.auth-tabs button{flex:1;padding:9px;border:none;background:transparent;color:var(--text-dim);border-radius:7px;font-weight:600;font-size:14px}
.auth-tabs button.active{background:var(--steel);color:#fff}
#auth-form{display:flex;flex-direction:column;gap:12px}
#auth-form input{
  padding:12px 14px;background:var(--bg);border:1px solid var(--border);
  border-radius:10px;color:var(--text);font-size:15px;outline:none;transition:border .15s;
}
#auth-form input:focus{border-color:var(--steel-light)}
.auth-error{color:#ff6b6b;font-size:13px;min-height:18px}
#verify-form{display:flex;flex-direction:column;gap:12px}
#verify-form input{
  padding:12px 14px;background:var(--bg);border:1px solid var(--border);
  border-radius:10px;color:var(--text);font-size:20px;letter-spacing:6px;text-align:center;outline:none;transition:border .15s;
}
#verify-form input:focus{border-color:var(--steel-light)}
.verify-hint{color:var(--text-dim);font-size:13px;text-align:center;line-height:1.5;margin-bottom:2px}
.link-btn{background:none;border:none;color:var(--steel-light);font-size:13px;text-decoration:underline;padding:4px}
.link-btn:hover{color:var(--text)}
.btn-primary{
  padding:12px;background:var(--steel);color:#fff;border:none;border-radius:10px;
  font-weight:600;font-size:15px;transition:background .15s;
}
.btn-primary:hover{background:var(--steel-light)}
.btn-secondary{
  padding:12px;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:10px;
  font-weight:600;font-size:15px;transition:background .15s;
}
.btn-secondary:hover{background:var(--sidebar-hover)}

/* ============ DRAG & DROP ============ */
.drop-overlay{
  position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  background:rgba(46,92,138,.18);backdrop-filter:blur(2px);border:3px dashed var(--steel-light);
}
.drop-overlay-inner{text-align:center;color:#fff;font-size:20px;font-weight:600}
.drop-icon{font-size:48px;margin-bottom:10px}

/* ============ TOAST ============ */
.toast-container{
  position:fixed;bottom:24px;right:24px;z-index:100;display:flex;flex-direction:column;gap:10px;
  max-width:340px;
}
.toast{
  background:var(--card);border:1px solid var(--border);border-radius:10px;padding:13px 16px;
  font-size:14px;color:var(--text);box-shadow:0 10px 30px rgba(0,0,0,.35);
  display:flex;align-items:flex-start;gap:10px;animation:toast-in .2s ease;
}
.toast.error{border-color:#7a2c2c}
.toast.success{border-color:#2c6e4f}
.toast .toast-icon{flex-shrink:0;font-size:16px}
.toast .toast-text{flex:1;line-height:1.4}
.toast .toast-close{background:none;border:none;color:var(--text-dim);font-size:14px;flex-shrink:0}
.toast.fade-out{animation:toast-out .2s ease forwards}
@keyframes toast-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes toast-out{to{opacity:0;transform:translateY(10px)}}

/* ============ CONFIRM MODAL ============ */
.confirm-card{max-width:380px;text-align:center}
.confirm-message{font-size:15px;line-height:1.5;margin-bottom:20px}
.confirm-actions{display:flex;gap:10px}
.confirm-actions button{flex:1}

/* ============ APP LAYOUT ============ */
.app{display:flex;height:100vh;height:100dvh;overflow:hidden}

/* ---- Sidebar ---- */
.sidebar{
  width:270px;background:var(--sidebar);border-right:1px solid var(--border);
  display:flex;flex-direction:column;flex-shrink:0;overflow:hidden;
  transition:width .22s ease,margin-left .25s;
}
.sidebar-backdrop{display:none}
.sidebar-top{padding:12px;display:flex;flex-direction:column;gap:8px}
.sidebar-toggle{
  align-self:flex-start;width:34px;height:34px;border-radius:8px;background:none;border:none;
  color:var(--text-dim);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .12s,color .12s;
}
.sidebar-toggle:hover{background:var(--sidebar-hover);color:var(--text)}
.new-chat-btn{
  width:100%;display:flex;align-items:center;gap:8px;justify-content:center;
  padding:11px;background:var(--steel);color:#fff;border:none;border-radius:10px;
  font-weight:600;font-size:14px;transition:background .15s;flex-shrink:0;
}
.new-chat-btn:hover{background:var(--steel-light)}

/* ---- Yopilgan holat (faqat desktop): tor "rail" sifatida qoladi ---- */
@media(min-width:761px){
  .sidebar.collapsed{width:60px}
  .sidebar.collapsed .sidebar-top{align-items:center}
  .sidebar.collapsed .new-chat-btn{width:34px;height:34px;padding:0;border-radius:8px}
  .sidebar.collapsed .new-chat-btn span{display:none}
  .sidebar.collapsed .chat-list,
  .sidebar.collapsed .usage-box,
  .sidebar.collapsed .user-email,
  .sidebar.collapsed .logout-btn{display:none}
  .sidebar.collapsed .sidebar-bottom{display:flex;flex-direction:column;align-items:center;gap:4px}
  .sidebar.collapsed .side-link{width:34px;height:34px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:16px}
  .sidebar.collapsed .side-link span{display:none}
  .sidebar.collapsed .user-row{flex-direction:column;gap:6px}
}
.chat-list{flex:1;overflow-y:auto;padding:4px 8px}
.chat-list-empty{padding:18px 12px;text-align:center;color:var(--text-dim);font-size:13px;line-height:1.5;white-space:pre-line}
.chat-group-label{padding:14px 12px 4px;font-size:11px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;color:var(--text-dim)}
.chat-item{
  display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:9px;
  color:var(--text-dim);font-size:14px;cursor:pointer;margin-bottom:2px;
  white-space:nowrap;overflow:hidden;transition:background .12s;
}
.chat-item:hover{background:var(--sidebar-hover);color:var(--text)}
.chat-item.active{background:var(--sidebar-hover);color:var(--text)}
.chat-item .title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chat-item .edit,.chat-item .del{
  opacity:0;color:var(--text-dim);background:none;border:none;flex-shrink:0;
  padding:5px;border-radius:6px;display:flex;align-items:center;justify-content:center;
}
.chat-item .edit:hover,.chat-item .del:hover{background:rgba(255,255,255,.08)}
.chat-item:hover .edit,.chat-item:hover .del{opacity:1}
.chat-item .edit:hover{color:var(--steel-light)}
.chat-item .del:hover{color:#ff6b6b}
.chat-item .title-edit{
  flex:1;min-width:0;background:var(--bg);border:1px solid var(--steel-light);border-radius:6px;
  color:var(--text);font-size:14px;padding:3px 6px;outline:none;
}

.sidebar-bottom{padding:12px;border-top:1px solid var(--border)}
.usage-box{font-size:12px;color:var(--text-dim);margin-bottom:10px;padding:8px 10px;background:var(--bg);border-radius:8px}
.usage-box .bar{height:5px;background:var(--border);border-radius:3px;margin-top:6px;overflow:hidden}
.usage-box .bar i{display:block;height:100%;background:var(--amber)}
.usage-box.premium{color:var(--amber)}
.side-link{
  width:100%;text-align:left;padding:9px 10px;background:none;border:none;
  color:var(--text-dim);font-size:13px;border-radius:8px;margin-bottom:8px;
}
.side-link:hover{background:var(--sidebar-hover);color:var(--text)}
.user-row{display:flex;align-items:center;gap:8px}
.avatar{
  width:30px;height:30px;border-radius:50%;background:var(--steel);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;flex-shrink:0;
}
.user-email{flex:1;font-size:13px;color:var(--text-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.logout-btn{background:none;border:none;color:var(--text-dim);font-size:16px}
.logout-btn:hover{color:#ff6b6b}

/* ---- Main ---- */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  display:flex;align-items:center;gap:12px;padding:12px 18px;
  border-bottom:1px solid var(--border);background:var(--main);
}
.menu-btn{display:none;align-items:center;justify-content:center;width:32px;height:32px;background:none;border:none;color:var(--text);font-size:18px;border-radius:7px;flex-shrink:0;transition:background .12s}
.menu-btn:hover{background:var(--sidebar-hover)}
.topbar-title{font-weight:600;font-size:15px;color:var(--text-dim);letter-spacing:.3px}
.mode-switch{display:flex;gap:4px;background:var(--sidebar);border-radius:10px;padding:4px}
.mode-switch button{
  padding:7px 14px;border:none;background:transparent;color:var(--text-dim);
  border-radius:7px;font-size:13px;font-weight:600;transition:all .12s;
}
.mode-switch button.active{background:var(--steel);color:#fff}

.messages{flex:1;overflow-y:auto;padding:24px 0;position:relative}
.scroll-bottom-btn{
  position:absolute;bottom:90px;left:50%;transform:translateX(-50%);
  width:36px;height:36px;border-radius:50%;background:var(--card);border:1px solid var(--border);
  color:var(--text);display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:0 4px 16px rgba(0,0,0,.3);z-index:5;transition:background .15s;
}
.scroll-bottom-btn:hover{background:var(--sidebar-hover)}
.send-btn.stop-mode{background:#ff6b6b}
.send-btn.stop-mode:hover{background:#ff8787}
.welcome{max-width:620px;margin:60px auto;text-align:center;padding:0 20px}
.welcome h2{font-size:26px;font-weight:700;letter-spacing:-.5px;margin-bottom:10px}
.welcome p{color:var(--text-dim);margin-bottom:24px}
.examples{display:flex;flex-direction:column;gap:10px;max-width:440px;margin:0 auto}
.examples button{
  padding:13px 16px;background:var(--card);border:1px solid var(--border);
  border-radius:11px;color:var(--text);font-size:14px;text-align:left;transition:all .12s;
}
.examples button:hover{border-color:var(--steel-light);background:var(--sidebar-hover)}
.examples .ex-icon{margin-right:4px;display:inline-flex;vertical-align:-3px}
.inline-icon{display:inline-flex;vertical-align:-3px;flex-shrink:0}
.inline-icon svg{display:block}
.side-link .inline-icon,.settings-tab .inline-icon,.theme-btn .inline-icon,.about-list .inline-icon{vertical-align:-2px}

.msg{max-width:760px;margin:0 auto 26px;padding:0 20px;display:flex;gap:14px}
.msg .role-icon{
  width:30px;height:30px;border-radius:8px;flex-shrink:0;display:flex;
  align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.msg.assistant .role-icon{background:var(--amber);color:#1a1206}
.msg .body{flex:1;min-width:0;padding-top:3px}

/* Foydalanuvchi xabari — o'ng tomonda, ballon ko'rinishida */
.msg.user{flex-direction:row-reverse;justify-content:flex-start}
.msg.user .role-icon{display:none}
.msg.user .body{
  flex:0 1 auto;max-width:75%;background:var(--user-bubble);
  padding:10px 16px;border-radius:18px;padding-top:10px;
}
.msg.user .body p{margin-bottom:0}
.msg .body p{margin-bottom:10px}
.msg .body h1,.msg .body h2,.msg .body h3{margin:14px 0 8px;font-weight:700;line-height:1.3}
.msg .body h1{font-size:20px}.msg .body h2{font-size:18px}.msg .body h3{font-size:16px}
.msg .body ul,.msg .body ol{margin:8px 0 10px 22px}
.msg .body li{margin-bottom:4px}
.msg .body code{background:var(--sidebar);padding:2px 6px;border-radius:5px;font-size:13px}
.msg .body pre{background:var(--sidebar);padding:12px;border-radius:9px;overflow-x:auto;margin:0}
.msg .body pre code{background:none;padding:0}
.msg .body strong{color:#fff;font-weight:700}
.msg .body table{border-collapse:collapse;margin:10px 0;width:100%}
.msg .body th,.msg .body td{border:1px solid var(--border);padding:7px 10px;font-size:14px}
.msg .body .code-block{margin:10px 0;border:1px solid var(--border);border-radius:9px;overflow:hidden}
.msg .body .code-block pre{margin:0;border-radius:0}
.msg .body .code-block-header{
  display:flex;align-items:center;justify-content:space-between;padding:6px 8px;
  background:var(--card);border-bottom:1px solid var(--border);
}
.msg .body .code-block-actions{display:flex;gap:4px}
.msg .body .code-icon-btn{
  background:none;border:none;color:var(--text-dim);font-size:12px;padding:4px 9px;
  border-radius:6px;cursor:pointer;transition:all .15s;
}
.msg .body .code-icon-btn:hover{color:var(--text);background:var(--sidebar-hover)}
.msg-actions{display:flex;gap:2px;margin-top:10px;opacity:.85;transition:opacity .15s}
.msg-actions:hover{opacity:1}
.msg-action-btn{
  width:30px;height:30px;border-radius:7px;background:none;border:none;color:var(--text-dim);
  display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .15s;
}
.msg-action-btn:hover{background:var(--sidebar-hover);color:var(--text)}
.msg-action-btn.like-btn.active{color:#4ade80}
.msg-action-btn.dislike-btn.active{color:#ff6b6b}
.cursor{display:inline-block;width:8px;height:16px;background:var(--amber);margin-left:2px;animation:blink 1s infinite;vertical-align:text-bottom}
@keyframes blink{50%{opacity:0}}

/* ---- Composer ---- */
.composer{padding:14px 20px 22px;background:var(--main)}
.composer-inner{
  max-width:760px;margin:0 auto;display:flex;align-items:center;gap:6px;
  background:var(--composer-bg);border:1px solid var(--border);border-radius:30px;
  padding:6px 6px 6px 8px;transition:border-color .15s,box-shadow .15s,background-color .2s;
}
.composer-inner:focus-within{border-color:var(--composer-border-focus);box-shadow:0 0 0 3px rgba(127,127,127,.08)}
#input{
  flex:1;background:none;border:none;color:var(--text);font-size:16px;
  resize:none;outline:none;max-height:180px;padding:9px 4px;line-height:1.5;
}
#input::placeholder{color:var(--text-dim)}
.send-btn{
  width:36px;height:36px;border-radius:50%;background:var(--send-bg);color:var(--send-fg);
  border:none;display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:transform .12s,background .15s;
}
.send-btn svg path{fill:var(--send-fg)}
.send-btn:hover{background:var(--send-hover)}
.send-btn:active{transform:scale(.92)}
.send-btn:disabled{background:var(--send-disabled);cursor:not-allowed}
.send-btn:disabled svg path{fill:var(--text-dim)}
.composer-hint{max-width:760px;margin:8px auto 0;text-align:center;font-size:12px;color:var(--text-dim)}

.attach-btn{
  width:36px;height:36px;border-radius:50%;background:var(--attach-bg);color:var(--attach-fg);
  border:none;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s;
}
.attach-btn:hover{background:var(--attach-hover);color:var(--text)}

.attach-preview{max-width:760px;margin:0 auto 10px;display:flex;flex-wrap:wrap;gap:8px}
.attach-chip{
  position:relative;display:flex;align-items:center;gap:6px;background:var(--card);
  border:1px solid var(--border);border-radius:9px;padding:6px 10px;font-size:13px;max-width:220px;
}
.attach-chip img{width:32px;height:32px;object-fit:cover;border-radius:6px;flex-shrink:0}
.attach-chip .chip-icon{font-size:18px}
.attach-chip .chip-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.attach-chip .chip-remove{
  background:none;border:none;color:var(--text-dim);font-size:13px;margin-left:2px;flex-shrink:0;
}
.attach-chip .chip-remove:hover{color:#ff6b6b}
.attach-chip .chip-spin{
  width:14px;height:14px;border-radius:50%;border:2px solid var(--border);border-top-color:var(--steel-light);
  animation:spin .7s linear infinite;flex-shrink:0;
}
@keyframes spin{to{transform:rotate(360deg)}}

.msg-attachments{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.att-img-box{max-width:240px;border-radius:10px;overflow:hidden;border:1px solid var(--border)}
.att-img-box img{display:block;width:100%;max-height:240px;object-fit:cover;background:var(--sidebar)}
.att-doc-chip{
  display:flex;align-items:center;gap:6px;background:var(--card);border:1px solid var(--border);
  border-radius:9px;padding:8px 12px;font-size:13px;color:var(--text-dim);
}
.att-doc-chip:hover{border-color:var(--steel-light);color:var(--text)}

/* ============ MODAL ============ */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.modal-card{background:var(--card);border:1px solid var(--border);border-radius:16px;width:100%;max-width:560px;max-height:85vh;overflow-y:auto;padding:24px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.modal-head h3{font-size:18px}
.close-btn{background:none;border:none;color:var(--text-dim);font-size:18px}
.modal hr{border:none;border-top:1px solid var(--border);margin:20px 0}
.modal h4{margin-bottom:10px;font-size:15px}
.upload-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.upload-row input[type=text],.upload-row input[type=email]{flex:1;min-width:140px;padding:10px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text)}
.upload-row input[type=number]{padding:10px;background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text)}
.file-input-label{
  flex:1;min-width:140px;padding:10px;background:var(--bg);border:1px solid var(--border);border-radius:8px;
  color:var(--text-dim);font-size:14px;cursor:pointer;display:flex;align-items:center;transition:border-color .15s;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.file-input-label:hover{border-color:var(--steel-light);color:var(--text)}
.upload-status{font-size:13px;color:var(--text-dim);min-height:18px;margin-bottom:10px}
.doc-list{display:flex;flex-direction:column;gap:6px}
.doc-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;background:var(--bg);border-radius:8px;font-size:14px}
.doc-item .meta{color:var(--text-dim);font-size:12px}
.doc-item button{background:none;border:none;color:#ff6b6b;font-size:14px}

/* ============ FOYDALANUVCHILAR JADVALI ============ */
.user-table-wrap{max-height:220px;overflow-y:auto;border:1px solid var(--border);border-radius:8px;margin-bottom:4px}
.user-table{width:100%;border-collapse:collapse;font-size:13px}
.user-table th{
  position:sticky;top:0;background:var(--sidebar);color:var(--text-dim);text-align:left;
  padding:8px 10px;font-weight:600;font-size:12px;border-bottom:1px solid var(--border);
}
.user-table td{padding:8px 10px;border-bottom:1px solid var(--border);color:var(--text)}
.user-table tr:last-child td{border-bottom:none}
.user-table tbody tr{cursor:pointer;transition:background .12s}
.user-table tbody tr:hover{background:var(--sidebar-hover)}
.badge{display:inline-block;padding:2px 7px;border-radius:6px;font-size:11px;font-weight:600;margin-right:4px}
.badge.premium{background:var(--amber-soft);color:var(--amber)}
.badge.admin{background:#1d3a26;color:#4ade80}
.badge.free{background:var(--bg);color:var(--text-dim)}

/* ============ SOZLAMALAR ============ */
.settings-tabs{display:flex;gap:4px;background:var(--bg);border-radius:10px;padding:4px;margin-bottom:18px;flex-wrap:wrap}
.settings-tab{flex:1;min-width:90px;padding:8px 6px;border:none;background:transparent;color:var(--text-dim);border-radius:7px;font-weight:600;font-size:12.5px;transition:all .12s}
.settings-tab.active{background:var(--steel);color:#fff}
.settings-pane{display:flex;flex-direction:column;gap:4px}
.settings-label{font-size:12.5px;color:var(--text-dim);margin:10px 0 2px;font-weight:600}
.settings-pane input{
  padding:11px 13px;background:var(--bg);border:1px solid var(--border);border-radius:9px;
  color:var(--text);font-size:14px;outline:none;
}
.settings-pane input:focus{border-color:var(--steel-light)}
.settings-pane input:disabled{color:var(--text-dim);cursor:not-allowed}
.settings-pane .btn-primary{margin-top:14px}

.theme-switch{display:flex;gap:8px;flex-wrap:wrap}
.theme-btn{
  flex:1;min-width:110px;padding:12px;background:var(--bg);border:1px solid var(--border);
  border-radius:10px;color:var(--text);font-weight:600;font-size:14px;transition:all .12s;
}
.theme-btn:hover{border-color:var(--steel-light)}
.theme-btn.active{background:var(--steel);border-color:var(--steel);color:#fff}

.about-box{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.about-box .meta{color:var(--text-dim);font-size:12px;margin-top:2px}
.about-text{color:var(--text-dim);font-size:14px;line-height:1.6;margin-bottom:14px}
.about-list{list-style:none;display:flex;flex-direction:column;gap:8px;font-size:14px}

/* ============ MOBILE ============ */
@media(max-width:760px){
  .sidebar{position:fixed;z-index:40;height:100%;width:270px;margin-left:-270px;box-shadow:4px 0 24px rgba(0,0,0,.4)}
  .menu-btn{display:flex}
  .sidebar.open{margin-left:0}
  .sidebar-backdrop.show{
    display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:39;
  }
  .msg,.composer-inner,.composer-hint{padding-left:14px;padding-right:14px}
  .mode-switch button{padding:7px 10px;font-size:12px}
  .toast-container{left:14px;right:14px;bottom:14px;max-width:none}

  /* Hover bilan ko'rinadigan tugmalar mobilda doim ko'rinsin (tap uchun) */
  .chat-item .edit,.chat-item .del{opacity:1}
  .chat-item{padding:11px 10px}

  /* Modal oynalar: kichik ekranga moslab padding kamaytirildi */
  .modal{padding:10px}
  .modal-card{padding:16px;max-height:90vh}
  .modal-head h3{font-size:16px}

  /* Sozlamalar tablari: 2x2 jadval qilib tartibga solindi */
  .settings-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px}
  .settings-tab{min-width:0;font-size:12px;padding:9px 4px}

  /* Tema/til tugmalari: ustun-ustun joylashadi, siqilib ketmaydi */
  .theme-switch{flex-direction:column}
  .theme-btn{min-width:0;width:100%}

  /* Admin panel inputlari: ustma-ust joylashadi, qiyshiq bo'lib qolmaydi */
  .upload-row{flex-direction:column}
  .upload-row input,.upload-row button{width:100%;min-width:0}

  .attach-preview{padding:0 4px}
  .composer{padding:10px 10px 14px}
}