@font-face{font-family:IRANYekanX;src:local('IRANYekanX'),local('IRANYekanX Regular'),url('/fonts/IRANYekanX-Regular.ttf') format('truetype');font-display:swap;font-weight:400}
@font-face{font-family:IRANYekanX;src:local('IRANYekanX Bold'),url('/fonts/IRANYekanX-Bold.ttf') format('truetype');font-display:swap;font-weight:700 900}
:root{font-family:IRANYekanX,Tahoma,Arial,sans-serif;color:#eaf3f6;background:#0b1420;font-synthesis:none;--bg:#0b1420;--surface:#122131;--surface2:#182b3c;--line:#273a4b;--text:#eaf3f6;--muted:#93a6b3;--accent:#45dbc2;--accent2:#18bba5;--bubble:#183246;--mybubble:#125c59;--shadow:0 24px 70px #0006}
:root.light{--bg:#eaf0f3;--surface:#fff;--surface2:#f3f7f9;--line:#dde7eb;--text:#20313d;--muted:#718792;--accent:#009f91;--accent2:#008e83;--bubble:#f0f4f6;--mybubble:#ddf8f2;--shadow:0 24px 70px #293e5422;color:var(--text);background:var(--bg)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;overflow:hidden}body{color:var(--text);background:var(--bg)}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}.hidden{display:none!important}input,textarea,select{color:var(--text);background:var(--surface2);border:1px solid var(--line);outline:0}input:focus,textarea:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #45dbc222}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.auth-screen{height:100dvh;display:grid;grid-template-columns:1fr 1fr;background:var(--bg)}.auth-art{position:relative;overflow:hidden;background:radial-gradient(circle at 23% 70%,#103e52,transparent 40%),linear-gradient(130deg,#0d2639,#0b1725 70%);display:grid;place-items:center}.orb{position:absolute;border-radius:50%;filter:blur(1px)}.orb-one{width:460px;height:460px;background:#0f4b5a70;top:-190px;right:-120px}.orb-two{width:360px;height:360px;border:1px solid #45dbc244;bottom:-150px;left:-90px}.auth-art-card{width:min(56%,390px);aspect-ratio:1.05;border:1px solid #77dac744;background:linear-gradient(145deg,#224b5c90,#14324560);border-radius:40px;box-shadow:0 35px 80px #0007;transform:rotate(-8deg);padding:45px;backdrop-filter:blur(20px);animation:float 8s ease-in-out infinite}.art-icon{width:80px;height:80px;border-radius:26px;background:var(--accent);display:grid;place-items:center;font-size:50px;color:#10323a;box-shadow:0 15px 35px #45dbc244}.art-line{height:13px;width:80%;border-radius:20px;background:#b1e8e177;margin-top:45px}.art-line.short{width:55%;margin-top:17px;background:#7bbbb677}.art-bubbles{display:flex;gap:12px;margin-top:45px}.art-bubbles i{width:50px;height:50px;border-radius:19px;background:#2bb9aa8c}.art-bubbles i:nth-child(2){background:#75d6c796}.art-bubbles i:nth-child(3){background:#aecfc394}@keyframes float{50%{transform:translateY(-18px) rotate(-5deg)}}
.auth-panel{display:flex;flex-direction:column;padding:40px clamp(32px,8vw,116px);overflow-y:auto}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;letter-spacing:-.5px;white-space:nowrap}.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--accent);color:#143a43;display:grid;place-items:center;font-size:27px;box-shadow:0 6px 20px #45dbc233}.auth-copy{margin-top:auto;max-width:500px}.eyebrow{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.4px}.auth-copy h1{font-size:clamp(35px,4vw,62px);line-height:1.4;margin:10px 0 14px;letter-spacing:-1.8px}.auth-copy h1 em{font-style:normal;color:var(--accent)}.auth-copy p{color:var(--muted);line-height:2;margin:0}.auth-form{max-width:430px;width:100%;margin:32px 0 auto}.form-head h2{font-size:22px;margin:0 0 6px}.form-head p{color:var(--muted);font-size:13px;margin:0 0 24px}.auth-form label,.modal label{display:flex;flex-direction:column;gap:9px;font-size:13px;font-weight:700;margin:0 0 18px}.auth-form input,.modal input,.modal select{width:100%;height:48px;border-radius:13px;padding:0 15px}.primary-btn{display:flex;align-items:center;justify-content:center;gap:14px;background:var(--accent);color:#10313a;border:0;border-radius:14px;padding:13px 22px;font-weight:800;min-height:48px;transition:transform .2s,background .2s,box-shadow .2s}.primary-btn:hover{transform:translateY(-2px);background:#69ead6;box-shadow:0 12px 25px #27d6bb2e}.primary-btn span{font-size:20px}.auth-form .primary-btn{width:100%;margin-top:12px}.text-btn{border:0;background:none;color:var(--accent);font-size:13px;padding:15px 0}.auth-footer{font-size:12px;color:var(--muted);margin-top:32px}
.app-shell{height:100dvh;display:grid;grid-template-columns:minmax(300px,360px) 1fr;max-width:1800px;margin:auto;box-shadow:0 0 80px #0002}.sidebar{background:var(--surface);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.sidebar-top{display:flex;align-items:center;justify-content:space-between;padding:24px 22px 20px}.top-actions,.chat-header-actions{display:flex;gap:6px}.icon-btn{border:0;color:var(--muted);background:transparent;width:36px;height:36px;border-radius:11px;font-size:24px;display:grid;place-items:center}.icon-btn:hover,.close-btn:hover{color:var(--accent);background:var(--surface2)}.search-wrap{height:45px;margin:0 20px 23px;display:flex;align-items:center;gap:7px;padding:0 14px;border-radius:13px;background:var(--surface2);color:var(--muted);font-size:26px}.search-wrap input{border:0;background:none;flex:1;min-width:0;font-size:13px;box-shadow:none}.sidebar-section-head{padding:0 22px 10px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:12px;font-weight:800}.new-btn{border:0;width:31px;height:31px;border-radius:10px;background:var(--accent);color:#10313a;font-size:22px;line-height:1}.conversation-list{overflow:auto;flex:1;padding:0 9px 14px}.conversation-item{width:100%;border:0;background:none;color:var(--text);display:flex;align-items:center;gap:12px;text-align:right;padding:13px;border-radius:15px;transition:background .16s;min-height:76px}.conversation-item:hover,.conversation-item.active{background:var(--surface2)}.conversation-item.active{box-shadow:inset 3px 0 var(--accent)}.avatar{flex:none;width:48px;height:48px;display:grid;place-items:center;border-radius:17px;background:linear-gradient(145deg,#41d7bf,#178f9d);color:#103842;font-weight:800;font-size:19px;overflow:hidden}.avatar.purple{background:linear-gradient(145deg,#a8a4eb,#676ac1);color:#fff}.avatar.orange{background:linear-gradient(145deg,#ffd191,#d88353);color:#593219}.avatar.blue{background:linear-gradient(145deg,#8ed6ef,#448ba8);color:#163849}.conversation-copy{min-width:0;flex:1}.conversation-line{display:flex;align-items:center;gap:8px;justify-content:space-between}.conversation-line strong{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-line small{font-size:10px;color:var(--muted);white-space:nowrap}.conversation-preview{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-top:7px;color:var(--muted);font-size:12px}.conversation-preview span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.unread{min-width:19px;height:19px;border-radius:8px;background:var(--accent);color:#12343c;font-weight:800;display:grid;place-items:center;font-size:10px;padding:0 5px}.sidebar-bottom{border-top:1px solid var(--line);padding:15px 20px;display:flex;align-items:center;gap:11px}.me-avatar{width:39px;height:39px;border-radius:13px}.my-details{display:flex;flex-direction:column;min-width:0;flex:1}.my-details strong{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.my-details small{color:var(--muted);font-size:11px;direction:ltr;text-align:right}.online-dot{width:9px;height:9px;border-radius:50%;background:#42db96;box-shadow:0 0 10px #42db9688}
.chat-view{background:radial-gradient(circle at 80% 18%,#123a4133,transparent 36%),var(--bg);min-width:0;position:relative;display:flex;flex-direction:column}.empty-chat{margin:auto;text-align:center;padding:30px}.empty-illustration{width:210px;height:210px;margin:0 auto 38px;position:relative;display:grid;place-items:center}.empty-center{width:130px;height:130px;border-radius:45px;background:linear-gradient(140deg,#1d6b76,#27cbb0);box-shadow:0 30px 70px #1ebba344;display:grid;place-items:center;font-size:86px;color:#baf8ec;transform:rotate(-12deg)}.empty-orbit{position:absolute;border:1px solid #45dbc244;border-radius:50%}.empty-orbit.one{inset:5px}.empty-orbit.two{inset:-18px;opacity:.4}.empty-chat h2{font-size:24px;letter-spacing:-.5px}.empty-chat p{color:var(--muted);font-size:14px;line-height:2}.empty-chat .primary-btn{margin:28px auto 0}.active-chat{height:100%;display:flex;flex-direction:column;min-height:0}.chat-header{height:79px;flex:none;display:flex;align-items:center;gap:13px;padding:0 26px;background:var(--surface);border-bottom:1px solid var(--line)}.chat-header-copy{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}.chat-header-copy strong{font-size:15px}.chat-header-copy small{font-size:11px;color:var(--muted)}.messages{flex:1;overflow-y:auto;padding:26px max(26px,8%);display:flex;flex-direction:column;gap:12px}.message{max-width:min(68%,650px);align-self:flex-start;background:var(--bubble);border:1px solid #ffffff0b;border-radius:18px 18px 5px 18px;padding:11px 14px 8px;position:relative;min-width:85px;box-shadow:0 5px 13px #0000000a;animation:enter .22s ease-out}.message.mine{align-self:flex-end;background:var(--mybubble);border-radius:18px 18px 18px 5px}@keyframes enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-sender{color:var(--accent);font-size:11px;font-weight:800;margin-bottom:5px}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;line-height:1.8}.message.deleted .message-body{font-style:italic;color:var(--muted)}.message-meta{display:flex;justify-content:flex-end;align-items:center;gap:5px;margin-top:5px;font-size:10px;color:var(--muted)}.message-reply{border-right:2px solid var(--accent);padding:3px 8px;color:var(--muted);font-size:11px;margin-bottom:7px}.message-file{display:flex;align-items:center;gap:9px;padding:9px 10px;background:#ffffff12;border-radius:10px;color:var(--text);text-decoration:none;font-size:12px;margin-top:5px}.message-file:hover{color:var(--accent)}.message-file i{font-size:24px;font-style:normal}.reaction-row{display:flex;gap:4px;margin-top:7px}.reaction-chip{border:1px solid #45dbc255;background:#45dbc21a;color:var(--text);border-radius:9px;padding:2px 6px;font-size:11px}.message-more{position:absolute;top:4px;left:4px;border:0;background:transparent;color:var(--muted);opacity:0}.message:hover .message-more{opacity:1}.composer{flex:none;display:flex;align-items:flex-end;gap:9px;margin:0 max(24px,7%) 20px;padding:10px;background:var(--surface);border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.composer textarea{flex:1;border:0;background:none;resize:none;min-height:31px;max-height:150px;padding:6px 8px;font-size:13px;line-height:1.7;box-shadow:none}.attach-btn{width:36px;height:36px;display:grid;place-items:center;color:var(--muted);font-size:27px;cursor:pointer}.attach-btn:hover{color:var(--accent)}.send-btn{width:38px;height:38px;border:0;border-radius:12px;background:var(--accent);color:#123842;display:grid;place-items:center;font-size:19px;transform:rotate(180deg)}.reply-preview{margin:0 max(24px,7%);background:var(--surface);border-right:3px solid var(--accent);padding:8px 14px;display:flex;flex-direction:column;gap:3px;position:relative}.reply-preview span{font-size:11px;color:var(--accent)}.reply-preview strong{font-size:12px;max-width:90%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.reply-preview button{position:absolute;left:12px;top:10px;background:none;border:0;color:var(--muted);font-size:22px}
.modal{width:min(480px,calc(100vw - 30px));max-height:min(85dvh,780px);overflow:auto;border:1px solid var(--line);border-radius:23px;padding:26px;color:var(--text);background:var(--surface);box-shadow:var(--shadow)}.modal::backdrop{background:#06111ac4;backdrop-filter:blur(7px)}.modal-head{display:flex;justify-content:space-between;align-items:start;margin-bottom:22px}.modal-head small{color:var(--accent);font-size:11px;font-weight:800}.modal-head h2{font-size:21px;margin:4px 0 0}.close-btn{border:0;background:var(--surface2);color:var(--muted);width:32px;height:32px;border-radius:10px;font-size:22px}.modal .primary-btn{width:100%;margin-top:18px}.type-tabs{display:flex;gap:5px;background:var(--surface2);border-radius:13px;padding:5px;margin-bottom:22px}.type-tabs button{flex:1;border:0;background:transparent;color:var(--muted);padding:10px 3px;border-radius:10px;font-size:11px}.type-tabs button.selected{background:var(--accent);color:#10343b;font-weight:800}.user-results{max-height:245px;overflow:auto;display:flex;flex-direction:column;gap:5px}.user-result,.forward-item{display:flex;align-items:center;gap:11px;border:0;border-radius:11px;padding:9px;background:var(--surface2);color:var(--text);text-align:right;width:100%}.user-result:hover,.forward-item:hover{background:#45dbc22b}.user-result .avatar,.forward-item .avatar{width:35px;height:35px;border-radius:11px;font-size:14px}.user-result span,.forward-item span{display:flex;flex-direction:column;font-size:12px}.user-result small{color:var(--muted);direction:ltr;text-align:right}.selected-users{display:flex;gap:5px;flex-wrap:wrap;margin-top:10px}.selected-users span{background:#45dbc22b;color:var(--accent);border-radius:8px;padding:5px 8px;font-size:11px}.admin-settings{border-top:1px solid var(--line);margin-top:28px;padding-top:15px}.admin-settings h3{font-size:15px}.admin-settings p{font-size:11px;color:var(--muted);line-height:1.8}.secondary-btn{border:1px solid var(--accent);color:var(--accent);background:none;border-radius:11px;padding:9px 14px}.danger-text{color:#f38282!important;border:0;background:none;padding:12px 0}.message-options{display:flex;flex-direction:column}.message-options button{background:transparent;border:0;color:var(--text);text-align:right;padding:12px;border-radius:9px}.message-options button:hover{background:var(--surface2)}.toast{position:fixed;z-index:1000;left:50%;bottom:22px;transform:translate(-50%,20px);background:#1a4b50;color:#fff;border-radius:13px;padding:12px 18px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:.25s;font-size:12px}.toast.show{opacity:1;transform:translate(-50%,0)}.mobile-only{display:none}
@media(max-width:850px){.auth-screen{grid-template-columns:1fr}.auth-art{display:none}.auth-panel{padding:28px;max-width:550px;width:100%;margin:auto}.auth-copy{margin-top:55px}.app-shell{grid-template-columns:300px 1fr}.messages{padding:20px}.composer{margin:0 14px 14px}.reply-preview{margin:0 14px}}
@media(max-width:650px){.app-shell{display:block}.sidebar{width:100%;height:100%;border:0}.chat-view{display:none;width:100%;height:100%}.app-shell.chat-open .sidebar{display:none}.app-shell.chat-open .chat-view{display:flex}.mobile-only{display:grid}.chat-header{padding:0 12px;height:68px}.chat-header .avatar{width:39px;height:39px;border-radius:13px}.messages{padding:18px 13px}.message{max-width:83%}.empty-chat{display:none}.sidebar-top{padding:18px}.conversation-list{padding:0 8px}.composer{margin-bottom:max(10px,env(safe-area-inset-bottom))}.auth-copy h1{font-size:39px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
.call-dialog{width:min(900px,calc(100vw - 24px));height:min(720px,calc(100dvh - 24px));max-height:unset;border:1px solid var(--line);border-radius:25px;background:var(--surface);color:var(--text);padding:20px;box-shadow:var(--shadow)}.call-dialog::backdrop{background:#02080bdb;backdrop-filter:blur(9px)}.call-top{display:flex;align-items:start;justify-content:space-between}.call-top small{color:var(--accent);font-size:11px}.call-top h2{margin:3px 0 18px;font-size:21px}.call-grid{height:calc(100% - 145px);display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;overflow:auto}.call-tile{position:relative;min-height:155px;background:linear-gradient(145deg,#1d4855,#102837);border-radius:17px;overflow:hidden;display:grid;place-items:center}.call-tile video{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.call-tile audio{display:none}.call-tile .avatar{width:70px;height:70px;font-size:28px}.call-tile span{position:absolute;bottom:9px;right:10px;font-size:11px;background:#071521a8;padding:5px 9px;border-radius:8px;color:#fff}.call-controls{height:72px;display:flex;gap:10px;align-items:center;justify-content:center}.call-controls button{border:1px solid var(--line);background:var(--surface2);color:var(--text);border-radius:13px;padding:11px 16px;font-size:12px}.call-controls button.off{color:var(--muted);opacity:.65}.call-controls button.hangup{background:#df5a69;color:white;border-color:#df5a69}
.avatar-image{width:100%;height:100%;object-fit:cover}.older-btn{align-self:center;border:1px solid var(--line);background:var(--surface);color:var(--muted);border-radius:11px;padding:8px 14px;font-size:11px;margin-bottom:8px}.older-btn:hover{color:var(--accent);border-color:var(--accent)}
.message-file{border:0;width:100%;cursor:pointer;text-align:right}
.muted-text{color:var(--muted);font-size:12px}.modal h3{font-size:14px;margin:22px 0 12px}
.message{align-self:flex-end;border-radius:18px 18px 18px 5px}.message.mine{align-self:flex-start;border-radius:18px 18px 5px 18px}