@font-face{font-family:IRANYekanX;src:url(../font/staticfonts/IRANYekanX-regular.woff)format("woff");font-weight:400}@font-face{font-family:IRANYekanX;src:url(../font/staticfonts/IRANYekanX-bold.woff)format("woff");font-weight:700}:root{--app-height:100vh;--bg:#02070c;--panel:#070f1ab8;--panel-strong:#070f1aeb;--sidebar:#070f1a;--sidebar-muted:#cacbdb8c;--text:#e5e9f0;--muted:#cacbdb9e;--border:#cacbdb14;--user:#151d2b;--assistant:#070f1a8c;--accent:#247fff;--accent-dark:#1a6ae0;--accent-text:#81bfff;--accent-soft:#247fff24;--danger:#ff6b6b;--shadow:#0000005c;--radius:12px}@supports (height:100dvh){:root{--app-height:100dvh}}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:#070f1a}::-webkit-scrollbar-thumb{background:#0b2244}::-webkit-scrollbar-thumb:hover{background:#003d85}*{box-sizing:border-box}body{height:var(--app-height);color:var(--text);background:var(--bg);margin:0;font-family:IRANYekanX;overflow:hidden}button,textarea{font:inherit}.app-shell{max-width:1600px;height:var(--app-height);grid-template-columns:280px 1fr;margin:auto;display:grid;overflow:hidden}.sidebar{min-height:0;color:var(--text);background:var(--sidebar);border-inline-end:1px solid var(--border);flex-direction:column;gap:14px;padding:14px;display:flex}.chat-brand{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);color:var(--text);align-items:center;gap:10px;padding:10px 12px;text-decoration:none;transition:border-color .15s,background .15s;display:flex}.chat-brand:hover{background:var(--accent-soft);border-color:#247fff59}.chat-brand img{border-radius:8px;flex-shrink:0;width:36px;height:36px}.chat-brand strong{font-size:16px;line-height:1.3;display:block}.chat-brand span{color:var(--accent-text);margin-top:2px;font-size:12px;display:block}.account-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);gap:10px;padding:12px;display:grid}.account-label{color:var(--sidebar-muted);margin-bottom:3px;font-size:12px;display:block}.account-hint{color:var(--sidebar-muted);margin-top:4px;font-size:12px;line-height:1.6;display:block}.logout-button{border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--muted);cursor:pointer;text-align:center;background:#1b2534a6;padding:9px 10px;text-decoration:none;display:block}.logout-button:hover{color:var(--text);background:#263348e6}.new-chat,.conversation-item{border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);cursor:pointer;text-align:right;background:0 0}.new-chat{color:#061225;border-color:var(--accent);background:var(--accent);padding:12px 14px;font-weight:700}.new-chat:hover{background:#4d93ff}.conversation-list{flex-direction:column;gap:8px;display:flex;overflow-y:auto}.conversation-item{text-overflow:ellipsis;white-space:nowrap;border-color:#0000;flex-shrink:0;padding:11px 12px;overflow:hidden}.conversation-item:hover,.conversation-item.active{background:var(--accent-soft);border-color:#247fff73}.sidebar-empty{color:var(--sidebar-muted);margin:8px 4px;font-size:14px}.chat-panel{min-width:0;height:var(--app-height);background:0 0;grid-template-rows:auto minmax(0,1fr) auto;min-height:0;display:grid;position:relative;overflow:hidden}.chat-topbar{border-bottom:1px solid var(--border);background:var(--panel);align-items:center;gap:12px;padding:12px 18px;display:flex}.chat-topbar-copy{flex:1;min-width:0}.chat-topbar-copy h1{color:var(--text);margin:0;font-size:16px;font-weight:700;line-height:1.35}.chat-topbar-copy p{color:var(--muted);margin:2px 0 0;font-size:12px}.back-home{border-radius:var(--radius);color:var(--accent-text);background:var(--accent-soft);white-space:nowrap;border:1px solid #247fff59;flex-shrink:0;align-items:center;gap:6px;padding:8px 12px;font-size:13px;text-decoration:none;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.back-home:hover{color:#061225;border-color:var(--accent);background:var(--accent)}.back-home-arrow{font-size:14px;line-height:1}.icon-button{border:1px solid var(--border);border-radius:var(--radius);width:40px;height:40px;color:var(--text);background:var(--panel-strong);cursor:pointer;flex-shrink:0;display:none}.mobile-menu-button{box-shadow:none}.messages{background:var(--bg);min-height:0;padding:24px;overflow-y:auto}.empty-state{text-align:center;align-content:center;place-items:center;gap:8px;min-height:55vh;display:grid}.empty-state h2{color:var(--text);margin:0;font-size:26px}.empty-state p{max-width:360px;color:var(--muted);margin:0;font-size:14px;line-height:1.8}.message-row{grid-template-columns:36px minmax(0,1fr);gap:14px;width:min(100%,830px);margin-inline:auto;padding:18px 0;display:grid}.message-row.user{background:0 0}.message-row.assistant{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--assistant)}.avatar{border-radius:var(--radius);width:36px;height:36px;color:var(--text);background:#1b2534;place-items:center;font-size:13px;font-weight:700;display:grid}.assistant .avatar{color:#061225;background:var(--accent)}.bubble{text-align:right;white-space:normal;direction:rtl;min-width:0;line-height:1.85}.message-content{overflow-wrap:anywhere;unicode-bidi:plaintext}.bubble p{margin:0 0 12px}.bubble p:last-child{margin-bottom:0}.bubble h1,.bubble h2,.bubble h3{margin:0 0 12px;line-height:1.5}.bubble h1{font-size:22px}.bubble h2{font-size:19px}.bubble h3{font-size:17px}.bubble ul,.bubble ol{margin:0 0 12px;padding-inline-start:24px}.bubble li{margin:4px 0}.bubble blockquote{border-inline-start:4px solid var(--border);color:var(--muted);margin:0 0 12px;padding:4px 14px}.bubble a{color:var(--accent)}.bubble code{color:#d8e7ff;direction:ltr;background:#192235;border-radius:6px;padding:1px 6px;font-family:Consolas,Monaco,monospace;font-size:.92em;display:inline-block}.bubble pre{color:#e8f1ff;border:1px solid var(--border);direction:ltr;background:#050914;border-radius:8px;padding:44px 14px 14px;line-height:1.6;position:relative;overflow-x:auto}.bubble pre,.bubble pre code{text-align:left;unicode-bidi:plaintext}.code-copy-button{z-index:1;color:#b9c8dd;cursor:pointer;background:#111a28;border:1px solid #33425b;border-radius:8px;padding:5px 9px;font-size:12px;line-height:1.2;position:absolute;top:8px;right:8px}.code-copy-button:hover,.code-copy-button.copied{color:#061225;border-color:var(--accent);background:var(--accent)}.bubble pre code{color:inherit;background:0 0;border-radius:0;padding:0;font-size:14px;display:block}.token-usage{border-top:1px solid var(--border);color:var(--muted);margin-top:12px;padding-top:8px;font-size:12px}.message-mode-badges{flex-wrap:wrap;gap:6px;margin-bottom:8px;display:flex}.message-mode-badge{border-radius:var(--radius);width:fit-content;color:var(--accent-text);background:#247fff1f;border:1px solid #247fff59;align-items:center;padding:4px 9px;font-size:12px;line-height:1.4;display:inline-flex}.message-actions{justify-content:flex-start;margin-top:10px;display:flex}.message-action,.edit-save,.edit-cancel{border:1px solid var(--border);color:var(--text);background:var(--panel-strong);cursor:pointer;border-radius:8px;font-size:13px}.message-action{color:var(--muted);padding:5px 9px}.message-action:hover{color:var(--accent);border-color:var(--accent)}.edit-textarea{resize:none;border:1px solid var(--border);width:100%;min-height:96px;max-height:220px;color:var(--text);background:#0b111c;border-radius:8px;outline:0;padding:10px 12px;line-height:1.7}.edit-textarea:focus{border-color:var(--accent)}.edit-mode-options{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.edit-mode-option{border:1px solid var(--border);color:var(--muted);cursor:pointer;font:inherit;background:#111a28;border-radius:8px;padding:7px 10px;font-size:12px}.edit-mode-option:hover{color:var(--text);border-color:#247fff8c}.edit-mode-option.active{color:#061225;border-color:var(--accent);background:var(--accent);font-weight:700}.edit-actions{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.edit-save,.edit-cancel{padding:8px 12px}.edit-save{color:#061225;border-color:var(--accent);background:var(--accent)}.edit-save:hover{background:var(--accent-dark)}.edit-cancel{color:var(--muted)}.edit-cancel:hover{color:var(--text);border-color:#3a465e}.typing{align-items:center;gap:7px;min-height:36px;display:flex}.typing span{background:var(--muted);border-radius:999px;width:8px;height:8px;animation:1s ease-in-out infinite pulse}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}.composer{width:min(860px,100% - 32px);margin:0 auto calc(14px + env(safe-area-inset-bottom,0px));border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 26px var(--shadow);background:#070f1aeb;grid-template-columns:1fr 38px;gap:0 7px;padding:7px;transition:border-color .2s,box-shadow .2s;display:grid}.composer:focus-within{border-color:#247fff8c;box-shadow:0 10px 30px #00000052}.composer.mode-open,.composer.has-content{row-gap:7px}.composer textarea{resize:none;min-height:36px;max-height:138px;color:var(--text);background:0 0;border:0;outline:0;padding:7px 6px;line-height:1.45}.composer textarea::placeholder{color:#78869a}.composer>button{border-radius:var(--radius);color:#061225;background:var(--accent);cursor:pointer;border:0;align-self:end;width:38px;height:38px;font-size:19px}.composer>button:hover{background:#4d93ff}.composer>button:disabled{opacity:.55;cursor:not-allowed}.mode-options{z-index:5;opacity:0;pointer-events:none;border:0;flex-wrap:wrap;grid-column:1/-1;gap:8px;max-height:0;margin:0;padding:0;transition:max-height .28s,opacity .22s,transform .22s,margin .22s;display:flex;position:relative;overflow:hidden;transform:translateY(6px)}.composer.mode-open .mode-options,.composer.has-content .mode-options{opacity:1;pointer-events:auto;max-height:180px;margin-top:4px;overflow:visible;transform:translateY(0)}.mode-controls-row{align-items:center;gap:10px;min-width:0;display:flex}.task-mode-options{flex-wrap:wrap;flex:auto;gap:8px;min-width:0;display:flex}.mode-options label{cursor:pointer;position:relative}.mentor-toggle{border-inline-start:1px solid var(--border);flex:none;padding-inline-start:10px}.mode-options input{opacity:0;pointer-events:none;position:absolute}.mode-options span{border:1px solid var(--border);border-radius:var(--radius);min-width:84px;color:var(--muted);text-align:center;background:#111a28;padding:7px 10px;font-size:12px;transition:border-color .15s,color .15s,background .15s;display:block}.mentor-toggle span{border-style:dashed}.mode-options input:checked+span{border-color:var(--accent);color:#061225;background:var(--accent);font-weight:700}.mode-options input:focus-visible+span{outline:2px solid var(--accent-dark);outline-offset:2px}.mode-helper{color:var(--muted);grid-column:1/-1;margin:0;padding-inline:6px;font-size:11px;line-height:1.7}.mode-options:disabled span{opacity:.6;cursor:not-allowed}.auth-body{background:var(--bg);place-items:center;min-height:100vh;display:grid}.auth-shell{width:min(420px,100% - 32px)}.auth-panel{border:1px solid var(--border);background:var(--panel-strong);box-shadow:0 18px 48px var(--shadow);border-radius:8px;padding:28px}.auth-panel h1{margin:0 0 8px;font-size:26px}.auth-panel p{color:var(--muted);margin:0 0 20px}.auth-tabs{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:18px;display:grid}.auth-tabs button{border:1px solid var(--border);color:var(--text);cursor:pointer;background:#0f1622;border-radius:8px;padding:10px}.auth-tabs button.active{color:#061225;border-color:var(--accent);background:var(--accent);font-weight:700}.auth-form{gap:14px;display:grid}.auth-form label{color:var(--muted);gap:7px;font-size:14px;display:grid}.auth-form input{border:1px solid var(--border);width:100%;color:var(--text);font:inherit;background:#0b111c;border-radius:8px;outline:0;padding:12px}.auth-form input:focus{border-color:var(--accent)}.auth-error{min-height:20px;color:var(--danger);margin:0;font-size:13px}.auth-form button[type=submit]{color:#061225;background:var(--accent);cursor:pointer;border:0;border-radius:8px;padding:12px;font-weight:700}.auth-form button[type=submit]:hover{background:#5f9dff}.auth-form button[type=submit]:disabled{opacity:.65;cursor:not-allowed}@keyframes pulse{0%,80%,to{opacity:.35;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}@media (width<=800px){.app-shell{grid-template-columns:1fr}.sidebar{z-index:10;width:min(82vw,300px);transition:transform .2s;position:fixed;inset:0 0 0 auto;transform:translate(100%)}.sidebar.open{transform:translate(0)}.icon-button{place-items:center;display:inline-grid}.chat-topbar{gap:8px;padding:10px 12px}.chat-topbar-copy h1{font-size:14px}.chat-topbar-copy p{display:none}.back-home{padding:7px 10px;font-size:12px}.back-home span:not(.back-home-arrow){text-overflow:ellipsis;max-width:9.5em;overflow:hidden}.message-row{grid-template-columns:32px minmax(0,1fr);justify-content:stretch}.messages{padding:16px}.empty-state h2{font-size:22px}.mode-controls-row{gap:7px;display:grid}.task-mode-options{grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;display:grid}.task-mode-options label span{width:100%;min-width:0}.mentor-toggle{border-inline-start:0;width:fit-content;padding-inline-start:0}}.chatbot-seo{background:var(--panel);border:1px solid var(--border);text-align:right;border-radius:12px;max-width:620px;margin:0 auto;padding:18px 20px 20px}.chatbot-seo h2{color:var(--text);margin:16px 0 6px;font-size:16px;font-weight:700;line-height:1.5}.chatbot-seo h2:first-child{margin-top:0}.chatbot-seo p{color:var(--muted);margin:0;font-size:13px;line-height:1.9}.chatbot-seo strong{color:var(--accent-text);font-weight:700}.edit-mentor-option{border-style:dashed}.chatbot-seo-note{border-top:1px solid var(--border);padding-top:12px;margin-top:16px!important;font-size:12px!important}.chatbot-seo-cta{background:var(--accent);color:#fff;border-radius:10px;align-items:center;margin-top:12px;padding:9px 18px;font-size:14px;font-weight:700;text-decoration:none;display:inline-flex}.chatbot-seo-cta:hover{background:var(--accent-dark)}body.is-anon .account-card,body.is-anon .new-chat,body.is-anon .conversation-list{display:none}