:root{--bg: #0e1116;--panel: #161b22;--panel-2: #1f242c;--border: #2b313a;--text: #e6edf3;--text-dim: #8b949e;--accent: #4493f8;--accent-2: #1f6feb;--user: #2d4a6e;--error: #6e2929;--good: #3fb950}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-text-size-adjust:100%}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font:inherit;background:var(--accent);color:#fff;border:0;border-radius:6px;padding:8px 14px;font-weight:600}button:hover:not(:disabled){background:var(--accent-2)}button:disabled{opacity:.5;cursor:wait}button.ghost{background:transparent;border:1px solid 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.hint{font-size:13px;color:var(--text-dim);text-align:center;margin:0}.app{display:grid;grid-template-columns:280px 1fr;grid-template-rows:48px 1fr;grid-template-areas:"header header" "sidebar main";height:100%}.app-header{grid-area:header;background:var(--panel);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 16px;gap:12px}.app-header .brand{font-weight:600}.app-header .spacer{flex:1}.app-header button{background:transparent;color:var(--text-dim);padding:4px 10px;font-weight:500}.app-header button:hover{color:var(--text);background:var(--panel-2)}.app-sidebar{grid-area:sidebar;background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column}.app-main{grid-area:main;display:flex;flex-direction:column;overflow:hidden;min-width:0}.sidebar-section{padding:12px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:4px}.sidebar-section h3{margin:0 4px 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4px;font-size:12px}.chat-empty{flex:1;display:grid;place-items:center;color:var(--text-dim);font-size:14px;padding:24px;text-align:center}.chat-messages{flex:1;overflow-y:auto;padding:16px 24px;display:flex;flex-direction:column;gap:12px}.msg{max-width:760px;padding:10px 14px;border-radius:12px;background:var(--panel);white-space:pre-wrap;word-wrap:break-word;line-height:1.45}.msg.user{background:var(--user);align-self:flex-end}.msg.error{background:var(--error);border:1px solid #8a3a3a}.msg .role{font-size:11px;color:var(--text-dim);margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}.msg .attachments{font-size:12px;color:var(--text-dim);margin-top:6px;display:flex;flex-wrap:wrap;gap:4px}.msg .att-pill{background:#ffffff14;padding:2px 8px;border-radius:10px}.thinking{align-self:flex-start;color:var(--text-dim);font-size:13px;font-style:italic;padding:4px 8px}.thinking:after{content:"…";display:inline-block;animation:blink 1.2s steps(3,end) infinite}@keyframes blink{0%,20%{opacity:.2}to{opacity:1}}.chat-composer{border-top:1px solid var(--border);background:var(--panel)}.composer-attach-pills{display:flex;flex-wrap:wrap;gap:6px;padding:8px 12px 0}.attach-pill{background:var(--panel-2);padding:4px 10px;border-radius:20px;font-size:13px;display:flex;align-items:center;gap:6px}.attach-pill button{background:transparent;color:var(--text-dim);padding:0 4px;font-size:14px;border-radius:0;font-weight:400}.composer-row{padding:12px;display:flex;gap:8px;align-items:flex-end}.composer-row textarea{flex:1;resize:none;min-height:44px;max-height:240px;border-radius:22px;padding:12px 16px}.composer-row .attach-btn,.composer-row .send-btn{width:44px;height:44px;border-radius:22px;padding:0;font-size:18px;display:grid;place-items:center}.composer-row .attach-btn{background:transparent;border:1px solid var(--border);color:var(--text)}.composer-row .attach-btn:hover{background:var(--panel-2)}.admin-page{padding:24px;max-width:1100px;margin:0 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span{font-size:13px;color:var(--text-dim)}.settings-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap;margin-bottom:12px}.billing-status{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:4px}.billing-price-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;padding:12px;background:var(--panel-2);border-radius:10px;margin-bottom:14px}.months-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin:12px 0 0}.modal-backdrop{position:fixed;inset:0;background:#0009;display:grid;place-items:center;padding:16px;z-index:1000;animation:modal-fade-in .12s ease-out}@keyframes modal-fade-in{0%{opacity:0}to{opacity:1}}.modal{background:var(--panel);border:1px solid var(--border);border-radius:12px;width:100%;max-width:720px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden}.modal-header{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border)}.modal-header h2{flex:1;font-size:16px}.modal-header .ghost{font-size:22px;padding:0 10px;line-height:1}.modal-body{padding:16px 18px;overflow-y:auto;flex:1}.modal-body h3{font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim);margin:0 0 8px;font-weight:600}.modal-footer{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}.access-grid{display:grid;grid-template-columns:1fr;gap:6px}.acc-row{display:grid;grid-template-columns:160px 1fr auto;gap:12px;align-items:center;padding:8px 10px;background:var(--panel-2);border-radius:6px;font-size:13px}.acc-label{color:var(--text-dim)}.acc-value{word-break:break-all}.acc-value.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.acc-actions{display:flex;gap:4px}.acc-actions button{font-size:12px;padding:3px 8px}.cheatsheet{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:12px 14px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.55;white-space:pre-wrap;word-break:break-word;margin:8px 0 0;max-height:280px;overflow-y:auto}@media(max-width:540px){.acc-row{grid-template-columns:1fr;gap:4px}.acc-actions{justify-content:flex-end}}.back-btn{display:none}@media(max-width:900px){.app{grid-template-columns:1fr;grid-template-areas:"header" "main"}.app-sidebar{grid-area:main;border-right:0}.app:not(.chat-open) .app-main{display:none}.app.chat-open .app-sidebar{display:none}.app.chat-open .back-btn{display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--text);font-size:22px;padding:4px 10px;margin-left:-8px;font-weight:400}.app.chat-open .back-btn:hover{background:var(--panel-2)}.app-header{padding:0 12px;gap:8px}.app-header .brand{font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.chat-messages{padding:12px}.composer-row{padding:8px 8px 12px;gap:6px}.composer-row .attach-btn,.composer-row .send-btn{width:40px;height:40px}.session-item .del{opacity:1}}@media(max-width:480px){.app-header .username-dim{display:none}}