:root{--bg: #0b0f14;--panel: #121821;--text: #e5eefb;--muted: #93a4bf;--line: #1f2a3a;--chip: #1a2330;--brand: #1CAFE6;--line-accent-weak: color-mix(in oklab, var(--brand) 18%, var(--line));--line-accent: color-mix(in oklab, var(--brand) 28%, var(--line));--line-strong: color-mix(in oklab, var(--brand) 45%, var(--line))}:root[data-theme=light]{--bg: #f6f8fc;--panel: #ffffff;--text: #0f172a;--muted: #435472;--line: #e5e9f2;--chip: #eef2f7;--line-accent-weak: color-mix(in oklab, var(--brand) 20%, var(--line));--line-accent: color-mix(in oklab, var(--brand) 32%, var(--line));--line-strong: color-mix(in oklab, var(--brand) 50%, var(--line))}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;background:var(--bg);color:var(--text)}.app{height:100%;display:grid;grid-template-columns:320px 1fr;grid-template-rows:100%;position:relative}.sidebar-toggle{position:absolute;top:8px;left:8px;z-index:50;width:36px;height:36px;border-radius:10px;border:1px solid var(--line-accent);background:var(--panel);color:var(--text);cursor:pointer;display:none}.sidebar{border-right:1px solid var(--line-accent);background:var(--panel);display:flex;flex-direction:column;gap:16px;padding:12px;overflow:hidden;transition:transform .2s ease}.sidebar.closed{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.branding{display:flex;align-items:center;gap:8px}.branding img{height:22px}.branding span{font-weight:600}.health{margin-left:auto;font-size:12px;padding:2px 8px;border-radius:999px;border:1px solid var(--line-accent-weak)}.health-ok{background:#063;color:#d4ffe8}.health-loading{background:#3a3a3a;color:#eee}.health-error{background:#5e1220;color:#ffd7df}.prefs{display:flex;flex-direction:column;gap:12px}.row{display:flex;gap:8px;align-items:center}.row.wrap{flex-wrap:wrap}.badge{font-size:12px;opacity:.8;min-width:110px}.seg{display:inline-flex;background:var(--chip);border-radius:10px;padding:2px;border:1px solid var(--line-accent-weak)}.seg button{border:0;background:transparent;color:var(--muted);padding:6px 10px;border-radius:8px;cursor:pointer}.seg button.on{background:var(--brand);color:#00121a;font-weight:600}.brand{display:flex;align-items:center;gap:8px}.brand .preview{width:22px;height:22px;border-radius:6px;border:1px solid var(--line-accent)}.brand input[type=color]{width:38px;height:28px;border:1px solid var(--line-accent);border-radius:6px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;padding:0}.brand .swatches{display:inline-flex;gap:6px;margin-left:4px}.brand .swatches button{width:18px;height:18px;border-radius:999px;border:1px solid var(--line-accent);cursor:pointer}input.text{flex:1;padding:8px 10px;background:var(--bg);border:1px solid var(--line-accent);border-radius:10px;color:var(--text)}.ghost{border:1px solid var(--line-accent);background:transparent;color:var(--text);padding:6px 10px;border-radius:10px;cursor:pointer}.ghost:hover{border-color:var(--brand)}.ghost.danger{border-color:#5b1a23;color:#ffccd1}.hist{display:flex;flex-direction:column;gap:10px;min-height:0}.hist-header{display:flex;align-items:center;gap:8px}.hist-header span{font-weight:600}.hist-search input{width:100%;padding:8px 10px;border-radius:10px;border:1px solid var(--line-accent);background:var(--bg);color:var(--text)}.hist-list{overflow:auto;display:flex;flex-direction:column;gap:8px;padding-right:4px}.hist-item{border:1px solid var(--line-accent);background:var(--bg);border-radius:12px;padding:10px;display:grid;grid-template-columns:1fr;gap:6px;transition:transform .08s ease,border-color .12s ease,background .12s ease;cursor:pointer}.hist-item:hover{border-color:var(--brand)}.hist-item.viewing{background:linear-gradient(0deg,color-mix(in oklab,var(--brand) 12%,transparent),transparent);border-color:var(--brand)}.hist-item .title{font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.hist-item .meta{font-size:12px;opacity:.85;display:flex;gap:8px;align-items:center}.hist-item .actions{display:flex;gap:6px;flex-wrap:wrap}.hist-item .actions button{border:1px solid var(--line-accent-weak);background:var(--panel);color:var(--text);border-radius:8px;padding:4px 8px;cursor:pointer}.hist-item .actions button:hover{border-color:var(--brand)}.hist-item .actions .danger{border-color:#5b1a23;color:#ffccd1}.main{min-width:0;display:grid;grid-template-rows:auto 1fr auto;height:100vh}.chat-header{border-bottom:1px solid var(--line-strong);padding:10px 16px;background:var(--panel)}.chat-title{font-weight:800;font-size:18px;line-height:1.2}.chat-meta{margin-top:4px;display:flex;gap:10px;align-items:center;font-size:12px;opacity:.9}.readonly-pill{margin-left:auto;background:#41231d;color:#ffdfd7;border:1px solid #5a2a20;padding:2px 8px;border-radius:999px}.chat{overflow:auto;padding:16px;display:flex;flex-direction:column;gap:14px}.msg{border:1px solid var(--line-accent);background:var(--panel);border-radius:16px;padding:12px 14px}.msg.user{border-color:var(--line-strong)}.sender{font-weight:700;margin-bottom:6px}.content{line-height:1.6}.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.chip{font-size:12px;background:var(--chip);border:1px solid var(--line-accent-weak);border-radius:999px;padding:3px 8px}.msg-actions{margin-top:8px;display:flex;gap:8px}.msg-actions button{border:1px solid var(--line-accent);background:transparent;color:var(--text);border-radius:8px;padding:4px 10px;cursor:pointer}.msg-actions button:hover{border-color:var(--brand)}.typing{opacity:.8;display:flex;align-items:center;gap:8px;padding:8px 10px}.dot{width:6px;height:6px;border-radius:999px;background:var(--muted);display:inline-block;animation:blink 1s infinite alternate}.dot:nth-child(1){animation-delay:0s}.dot:nth-child(2){animation-delay:.2s}.dot:nth-child(3){animation-delay:.4s}@keyframes blink{to{opacity:.2;transform:translateY(-2px)}}.composer{display:grid;grid-template-columns:1fr auto;gap:10px;padding:12px 16px;border-top:1px solid var(--line-strong);background:var(--panel)}.composer input{width:100%;padding:12px;border-radius:12px;border:1px solid var(--line-accent);background:var(--bg);color:var(--text)}.composer button{border:0;background:var(--brand);color:#00131a;border-radius:12px;padding:0 16px;font-weight:700;cursor:pointer}.composer button:disabled{opacity:.6;cursor:default}@media (max-width: 959px){.app{grid-template-columns:0 1fr}.sidebar-toggle{display:inline-flex;align-items:center;justify-content:center}.sidebar{position:absolute;top:0;left:0;bottom:0;width:84%;max-width:360px;z-index:40;box-shadow:0 10px 40px #00000059}.main{height:100vh}}:root{--bg: #0f1216;--bg-2: #141922;--bg-3: #1a2130;--panel: #121822;--text: #e6eef7;--text-dim: #b7c3d2;--muted: #8aa2c0;--brand: var(--brand-current, #1CAFE6);--btn-bg: #233044;--btn-fg: #e6eef7;--btn-border: #2d3c55;--btn-bg-hover: #2a3a54;--btn-border-hover: #395074;--chip-bg: #233044;--chip-fg: #d2e8f8;--input-bg: #111722;--input-border: #2a3a54;--input-fg: #e6eef7;--shadow: 0 6px 20px rgba(0,0,0,.35);--radius: 14px}:root[data-theme=light]{--bg: #f6f8fb;--bg-2: #ffffff;--bg-3: #f1f5fb;--panel: #ffffff;--text: #131722;--text-dim: #4a5568;--muted: #627089;--btn-bg: #e9eef8;--btn-fg: #0f0f16;--btn-border: #c9d5ea;--btn-bg-hover: #dde6f7;--btn-border-hover: #b8c9e6;--chip-bg: #eef4ff;--chip-fg: #0f172a;--input-bg: #ffffff;--input-border: #cdd6e6;--input-fg: #0f172a;--shadow: 0 8px 24px rgba(15, 23, 42, .08)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,"Apple Color Emoji","Segoe UI Emoji"}.app{display:grid;grid-template-columns:280px 1fr;gap:12px;height:100%;padding:12px}.sidebar{background:var(--panel);border:1px solid var(--input-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px;display:flex;flex-direction:column;gap:12px;min-height:0}.section h4{margin:.25rem 0 .5rem;font-size:.82rem;font-weight:700;color:var(--text);opacity:.9}.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.badge{background:var(--bg-3);border:1px solid var(--input-border);padding:4px 8px;border-radius:999px;font-size:.72rem;color:var(--text-dim)}.brand-preview{width:22px;height:22px;border-radius:6px;border:1px solid var(--input-border);box-shadow:inset 0 0 0 1px #0000000f}input[type=text],input[type=url],input[type=password],textarea{background:var(--input-bg);border:1px solid var(--input-border);color:var(--input-fg);padding:10px 12px;border-radius:10px;outline:none;width:100%}input::placeholder,textarea::placeholder{color:var(--muted)}input[type=color]{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;width:36px;height:28px;background:transparent;padding:0}.btn{background:var(--btn-bg);color:var(--btn-fg);border:1px solid var(--btn-border);padding:8px 12px;border-radius:10px;cursor:pointer;font-weight:600;transition:background .15s ease,border-color .15s ease,transform .05s ease}.btn:hover{background:var(--btn-bg-hover);border-color:var(--btn-border-hover)}.btn:active{transform:translateY(1px)}.btn.primary{background:var(--brand);border-color:transparent;color:#0b0f16}.btn.primary:hover{filter:brightness(1.02)}.main{background:var(--panel);border:1px solid var(--input-border);border-radius:var(--radius);box-shadow:var(--shadow);display:flex;flex-direction:column;min-height:0}.chat{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.msg{max-width:900px;padding:12px 14px;border-radius:14px;border:1px solid var(--input-border);background:var(--bg-2);box-shadow:0 1px #00000008;position:relative}.msg.user{background:linear-gradient(180deg,var(--bg-3),var(--bg-2));border-color:var(--btn-border)}.msg.assistant{border-color:var(--brand);box-shadow:0 0 0 1px color-mix(in oklab,var(--brand),transparent 60%)}.msg.assistant:before{content:"";position:absolute;left:-1px;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--brand);opacity:.95}.msg .sender{font-weight:700;margin-bottom:6px;color:var(--text-dim);font-size:.85rem}.msg .content{line-height:1.55;white-space:pre-wrap;word-wrap:break-word}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}.chip{background:var(--chip-bg);color:var(--chip-fg);border:1px solid var(--btn-border);padding:6px 10px;border-radius:999px;font-size:.75rem}.composer{padding:12px;border-top:1px solid var(--input-border);display:flex;gap:8px;align-items:center}.composer .text{flex:1;display:flex;gap:8px;align-items:center;background:var(--input-bg);border:1px solid var(--input-border);border-radius:12px;padding:8px 10px}.composer .text input{border:none;background:transparent;width:100%;padding:8px 6px}.typing{display:inline-flex;gap:6px;align-items:center;color:var(--muted)}.typing .dot{width:6px;height:6px;border-radius:50%;background:var(--muted);animation:blink 1s infinite}.typing .dot:nth-child(2){animation-delay:.15s}.typing .dot:nth-child(3){animation-delay:.3s}@keyframes blink{0%,80%,to{opacity:.2}40%{opacity:1}}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.login-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000059}.login-card{width:360px;background:var(--panel);border:1px solid var(--input-border);border-radius:16px;box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;gap:10px}.login-card h3{margin:8px 0 2px}@media (max-width: 1000px){.app{grid-template-columns:1fr}.sidebar{order:2}.main{order:1}}