:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--primary:#cc785c;--primary-active:#a9583e;--primary-disabled:#e6dfd8;--ink:#141413;--body:#3d3d3a;--body-strong:#252523;--muted:#6c6a64;--muted-soft:#8e8b82;--hairline:#e6dfd8;--hairline-soft:#ebe6df;--canvas:#faf9f5;--surface-soft:#f5f0e8;--surface-card:#efe9de;--surface-cream-strong:#e8e0d2;--surface-dark:#181715;--surface-dark-elevated:#252320;--surface-dark-soft:#1f1e1b;--on-primary:#fff;--on-dark:#faf9f5;--on-dark-soft:#a09d96;--accent-teal:#5db8a6;--error:#c64545;--font-sans:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-display:Georgia, "Times New Roman", serif}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--canvas);color:var(--ink);font-family:var(--font-sans);margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:0}button:disabled{cursor:not-allowed}.login-shell{background:radial-gradient(circle at 14% 18%, #cc785c29, transparent 28%), linear-gradient(135deg, var(--canvas), var(--surface-soft));place-items:center;min-height:100vh;padding:24px;display:grid}.login-panel{border:1px solid var(--hairline);background:#faf9f5eb;border-radius:12px;width:min(100%,420px);padding:32px;box-shadow:0 24px 80px #2523201f}.login-brand{color:var(--muted);align-items:center;gap:10px;margin-bottom:28px;font-size:13px;font-weight:500;display:flex}.brand-mark{background:var(--ink);color:var(--canvas);font-family:var(--font-display);border-radius:999px;flex:none;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;display:inline-flex}.login-panel h1{font-family:var(--font-display);margin:0 0 10px;font-size:38px;font-weight:400;line-height:1.12}.login-panel p{color:var(--muted);margin:0 0 26px;line-height:1.55}.field{gap:8px;margin-bottom:16px;display:grid}.field label{color:var(--muted);font-size:13px;font-weight:500}.field input,.field textarea,.model-select{background:var(--canvas);border:1px solid var(--hairline);color:var(--ink);border-radius:8px;outline:none;width:100%;padding:11px 13px}.field input:focus,.field textarea:focus,.model-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #cc785c1f}.primary{background:var(--primary);color:var(--on-primary);border-radius:8px;min-height:40px;padding:12px 20px;font-size:14px;font-weight:600}.primary:hover{background:var(--primary-active)}.primary:disabled{background:var(--primary-disabled);color:var(--muted)}.ghost{color:var(--muted);background:0 0;border-radius:8px;padding:10px 12px;font-size:14px;font-weight:600}.ghost:hover{background:var(--surface-soft);color:var(--ink)}.link-button{text-decoration:none}.danger-text{color:var(--error);font-size:14px}.app-shell{background:var(--canvas);grid-template-columns:300px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{background:var(--surface-dark);color:var(--on-dark);flex-direction:column;min-height:100vh;display:flex}.sidebar-header{border-bottom:1px solid #faf9f51a;align-items:center;gap:12px;padding:20px;display:flex}.sidebar-header .brand-mark{background:var(--primary)}.sidebar-header h1{font-family:var(--font-display);margin:0 0 4px;font-size:24px;font-weight:400;line-height:1.1}.sidebar-header span{color:var(--on-dark-soft);text-overflow:ellipsis;white-space:nowrap;width:190px;font-size:13px;display:block;overflow:hidden}.conversation-list{flex-direction:column;flex:1;gap:6px;padding:14px;display:flex;overflow:auto}.new-chat-button{background:var(--surface-dark-elevated);color:var(--on-dark);text-align:left;border-radius:8px;min-height:40px;margin-bottom:8px;padding:12px 14px;font-size:14px;font-weight:600}.new-chat-button:hover{background:#302d29}.conversation-row{border-radius:8px;grid-template-columns:minmax(0,1fr) 32px;align-items:center;display:grid}.conversation-row.active,.conversation-row:hover{background:#faf9f514}.conversation-item{color:var(--on-dark-soft);text-align:left;text-overflow:ellipsis;white-space:nowrap;background:0 0;border-radius:8px;width:100%;padding:11px 12px;font-size:14px;display:block;overflow:hidden}.conversation-row.active .conversation-item,.conversation-item:hover{color:var(--on-dark)}.conversation-delete{color:var(--on-dark-soft);background:0 0;border-radius:999px;width:28px;height:28px;font-size:20px;line-height:1}.conversation-delete:hover{color:var(--on-dark);background:#faf9f51f}.main{grid-template-rows:auto minmax(0,1fr) auto;min-width:0;min-height:100vh;display:grid}.topbar{border-bottom:1px solid var(--hairline);background:#faf9f5e0;justify-content:space-between;align-items:center;gap:16px;padding:14px 22px;display:flex}.topbar-left{align-items:center;gap:14px;min-width:0;display:flex}.conversation-title{gap:2px;min-width:170px;display:grid}.conversation-title span{color:var(--muted-soft);font-size:12px;font-weight:600}.conversation-title strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:15px;font-weight:600;overflow:hidden}.model-select{background:var(--surface-soft);max-width:280px}.topbar-meta{align-items:center;gap:10px;display:flex}.provider-pill{background:var(--surface-card);border:1px solid var(--hairline);color:var(--body);border-radius:999px;padding:7px 10px;font-size:12px;font-weight:700}.chat{flex-direction:column;gap:18px;padding:28px min(5vw,56px);display:flex;overflow:auto}.empty-state{text-align:center;align-self:center;max-width:620px;margin-top:min(16vh,120px)}.empty-state span{color:var(--primary);letter-spacing:1.5px;text-transform:uppercase;font-size:12px;font-weight:700}.empty-state h2{font-family:var(--font-display);margin:14px 0 12px;font-size:46px;font-weight:400;line-height:1.08}.empty-state p{color:var(--muted);margin:0;font-size:16px;line-height:1.6}.message-row{gap:6px;max-width:880px;display:grid}.message-row.user{align-self:flex-end;justify-items:end}.message-row.assistant{align-self:flex-start;justify-items:start}.message-role{color:var(--muted-soft);font-size:12px;font-weight:700}.message{white-space:pre-wrap;border-radius:12px;padding:15px 17px;line-height:1.65}.message.user{background:var(--primary);color:var(--on-primary)}.message.assistant{background:var(--surface-card);border:1px solid var(--hairline);color:var(--body-strong)}.composer{background:linear-gradient(180deg, #faf9f500, var(--canvas) 18%);gap:10px;padding:18px min(5vw,56px) 22px;display:grid}.composer-box{background:var(--canvas);border:1px solid var(--hairline);border-radius:12px;padding:10px;box-shadow:0 18px 50px #25232014}.composer textarea{color:var(--ink);resize:vertical;background:0 0;border:0;outline:none;width:100%;min-height:92px}.composer textarea::placeholder{color:var(--muted-soft)}.composer-actions{color:var(--muted);justify-content:space-between;align-items:center;font-size:13px;display:flex}@media (max-width:820px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.topbar{flex-direction:column;align-items:stretch}.topbar-left,.topbar-meta{justify-content:space-between}.model-select{max-width:none}.empty-state h2{font-size:34px}}.admin-shell{background:var(--canvas);grid-template-columns:280px minmax(0,1fr);min-height:100vh;display:grid}.admin-sidebar{background:var(--surface-dark);color:var(--on-dark);min-height:100vh}.admin-nav{gap:8px;padding:14px;display:grid}.admin-nav button,.admin-nav a{color:var(--on-dark-soft);text-align:left;background:0 0;border-radius:8px;padding:12px 13px;font-size:14px;font-weight:600;text-decoration:none}.admin-nav button.active,.admin-nav button:hover,.admin-nav a:hover{color:var(--on-dark);background:#faf9f514}.admin-main{grid-template-rows:auto minmax(0,1fr);min-width:0;display:grid}.admin-topbar{border-bottom:1px solid var(--hairline);justify-content:space-between;align-items:center;padding:20px 28px;display:flex}.admin-topbar span{color:var(--primary);letter-spacing:1.5px;text-transform:uppercase;font-size:12px;font-weight:700}.admin-topbar h2{font-family:var(--font-display);margin:6px 0 0;font-size:34px;font-weight:400;line-height:1.15}.admin-topbar p{background:var(--surface-card);color:var(--body);border-radius:999px;margin:0;padding:8px 12px;font-size:13px;font-weight:600}.admin-content{gap:20px;padding:24px 28px 40px;display:grid;overflow:auto}.metric-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;display:grid}.metric-card,.admin-panel,.provider-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:12px}.metric-card{gap:10px;min-height:104px;padding:18px;display:grid}.metric-card span{color:var(--muted);font-size:13px;font-weight:600}.metric-card strong{color:var(--ink);font-family:var(--font-display);font-size:34px;font-weight:400}.admin-grid.two{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.admin-panel{padding:20px}.admin-panel h3{color:var(--ink);margin:0 0 16px;font-size:18px;font-weight:700}.table{gap:8px;display:grid}.table-row{border:1px solid var(--hairline-soft);color:var(--body);text-align:left;background:#faf9f58c;border-radius:8px;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) auto;align-items:center;gap:10px;min-height:42px;padding:10px 12px;font-size:13px;display:grid}.table-row span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.table-row strong{color:var(--ink)}.table-row.editable:hover{border-color:var(--primary)}.status-ok{color:#2e7d45!important}.status-error{color:var(--error)!important}.provider-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.provider-card{gap:12px;padding:16px;display:grid}.provider-card-head{justify-content:space-between;align-items:center;display:flex}.provider-card-head strong{font-size:16px}.provider-card-head label,.inline-check{color:var(--muted);align-items:center;gap:7px;font-size:13px;font-weight:600;display:flex}.provider-card input,.admin-form input,.admin-form select,.admin-form compact,.admin-form textarea{background:var(--canvas);border:1px solid var(--hairline);color:var(--ink);border-radius:8px;outline:none;width:100%;min-height:40px;padding:10px 12px}.admin-form{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:18px;display:grid}.admin-field{gap:6px;display:grid}.admin-field span{color:var(--muted);font-size:12px;font-weight:700}.admin-form.compact{grid-template-columns:1fr 1fr 160px 100px auto}.model-table .table-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;width:100%}@media (max-width:980px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{min-height:auto}.metric-grid,.admin-grid.two,.provider-grid,.admin-form,.admin-form.compact{grid-template-columns:1fr}}