:root{--primary:#696CFF;--primary-strong:#5E61E6;--primary-light:rgba(105,108,255,0.16);--secondary:#8592A3;--danger:#FF3E1D;--warning:#FFAB00;--success:#71DD37;--bg:#F5F5F9;--panel:#FFFFFF;--panel-soft:#F8F7FA;--ink:#22303E;--sub:#566A7F;--muted:#8592A3;--line:rgba(46,38,61,0.12);--line-strong:rgba(46,38,61,0.22);--shadow:0 2px 6px rgba(46,38,61,0.14);--shadow-md:0 4px 18px rgba(46,38,61,0.10);--radius-xl:8px;--radius-lg:6px;--radius-md:6px;--sidebar-w:260px;--navbar-h:64px}*{box-sizing:border-box}body,html{margin:0;min-height:100vh;font-family:IBM Plex Sans,Noto Sans TC,system-ui,sans-serif;font-size:15px;color:var(--ink);background:var(--bg)}h1,h2,h3,h4,p{margin:0}.app-layout{display:flex;min-height:100vh}.app-sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;overflow:hidden;z-index:100}.sidebar-brand{padding:0 12px 0 16px;height:var(--navbar-h);display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid var(--line);flex-shrink:0}.sidebar-brand-main{min-width:0;display:flex;align-items:center;gap:10px}.sidebar-logo-icon{width:32px;height:32px;background:var(--primary);color:#fff;border-radius:6px;display:grid;place-items:center;font-size:16px;font-weight:700;flex-shrink:0}.sidebar-logo-text{font-size:15px;font-weight:700;color:var(--ink);line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-version{display:inline-flex;align-items:center;justify-content:center;min-height:24px;padding:2px 8px;border-radius:999px;border:1px solid var(--line);background:var(--panel-soft);color:var(--muted);font-size:11px;font-weight:700;flex-shrink:0}.sidebar-nav{flex:1 1;padding:12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}.sidebar-section-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);padding:12px 8px 4px;margin:0}.sidebar-nav-link{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:var(--radius-md);text-decoration:none;font-size:14px;font-weight:500;color:var(--sub);transition:background .12s,color .12s}.sidebar-nav-icon{width:16px;height:16px;display:inline-grid;place-items:center;color:currentColor;opacity:.92;flex-shrink:0}.sidebar-nav-icon svg{width:16px;height:16px}.sidebar-nav-link:hover{background:rgba(105,108,255,.08);color:var(--primary)}.sidebar-nav-link.active{background:var(--primary-light);color:var(--primary);font-weight:600}.sidebar-account{padding:14px 12px 16px;border-top:1px solid var(--line);background:linear-gradient(180deg,#ffffff,#f8f7fa);display:grid;grid-gap:10px;gap:10px;flex-shrink:0}.sidebar-account-main{display:flex;align-items:center;gap:12px}.sidebar-avatar{width:48px;height:48px;border-radius:50%;background:#dfe4ed;color:#7f8ca1;display:grid;place-items:center;font-size:24px;font-weight:700;flex-shrink:0}.sidebar-account-text{min-width:0;display:grid;grid-gap:2px;gap:2px}.sidebar-account-name{font-size:18px;line-height:1.2;font-weight:700;color:#25304a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-account-role{font-size:16px;line-height:1.2;color:#8c9aaf;font-weight:700}.sidebar-account-email{margin:0;color:var(--muted);font-size:12px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-signout{width:100%;justify-content:center}.app-main{flex:1 1;margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}.app-navbar{position:-webkit-sticky;position:sticky;top:0;height:var(--navbar-h);background:var(--panel);border-bottom:1px solid var(--line);padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;z-index:90;box-shadow:0 1px 0 var(--line)}.app-navbar-left{display:flex;flex-direction:column;justify-content:center;gap:2px}.app-content{flex:1 1;padding:24px}.content-compact{width:min(1400px,100%);margin:0 auto;display:grid;grid-gap:16px;gap:16px}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:28px 20px;background:var(--bg)}.auth-card{width:min(440px,100%)}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow)}.section{padding:20px 24px;display:grid;grid-gap:14px;gap:14px}.button{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:var(--radius-md);padding:9px 20px;font-size:14px;font-weight:500;line-height:1;cursor:pointer;background:var(--primary);color:#ffffff;text-decoration:none;transition:background .15s,box-shadow .15s;white-space:nowrap}.button:hover{background:var(--primary-strong);box-shadow:0 4px 12px rgba(105,108,255,.4)}.button.secondary{background:transparent;color:var(--primary);border:1px solid var(--primary)}.button.secondary:hover{background:var(--primary-light);box-shadow:none}.button.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.button.danger:hover{background:rgba(255,62,29,.08);box-shadow:none}.button:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.button-compact{padding:7px 12px;font-size:12px;line-height:1.2}.input,select,textarea{width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-md);padding:9px 14px;font-size:14px;font-family:inherit;background:var(--panel);color:var(--ink);transition:border-color .15s,box-shadow .15s}.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(105,108,255,.16)}textarea{min-height:96px;resize:vertical}.muted{font-size:13px}.label,.muted{color:var(--muted)}.label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}.shell-title{font-size:22px;font-weight:700;line-height:1.2;color:var(--ink)}.shell-subtitle{margin-top:2px;font-size:13px;color:var(--muted)}.shell-userbox{display:flex;gap:10px;align-items:center;flex-shrink:0}.shell-userbox-mobile{display:none}.user-pill{display:inline-flex;align-items:center;border:1px solid var(--line-strong);background:var(--panel-soft);color:var(--sub);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600}.shell-header{margin-bottom:16px}.shell-topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.tab-bar{display:inline-flex;padding:4px;border:1px solid var(--line-strong);border-radius:var(--radius-xl);background:var(--panel-soft);gap:4px}.tab-button{border:0;background:transparent;color:var(--sub);font-weight:500;font-size:14px;border-radius:var(--radius-md);padding:7px 16px;cursor:pointer;transition:background .12s,color .12s}.tab-button.active{background:var(--panel);color:var(--primary);font-weight:600;box-shadow:var(--shadow)}.grid{display:grid;grid-gap:20px;gap:20px;grid-template-columns:320px 1fr}.chat-layout{grid-template-columns:clamp(400px,34vw,520px) minmax(0,1fr)}.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar{display:grid;grid-gap:16px;gap:16px;align-content:start;max-height:calc(100vh - var(--navbar-h) - 48px);overflow-y:auto}.list{grid-gap:8px}.list,.list-item{display:grid;gap:8px}.list-item{grid-template-columns:1fr auto;grid-gap:8px;align-items:stretch}.list button{text-align:left;padding:10px 14px;border:1px solid var(--line-strong);border-radius:var(--radius-md);background:var(--panel);cursor:pointer;color:var(--ink);font-size:14px;transition:border-color .12s,background .12s}.list button:hover{border-color:var(--primary);background:rgba(105,108,255,.04)}.list button.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary);font-weight:600}.list-icon-button{width:38px;min-width:38px;padding:0;display:grid;place-items:center;color:var(--danger);border:1px solid rgba(255,62,29,.3);border-radius:var(--radius-md);background:var(--panel);cursor:pointer;transition:background .12s}.list-icon-button:hover{background:rgba(255,62,29,.08)}.list-icon-button svg{width:15px;height:15px}.app-card-grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}.compact-card-grid{gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,320px));justify-content:start}.admin-card-grid{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(auto-fit,minmax(320px,420px));justify-content:start;align-items:start}.admin-card-grid .app-card{height:100%}.admin-card-grid .actions-3{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.admin-card-grid .button{white-space:normal}.admin-users-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--panel)}.admin-users-table{width:100%;min-width:1240px;border-collapse:collapse;font-size:13px}.admin-users-table td,.admin-users-table th{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}.admin-users-table thead th{background:var(--panel-soft);color:var(--sub);text-transform:uppercase;letter-spacing:.04em;font-size:11px;font-weight:700}.admin-users-table tbody tr:last-child td{border-bottom:none}.admin-users-table tbody tr:hover{background:rgba(105,108,255,.04)}.admin-users-actions{display:flex;flex-wrap:wrap;gap:6px}.admin-users-pagination{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.admin-users-pagination-buttons{display:flex;flex-wrap:wrap;gap:8px}.app-card{border-radius:var(--radius-xl);border:1px solid var(--line);background:var(--panel);display:flex;flex-direction:column;gap:14px}.app-card h3{font-size:16px;font-weight:600;margin-bottom:4px;color:var(--ink)}.app-meta{display:grid;grid-gap:6px;gap:6px;flex:1 1}.message-grid{display:grid;grid-gap:8px;gap:8px}.message-title{font-weight:700;color:var(--ink);margin-bottom:6px}.chat{display:grid;grid-template-rows:auto minmax(0,1fr) auto;height:calc(100vh - var(--navbar-h) - 80px);max-height:calc(100vh - var(--navbar-h) - 80px);min-height:480px}.messages{overflow-y:auto;min-height:0;overscroll-behavior:contain;padding:20px;display:grid;grid-gap:12px;gap:12px;align-content:start;background:var(--bg)}.message{padding:12px 16px;border-radius:var(--radius-lg);max-width:90%;white-space:pre-wrap;line-height:1.6;border:1px solid transparent;font-size:14px}.message.user{justify-self:end;background:var(--primary);color:#fff;border-color:transparent}.message.assistant{justify-self:start;background:var(--panel);border-color:var(--line-strong);color:var(--ink);box-shadow:var(--shadow)}.message.system{justify-self:center;background:var(--panel-soft);border-color:var(--line);color:var(--muted);font-size:12px}.chat-input{padding:14px 16px;border-top:1px solid var(--line);display:grid;grid-gap:10px}.chat-head,.chat-input{gap:10px;background:var(--panel)}.chat-head{border-bottom:1px solid var(--line);padding:12px 16px;display:flex;justify-content:space-between;align-items:center}.row{grid-template-columns:1fr auto}.actions-2,.row{display:grid;grid-gap:8px;gap:8px}.actions-2{grid-template-columns:repeat(2,minmax(0,1fr))}.actions-3{display:grid;grid-gap:8px;gap:8px;grid-template-columns:repeat(3,minmax(0,1fr))}.input-group{display:grid;grid-gap:5px;gap:5px}.byok-settings{display:grid;grid-gap:10px;gap:10px}.byok-settings summary{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;cursor:pointer;list-style:none}.byok-settings summary::-webkit-details-marker{display:none}.byok-settings summary h2{margin-bottom:4px}.byok-settings-body{display:grid;grid-gap:10px;gap:10px;margin-left:4px;padding-left:12px;border-left:2px solid var(--primary-light)}.stack-16{margin-top:16px}.icon-button{width:36px;min-width:36px;height:36px;border:1px solid var(--line-strong);border-radius:var(--radius-md);background:var(--panel);color:var(--sub);display:grid;place-items:center;cursor:pointer;transition:background .12s,border-color .12s}.icon-button:hover{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.icon-button:disabled{opacity:.4;cursor:not-allowed}.icon-button svg{width:16px;height:16px}.codebox{background:#1E1B4B;color:#E0E7FF;padding:14px 16px;border-radius:var(--radius-lg);overflow-x:auto;font-size:12px;font-family:SF Mono,Fira Code,monospace}@media (max-width:1100px){.app-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid{grid-template-columns:280px 1fr}.chat-layout{grid-template-columns:minmax(340px,42%) minmax(0,1fr)}.compact-card-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.admin-card-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}}@media (max-width:900px){:root{--sidebar-w:0px}.app-sidebar{display:none}.app-main{margin-left:0}.shell-userbox-mobile{display:flex}.shell-userbox-mobile .button{padding:7px 12px;font-size:13px}.grid,.two-col{grid-template-columns:1fr}.app-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-card-grid,.compact-card-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.chat{height:60vh;max-height:60vh;min-height:400px}}@media (max-width:640px){.app-content{padding:16px}.app-card-grid{grid-template-columns:1fr}.admin-card-grid,.compact-card-grid,.content-compact{width:100%;grid-template-columns:1fr}.actions-2,.actions-3,.row{grid-template-columns:1fr}.creativity-btn-group{grid-template-columns:repeat(2,minmax(0,1fr))}}.creativity-btn-group{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:6px;gap:6px}.creativity-btn{border:1px solid var(--line-strong);border-radius:var(--radius-md);padding:8px 4px;font-size:12px;font-weight:600;cursor:pointer;background:#ffffff;color:var(--sub);transition:.15s ease;text-align:center}.creativity-btn:hover{background:#eff6ff;border-color:#93c5fd;color:var(--primary)}.creativity-btn.active{background:var(--primary);border-color:var(--primary);color:#ffffff}.password-field{position:relative}.password-field .input{padding-right:40px}.password-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--muted);padding:4px;display:grid;place-items:center}.password-toggle:hover{color:var(--primary)}.info-card{display:grid;grid-gap:4px;gap:4px;padding:12px;background:var(--panel-soft);border:1px solid var(--line);border-radius:var(--radius-md)}.info-row{display:flex;justify-content:space-between;gap:8px;font-size:13px}.info-label{color:var(--muted);font-weight:600}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700}.badge.active{background:#dcfce7;color:#15803d}.badge.admin{background:#ede9fe;color:#6d28d9}.badge.warning{background:rgba(255,171,0,.15);color:#b45309}.badge.danger{background:rgba(255,62,29,.1);color:var(--danger)}.message-card{padding:12px 16px;border-radius:var(--radius-md);border:1px solid var(--line);font-size:13px}.message-card.success{background:rgba(113,221,55,.06);border-color:rgba(113,221,55,.4);color:#15803d}.message-card.error{background:rgba(255,62,29,.06);border-color:rgba(255,62,29,.3);color:var(--danger)}.message-card.warning{background:rgba(255,171,0,.06);border-color:rgba(255,171,0,.4);color:#b45309}.modal-backdrop{position:fixed;inset:0;background:rgba(34,48,62,.45);display:grid;place-items:center;padding:16px;z-index:1200}.modal-card{width:min(560px,100%);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:18px 20px;display:grid;grid-gap:12px;gap:12px}.modal-card h3{margin:0;font-size:18px;color:var(--ink)}.modal-card p{margin:0;color:var(--sub);line-height:1.6;white-space:pre-wrap;word-break:break-word}.modal-actions{display:flex;justify-content:flex-end}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 16px;text-align:center;gap:8px;color:var(--muted)}.empty-state p{font-size:14px;line-height:1.6}.empty-state .hint{font-size:12px;color:var(--muted)}.step-badge{display:inline-flex;align-items:center;gap:4px;background:var(--primary-light);color:var(--primary);border-radius:999px;padding:3px 10px;font-size:11px;font-weight:600}.app-card-grid .app-card{transition:box-shadow .15s,transform .1s}.app-card-grid .app-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}