@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap");*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0f1117;--bg2:#161b27;--bg3:#1e2538;--bg4:#252d42;--border:#2d3748;--border2:#3d4d6a;--text:#e2e8f0;--text2:#94a3b8;--text3:#64748b;--accent:#3b82f6;--accent2:#2563eb;--accent-bg:rgba(59,130,246,.12);--green:#10b981;--green-bg:rgba(16,185,129,.12);--red:#ef4444;--red-bg:rgba(239,68,68,.1);--yellow:#f59e0b;--yellow-bg:rgba(245,158,11,.1);--radius:10px;--radius-sm:6px;--shadow:0 4px 24px rgba(0,0,0,.4);--font:"DM Sans",-apple-system,sans-serif;--mono:"JetBrains Mono",monospace}body,html{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);position:relative}.login-card{background:var(--bg2);border:1px solid var(--border);border-radius:16px;padding:48px 40px;width:420px;max-width:90vw;box-shadow:var(--shadow)}.login-header{gap:12px;margin-bottom:32px}.login-header,.login-icon{display:flex;align-items:center}.login-icon{width:44px;height:44px;background:var(--accent);border-radius:10px;justify-content:center;font-size:22px;color:#fff}.login-brand h1{font-size:24px;font-weight:700;font-family:var(--mono)}.login-badge{font-size:11px;font-weight:600;background:var(--accent-bg);color:var(--accent);padding:3px 8px;border-radius:4px;text-transform:uppercase;letter-spacing:.05em}.login-title{font-size:26px;font-weight:700;margin-bottom:8px}.login-subtitle{font-size:14px;color:var(--text2);margin-bottom:32px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:13px;font-weight:600;color:var(--text2);margin-bottom:8px}.form-input{width:100%;background:var(--bg3);border:1.5px solid var(--border);color:var(--text);padding:12px 14px;border-radius:var(--radius-sm);font-family:var(--font);font-size:14px;outline:none;transition:border-color .2s}.form-input:focus{border-color:var(--accent)}.form-error{font-size:13px;color:var(--red);margin-top:8px;padding:10px 14px;background:var(--red-bg);border-radius:var(--radius-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font);font-size:14px;font-weight:600;border:none;cursor:pointer;border-radius:var(--radius-sm);transition:all .2s;padding:12px 20px}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent2)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-full{width:100%}.btn-ghost{background:transparent;color:var(--text2);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg3);color:var(--text)}.btn-sm{padding:8px 14px;font-size:13px}.dashboard-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:24px 20px;border-bottom:1px solid var(--border)}.sidebar-brand{gap:12px}.sidebar-brand,.sidebar-icon{display:flex;align-items:center}.sidebar-icon{width:36px;height:36px;background:var(--accent);border-radius:8px;justify-content:center;font-size:18px;color:#fff}.sidebar-name{font-size:18px;font-weight:700;font-family:var(--mono)}.sidebar-badge{font-size:10px;color:var(--accent);font-weight:600;text-transform:uppercase}.sidebar-nav{flex:1 1;padding:16px 12px}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--text2);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;text-decoration:none;margin-bottom:4px}.nav-item:hover{background:var(--bg3);color:var(--text)}.nav-item.active{background:var(--accent-bg);color:var(--accent)}.nav-icon{font-size:20px}.sidebar-footer{padding:16px 12px;border-top:1px solid var(--border)}.sidebar-user{gap:12px;padding:10px 12px;margin-bottom:8px}.sidebar-user,.user-avatar{display:flex;align-items:center}.user-avatar{width:32px;height:32px;background:var(--accent-bg);border-radius:50%;justify-content:center;color:var(--accent);font-size:16px}.user-info{flex:1 1}.user-name{font-size:13px;font-weight:600}.user-role{font-size:11px;color:var(--text3)}.main-content{flex:1 1;overflow:auto;display:flex;flex-direction:column}.page-header{padding:24px 32px 20px;border-bottom:1px solid var(--border);flex-shrink:0;background:var(--bg)}.header-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.page-title{font-size:24px;font-weight:700}.page-subtitle{font-size:14px;color:var(--text2)}.page-body{padding:28px 32px;flex:1 1}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:16px;gap:16px;margin-bottom:28px}.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.stat-header{gap:12px;margin-bottom:14px}.stat-header,.stat-icon-box{display:flex;align-items:center}.stat-icon-box{width:38px;height:38px;border-radius:8px;justify-content:center;font-size:20px}.stat-label{font-size:12px;font-weight:700;color:var(--text2);text-transform:uppercase;letter-spacing:.05em}.stat-value{font-size:32px;font-weight:700;margin-bottom:4px}.stat-subtitle{font-size:12px;color:var(--text3)}.explorer-layout{display:flex;gap:20px;height:calc(100vh - 200px)}.file-tree{width:280px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:auto;padding:12px}.tree-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:6px;cursor:pointer;font-size:13px;color:var(--text2);transition:all .2s;margin-bottom:2px}.tree-item:hover{background:var(--bg3);color:var(--text)}.tree-item.selected{background:var(--accent-bg);color:var(--accent)}.file-editor{flex:1 1;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;overflow:hidden}.editor-toolbar{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--bg3)}.editor-filename,.editor-textarea{font-family:var(--mono);font-size:13px;flex:1 1}.editor-textarea{background:transparent;border:none;outline:none;color:var(--text);line-height:1.7;padding:20px;resize:none}.tester-container{display:flex;flex-direction:column;height:calc(100vh - 200px)}.tester-messages{flex:1 1;overflow:auto;padding:20px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px}.tester-message{display:flex;gap:12px;margin-bottom:16px;align-items:flex-end}.tester-message.user{flex-direction:row-reverse}.tester-avatar{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.tester-avatar.bot{background:var(--accent);color:#fff}.tester-avatar.user{background:var(--bg4);color:var(--text2)}.tester-bubble{max-width:70%;padding:12px 16px;border-radius:14px;font-size:14px;line-height:1.6}.tester-bubble.bot{background:var(--bg3);border:1px solid var(--border);border-bottom-left-radius:4px}.tester-bubble.user{background:var(--accent);color:#fff;border-bottom-right-radius:4px}.tester-input-row{display:flex;gap:12px}.tester-input{flex:1 1;background:var(--bg2);border:1.5px solid var(--border);color:var(--text);padding:12px 16px;border-radius:24px;font-family:var(--font);font-size:14px;outline:none}.tester-input:focus{border-color:var(--accent)}.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-green{background:var(--green-bg);color:var(--green)}.badge-blue{background:var(--accent-bg);color:var(--accent)}.badge-yellow{background:var(--yellow-bg);color:var(--yellow)}.flex{display:flex}.items-center{align-items:center}.gap-8{gap:8px}.gap-12{gap:12px}.text-mono{font-family:var(--mono)}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}