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36px}.not-found-btn{display:inline-flex;align-items:center;padding:12px 24px;background:#0a0a0a;color:#fff;border-radius:6px;font-size:.875rem;font-weight:600;text-decoration:none;transition:background .2s ease}.not-found-btn:hover{background:#262626}.devp-fab-group{position:fixed;bottom:16px;right:16px;z-index:99998;display:flex;align-items:center;gap:8px}.devp-fab-mini{width:36px;height:36px;border-radius:50%;border:1px solid #2a2a2a;background:#111;color:#f5f5f5;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 6px 18px #00000040;transition:transform .12s ease,background .12s ease}.devp-fab-mini:hover{transform:translateY(-1px)}.devp-fab-mini.role-teacher{background:#4f46e5;border-color:#6366f1}.devp-fab-mini.role-student{background:#16a34a;border-color:#22c55e}.devp-fab{position:relative;z-index:99998;width:44px;height:44px;border-radius:50%;border:1px solid #2a2a2a;background:#111;color:#f5f5f5;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;font-weight:700;letter-spacing:.05em;cursor:pointer;box-shadow:0 8px 24px #00000040;display:flex;align-items:center;justify-content:center;transition:transform .15s ease,background .15s ease}.devp-fab:hover{background:#1d1d1d;transform:translateY(-1px)}.devp-fab.active{background:#4f46e5;border-color:#6366f1}.devp-overlay{position:fixed;inset:0;z-index:99997;background:#00000040;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.devp-panel{position:fixed;bottom:72px;right:16px;z-index:99999;width:420px;max-width:calc(100vw - 32px);max-height:calc(100vh - 96px);display:flex;flex-direction:column;background:#0e0e10;color:#ededed;border:1px solid #2a2a2a;border-radius:12px;box-shadow:0 24px 64px #00000073;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;overflow:hidden;animation:devp-pop .12s ease-out}@keyframes devp-pop{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.devp-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid #2a2a2a;background:linear-gradient(180deg,#161618,#0e0e10)}.devp-title{display:flex;align-items:center;gap:8px;font-weight:700}.devp-title-dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 3px #22c55e2e}.devp-close{background:transparent;border:0;color:#9a9a9a;cursor:pointer;font-size:16px;line-height:1;padding:4px 6px}.devp-close:hover{color:#fff}.devp-tabs{display:flex;gap:2px;padding:8px 8px 0;border-bottom:1px solid #1f1f22;overflow-x:auto}.devp-tabs button{background:transparent;border:0;color:#9a9a9a;padding:6px 10px;cursor:pointer;border-radius:6px 6px 0 0;font:inherit;white-space:nowrap}.devp-tabs button:hover{color:#ededed;background:#18181b}.devp-tabs button.active{color:#fff;background:#1f1f22}.devp-body{padding:12px;overflow-y:auto;flex:1;scrollbar-width:thin;scrollbar-color:#333 transparent}.devp-body::-webkit-scrollbar{width:8px}.devp-body::-webkit-scrollbar-thumb{background:#2a2a2a;border-radius:4px}.devp-section{margin-bottom:14px}.devp-section-title{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#6b6b70;margin-bottom:6px}.devp-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 8px;border-radius:6px}.devp-row+.devp-row{margin-top:2px}.devp-row:hover{background:#18181b}.devp-row .label{color:#9a9a9a}.devp-row .value{color:#ededed;font-feature-settings:"tnum" 1}.devp-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.devp-card{background:#18181b;border:1px solid #26262a;border-radius:8px;padding:8px 10px}.devp-card .k{color:#6b6b70;font-size:10px;text-transform:uppercase;letter-spacing:.06em}.devp-card .v{color:#f5f5f5;font-size:16px;font-weight:600;margin-top:2px}.devp-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:6px 10px;background:#1f1f22;color:#ededed;border:1px solid #2a2a2a;border-radius:6px;font:inherit;cursor:pointer;transition:background .1s ease,border-color .1s ease}.devp-btn:hover:not(:disabled){background:#27272b;border-color:#333}.devp-btn:disabled{opacity:.5;cursor:not-allowed}.devp-btn.primary{background:#4f46e5;border-color:#6366f1;color:#fff}.devp-btn.primary:hover:not(:disabled){background:#5b53ea}.devp-btn.danger{background:#3a1212;border-color:#5a1a1a;color:#fda4a4}.devp-btn.danger:hover:not(:disabled){background:#4a1818;color:#fecaca}.devp-btn.full{width:100%}.devp-btn-row{display:flex;gap:6px;flex-wrap:wrap}.devp-segmented{display:grid;grid-template-columns:1fr 1fr;gap:0;background:#18181b;border:1px solid #2a2a2a;border-radius:8px;padding:3px}.devp-seg{background:transparent;color:#9a9a9a;border:0;border-radius:6px;padding:6px 10px;font:inherit;font-weight:600;cursor:pointer;transition:background .1s ease,color .1s ease}.devp-seg:hover{color:#ededed}.devp-seg.active{background:#4f46e5;color:#fff}.devp-seg.active+.devp-seg.active{background:#16a34a}.devp-segmented .devp-seg:nth-child(2).active{background:#16a34a}.devp-routes{display:grid;grid-template-columns:1fr 1fr;gap:4px}.devp-route-link{display:block;padding:6px 8px;background:#18181b;border:1px solid #232327;border-radius:6px;color:#ededed;text-decoration:none;text-align:left;cursor:pointer;font:inherit}.devp-route-link:hover{background:#1f1f22;border-color:#333}.devp-route-link.current{border-color:#4f46e5;color:#c7d2fe}.devp-route-path{font-size:10px;color:#6b6b70}.devp-input,.devp-select,.devp-textarea{width:100%;background:#0e0e10;color:#ededed;border:1px solid #2a2a2a;border-radius:6px;padding:6px 8px;font:inherit}.devp-textarea{min-height:80px;resize:vertical}.devp-input:focus,.devp-select:focus,.devp-textarea:focus{outline:none;border-color:#4f46e5}.devp-pre{background:#050507;border:1px solid #1f1f22;border-radius:6px;padding:8px 10px;margin:0;white-space:pre-wrap;word-break:break-all;color:#c7c7c7;font-size:11px;max-height:220px;overflow:auto}.devp-toast{position:fixed;bottom:80px;right:16px;z-index:100000;background:#18181b;color:#ededed;border:1px solid #2a2a2a;border-left:3px solid #4f46e5;border-radius:6px;padding:8px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;box-shadow:0 12px 32px #00000059;max-width:380px;animation:devp-pop .15s ease-out}.devp-toast.error{border-left-color:#ef4444}.devp-toast.success{border-left-color:#22c55e}.devp-hint{color:#6b6b70;font-size:11px;margin-top:6px}.devp-kbd{display:inline-block;padding:1px 5px;border-radius:4px;background:#1f1f22;border:1px solid #2a2a2a;color:#c7c7c7;font-size:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}