.deadlock-cycle{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px;margin-top:24px;padding:23px;border-radius:17px;background:#071b32;color:white}.deadlock-cycle article{min-width:180px;padding:18px;border:1px solid #376080;border-radius:13px;background:#0d2d4a}.deadlock-cycle strong{display:block;color:#69deed;font-size:1.25rem}.deadlock-cycle span{display:block;margin:6px 0;color:#c4d8e8}.deadlock-cycle b{color:#ffe176}.deadlock-cycle i{color:#f2bf2e;font-size:1.7rem;font-style:normal}.cycle-return{padding:9px 13px;border-radius:99px;background:#493d0f;color:#ffe78b;font-weight:850}.distinction-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:17px}.distinction-grid article{padding:18px;border-top:4px solid #196ddd;border-radius:13px;background:#f3f7fc}.distinction-grid article:nth-child(2){border-color:#ca8e08}.distinction-grid article:nth-child(3){border-color:#785bd3}.distinction-grid article:nth-child(4){border-color:#16a575}.distinction-grid h3{margin:0 0 7px}.distinction-grid p{margin:0;color:#526b84;line-height:1.55}
.coffman-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-top:24px}.coffman-grid article{display:flex;flex-direction:column;padding:20px;border:1px solid var(--os-line);border-radius:15px;background:#fbfdff}.coffman-grid span{color:#b3c7da;font-size:1.4rem;font-weight:950}.coffman-grid h3{margin:8px 0}.coffman-grid p{flex:1;color:#516b85;line-height:1.55}.coffman-grid b{color:#785b00;font-size:.78rem}
.graph-lesson{display:grid;grid-template-columns:.9fr 1.1fr;gap:18px;margin-top:24px}.rag-diagram{display:grid;gap:11px;padding:22px;border-radius:17px;background:#071b32;color:white}.rag-row{display:grid;grid-template-columns:95px 1fr 95px;gap:8px;align-items:center}.rag-row.reverse{direction:rtl}.rag-row.reverse>*{direction:ltr}.process-node,.resource-node{display:grid;min-height:62px;place-items:center;font-weight:950}.process-node{border:2px solid #57d5e9;border-radius:50%;background:#0d3d55;color:#9cecf6}.resource-node{border:2px solid #f1bd2c;border-radius:8px;background:#45390e;color:#ffe789}.request-edge,.assignment-edge{text-align:center;font-size:.78rem}.request-edge{color:#ef9d8b}.assignment-edge{color:#75d8b4}.graph-rules{padding:22px;border:1px solid var(--os-line);border-radius:17px}.graph-rules h3{margin-top:0}.graph-rules>div{display:grid;grid-template-columns:100px 1fr;gap:12px;margin:9px 0;padding:12px;border-radius:9px;background:#eef4fb}.graph-rules code{color:#0a5cbf;font-weight:900}.graph-rules p{color:#4e6780;line-height:1.6}
.strategy-table{width:100%;margin-top:22px;border-collapse:collapse}.strategy-table th,.strategy-table td{padding:14px;border:1px solid var(--os-line);text-align:left;vertical-align:top}.strategy-table th{background:#eaf2fc}.strategy-table td{color:#49637e;line-height:1.5}.prevention-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:17px}.prevention-grid article{padding:19px;border-left:4px solid #1670dc;border-radius:12px;background:#f1f6fc}.prevention-grid h3{margin:0 0 7px}.prevention-grid p{margin:0;color:#536c85;line-height:1.55}
.banker-lab{margin-top:24px;border:1px solid #2b5275;border-radius:18px;overflow:hidden;background:#071b32;color:white}.banker-controls{display:flex;flex-wrap:wrap;gap:9px;align-items:end;padding:18px;background:#0d2b49}.banker-controls label{display:block;color:#68dcea;font-size:.72rem;font-weight:950}.banker-controls select{min-width:240px;margin-top:6px;padding:11px;border:1px solid #436987;border-radius:9px;background:#102f4d;color:white}.banker-controls button{padding:11px 15px;border:1px solid #f1be2e;border-radius:9px;background:#f1be2e;color:#102439;font-weight:950;cursor:pointer}.banker-controls button.secondary{border-color:#557592;background:transparent;color:#d9e7f2}.available-editor{display:flex;flex-wrap:wrap;gap:14px;align-items:center;padding:17px 20px;border-bottom:1px solid #2e526f}.available-editor strong{color:#6bdded;font-size:.76rem;letter-spacing:.09em}.available-editor label{color:#9fb7cb;font-weight:850}.available-editor input,.banker-table input{width:64px;box-sizing:border-box;margin-left:5px;padding:8px;border:1px solid #426582;border-radius:7px;background:#102f4d;color:white}.matrix-scroll{overflow:auto}.banker-table{width:100%;min-width:760px;border-collapse:collapse}.banker-table th,.banker-table td{padding:9px;border:1px solid #315674;text-align:center}.banker-table th{background:#0d2b48;color:#8fe8f3;font-size:.74rem}.banker-table td:first-child{color:#ffe176;font-weight:950}.banker-table .need-cell{color:#7ee0ba;font-weight:850}.banker-validation{min-height:20px;margin:9px 20px;color:#ffaea1}.banker-result{margin:15px 20px;padding:18px;border:1px solid #315775;border-radius:13px;background:#0d2b48}.banker-result>span{color:#8ea9c0;font-size:.7rem;font-weight:950;letter-spacing:.09em}.banker-result h3{margin:7px 0}.banker-result p{color:#c4d7e7;line-height:1.55}.banker-result.safe{border-color:#31a47b;background:#0c3b36}.banker-result.unsafe{border-color:#c75b4a;background:#40221f}.safe-sequence{display:flex;flex-wrap:wrap;gap:7px}.safe-sequence b{padding:7px 10px;border-radius:8px;background:#1769c9;color:white}.safe-sequence i{align-self:center;color:#f0bf30;font-style:normal}.banker-trace{margin:0 20px 20px;padding:17px;border-radius:12px;background:#0d2944}.banker-trace h3{margin:0 0 8px;font-size:.95rem}.banker-trace ol{margin:0;padding-left:22px;color:#bfd2e2;line-height:1.7}
.detection-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:23px}.detection-flow article{position:relative;padding:19px;border:1px solid var(--os-line);border-radius:14px;background:#f7faff}.detection-flow b{display:grid;width:33px;height:33px;place-items:center;border-radius:9px;background:#e2efff;color:#0a5abc}.detection-flow h3{margin:11px 0 6px}.detection-flow p{margin:0;color:#526b84;line-height:1.55}.recovery-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:17px}.recovery-grid article{padding:22px;border-radius:15px;background:#071b32;color:white}.recovery-grid span{color:#69ddeb;font-size:.7rem;font-weight:950;letter-spacing:.09em}.recovery-grid h3{margin:8px 0}.recovery-grid p{color:#c5d8e8;line-height:1.6}.recovery-grid b{color:#ffe175;font-size:.8rem}
.case-lab{display:grid;grid-template-columns:.55fr 1.45fr;gap:17px;margin-top:22px}.case-tabs{display:grid;gap:8px}.case-tabs button{padding:13px;border:1px solid #aec4dd;border-radius:9px;background:white;color:#183956;font:inherit;font-weight:850;text-align:left;cursor:pointer}.case-tabs button.is-active,.case-tabs button:hover{border-color:var(--os-blue);background:#e8f1ff;color:#0757b9}.case-answer{padding:23px;border-radius:16px;background:#071b32;color:white}.case-answer>span{color:#65dcea;font-size:.72rem;font-weight:950;letter-spacing:.09em}.case-answer h3{margin:8px 0}.case-answer p{color:#c4d7e7;line-height:1.62}.case-answer div{padding:13px;border-left:4px solid #f0bd2c;background:#102f4d;color:#dce8f2;line-height:1.5}
@media(max-width:1100px){.coffman-grid,.distinction-grid{grid-template-columns:1fr 1fr}.graph-lesson{grid-template-columns:1fr}.detection-flow{grid-template-columns:1fr 1fr}}
@media(max-width:820px){.coffman-grid,.distinction-grid,.prevention-grid,.detection-flow,.recovery-grid,.case-lab{grid-template-columns:1fr}.strategy-table{min-width:720px}.lesson-section:has(.strategy-table){overflow-x:auto}.banker-controls{display:grid}.banker-controls select{width:100%;min-width:0}.rag-row{grid-template-columns:75px 1fr 75px}.deadlock-cycle{justify-content:flex-start}}