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#b9e4cb;border-radius:8px;padding:12px 14px}.compact-wrong-list{gap:10px;display:grid}.compact-wrong{background:#cc43350f;border:1px solid #cc43352e;border-radius:8px;gap:6px;padding:12px 14px;display:grid}.compact-wrong strong{color:var(--danger)}.compact-wrong span{color:#68413b;line-height:1.55}.tip-list{border:1px solid #dfd0a3;border-radius:8px;gap:8px;padding:10px;display:grid;overflow:hidden}.tip-row{background:#ffffff85;grid-template-columns:minmax(130px,.45fr) 20px minmax(0,1fr);align-items:start;gap:6px;padding:12px 14px;display:grid}.tip-row strong{color:var(--brand-dark);line-height:1.4}.tip-row span{color:var(--brand-dark);text-align:center;font-weight:900}.tip-row small{color:#6f613a;font-size:12px;line-height:1.4}.wrong-section{gap:12px;margin:4px 0 16px;display:grid}.wrong-toggle{color:var(--danger);background:#fff4f2;border:1px solid #efc4bb;border-radius:8px;justify-content:center;align-items:center;gap:9px;width:fit-content;min-height:44px;padding:0 14px;font-weight:800;display:inline-flex}.wrong-list{gap:10px;display:grid}.wrong-card{border:1px solid #efc4bb;border-left:4px solid var(--danger);background:#fff;border-radius:8px;grid-template-columns:64px minmax(0,1fr);gap:12px;padding:13px;display:grid}.wrong-letter{color:var(--danger);align-items:center;gap:8px;display:flex}.wrong-card p{color:#30211f;margin:0 0 7px;font-weight:800}.wrong-card span{color:#68413b;line-height:1.5}.keyword-row span{color:#4a3911;background:#fff;border:1px solid #dfd0a3;border-radius:999px;padding:7px 10px;font-size:13px;font-weight:700}.clue-box{border-top:1px solid #e2d4a9;margin-top:18px;padding-top:16px}.clue-box h4{color:#2d2410;margin:0 0 10px;font-size:15px}.clue-list{background:#fff;border:1px solid #dfd0a3;border-radius:8px;display:grid;overflow:hidden}.clue{background:0 0;border-bottom:1px solid #9d864938;border-radius:0;grid-template-columns:minmax(120px,.8fr) minmax(150px,1fr) minmax(180px,1.1fr);align-items:center;gap:0;display:grid}.clue:last-child{border-bottom:0}.clue>*{min-height:100%;padding:12px 14px}.clue>*+*{border-left:1px solid #9d864938}.clue-header{background:#f6efd7;border-bottom-color:#d4c18b}.clue strong{color:var(--brand-dark);font-size:14px;line-height:1.45}.clue span{color:#2a2110;font-weight:800;line-height:1.35}.clue small{color:#6f613a;font-size:12px;line-height:1.35}.clue-header strong,.clue-header span,.clue-header small{color:#4a3911;letter-spacing:.03em;text-transform:uppercase;font-size:12px;font-weight:900}.empty-state{text-align:center;place-items:center;min-height:540px;display:grid}.empty-state h2{margin:14px 0 8px}.empty-state p{color:var(--muted)}@media (width<=1320px){.shell{padding:24px}.workspace{grid-template-columns:minmax(230px,300px) minmax(0,1fr)}.workspace.left-collapsed{grid-template-columns:1fr}.study-panel{grid-column:2}.left-collapsed .study-panel{grid-column:auto}}@media (width>=981px) and (width<=1180px){.shell{padding:22px}.workspace{grid-template-columns:minmax(240px,280px) minmax(0,1fr);gap:16px}.workspace.left-collapsed{grid-template-columns:1fr}.question-panel{padding:26px}.question-header h2{font-size:21px}.study-panel{grid-column:2}.left-collapsed .study-panel{grid-column:auto}.topic-list{width:auto;max-height:360px;left:14px;right:14px}}@media (width<=980px){.shell{padding:18px}.topbar{flex-direction:column;align-items:stretch}.workspace{grid-template-columns:1fr}.study-panel{grid-column:auto}.control-panel,.study-panel{position:static}}@media (width>=641px) and (width<=980px){.control-panel{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:14px}.mode-grid,.search-field,.stats,.topic-list{grid-column:1/-1}.topic-list{width:100%;max-height:280px;position:static;top:auto;left:auto}.stats{grid-template-columns:repeat(4,minmax(0,1fr))}.question-panel{padding:26px}.question-header h2{font-size:22px}.study-panel{grid-template-columns:minmax(0,1fr)}.question-map{max-height:220px}}@media (width>=641px) and (width<=1180px){.top-actions{justify-content:flex-start}.choice{padding:14px}.study-card textarea,.note-editor{min-height:240px}.tip-row{grid-template-columns:minmax(120px,.4fr) 20px minmax(0,1fr)}}@media (orientation:landscape) and (width>=981px) and (width<=1180px){.topbar{flex-direction:row;align-items:end}}@media (width<=640px){.shell{padding:12px}h1{font-size:34px}.question-panel,.control-panel{padding:14px}.question-header,.choice,.question-actions,.wrong-card,.clue{grid-template-columns:1fr}.clue>*+*{border-top:1px solid #9d86492e;border-left:0}.tip-row{grid-template-columns:1fr}.topic-list{grid-template-columns:1fr;width:100%;max-height:300px;position:static;top:auto;left:auto}.tip-row>*+*{border-top:1px solid #9d86492e;border-left:0}.counter{width:fit-content}.choice{min-height:auto}.letter{width:32px;height:32px}}@media (width<=430px){.shell{padding:10px}.topbar{gap:12px;margin-bottom:10px}h1{font-size:30px;line-height:1.05}.subtitle{font-size:13px}.top-actions{grid-template-columns:1fr;width:100%;display:grid}.icon-button{justify-content:center;width:100%}.workspace{gap:12px}.control-panel,.question-panel,.study-panel{border-radius:8px;width:100%;padding:12px}.mode-grid{gap:8px}.mode{min-height:44px}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.stats strong{font-size:20px}.topic-list{max-height:260px}.question-panel{min-height:auto}.question-header{gap:12px;margin-bottom:16px}.question-header h2{font-size:20px;line-height:1.45}.counter{min-height:38px;padding:0 12px}.choice-list{gap:10px}.choice{align-items:start;gap:10px;padding:12px}.question-actions{gap:8px}.question-actions button{width:100%;min-height:42px}.study-tabs{gap:4px;padding:5px}.study-tabs button{gap:4px;min-height:36px;font-size:12px}.study-card textarea,.note-editor{min-height:220px}.question-map{gap:6px;max-height:230px}.submit-exam{min-height:42px}.tip-row{gap:4px}.tip-row span{text-align:left}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}