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4px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:8px}.tab-alert{background:var(--danger-soft);color:var(--danger)}.tool-footer{border-top:1px solid var(--line);min-height:46px;color:var(--muted);flex:none;justify-content:space-between;align-items:center;padding:6px 10px 6px 14px;font-size:10px;display:flex}.testcase-strip{border-bottom:1px solid var(--line);background:var(--surface);align-items:center;gap:6px;min-height:46px;padding:0 8px;display:flex}.testcase-tab{height:30px;color:var(--muted);background:0 0;border:1px solid #0000;flex:none;align-items:center;gap:7px;padding:0 9px;font-size:10px;font-weight:650;display:inline-flex}.testcase-tab:hover{color:var(--ink)}.testcase-tab-active{border-color:var(--line-strong);background:var(--panel);color:var(--ink)}.case-status{background:var(--line-strong);flex:none;width:6px;height:6px}.case-status-running{background:var(--accent);animation:1s ease-in-out infinite case-pulse}.case-status-passed{background:var(--success)}.case-status-wrong-answer,.case-status-runtime-error{background:var(--danger)}.case-status-output-only{background:#3579a5}.add-case-button{height:28px;color:var(--accent-dark);background:0 0;border:0;flex:none;padding:0 6px;font-size:10px;font-weight:750}.case-name-input{width:100%;color:var(--ink);background:0 0;border:0;border-bottom:1px solid #0000;outline:0;padding:2px 0;font-size:12px;font-weight:750}.case-name-input:focus{border-bottom-color:var(--accent)}.text-button,.danger-text-button{color:var(--accent-dark);background:0 0;border:0;padding:4px 3px;font-size:10px;font-weight:700}.danger-text-button{color:var(--danger)}.code-label,.autosave-label{color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:9px;font-weight:500}.code-textarea,.note-textarea,.field-input{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;outline:0;transition:border-color .14s,box-shadow .14s}.code-textarea{resize:none;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:11px;line-height:1.55}.note-textarea{resize:vertical;min-height:82px;padding:9px 10px;font-size:11px;line-height:1.55}.field-input{height:36px;padding:0 10px;font-size:12px}.code-textarea::placeholder,.note-textarea::placeholder,.field-input::placeholder{color:#9b9d9f}.code-textarea:focus,.note-textarea:focus,.field-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent)}@supports (color:color-mix(in lab, red, red)){.code-textarea:focus,.note-textarea:focus,.field-input:focus{box-shadow:0 0 0 2px color-mix(in srgb, var(--accent) 12%, transparent)}}.code-textarea:disabled,.note-textarea:disabled,.field-input:disabled,.case-name-input:disabled{background:var(--surface);color:var(--muted)}.field-label{color:var(--ink);font-size:10px;font-weight:700;display:block}.field-label>input,.field-label>select,.field-label>textarea{margin-top:6px;font-weight:400}.study-section{border-bottom:1px solid var(--line);padding:16px}.study-section:last-child{border-bottom:0}.section-heading{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px;display:flex}.section-heading h2{color:var(--ink);font-size:12px;font-weight:750}.section-heading p{color:var(--muted);margin-top:3px;font-size:10px;line-height:1.45}.timer-readout{color:var(--ink);font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:17px;font-weight:750}.timer-readout-over{color:var(--danger)}.result-case-row{border:1px solid var(--line);background:var(--panel);min-width:0;height:31px;color:var(--ink);align-items:center;gap:7px;padding:0 8px;font-size:10px;display:flex}.result-case-row:hover,.result-case-row-active{border-color:var(--line-strong);background:#fff}.result-case-row-active{box-shadow:inset 2px 0 0 var(--accent)}.result-mark{flex:none;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:8px;font-weight:800}.result-mark-passed{color:var(--success)}.result-mark-wrong-answer,.result-mark-runtime-error{color:var(--danger)}.result-mark-output-only{color:#3579a5}.utility-result-tab{height:25px;color:var(--muted);background:0 0;border:0;align-items:center;gap:6px;padding:0 6px;font-size:9px;font-weight:700;display:inline-flex}.utility-result-tab-active{background:var(--surface);color:var(--ink)}.utility-dot{width:5px;height:5px}.verdict-badge{padding:3px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:8px;font-weight:800}.verdict-badge-pass{background:var(--success-soft);color:var(--success)}.verdict-badge-fail{background:var(--danger-soft);color:var(--danger)}.result-summary{border-left:3px solid;justify-content:space-between;align-items:flex-start;gap:14px;padding:11px 12px;display:flex}.result-summary-success{background:var(--success-soft);color:#245f45}.result-summary-danger{background:var(--danger-soft);color:#8e302a}.result-summary-neutral{color:#3d657e;background:#edf1f4}.diagnostic-row{border:1px solid var(--line);background:#fff;align-items:flex-start;gap:9px;width:100%;padding:9px;display:flex}.diagnostic-row:hover{border-color:var(--danger)}.diagnostic-severity{flex:none;padding-top:2px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:8px;font-weight:850}.diagnostic-error{color:var(--danger)}.diagnostic-warning{color:var(--warning)}.diagnostic-note{color:#3579a5}.output-block{background:#17191f;border:1px solid #30333b;overflow:hidden}.output-block>div{color:#858b96;letter-spacing:.11em;text-transform:uppercase;border-bottom:1px solid #30333b;padding:7px 9px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:8px;font-weight:800}.output-block pre,.log-disclosure pre{white-space:pre-wrap;color:#d9dce3;min-height:74px;padding:10px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:10px;line-height:1.55;overflow:auto}.log-disclosure{border:1px solid var(--line);background:#fff}.log-disclosure summary{color:var(--muted);cursor:pointer;padding:9px 10px;font-size:10px;font-weight:700}.log-disclosure pre{border-top:1px solid var(--line);background:#202229;min-height:0}.dialog-backdrop{z-index:50;background:#1213159e;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.shortcut-dialog{border:1px solid var(--line-strong);background:var(--panel);width:100%;max-width:420px;padding:18px;box-shadow:0 20px 60px #0000003d}.eyebrow{color:var(--accent-dark);letter-spacing:.14em;text-transform:uppercase;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:9px;font-weight:800}.shortcut-key{border:1px solid var(--line);background:var(--surface);color:var(--muted);padding:4px 6px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:9px}@keyframes case-pulse{0%,to{opacity:1}50%{opacity:.35}}@media (min-width:1024px){.workspace-grid{grid-template-columns:minmax(0,1fr) 420px}.tool-panel{height:100%;max-height:786px}}@media (max-width:1023px){.tool-panel{min-height:640px}}@media (max-width:767px){.workspace-toolbar{align-items:flex-start}.runner-state,.toolbar-divider,.toolbar-secondary{display:none}.editor-canvas{height:520px}}@media (max-width:639px){.header-meta,.session-strip>div:first-child p:last-child,.primary-button kbd,.run-all-button kbd,.toolbar-button kbd{display:none}.session-strip{gap:8px;padding-left:10px}.session-clock span{display:none}.timer-button{min-width:42px;padding:0 7px}.workspace-toolbar{min-height:88px}.primary-button,.run-all-button,.toolbar-button{padding:0 9px}.tool-tabs{overflow-x:auto}.tool-tab{flex:none}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@keyframes pulse{50%{opacity:.5}}