:root{color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:#050816;color:#e5e7eb}.app-shell{min-height:100vh}.app-header{position:fixed;top:0;left:0;right:0;z-index:40;height:64px;background:#050816d1;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(51,65,85,.9)}.app-header-inner{max-width:1400px;height:100%;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.app-brand{display:flex;align-items:center;gap:12px;min-width:0}.app-logo{width:36px;height:36px;display:block;flex:0 0 auto;opacity:.98;padding:7px;border-radius:999px;background:linear-gradient(180deg,#fff,#e2e8f0);box-shadow:0 6px 18px #0f172a38}.app-header h1{margin:0;font-size:20px;font-weight:700;letter-spacing:-.02em}.app-header-status{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.header-chip{display:inline-flex;align-items:center;min-height:32px;padding:0 12px;border-radius:999px;border:1px solid #334155;background:#0f172acc;color:#cbd5e1;font-size:13px;white-space:nowrap}.header-danger-btn,.header-secondary-btn{width:auto;margin-top:0;padding:0 14px;min-height:32px;border-radius:999px;color:#fff;font-size:13px;box-shadow:none}.header-danger-btn{background:#b91c1c}.header-secondary-btn{background:#334155}.header-danger-btn:hover,.header-secondary-btn:hover{filter:brightness(1.06)}.header-danger-btn:disabled,.header-secondary-btn:disabled{cursor:default;opacity:.55}.header-icon-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;background:transparent;color:#94a3b8;border:1px solid transparent;cursor:pointer;transition:all .2s ease;margin:0;padding:0}.header-icon-btn:hover{background:#334155;color:#f8fafc}.app{max-width:1400px;margin:0 auto;padding:88px 16px 24px}.card{background:#111827;border:1px solid #334155;border-radius:14px;padding:16px;margin-bottom:14px}.code-split-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.code-split-row>*{min-width:0}.codeviewer-topline{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.codeviewer-actions{display:flex;gap:8px;flex-wrap:wrap}.code-box{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.simple-editor-wrapper{min-width:0;max-width:100%;overflow:auto;border:1px solid #334155;border-radius:10px;background:#0b1220;height:320px;min-height:320px;max-height:320px}.simple-editor-wrapper pre,.simple-editor-wrapper textarea{min-width:100%;white-space:pre;overflow-wrap:normal;word-break:normal;min-height:100%!important}.simple-editor-wrapper textarea{height:100%!important}.simple-editor-textarea{outline:none}.simple-editor-pre{margin:0;min-height:100%}.token.comment{color:#6272a4;font-style:italic}.token.keyword,.token.directive,.token.property{color:#ff79c6}.token.string,.token.char{color:#f1fa8c}.token.number,.token.boolean{color:#bd93f9}.token.function{color:#50fa7b}.token.operator,.token.punctuation{color:#ffb86c}.token.class-name,.token.builtin{color:#8be9fd}label{display:block;margin-top:10px}input,textarea,button,select{width:100%;margin-top:4px;padding:10px;border-radius:10px;border:1px solid #334155;background:#0b1220;color:#e2e8f0}textarea{min-height:190px;resize:vertical}button{cursor:pointer;background:#2563eb;border:none}button:hover{filter:brightness(1.08)}button:disabled{cursor:not-allowed}button:disabled:hover{filter:none}.small-action-btn{width:auto;margin-top:0;padding:8px 12px;font-size:12px;border-radius:10px;background:#1e40af}.icon-action-btn{width:34px;min-width:34px;height:34px;margin-top:0;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:#1e40af;font-size:14px;font-weight:700;line-height:1}.scoreboard-action-row{display:flex;gap:6px;justify-content:center;align-items:center;white-space:nowrap}.btn-row{display:flex;gap:8px;margin-top:10px}.card form>.btn-row:last-of-type{margin-bottom:4px}.submit-row{align-items:center}.submit-row button{width:calc(50% - 4px);flex:1 1 calc(50% - 4px)}.submit-secondary-btn{background:#334155}.submit-inline-status{display:inline-flex;align-items:center;gap:10px;color:#cbd5e1;font-size:13px}.test-result-card{display:flex;flex-direction:column;gap:12px}.test-result-summary{color:#e5e7eb;font-size:14px;line-height:1.5}.submit-spinner{width:14px;height:14px;border-radius:999px;border:2px solid rgba(148,163,184,.35);border-top-color:#60a5fa;animation:submit-spin .8s linear infinite}@keyframes submit-spin{to{transform:rotate(360deg)}}.error{color:#fda4af;min-height:18px;margin:8px 0 0}.mode-cards-container{display:flex;flex-direction:row;gap:12px;margin-top:14px}.mode-card{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;padding:24px 16px;border:1px solid #334155;border-radius:12px;background:#1e293b;cursor:pointer;transition:all .2s ease;flex:1;position:relative;min-height:180px}.mode-card:hover{border-color:#475569;background:#25334a}.mode-card.active{border-color:#60a5fa;background:#60a5fa14}.mode-card-radio{position:absolute;top:16px;right:16px;margin:0;accent-color:#60a5fa;width:18px;height:18px}.mode-card-icon{color:#94a3b8;margin-bottom:4px;transition:color .2s ease}.mode-card.active .mode-card-icon{color:#60a5fa}.mode-card-content{display:flex;flex-direction:column;gap:8px;align-items:center}.mode-card-title{font-size:16px;font-weight:600;color:#f8fafc}.mode-card-desc{font-size:13px;color:#94a3b8;line-height:1.5;word-break:keep-all}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid #334155;vertical-align:middle}.topline{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}.contest-status-card{overflow:hidden}.contest-status-card-top{margin-top:0;margin-bottom:10px}.admin-login-card{margin-top:0}.admin-login-card h3{margin-top:0;margin-bottom:12px}.admin-login-actions{margin-top:8px}.contest-status-topline{margin-bottom:14px}.contest-meta-note{margin-top:10px;color:#9fb0c7;line-height:1.45}.contest-timer-wrap{display:flex;flex-direction:column;gap:6px;padding:16px 18px;border-radius:16px;background:linear-gradient(135deg,#2563eb2e,#7c3aed29);border:1px solid rgba(96,165,250,.35)}.contest-timer-label{font-size:12px;color:#93c5fd;letter-spacing:.04em}.contest-timer-value{font-size:34px;font-weight:800;line-height:1;color:#eff6ff;font-variant-numeric:tabular-nums}.scrub-pending-note{margin-top:8px;color:#bfdbfe;font-size:12px;line-height:1.45}.virtual-time-control{margin-top:12px;display:flex;align-items:center;gap:10px}.virtual-time-control label{margin-top:0}.virtual-time-control span{display:block;margin-bottom:6px;color:#bfdbfe;font-size:12px}.virtual-time-control input[type=range]{margin-top:0;flex:1 1 auto}.timeline-toggle-btn{width:auto;margin-top:0;padding:8px 12px;border-radius:10px;background:#334155;font-size:12px;white-space:nowrap}.icon-toggle-btn{min-width:40px;height:40px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-size:16px;line-height:1}.hidden{display:none}pre{white-space:pre-wrap;background:#0b1220;border:1px solid #334155;border-radius:8px;padding:10px}.code-view{white-space:pre-wrap;overflow-wrap:anywhere;overflow:auto;overflow-x:auto;max-height:320px;min-height:210px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px;line-height:1.45}pre.code-view{scrollbar-gutter:stable}textarea{min-height:210px;max-height:320px;overflow:auto}.token-comment{color:#94a3b8;font-style:italic}.token-string{color:#f97316}.token-preprocessor{color:#22d3ee}.token-keyword{color:#c084fc;font-weight:700}.note{display:block;margin-top:8px;color:#94a3b8;font-size:12px}.timeline-list{display:flex;flex-direction:column;gap:10px}.timeline-item{padding:12px 14px;border-radius:12px;border:1px solid #334155;background:#0b1220}.timeline-main{font-size:14px;color:#e5e7eb;line-height:1.4}.timeline-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:8px}.timeline-metric{font-size:12px;color:#94a3b8}.inline-detail-btn{width:auto;margin-top:0;padding:6px 10px;border-radius:999px;font-size:12px;background:#1d4ed8;white-space:nowrap}.empty-note{margin-bottom:12px}.inline-tc-score-list{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 12px}.inline-tc-score-chip{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#0b1220;border:1px solid #334155;color:#cbd5e1;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;align-items:center;justify-content:center;padding:20px;background:#020617b8}.modal-card{width:min(760px,100%);max-height:70vh;overflow:auto;background:#111827;border:1px solid #334155;border-radius:16px;padding:18px;box-shadow:0 20px 60px #02061773}.modal-card-wide{width:min(1080px,100%);max-height:70vh}.modal-topline{display:flex;align-items:center;justify-content:space-between;gap:12px}.modal-topline h3{margin:0}.modal-close-btn{width:auto;margin-top:0;padding:8px 12px;border-radius:10px;background:#1e293b}.modal-pre{margin-top:12px;padding:14px;white-space:pre-wrap;word-break:break-word;line-height:1.5;font-size:13px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,monospace;background:#0b1220;border:1px solid #334155;border-radius:12px;max-height:62vh;overflow:auto}.modal-textarea{min-height:360px;margin-top:12px}.copy-textarea{max-height:60vh;overflow:auto;white-space:pre}.tc-score-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}.tc-score-summary{font-size:13px;color:#cbd5e1}.tc-score-item{padding:10px 12px;border-radius:10px;background:#0b1220;border:1px solid #334155;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:13px}.judge-indicator{position:fixed;left:16px;bottom:16px;z-index:20;padding:8px 12px;border-radius:12px;font-size:12px;line-height:1.2;color:#334155;background:#f1f5f9;border:1px solid #cbd5e1;box-shadow:0 4px 14px #0f172a1f}.judge-indicator.judge-active{color:#1d4ed8;border-color:#93c5fd;background:#eff6ff}.judge-indicator.judge-idle{color:#64748b;border-color:#cbd5e1;background:#f8fafc}@media (max-width: 900px){.code-split-row{grid-template-columns:1fr}.app-header{height:56px}.app-header h1{font-size:18px}th,td{padding:8px 9px}.app-logo{width:32px;height:32px;padding:6px}.contest-timer-value{font-size:28px}.app{padding-top:76px}}@media (max-width: 640px){.app-header-inner{padding:0 12px}.app-header-status{gap:6px}.header-chip{min-height:28px;padding:0 10px;font-size:12px}.timeline-actions{align-items:flex-start;flex-direction:column;gap:8px}.modal-card{padding:14px}}