html,body{height:100%;overflow:hidden}#landingPage{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;text-align:center;padding:20px;overflow-y:auto}.landing-welcome{font-size:1.05rem;font-weight:500;margin-bottom:10px;background:#e3f2fd;color:#1565c0;padding:8px 16px;border-radius:20px}.landing-title{font-size:2rem;font-weight:700;color:var(--primary);margin:0 0 20px;animation:fadeInDown .5s ease-out both}.landing-slogan{font-size:1.3rem;font-weight:700;color:var(--accent-orange);margin-bottom:30px;text-shadow:1px 1px 0 #fff;animation:fadeInUp .5s ease-out .2s both}.mode-btn-container{display:flex;gap:30px;flex-wrap:wrap;justify-content:center}.mode-btn{background:var(--surface);border:2px solid var(--primary);border-radius:20px;width:220px;height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:transform .3s,box-shadow .3s,background-color .3s;box-shadow:var(--shadow-sm);animation:fadeInUp .5s ease-out both}.mode-btn:nth-child(1){animation-delay:.4s}.mode-btn:nth-child(2){animation-delay:.6s}.mode-btn:nth-child(3){animation-delay:.8s}.mode-btn:hover{transform:translateY(-5px);box-shadow:0 10px 25px #6e9ac14d;background:#fafcff}.mode-btn .icon{font-size:60px;color:var(--primary);margin-bottom:15px;transition:transform .3s ease-in-out}.mode-btn:hover .icon{transform:scale(1.1) rotate(-5deg)}.mode-btn .label{font-size:1.2rem;font-weight:700;color:#555}.cheer-btn{background:linear-gradient(45deg,#ff4081,#ff80ab);color:#fff;border:none;padding:8px 20px;border-radius:25px;font-size:.9rem;font-weight:700;cursor:pointer;margin-top:15px;box-shadow:0 4px 10px #ff40814d;transition:transform .2s}.cheer-btn:hover{transform:scale(1.05) rotate(-2deg)}.login-card{max-width:400px;margin:0 auto;border-top:4px solid var(--primary);padding:30px}.google-login-btn{background:#fff;color:#444;border:1px solid #ddd;border-radius:8px;padding:12px 24px;width:100%;display:flex;align-items:center;justify-content:center;gap:8px;font-size:.95rem;font-weight:600;cursor:pointer}.google-login-btn:hover{background:var(--light-gray)}.credit{text-align:center;margin-top:40px;color:var(--text-muted);font-size:.8rem;line-height:1.6}#appContainer{display:none;flex-direction:column;height:100vh;height:100dvh}#appContainer.show{display:flex}.top-nav-bar{background:var(--surface);display:flex;align-items:center;gap:8px;padding:0 20px;border-bottom:1px solid var(--border-gray);flex-shrink:0;height:56px;z-index:1000;overflow-x:auto}.nav-tab{border:2px solid transparent;border-radius:var(--radius-sm);padding:6px 16px;font-weight:500;font-size:.9rem;color:var(--text-gray);background:transparent;cursor:pointer;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.nav-tab .material-icons{font-size:20px}.nav-tab.active{background:var(--primary-soft);border-color:var(--primary);color:var(--primary);font-weight:700}.nav-tab:not(.active):hover{background:var(--light-gray)}.nav-divider{width:1px;height:24px;background:var(--border-gray);margin:0 8px;flex-shrink:0}.nav-actions{margin-left:auto;display:flex;gap:8px;align-items:center}.split-container{display:flex;flex:1;min-height:0}#form-panel{flex:1 1 auto;min-width:0;background:var(--bg);overflow-y:auto;position:relative}#shared-panel{flex:0 0 45%;background:#e9eef2;padding:24px 30px 24px 24px;overflow-y:auto;overflow-x:hidden;transition:flex-basis .35s cubic-bezier(.25,.8,.25,1),padding .35s cubic-bezier(.25,.8,.25,1)}#shared-panel.collapsed{flex-basis:0;padding-left:0;padding-right:0;opacity:0;pointer-events:none;visibility:hidden}#shared-panel h2{font-size:1.2rem;font-weight:700;color:var(--accent-orange);margin:0 0 15px}#mainForm{max-width:900px;margin:0 auto;padding:24px 24px 110px}.form-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}#pageTitle{color:var(--primary);margin:0;font-size:1.4rem}.form-subtitle{font-size:.8rem;color:#888;margin-top:3px}.link-btn{background:none;border:none;color:var(--primary);font-size:.78rem;text-decoration:underline;cursor:pointer;padding:0 0 0 8px}.link-btn:hover{color:var(--primary-dark)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.form-grid .span-2{grid-column:1 / -1}.stage-row{background:#f0f8ff;padding:10px 14px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.stage-row>span:first-child{font-weight:700;color:#1565c0}.toggle-group{display:flex;align-items:center;gap:12px}.toggle-label-text{font-size:.9rem;font-weight:700;color:var(--text-muted);transition:color .3s;white-space:nowrap}.toggle-label-text.active-pre{color:#1976d2}.toggle-label-text.active-post{color:var(--accent-orange)}.switch{position:relative;display:inline-block;width:46px;height:24px;flex-shrink:0}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;top:0;right:0;bottom:0;left:0;cursor:pointer;background:#ccc;transition:.3s;border-radius:24px}.slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background:#fff;transition:.3s;border-radius:50%}.switch input:checked+.slider{background:var(--primary)}.switch input:checked+.slider:before{transform:translate(22px)}.switch input:focus-visible+.slider{box-shadow:0 0 0 3px #4a85c866}#loadPreBtn{display:none;background:#ff7043;color:#fff;border:none;padding:5px 12px;border-radius:15px;cursor:pointer;font-size:.8rem;font-weight:700}#loadPreBtn:hover{background:#f4511e}#loadPreBtn.show{display:block}.checkbox-list{border:1px solid #ddd;border-radius:var(--radius-sm);padding:10px;max-height:170px;overflow-y:auto;background:var(--surface)}.checkbox-item{display:flex;align-items:flex-start;gap:8px;margin-bottom:6px;cursor:pointer;padding:4px 6px;border-radius:5px;font-size:.9rem;line-height:1.4}.checkbox-item:hover{background:var(--light-gray)}.checkbox-item input{margin-top:3px;flex-shrink:0}.checkbox-item .code{font-weight:700;color:var(--primary)}.list-empty{padding:10px;color:var(--text-muted);font-size:.9rem}.perf-options{background:#f7f9fa;border:1px solid #e9eef2;padding:20px;border-radius:var(--radius-md);display:none;flex-direction:column;gap:20px}.perf-options.show{display:flex}.perf-label{font-weight:600;font-size:.95rem;color:var(--text);margin-bottom:12px;display:block}.perf-checks{display:flex;flex-wrap:wrap;gap:12px 20px}.perf-check-item{display:flex;align-items:center;font-size:.95rem;color:#444;cursor:pointer;margin:0}.perf-check-item input[type=checkbox]{-moz-appearance:none;appearance:none;-webkit-appearance:none;background:#fff;margin:0 8px 0 0;width:1.15em;height:1.15em;border:1px solid #bdc1c6;border-radius:4px;display:grid;place-content:center;cursor:pointer;flex-shrink:0}.perf-check-item input[type=checkbox]:before{content:"";width:.65em;height:.65em;transform:scale(0);transition:transform .12s ease-in-out;box-shadow:inset 1em 1em #fff;clip-path:polygon(14% 44%,0 65%,50% 100%,100% 16%,80% 0%,43% 62%)}.perf-check-item input[type=checkbox]:checked{background:#8a3ffc;border-color:#8a3ffc}.perf-check-item input[type=checkbox]:checked:before{transform:scale(1)}#levelTable{width:100%;border-collapse:collapse;margin-top:10px}#levelTable th,#levelTable td{padding:12px 16px;border:none;border-bottom:1px solid var(--border-gray);text-align:left;vertical-align:top;font-size:.92rem;line-height:1.5}#levelTable tr:last-child td{border-bottom:none}#levelTable th{background:var(--light-gray);font-weight:600;font-size:.9rem}#levelTable th:first-child{text-align:center}#levelTable td:first-child{font-weight:700;font-size:1rem;color:#000;text-align:center;vertical-align:middle;width:60px}.highlight-row{background:#fff9c4}.table-empty{color:var(--text-muted);font-size:.9rem;padding:12px 4px}.rubric-table{width:100%;border-collapse:separate;border-spacing:0 6px}.rubric-table th{font-size:.88rem;color:#666;text-align:left;padding:0 5px 5px;font-weight:600}.rubric-row td{vertical-align:top;padding:0 5px}.rubric-row td:last-child{text-align:center;vertical-align:middle;padding:0}.move-btn{background:#f0f0f0;border:1px solid #ddd;color:#777;width:24px;height:24px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;padding:0;margin:4px auto;font-size:14px;line-height:1}.move-btn:hover:not(:disabled){background:#e0e0e0;color:var(--text)}.move-btn:disabled{opacity:.3;cursor:not-allowed}.round-btn{width:26px;height:26px;border-radius:50%;border:none;color:#fff;cursor:pointer;font-size:16px;line-height:1}.round-btn.minus{background:#ff8a80}.round-btn.plus{background:var(--primary);margin-left:4px}.nav-bar{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--surface);border-radius:30px;box-shadow:0 4px 12px #00000026;padding:8px 15px;gap:12px;z-index:100;display:none;align-items:center}.nav-bar.show{display:flex}.nav-btn{background:transparent;border:2px solid var(--primary);color:var(--primary);width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}.nav-btn:disabled{opacity:.35;cursor:not-allowed}.new-btn{background:var(--primary);color:#fff;border:none;padding:0 20px 0 10px;height:38px;border-radius:19px;font-weight:700;font-size:.9rem;display:flex;align-items:center;gap:8px;cursor:pointer}.new-btn:hover{background:var(--primary-dark)}.new-btn-icon{background:#ffffff40;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center}.new-btn .material-icons{font-size:18px}#pageIndicator{min-width:70px;font-weight:700;color:#666;text-align:center;font-size:.9rem}.save-indicator{position:fixed;bottom:28px;right:32px;background:#f1f3f4;color:var(--text-gray);padding:6px 10px;border-radius:16px;font-size:.75rem;display:flex;align-items:center;gap:6px;box-shadow:var(--shadow-sm);z-index:100;transition:background-color .3s,color .3s}.save-indicator .material-icons{font-size:16px}.save-indicator.saving{background:#e3f2fd;color:var(--primary)}.save-indicator.error{background:#ffebee;color:var(--danger)}.filter-bar{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;background:var(--surface);border-radius:var(--radius-md);padding:16px;margin-bottom:20px;box-shadow:var(--shadow-md)}.filter-bar select,.filter-bar input{font-size:.9rem;padding:8px 12px;border:1px solid #ebebeb;border-radius:var(--radius-sm);background:#f7f7f7}.filter-bar input[type=text]{grid-column:1 / -1}#shared-items-grid{display:flex;flex-direction:column;gap:16px;padding-bottom:50px}.shared-card{background:var(--surface);padding:20px;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);cursor:pointer;border:1px solid transparent;border-left:4px solid #e8e4f8;transition:transform .2s,box-shadow .2s,border-color .2s;text-align:left;width:100%;font:inherit;color:inherit;display:block}.shared-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#a392e0}.shared-card-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.shared-card .author{font-size:.75rem;color:#888}.shared-card .q-text{font-size:.95rem;line-height:1.5;margin:12px 0;color:#444;display:-webkit-box;-webkit-line-clamp:4;line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}.shared-card .unit{font-size:.8rem;color:#666;font-weight:700}.detail-meta-info{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid #eee;flex-wrap:wrap}.detail-badges{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.detail-author{font-size:.85rem;color:#666}.detail-label{font-weight:700;margin-top:16px;margin-bottom:6px;font-size:.95rem}.detail-content-box{background:#f7f9fa;border:1px solid #e9eef2;padding:12px 15px;border-radius:var(--radius-sm);font-size:.95rem;line-height:1.6;white-space:pre-wrap;overflow-wrap:anywhere}.detail-content-box.question{background:#fff8e1}.detail-content-box.example{background:#e8f5e9}.detail-rubric-table{width:100%;border-collapse:separate;border-spacing:0 8px;margin-top:6px}.detail-rubric-table th{font-size:.8rem;font-weight:700;color:var(--accent-orange);text-align:center;padding-bottom:4px;border:none}.detail-rubric-table td{border:none;padding:14px 16px;text-align:left;vertical-align:top;font-size:.9rem;background:#f7f9fa;overflow-wrap:anywhere}.detail-rubric-table td:first-child{border-radius:var(--radius-sm) 0 0 var(--radius-sm)}.detail-rubric-table td:last-child{border-radius:0 var(--radius-sm) var(--radius-sm) 0}.detail-rubric-table td:nth-child(2){font-weight:700;text-align:center;color:var(--primary);width:60px}.item-card{background:var(--surface);border-radius:var(--radius-sm);padding:8px 10px;margin-bottom:6px;box-shadow:var(--shadow-sm);font-size:.85rem;display:flex;justify-content:space-between;align-items:center;gap:8px;border:1px solid #eee}.item-card:hover{background:#f0f7ff}.item-info{flex:1;min-width:0;cursor:pointer;border:none;background:none;text-align:left;font:inherit;padding:0}.item-card-title{font-weight:600;color:#444;display:flex;gap:6px;align-items:center;flex-wrap:wrap}.item-card-desc{color:var(--text-gray);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.delete-btn{color:#ff5252;cursor:pointer;background:none;border:none;padding:4px;display:flex;flex-shrink:0}.dash-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}.dash-label{font-weight:700;font-size:.9rem;color:var(--primary);display:block;margin-bottom:6px}.dash-preview{background:#f7f9fa;border:1px solid #e9eef2;border-radius:var(--radius-sm);padding:12px;margin-top:8px;font-size:.85rem;line-height:1.6;white-space:pre-wrap;min-height:90px;max-height:180px;overflow-y:auto}.dash-result{margin-top:16px;background:#fff;border:1px solid var(--border-gray);border-radius:var(--radius-md);padding:16px;line-height:1.8;font-size:.92rem}.user-info-row{display:flex;align-items:center;gap:10px}.user-info-row label{font-weight:700;color:#555;width:44px;margin:0;flex-shrink:0}@media(max-width:1024px){#shared-panel{flex-basis:55%}.filter-bar{grid-template-columns:repeat(2,1fr)}}@media(max-width:820px){html,body{overflow:auto}#appContainer{height:auto;min-height:100dvh}.split-container{flex-direction:column}#form-panel,#shared-panel{flex:1 1 auto;overflow:visible}#shared-panel{padding:20px}#shared-panel.collapsed{display:none}.form-grid,.dash-grid{grid-template-columns:1fr}.top-nav-bar{height:auto;padding:8px 12px;flex-wrap:wrap}.nav-actions{margin-left:0;width:100%;flex-wrap:wrap}.save-indicator{bottom:76px;right:12px}}