.seat-arrangement-card{background:#fff;border-radius:20px;width:100%;padding:2rem;transition:all .3s;box-shadow:0 10px 25px #0000001a}.seat-settings{background:#f8f9fa;border-radius:15px;justify-content:center;align-items:center;gap:15px;margin-bottom:2rem;padding:1rem;transition:all .3s;display:flex}.seat-settings.collapsed{opacity:.7;margin-bottom:1rem;padding:.5rem}.input-group{flex-direction:column;align-items:center;display:flex}.input-group label{color:#636e72;margin-bottom:5px;font-size:.8rem}.input-group input{text-align:center;border:1px solid #dfe6e9;border-radius:8px;width:60px;padding:8px;font-size:1.1rem;font-weight:700}.x-mark{color:#b2bec3;margin-top:15px;font-size:1.2rem}.total-seats-badge{color:#fff;background:#a29bfe;border-radius:12px;margin-top:15px;margin-left:10px;padding:5px 10px;font-size:.9rem;font-weight:700}.name-input-section{flex-direction:column;align-items:center;gap:1rem;display:flex}.name-input-section label{color:#2d3436;font-weight:600}.people-count-input-wrapper{background:#f1f3f5;border-radius:15px;align-items:center;gap:10px;padding:10px 20px;display:flex}.people-count-input{text-align:center;color:#2d3436;border:2px solid #6c5ce7;border-radius:10px;outline:none;width:80px;padding:10px;font-size:1.5rem;font-weight:700}.unit-text{color:#636e72;font-size:1.2rem;font-weight:700}.team-preview-box{background:#fff;border:2px solid #e3e0ff;border-radius:12px;flex-direction:column;align-items:center;min-width:120px;padding:15px;animation:.3s fadeIn;display:flex}.preview-label{color:#6c5ce7;text-transform:uppercase;margin-bottom:8px;font-size:.75rem;font-weight:700}.mini-grid{justify-content:center;gap:4px;display:grid}.mini-dot{background:#a29bfe;border:1px solid #6c5ce7;border-radius:2px;width:14px;height:10px}.mini-grid.size-3:not(.horizontal):not(.vertical){grid-template-columns:repeat(2,14px)}.mini-grid.size-3:not(.horizontal):not(.vertical)>:nth-child(3){grid-column:1/3;justify-self:center}.mini-grid.size-4,.mini-grid.size-5:not(.horizontal):not(.vertical){grid-template-columns:repeat(2,14px)}.mini-grid.size-5:not(.horizontal):not(.vertical)>:nth-child(5){grid-column:1/3;justify-self:center}.mini-grid.size-6{grid-template-columns:repeat(2,14px)}.mini-grid.horizontal{grid-template-columns:repeat(auto-fill,14px)!important}.mini-grid.horizontal.size-3{grid-template-columns:repeat(3,14px)!important}.mini-grid.horizontal.size-4{grid-template-columns:repeat(4,14px)!important}.mini-grid.horizontal.size-5{grid-template-columns:repeat(5,14px)!important}.mini-grid.horizontal.size-6{grid-template-columns:repeat(6,14px)!important}.mini-grid.horizontal>:nth-child(5){grid-column:auto!important;justify-self:auto!important}.mini-grid.vertical{grid-template-columns:14px!important}.mini-grid.vertical>:nth-child(5){grid-column:auto!important;justify-self:auto!important}.layout-selector{align-items:center;gap:8px;display:flex}.layout-btn{color:#2f3542;cursor:pointer;background:#f1f2f6;border:2px solid #ced6e0;border-radius:12px;align-items:center;gap:5px;padding:10px 18px;font-size:.85rem;font-weight:800;transition:all .2s;display:flex;box-shadow:0 4px 6px #00000012}.layout-btn.active{color:#fff;background:#6c5ce7;border-color:#6c5ce7;box-shadow:0 6px 12px #6c5ce74d}.layout-btn:hover:not(.active){background:#fff;border-color:#6c5ce7;transform:translateY(-2px);box-shadow:0 8px 15px #0000001a}.preview-desc{color:#b2bec3;margin-top:5px;font-size:.7rem}.mode-toggle-wrapper{align-items:center;gap:10px;margin-bottom:5px;display:flex}.mode-text{color:#2d3436;font-size:.9rem;font-weight:600}.switch-label{width:40px;height:24px;display:inline-block;position:relative}.switch-label input{opacity:0;width:0;height:0}.slider{cursor:pointer;background-color:#ccc;border-radius:24px;transition:all .4s;position:absolute;inset:0}.slider:before{content:"";background-color:#fff;border-radius:50%;width:18px;height:18px;transition:all .4s;position:absolute;bottom:3px;left:3px}input:checked+.slider{background-color:#6c5ce7}input:checked+.slider:before{transform:translate(16px)}.hint-text{color:#b2bec3;margin-bottom:10px;font-size:.9rem}.drag-hint{color:#fdcb6e;margin-bottom:10px;font-size:1.1rem;font-weight:700}.shuffle-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6c5ce7,#a29bfe);border:none;border-radius:12px;width:100%;max-width:400px;padding:1rem;font-size:1.1rem;font-weight:700;transition:transform .2s;box-shadow:0 4px 10px #6c5ce74d}.shuffle-btn:hover{transform:translateY(-2px);box-shadow:0 6px 15px #6c5ce766}.seat-result-section{flex-direction:column;align-items:center;gap:1.5rem;width:100%;animation:.5s fadeIn;display:flex}.blackboard{color:#fff;text-align:center;background:#00b894;border:4px solid #574b90;border-radius:8px;width:80%;margin-bottom:10px;padding:10px;font-weight:700;box-shadow:0 4px #3e366e}.seat-grid{gap:10px;width:100%;display:grid}.seat-item{aspect-ratio:4/3;cursor:grab;-webkit-user-select:none;user-select:none;background:#fff;border:1px solid #dfe6e9;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;transition:all .3s;display:flex;position:relative;box-shadow:0 2px 5px #0000000d}.seat-item.drag-over-target{z-index:5;transform:scale(1.05);background-color:#e3e0ff!important;border:3px dashed #6c5ce7!important}.seat-item:active{cursor:grabbing;z-index:10;transform:scale(1.05);box-shadow:0 10px 20px #00000026}.seat-item.occupied{background:#fdfbf7;border-color:#fab1a0}.seat-item.fixed{background:#f3f0ff;border:2px solid #6c5ce7;box-shadow:0 0 15px #6c5ce733}.seat-item.fixed .student-number{color:#fff;background:#6c5ce7;border-color:#6c5ce7}.seat-item.empty{opacity:.9;background:#f1f3f5;border:2px dashed #dfe6e9}.desk-wood{opacity:.2;background:#e1b12c;border-radius:4px;width:80%;height:30%;position:absolute;top:5px;left:10%}.student-number{font-size:calc(2rem*var(--seat-scale,1));color:#2d3436;z-index:1;width:calc(60px*var(--seat-scale,1));height:calc(60px*var(--seat-scale,1));border:calc(3px*var(--seat-scale,1))solid #fab1a0;background:#fff;border-radius:50%;justify-content:center;align-items:center;font-weight:800;transition:all .3s cubic-bezier(.175,.885,.32,1.275);display:flex;box-shadow:0 4px 10px #0000001a}.lock-icon{color:#fff;z-index:2;background:#6c5ce7;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:.8rem;animation:.3s cubic-bezier(.175,.885,.32,1.275) popIn;display:flex;position:absolute;top:-8px;right:-8px;box-shadow:0 2px 5px #0003}@keyframes popIn{0%{transform:scale(0)}to{transform:scale(1)}}.empty-seat-mark{color:#ccc;z-index:1;font-size:.8rem}.mode-tabs{background:#f1f2f6;border-radius:14px;gap:5px;margin-bottom:25px;padding:6px;display:inline-flex;box-shadow:inset 0 2px 4px #0000000d}.mode-tab{color:#57606f;cursor:pointer;background:#f1f2f6;border:2px solid #dfe4ea;border-radius:12px;align-items:center;gap:8px;padding:12px 28px;font-size:.95rem;font-weight:800;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;box-shadow:0 4px 6px #0000000d}.mode-tab:hover:not(.active){color:#6c5ce7;background:#fff;border-color:#6c5ce7;transform:translateY(-3px);box-shadow:0 8px 20px #0000001f}.result-actions{gap:10px;margin-top:20px;display:flex}.retry-btn,.reset-btn{cursor:pointer;border:none;border-radius:20px;padding:10px 20px;font-weight:600;transition:background .2s}.retry-btn{color:#fff;background:#6c5ce7}.reset-btn{color:#636e72;background:#dfe6e9}.retry-btn:hover{background:#5649c0}.reset-btn:hover{color:#fff;background:#b2bec3}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.mode-tabs{justify-content:center;gap:10px;margin-bottom:20px;display:flex}.mode-tab{color:#636e72;cursor:pointer;background:#f1f3f5;border:none;border-radius:20px;padding:10px 20px;font-weight:700;transition:all .2s}.mode-tab.active{color:#fff;background:#6c5ce7;box-shadow:0 4px 10px #6c5ce74d}.team-canvas{background:#fdfdfd;border:2px dashed #dfe6e9;border-radius:12px;width:100%;height:1000px;position:relative;overflow:hidden}.team-canvas.fullscreen{z-index:9999;border:none;border-radius:0;position:fixed;top:0;left:0;box-shadow:inset 0 0 50px #0000001a;width:100vw!important;height:100vh!important}.canvas-toolbar{z-index:100;gap:10px;display:flex;position:absolute;top:15px;right:15px}.canvas-tool-btn{color:#2d3436;cursor:pointer;background:#fff;border:2px solid #dfe6e9;border-radius:20px;padding:8px 15px;font-weight:700;transition:all .2s;box-shadow:0 4px 6px #0000000d}.canvas-tool-btn:hover{color:#fff;background:#6c5ce7;border-color:#6c5ce7}.team-unit-container{background:#fff;border:1px solid #dfe6e9;border-radius:12px;padding:10px;transition:box-shadow .2s;position:absolute;box-shadow:0 5px 15px #0000000d}.team-unit-container:hover{box-shadow:0 8px 20px #0000001a}.team-header-drag{text-align:center;color:#6c5ce7;cursor:grab;-webkit-user-select:none;user-select:none;background:#e3e0ff;border-radius:6px;margin-bottom:10px;padding:5px;font-weight:700}.team-header-drag:active{cursor:grabbing}.team-grid{justify-content:center;gap:10px;display:grid}.team-grid.size-3:not(.horizontal):not(.vertical){grid-template-columns:repeat(2,calc(120px*var(--seat-scale,1)));gap:calc(10px*var(--seat-scale,1))}.team-grid.size-3:not(.horizontal):not(.vertical)>:nth-child(3){width:calc(120px*var(--seat-scale,1));grid-column:1/3;justify-self:center}.team-grid.size-4,.team-grid.size-5:not(.horizontal):not(.vertical){grid-template-columns:repeat(2,calc(120px*var(--seat-scale,1)));gap:calc(10px*var(--seat-scale,1))}.team-grid.size-5:not(.horizontal):not(.vertical)>:nth-child(5){width:calc(120px*var(--seat-scale,1));grid-column:1/3;justify-self:center}.team-grid.size-6{grid-template-columns:repeat(2,calc(120px*var(--seat-scale,1)));gap:calc(10px*var(--seat-scale,1))}.team-grid.horizontal{grid-template-columns:repeat(auto-fill,calc(120px*var(--seat-scale,1)))!important}.team-grid.horizontal.size-3{grid-template-columns:repeat(3,calc(120px*var(--seat-scale,1)))!important}.team-grid.horizontal.size-4{grid-template-columns:repeat(4,calc(120px*var(--seat-scale,1)))!important}.team-grid.horizontal.size-5{grid-template-columns:repeat(5,calc(120px*var(--seat-scale,1)))!important}.team-grid.horizontal.size-6{grid-template-columns:repeat(6,calc(120px*var(--seat-scale,1)))!important}.team-grid.horizontal>:nth-child(5){grid-column:auto!important;justify-self:auto!important;width:auto!important}.team-grid.vertical{grid-template-columns:calc(120px*var(--seat-scale,1))!important}.team-grid.vertical>:nth-child(5){grid-column:auto!important;justify-self:auto!important;width:auto!important}