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ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}.validation-icon{font-size:1.3rem;min-width:28px;line-height:1;margin-top:2px}.validation-content{flex:1;display:flex;flex-direction:column;gap:.25rem}.validation-text{color:var(--text-primary);font-size:.95rem;font-weight:500;line-height:1.4}.validation-detail{color:var(--text-secondary);font-size:.85rem;line-height:1.5;font-family:Courier New,monospace;background:#0003;padding:.4rem .6rem;border-radius:4px;margin-top:.25rem}.validation-summary{display:flex;gap:1rem;padding:1rem;background:var(--bg-tertiary);border-radius:6px;margin-bottom:1rem;flex-wrap:wrap}.validation-summary-item{display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:var(--bg-secondary);border-radius:6px;font-size:.9rem}.validation-summary-item .count{font-weight:700;font-size:1.1rem}.validation-summary-item.success .count{color:var(--success)}.validation-summary-item.warning .count{color:var(--warning)}.validation-summary-item.error .count{color:var(--error)}.step-indicator{display:flex;justify-content:center;gap:1rem;margin-top:2rem;flex-wrap:wrap}.step{padding:.5rem 1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:20px;font-size:.9rem;color:var(--text-secondary);transition:all .3s ease}.step.active{background:var(--accent);color:#fff;border-color:var(--accent)}.step.completed{background:var(--success);color:#fff;border-color:var(--success)}.step-content{display:none}.step-content.active{display:block}.daily-classes-section{margin-top:2rem}.daily-classes-section h3{font-size:1.2rem;margin-bottom:1rem;color:var(--text-secondary)}.daily-classes-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}.daily-class-input{display:flex;flex-direction:column;gap:.5rem}.daily-class-input label{color:var(--text-secondary);font-size:.9rem;font-weight:600}.daily-class-input input{padding:.75rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;color:var(--text-primary);font-size:1rem}.navigation-buttons{display:flex;gap:1rem;margin-top:2rem}.navigation-buttons button{flex:1}.hint{color:var(--text-secondary);font-size:.85rem;margin-top:.25rem;display:block}.placeholder{padding:3rem;text-align:center;color:var(--text-secondary);background:var(--bg-tertiary);border-radius:8px;border:2px dashed var(--border)}.footer{text-align:center;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border);color:var(--text-secondary);font-size:.9rem}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:5px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.tagify-wrapper{width:100%}.tagify-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.tagify-header label{color:var(--text-secondary);font-size:.9rem}.btn-upload{padding:.4rem .8rem;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;cursor:pointer;font-size:.85rem;transition:all .3s ease}.btn-upload:hover{background:var(--accent);border-color:var(--accent);color:#fff}.tagify-input{width:100%}.tagify{--tags-border-color: var(--border);--tags-hover-border-color: var(--accent);--tags-focus-border-color: var(--accent);--tag-bg: var(--bg-tertiary);--tag-hover: var(--accent);--tag-text-color: var(--text-primary);--tag-text-color--edit: var(--text-primary);--tag-pad: .4em .6em;--tag-inset-shadow-size: 1.1em;--tag-invalid-color: var(--error);--tag-invalid-bg: rgba(244, 67, 54, .2);--tag-remove-bg: rgba(244, 67, 54, .3);--tag-remove-btn-color: var(--text-primary);--tag-remove-btn-bg: none;--tag-remove-btn-bg--hover: var(--error);--input-color: var(--text-primary);--placeholder-color: var(--text-secondary);--placeholder-color-focus: var(--text-secondary);border-radius:6px;background:var(--bg-tertiary);border:1px solid var(--border);padding:.5rem;min-height:100px;max-height:300px;overflow-y:auto}.tagify:hover{border-color:var(--accent)}.tagify.tagify--focus{border-color:var(--accent);box-shadow:0 0 0 2px #4a9eff33}.tagify__tag{margin:3px}.tagify__tag-text{color:var(--text-primary)}.tagify__input{color:var(--text-primary);margin:3px;padding:.3em}.tagify__input:before{color:var(--text-secondary)}.tagify__tag.tagify--mark{--tag-bg: var(--tag-invalid-bg);animation:shake .3s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.preview-section{margin-bottom:2rem}.preview-summary{display:grid;gap:1.5rem}.preview-group{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:1.5rem}.preview-group h4{margin:0 0 1rem;color:var(--accent);font-size:1.1rem;display:flex;align-items:center;gap:.5rem}.preview-group h4:before{content:"";display:inline-block;width:4px;height:1.2rem;background:var(--accent);border-radius:2px}.preview-item{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;border-bottom:1px solid var(--border)}.preview-item:last-child{border-bottom:none}.preview-label{color:var(--text-secondary);font-size:.95rem}.preview-value{color:var(--text-primary);font-weight:500;font-size:1rem}.preview-value.highlight{color:var(--accent);font-weight:600}.preview-list{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.preview-tag{display:inline-block;padding:.3rem .6rem;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:4px;font-size:.85rem}.preview-tag.count{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}.advanced-constraints-section{margin-top:2rem;padding:1.5rem;background:var(--bg-secondary);border:1px dashed var(--border);border-radius:8px}.advanced-constraints-section h3{margin-top:0;color:var(--text-secondary)}.feature-list{list-style:none;padding:0;margin:1rem 0 0}.feature-list li{padding:.5rem 0;color:var(--text-secondary);font-size:.95rem}.quick-edit-btn{padding:.3rem .8rem;background:var(--bg-tertiary);color:var(--accent);border:1px solid var(--accent);border-radius:4px;cursor:pointer;font-size:.85rem;transition:all .3s ease}.quick-edit-btn:hover{background:var(--accent);color:#fff}