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ease;font-size:1rem;font-weight:600;color:var(--text-color);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.year-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#7c5cbf15,#a78bfa15);opacity:0;transition:opacity .15s ease}.year-card:hover{border-color:var(--hover-border-color)}.year-card.selected{background:#fff;border-color:#fff;color:#000}.branch-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:1rem}.branch-card{font-family:JetBrains Mono,monospace;background:var(--select-bg);border:1px solid var(--border-color);border-radius:1.25rem;padding:1.5rem;cursor:pointer;transition:all .15s ease;font-size:.95rem;font-weight:600;color:var(--text-color);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}.branch-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,#7c5cbf15,#a78bfa15);opacity:0;transition:opacity .15s ease}.branch-card:hover{border-color:var(--hover-border-color)}.branch-card.selected{background:var(--button-bg);border-color:#fff;color:var(--bg-color)}.branch-label,.year-label{position:relative;z-index:1}.info-message{background:linear-gradient(135deg,#7c5cbf10,#a78bfa10);border:1px solid var(--border-color);border-radius:1rem;padding:1.25rem;text-align:center;overflow:hidden;transition:max-height .25s ease,opacity .2s ease,transform .2s ease,padding .25s ease,border-width .25s ease}.info-message.collapsed{max-height:0;opacity:0;transform:translateY(-6px);margin-top:0;padding-top:0;padding-bottom:0;border-width:0}.info-message.expanded{max-height:120px;opacity:1;transform:translateY(0);margin-top:2rem}.info-message p{color:var(--text-color);font-size:.95rem;font-weight:500;margin:0;font-family:JetBrains Mono,monospace;font-weight:400}.onboarding-footer{display:flex;flex-direction:column;gap:1rem}.continue-button{background:var(--button-bg);color:var(--bg-color);border:none;border-radius:1rem;padding:1rem 2rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .15s ease;width:100%}.continue-button:disabled{opacity:.5;cursor:not-allowed}.footer-text{text-align:center;font-size:.875rem;color:var(--text-color);opacity:.6;margin:0}@media (max-width: 768px){.onboarding-content{padding:2rem;gap:2rem}.onboarding-header h1{font-size:1.875rem}.onboarding-header p{font-size:1rem}.section-title{font-size:1.1rem}.year-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.75rem}.year-card{padding:1.25rem;font-size:.9rem;border-radius:1rem}.branch-grid{grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:.75rem}.branch-card{padding:1.25rem;font-size:.85rem;border-radius:1rem}.continue-button{padding:.875rem 1.5rem;font-size:.95rem}.semester-btn{padding:.75rem;font-size:.8rem}}@media (max-width: 480px){.onboarding-modal{width:95%;border-radius:1.5rem;max-height:85vh}.onboarding-content{padding:1.5rem;gap:1.5rem}.onboarding-header h1{font-size:1.5rem}.onboarding-header p{font-size:.9rem}.section-title{font-size:1rem}.year-grid{grid-template-columns:repeat(2,1fr);gap:.5rem}.year-card{padding:1rem;font-size:.8rem}.branch-grid{grid-template-columns:repeat(2,1fr);gap:.5rem}.branch-card{padding:1rem;font-size:.75rem}.info-message{padding:1rem}.info-message p{font-size:.85rem}.semester-btn{padding:.75rem;font-size:.8rem}}.grouped-paper-container{padding:0!important;display:flex;flex-direction:column}.grouped-paper-container .paper-header{padding:1.25rem 1.25rem .75rem}.grouped-papers-tiles{display:flex;flex-direction:column;gap:0;background-color:var(--paper-details-bg);border-top:1px solid var(--border-color);border-radius:0 0 .75rem .75rem;overflow:hidden}.paper-tile{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1.25rem;border-bottom:1px solid var(--border-color);background-color:var(--paper-details-bg);transition:background-color .15s ease}.paper-tile:last-child{border-bottom:none}.paper-tile:hover{background-color:#7c5cbf08}.dark-theme .paper-tile:hover{background-color:#a78bfa0d}.tile-content{display:flex;flex-direction:column;gap:.3rem;flex:1;min-width:0}.tile-content p{margin:0;font-size:.8rem;line-height:1.4;font-family:JetBrains Mono,monospace}.tile-content strong{color:var(--text-color);font-weight:600}.tile-actions{display:flex;gap:.5rem;flex-shrink:0;flex-wrap:wrap;justify-content:flex-end}.tile-actions .view-button{display:flex;padding:.6rem .9rem;font-size:.75rem;margin-bottom:0}.tile-actions .delete-button{display:flex;padding:.6rem .9rem;font-size:.75rem}.bi.bi-arrow-up-right{margin-top:1px}