:root{--bg-color:#f8f9fa;--text-color:#212529;--card-bg:#ffffff;--accent-color:#0d6efd;--secondary-text:#6c757d;--border-color:#dee2e6;--paper-color:#dc3545;--abstract-color:#fd7e14;--conf-color:#198754;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px rgba(0,0,0,0.05);--radius-sm:6px;--radius-md:12px}[data-theme=dark]{--bg-color:#121212;--text-color:#e9ecef;--card-bg:#1e1e1e;--accent-color:#6ea8fe;--secondary-text:#adb5bd;--border-color:#343a40;--paper-color:#ff6b6b;--abstract-color:#ffc107;--conf-color:#20c997;--shadow-sm:0 1px 2px rgba(0,0,0,0.3);--shadow-md:0 4px 6px rgba(0,0,0,0.3)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);margin:0;padding:0;transition:background-color .3s,color .3s;line-height:1.5;-webkit-font-smoothing:antialiased}header{padding:.75rem 1.5rem;background-color:var(--card-bg);border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}nav a{margin-right:1.25rem;text-decoration:none;color:var(--secondary-text);font-weight:600;font-size:.9rem;transition:color .2s}nav a:hover{color:var(--accent-color)}nav a.active{color:var(--accent-color)}.theme-toggle{background:0 0;border:1px solid var(--border-color);color:var(--text-color);padding:.5rem 1rem;border-radius:var(--radius-sm);cursor:pointer;font-weight:500;transition:all .2s}.theme-toggle:hover{background-color:var(--bg-color);border-color:var(--secondary-text)}main{max-width:1200px;margin:1.5rem auto;padding:0 1rem}.area-filter{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.filter-tag{font-size:.8rem;background-color:var(--card-bg);border:1px solid var(--border-color);padding:.3rem .8rem;border-radius:50px;cursor:pointer;transition:all .2s;color:var(--secondary-text);font-weight:500}.filter-tag:hover{border-color:var(--accent-color);color:var(--accent-color);transform:translateY(-1px)}.filter-tag.active{background-color:var(--accent-color);color:#fff;border-color:var(--accent-color);box-shadow:0 2px 4px rgba(13,110,253,.25)}main a:not(.conf-title):not(.filter-tag):not(.tag){color:var(--accent-color);text-decoration:none;position:relative;font-weight:500;transition:color .2s}main a:not(.conf-title):not(.filter-tag):not(.tag)::after{content:'';position:absolute;width:100%;height:1.5px;bottom:-2px;left:0;background-color:var(--accent-color);transform:scaleX(0);transform-origin:bottom right;transition:transform .3s ease}main a:not(.conf-title):not(.filter-tag):not(.tag):hover::after{transform:scaleX(1);transform-origin:bottom left}.deadline-card{background-color:var(--card-bg);padding:1.5rem;border-radius:var(--radius-md);margin-bottom:1rem;border:1px solid var(--border-color);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;display:flex;justify-content:space-between;align-items:flex-start;gap:1.5rem}.deadline-card:hover{box-shadow:var(--shadow-md)}.deadline-left{flex:1;min-width:0}.deadline-right{text-align:right;display:flex;flex-direction:column;align-items:flex-end;min-width:220px}.deadline-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.25rem;flex-wrap:wrap}.conf-title{font-size:1.35rem;font-weight:700;text-decoration:none;color:var(--text-color);letter-spacing:-.5px}.conf-title:hover{color:var(--accent-color)}.conf-tags{display:flex;gap:.5rem}.tag{font-size:.75rem;background-color:var(--bg-color);color:var(--secondary-text);padding:.25rem .75rem;border-radius:4px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.venue{color:var(--secondary-text);font-size:.9rem;margin-bottom:1rem}.timer{font-family:'SF Mono','Roboto Mono',monospace;font-size:1.75rem;font-weight:700;margin-bottom:.5rem;color:var(--accent-color);letter-spacing:-1px;line-height:1.2}.date-item{font-size:.9rem;color:var(--secondary-text);margin-bottom:.25rem;display:flex;gap:.5rem}.date-label{font-weight:600;color:var(--text-color);min-width:70px}.card-links{display:flex;gap:1rem;font-size:.85rem;margin-top:.25rem}.card-links a{text-decoration:none;color:var(--secondary-text);transition:color .2s;display:flex;align-items:center;gap:.25rem;font-weight:500}.card-links a:hover{color:var(--accent-color)}@media (max-width:700px){.deadline-card{flex-direction:column;gap:1rem}.deadline-right{width:100%;align-items:flex-start;text-align:left;border-top:1px solid var(--border-color);padding-top:1rem;min-width:auto}.timer{font-size:1.5rem}}.calendar-controls{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;background-color:var(--card-bg);padding:.75rem 1rem;border-radius:var(--radius-md);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.calendar-controls h2{font-size:1.25rem;font-weight:700}.year-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}@media (max-width:1000px){.year-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.year-grid{grid-template-columns:1fr}}.month-container{padding:0}.month-title{text-align:center;font-weight:700;margin-bottom:.75rem;color:var(--text-color);font-size:1rem}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:0}.calendar-day-header{text-align:center;font-weight:600;font-size:.7rem;color:var(--secondary-text);padding-bottom:6px;text-transform:uppercase}.calendar-day{min-height:38px;padding:2px;font-size:.8rem;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;color:var(--secondary-text);border-radius:4px;transition:background-color .2s}.calendar-day.has-event{cursor:pointer;font-weight:600;color:var(--text-color)}.calendar-day.has-event:hover{background-color:var(--card-bg);box-shadow:0 0 0 1px var(--border-color);z-index:1}.calendar-day.empty{background-color:transparent}.calendar-day.today{color:var(--accent-color);font-weight:700;background-color:rgba(13,110,253,.1);border-radius:4px}[data-theme=dark] .calendar-day.today{background-color:rgba(110,168,254,.15)}.event-bars{display:flex;flex-direction:column;gap:3px;width:100%;align-items:center;margin-top:4px}.event-bar{width:20px;height:3px;border-radius:2px}.event-bar.paper{background-color:var(--paper-color)}.event-bar.abstract{background-color:var(--abstract-color)}.event-bar.conference{background-color:var(--conf-color)}.calendar-day:hover .event-tooltip{display:block;animation:fadeIn .2s ease-out}@keyframes fadeIn{from{opacity:0;transform:translate(-50%,5px)}to{opacity:1;transform:translate(-50%,0)}}.event-tooltip{display:none;position:absolute;bottom:100%;left:50%;transform:translateX(-50%);background-color:var(--text-color);color:var(--bg-color);padding:.5rem .8rem;border-radius:6px;font-size:.75rem;white-space:nowrap;z-index:100;box-shadow:0 4px 12px rgba(0,0,0,.15);font-weight:500;pointer-events:none}.event-tooltip::after{content:'';position:absolute;top:100%;left:50%;margin-left:-5px;border-width:5px;border-style:solid;border-color:var(--text-color) transparent transparent transparent}.detail-header{margin-bottom:2rem;text-align:center;padding:2rem 0;background-color:var(--card-bg);border-radius:var(--radius-md);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}.detail-header h1{font-size:2rem;margin:0 0 .75rem 0;letter-spacing:-1px}.detail-header .venue{font-size:1.1rem;margin-bottom:.5rem}.detail-header .dates{color:var(--secondary-text);font-size:1rem}.detail-deadlines{max-width:800px;margin:0 auto}.deadline-item{background-color:var(--card-bg);padding:1.5rem;margin-bottom:1rem;border-radius:var(--radius-md);border:1px solid var(--border-color);border-left:5px solid var(--accent-color);box-shadow:var(--shadow-sm)}.deadline-item h3{margin-top:0;font-size:1.2rem;color:var(--secondary-text);text-transform:uppercase;letter-spacing:1px;font-size:.9rem}.deadline-item.passed{border-left-color:var(--secondary-text);opacity:.6;filter:grayscale(1)}@media (max-width:600px){header{padding:1rem}main{padding:0 1rem}.timer{font-size:1.8rem}.detail-header h1{font-size:1.8rem}}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000;opacity:0;visibility:hidden;transition:all .2s;backdrop-filter:blur(2px)}.modal-overlay.open{opacity:1;visibility:visible}.modal-content{background:var(--card-bg);padding:1.5rem;border-radius:var(--radius-md);box-shadow:var(--shadow-md);width:90%;max-width:320px;border:1px solid var(--border-color);animation:modalSlideIn .2s ease-out}@keyframes modalSlideIn{from{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-title{font-size:1.1rem;font-weight:700;margin-bottom:1rem;text-align:center;color:var(--text-color)}.modal-list{display:flex;flex-direction:column;gap:.5rem}.modal-item{padding:.75rem;border:1px solid var(--border-color);border-radius:var(--radius-sm);text-decoration:none;color:var(--text-color);font-weight:500;transition:all .2s;text-align:center;display:block;background-color:var(--bg-color)}.modal-item:hover{border-color:var(--accent-color);color:var(--accent-color);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.modal-close{margin-top:1rem;width:100%;padding:.5rem;background:0 0;border:none;color:var(--secondary-text);cursor:pointer;font-size:.85rem;font-weight:500}.modal-close:hover{color:var(--text-color);text-decoration:underline}.deadline-card.estimated{border:2px dashed var(--secondary-text);background-color:rgba(0,0,0,.02)}.tag.estimated{background-color:var(--secondary-text);color:#fff}.timer.estimated{color:var(--secondary-text)}