.calendar-page{max-width:1440px;margin:0 auto;padding:32px}.month-nav{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:24px}.month-nav-btn{width:44px;height:44px;border-radius:50%;border:2px solid var(--border);background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--text-secondary);padding:0;box-shadow:none;transition:all .2s ease}.month-nav-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);transform:none;box-shadow:none}.month-nav-label{font-size:1.3rem;font-weight:800;min-width:120px;text-align:center;color:var(--text-primary)}.today-btn{padding:8px 18px;border-radius:30px;border:2px solid var(--border);background:#fff;font-size:.85rem;font-weight:700;cursor:pointer;color:var(--text-secondary);box-shadow:none;transition:all .2s ease}.today-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light);transform:none;box-shadow:none}.filter-container{background:#ffffffb3;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.5);border-radius:var(--radius-lg);padding:24px 32px;margin-bottom:48px;box-shadow:var(--shadow-md)}.filter-section{margin-bottom:16px}.filter-section:last-child{margin-bottom:0}.filter-section-label{font-size:.78rem;font-weight:700;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px}.filter-chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.filter-chip{background:#fff;border:1px solid var(--border);padding:8px 16px;border-radius:30px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:none;color:var(--text-primary)}.filter-chip:hover{border-color:var(--border-strong);background:var(--surface-hover);transform:none;box-shadow:none}.filter-chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff}.filter-chip.is-active:hover{background:#4338ca;border-color:#4338ca;color:#fff}.filter-reset{background:transparent;border:1px dashed var(--border-strong);padding:8px 16px;border-radius:30px;font-size:.85rem;font-weight:600;cursor:pointer;color:var(--text-tertiary);box-shadow:none;transition:all .2s ease}.filter-reset:hover{border-color:#ef4444;color:#ef4444;background:#fef2f2;transform:none;box-shadow:none}.hide-past-toggle{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:.85rem;color:var(--text-secondary);cursor:pointer;-webkit-user-select:none;user-select:none}.hide-past-toggle input{accent-color:var(--primary)}.calendar-month{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-md)}.weekdays{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;font-weight:800;color:var(--text-tertiary);font-size:.85rem;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.weekdays div:first-child{color:#ef4444}.weekdays div:last-child{color:#3b82f6}.days-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:16px}.day-cell{background:#fff;border:2px solid var(--border);border-radius:var(--radius-md);min-height:160px;padding:12px;transition:border-color .2s ease}.day-cell:hover{border-color:var(--border-strong)}.day-cell.today{border-color:var(--primary)}.day-cell.past{opacity:.45}.day-cell.empty{background:transparent;border-color:transparent;min-height:0}.day-number{font-weight:800;font-size:.9rem;margin-bottom:8px;color:var(--text-secondary)}.day-cell.today .day-number{color:var(--primary)}.day-cell:nth-child(7n+1) .day-number{color:#ef4444}.day-cell:nth-child(7n) .day-number{color:#3b82f6}.day-cell.today:nth-child(7n+1) .day-number,.day-cell.today:nth-child(7n) .day-number{color:var(--primary)}.class-block{padding:10px;border-radius:var(--radius-sm);margin-bottom:10px;font-size:.85rem;border-left:4px solid var(--border);transition:transform .15s ease;cursor:default}.class-block:last-child{margin-bottom:0}.class-block:hover{transform:translate(4px)}.class-block.dimmed{opacity:.35}.class-week{font-size:.7rem;color:var(--primary);font-weight:800}.class-title{font-weight:800;line-height:1.3}.class-school-time{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.class-school-name{font-size:.9rem;font-weight:800}.class-time-badge{font-size:.75rem;color:var(--text-tertiary);background:#0000000d;padding:2px 6px;border-radius:4px;white-space:nowrap}.class-meta{color:var(--text-secondary);font-size:.75rem;line-height:1.4}.class-meta .sub-inst{color:var(--text-tertiary)}.class-note{font-size:.75rem;font-style:italic;background:#00000008;padding:4px 6px;border-radius:4px;margin-top:4px;color:var(--text-secondary)}.class-room{font-size:.7rem;color:var(--text-tertiary)}.type-online{border-left-style:dashed}.type-exam{background:#fef3c7;border-left-color:#f59e0b}.type-holiday{background:#f1f5f9;border-left-color:#cbd5e1;opacity:.7}.type-holiday .class-title{text-decoration:line-through;color:var(--text-tertiary)}.conflict-warn{border-radius:8px;padding:6px 10px;margin-top:8px;font-size:.78rem;display:flex;align-items:flex-start;gap:6px}.conflict-warn.conflict-error{background:#fef2f2;border:1px solid #fca5a5;color:#b91c1c}.calendar-loading{text-align:center;padding:80px 0;color:var(--text-tertiary);font-size:1rem}.calendar-error{text-align:center;padding:24px;background:#fef2f2;border:1px solid #fca5a5;border-radius:var(--radius-md);color:#b91c1c;margin-bottom:24px}@media(max-width:1024px){.calendar-page,.calendar-month{padding:20px}.days-grid{gap:8px}.day-cell{padding:8px;min-height:120px}.class-block{font-size:.8rem;padding:8px}.filter-container{padding:16px 20px;margin-bottom:24px}}@media(max-width:768px){.days-grid{grid-template-columns:1fr}.weekdays,.day-cell.empty{display:none}.day-cell{min-height:auto}}.stats-page{padding-bottom:64px}.stats-year-title{font-size:1.5rem;font-weight:800;color:var(--text-primary);margin-bottom:32px}.stats-loading,.stats-error{text-align:center;padding:64px 0;color:var(--text-tertiary);font-size:1rem}.stats-error{color:#ef4444}.stats-section{margin-bottom:40px}.stats-section-title{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin-bottom:16px;display:flex;align-items:center;gap:8px}.stats-badge{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;padding:0 8px;border-radius:12px;background:#ef4444;color:#fff;font-size:.75rem;font-weight:700}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.stats-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm)}.stats-card-compact{padding:20px}.stats-card-header{font-size:.9rem;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.stats-card-number{font-size:2rem;font-weight:800;color:var(--primary);line-height:1.2;margin-bottom:4px}.stats-card-detail{font-size:.8rem;color:var(--text-tertiary);margin-bottom:12px}.stats-card-detail-sep{margin:0 4px;opacity:.5}.stats-bar-track{height:6px;background:var(--bg-main);border-radius:3px;overflow:hidden;margin-top:8px}.stats-bar-fill{height:100%;background:var(--primary);border-radius:3px;transition:width .4s ease;min-width:2px}.monthly-chart{display:flex;flex-direction:column;gap:10px}.monthly-bar-row{display:flex;align-items:center;gap:12px}.monthly-label{width:36px;font-size:.85rem;font-weight:600;color:var(--text-secondary);text-align:right;flex-shrink:0}.monthly-bar-track{flex:1;height:24px;background:var(--bg-main);border-radius:6px;overflow:hidden}.monthly-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary),#7c3aed);border-radius:6px;transition:width .4s ease;min-width:2px}.monthly-count{width:36px;font-size:.85rem;font-weight:700;color:var(--primary);flex-shrink:0}.unassigned-list{display:flex;flex-direction:column;gap:8px}.unassigned-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--bg-main);border-radius:var(--radius-sm);font-size:.85rem}.unassigned-date{font-weight:700;color:var(--text-primary);flex-shrink:0}.unassigned-time{color:var(--text-tertiary);flex-shrink:0}.unassigned-school{font-weight:600;color:var(--primary);flex-shrink:0}.unassigned-title{color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stats-empty{color:var(--text-tertiary);font-size:.9rem;padding:16px 0}@media(max-width:640px){.stats-grid{grid-template-columns:1fr}.unassigned-item{flex-wrap:wrap;gap:6px}}:root{--bg-main: #f4f7f6;--surface: #ffffff;--surface-hover: #f1f3f5;--border: #e2e8f0;--border-strong: #ced4da;--text-primary: #1e293b;--text-secondary: #475569;--text-tertiary: #94a3b8;--primary: #4f46e5;--primary-light: #e0e7ff;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-md: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .025);--shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, .05), 0 10px 10px -5px rgba(0, 0, 0, .02)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Pretendard,-apple-system,BlinkMacSystemFont,system-ui,Roboto,sans-serif;background-color:var(--bg-main);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-width:320px;min-height:100vh}#root{min-height:100vh}a{font-weight:500;color:var(--primary);text-decoration:none}a:hover{color:#3730a3}h1,h2,h3{color:var(--text-primary)}button{border-radius:var(--radius-sm);border:1.5px solid var(--border);padding:.5em 1.1em;font-size:.88em;font-weight:500;font-family:inherit;background-color:var(--surface);color:var(--text-primary);cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-sm)}button:hover{background-color:var(--primary-light);border-color:var(--primary);transform:translateY(-1px);box-shadow:var(--shadow-md)}button:active{transform:translateY(0)}button:focus,button:focus-visible{outline:3px solid rgba(79,70,229,.3);outline-offset:2px}input,select{font-family:inherit}.container{max-width:1440px;margin:0 auto;padding:0 32px}.tab-nav{display:flex;gap:8px;padding:6px;background:#fff9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:30px;width:fit-content;margin:0 auto 32px}.tab-nav button{padding:10px 24px;border-radius:30px;border:none;background:transparent;color:var(--text-secondary);font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s ease;box-shadow:none}.tab-nav button:hover{background:var(--surface-hover);color:var(--text-primary);transform:none;box-shadow:none}.tab-nav button.active{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.tab-nav button.active:hover{background:#4338ca;color:#fff}.header{text-align:center;padding:48px 0 24px}.header h1{font-size:2rem;font-weight:900;background:linear-gradient(135deg,var(--primary),#7c3aed);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em}.header p{color:var(--text-tertiary);font-size:1rem;margin-top:8px}