:root{--color-bg: #0b0b14;--color-surface: #0f0f1e;--color-surface2: #222249;--color-text: #c9c9c9;--color-text-muted: #828282;--color-accent: #4a90d9;--color-sun: #e87a90;--color-sat: #4a90d9;--color-holiday: #e05a5a;--color-today: rgba(74, 144, 217, .15);--color-border: #1e1e32;--color-hover: rgba(255, 255, 255, .05);--row-height: 110px}*{margin:0;padding:0;box-sizing:border-box}input,textarea,select{font-size:16px;touch-action:manipulation}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text)}.app{height:100%;display:flex;flex-direction:column}.calendar-container{height:100%;display:flex;flex-direction:column;overflow:hidden}.calendar-header{padding:8px 12px;text-align:left;border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;display:flex;align-items:center;justify-content:flex-start;position:relative}.calendar-header h1{font-size:1.1rem;font-weight:600}.calendar-header-center{margin-left:auto;margin-right:auto;display:flex;align-items:center}.filter-selector{display:flex;align-items:center;gap:6px;color:var(--color-text-muted);font-size:.8rem}.calendar-header-right{position:absolute;right:12px;display:flex;align-items:center;gap:8px}.header-user{font-size:.75rem;color:var(--color-text-muted)}.account-icon-btn{background:none;border:none;color:var(--color-text-muted);cursor:pointer;display:flex;align-items:center;padding:2px;border-radius:50%;transition:color .2s,background .2s}.account-icon-btn:hover{color:var(--color-text);background:var(--color-hover)}.account-menu-container{position:relative}.account-dropdown{position:absolute;right:0;top:calc(100% + 4px);background:var(--color-surface2);border:1px solid var(--color-border);border-radius:8px;min-width:160px;overflow:hidden;z-index:100;box-shadow:0 4px 16px #0000004d}.account-dropdown-item{display:flex;align-items:center;gap:8px;width:100%;padding:10px 14px;background:none;border:none;color:var(--color-text);font-size:.85rem;cursor:pointer;text-align:left;transition:background .15s}.account-dropdown-item:hover{background:var(--color-hover)}.account-dropdown-item:not(:last-child){border-bottom:1px solid var(--color-border)}.confirm-dialog{background:var(--color-surface);border-radius:12px;padding:24px;max-width:320px;width:90%;box-shadow:0 4px 24px #0006;text-align:center}.confirm-dialog p{margin-bottom:20px;font-size:.95rem}.confirm-actions{display:flex;gap:12px;justify-content:center}.confirm-btn-yes,.confirm-btn-no{padding:10px 28px;border-radius:8px;font-size:.85rem;cursor:pointer;border:none}.confirm-btn-yes{background:var(--color-sun);color:var(--color-text)}.confirm-btn-yes:hover{opacity:.85}.confirm-btn-no{background:var(--color-surface2);color:var(--color-text);border:1px solid var(--color-border)}.confirm-btn-no:hover{opacity:.85}.day-labels{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;padding:4px 0;font-size:.75rem;font-weight:600;border-bottom:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0}.day-label{padding:2px 0}.scroll-container{flex:1;overflow-y:auto;overflow-x:hidden}.sentinel{height:1px}.week-row{display:grid;grid-template-columns:repeat(7,1fr);height:var(--row-height);border-bottom:1px solid var(--color-border)}.day-cell{padding:2px 0;border-right:1px solid var(--color-border);cursor:pointer;display:flex;flex-direction:column;justify-content:flex-start;gap:1px;height:var(--row-height);overflow:hidden;transition:background .1s}.day-cell:nth-child(7){border-right:none}.day-cell.selected{background:var(--color-hover)}.day-cell.today{background:var(--color-today)}.day-cell.other-month{background:#0000001f}.day-cell.other-month .day-number{opacity:.35}.day-number{font-size:.8rem;font-weight:600;padding:1px 2px;flex-shrink:0}.day-schedules{display:flex;flex-direction:column;gap:1px;overflow:hidden}.schedule-chip{font-size:.6rem;padding:1px 2px 3px;margin:0 2px;border-radius:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:flex-start;line-height:1.3em;height:1.3em;box-sizing:content-box}.schedule-chip.schedule-start{border-radius:2px 0 0 2px;padding-left:2px;padding-right:0;margin-left:2px;margin-right:0}.schedule-chip.schedule-end{border-radius:0 2px 2px 0;padding-left:0;padding-right:2px;margin-left:0;margin-right:2px}.schedule-chip.schedule-middle{border-radius:0;padding-left:0;padding-right:0;margin-left:0;margin-right:0}.schedule-more{font-size:.6rem;color:var(--color-text-muted);padding:0 2px}.schedule-placeholder{font-size:.6rem;height:calc(1.3em + 4px);box-sizing:content-box;visibility:hidden}.dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:flex-end;justify-content:center;z-index:100;padding:0;overflow:hidden;transition:opacity .2s ease-out}.dialog-overlay-center{align-items:center}.dialog-overlay.closing{opacity:0}.toast-container{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;pointer-events:none}.toast{background:var(--color-surface2);color:var(--color-text);padding:12px 20px;border-radius:10px;font-size:.85rem;box-shadow:0 4px 20px #00000080;pointer-events:auto;animation:toast-slide-in .3s ease-out;border-left:4px solid var(--color-accent);white-space:nowrap}.toast.toast-error{border-left-color:var(--color-sun)}@keyframes toast-slide-in{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}.dialog{background:var(--color-surface);border-radius:16px 16px 0 0;width:100%;max-width:480px;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 -4px 24px #0006;animation:slideUp .2s ease-out}.dialog.closing{animation:slideDown .2s ease-out forwards}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes slideDown{0%{transform:translateY(0)}to{transform:translateY(100%)}}.dialog-header{display:flex;justify-content:space-between;align-items:center;padding:12px;border-bottom:1px solid var(--color-border)}.dialog-header h2{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.dialog-holiday-name{font-size:.75rem;font-weight:400;color:var(--color-holiday);display:inline-flex;align-items:center;gap:2px}.close-btn{background:none;border:none;color:var(--color-text-muted);font-size:1.2rem;cursor:pointer;padding:4px}.dialog-body{padding:8px 12px 16px;overflow-y:auto;flex:1;display:flex;flex-direction:column;gap:6px}.empty-msg{color:var(--color-text-muted);text-align:center;padding:24px 0}.dialog-error{color:var(--color-sun);font-size:.8rem;text-align:center;padding:8px;background:#e05a5a1a;border-radius:6px}.schedule-card{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;background:var(--color-surface2);border-radius:8px;gap:8px}.schedule-card-clickable{cursor:pointer}.schedule-card-clickable:hover{background:var(--color-hover)}.schedule-card-info{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}.schedule-card-info strong{font-size:.9rem}.schedule-time,.schedule-owner-members{font-size:.75rem;color:var(--color-text-muted)}.schedule-card-actions{display:flex;gap:2px;flex-shrink:0}.schedule-card-actions .icon-btn{background:none;border:none;color:var(--color-text-muted);padding:6px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;width:32px;height:32px;transition:background .15s,color .15s}.schedule-card-actions .icon-btn:hover{background:var(--color-hover);color:var(--color-text)}.schedule-card-actions .icon-btn.delete-btn-icon{color:#e06060}.schedule-card-actions .icon-btn.delete-btn-icon:hover{background:#e0606026;color:#e04040}.add-btn{width:100%;padding:8px;background:var(--color-accent);color:var(--color-text);border:none;border-radius:8px;font-size:.9rem;cursor:pointer;margin-top:2px}.add-btn:hover{opacity:.9}.delete-confirm{background:var(--color-surface2);border-radius:8px;padding:16px;text-align:center;margin-top:8px}.delete-confirm p{margin:0 0 12px;font-size:.9rem}.delete-confirm-actions{display:flex;gap:8px;justify-content:center}.delete-confirm-actions button{padding:8px 20px;border-radius:8px;font-size:.85rem;cursor:pointer;border:none}.delete-confirm-actions button.cancel-btn{background:#d0d0d8;color:#0b0b14;border:none}.delete-btn{background:var(--color-sun);color:var(--color-text);border:none;padding:6px 14px;border-radius:6px;cursor:pointer;font-size:.85rem}.delete-btn:hover{opacity:.9}.schedule-form{display:flex;flex-direction:column;gap:8px;padding:4px 0}.schedule-form label{display:flex;flex-direction:column;gap:4px;font-size:.8rem;color:var(--color-text-muted);font-weight:600}.schedule-form input[type=text],.schedule-form input[type=time],.schedule-form input[type=date],.schedule-form textarea{background:var(--color-surface2);border:1px solid var(--color-border);color:var(--color-text);padding:6px 8px;border-radius:6px;font-size:16px;font-family:inherit}.schedule-form input[type=checkbox]{width:18px;height:18px;accent-color:var(--color-accent)}.date-fields{display:flex;gap:10px}.date-fields label{flex:1}.time-fields{display:flex;gap:10px}.time-fields label{flex:1}.schedule-form textarea{resize:vertical;min-height:50px}.form-actions{display:flex;gap:8px;margin-top:0}.form-actions button{flex:1;padding:8px;border-radius:8px;font-size:.85rem;cursor:pointer;border:none}.form-actions button[type=submit],.save-btn{background:var(--color-accent);color:var(--color-text);border-radius:8px}.form-actions button[type=submit]:disabled,.save-btn:disabled{opacity:.6}.form-actions button[type=button],.cancel-btn{background:var(--color-surface2);color:var(--color-text);border:1px solid var(--color-border)}.login-page{height:100%;display:flex;align-items:center;justify-content:center;padding:16px}.login-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:32px 24px;width:100%;max-width:360px}.login-title{font-size:1.5rem;font-weight:700;text-align:center;margin-bottom:4px}.login-subtitle{text-align:center;color:var(--color-text-muted);font-size:.85rem;margin-bottom:20px}.login-error{color:var(--color-holiday);font-size:.8rem;text-align:center;margin-bottom:12px;padding:8px;background:#e05a5a1a;border-radius:6px}.login-form{display:flex;flex-direction:column;gap:12px}.login-form label{display:flex;flex-direction:column;gap:4px;font-size:.8rem;color:var(--color-text-muted)}.login-form input{background:var(--color-surface2);border:1px solid var(--color-border);color:var(--color-text);padding:8px 10px;border-radius:6px;font-size:16px;font-family:inherit}.required-mark{color:#f80;margin-left:1px;font-size:.75rem}.login-remember{flex-direction:row!important;align-items:center;gap:8px!important;font-size:.85rem!important;cursor:pointer}.login-remember input[type=checkbox]{width:16px;height:16px;accent-color:var(--color-accent);cursor:pointer}.login-btn{background:var(--color-accent);color:var(--color-text);border:none;padding:10px;border-radius:8px;font-size:.9rem;cursor:pointer;margin-top:4px}.login-btn:disabled{opacity:.6}.login-toggle{text-align:center;font-size:.8rem;color:var(--color-text-muted);margin-top:16px}.forgot-password-btn{display:block;margin:12px auto 0;text-align:center;font-size:.8rem}.forgot-password-hint{font-size:.8rem;color:var(--color-text-muted);margin:16px 0;line-height:1.6}.link-btn{background:none;border:none;color:var(--color-accent);cursor:pointer;font-size:.8rem;text-decoration:underline}.loading-screen{height:100%;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted)}.settings-btn{background:none;border:none;cursor:pointer;display:flex;align-items:center;padding:4px;opacity:.8;transition:opacity .2s}.settings-btn:hover{opacity:1}.settings-form{display:flex;flex-direction:column;gap:16px}.settings-form label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--color-text);margin-bottom:8px}.settings-form select{background:var(--color-surface2);color:var(--color-text);border:1px solid var(--color-border);padding:8px;border-radius:4px}.chip-color-swatches{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin-top:8px}.chip-color-swatch{width:100%;aspect-ratio:1;border-radius:6px;border:2px solid transparent;cursor:pointer;padding:0;transition:transform .15s,border-color .15s}.chip-color-swatch:hover{transform:scale(1.1)}.chip-color-swatch.selected{border-color:var(--color-text)}.color-preview{display:inline-block;padding:4px 10px;border-radius:4px;font-size:.75rem;line-height:1.5}.settings-form+.form-actions{border-top:1px solid var(--color-border);padding-top:12px;margin-top:4px}.settings-section{border-bottom:1px solid var(--color-border);padding-bottom:12px}.settings-section:last-of-type{border-bottom:none;padding-bottom:0}.settings-section-title{font-size:.8rem;font-weight:600;color:var(--color-text-muted);margin-bottom:4px}.settings-form input[type=text],.settings-form input[type=email],.settings-form input[type=password],.settings-form select{background:var(--color-surface2);color:var(--color-text);border:1px solid var(--color-border);padding:8px;border-radius:4px}.reset-btn{width:100%;padding:10px;border-radius:8px;font-size:.85rem;cursor:pointer;border:1px solid var(--color-sun);background:transparent;color:var(--color-sun);transition:background .2s}.reset-btn:hover{background:#e05a5a1a}.reset-btn:disabled{opacity:.6}.app-footer{display:flex;flex-shrink:0;background:var(--color-surface);border-top:1px solid var(--color-border);padding-bottom:env(safe-area-inset-bottom,0)}.footer-tab{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 0 8px;background:none;border:none;color:var(--color-text-muted);font-size:.65rem;cursor:pointer;transition:color .2s}.footer-tab.active{color:var(--color-accent)}.footer-tab span{line-height:1}.main-content{flex:1;overflow:hidden;display:flex;flex-direction:column}.management-screen{height:100%;display:flex;flex-direction:column;overflow:hidden}.management-header{display:flex;align-items:center;padding:8px 12px;background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-shrink:0}.management-header h1{font-size:1.1rem;font-weight:600}.management-tabs{display:flex;flex-shrink:0;border-bottom:1px solid var(--color-border);background:var(--color-surface)}.management-tab{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px 0;background:none;border:none;border-bottom:2px solid transparent;color:var(--color-text-muted);font-size:.85rem;cursor:pointer;transition:color .2s,border-color .2s}.management-tab.active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.management-body{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:16px}.management-list-item{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;background:var(--color-surface2);border-radius:6px;cursor:pointer;transition:background .15s}.management-list-item.selected{background:var(--color-accent)}.invitation-banner{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--color-accent);color:#fff;font-size:.85rem;cursor:pointer;flex-shrink:0;transition:background .15s}.invitation-banner:hover{background:#3a7bc8}.invitation-banner-arrow{font-size:1.3rem;line-height:1}.todo-screen{display:flex;flex-direction:column;height:100%;overflow:hidden}.todo-header{display:flex;align-items:center;padding:8px 12px;border-bottom:1px solid var(--color-border);flex-shrink:0;position:relative;background:var(--color-surface)}.todo-header h1{font-size:1.1rem;font-weight:600}.todo-add-btn{display:flex;align-items:center;justify-content:center;width:1.1rem;height:1.1rem;border-radius:50%;border:none;background:var(--color-accent);color:#fff;cursor:pointer;flex-shrink:0}.todo-body{flex:1;overflow-y:auto;padding:12px 16px}.todo-empty{color:var(--color-text-muted);text-align:center;margin-top:48px;font-size:.9rem}.todo-list{display:flex;flex-direction:column;gap:8px}.todo-card{display:flex;align-items:flex-start;gap:8px;padding:12px;background:var(--color-surface2);border-radius:8px}.todo-card-body{flex:1;min-width:0}.todo-card-title{font-weight:600;font-size:.9rem;word-break:break-word}.todo-card-desc{font-size:.8rem;color:var(--color-text-muted);margin-top:4px;word-break:break-word}.todo-card-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:.75rem;color:var(--color-text-muted);margin-top:6px}.todo-card-group{background:var(--color-surface1);padding:1px 6px;border-radius:4px}.todo-card-actions{display:flex;gap:4px;flex-shrink:0;padding-top:2px}.icon-btn{background:none;border:none;color:var(--color-text-muted);padding:6px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;width:32px;height:32px;transition:background .15s,color .15s;flex-shrink:0}.icon-btn:hover{background:var(--color-hover);color:var(--color-text)}.detail-field{display:flex;flex-direction:column;gap:4px}.detail-label{font-size:.75rem;color:var(--color-text-muted);display:flex;align-items:center}.detail-value{font-size:.9rem;color:var(--color-text);line-height:1.5;word-break:break-word}.detail-badge{display:inline-block;padding:2px 8px;background:var(--color-surface2);border-radius:999px;font-size:.8rem;color:var(--color-text)}.todo-section-header{display:flex;align-items:center;gap:6px;font-size:.85rem;font-weight:700;color:var(--color-text-muted);padding:4px 0;border-bottom:1px solid var(--color-border);margin-bottom:4px}