:root{--color-primary: #ff8fa8;--color-primary-dark: #ff6b93;--color-primary-darker: #f0507d;--color-primary-light: #ffe3ea;--color-primary-soft: #fff0f3;--color-lavender: #a89bf0;--color-lavender-dark: #8b7bea;--color-lavender-light: #ece7ff;--color-mint: #55c9ae;--color-mint-light: #dff7f0;--color-peach: #ffb98a;--color-peach-light: #fff1e2;--color-sun: #ffce6b;--color-bg-start: #fff9f5;--color-bg-mid: #fff1f4;--color-bg-end: #f4efff;--color-surface: #ffffff;--color-surface-alt: #fffbfa;--color-text: #4a4458;--color-text-soft: #8b8398;--color-text-faint: #b7b0c4;--color-border: #f1e6ea;--color-error: #e2536f;--color-error-bg: #fdeaee;--color-success: #2fa384;--color-success-bg: #e4f7f1;--radius-sm: 10px;--radius-md: 16px;--radius-lg: 22px;--radius-pill: 999px;--shadow-xs: 0 1px 2px rgba(74, 68, 88, .06);--shadow-card: 0 6px 18px -6px rgba(255, 111, 148, .22), 0 1px 3px rgba(74, 68, 88, .05);--shadow-float: 0 10px 26px -6px rgba(255, 90, 133, .4);--shadow-modal: 0 -8px 30px rgba(74, 68, 88, .18);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .24s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .32s cubic-bezier(.34, 1.56, .64, 1);color-scheme:light}.cat-color-0{--cat-color: var(--color-primary)}.cat-color-1{--cat-color: var(--color-lavender)}.cat-color-2{--cat-color: var(--color-mint)}.cat-color-3{--cat-color: var(--color-peach)}.cat-color-4{--cat-color: #6fb3e0}.cat-color-5{--cat-color: #e08fd8}*{box-sizing:border-box}html{-webkit-tap-highlight-color:transparent}body{margin:0;font-family:-apple-system,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic UI,system-ui,Segoe UI,sans-serif;color:var(--color-text);background:linear-gradient(160deg,var(--color-bg-start) 0%,var(--color-bg-mid) 45%,var(--color-bg-end) 100%) fixed;min-height:100vh;letter-spacing:.01em}#app{max-width:480px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;position:relative}#view{flex:1;padding:20px 16px 100px;animation:view-fade-in var(--transition-normal) both}@keyframes view-fade-in{0%{opacity:0}to{opacity:1}}h1{font-size:1.4rem;font-weight:800;margin:4px 0 18px;color:var(--color-text);display:flex;align-items:center;gap:8px;letter-spacing:.02em}h1:before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-lavender))}h2{font-size:1rem;font-weight:700;margin:0 0 12px;color:var(--color-text);display:flex;align-items:center;gap:6px}h2 svg{color:var(--color-primary-dark);flex-shrink:0}p{line-height:1.6}.tabbar{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;display:flex;background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--color-border);padding:6px 10px calc(6px + env(safe-area-inset-bottom,0px));gap:4px;box-shadow:0 -6px 20px #ff6f941f;z-index:20}.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:8px 0 6px;border:none;background:none;font-size:.72rem;font-weight:600;color:var(--color-text-faint);border-radius:var(--radius-sm);transition:color var(--transition-fast),background var(--transition-fast),transform var(--transition-fast);font-family:inherit}.tabbar button .tab-icon{display:flex;transition:transform var(--transition-bounce)}.tabbar button:active{transform:scale(.93)}.tabbar button.active{color:var(--color-primary-darker);background:var(--color-primary-light)}.tabbar button.active .tab-icon{transform:translateY(-1px) scale(1.08)}.banner{display:flex;align-items:center;gap:8px;background:linear-gradient(120deg,var(--color-primary),var(--color-primary-dark));color:#fff;padding:12px 14px;border-radius:var(--radius-md);margin-bottom:14px;font-size:.88rem;font-weight:600;box-shadow:var(--shadow-card);animation:banner-in var(--transition-bounce) both}.banner:before{content:"";flex-shrink:0;width:20px;height:20px;background:#ffffff40;border-radius:50%}@keyframes banner-in{0%{opacity:0;transform:translateY(-8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.empty-state{color:var(--color-text-soft);text-align:center;margin-top:32px;padding:28px 20px;background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);display:flex;flex-direction:column;align-items:center;gap:10px;font-size:.92rem}.empty-state .empty-icon{display:flex;opacity:.9}.task-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.task-item{display:flex;align-items:center;gap:10px;padding:14px;background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-card);border:1px solid transparent;transition:transform var(--transition-fast),box-shadow var(--transition-fast),opacity var(--transition-normal);animation:item-in var(--transition-normal) both}@keyframes item-in{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.task-item:active{transform:scale(.99)}.task-item.overdue{border-color:var(--color-primary-light);background:linear-gradient(0deg,var(--color-primary-soft),var(--color-primary-soft)),var(--color-surface);box-shadow:0 6px 18px -6px #e2536f47}.task-item.overdue .task-meta{color:var(--color-error);font-weight:600}.task-item.completed{opacity:.62;box-shadow:var(--shadow-xs)}.task-item.completed .task-title{text-decoration:line-through;color:var(--color-text-faint)}.complete-checkbox{position:relative;width:26px;height:26px;flex-shrink:0;display:flex}.complete-checkbox input[type=checkbox]{position:absolute;top:0;right:0;bottom:0;left:0;margin:0;opacity:0;cursor:pointer;z-index:1}.complete-checkbox .check-visual{width:26px;height:26px;border-radius:50%;border:2px solid var(--color-primary-light);background:#fff;display:flex;align-items:center;justify-content:center;color:#fff;transition:all var(--transition-bounce)}.complete-checkbox input:checked~.check-visual{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));border-color:var(--color-primary-dark);transform:scale(1.05)}.complete-checkbox input:checked~.check-visual svg{transform:scale(1);opacity:1}.complete-checkbox .check-visual svg{transform:scale(.5);opacity:0;transition:all var(--transition-bounce)}.complete-checkbox input:focus-visible~.check-visual{outline:2px solid var(--color-lavender);outline-offset:2px}.task-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}.task-title{font-weight:600;font-size:.98rem;overflow-wrap:anywhere}.task-meta{font-size:.78rem;color:var(--color-text-soft);display:flex;align-items:center;gap:5px}.cat-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--cat-color, var(--color-primary));flex-shrink:0}.submission-checkbox{position:relative;flex-shrink:0;cursor:pointer}.submission-checkbox input[type=checkbox]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;margin:0;cursor:pointer}.submission-checkbox .chip-text{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:var(--radius-pill);background:var(--color-lavender-light);color:var(--color-lavender-dark);font-size:.74rem;font-weight:700;border:1.5px solid transparent;transition:all var(--transition-fast);white-space:nowrap}.submission-checkbox .chip-text svg{opacity:0;width:0;transition:all var(--transition-fast)}.submission-checkbox input:checked~.chip-text{background:var(--color-mint-light);color:var(--color-success);border-color:var(--color-success)}.submission-checkbox input:checked~.chip-text svg{opacity:1;width:12px}.submission-checkbox input:focus-visible~.chip-text{outline:2px solid var(--color-lavender);outline-offset:2px}.task-delete{flex-shrink:0;border:none;background:var(--color-surface-alt);color:var(--color-text-faint);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);cursor:pointer}.task-delete:hover{background:var(--color-error-bg);color:var(--color-error);transform:rotate(-6deg) scale(1.06)}.task-delete:active{transform:scale(.92)}.completed-section{margin-top:24px}.completed-section summary{cursor:pointer;font-size:.86rem;font-weight:700;color:var(--color-text-soft);padding:10px 4px;list-style:none;display:flex;align-items:center;gap:6px}.completed-section summary::-webkit-details-marker{display:none}.completed-section summary:before{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform var(--transition-fast)}.completed-section[open] summary:before{transform:rotate(45deg)}.completed-section .task-list{margin-top:8px}.fab{position:fixed;bottom:92px;right:max(20px,calc((100vw - 480px)/2 + 20px));width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;border:none;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-float);transition:transform var(--transition-bounce),box-shadow var(--transition-fast);z-index:15;cursor:pointer}.fab:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 14px 30px -6px #ff5a8580}.fab:active{transform:scale(.94)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#4a445873;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:flex-end;justify-content:center;z-index:30;animation:overlay-in var(--transition-normal) both}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.modal{background:var(--color-surface);width:100%;max-width:480px;padding:24px 22px calc(22px + env(safe-area-inset-bottom,0px));border-radius:var(--radius-lg) var(--radius-lg) 0 0;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow-modal);max-height:88vh;overflow-y:auto;animation:modal-in var(--transition-bounce) both}@keyframes modal-in{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.modal:before{content:"";align-self:center;width:40px;height:4px;border-radius:var(--radius-pill);background:var(--color-border);margin-bottom:2px}.modal h2{font-size:1.15rem;gap:8px}.modal h2 svg{color:var(--color-primary-dark)}.modal label{display:flex;flex-direction:column;gap:6px;font-size:.86rem;font-weight:700;color:var(--color-text-soft)}.modal input,.modal select,.modal textarea{padding:11px 12px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:1rem;font-family:inherit;color:var(--color-text);background:var(--color-surface-alt);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.modal input:focus,.modal select:focus,.modal textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-light);background:var(--color-surface)}.modal textarea{resize:vertical;min-height:64px}.modal label.checkbox{flex-direction:row;align-items:center;gap:10px;font-weight:600;color:var(--color-text);cursor:pointer;position:relative;padding-left:30px}.modal label.checkbox input[type=checkbox]{position:absolute;left:0;top:50%;transform:translateY(-50%);width:22px;height:22px;opacity:0;margin:0;cursor:pointer}.modal label.checkbox .checkbox-visual{position:absolute;left:0;top:50%;transform:translateY(-50%);width:22px;height:22px;border-radius:7px;border:2px solid var(--color-border);background:var(--color-surface-alt);display:flex;align-items:center;justify-content:center;color:#fff;transition:all var(--transition-bounce)}.modal label.checkbox .checkbox-visual svg{opacity:0;transform:scale(.5);transition:all var(--transition-bounce)}.modal label.checkbox input:checked~.checkbox-visual{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));border-color:var(--color-primary-dark)}.modal label.checkbox input:checked~.checkbox-visual svg{opacity:1;transform:scale(1)}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:4px}button{font-family:inherit;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 20px;border-radius:var(--radius-pill);font-size:.9rem;font-weight:700;border:none;transition:transform var(--transition-fast),box-shadow var(--transition-fast),background var(--transition-fast)}.btn:active{transform:scale(.96)}.btn-primary,button[data-action=submit]{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;box-shadow:0 8px 18px -6px #ff5a8573}.btn-primary:hover,button[data-action=submit]:hover{transform:translateY(-1px);box-shadow:0 10px 22px -6px #ff5a858c}.btn-ghost,button[data-action=cancel]{background:var(--color-surface-alt);color:var(--color-text-soft);border:1.5px solid var(--color-border)}.btn-ghost:hover,button[data-action=cancel]:hover{background:var(--color-border)}.settings-section{background:var(--color-surface);border-radius:var(--radius-lg);padding:18px;margin-bottom:14px;box-shadow:var(--shadow-card)}.settings-section .btn{width:100%}.settings-section+.settings-section{margin-top:14px}.hint{font-size:.78rem;color:var(--color-text-faint);margin:8px 2px 0}.category-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.category-list li{display:flex}.category-list input{flex:1;padding:10px 12px;border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:.94rem;font-family:inherit;background:var(--color-surface-alt);color:var(--color-text);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.category-list input:focus{outline:none;border-color:var(--color-lavender);box-shadow:0 0 0 4px var(--color-lavender-light);background:var(--color-surface)}.import-label{display:flex;flex-direction:column;gap:8px;font-size:.86rem;font-weight:700;color:var(--color-text-soft);margin-top:12px}.import-label-text{display:inline-flex;align-items:center;gap:6px}.import-label-text svg{color:var(--color-lavender-dark)}.import-label input[type=file]{font-size:.82rem;color:var(--color-text-soft);padding:9px;border:1.5px dashed var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface-alt)}.error{color:var(--color-error);background:var(--color-error-bg);padding:10px 12px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;margin:10px 0 0}.success{color:var(--color-success);background:var(--color-success-bg);padding:10px 12px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;margin:10px 0 0}.onboarding{padding:40px 26px;text-align:center;min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 0%,var(--color-primary-soft) 0%,var(--color-bg-end) 70%)}.onboarding .onboarding-icon{margin-bottom:6px}.onboarding h1{justify-content:center;font-size:1.6rem}.onboarding h1:before{display:none}.onboarding>p{color:var(--color-text-soft);max-width:340px;font-size:.92rem}.onboarding ol{list-style:none;padding:0;margin:20px 0 8px;display:flex;flex-direction:column;gap:10px;width:100%;max-width:340px;text-align:left}.onboarding ol li{display:flex;align-items:center;gap:12px;background:var(--color-surface);padding:12px 14px;border-radius:var(--radius-md);box-shadow:var(--shadow-xs);font-size:.88rem;counter-increment:step}.onboarding ol{counter-reset:step}.onboarding ol li:before{content:counter(step);flex-shrink:0;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-lavender));color:#fff;font-weight:800;font-size:.8rem;display:flex;align-items:center;justify-content:center}.onboarding button{margin-top:22px;padding:13px 30px;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;border:none;border-radius:var(--radius-pill);font-size:1rem;font-weight:700;box-shadow:var(--shadow-float);transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.onboarding button:hover{transform:translateY(-1px)}.onboarding button:active{transform:scale(.96)}:focus-visible{outline:2px solid var(--color-lavender);outline-offset:2px}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}