:root{--canvas: #F2F3F5;--card: #FFFFFF;--ink: #1A1A1A;--muted: #6B7280;--line: #E5E7EB;--tomato: #EF4444;--leaf: #3FA34C;--accent: #0EA5E9;--accent-soft: #0EA5E91F;--accent-glow: #0EA5E940;--mood: #F59E0B;--mood-glow: #F59E0B40;--font-sans: "Pretendard Variable", Pretendard, system-ui, -apple-system, "Segoe UI", "Malgun Gothic", sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;--radius: 16px;--radius-sm: 10px;--shadow: 0 1px 2px rgba(16, 18, 20, .04), 0 8px 24px rgba(16, 18, 20, .06);--ease: cubic-bezier(.22, .61, .36, 1)}*{box-sizing:border-box}html,body{height:100%;min-height:0;margin:0;padding:0;overflow:hidden}#root{height:100%;min-height:0;overflow:hidden}body{background:var(--canvas);color:var(--ink);font-family:var(--font-sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}.app{height:100dvh;min-height:0;width:100%;padding:28px clamp(20px,2vw,40px);display:flex;flex-direction:column;overflow:hidden}.header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}.header__brand{display:flex;align-items:center;gap:12px;flex-shrink:0;white-space:nowrap}.header__wordmark{font-size:30px;font-weight:800;line-height:1;letter-spacing:0}.dashboard-grid{display:grid;grid-template-rows:max-content minmax(0,1fr);gap:18px;flex:1;min-height:0}.dashboard-top-row,.dashboard-bottom-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;gap:18px;min-height:0}.dashboard-bottom-row>.card{min-height:0;overflow:hidden}@media (max-width: 720px){.dashboard-top-row,.dashboard-bottom-row{grid-template-columns:1fr}.app{padding:20px 14px;overflow-y:auto}}@media (min-width: 1440px){.dashboard-top-row,.dashboard-bottom-row{column-gap:24px}.app .card{padding:24px 26px 26px}.app .card__title{font-size:18px}}@media (max-height: 700px) and (min-width: 721px){.app{padding:16px 20px}.header{margin-bottom:14px}.dashboard-grid,.dashboard-top-row,.dashboard-bottom-row{gap:12px}.app .card{padding:16px 18px 18px}.app .card__header{margin-bottom:12px}.app .pomo{gap:10px}.app .pomo__time{font-size:64px}}.conn{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.conn__badge{display:inline-flex;align-items:center;gap:7px;padding:5px 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.card__body{justify-content:space-evenly;gap:24px}.progress{display:flex;flex-direction:column;gap:14px}.progress__label{text-align:center;font-size:17px;font-weight:600;line-height:1.1;white-space:nowrap}.progress__pct{display:inline-block;font-size:32px;font-weight:700;line-height:1}.progress__track{height:12px;background:var(--line);border-radius:999px;overflow:hidden}.progress__fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--ink),var(--accent));transition:width .6s var(--ease)}.warn{display:flex;align-items:center;gap:8px;justify-content:flex-end;color:var(--muted);font-size:13px}.warn__icon{color:var(--tomato);flex-shrink:0}.warn__text strong{color:var(--tomato);margin-left:2px}.card--progress .warn{justify-content:center}.card--sass{box-shadow:0 0 0 1px var(--mood-glow),0 8px 28px var(--mood-glow);border-color:var(--mood-glow);transition:box-shadow .4s var(--ease),border-color .4s var(--ease)}.card--sass .sass__stage{min-height:112px}.card--sass .sass__item{gap:2px}.card--sass .sass__label{line-height:1}.sass{flex:1;display:flex;align-items:center;gap:2px}.sass__arrow{flex-shrink:0;border:none;background:none;cursor:pointer;color:var(--muted);font-size:30px;line-height:1;width:36px;height:72px;border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;transition:color .2s var(--ease),background .2s var(--ease)}.sass__arrow:hover{color:var(--ink);background:var(--canvas)}.sass__stage{position:relative;flex:1;min-height:150px;display:flex;align-items:center;justify-content:center;gap:14px}.sass__item{display:flex;flex-direction:column;align-items:center;gap:8px;opacity:.4;transform:scale(.9);transition:opacity .3s var(--ease),transform .3s var(--ease)}.sass__item--current{opacity:1;transform:scale(1)}.sass__label{font-size:15px;font-weight:700;color:currentColor}.sass__item--current .sass__label{font-size:26px;font-weight:800;letter-spacing:-.02em}.sass__zone{position:absolute;top:0;bottom:0;width:50%;border:none;background:none;padding:0;cursor:pointer}.sass__zone--left{left:0}.sass__zone--right{right:0}.todo-scroll{flex:1;min-height:0;max-height:300px;overflow-y:auto;margin:-4px -6px 0;padding:4px 6px 0;scrollbar-width:thin;scrollbar-color:var(--line) transparent;-webkit-overflow-scrolling:touch}.card--todo .todo-scroll{flex:1 1 auto;min-height:0;max-height:none;overflow-y:auto}.card--todo .card__body{min-height:0;overflow:hidden}.card--todo .todo__add{flex-shrink:0}.todo-scroll::-webkit-scrollbar{width:6px}.todo-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}.todo-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.todo-empty{color:var(--muted);font-size:13.5px;padding:8px 2px}.todo{display:grid;grid-template-columns:1fr auto;align-items:center;gap:4px 10px;padding:9px 8px;border-radius:var(--radius-sm);transition:background .2s var(--ease)}.todo:hover{background:var(--canvas)}.todo__main{display:flex;align-items:center;gap:10px;cursor:pointer;min-width:0}.todo__check{position:absolute;opacity:0;width:1px;height:1px}.todo__box{width:19px;height:19px;border:2px solid var(--muted);border-radius:6px;flex-shrink:0;position:relative;transition:border-color .2s var(--ease),background .2s var(--ease)}.todo__check:focus-visible+.todo__box{outline:2px solid var(--accent);outline-offset:2px}.todo__check:checked+.todo__box{background:var(--accent);border-color:var(--accent)}.todo__check:checked+.todo__box:after{content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}.todo__title{font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.todo--done .todo__title{color:var(--muted);text-decoration:line-through}.todo__meta{grid-column:1 / 2;padding-left:29px;display:flex;flex-wrap:wrap;gap:4px 12px;font-size:11.5px;color:var(--muted)}.todo__meta-item time{color:var(--ink);opacity:.75}.todo__meta-item--due time{color:var(--tomato);opacity:1}.todo__remove{grid-row:1 / 2;grid-column:2 / 3;border:none;background:none;color:var(--muted);font-size:20px;line-height:1;width:26px;height:26px;border-radius:6px;cursor:pointer;opacity:0;transition:opacity .2s var(--ease),color .2s var(--ease),background .2s var(--ease)}.todo:hover .todo__remove,.todo__remove:focus-visible{opacity:1}.todo__remove:hover{background:#ef44441a;color:var(--tomato)}.card__actions{display:flex;align-items:center;gap:8px}.todo__badge{min-width:22px;height:22px;padding:0 7px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:700}.icon-btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border:none;background:none;color:var(--muted);border-radius:9px;cursor:pointer;transition:background .2s var(--ease),color .2s var(--ease)}.icon-btn:hover{background:var(--canvas);color:var(--ink)}.todo__add{margin-top:14px;display:inline-flex;align-items:center;justify-content:center;gap:6px;width:100%}.archive{margin-top:14px;border-top:1px solid var(--line);padding-top:10px}.archive__toggle{display:inline-flex;align-items:center;gap:6px;border:none;background:none;color:var(--muted);font-family:var(--font-sans);font-size:13px;font-weight:600;cursor:pointer;padding:4px 2px}.archive__toggle:hover{color:var(--ink)}.archive__caret{font-size:10px}.card--pomodoro{--accent: var(--tomato);--accent-glow: rgba(239, 68, 68, .32)}.card--pomodoro--break{--accent: var(--leaf);--accent-glow: rgba(63, 163, 76, .32)}.pomo-title{display:inline-flex;align-items:center;gap:7px}.pomo{display:flex;flex-direction:column;align-items:center;gap:16px;flex:1;justify-content:center}.pomo__phase{font-size:12.5px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.02em;background:var(--canvas);color:var(--muted)}.pomo__phase--focus{background:#ef44441f;color:var(--tomato)}.pomo__phase--break{background:#3fa34c24;color:var(--leaf)}.pomo__time{font-size:clamp(56px,14vw,84px);font-weight:700;line-height:1;color:var(--ink);letter-spacing:-.02em}.card--pomodoro--focus .pomo__time{color:var(--tomato)}.card--pomodoro--break .pomo__time{color:var(--leaf)}.pomo__controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}.pomo__session{font-size:13px;color:var(--muted);margin-left:4px}.pomo__count{font-size:12.5px;color:var(--muted)}.pomo__count strong{color:var(--ink);font-size:14px;margin-left:2px}.btn{font-family:var(--font-sans);font-size:14px;font-weight:600;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:var(--radius-sm);padding:9px 16px;cursor:pointer;transition:transform .15s var(--ease),background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn--accent{background:var(--accent);border-color:var(--accent);color:#fff}.btn--accent:hover{box-shadow:0 6px 16px var(--accent-glow)}.btn--icon{width:44px;height:44px;padding:0;display:inline-flex;align-items:center;justify-content:center}.btn--icon.btn--accent{color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1a1a1a47;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50;animation:fade .2s var(--ease)}@keyframes fade{0%{opacity:0}to{opacity:1}}.modal{width:100%;max-width:420px;background:var(--card);border-radius:20px;padding:24px;box-shadow:0 24px 60px #1012143d;display:flex;flex-direction:column;gap:14px;animation:pop .24s var(--ease)}@keyframes pop{0%{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}.modal__title{margin:0 0 4px;font-size:18px;font-weight:800}.modal__actions{display:flex;gap:10px;margin-top:6px}.modal__actions .btn{flex:1}.field{display:flex;flex-direction:column;gap:6px}.field__label{font-size:12.5px;font-weight:600;color:var(--muted)}.field input{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:12px;font-family:var(--font-sans);font-size:14.5px;background:var(--canvas);color:var(--ink);transition:border-color .2s var(--ease),background .2s var(--ease)}.field input.mono{font-family:var(--font-mono);font-size:13.5px}.todo-datetime-input{width:100%;cursor:pointer}.todo-datetime-input::-webkit-calendar-picker-indicator{cursor:pointer}.field input:focus{outline:none;border-color:var(--accent);background:var(--card)}.sheet{width:100%;max-width:560px;max-height:82vh;background:var(--card);border-radius:20px;box-shadow:0 24px 60px #1012143d;display:flex;flex-direction:column;overflow:hidden;animation:pop .24s var(--ease)}.sheet__header{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}.sheet__title{margin:0;font-size:18px;font-weight:800}.sheet__body{flex:1;min-height:0;overflow-y:auto;padding:14px 20px;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.sheet__footer{padding:14px 20px 18px;border-top:1px solid var(--line)}.setup{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.setup__card{max-width:520px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px;text-align:center}.setup__title{font-size:22px;font-weight:800;margin:16px 0 8px}.setup__desc{color:var(--muted);font-size:14px;line-height:1.6;margin:0 0 18px}.setup__code{text-align:left;background:var(--ink);color:#f5f5f5;padding:16px;border-radius:var(--radius-sm);font-size:12.5px;line-height:1.7;overflow-x:auto;white-space:pre}.setup__hint{font-size:12.5px;color:var(--muted);margin:16px 0 0;line-height:1.6}.setup code,.setup__desc code{background:var(--canvas);padding:1px 6px;border-radius:5px;font-family:var(--font-mono);font-size:.88em}.setup__code code{background:none;padding:0}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}