:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.App{box-sizing:border-box;color:#17202a;background:radial-gradient(circle at 0 0,#1b84ff29,#0000 28rem),linear-gradient(135deg,#f7f3ec 0%,#eef6f2 46%,#f8fafc 100%);place-items:center;min-height:100svh;padding:48px 20px;display:grid}.todo-shell{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);text-align:left;background:#ffffffeb;border:1px solid #121f2b14;border-radius:24px;width:min(100%,560px);padding:40px;box-shadow:0 32px 80px #121f2b1f}.todo-header{margin-bottom:28px}.eyebrow{color:#0f766e;margin-bottom:10px;font-size:13px;font-weight:800;display:inline-flex}.todo-header h1{color:#121f2b;letter-spacing:0;margin:0;font-size:clamp(34px,6vw,48px);font-weight:800;line-height:1.04}.todo-header p{color:#64748b;margin-top:12px;font-size:16px}.input-area{gap:16px;margin-bottom:24px;display:grid}.selected-date-display{background:#f8fafc;border:1px solid #d1e8f2;border-radius:18px;justify-content:space-between;align-items:center;padding:14px 18px;display:flex}.selected-date-display span{color:#64748b;font-size:14px}.selected-date-display strong{color:#0f172a;font-size:16px}.date-hint{color:#166534;background:#f0fdf4;border-radius:14px;margin:0;padding:10px 14px;font-size:14px}.date-row,.input-row{align-items:center;gap:10px;display:grid}.date-row{grid-template-columns:minmax(220px,280px) auto}.input-row{grid-template-columns:minmax(0,1fr) auto}.calendar-shell{background:#f8fafc;border:1px solid #e5eaf0;border-radius:18px;margin-bottom:24px;padding:18px}.calendar-header{color:#0f766e;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px;font-weight:700;display:flex}.calendar-nav{color:#0f766e;background:#fff;border:1px solid #d1d5db;border-radius:50%;width:36px;height:36px;font-size:18px}.calendar-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;display:grid}.calendar-weekday{color:#64748b;text-align:center;font-size:12px;font-weight:700}.calendar-cell{color:#17202a;background:#fff;border:1px solid #0000;border-radius:16px;place-items:center;min-height:48px;padding:10px 6px;font-size:13px;transition:border-color .16s,box-shadow .16s,background-color .16s;display:grid;position:relative}.calendar-empty{cursor:default;background:0 0;border:none}.calendar-cell:hover:not(.calendar-empty){border-color:#c8d2dc}.calendar-selected{color:#fff;background:#0f766e}.calendar-has-todo:not(.calendar-selected){background:#eef2ff}.calendar-today{box-shadow:inset 0 0 0 2px #f59e0b}.calendar-dot{background:#0f766e;border-radius:50%;width:6px;height:6px;position:absolute;bottom:8px}.input-row button,.today-btn{border-radius:16px;width:auto;min-width:72px;height:56px;padding:0 16px}.today-btn{color:#0f766e;background:#fff;border:1px solid #d1d5db;font-weight:700;box-shadow:0 8px 24px #0f766e14}.today-btn:hover{background:#e2e8f0}.input-row input{color:#0f172a;background:#fff;border:1px solid #d1d5db;border-radius:16px;width:100%;min-height:56px;padding:0 18px;font-size:16px}.add-btn{color:#fff;background:linear-gradient(135deg,#0f766e,#0a5f5a);border-radius:16px;min-width:84px;height:54px;padding:0 16px;box-shadow:0 14px 26px #0f766e2e}.add-btn:hover{background:linear-gradient(135deg,#115a53,#0a5f5a)}.input-area input[type=date]{max-width:none}.input-area input:focus{border-color:#0f766e;box-shadow:0 0 0 4px #0f766e24}button{cursor:pointer;font:inherit;border:0;font-weight:800;transition:transform .16s,box-shadow .16s,background-color .16s,color .16s}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}button:hover{transform:translateY(-1px)}.complete-btn,.delete-btn{color:#0f766e;background:#f8fafc;border:1px solid #d1d5db;border-radius:14px;justify-content:center;align-items:center;width:92px;height:40px;padding:0 14px;font-weight:700;line-height:1;display:inline-flex}.delete-btn{color:#c2410c}.complete-btn:hover,.delete-btn:hover{background:#e2e8f0}.delete-btn:disabled{opacity:.5;cursor:not-allowed;color:#94a3b8;background:#f0f4f7;border-color:#c8d2dc}.todo-actions{align-items:center;gap:8px;display:flex}.todo-content{gap:6px;display:grid}.todo-content time{color:#64748b;font-size:13px;display:block}@media (width<=520px){.input-row,.date-row{grid-template-columns:1fr}.input-row button{width:100%}.input-area input{height:64px}.add-btn{height:48px}}.list-summary{color:#64748b;border-top:1px solid #e5eaf0;border-bottom:1px solid #e5eaf0;justify-content:space-between;align-items:center;padding:12px 0;font-size:14px;font-weight:700;display:flex}.list-summary>div{flex-direction:column;align-items:center;gap:4px;display:flex}.summary-success{color:#0f766e;background:#d1fae5;border-radius:999px;justify-content:center;align-items:center;padding:4px 12px;font-weight:700;display:flex}.list-summary strong{color:#fff;background:#17202a;border-radius:999px;place-items:center;width:32px;height:32px;font-size:14px;display:grid}.todo-list{gap:10px;margin:18px 0 0;padding:0;list-style:none;display:grid}.todo-list li{box-sizing:border-box;background:#fff;border:1px solid #e5eaf0;border-radius:18px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;min-height:72px;padding:16px 18px;display:grid}.todo-list li span{overflow-wrap:anywhere;color:#263241;font-weight:650}.empty-state{color:#64748b;text-align:center;border:1px dashed #c8d2dc;border-radius:8px;margin-top:18px;padding:20px}.notification{z-index:10;color:#fff;background:#17202a;border-radius:8px;align-items:center;gap:12px;max-width:260px;padding:12px 14px 12px 18px;animation:.18s ease-out slideDown;display:flex;position:absolute;transform:translate(-50%);box-shadow:0 16px 40px #121f2b38}.close-btn{color:#fff;background:#ffffff1f;place-items:center;width:28px;height:28px;line-height:1;display:grid}.close-btn:hover{background:#fff3}@keyframes slideDown{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}@media (width<=560px){.App{align-items:start;padding:24px 14px}.todo-shell{padding:26px 18px}.input-area{grid-template-columns:1fr}.add-btn{width:100%}}