:root{--ink:#111;--paper:#f7f7fb;--window:#fff;--blue:#175cff;--mint:#8fffea;--lemon:#f7ff5f;--pink:#ff72d2;--shadow:#777}*{box-sizing:border-box}html,body{min-height:100%}body{color:var(--ink);background:radial-gradient(circle at 16% 15%, #8fffea9e 0 110px, transparent 112px), radial-gradient(circle at 86% 12%, #ff72d261 0 140px, transparent 142px), linear-gradient(#1111110d 1px, transparent 1px), linear-gradient(90deg, #1111110d 1px, transparent 1px), var(--paper);background-size:auto,auto,24px 24px,24px 24px,auto;margin:0;font-family:Trebuchet MS,Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif}button,input,select,textarea{font:inherit}.retro-window{border:2px solid var(--ink);background:var(--window);box-shadow:5px 5px 0 var(--shadow)}.retro-titlebar{border-bottom:2px solid var(--ink);background:var(--blue);color:#fff;justify-content:space-between;align-items:center;gap:12px;min-height:34px;padding:6px 8px;font-weight:900;display:flex}.retro-controls{gap:4px;display:flex}.retro-controls span{border:1px solid var(--ink);background:#fff;width:14px;height:14px}.retro-window-body{padding:16px}.retro-button,.retro-input,.retro-select{border:2px solid var(--ink);min-height:38px;color:var(--ink);box-shadow:3px 3px 0 var(--shadow);background:#fff}.retro-button{cursor:pointer;padding:0 14px;font-weight:900}.retro-button:disabled{cursor:not-allowed;opacity:.55}.retro-input,.retro-select{width:100%;padding:0 10px}.retro-error{border:2px solid var(--ink);background:#fff0f7;margin:12px 0 0;padding:10px}.desktop-shell{width:min(1120px,100% - 24px);min-height:100vh;margin:0 auto;padding:32px 0}.hero-window-set{grid-template-columns:minmax(0,1fr) 380px;align-items:start;gap:22px;display:grid}.hero-window-set h1{margin:0 0 12px;font-size:clamp(52px,9vw,116px);line-height:.9}.eyebrow{color:#565656;text-transform:uppercase;margin:0 0 8px;font-size:12px;font-weight:900}.hero-copy,.window-copy{line-height:1.6}.login-actions,.desktop-icons{gap:10px;display:grid}.desktop-icons{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:20px}.desktop-icons span{border:2px solid var(--ink);background:var(--lemon);text-align:center;place-items:center;min-height:74px;font-weight:900;display:grid}.setup-window{grid-column:1/-1}.task-desktop{grid-template-columns:260px minmax(0,1fr);gap:20px;display:grid}.tasks-window h1{margin:0;font-size:clamp(34px,6vw,72px)}.task-toolbar{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:18px;display:flex}.filter-row{flex-wrap:wrap;gap:8px;display:flex}.task-editor{grid-template-columns:minmax(0,1fr) auto;gap:10px;margin-bottom:18px;display:grid}.task-editor label{grid-column:1/-1;font-weight:900}.task-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.task-row{border:2px solid var(--ink);background:#fff;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:10px;padding:10px;display:grid}.task-row.completed span{opacity:.6;text-decoration:line-through}.task-row small{border:1px solid var(--ink);background:var(--mint);padding:4px 7px;font-weight:900}.empty-task{border:2px dashed var(--ink);padding:18px}@media (max-width:820px){.hero-window-set,.task-desktop,.task-toolbar,.task-editor,.desktop-icons{grid-template-columns:1fr}.task-row{grid-template-columns:auto minmax(0,1fr)}}