:root{--bg: #f6f7fb;--card: #ffffff;--muted: #6b7280;--text: #0b1225;--accent: #4f46e5;--danger: #dc2626;--input-bg: #f2f4f7}.dark{--bg: #0b1225;--card: #0f1724;--muted: #94a3b8;--text: #e6eef8;--accent: #7c3aed;--danger: #f87171;--input-bg: #0b1225}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:var(--bg);color:var(--text)}.layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{padding:20px;background:var(--card);border-right:1px solid rgba(0,0,0,.05);display:flex;flex-direction:column;gap:16px}.brand{margin:0;font-size:20px;color:var(--accent)}.sidebar-top{display:flex;gap:12px;align-items:center;justify-content:space-between}.theme-toggle{width:48px;height:24px;background:#e6e6e6;border-radius:24px;position:relative;cursor:pointer}.theme-toggle .circle{position:absolute;top:3px;left:3px;width:18px;height:18px;background:#fff;border-radius:50%;transition:transform .3s}.dark .theme-toggle{background:var(--accent)}.dark .theme-toggle .circle{transform:translate(24px)}.nav{display:flex;flex-direction:column;gap:8px;margin-top:10px}.nav-link{padding:10px;color:var(--text);text-decoration:none;border-radius:8px}.nav-link.active{background:#4f46e514;color:var(--accent)}.main{padding:28px;overflow-y:auto}.page h2{margin-top:0}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}.card{background:var(--card);padding:16px;border-radius:10px;box-shadow:0 6px 18px #090a1208}.card.small{max-width:480px}.stat-value{font-size:24px;font-weight:600;margin:6px 0 0}.controls{display:flex;gap:12px;margin-bottom:12px;align-items:center}.input,.select{padding:10px 12px;border-radius:8px;border:1px solid rgba(0,0,0,.06);background:var(--input-bg);color:var(--text)}.task-form{display:flex;gap:10px;margin-bottom:16px;align-items:center}.btn{padding:10px 14px;border-radius:8px;border:none;background:var(--accent);color:#fff;cursor:pointer}.btn.muted{background:transparent;color:var(--muted);border:1px solid rgba(0,0,0,.06)}.btn.small{padding:6px 8px;font-size:13px}.btn.danger{background:var(--danger)}.list{display:flex;flex-direction:column;gap:10px}.task-item{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:12px;border-radius:10px;background:var(--card);border:1px solid rgba(0,0,0,.04);animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.task-item.removing{animation:fadeOut .24s ease forwards}@keyframes fadeOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-6px)}}.task-left{display:flex;gap:12px;align-items:center}.task-meta{display:flex;flex-direction:column;gap:6px}.task-title{font-weight:600}.task-title.completed{text-decoration:line-through;opacity:.6}.task-sub{display:flex;gap:8px;align-items:center}.chip{background:#0000000a;padding:4px 8px;border-radius:999px;font-size:12px;color:var(--muted)}.priority.high{color:#ef4444;font-weight:700}.priority.medium{color:#f59e0b;font-weight:700}.priority.low{color:#10b981;font-weight:700}.pagination{display:flex;gap:10px;align-items:center;margin-top:16px}.modal-overlay{position:fixed;inset:0;background:#02061799;display:flex;align-items:center;justify-content:center;z-index:60}.modal{width:380px;background:var(--card);padding:18px;border-radius:12px}.floating-add-btn{position:fixed;right:22px;bottom:22px;width:58px;height:58px;border-radius:50%;border:none;background:var(--accent);color:#fff;font-size:32px;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:1000;box-shadow:0 6px 18px #4f46e529}.bottom-nav{display:none}@media(max-width:700px){.layout{grid-template-columns:1fr}.sidebar{display:none}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;width:100%;background:var(--card);border-top:1px solid rgba(0,0,0,.06);justify-content:space-around;padding:12px 0;z-index:999}.nav-btn{text-decoration:none;color:var(--text);font-weight:600}.nav-btn.active{color:var(--accent)}}@media(max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}}