:root{--bg:#f5f7fb;--card:#fff;--ink:#111827;--muted:#6b7280;--line:#e5e7eb;--accent:#111827;--soft:#eef2ff;--success:#16a34a}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app-shell{max-width:720px;margin:0 auto;min-height:100vh;padding:0 18px 100px}.topbar{display:flex;justify-content:space-between;align-items:center;padding:28px 0 16px}.eyebrow{margin:0 0 4px;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.12em}.topbar h1,.page-heading h2{margin:0;font-size:1.65rem}.icon-btn{border:0;background:var(--card);width:42px;height:42px;border-radius:14px;font-size:1.25rem;box-shadow:0 8px 20px rgba(17,24,39,.08)}.view{display:none}.view.active{display:block}.hero-card{display:flex;justify-content:space-between;align-items:center;padding:22px;border-radius:24px;background:linear-gradient(135deg,#111827,#334155);color:#fff;box-shadow:0 16px 34px rgba(17,24,39,.2)}.hero-card strong{display:block;font-size:2rem;margin-top:8px}.progress-ring{width:86px;height:86px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#fff 0deg,#ffffff33 0deg);position:relative}.progress-ring:before{content:"";position:absolute;width:64px;height:64px;border-radius:50%;background:#1f2937}.progress-ring span{position:relative;font-weight:800}.section-block{margin-top:26px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.section-heading h2,.section-heading h3{margin:0}.text-btn{border:0;background:none;color:#4f46e5;font-weight:700}.stack{display:grid;gap:12px}.card,.habit-card,.workout-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 8px 20px rgba(17,24,39,.04)}.habit-row{display:flex;gap:12px;align-items:center}.check-btn{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:1.1rem}.check-btn.done{background:var(--success);color:#fff;border-color:var(--success)}.habit-copy{flex:1}.habit-copy strong{display:block}.habit-copy span,.muted{color:var(--muted);font-size:.9rem}.habit-actions{display:flex;align-items:center;gap:8px}.mini-btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 10px}.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.quick-card{border:1px solid var(--line);background:var(--card);border-radius:18px;padding:16px;text-align:left}.quick-card span{display:block;color:var(--muted);margin-bottom:8px}.page-heading{margin:6px 0 18px}.primary-btn,.ghost-btn{border:0;border-radius:12px;padding:11px 14px;font-weight:700}.primary-btn{background:var(--accent);color:#fff}.ghost-btn{background:#eef2f7;color:var(--ink)}.workout-card h3{margin:0 0 4px}.exercise-list{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:8px}.exercise-list li{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid var(--line)}.workout-actions{display:flex;gap:10px;margin-top:14px}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px}.stat-card span{display:block;color:var(--muted);font-size:.85rem}.stat-card strong{display:block;margin-top:8px;font-size:1.35rem}.chart-card{margin-top:16px}.bar-chart{height:180px;display:flex;align-items:end;gap:10px;padding-top:20px}.bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px}.bar{width:100%;max-width:34px;border-radius:10px 10px 4px 4px;background:#111827;min-height:8px}.bar-label{font-size:.75rem;color:var(--muted)}.bottom-nav{position:fixed;left:50%;transform:translateX(-50%);bottom:12px;width:min(calc(100% - 24px),696px);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.96);border:1px solid var(--line);border-radius:20px;padding:8px;box-shadow:0 18px 40px rgba(17,24,39,.18);backdrop-filter:blur(16px)}.nav-btn{border:0;background:none;color:var(--muted);padding:9px 4px;border-radius:14px;font-size:.75rem}.nav-btn span{display:block;font-size:1.15rem;margin-bottom:2px}.nav-btn.active{background:#111827;color:#fff}dialog{border:0;border-radius:22px;padding:0;width:min(92vw,440px);box-shadow:0 26px 70px rgba(17,24,39,.3)}dialog::backdrop{background:rgba(15,23,42,.45)}.modal-form{padding:22px;display:grid;gap:16px}.modal-form h3{margin:0}.modal-form label{display:grid;gap:7px;font-weight:700}.modal-form input,.modal-form textarea{width:100%;border:1px solid var(--line);border-radius:12px;padding:12px;font:inherit}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.empty{padding:22px;text-align:center;color:var(--muted);background:var(--card);border:1px dashed var(--line);border-radius:18px}@media(min-width:640px){.quick-grid{grid-template-columns:repeat(4,1fr)}.app-shell{padding-left:24px;padding-right:24px}}