*{box-sizing:border-box}:root{--bg:#0f172a;--bg-soft:#111827;--card:#fff;--text:#111827;--muted:#6b7280;--border:#e5e7eb;--primary:#2563eb;--primary-dark:#1d4ed8;--accent:#14b8a6;--danger:#dc2626;--shadow:0 16px 40px #0f172a24}body{color:var(--text);background:radial-gradient(circle at 0 0,#2563eb40,#0000 30%),linear-gradient(135deg,#f8fafc 0%,#e0f2fe 45%,#f8fafc 100%);min-height:100vh;margin:0;font-family:Inter,Arial,Helvetica,sans-serif}button{cursor:pointer;background:var(--primary);color:#fff;border:none;border-radius:12px;padding:11px 16px;font-weight:700;transition:all .2s}button:hover{background:var(--primary-dark);transform:translateY(-1px)}input,select,textarea{border:1px solid var(--border);width:100%;color:var(--text);background:#f9fafb;border-radius:12px;margin:8px 0;padding:12px 13px;font-size:14px}input:focus,select:focus,textarea:focus{border-color:var(--primary);background:#fff;outline:none;box-shadow:0 0 0 4px #2563eb1f}textarea{resize:vertical;min-height:90px}.auth-page{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{text-align:center;width:100%;max-width:440px}.auth-card h1{margin-bottom:8px;font-size:32px}.card{box-shadow:var(--shadow);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffeb;border:1px solid #ffffffb3;border-radius:22px;padding:22px}.link-btn{color:var(--primary);background:0 0;margin-top:8px;padding-left:0}.link-btn:hover{color:var(--primary-dark);background:0 0;transform:none}.app-shell{max-width:1180px;margin:0 auto;padding:28px}.hero{color:#fff;box-shadow:var(--shadow);background:linear-gradient(135deg,#0f172af5,#2563ebe6),radial-gradient(circle at 100% 0,#14b8a6cc,#0000 25%);border-radius:28px;justify-content:space-between;align-items:center;gap:18px;margin-bottom:22px;padding:28px;display:flex}.hero h1{margin:0 0 6px;font-size:34px}.welcome-text{color:#dbeafe;margin:0}.header-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.template-btn{background:#ffffff29;border:1px solid #ffffff47}.template-btn:hover{background:#ffffff42}.logout-btn{color:#111827;background:#fff}.logout-btn:hover{background:#e5e7eb}.stats-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px;display:grid}.stat-card{position:relative;overflow:hidden}.stat-card:after{content:"";background:#2563eb1f;border-radius:999px;width:90px;height:90px;position:absolute;top:-25px;right:-25px}.stat-card h3{color:var(--muted);margin:0 0 10px;font-size:14px}.stat-card strong{letter-spacing:-.5px;font-size:30px}.grid{grid-template-columns:.9fr 1.1fr;gap:18px;margin-bottom:18px;display:grid}.workout-form-card h2,.chart-card h2,.recent-workouts-card h2{margin-top:0}.set-row{grid-template-columns:1fr 1fr auto;align-items:center;gap:10px;display:grid}.remove-btn{color:var(--danger);background:#fee2e2;padding:11px 13px}.remove-btn:hover{background:#fecaca}.form-actions{gap:10px;margin-top:8px;display:flex}.primary-btn{background:linear-gradient(135deg, var(--primary), var(--accent));flex:1}.chart-box{width:100%;height:340px}.workout-card{border:1px solid var(--border);background:#f9fafb;border-radius:18px;margin-top:14px;padding:18px}.workout-title-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.workout-title-row h3{flex-direction:column;gap:4px;margin:0;display:flex}.workout-title-row span{color:var(--muted);font-size:14px;font-weight:500}.delete-btn{color:var(--danger);background:#fee2e2}.delete-btn:hover{background:#fecaca}.exercise-block{border:1px solid var(--border);background:#fff;border-radius:14px;margin-top:12px;padding:12px}.exercise-block ul{margin-bottom:0;padding-left:20px}.muted{color:var(--muted)}.error{color:var(--danger);font-weight:700}@media (width<=900px){.grid,.stats-grid{grid-template-columns:1fr}.hero{flex-direction:column;align-items:flex-start}.header-actions{justify-content:flex-start}}@media (width<=520px){.app-shell{padding:16px}.hero{padding:22px}.hero h1{font-size:27px}.set-row{grid-template-columns:1fr}.form-actions{flex-direction:column}}