:root{--primary: #2c3e50;--secondary: #e74c3c;--accent: #27ae60;--light: #ecf0f1;--dark: #34495e;--text: #2c3e50;--bg: #f4f7f6;--nav-height: 60px;--card-bg: #ffffff}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;margin:0;padding:0;background-color:var(--bg);color:var(--text);padding-bottom:var(--nav-height)}.container{max-width:800px;margin:auto;padding:15px;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.card{background:#fff;border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 2px 8px #0000000d}.btn{display:inline-block;background:var(--secondary);color:#fff;border:none;padding:12px 20px;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;width:100%;text-align:center;transition:transform .1s}.btn:active{transform:scale(.98)}.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary);padding:10px 20px;border-radius:8px;font-weight:600;cursor:pointer}input,select,textarea{width:100%;padding:12px;margin-bottom:15px;border:1px solid #ddd;border-radius:8px;font-size:1rem;background:#f9f9f9}label{display:block;margin-bottom:5px;font-weight:500;color:var(--dark)}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.stat-box{background:var(--light);padding:15px;border-radius:8px;text-align:center}.stat-value{font-size:1.5rem;font-weight:700;color:var(--primary)}.week-strip{display:flex;justify-content:space-between;background:#f8f9fa;padding:10px;border-radius:8px;margin-top:10px}.day-bubble{display:flex;flex-direction:column;align-items:center}.day-circle{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:700;color:#bdc3c7;background:#ecf0f1;transition:all .2s;margin-bottom:4px}.day-circle.done{background:var(--accent);color:#fff;box-shadow:0 2px 5px #27ae604d}.day-label{font-size:.65rem;color:#7f8c8d;text-transform:uppercase}.text-center{text-align:center}.text-small{font-size:.85rem;color:#7f8c8d}.alert{padding:12px;background:#fff3cd;border-radius:6px;color:#856404;font-size:.9rem;margin-bottom:15px}.toast{visibility:hidden;min-width:250px;background-color:#333;color:#fff;text-align:center;border-radius:8px;padding:16px;position:fixed;z-index:2000;left:50%;bottom:30px;transform:translate(-50%);font-size:1rem;opacity:0;transition:opacity .3s,bottom .3s;box-shadow:0 4px 12px #0000004d}.toast.show{visibility:visible;opacity:1;bottom:80px}.cycle-card{background:linear-gradient(135deg,#2c3e50,#34495e);color:#fff;padding:15px;border-radius:8px;margin-bottom:20px;box-shadow:0 4px 6px #0000001a}.bottom-nav{position:fixed;bottom:0;left:0;width:100%;height:var(--nav-height);background:#fff;display:flex;justify-content:space-around;align-items:center;box-shadow:0 -2px 10px #0000000d;padding-bottom:env(safe-area-inset-bottom);z-index:100}.nav-item{flex:1;text-align:center;color:#95a5a6;font-size:.75rem;padding:8px 0;cursor:pointer;text-decoration:none;display:flex;flex-direction:column;align-items:center;justify-content:center}.nav-item.active{color:var(--secondary);font-weight:600}.nav-icon{display:block;font-size:1.4rem;margin-bottom:3px;line-height:1}.exercise-list{list-style:none;padding:0}.exercise-item{display:flex;align-items:center;padding:12px 0;border-bottom:1px solid #eee}.exercise-thumb{width:50px;height:50px;border-radius:6px;object-fit:cover;margin-right:15px;background:#eee;cursor:zoom-in}.time-option{flex:1;text-align:center;padding:6px 2px;font-size:.8rem;border-radius:16px;cursor:pointer;color:#7f8c8d;font-weight:500;transition:all .2s}.time-option.active{background:#fff;color:var(--primary);box-shadow:0 2px 4px #0000001a}