@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--bg-color:#0f172a;--card-bg:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#3b82f6;--accent-hover:#2563eb;--success:#10b981;--border:#334155;--danger:#ef4444}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:Inter,sans-serif;line-height:1.6}.app-container{max-width:800px;min-height:100vh;margin:0 auto;padding:20px 20px 80px}header{text-align:center;margin-bottom:30px}h1{background:linear-gradient(135deg,#3b82f6,#8b5cf6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:5px;font-size:2rem}nav{justify-content:center;gap:15px;margin-top:15px;display:flex}.nav-link{color:var(--text-muted);border-radius:20px;align-items:center;gap:6px;padding:8px 16px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-link.active{color:var(--accent);background:#3b82f61a}.nav-link:hover{color:var(--text-main);background:#ffffff0d}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;margin-bottom:25px;padding:20px;box-shadow:0 10px 15px -3px #0000001a}.input-group{margin-bottom:20px}.input-group label{color:var(--text-muted);margin-bottom:8px;font-weight:500;display:block}input,select{background:var(--bg-color);border:1px solid var(--border);width:100%;color:var(--text-main);border-radius:8px;padding:10px 12px;font-size:1rem;transition:all .2s}input:focus,select:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 2px #3b82f633}.btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 20px;font-size:1rem;font-weight:600;transition:all .2s;display:inline-flex}.btn:hover{background:var(--accent-hover)}.btn-primary{background:linear-gradient(135deg,#3b82f6,#2563eb);box-shadow:0 4px 15px #3b82f666}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #3b82f699}.btn-danger{background:var(--danger)}.exercise-item{border-left:3px solid var(--accent);background:#ffffff05;border-radius:8px;padding:12px}.exercise-target{color:#93c5fd;white-space:nowrap;background:#3b82f626;border-radius:10px;padding:3px 8px;font-size:.72rem;font-weight:700}.muscle-tag{color:#0f172a;letter-spacing:.3px;border-radius:8px;padding:2px 7px;font-size:.65rem;font-weight:700}.rest-btn{border:1px solid var(--border);color:var(--text-muted);cursor:pointer;white-space:nowrap;background:#ffffff12;border-radius:8px;align-items:center;gap:4px;padding:3px 8px;font-size:.72rem;transition:all .15s;display:inline-flex}.rest-btn:hover{color:var(--accent);border-color:var(--accent);background:#3b82f626}.meta-badge{color:var(--text-muted);border:1px solid var(--border);white-space:nowrap;background:#ffffff0f;border-radius:10px;align-items:center;gap:4px;padding:4px 10px;font-size:.72rem;display:inline-flex}.meta-badge-compound{color:#93c5fd;background:#3b82f61f;border-color:#3b82f64d}.meta-badge-accessory{color:#a5b4fc;background:#6366f11f;border-color:#6366f14d}.sets-container{grid-template-columns:repeat(auto-fit,minmax(75px,1fr));gap:8px;display:grid}.set-box{background:#0003;border-radius:6px;flex-direction:column;gap:4px;padding:8px;display:flex}.set-label{color:var(--text-muted);text-align:center;text-transform:uppercase;letter-spacing:.8px;font-size:.65rem}.set-box input{text-align:center;padding:7px 4px;font-size:.9rem}.prev-hint{color:#64748b;text-align:center;background:#ffffff0a;border-radius:3px;padding:2px 0;font-size:.62rem}.cardio-card{background:#fbbf240d;border-left:4px solid #fbbf24}.cardio-icon{flex-shrink:0;font-size:1.6rem}.floating-timer{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);z-index:100;background:#1e293bf7;border-radius:30px;align-items:center;gap:10px;padding:10px 18px;display:flex;position:fixed;bottom:20px;left:50%;transform:translate(-50%);box-shadow:0 8px 30px #00000080}.timer-btn{border:1px solid var(--border);color:var(--text-main);cursor:pointer;background:#ffffff14;border-radius:8px;padding:5px 11px;font-size:.82rem;font-weight:600;transition:all .15s}.timer-btn:hover{border-color:var(--accent);color:var(--accent);background:#3b82f633}.toast{background:var(--success);color:#fff;z-index:1000;border-radius:10px;padding:12px 20px;font-size:.9rem;font-weight:600;animation:.3s ease-out slideIn;position:fixed;top:20px;right:20px;box-shadow:0 4px 16px #10b98166}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@media (width<=500px){.sets-container{grid-template-columns:repeat(auto-fit,minmax(70px,1fr))}}