:root{--bg:#0f0f0f;--surface:#1a1a1a;--surface-2:#252525;--border:#333;--text:#f0f0f0;--text-muted:#888;--accent:#ff4d4d;--accent-2:#ff8c00;--success:#4dff4d;--danger:#ff4d4d;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh}.app{max-width:600px;min-height:100vh;margin:0 auto;padding:20px}.app-header{text-align:center;padding:30px 0 20px}.app-header h1{letter-spacing:-.02em;background:linear-gradient(135deg, var(--accent), var(--accent-2));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2rem;font-weight:800}.app-header p{color:var(--text-muted);margin-top:4px;font-size:.875rem}.btn{cursor:pointer;font-size:.9rem;font-weight:600;font-family:var(--font);border:none;border-radius:8px;padding:10px 20px;transition:all .15s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:#f66;transform:translateY(-1px)}.btn-secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{color:var(--danger);border:1px solid var(--danger);background:0 0}.btn-danger:hover{background:var(--danger);color:#fff}.btn-large{padding:16px 32px;font-size:1.1rem}.btn-small{background:var(--surface-2);color:var(--text-muted);border:1px solid var(--border);padding:6px 12px;font-size:.8rem}.btn-small:hover{color:var(--text);border-color:var(--text-muted)}.btn-icon{color:var(--text-muted);background:0 0;padding:4px 10px;font-size:1.2rem;line-height:1}.btn-icon:hover{color:var(--danger)}.btn-full{width:100%;margin-top:12px}.config-list-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.config-list-header h2{color:var(--text-muted);font-size:1.1rem;font-weight:500}.config-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;padding:16px;transition:border-color .15s}.config-card:hover{border-color:var(--text-muted)}.config-card-header{margin-bottom:10px}.config-card-header h3{margin-bottom:2px;font-size:1.1rem;font-weight:700}.config-meta{color:var(--text-muted);font-size:.75rem}.config-card-workouts{margin-bottom:12px}.circuit-preview{margin-bottom:6px}.circuit-name{color:var(--accent-2);margin-bottom:2px;font-size:.8rem;font-weight:600;display:block}.workout-chip{background:var(--surface-2);color:var(--text-muted);border-radius:4px;margin-bottom:4px;margin-right:4px;padding:3px 8px;font-size:.75rem;display:inline-block}.config-card-actions{gap:8px;display:flex}.config-card-actions .btn{flex:1;padding:8px 12px;font-size:.8rem}.empty-state{text-align:center;color:var(--text-muted);padding:40px 0;font-size:.9rem}.editor-header{margin-bottom:24px}.editor-header h2{font-size:1.4rem;font-weight:700}.form-group{margin-bottom:16px}.form-group label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:.8rem;font-weight:600;display:block}.form-group input,.form-group select{background:var(--surface);border:1px solid var(--border);width:100%;color:var(--text);font-size:1rem;font-family:var(--font);border-radius:8px;padding:12px;transition:border-color .15s}.form-group input:focus{border-color:var(--accent);outline:none}.form-row{grid-template-columns:1fr 1fr;gap:12px;display:grid}.circuits-container{margin-bottom:16px}.circuit-editor{background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:12px;padding:14px}.circuit-editor-header{justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;display:flex}.circuit-name-input{background:0 0;flex:1;font-weight:700;border:none!important;border-bottom:2px solid var(--accent-2)!important;color:var(--accent-2)!important;border-radius:0!important;padding:4px 0!important;font-size:1rem!important}.circuit-name-input:focus{outline:none;border-bottom-color:var(--accent)!important}.circuit-editor-meta{align-items:center;gap:8px;margin-bottom:10px;display:flex}.circuit-editor-meta label{color:var(--text-muted);white-space:nowrap;text-transform:none;letter-spacing:0;margin:0;font-size:.75rem}.circuit-editor-meta input{text-align:center;width:80px;padding:6px 8px}.workouts-list{margin-bottom:10px}.workout-editor{background:var(--surface-2);border-radius:6px;align-items:center;gap:8px;margin-bottom:6px;padding:6px 8px;display:flex}.workout-editor input[type=text]{color:var(--text);background:0 0;flex:2;font-size:.9rem;border:none!important;padding:6px 4px!important}.workout-editor input[type=number]{background:var(--bg);text-align:center;width:70px;color:var(--text);border-radius:4px;padding:6px 4px;border:1px solid var(--border)!important}.workout-editor input:focus{outline:none;border-color:var(--accent)!important}.unit{color:var(--text-muted);font-size:.75rem}.editor-actions{border-top:1px solid var(--border);gap:10px;margin-top:20px;padding-top:20px;display:flex}.editor-actions .btn{flex:1}.timer-header{text-align:center;margin-bottom:20px}.timer-header h2{color:var(--text-muted);font-size:1.2rem;font-weight:600}.timer-display{text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:16px;margin-bottom:20px;padding:30px 20px}.timer-set-info{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:6px;font-size:.85rem;font-weight:600}.timer-circuit-name{color:var(--accent-2);margin-bottom:10px;font-size:1rem;font-weight:600}.timer-workout-name{min-height:50px;margin-bottom:20px;font-size:2rem;font-weight:800}.timer-workout-name.work{color:var(--accent)}.timer-workout-name.rest-workout,.timer-workout-name.rest-circuit,.timer-workout-name.rest-set{color:var(--accent-2)}.timer-workout-name.done{color:var(--success)}.timer-time{font-variant-numeric:tabular-nums;letter-spacing:-.02em;margin-bottom:10px;font-size:5rem;font-weight:800;line-height:1}.timer-time.work{color:var(--text)}.timer-time.rest-workout,.timer-time.rest-circuit,.timer-time.rest-set{color:var(--accent-2)}.timer-phase{text-transform:uppercase;letter-spacing:.15em;border-radius:20px;margin-bottom:20px;padding:6px 16px;font-size:.9rem;font-weight:700;display:inline-block}.timer-phase.work{color:var(--accent);background:#ff4d4d26}.timer-phase.rest-workout,.timer-phase.rest-circuit{color:var(--accent-2);background:#ff8c0026}.timer-phase.rest-set{color:var(--accent-2);background:#ff8c0033;padding:8px 20px;font-size:1rem}.timer-phase.done{color:var(--success);background:#4dff4d26;padding:10px 24px;font-size:1.2rem}.timer-progress-bar{background:var(--surface-2);border-radius:2px;height:4px;margin-bottom:6px;overflow:hidden}.timer-progress-fill{background:linear-gradient(90deg, var(--accent), var(--accent-2));height:100%;transition:width .5s}.timer-progress-text{color:var(--text-muted);font-size:.75rem}.timer-controls{justify-content:center;gap:10px;display:flex}.timer-controls .btn{flex:1;max-width:200px}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.timer-time{animation:none}.timer-time.animate{animation:1s ease-in-out infinite pulse}