:root{--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--bg-color:#fff;--bg-color-alt:#fff;--text-color:#1d1d1f;--text-color-secondary:#5a5a60;--accent-color:#e30613;--accent-color-hover:#c40510;--accent-color-rgb:227, 6, 19;--glass-bg:#fffc;--glass-border:#0000000f;--glass-shadow:0 4px 20px 0 #00000014;--surface:#fff;--surface-muted:#f7f7f8;--surface-sunken:#0000000a;--border-color:#0000001f;--success-color:#2e7d32;--success-bg:#34c75929;--success-border:#34c759;--warning-color:#a85800;--safe-area-inset-bottom:env(safe-area-inset-bottom)}@media (prefers-color-scheme:dark){:root{--bg-color:#000;--bg-color-alt:#1c1c1e;--text-color:#f5f5f7;--text-color-secondary:#b0b0b5;--glass-bg:#1c1c1eb3;--glass-border:#ffffff1a;--surface:#1c1c1e;--surface-muted:#2c2c2e;--surface-sunken:#ffffff0f;--border-color:#ffffff2e;--success-color:#6ede8a;--success-bg:#34c75938;--success-border:#34c759;--warning-color:#ffb340}}*{box-sizing:border-box;-webkit-font-smoothing:antialiased;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);transition:background-color .3s;overflow-x:hidden}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow);border-radius:20px}.premium-btn{cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;padding:12px 24px;font-size:16px;font-weight:600;text-decoration:none;transition:all .2s cubic-bezier(.4,0,.2,1);display:inline-flex}.premium-btn-primary{background-color:var(--accent-color);color:#fff}.premium-btn-primary:hover{background-color:var(--accent-color-hover);transform:translateY(-1px)}.premium-btn-secondary{background-color:var(--bg-color-alt);color:var(--text-color);border:1px solid var(--glass-border)}.premium-btn-secondary:hover{background-color:var(--bg-color);transform:translateY(-1px)}.input{font-size:16px;font-family:var(--font-family);color:var(--text-color);background:0 0;border:none;outline:none;flex:1;padding:12px 16px}.input::placeholder{color:var(--text-color-secondary)}.h1{letter-spacing:-.5px;font-size:34px;font-weight:700}.h2{letter-spacing:-.5px;font-size:28px;font-weight:700}.h3{font-size:22px;font-weight:600}.subheadline{color:var(--text-color-secondary);font-size:15px;font-weight:400;line-height:1.4}.exercise-name{margin-bottom:2px;font-size:16px;font-weight:600;line-height:1.25}.exercise-description{color:var(--text-color-secondary);font-size:14px;line-height:1.3}.container{max-width:800px;margin:0 auto;padding:20px 24px}.container-narrow{max-width:600px}.tab-bar{height:80px;padding-bottom:var(--safe-area-inset-bottom);background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--glass-border);z-index:1000;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.tab-item{color:var(--text-color-secondary);flex-direction:column;align-items:center;gap:4px;font-size:12px;font-weight:500;text-decoration:none;display:flex}.tab-item.active{color:var(--accent-color)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}button:focus-visible,input:focus-visible,a:focus-visible{outline:2px solid var(--accent-color);outline-offset:2px}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (width<=640px){.hide-mobile{display:none!important}.h1{font-size:28px}.h2{font-size:22px}.container{padding:16px}}.badge-grid{grid-template-columns:repeat(4,1fr);gap:12px;display:grid}@media (width<=480px){.badge-grid{grid-template-columns:repeat(3,1fr);gap:8px}}.touch-target{justify-content:center;align-items:center;min-width:44px;min-height:44px;display:inline-flex}.skeleton{background:linear-gradient(90deg, var(--glass-bg) 25%, #ffffff4d 50%, var(--glass-bg) 75%);background-size:200% 100%;border-radius:8px;animation:1.5s infinite skeleton-loading}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{height:16px;margin-bottom:8px}.skeleton-text-sm{width:60%;height:12px}.skeleton-circle{border-radius:50%}.skeleton-card{align-items:center;gap:16px;padding:16px;display:flex}.offline-banner{color:#fff;text-align:center;z-index:2000;background:#ff9500;padding:8px 16px;font-size:14px;font-weight:600;animation:.3s offline-banner-in;position:fixed;top:0;left:0;right:0}@keyframes offline-banner-in{0%{transform:translateY(-100%)}to{transform:translateY(0)}}.search-input-wrapper{margin-bottom:16px;position:relative}.search-input{width:100%;font-size:16px;font-family:var(--font-family);color:var(--text-color);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:12px;outline:none;padding:12px 16px 12px 44px;transition:border-color .2s}.search-input:focus{border-color:var(--accent-color)}.search-input::placeholder{color:var(--text-color-secondary)}.search-icon{color:var(--text-color-secondary);pointer-events:none;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.status-tile{text-align:left;width:100%;color:var(--text-color);background:var(--surface-muted);border:2px solid var(--border-color);font:inherit;cursor:default;border-radius:12px;outline:none;padding:6px 12px;transition:background .2s,border-color .2s;display:block}.status-tile.is-done{background:var(--success-bg);border-color:var(--success-border)}.status-tile.is-locked{opacity:.5}.status-tile.is-clickable{cursor:pointer}.status-tile-pending{color:var(--warning-color);margin-top:2px;font-size:12px;font-weight:600;line-height:1.3}.status-tile-hint{color:var(--text-color-secondary);margin-top:2px;font-size:12px;font-style:italic;line-height:1.3}.level-row{border:2px solid var(--border-color);background:var(--surface-sunken);width:100%;color:var(--text-color);font:inherit;text-align:left;cursor:pointer;border-radius:12px;justify-content:space-between;align-items:center;gap:8px;padding:8px 14px;transition:background .2s,border-color .2s;display:flex}.level-row.is-current{background:var(--surface-muted);border-color:var(--accent-color)}.level-row.is-done{background:var(--success-bg);border-color:var(--success-border)}.level-row.is-disabled{opacity:.5;cursor:not-allowed}.level-row-title{align-items:center;gap:10px;font-size:15px;font-weight:600;display:flex}.level-row-count{color:var(--text-color-secondary);flex-direction:column;align-items:flex-end;gap:2px;font-size:12px;font-weight:600;display:flex}.level-row-count.is-done{color:var(--success-color)}.level-row-note{color:var(--text-color-secondary);font-size:10px}.popover{z-index:100;background:var(--surface);border:1px solid var(--border-color);border-radius:12px;flex-direction:column;gap:4px;min-width:180px;padding:8px;display:flex;position:absolute;top:100%;right:0;box-shadow:0 4px 20px #00000026}.popover-note{color:var(--text-color-secondary);border-bottom:1px solid var(--border-color);margin:0 0 4px;padding:4px 12px 8px;font-size:12px;line-height:1.4}.popover-item{color:var(--text-color);text-align:left;cursor:pointer;background:0 0;border:none;border-radius:8px;align-items:center;gap:10px;padding:10px 12px;font-size:14px;font-weight:500;display:flex}.popover-item:hover{background:var(--surface-sunken)}.icon-button{min-width:44px;min-height:44px;color:var(--text-color-secondary);cursor:pointer;background:0 0;border:none;border-radius:12px;justify-content:center;align-items:center;padding:8px;transition:background .2s;display:inline-flex}.icon-button:hover{background:var(--surface-sunken)}.icon-button.is-danger{color:#ff3b30;background:#ff3b301a}.list-row{background:var(--surface-sunken);border-radius:10px;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;font-size:15px;font-weight:500;display:flex}.app-footer{text-align:center;color:var(--text-color-secondary);padding:24px 20px;font-size:12px}.app-footer a{color:var(--accent-color);text-decoration:none}.app-footer a:hover{text-decoration:underline}