:root{--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;--bg-color: #ffffff;--bg-color-alt: #ffffff;--text-color: #1d1d1f;--text-color-secondary: #5a5a60;--accent-color: #e30613;--accent-color-hover: #c40510;--accent-color-rgb: 227, 6, 19;--glass-bg: rgba(255, 255, 255, .8);--glass-border: rgba(0, 0, 0, .06);--glass-shadow: 0 4px 20px 0 rgba(0, 0, 0, .08);--surface: #ffffff;--surface-muted: #f7f7f8;--surface-sunken: rgba(0, 0, 0, .04);--border-color: rgba(0, 0, 0, .12);--success-color: #2e7d32;--success-bg: rgba(52, 199, 89, .16);--success-border: #34c759;--warning-color: #a85800;--safe-area-inset-bottom: env(safe-area-inset-bottom)}@media(prefers-color-scheme:dark){:root{--bg-color: #000000;--bg-color-alt: #1c1c1e;--text-color: #f5f5f7;--text-color-secondary: #b0b0b5;--glass-bg: rgba(28, 28, 30, .7);--glass-border: rgba(255, 255, 255, .1);--surface: #1c1c1e;--surface-muted: #2c2c2e;--surface-sunken: rgba(255, 255, 255, .06);--border-color: rgba(255, 255, 255, .18);--success-color: #6ede8a;--success-bg: rgba(52, 199, 89, .22);--success-border: #34c759;--warning-color: #ffb340}}*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);overflow-x:hidden;transition:background-color .3s ease}.glass-card{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:20px;box-shadow:var(--glass-shadow)}.premium-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;border-radius:12px;font-weight:600;font-size:16px;border:none;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);text-decoration:none}.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{flex:1;padding:12px 16px;font-size:16px;font-family:var(--font-family);color:var(--text-color);background:transparent;border:none;outline:none}.input::placeholder{color:var(--text-color-secondary)}.h1{font-size:34px;font-weight:700;letter-spacing:-.5px}.h2{font-size:28px;font-weight:700;letter-spacing:-.5px}.h3{font-size:22px;font-weight:600}.subheadline{font-size:15px;color:var(--text-color-secondary);font-weight:400;line-height:1.4}.exercise-name{font-weight:600;font-size:16px;margin-bottom:2px;line-height:1.25}.exercise-description{font-size:14px;color:var(--text-color-secondary);line-height:1.3}.container{max-width:800px;margin:0 auto;padding:20px 24px}.container-narrow{max-width:600px}.tab-bar{position:fixed;bottom:0;left:0;right:0;height:80px;padding-bottom:var(--safe-area-inset-bottom);display:flex;justify-content:space-around;align-items:center;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--glass-border);z-index:1000}.tab-item{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--text-color-secondary);text-decoration:none;font-size:12px;font-weight:500}.tab-item.active{color:var(--accent-color)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}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{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(max-width:640px){.hide-mobile{display:none!important}.h1{font-size:28px}.h2{font-size:22px}.container{padding:16px}}.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}@media(max-width:480px){.badge-grid{grid-template-columns:repeat(3,1fr);gap:8px}}.touch-target{min-width:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}.skeleton{background:linear-gradient(90deg,var(--glass-bg) 25%,rgba(255,255,255,.3) 50%,var(--glass-bg) 75%);background-size:200% 100%;animation:skeleton-loading 1.5s infinite;border-radius:8px}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{height:16px;margin-bottom:8px}.skeleton-text-sm{height:12px;width:60%}.skeleton-circle{border-radius:50%}.skeleton-card{padding:16px;display:flex;align-items:center;gap:16px}.offline-banner{position:fixed;top:0;left:0;right:0;background:#ff9500;color:#fff;text-align:center;padding:8px 16px;font-size:14px;font-weight:600;z-index:2000;transform:translateY(-100%);transition:transform .3s ease}.offline-banner.visible{transform:translateY(0)}.search-input-wrapper{position:relative;margin-bottom:16px}.search-input{width:100%;padding:12px 16px 12px 44px;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;transition:border-color .2s}.search-input:focus{border-color:var(--accent-color)}.search-input::placeholder{color:var(--text-color-secondary)}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-color-secondary);pointer-events:none}.status-tile{width:100%;display:block;padding:6px 12px;border-radius:12px;text-align:left;color:var(--text-color);background:var(--surface-muted);border:2px solid var(--border-color);transition:background .2s,border-color .2s;outline:none;font:inherit;cursor:default}.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{font-size:12px;font-weight:600;color:var(--warning-color);margin-top:2px;line-height:1.3}.status-tile-hint{font-size:12px;color:var(--text-color-secondary);margin-top:2px;font-style:italic;line-height:1.3}.level-row{width:100%;display:flex;justify-content:space-between;align-items:center;gap:8px;padding:8px 14px;border-radius:12px;border:2px solid var(--border-color);background:var(--surface-sunken);color:var(--text-color);font:inherit;text-align:left;cursor:pointer;transition:background .2s,border-color .2s}.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{display:flex;align-items:center;gap:10px;font-weight:600;font-size:15px}.level-row-count{display:flex;flex-direction:column;align-items:flex-end;gap:2px;font-size:12px;font-weight:600;color:var(--text-color-secondary)}.level-row-count.is-done{color:var(--success-color)}.level-row-note{font-size:10px;color:var(--text-color-secondary)}.popover{position:absolute;top:100%;right:0;z-index:100;min-width:180px;display:flex;flex-direction:column;gap:4px;padding:8px;border-radius:12px;background:var(--surface);border:1px solid var(--border-color);box-shadow:0 4px 20px #00000026}.popover-note{padding:4px 12px 8px;margin:0 0 4px;font-size:12px;line-height:1.4;color:var(--text-color-secondary);border-bottom:1px solid var(--border-color)}.popover-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border:none;border-radius:8px;background:none;color:var(--text-color);font-size:14px;font-weight:500;text-align:left;cursor:pointer}.popover-item:hover{background:var(--surface-sunken)}.icon-button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:8px;border:none;border-radius:12px;background:none;color:var(--text-color-secondary);cursor:pointer;transition:background .2s}.icon-button:hover{background:var(--surface-sunken)}.icon-button.is-danger{color:#ff3b30;background:#ff3b301a}.list-row{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;border-radius:10px;background:var(--surface-sunken);font-size:15px;font-weight:500}.app-footer{text-align:center;padding:24px 20px;color:var(--text-color-secondary);font-size:12px}.app-footer a{color:var(--accent-color);text-decoration:none}.app-footer a:hover{text-decoration:underline}