:root{--coach-ink:#101722;--coach-muted:#5f6876;--coach-line:#e7ebf1;--coach-bg:#f6f8fb;--coach-card:#fff;--coach-seed:#0a6cc7;--coach-seed-dark:#084f92;--coach-accent:#3baaf3;--coach-danger:#c23b3b;--coach-danger-bg:#fbeaea;--coach-success:#1a8a5a;--coach-success-bg:#e8f6ef;--coach-warning:#a3690a;--coach-warning-bg:#fdf3e2;--coach-radius-sm:14px;--coach-radius-md:20px;--coach-radius-lg:24px}.coach-root{background:var(--coach-bg);min-height:100vh;color:var(--coach-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}.coach-root *{box-sizing:border-box}.coach-page{max-width:1100px;margin:0 auto;padding:24px 16px 64px}.coach-page--narrow{max-width:480px}.coach-shell{align-items:stretch;min-height:100vh;display:flex}.coach-topbar{display:none}.coach-logo{letter-spacing:.02em;color:var(--coach-seed-dark);white-space:nowrap;font-size:18px;font-weight:800}.coach-sidenav{background:var(--coach-card);border-right:1px solid var(--coach-line);flex-direction:column;flex-shrink:0;gap:2px;width:240px;padding:20px 12px;display:flex}.coach-sidenav-brand{letter-spacing:.02em;color:var(--coach-seed-dark);padding:4px 10px 16px;font-size:18px;font-weight:800}.coach-sidenav-links{flex-direction:column;gap:2px;display:flex}.coach-nav-link{border-radius:var(--coach-radius-sm);color:var(--coach-muted);justify-content:space-between;align-items:center;gap:8px;padding:9px 10px;font-size:14px;font-weight:600;text-decoration:none;display:flex}.coach-nav-link:hover{background:var(--coach-bg)}.coach-nav-link.is-active{color:var(--coach-seed-dark);background:#0a6cc71a}.coach-nav-link--disabled{opacity:.55;cursor:default}.coach-nav-badge{background:var(--coach-bg);color:var(--coach-muted);white-space:nowrap;border-radius:999px;padding:2px 8px;font-size:10px;font-weight:700}.coach-nav-section-label{text-transform:uppercase;letter-spacing:.05em;color:var(--coach-muted);padding:12px 10px 2px;font-size:11px;font-weight:700}.coach-nav-sep{background:var(--coach-line);height:1px;margin:10px 6px}.coach-sidenav-footer{border-top:1px solid var(--coach-line);flex-direction:column;gap:10px;margin-top:auto;padding-top:14px;display:flex}.coach-sidenav-footer-name{color:var(--coach-ink);overflow-wrap:anywhere;padding:0 10px;font-size:13px;font-weight:700}.coach-shell-main{flex:1;min-width:0}:is(.coach-nav-link:focus-visible,.coach-topbar-toggle:focus-visible){outline:2px solid var(--coach-accent);outline-offset:2px}.coach-topbar-toggle{border-radius:var(--coach-radius-sm);border:1px solid var(--coach-line);color:var(--coach-seed-dark);cursor:pointer;background:#fff;align-items:center;padding:8px 14px;font-size:13px;font-weight:700;display:inline-flex}@media (max-width:820px){.coach-shell{flex-direction:column}.coach-topbar{background:var(--coach-card);border-bottom:1px solid var(--coach-line);justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.coach-sidenav{border-right:0;border-bottom:1px solid var(--coach-line);width:100%;display:none}.coach-sidenav.is-open{display:flex}.coach-sidenav-brand{display:none}}.coach-card{background:var(--coach-card);border:1px solid var(--coach-line);border-radius:var(--coach-radius-md);padding:20px}.coach-card+.coach-card{margin-top:16px}.coach-title{margin:0 0 4px;font-size:22px;font-weight:800}.coach-subtitle{color:var(--coach-muted);margin:0 0 20px;font-size:14px}.coach-section-title{margin:0 0 12px;font-size:16px;font-weight:700}.coach-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;display:flex}.coach-row+.coach-row{margin-top:12px}.coach-stack{flex-direction:column;gap:12px;display:flex}.coach-field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.coach-field label{color:var(--coach-muted);font-size:13px;font-weight:600}.coach-input,.coach-select,.coach-textarea{border:1px solid var(--coach-line);border-radius:var(--coach-radius-sm);color:var(--coach-ink);background:#fff;width:100%;padding:10px 12px;font-family:inherit;font-size:15px}.coach-input:focus,.coach-select:focus,.coach-textarea:focus{outline:2px solid var(--coach-accent);outline-offset:1px}.coach-input--sm{padding:6px 8px;font-size:14px}.coach-textarea{resize:vertical;min-height:72px}.coach-btn{border-radius:var(--coach-radius-sm);cursor:pointer;background:var(--coach-seed);color:#fff;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:700;line-height:1.2;text-decoration:none;display:inline-flex}.coach-btn:hover{background:var(--coach-seed-dark)}.coach-btn:disabled{opacity:.55;cursor:not-allowed}.coach-btn--secondary{color:var(--coach-seed-dark);border-color:var(--coach-line);background:#fff}.coach-btn--secondary:hover{background:var(--coach-bg)}.coach-btn--danger{color:var(--coach-danger);background:#fff;border-color:#f0caca}.coach-btn--danger:hover{background:var(--coach-danger-bg)}.coach-btn--sm{padding:6px 12px;font-size:13px}.coach-btn--block{width:100%}.coach-btn--icon{padding:6px 10px}.coach-link{color:var(--coach-seed-dark);font-weight:600;text-decoration:none}.coach-link:hover{text-decoration:underline}.coach-badge{background:var(--coach-bg);color:var(--coach-muted);border-radius:999px;align-items:center;padding:3px 10px;font-size:12px;font-weight:700;display:inline-flex}.coach-badge--active{background:var(--coach-success-bg);color:var(--coach-success)}.coach-badge--muted{background:var(--coach-bg);color:var(--coach-muted)}.coach-alert{border-radius:var(--coach-radius-sm);margin-bottom:16px;padding:12px 14px;font-size:14px}.coach-alert--error{background:var(--coach-danger-bg);color:var(--coach-danger)}.coach-alert--success{background:var(--coach-success-bg);color:var(--coach-success)}.coach-alert--warning{background:var(--coach-warning-bg);color:var(--coach-warning)}.coach-alert--info{color:var(--coach-seed-dark);background:#3baaf31f}.coach-empty{text-align:center;color:var(--coach-muted);padding:32px 16px}.coach-empty-cta{margin-top:16px}.coach-skeleton{color:var(--coach-muted);text-align:center;padding:24px 0}.coach-divider{background:var(--coach-line);border:none;height:1px;margin:16px 0}.coach-table{border-collapse:collapse;width:100%;font-size:14px}.coach-table th,.coach-table td{text-align:left;border-bottom:1px solid var(--coach-line);padding:6px 8px}.coach-table th{color:var(--coach-muted);text-transform:uppercase;letter-spacing:.03em;font-size:12px;font-weight:600}.coach-chip-row{flex-wrap:wrap;gap:6px;display:flex}.coach-chip{border:1px solid var(--coach-line);color:var(--coach-muted);cursor:pointer;background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600}.coach-chip.is-selected{background:var(--coach-seed);border-color:var(--coach-seed);color:#fff}.coach-code-display{letter-spacing:.12em;text-align:center;border-radius:var(--coach-radius-lg);color:var(--coach-seed-dark);background:#0a6cc714;margin-bottom:12px;padding:20px;font-size:36px;font-weight:800}.coach-search-results{border:1px solid var(--coach-line);border-radius:var(--coach-radius-sm);background:#fff;max-height:260px;margin-top:6px;overflow-y:auto}.coach-search-result{cursor:pointer;border-bottom:1px solid var(--coach-line);flex-direction:column;padding:8px 12px;display:flex}.coach-search-result:last-child{border-bottom:none}.coach-search-result:hover{background:var(--coach-bg)}.coach-search-result-name{font-size:14px;font-weight:600}.coach-search-result-meta{color:var(--coach-muted);font-size:12px}.coach-sheet-card{border:1px solid var(--coach-line);border-radius:var(--coach-radius-md);background:#fbfcfe;margin-bottom:16px;padding:16px}.coach-exercise-card{border:1px solid var(--coach-line);border-radius:var(--coach-radius-sm);background:#fff;margin-bottom:12px;padding:12px}.coach-exercise-fields{grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:10px;margin:10px 0;display:grid}.coach-inline-actions{align-items:center;gap:6px;display:flex}.coach-share-panel{border-top:1px solid var(--coach-line);margin-top:12px;padding-top:12px}.coach-share-row{justify-content:space-between;align-items:center;gap:12px;padding:8px 0;font-size:14px;display:flex}.coach-share-row--fixed{color:var(--coach-muted);font-size:13px}.coach-switch{flex-shrink:0;width:40px;height:22px;display:inline-block;position:relative}.coach-switch input{opacity:0;cursor:pointer;z-index:1;width:100%;height:100%;margin:0;position:absolute;inset:0}.coach-switch-track{background:var(--coach-line);border-radius:999px;transition:background .15s;position:absolute;inset:0}.coach-switch-track:after{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .15s;position:absolute;top:2px;left:2px;box-shadow:0 1px 2px #00000040}.coach-switch input:checked+.coach-switch-track{background:var(--coach-seed)}.coach-switch input:checked+.coach-switch-track:after{transform:translate(18px)}.coach-switch input:disabled+.coach-switch-track{opacity:.55}.coach-ring-row{flex-wrap:wrap;align-items:center;gap:18px;display:flex}.coach-ring-number{font-variant-numeric:tabular-nums;font-size:30px;font-weight:800;line-height:1}.coach-ring-sub{color:var(--coach-muted);margin-top:4px;font-size:12px}.coach-macro-grid{flex:1;grid-template-columns:repeat(3,1fr);gap:10px;min-width:220px;display:grid}.coach-macro-item{color:var(--coach-muted);flex-direction:column;gap:5px;font-size:12px;display:flex}.coach-macro-item b{color:var(--coach-ink);font-variant-numeric:tabular-nums}.coach-macro-track{background:var(--coach-bg);border-radius:999px;height:6px;overflow:hidden}.coach-macro-fill{background:var(--coach-seed);border-radius:999px;height:100%;display:block}.coach-meal-list{flex-direction:column;margin-top:14px;display:flex}.coach-progress-track{background:var(--coach-line);border-radius:999px;height:6px;margin-top:8px;overflow:hidden}.coach-progress-fill{background:var(--coach-seed);height:100%}.coach-progress-fill--over{background:var(--coach-danger)}.coach-auth-shell{background:linear-gradient(160deg, var(--coach-seed) 0%, var(--coach-seed-dark) 55%, #06264a 100%);justify-content:center;align-items:center;min-height:100vh;padding:24px 16px;display:flex}.coach-auth-card{border-radius:var(--coach-radius-lg);background:#fff;width:100%;max-width:420px;padding:32px 28px;box-shadow:0 20px 50px #06264a59}.coach-auth-logo{color:var(--coach-seed-dark);margin-bottom:4px;font-size:22px;font-weight:800}.coach-video-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;display:grid}.coach-video-card{cursor:pointer;text-align:left;font:inherit;color:inherit;background:0 0;border:none;padding:0}.coach-video-thumb{aspect-ratio:4/3;border-radius:var(--coach-radius-sm);color:#fff;background:linear-gradient(135deg,#2a3542,#4a5a6c);justify-content:center;align-items:center;width:100%;display:flex;position:relative;overflow:hidden}.coach-video-thumb img{object-fit:cover;width:100%;height:100%}.coach-video-thumb-play{width:34px;height:34px;color:var(--coach-seed-dark);background:#ffffffe6;border-radius:999px;justify-content:center;align-items:center;font-size:13px;display:flex}.coach-video-duration{color:#fff;font-variant-numeric:tabular-nums;background:#0009;border-radius:6px;padding:2px 6px;font-size:11px;position:absolute;bottom:6px;right:6px}.coach-video-caption{margin-top:6px;font-size:13px}.coach-video-caption b{font-size:13px;display:block}.coach-video-caption span{color:var(--coach-muted);font-size:12px}.coach-video-pill-row{flex-wrap:wrap;gap:4px;margin-top:4px;display:flex}.coach-badge--info{color:var(--coach-seed-dark);background:#3baaf324}.coach-badge--pinned{background:var(--coach-warning-bg);color:var(--coach-warning)}.coach-video-exercise-btn{align-items:center;gap:6px;display:inline-flex}.coach-modal-overlay{z-index:100;background:#101722a6;justify-content:center;align-items:flex-start;padding:24px 16px;display:flex;position:fixed;inset:0;overflow-y:auto}.coach-modal-card{border-radius:var(--coach-radius-lg);background:#fff;width:100%;max-width:640px;margin:auto 0;padding:20px}.coach-modal-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.coach-video-player-wrap{border-radius:var(--coach-radius-sm);background:#0f172a;position:relative;overflow:hidden}.coach-video-player-wrap video{background:#000;width:100%;max-height:60vh;display:block}.coach-video-watermark{color:#ffffffbf;pointer-events:none;background:#00000059;border-radius:999px;padding:2px 8px;font-size:11px;position:absolute;top:8px;right:10px}.coach-video-nav{color:#fff;cursor:pointer;background:#00000073;border:none;border-radius:999px;width:32px;height:32px;font-size:16px;line-height:1;position:absolute;top:50%;transform:translateY(-50%)}.coach-video-nav--prev{left:8px}.coach-video-nav--next{right:8px}.coach-comment-list{flex-direction:column;gap:10px;margin:10px 0;display:flex}.coach-comment-item{border-top:1px solid var(--coach-line);padding-top:10px;font-size:14px}.coach-comment-meta{color:var(--coach-muted);margin-bottom:2px;font-size:12px}.coach-comment-form{flex-direction:column;gap:8px;display:flex}@media (max-width:640px){.coach-code-display{letter-spacing:.08em;font-size:28px}.coach-auth-card{padding:24px 20px}}