:root{color-scheme:dark;--background: #0a0f1a;--foreground: #f5f7ff;--surface: #111827;--surface-elevated: #1a2235;--card: rgba(17, 24, 39, .85);--border: rgba(255, 255, 255, .08);--muted: #8b95a8;--primary: #5cff8a;--primary-foreground: #0a0f1a;--destructive: #ff7b72;--ring: #5cff8a;--neon: #5cff8a;--accent: #ff8c42;--chart-1: #5cff8a;--chart-2: #ff8c42;--chart-3: #6b9fff;font-family:Inter,system-ui,sans-serif;background:var(--background);color:var(--foreground)}body{margin:0;min-height:100vh;background-color:var(--background);background-image:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(92,255,138,.08),transparent),radial-gradient(ellipse 60% 40% at 100% 100%,rgba(255,140,66,.05),transparent)}h1,h2{font-family:Space Grotesk,Inter,system-ui,sans-serif}.skip-link{position:absolute;left:-9999px;top:0;z-index:100;padding:8px 16px;background:var(--primary);color:var(--primary-foreground);border-radius:8px}.skip-link:focus{left:16px;top:16px}.shell{max-width:900px;margin:0 auto;padding:24px}.page-main{display:grid;gap:16px}.glass-card{background:linear-gradient(135deg,#111827d9,#11182773);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:16px}.neon-glow:focus-visible,.brand-btn-primary:hover{box-shadow:0 0 20px #5cff8a59}.card{background:linear-gradient(135deg,#111827d9,#11182773);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:16px;padding:20px;margin-bottom:16px}.brand-btn{padding:10px 14px;border-radius:12px;border:none;cursor:pointer;font-weight:600;font-size:14px;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}.brand-btn:disabled{opacity:.5;cursor:not-allowed}.brand-btn-primary{background:var(--primary);color:var(--primary-foreground)}.brand-btn-ghost{background:transparent;border:1px solid var(--border);color:var(--foreground)}.brand-btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}.brand-btn-danger{background:var(--destructive);color:#fff}.nav-link.active{border-color:var(--primary);color:var(--primary)}.topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:8px;flex-wrap:wrap}.brand-kicker{margin:0 0 4px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.actions{display:flex;gap:8px;flex-wrap:wrap}.section-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.mobile-menu-btn{display:none}.stack{display:grid;gap:12px}label,.field-label{display:grid;gap:6px;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}textarea,input,select{padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#0f1528;color:inherit;font-size:14px}textarea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.5;resize:vertical;width:100%;box-sizing:border-box}input[aria-invalid=true],textarea[aria-invalid=true]{border-color:var(--destructive)}.success{color:var(--primary)}.error{color:var(--destructive);font-size:14px}.muted{color:var(--muted);font-size:14px}.grid-stats{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.stat-card-header{display:flex;align-items:center;gap:8px}.stat-label{margin:0;font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}.stat-value{margin:8px 0 0;font-size:28px;font-weight:700;font-family:Space Grotesk,Inter,sans-serif}.stat-icon{font-size:18px}.stat-card-warning .stat-value{color:var(--accent)}.stat-card-success .stat-value{color:var(--primary)}.chart-card h2{font-size:14px;margin:0 0 12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.data-table{width:100%;border-collapse:collapse}.data-table th,.data-table td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);font-size:14px}.table-scroll{overflow-x:auto}.inline-form{grid-template-columns:1fr auto;align-items:end}.placeholder-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:12px}.placeholder-list li{border-bottom:1px solid var(--border);padding-bottom:10px}.version-actions{display:flex;gap:6px;justify-content:flex-end;flex-wrap:wrap}.login-card{max-width:420px;margin:10vh auto 0}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:grid;place-items:center;z-index:50;padding:16px}.dialog-card{max-width:520px;width:100%;margin-bottom:0}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.empty-state{padding:24px 0;text-align:center}.empty-state-title{margin:0 0 8px;font-weight:600}.multi-chips .chip-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.chip{border-radius:999px;padding:4px 10px;font-size:12px;background:#5cff8a1f;color:var(--primary);border:1px solid rgba(92,255,138,.25);cursor:pointer}.multi-chips input{flex:1;min-width:140px}.switch-row{display:flex;justify-content:space-between;align-items:center;text-transform:none;font-size:14px;color:var(--foreground)}.switch{width:44px;height:24px;border-radius:999px;border:1px solid var(--border);background:#0f1528;padding:2px;cursor:pointer}.switch.on{background:#5cff8a40;border-color:var(--primary)}.switch-thumb{display:block;width:18px;height:18px;border-radius:50%;background:var(--muted);transition:transform .15s ease}.switch.on .switch-thumb{transform:translate(20px);background:var(--primary)}.coach-subtabs{display:flex;gap:8px;margin-bottom:16px}.coach-subtabs [aria-selected=true]{border-color:var(--primary);color:var(--primary)}.profile-preview-cover{height:120px;border-radius:12px;background:linear-gradient(135deg,#5cff8a33,#ff8c4226);margin-bottom:-32px}.profile-preview-avatar{width:72px;height:72px;border-radius:50%;border:3px solid var(--surface-elevated);object-fit:cover;margin-left:16px}.sticky-save{position:sticky;bottom:16px;display:flex;justify-content:flex-end;padding-top:12px}.toast-stack{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:8px}.toast{padding:12px 16px;border-radius:12px;font-size:14px;border:1px solid var(--border);background:var(--surface-elevated)}.toast-success{border-color:#5cff8a59}.toast-error{border-color:#ff7b7259}.chat-thread{max-height:320px;overflow-y:auto;display:grid;gap:8px;margin-bottom:12px}.chat-bubble{padding:10px 12px;border-radius:12px;max-width:85%;font-size:14px}.chat-bubble-coach{background:#5cff8a1f;justify-self:end}.chat-bubble-athlete{background:#ffffff0f;justify-self:start}.chat-date{text-align:center;font-size:12px;color:var(--muted);margin:8px 0}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--ring);outline-offset:2px}@media(prefers-reduced-motion:reduce){.switch-thumb{transition:none}}@media(max-width:768px){.mobile-menu-btn{display:inline-flex}.actions{display:none;width:100%;flex-direction:column}.actions.open{display:flex}.section-tabs{display:none}}