:root{--bd-bg-primary:#0f172a;--bd-bg-secondary:#1e293b;--bd-bg-tertiary:#334155;--bd-bg-elevated:#1e293b;--bd-text-primary:#f8fafc;--bd-text-secondary:#94a3b8;--bd-text-muted:#64748b;--bd-text-inverse:#0f172a;--bd-brand-primary:#22c55e;--bd-brand-hover:#16a34a;--bd-brand-muted:#22c55e20;--bd-success:#22c55e;--bd-warning:#f59e0b;--bd-error:#ef4444;--bd-info:#3b82f6;--bd-border-default:#334155;--bd-border-focus:#6366f1;--bd-font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bd-font-mono:"JetBrains Mono", "Fira Code", Consolas, monospace;--bd-text-xs:.75rem;--bd-text-sm:.875rem;--bd-text-base:1rem;--bd-text-lg:1.125rem;--bd-text-xl:1.25rem;--bd-text-2xl:1.5rem;--bd-text-3xl:1.875rem;--bd-text-4xl:2.25rem;--bd-font-normal:400;--bd-font-medium:500;--bd-font-semibold:600;--bd-font-bold:700;--bd-space-0:0;--bd-space-1:.25rem;--bd-space-2:.5rem;--bd-space-3:.75rem;--bd-space-4:1rem;--bd-space-5:1.25rem;--bd-space-6:1.5rem;--bd-space-8:2rem;--bd-space-10:2.5rem;--bd-space-12:3rem;--bd-space-16:4rem;--bd-space-20:5rem;--bd-radius-none:0;--bd-radius-sm:.375rem;--bd-radius-md:.5rem;--bd-radius-lg:.75rem;--bd-radius-xl:1rem;--bd-radius-2xl:1.5rem;--bd-radius-full:9999px;--bd-shadow-sm:0 1px 2px #0000004d;--bd-shadow-md:0 4px 6px #0000004d;--bd-shadow-lg:0 10px 15px #0000004d;--bd-shadow-xl:0 20px 25px #0000004d;--bd-transition-fast:.1s ease;--bd-transition-normal:.15s ease;--bd-transition-slow:.3s ease;--bd-header-height:56px;--bd-sidebar-width:240px;--bd-max-content-width:1280px;--bd-z-dropdown:100;--bd-z-sticky:200;--bd-z-modal:300;--bd-z-popover:400;--bd-z-tooltip:500;--bg-primary:var(--bd-bg-primary);--bg-secondary:var(--bd-bg-secondary);--bg-tertiary:var(--bd-bg-tertiary);--bg-elevated:var(--bd-bg-elevated);--text-primary:var(--bd-text-primary);--text-secondary:var(--bd-text-secondary);--text-muted:var(--bd-text-muted);--text-inverse:var(--bd-text-inverse);--brand-primary:var(--bd-brand-primary);--brand-hover:var(--bd-brand-hover);--brand-muted:var(--bd-brand-muted);--success:var(--bd-success);--warning:var(--bd-warning);--error:var(--bd-error);--info:var(--bd-info);--border-default:var(--bd-border-default);--border-focus:var(--bd-border-focus);--font-sans:var(--bd-font-sans);--text-xs:var(--bd-text-xs);--text-sm:var(--bd-text-sm);--text-base:var(--bd-text-base);--text-lg:var(--bd-text-lg);--text-xl:var(--bd-text-xl);--text-2xl:var(--bd-text-2xl);--text-3xl:var(--bd-text-3xl);--font-normal:var(--bd-font-normal);--font-medium:var(--bd-font-medium);--font-semibold:var(--bd-font-semibold);--font-bold:var(--bd-font-bold);--space-1:var(--bd-space-1);--space-2:var(--bd-space-2);--space-3:var(--bd-space-3);--space-4:var(--bd-space-4);--space-5:var(--bd-space-5);--space-6:var(--bd-space-6);--space-8:var(--bd-space-8);--space-10:var(--bd-space-10);--space-12:var(--bd-space-12);--radius-sm:var(--bd-radius-sm);--radius-md:var(--bd-radius-md);--radius-lg:var(--bd-radius-lg);--radius-xl:var(--bd-radius-xl);--radius-full:var(--bd-radius-full);--shadow-sm:var(--bd-shadow-sm);--shadow-md:var(--bd-shadow-md);--shadow-lg:var(--bd-shadow-lg);--header-height:var(--bd-header-height);--sidebar-width:var(--bd-sidebar-width)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:16px}body{font-family:var(--bd-font-sans);background-color:var(--bd-bg-primary);color:var(--bd-text-primary);min-height:100vh;line-height:1.5}a{color:var(--bd-brand-primary);transition:color var(--bd-transition-fast);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible{outline:2px solid var(--bd-border-focus);outline-offset:2px}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bd-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bd-bg-tertiary);border-radius:var(--bd-radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--bd-text-muted)}*{scrollbar-width:thin;scrollbar-color:var(--bd-bg-tertiary) var(--bd-bg-secondary)}.bd-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}.bd-truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.bd-btn{justify-content:center;align-items:center;gap:var(--bd-space-2);padding:var(--bd-space-2) var(--bd-space-4);font-size:var(--bd-text-sm);font-weight:var(--bd-font-medium);border-radius:var(--bd-radius-md);transition:all var(--bd-transition-normal);cursor:pointer;border:none;display:inline-flex}.bd-btn:focus-visible{outline:2px solid var(--bd-border-focus);outline-offset:2px}.bd-btn:disabled{opacity:.5;cursor:not-allowed}.bd-btn-primary{background-color:var(--bd-brand-primary);color:var(--bd-text-inverse)}.bd-btn-primary:hover:not(:disabled){background-color:var(--bd-brand-hover)}.bd-btn-secondary{background-color:var(--bd-bg-tertiary);color:var(--bd-text-primary)}.bd-btn-secondary:hover:not(:disabled){background-color:var(--bd-border-default)}.bd-btn-ghost{color:var(--bd-text-secondary);background-color:#0000}.bd-btn-ghost:hover:not(:disabled){background-color:var(--bd-bg-tertiary);color:var(--bd-text-primary)}.bd-btn-danger{background-color:var(--bd-error);color:#fff}.bd-btn-danger:hover:not(:disabled){background-color:#dc2626}.bd-btn-sm{padding:var(--bd-space-1) var(--bd-space-2);font-size:var(--bd-text-xs)}.bd-btn-lg{padding:var(--bd-space-3) var(--bd-space-6);font-size:var(--bd-text-base)}.bd-card{background-color:var(--bd-bg-secondary);border:1px solid var(--bd-border-default);border-radius:var(--bd-radius-lg);padding:var(--bd-space-4)}.bd-card-elevated{box-shadow:var(--bd-shadow-md)}.bd-input{width:100%;padding:var(--bd-space-2) var(--bd-space-3);background-color:var(--bd-bg-tertiary);border:1px solid var(--bd-border-default);border-radius:var(--bd-radius-md);color:var(--bd-text-primary);font-size:var(--bd-text-sm);transition:border-color var(--bd-transition-fast), box-shadow var(--bd-transition-fast)}.bd-input:focus{border-color:var(--bd-border-focus);outline:none;box-shadow:0 0 0 2px #6366f133}.bd-input::placeholder{color:var(--bd-text-muted)}.bd-input:disabled{opacity:.5;cursor:not-allowed}.bd-input-error{border-color:var(--bd-error)}.bd-input-error:focus{box-shadow:0 0 0 2px #ef444433}.bd-badge{padding:var(--bd-space-1) var(--bd-space-2);font-size:var(--bd-text-xs);font-weight:var(--bd-font-medium);border-radius:var(--bd-radius-full);background-color:var(--bd-bg-tertiary);color:var(--bd-text-secondary);align-items:center;display:inline-flex}.bd-badge-success{color:var(--bd-success);background-color:#22c55e33}.bd-badge-warning{color:var(--bd-warning);background-color:#f59e0b33}.bd-badge-error{color:var(--bd-error);background-color:#ef444433}.bd-badge-info{color:var(--bd-info);background-color:#3b82f633}.bd-empty-state{padding:var(--bd-space-12);text-align:center;color:var(--bd-text-muted);flex-direction:column;justify-content:center;align-items:center;display:flex}.bd-spinner{border:2px solid var(--bd-bg-tertiary);border-top-color:var(--bd-brand-primary);border-radius:50%;width:1.5rem;height:1.5rem;animation:.6s linear infinite bd-spin}.bd-spinner-sm{width:1rem;height:1rem}.bd-spinner-lg{width:2rem;height:2rem}@keyframes bd-spin{to{transform:rotate(360deg)}}.bd-overlay{z-index:var(--bd-z-modal);background-color:#0009;position:fixed;inset:0}.bd-modal{background-color:var(--bd-bg-secondary);border:1px solid var(--bd-border-default);border-radius:var(--bd-radius-xl);padding:var(--bd-space-6);max-width:90vw;max-height:90vh;z-index:calc(var(--bd-z-modal) + 1);box-shadow:var(--bd-shadow-xl);position:fixed;top:50%;left:50%;overflow:auto;transform:translate(-50%,-50%)}.btn{justify-content:center;align-items:center;gap:var(--bd-space-2);padding:var(--bd-space-2) var(--bd-space-4);font-size:var(--bd-text-sm);font-weight:var(--bd-font-medium);border-radius:var(--bd-radius-md);transition:all var(--bd-transition-normal);display:inline-flex}.btn-primary{background-color:var(--bd-brand-primary);color:var(--bd-text-inverse)}.btn-primary:hover{background-color:var(--bd-brand-hover)}.btn-secondary{background-color:var(--bd-bg-tertiary);color:var(--bd-text-primary)}.btn-secondary:hover{background-color:var(--bd-border-default)}.btn-ghost{color:var(--bd-text-secondary);background-color:#0000}.btn-ghost:hover{background-color:var(--bd-bg-tertiary);color:var(--bd-text-primary)}.card{background-color:var(--bd-bg-secondary);border:1px solid var(--bd-border-default);border-radius:var(--bd-radius-lg);padding:var(--bd-space-4)}.input{width:100%;padding:var(--bd-space-2) var(--bd-space-3);background-color:var(--bd-bg-tertiary);border:1px solid var(--bd-border-default);border-radius:var(--bd-radius-md);color:var(--bd-text-primary);font-size:var(--bd-text-sm)}.input:focus{border-color:var(--bd-border-focus);outline:none;box-shadow:0 0 0 2px #6366f133}.input::placeholder{color:var(--bd-text-muted)}.badge{padding:var(--bd-space-1) var(--bd-space-2);font-size:var(--bd-text-xs);font-weight:var(--bd-font-medium);border-radius:var(--bd-radius-full);background-color:var(--bd-bg-tertiary);color:var(--bd-text-secondary);align-items:center;display:inline-flex}.badge-success{color:var(--bd-success);background-color:#22c55e33}.badge-warning{color:var(--bd-warning);background-color:#f59e0b33}.badge-error{color:var(--bd-error);background-color:#ef444433}.badge-info{color:var(--bd-info);background-color:#3b82f633}.empty-state{padding:var(--bd-space-12);text-align:center;color:var(--bd-text-muted);flex-direction:column;justify-content:center;align-items:center;display:flex}.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}.bd-confirm-overlay{z-index:1100;background:#0009;justify-content:center;align-items:center;animation:.15s bd-fade-in;display:flex;position:fixed;inset:0}.bd-confirm-dialog{background:var(--bd-bg-primary,#0f172a);border:1px solid var(--bd-border-default,#334155);border-radius:var(--bd-radius-lg,.75rem);text-align:center;width:min(440px,90vw);padding:2rem 1.5rem 1.5rem;animation:.2s bd-slide-up}.bd-confirm-icon{border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:1rem;display:inline-flex}.bd-confirm-title{font-size:var(--bd-text-xl,1.25rem);font-weight:var(--bd-font-semibold,600);color:var(--bd-text-primary,#f8fafc);margin:0 0 .5rem}.bd-confirm-message{font-size:var(--bd-text-sm,.875rem);color:var(--bd-text-secondary,#94a3b8);margin:0 0 1.5rem;line-height:1.6}.bd-confirm-message strong{color:var(--bd-text-primary,#f8fafc)}.bd-confirm-actions{justify-content:center;gap:.75rem;display:flex}.bd-confirm-btn{min-width:120px;font-size:var(--bd-text-sm,.875rem);font-weight:var(--bd-font-medium,500);border-radius:var(--bd-radius-md,.5rem);cursor:pointer;border:none;justify-content:center;align-items:center;gap:.5rem;padding:.5rem 1rem;transition:background .1s,opacity .1s;display:inline-flex}.bd-confirm-btn:disabled{opacity:.6;cursor:not-allowed}.bd-confirm-btn-cancel{background:var(--bd-bg-tertiary,#334155);color:var(--bd-text-primary,#f8fafc);border:1px solid var(--bd-border-default,#334155)}.bd-confirm-btn-cancel:hover:not(:disabled){background:var(--bd-bg-secondary,#1e293b)}.bd-confirm-btn-danger{background:var(--bd-confirm-accent,var(--bd-error,#ef4444));color:#fff}.bd-confirm-btn-danger:hover:not(:disabled){filter:brightness(.9)}.bd-confirm-btn-warning{background:var(--bd-confirm-accent,var(--bd-warning,#f59e0b));color:#fff}.bd-confirm-btn-warning:hover:not(:disabled){filter:brightness(.9)}.bd-confirm-btn-info{background:var(--bd-confirm-accent,var(--bd-info,#3b82f6));color:#fff}.bd-confirm-btn-info:hover:not(:disabled){filter:brightness(.9)}.bd-confirm-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:14px;height:14px;animation:.6s linear infinite bd-spin;display:inline-block}@keyframes bd-fade-in{0%{opacity:0}to{opacity:1}}@keyframes bd-slide-up{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}:root{--coach-header-height:76px;--coach-banner-height:56px;--coach-gutter:var(--bd-space-6)}@media (width<=639px){:root{--coach-header-height:64px;--coach-banner-height:44px;--coach-gutter:var(--bd-space-4)}}.app-shell{flex-direction:column;min-height:100vh;display:flex}.skip-link{left:var(--bd-space-4);z-index:var(--bd-z-tooltip);padding:var(--bd-space-2) var(--bd-space-4);background:var(--bd-brand-primary);color:var(--bd-text-inverse);border-radius:var(--bd-radius-md);font-weight:var(--bd-font-semibold);position:absolute;top:-100px}.skip-link:focus{top:var(--bd-space-2)}.app-header{z-index:var(--bd-z-sticky);background:var(--bd-bg-secondary);border-bottom:1px solid var(--bd-border-default);position:sticky;top:0}.app-header__inner{max-width:var(--bd-max-content-width);min-height:var(--coach-header-height);padding:0 var(--coach-gutter);align-items:center;gap:var(--bd-space-6);margin:0 auto;display:flex;position:relative}.brand-banner{border-radius:var(--bd-radius-lg);flex-shrink:0;line-height:0;display:inline-flex}.brand-banner:hover{text-decoration:none}.brand-banner:focus-visible{outline:2px solid var(--bd-border-focus);outline-offset:3px}.brand-banner img{height:var(--coach-banner-height);border-radius:var(--bd-radius-lg);width:auto;box-shadow:0 0 0 1px #ffffff14, var(--bd-shadow-md);display:block}.primary-nav{flex:1}.primary-nav ul{align-items:center;gap:var(--bd-space-1);list-style:none;display:flex}.primary-nav__link{padding:var(--bd-space-2) var(--bd-space-3);border-radius:var(--bd-radius-md);color:var(--bd-text-secondary);font-weight:var(--bd-font-medium);white-space:nowrap;transition:color var(--bd-transition-fast), background-color var(--bd-transition-fast);display:block}.primary-nav__link:hover{color:var(--bd-text-primary);background:var(--bd-bg-tertiary);text-decoration:none}.primary-nav__link.active{color:var(--bd-brand-primary);background:var(--bd-brand-muted)}.header-user{align-items:center;gap:var(--bd-space-3);flex-shrink:0;margin-left:auto;display:flex}.nav-toggle{border-radius:var(--bd-radius-md);width:44px;height:44px;color:var(--bd-text-primary);flex-direction:column;justify-content:center;gap:5px;padding:0 11px;display:none}.nav-toggle:hover{background:var(--bd-bg-tertiary)}.nav-toggle:focus-visible{outline:2px solid var(--bd-border-focus);outline-offset:2px}.nav-toggle__bar{background:currentColor;border-radius:1px;height:2px;display:block}@media (width<=959px){.app-header__inner{gap:var(--bd-space-3)}.nav-toggle{order:3;display:inline-flex}.header-user{order:2}.primary-nav{background:var(--bd-bg-secondary);border-bottom:1px solid var(--bd-border-default);box-shadow:var(--bd-shadow-lg);padding:var(--bd-space-2) var(--coach-gutter) var(--bd-space-4);display:none;position:absolute;top:100%;left:0;right:0}.primary-nav[data-open=true]{display:block}.primary-nav ul{flex-direction:column;align-items:stretch}.primary-nav__link{padding:var(--bd-space-3)}}.session-countdown{font-size:var(--bd-text-sm);white-space:nowrap}@media (width<=639px){.session-countdown{display:none}}.auth-status{justify-content:center;align-items:center;gap:var(--bd-space-3);min-height:50vh;color:var(--bd-text-secondary);flex-direction:column;display:flex}.app-main{width:100%;max-width:var(--bd-max-content-width);padding:var(--bd-space-8) var(--coach-gutter) var(--bd-space-16);flex:1;margin:0 auto}.app-main:focus{outline:none}.page__title{font-size:var(--bd-text-3xl);font-weight:var(--bd-font-bold);margin-bottom:var(--bd-space-6)}.page__lead{color:var(--bd-text-secondary);margin-bottom:var(--bd-space-6)}.placeholder-card{align-items:flex-start;gap:var(--bd-space-4);max-width:720px;color:var(--bd-text-secondary);flex-direction:column;display:flex}.hero{padding:var(--bd-space-12) 0 var(--bd-space-10);max-width:760px}.hero__eyebrow{color:var(--bd-brand-primary);font-weight:var(--bd-font-semibold);text-transform:uppercase;letter-spacing:.08em;font-size:var(--bd-text-sm);margin-bottom:var(--bd-space-3)}.hero__title{font-size:clamp(2rem,5vw,3.25rem);line-height:1.1;font-weight:var(--bd-font-bold);margin-bottom:var(--bd-space-4)}.hero__accent{color:var(--bd-brand-primary)}.hero__lead{font-size:var(--bd-text-lg);color:var(--bd-text-secondary);margin-bottom:var(--bd-space-8)}.hero__actions{gap:var(--bd-space-3);flex-wrap:wrap;display:flex}.hero__actions .bd-btn:hover{text-decoration:none}.feature-grid{gap:var(--bd-space-4);grid-template-columns:repeat(auto-fit,minmax(240px,1fr));display:grid}.feature-card__title{font-size:var(--bd-text-lg);font-weight:var(--bd-font-semibold);margin-bottom:var(--bd-space-2)}.feature-card__body{color:var(--bd-text-secondary)}.app-footer{border-top:1px solid var(--bd-border-default);background:var(--bd-bg-secondary)}.app-footer__inner{max-width:var(--bd-max-content-width);padding:var(--bd-space-6) var(--coach-gutter);justify-content:space-between;gap:var(--bd-space-4);font-size:var(--bd-text-sm);color:var(--bd-text-muted);flex-wrap:wrap;margin:0 auto;display:flex}.app-footer__notice{max-width:640px}@media (prefers-reduced-motion:reduce){*{transition:none!important}}