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60%),var(--color-bg)}.auth-card{width:100%;max-width:420px;padding:var(--space-6)}.auth-card__brand{display:flex;align-items:center;gap:10px;margin-bottom:var(--space-5)}.auth-card__logo{width:40px;height:40px;border-radius:12px;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800}.auth-card__title{font-size:var(--font-size-xl);font-weight:700}.auth-card__subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:2px}.auth-card__form{display:flex;flex-direction:column;gap:var(--space-4);margin-top:var(--space-5)}.auth-card__switch{margin-top:var(--space-4);font-size:var(--font-size-sm);color:var(--color-text-secondary);text-align:center}.auth-card__switch button{border:none;background:none;color:var(--color-primary);cursor:pointer;font-size:inherit;padding:0}.splash-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4);color:var(--color-text-secondary)}.splash-screen__logo{width:52px;height:52px;border-radius:14px;background:var(--color-primary);color:#fff;font-size:26px;font-weight:800;display:flex;align-items:center;justify-content:center}.splash-screen__text{font-size:var(--font-size-sm)}.section-title{font-size:var(--font-size-lg);font-weight:600;margin:var(--space-6) 0 var(--space-3)}.list-stack{display:flex;flex-direction:column;gap:var(--space-3)}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:var(--space-4)}.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--space-4)}.filter-bar{display:flex;flex-wrap:wrap;gap:var(--space-3);align-items:flex-end;margin-bottom:var(--space-4)}.filter-bar 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var(--color-border)}.workout-item:last-child{border-bottom:none}.workout-item__main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.workout-item__head{display:flex;align-items:center;gap:var(--space-2)}.workout-item__time{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.workout-item__metrics{display:flex;gap:var(--space-4);font-size:var(--font-size-sm);color:var(--color-text-secondary);font-variant-numeric:tabular-nums;flex-wrap:wrap;justify-content:flex-end}.workout-item__actions{display:flex;gap:var(--space-3);flex-shrink:0}.link-button{border:none;background:none;color:var(--color-primary);cursor:pointer;font-size:var(--font-size-sm);padding:0}.link-button--danger{color:var(--color-danger)}@media (max-width: 720px){.workout-item{flex-direction:column;align-items:flex-start}.workout-item__metrics{justify-content:flex-start}}.challenge-card{display:flex;flex-direction:column;gap:var(--space-3)}.challenge-card__head{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-3)}.challenge-card__title{font-size:var(--font-size-lg);font-weight:600}.challenge-card__summary{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.6}.challenge-card__meta{display:flex;flex-wrap:wrap;gap:var(--space-2)}.challenge-card__dates{font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.leaderboard{display:flex;flex-direction:column}.leaderboard__row{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) 0;border-bottom:1px solid var(--color-border);font-variant-numeric:tabular-nums}.leaderboard__row:last-child{border-bottom:none}.leaderboard__row--me{background:var(--color-primary-soft);border-radius:var(--radius-sm);padding-left:var(--space-3);padding-right:var(--space-3)}.leaderboard__rank{width:32px;text-align:center;font-weight:700;color:var(--color-text-secondary)}.leaderboard__alias{flex:1}.leaderboard__progress{font-weight:600}.leaderboard__generated{font-size:var(--font-size-xs);color:var(--color-text-tertiary);margin-bottom:var(--space-3)}.exercise-card{display:flex;flex-direction:column;gap:var(--space-3);cursor:pointer;transition:box-shadow .15s ease,transform .15s ease}.exercise-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.exercise-card__image{width:100%;height:150px;object-fit:cover;border-radius:var(--radius-sm);background:var(--color-bg)}.exercise-card__name{font-weight:600}.exercise-card__original{font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.exercise-tags{display:flex;flex-wrap:wrap;gap:6px}.exercise-detail__images{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3)}.exercise-detail__images img{width:100%;border-radius:var(--radius-sm);background:var(--color-bg)}.exercise-detail__section-title{font-size:var(--font-size-md);font-weight:600;margin:var(--space-3) 0 var(--space-2)}.exercise-detail__instructions{white-space:pre-wrap;line-height:1.7;color:var(--color-text-secondary)}.ticket-message{display:flex;flex-direction:column;gap:2px;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);background:var(--color-surface-muted)}.ticket-message--user{background:var(--color-primary-soft)}.ticket-message__meta{font-size:var(--font-size-xs);color:var(--color-text-tertiary);display:flex;gap:var(--space-2)}.ticket-message__body{line-height:1.7;white-space:pre-wrap}.insight-card{display:flex;flex-direction:column;gap:var(--space-2);border-left:3px solid var(--color-primary)}.insight-card__title{font-weight:600}.insight-card__message{color:var(--color-text-secondary);line-height:1.7}.insight-card__meta{font-size:var(--font-size-xs);color:var(--color-text-tertiary)}.safety-notice{margin-top:var(--space-4);padding:var(--space-3) var(--space-4);background:#fffbeb;border:1px solid #fde68a;border-radius:var(--radius-sm);font-size:var(--font-size-xs);color:#92400e;line-height:1.6}.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-4)}.profile-value{font-size:var(--font-size-lg);font-weight:600}.profile-label{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-bottom:4px}.identity-row{display:flex;align-items:center;justify-content:space-between;padding:var(--space-3) 0;border-bottom:1px solid var(--color-border)}.identity-row:last-child{border-bottom:none}.markdown-body{line-height:1.75;color:var(--color-text);font-size:var(--font-size-md)}.markdown-body h2{font-size:var(--font-size-xl);margin:var(--space-5) 0 var(--space-3)}.markdown-body h3{font-size:var(--font-size-lg);margin:var(--space-4) 0 var(--space-2)}.markdown-body h4{font-size:var(--font-size-md);margin:var(--space-3) 0 var(--space-2)}.markdown-body p{margin:var(--space-3) 0}.markdown-body ul,.markdown-body ol{margin:var(--space-3) 0;padding-left:24px}.markdown-body li{margin:4px 0}.markdown-body blockquote{margin:var(--space-3) 0;padding:6px 14px;border-left:3px solid var(--color-primary);background:var(--color-surface-muted);color:var(--color-text-secondary);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.markdown-body code{background:var(--color-bg);padding:1px 6px;border-radius:4px;font-size:.9em}.trend-chart{width:100%;height:auto;display:block}.trend-chart__track{fill:var(--color-bg)}.trend-chart__bar{fill:var(--color-primary)}.trend-chart__bar:hover{fill:var(--color-primary-dark)}.trend-chart__label{font-size:10px;fill:var(--color-text-tertiary)}