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var(--spacing-md);gap:var(--spacing-md);text-align:center;flex:1}.error-state__icon,.empty-state__icon{font-size:48px}.error-state__text,.empty-state__text{font-size:15px;color:var(--color-hint)}.error-state__retry{color:var(--color-primary);font-size:14px;font-weight:600;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-full);background:var(--color-primary-bg)}.skeleton-line{height:16px;background:var(--color-secondary-bg);border-radius:var(--radius-sm);animation:shimmer 1.5s ease-in-out infinite}.skeleton-line--short{width:60%;margin-top:var(--spacing-sm)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-ring{0%{opacity:.6;transform:scale(.8)}to{opacity:0;transform:scale(1.2)}}@keyframes expand-ring{0%{opacity:1;transform:scale(.5)}to{opacity:0;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes shimmer{0%,to{opacity:1}50%{opacity:.5}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.page{animation:fadeIn .2s ease}.safe-top{padding-top:env(safe-area-inset-top,0px)}.safe-bottom{padding-bottom:env(safe-area-inset-bottom,0px)}::-webkit-scrollbar{width:0;height:0}.matching-confirming{display:flex;flex-direction:column;align-items:center;gap:16px;padding:8px 0;animation:fadeIn .3s ease}.confirming__title{font-size:22px;font-weight:700;color:var(--color-text);text-align:center}.confirm-countdown{display:flex;flex-direction:column;align-items:center;gap:8px}.confirm-countdown__hint{font-size:13px;color:var(--color-text-secondary);text-align:center}.confirming__waiting{display:flex;flex-direction:column;align-items:center;gap:10px;padding:12px 20px;border-radius:12px;background:var(--color-surface);width:100%}.confirming__waiting p{font-size:14px;color:var(--color-text-secondary)}.confirming__waiting-dots{display:flex;gap:6px}.confirming__waiting-dots span{width:8px;height:8px;border-radius:50%;background:var(--color-primary);animation:pulse 1.2s ease-in-out infinite}.confirming__waiting-dots span:nth-child(2){animation-delay:.2s}.confirming__waiting-dots span:nth-child(3){animation-delay:.4s}.jitsi-room{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;background:#000;display:flex;flex-direction:column}.jitsi-room__frame{flex:1;width:100%;border:none}.jitsi-room__leave{position:absolute;top:12px;right:12px;z-index:10000;background:#0009;color:#fff;border:none;border-radius:20px;padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.teacher-lessons{display:flex;flex-direction:column;min-height:100%}.teacher-lessons__header{background:linear-gradient(135deg,#1a1a2e,#16213e);padding:var(--spacing-xl) var(--spacing-md) var(--spacing-md);padding-top:calc(var(--spacing-xl) + env(safe-area-inset-top,0px))}.teacher-lessons__title{font-size:24px;font-weight:700;color:#fff}.lesson-filter-tabs{display:flex;gap:8px;padding:var(--spacing-sm) var(--spacing-md);overflow-x:auto;scrollbar-width:none;background:var(--color-bg);border-bottom:1px solid var(--color-separator)}.lesson-filter-tabs::-webkit-scrollbar{display:none}.lesson-filter-tab{flex-shrink:0;padding:6px 14px;border-radius:var(--radius-full);font-size:13px;font-weight:500;color:var(--color-hint);background:var(--color-secondary-bg);border:none;cursor:pointer;transition:all .2s}.lesson-filter-tab--active{background:var(--color-primary);color:#fff}.teacher-lessons__content{flex:1;padding:var(--spacing-md)}.tl-lesson-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.tl-lesson-card{cursor:pointer}.tl-lesson-card__row{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-sm)}.tl-lesson-card__student{display:flex;align-items:center;gap:var(--spacing-sm);flex:1;min-width:0}.tl-lesson-card__info{min-width:0}.tl-lesson-card__name{font-size:15px;font-weight:600;color:var(--color-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tl-lesson-card__date{font-size:12px;color:var(--color-hint);margin-top:2px}.tl-lesson-card__meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0}.tl-lesson-card__price{font-size:13px;font-weight:600;color:var(--color-text)}.tl-lesson-card__rate{margin-top:var(--spacing-xs);font-size:13px}.tl-join-btn{margin-top:var(--spacing-sm);width:100%;padding:8px;background:var(--color-primary-bg);color:var(--color-primary);border:none;border-radius:var(--radius-md);font-size:13px;font-weight:600;cursor:pointer}.balance-header__amount{font-size:38px;font-weight:800;color:#fff;margin-top:4px;line-height:1.1}.balance-header__currency{font-size:18px;font-weight:400;opacity:.7}.balance-stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.balance-stat-card{padding:var(--spacing-md)!important}.balance-stat-card--wide{grid-column:span 2}.balance-stat-card__label{font-size:12px;color:var(--color-hint);margin-bottom:6px}.balance-stat-card__value{font-size:22px;font-weight:700;color:var(--color-text);line-height:1.2}.balance-stat-card__value--green{color:#22c55e}.balance-stat-card__value--blue{color:#3b82f6}.balance-stat-card__currency{font-size:13px;font-weight:400;color:var(--color-hint)}.balance-rating-card{padding:var(--spacing-md)!important}.balance-rating-row{display:flex;align-items:center;justify-content:space-between}.balance-rating-label{font-size:14px;color:var(--color-hint)}.balance-rating-stars{display:flex;align-items:center;gap:2px;font-size:16px}.balance-rating-value{font-size:14px;font-weight:600;color:var(--color-text);margin-left:4px}.teacher-stats-row{display:flex;gap:var(--spacing-sm)}.teacher-stat-item{flex:1;display:flex;flex-direction:column;align-items:center;padding:var(--spacing-md) var(--spacing-sm);background:var(--color-card-bg);border-radius:var(--radius-lg);gap:4px;border:1px solid var(--color-separator)}.teacher-stat-item__value{font-size:22px;font-weight:700;color:var(--color-text)}.teacher-stat-item__label{font-size:11px;color:var(--color-hint);text-align:center;line-height:1.3}.teacher-avatar-img{width:56px;height:56px;object-fit:cover;border-radius:50%;flex-shrink:0}.teacher-detail-avatar-wrap{position:relative;display:inline-flex;flex-direction:column;align-items:center;gap:8px}.teacher-detail-avatar-img{width:96px;height:96px;border-radius:50%;object-fit:cover;border:3px solid rgba(255,255,255,.3)}.teacher-detail-badge{margin-top:4px}.video-preview-section{margin-bottom:var(--spacing-md)}.video-preview-toggle{display:flex;align-items:center;gap:10px;width:100%;padding:var(--spacing-md);background:var(--color-card-bg);border:1px solid var(--color-separator);border-radius:var(--radius-lg);font-size:15px;font-weight:600;color:var(--color-primary);cursor:pointer}.video-preview-toggle__icon{width:36px;height:36px;border-radius:50%;background:var(--color-primary-bg);display:flex;align-items:center;justify-content:center;flex-shrink:0}.video-preview-player{margin-top:var(--spacing-sm);border-radius:var(--radius-lg);overflow:hidden;background:#000}.video-preview-player__video{width:100%;max-height:240px;display:block}.payment-page{display:flex;flex-direction:column;min-height:100%;background:var(--color-bg)}.payment-hero{background:linear-gradient(160deg,#1a1a2e,#e63946);padding:var(--spacing-xl) var(--spacing-md) var(--spacing-xl);padding-top:calc(var(--spacing-xl) + env(safe-area-inset-top,0px));display:flex;flex-direction:column;align-items:center;gap:10px;position:relative}.payment-hero .back-btn--white{position:absolute;top:calc(var(--spacing-md) + env(safe-area-inset-top,0px));left:var(--spacing-md)}.payment-hero__avatar{width:90px;height:90px;border-radius:50%;overflow:hidden;border:3px solid rgba(255,255,255,.35);background:#ffffff1a;display:flex;align-items:center;justify-content:center;margin-top:16px}.payment-hero__avatar-img{width:100%;height:100%;object-fit:cover}.payment-hero__avatar-placeholder{display:flex;align-items:center;justify-content:center}.payment-hero__name{font-size:22px;font-weight:700;color:#fff;text-align:center}.payment-hero__stars{display:flex;align-items:center;gap:2px;font-size:18px}.payment-hero__rating{font-size:14px;color:#fffc;margin-left:4px;font-weight:600}.payment-hero__tag{background:#ffffff26;color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-full);letter-spacing:.5px}.payment-body{flex:1;padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-sm)}.payment-badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;padding:var(--spacing-xs) 0}.payment-badge{display:flex;align-items:center;gap:6px;padding:7px 14px;background:var(--color-card-bg);border:1px solid var(--color-separator);border-radius:var(--radius-full);font-size:13px;font-weight:500;color:var(--color-text)}.payment-badge__icon{font-size:15px}.payment-price-card{padding:var(--spacing-md)!important;display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center}.payment-price-card__label{font-size:12px;color:var(--color-hint);text-transform:uppercase;letter-spacing:.5px}.payment-price-card__amount{font-size:34px;font-weight:800;color:var(--color-text);line-height:1.1}.payment-price-card__currency{font-size:16px;font-weight:400;color:var(--color-hint)}.payment-includes-card{padding:var(--spacing-md)!important}.payment-includes-card__title{font-size:14px;font-weight:700;color:var(--color-text);margin-bottom:var(--spacing-sm)}.payment-includes-list{list-style:none;display:flex;flex-direction:column;gap:10px}.payment-includes-item{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--color-text);line-height:1.4}.payment-includes-item__check{width:20px;height:20px;border-radius:50%;background:#22c55e20;color:#22c55e;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}.payment-note{font-size:12px;color:var(--color-hint);text-align:center;line-height:1.5;padding:0 var(--spacing-sm)}.participant__avatar-img{width:36px;height:36px;border-radius:50%;object-fit:cover}.skip-btn{width:100%;text-align:center;padding:var(--spacing-sm);font-size:14px;color:var(--color-hint);background:none;border:none;cursor:pointer;margin-top:var(--spacing-xs)}