@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--color-bg: #0e0e11;--color-surface: #17171c;--color-surface-2: #1e1e26;--color-surface-3: #26262f;--color-border: rgba(255, 255, 255, .07);--color-border-focus: rgba(99, 120, 255, .5);--color-primary: #6378ff;--color-primary-dim: rgba(99, 120, 255, .12);--color-primary-hover:#7a8fff;--color-success: #3ecf8e;--color-success-dim: rgba(62, 207, 142, .12);--color-warning: #f5a524;--color-danger: #f06565;--color-danger-dim: rgba(240, 101, 101, .12);--color-text: #f0f0f5;--color-text-secondary: #9090a8;--color-text-tertiary: #55556a;--color-card: #17171c;--color-bg-hover: #1e1e26;--font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-size-xs: .6875rem;--font-size-sm: .8125rem;--font-size-md: .9375rem;--font-size-lg: 1.0625rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 9999px;--shadow-card: 0 1px 3px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.25);--shadow-modal: 0 4px 32px rgba(0,0,0,.6);--shadow-glow: 0 0 24px rgba(99, 120, 255, .2);--duration-fast: .12s;--duration-base: .22s;--ease: cubic-bezier(.25, .46, .45, .94)}[data-theme=light]{--color-bg: #f5f5f7;--color-surface: #ffffff;--color-surface-2: #f0f0f2;--color-surface-3: #e8e8ec;--color-border: rgba(0, 0, 0, .08);--color-border-focus: rgba(99, 120, 255, .4);--color-primary: #4f5fd9;--color-primary-dim: rgba(79, 95, 217, .08);--color-primary-hover:#3d4fc7;--color-primary-rgb: 79, 95, 217;--color-success: #2da66e;--color-success-dim: rgba(45, 166, 110, .08);--color-warning: #d48f1a;--color-danger: #d94f4f;--color-danger-dim: rgba(217, 79, 79, .08);--color-text: #1a1a2e;--color-text-secondary: #6b6b80;--color-text-tertiary: #9999aa;--color-card: 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var(--space-5)}.order-summary__row--total{padding-top:var(--space-4)}.order-summary__label{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.order-summary__value{font-size:var(--font-size-sm);font-weight:600}.order-summary__value--price{font-size:var(--font-size-lg);color:var(--color-text)}.order-summary__divider{height:1px;background:var(--color-border);margin:0 var(--space-5)}.section-label{font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-tertiary);padding:0 var(--space-1)}.providers-list{display:flex;flex-direction:column;gap:var(--space-2)}.provider-item{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-5);background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--duration-fast) var(--ease),background var(--duration-fast) 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infinite}.bot-card__lang{font-size:var(--font-size-xs);color:var(--color-text-secondary);font-weight:500;margin-top:2px}.bot-card__desc{font-size:var(--font-size-xs);color:var(--color-text-tertiary);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bot-card__arrow{color:var(--color-text-tertiary);flex-shrink:0}.bot-card__tg-btn{flex-shrink:0;color:var(--color-text-tertiary);padding:6px;border-radius:50%;transition:color .15s,background .15s;display:flex;align-items:center;justify-content:center}.bot-card__tg-btn:active{color:#29a9ea;background:#29a9ea1a}.bot-hero{display:flex;align-items:center;gap:var(--space-4);flex-wrap:wrap}.bot-hero__emoji{width:64px;height:64px;border-radius:var(--radius-lg);background:var(--color-surface-2);border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-size:34px;flex-shrink:0;line-height:1}.bot-hero__name{font-size:var(--font-size-2xl);font-weight:700;letter-spacing:-.02em}.bot-hero__lang{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:2px}.bot-desc{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:1.7}.plans-header-bot{display:flex;align-items:center;gap:var(--space-4)}.plans-header-bot__emoji{width:48px;height:48px;border-radius:var(--radius-md);background:var(--color-surface-2);border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0;line-height:1}.payment-bot-header{display:flex;align-items:center;gap:var(--space-4)}.payment-bot-header__emoji{width:52px;height:52px;border-radius:var(--radius-md);background:var(--color-surface-2);border:1px solid var(--color-border);display:flex;align-items:center;justify-content:center;font-size:28px;flex-shrink:0;line-height:1}.provider-item__rec{color:var(--color-primary);font-weight:500}.settings-section{display:flex;flex-direction:column;gap:0}.settings-section__title{font-size:var(--font-size-xs);font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-tertiary);padding:0 var(--space-1) var(--space-2)}.settings-section__body{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.settings-row{display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) var(--space-5);background:transparent;border:none;width:100%;text-align:left;font-family:var(--font-family);color:var(--color-text);cursor:pointer;transition:background var(--duration-fast) var(--ease);-webkit-tap-highlight-color:transparent}.settings-row:not([disabled]):hover{background:var(--color-surface-2)}.settings-row:disabled{cursor:default}.settings-row__left{display:flex;flex-direction:column;gap:2px;min-width:0}.settings-row__label{font-size:var(--font-size-sm);font-weight:500}.settings-row__value{font-size:var(--font-size-xs);color:var(--color-text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.settings-divider{height:1px;background:var(--color-border);margin:0 var(--space-5)}.theme-selector{display:flex;gap:var(--space-2);padding:var(--space-3) var(--space-4)}.theme-btn{flex:1;padding:var(--space-2) var(--space-3);font-size:.875rem;font-weight:600;background:var(--color-bg);border:2px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:border-color .15s,color .15s,background .15s}.theme-btn--active{border-color:var(--color-primary);color:var(--color-primary)}.stats-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-4) var(--space-5);margin-bottom:var(--space-4)}.stats-metrics{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--space-3);margin-bottom:var(--space-4)}.stats-metric{display:flex;flex-direction:column;align-items:center;gap:2px}.stats-metric__value{font-size:1.5rem;font-weight:700;color:var(--color-primary)}.stats-metric__label{font-size:.7rem;color:var(--color-text-tertiary);text-align:center}.stats-calendar__header{font-size:.85rem;font-weight:600;color:var(--color-text-secondary);text-align:center;margin-bottom:var(--space-2);text-transform:capitalize}.stats-calendar__grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}.stats-calendar__dow{font-size:.65rem;color:var(--color-text-tertiary);text-align:center;padding:2px 0}.stats-calendar__day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:.7rem;color:var(--color-text-secondary);border-radius:50%}.stats-calendar__day--empty{visibility:hidden}.stats-calendar__day--active{background:var(--color-primary);color:#fff;font-weight:600}.stats-calendar__day--today:not(.stats-calendar__day--active){border:1.5px solid var(--color-primary);color:var(--color-primary);font-weight:600}.language-selector{display:flex;gap:var(--space-2);overflow-x:auto;padding-bottom:var(--space-2);margin-bottom:var(--space-4);-webkit-overflow-scrolling:touch;scrollbar-width:none}.language-selector::-webkit-scrollbar{display:none}.language-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;font-size:.8rem;font-weight:500;white-space:nowrap;background:var(--color-card);border:1.5px solid var(--color-border);border-radius:20px;color:var(--color-text-secondary);cursor:pointer;transition:border-color .15s,color .15s,background .15s;flex-shrink:0}.language-btn--active{border-color:var(--color-primary);color:var(--color-primary);background:rgba(var(--color-primary-rgb, 99, 102, 241),.08)}.level-selector{display:flex;gap:var(--space-2)}.level-btn{flex:1;padding:var(--space-2) var(--space-3);font-size:.875rem;font-weight:600;background:var(--color-card);border:2px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:border-color .15s,color .15s,background .15s}.level-btn--active{border-color:var(--color-primary);color:var(--color-primary);background:rgba(var(--color-primary-rgb, 99, 102, 241),.08)}.daily-limit-info{font-size:.85rem;color:var(--color-text-secondary);text-align:center;padding:var(--space-3) var(--space-4);background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-top:var(--space-3)}.learning-modes{display:flex;flex-direction:column;gap:var(--space-3)}.learning-mode-card{display:flex;align-items:center;gap:var(--space-4);padding:var(--space-4) var(--space-5);background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);cursor:pointer;transition:background .15s,border-color .15s;text-align:left;width:100%}.learning-mode-card:active{background:var(--color-bg-hover)}.learning-mode-card__icon{font-size:28px;flex-shrink:0}.learning-mode-card__info{flex:1;display:flex;flex-direction:column;gap:2px}.learning-mode-card__title{font-size:1rem;font-weight:600;color:var(--color-text)}.learning-mode-card__desc{font-size:.8rem;color:var(--color-text-secondary)}.learning-mode-card__arrow{flex-shrink:0;color:var(--color-text-tertiary)}.flashcard-progress{display:flex;align-items:center;gap:var(--space-3);margin-bottom:var(--space-5)}.flashcard-progress__bar{flex:1;height:6px;background:var(--color-border);border-radius:3px;overflow:hidden}.flashcard-progress__fill{height:100%;background:var(--color-primary);border-radius:3px;transition:width .3s ease}.flashcard-progress__text{font-size:.8rem;color:var(--color-text-secondary);white-space:nowrap}.flashcard{perspective:800px;cursor:pointer;margin-bottom:var(--space-5)}.flashcard__inner{position:relative;width:100%;min-height:220px;transition:transform .5s;transform-style:preserve-3d}.flashcard--flipped .flashcard__inner{transform:rotateY(180deg)}.flashcard__front,.flashcard__back{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-3);padding:var(--space-6);background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);backface-visibility:hidden;-webkit-backface-visibility:hidden}.flashcard__back{transform:rotateY(180deg)}.flashcard__word{font-size:1.75rem;font-weight:700;color:var(--color-text);text-align:center}.flashcard__hint{font-size:.8rem;color:var(--color-text-tertiary)}.flashcard__original{font-size:.9rem;color:var(--color-text-secondary)}.flashcard-actions{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3)}.flashcard-result-bar{width:100%;height:8px;background:var(--color-border);border-radius:4px;overflow:hidden;margin-top:var(--space-3)}.flashcard-result-bar__fill{height:100%;background:var(--color-primary);border-radius:4px;transition:width .5s ease}.quiz-word-card{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-6);background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);margin-bottom:var(--space-5);min-height:140px}.quiz-word-card__word{font-size:1.75rem;font-weight:700;color:var(--color-text);text-align:center}.quiz-word-card__hint{font-size:.8rem;color:var(--color-text-tertiary)}.quiz-options{display:flex;flex-direction:column;gap:var(--space-3)}.quiz-option{width:100%;padding:var(--space-4) var(--space-5);font-size:1rem;font-weight:500;text-align:left;background:var(--color-card);border:2px solid var(--color-border);border-radius:var(--radius-lg);color:var(--color-text);cursor:pointer;transition:border-color .15s,background .15s}.quiz-option:active:not(:disabled){background:var(--color-bg-hover)}.quiz-option--correct{border-color:#34d399;background:#34d3991a;color:#34d399}.quiz-option--wrong{border-color:#f87171;background:#f871711a;color:#f87171}.quiz-option:disabled{cursor:default}.flashcard-bookmark{position:absolute;top:12px;right:12px;background:none;border:none;font-size:24px;cursor:pointer;color:var(--color-text-tertiary);transition:color .15s,transform .15s;z-index:2;padding:4px;line-height:1}.flashcard-bookmark:active{transform:scale(1.2)}.flashcard-bookmark--active{color:#f59e0b}.word-limit-selector{display:flex;gap:var(--space-2)}.word-limit-btn{flex:1;padding:var(--space-2) var(--space-3);font-size:.875rem;font-weight:600;background:var(--color-card);border:2px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:border-color .15s,color .15s,background .15s}.word-limit-btn--active{border-color:var(--color-primary);color:var(--color-primary);background:rgba(var(--color-primary-rgb, 99, 102, 241),.08)}.flashcard,.quiz-word-card{position:relative}