._container_1umrb_1{padding:var(--spacing-3) var(--spacing-4);border-radius:var(--radius-md);border:1px solid var(--accent-red);background-color:var(--accent-red-dim);margin-bottom:var(--spacing-4)}._text_1umrb_9{font-size:var(--text-sm);color:var(--accent-red)}._button_17bn4_1{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;padding:var(--spacing-1);border-radius:var(--radius-sm);border:none;background:transparent;cursor:pointer;font:inherit;line-height:inherit;transition:opacity var(--transition-fast)}._button_17bn4_1:active{opacity:.7}._avatar_1mk43_1{display:inline-flex;align-items:center;justify-content:center;background:var(--gradient-logo);border:1px solid var(--border-glow);overflow:hidden;flex-shrink:0;padding:0;cursor:default;font:inherit;line-height:inherit;transition:opacity var(--transition-fast)}._clickable_1mk43_16{cursor:pointer}._clickable_1mk43_16:active{opacity:.8}._md_1mk43_24{width:36px;height:36px;border-radius:var(--radius-full)}._sm_1mk43_30{width:34px;height:34px;border-radius:var(--radius-md)}._image_1mk43_36{width:100%;height:100%;object-fit:cover}._initials_1mk43_42{color:var(--text-on-accent);font-weight:var(--font-bold)}._textMd_1mk43_47{font-size:var(--text-sm)}._textSm_1mk43_51{font-size:var(--text-xs)}._badge_yffvt_1{display:inline-flex;flex-direction:row;align-items:center;padding:var(--spacing-0-5) var(--spacing-2-5);border-radius:var(--radius-full)}._text_yffvt_9{font-size:var(--text-xs);font-weight:var(--font-semibold);text-transform:uppercase;letter-spacing:var(--tracking-wide)}._iconButton_qwmus_1{display:inline-flex;align-items:center;justify-content:center;background-color:transparent;padding:var(--spacing-1);border-radius:var(--radius-full);border:none;cursor:pointer;flex-shrink:0;font:inherit;line-height:inherit;transition:opacity var(--transition-fast)}._iconButton_qwmus_1:active{opacity:.7}._iconButton_qwmus_1:disabled{opacity:.4;cursor:not-allowed}._btn_p38q8_1{display:inline-flex;flex-direction:row;align-items:center;gap:var(--spacing-1-5);padding:var(--spacing-2-5) var(--spacing-5);border-radius:var(--radius-md);border:none;cursor:pointer;background:none;font:inherit;line-height:inherit;transition:opacity var(--transition-fast)}._btn_p38q8_1:active{opacity:.75}._btn_p38q8_1:disabled{opacity:.4;cursor:not-allowed}._primary_p38q8_26{background:var(--gradient-primary);box-shadow:var(--shadow-glow-blue)}._outline_p38q8_32{background-color:transparent;border:1px solid var(--border-light)}._pass_p38q8_38{background-color:var(--accent-green-dim);border:1px solid var(--border-green);padding:var(--spacing-3-5) var(--spacing-9)}._fail_p38q8_45{background-color:var(--accent-red-dim);border:1px solid var(--border-red);padding:var(--spacing-3-5) var(--spacing-9)}._icon_p38q8_52{background-color:transparent;padding:var(--spacing-1);border-radius:var(--radius-full)}._sm_p38q8_59{padding:var(--spacing-2) var(--spacing-3-5)}._text_p38q8_64{font-weight:var(--font-semibold);font-size:var(--text-sm);color:var(--text-secondary)}._textPrimary_p38q8_70{color:var(--text-on-accent)}._textOutline_p38q8_74{color:var(--text-secondary)}._textPass_p38q8_78{color:var(--accent-green);font-size:var(--text-sm)}._textFail_p38q8_83{color:var(--accent-red);font-size:var(--text-sm)}._textIcon_p38q8_88{color:var(--text-secondary)}._textSm_p38q8_92{font-size:var(--text-xs)}._card_1yi14_1{background-color:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:var(--spacing-5)}._header_1yi14_8{display:flex;flex-direction:row;align-items:center;justify-content:space-between;margin-bottom:var(--spacing-5)}._title_1yi14_16{font-size:var(--text-base);font-weight:var(--font-semibold);color:var(--text-primary)}._dots_5efep_1{display:flex;flex-direction:row;justify-content:center;align-items:center;gap:6px}._dot_5efep_1{width:5px;height:5px;border-radius:var(--radius-full);background-color:var(--text-muted);opacity:.4;flex-shrink:0}._fraction_5efep_18{font-size:var(--text-sm);font-weight:var(--font-semibold);color:var(--text-primary)}._fractionSeparator_5efep_24{color:var(--text-muted);font-weight:var(--font-normal)}._fixed_h5f04_1{position:fixed;inset:0;z-index:9999}._overlay_h5f04_10{display:flex;flex:1;height:100%;background-color:var(--overlay-dim);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);align-items:center;justify-content:flex-end;flex-direction:column;animation:_dialogOverlayFadeIn_h5f04_1 .2s ease-out}._backdrop_h5f04_22{position:absolute;inset:0;border:none;background:transparent;cursor:pointer;font:inherit}._content_h5f04_34{width:100%;background-color:var(--bg-card);border:1px solid var(--border);border-top-left-radius:var(--radius-xl);border-top-right-radius:var(--radius-xl);border-bottom-left-radius:0;border-bottom-right-radius:0;padding:var(--spacing-6);padding-top:var(--spacing-5);max-height:85%;overflow:hidden;position:relative;animation:_dialogContentSlideUp_h5f04_1 .2s ease-out}._dragHandle_h5f04_50{width:36px;height:4px;border-radius:2px;background-color:var(--text-muted);opacity:.3;margin:0 auto var(--spacing-2);flex-shrink:0}._btnClose_h5f04_60{position:absolute;top:var(--spacing-4);right:var(--spacing-4);padding:var(--spacing-1);border-radius:var(--radius-full);border:none;background:transparent;cursor:pointer;font:inherit;line-height:inherit;display:inline-flex;align-items:center;justify-content:center;transition:opacity var(--transition-fast)}._btnClose_h5f04_60:active{opacity:.75}._container_1echo_1{padding:var(--spacing-8) var(--spacing-4);display:flex;align-items:center}._message_1echo_7{color:var(--text-muted);font-size:var(--text-sm);text-align:center}._chip_14tas_1{padding:var(--spacing-1) var(--spacing-2-5);border-radius:var(--radius-xl);border:1px solid var(--border);background-color:transparent;cursor:pointer;font:inherit;line-height:inherit;transition:opacity var(--transition-fast)}._chip_14tas_1:active{opacity:.75}._active_14tas_16{background-color:var(--accent-blue-dim);border-color:var(--accent-blue)}._label_14tas_21{font-size:var(--text-xs);color:var(--text-secondary)}._labelActive_14tas_26{color:var(--accent-blue)}._page_1n6zb_1{display:flex;flex-direction:column;gap:var(--spacing-6)}._fullscreen_1n6zb_7{padding-top:var(--spacing-4);padding-bottom:var(--spacing-4);gap:var(--spacing-6)}._chat_1n6zb_13{flex:1;min-height:0;gap:0}._header_1royk_1{display:flex;flex-direction:row;align-items:flex-start;justify-content:space-between}._title_1royk_8{font-size:var(--text-2xl);font-weight:var(--font-bold);letter-spacing:var(--tracking-normal);color:var(--text-primary)}._subtitle_1royk_15{color:var(--text-secondary);font-size:var(--text-sm);margin-top:var(--spacing-1)}._actions_1royk_21{display:flex;flex-direction:row;align-items:center}._dots_ddend_1{display:flex;flex-direction:row;gap:var(--spacing-1);align-items:center}._dotsSm_ddend_8{gap:3px}._dot_ddend_1{width:10px;height:10px;border-radius:var(--radius-full)}._dotSm_ddend_18{width:6px;height:6px;border-width:1.5px}._empty_ddend_24{border:2px solid var(--text-muted);background-color:transparent}._filled_ddend_29{background-color:var(--accent-blue);border:2px solid var(--accent-blue)}._container_7qkru_1{display:flex;flex-direction:row;align-items:center;gap:var(--spacing-3);flex:1;width:100%}._dotsScroll_7qkru_10{flex:1;overflow-x:auto}._dotsContent_7qkru_15{display:flex;flex-direction:row;align-items:center;justify-content:center;gap:var(--spacing-1-5);flex:1}._dot_7qkru_10{width:5px;height:5px;border-radius:2.5px;background-color:var(--text-muted);opacity:.4;flex-shrink:0}._activeDot_7qkru_33{width:12px;border-radius:4px;opacity:1;background-color:var(--accent-blue);box-shadow:0 0 6px var(--accent-blue-dim-heavy)}._completedDot_7qkru_41{opacity:1;background-color:var(--accent-blue)}._counter_7qkru_46{font-size:var(--text-xs);font-weight:var(--font-semibold);color:var(--text-muted)}._section_1qceu_1{display:flex;flex-direction:column}._dot_1ist0_1{width:var(--spacing-2);height:var(--spacing-2);border-radius:var(--radius-full);flex-shrink:0}._sm_1ist0_8{width:var(--spacing-1-5);height:var(--spacing-1-5)}._legend_1tqyt_1{display:flex;flex-direction:row;gap:var(--spacing-5);flex-wrap:wrap}._item_1tqyt_8{display:flex;flex-direction:row;align-items:center;gap:var(--spacing-1-5)}._dot_1tqyt_15{width:8px;height:8px;border-radius:var(--radius-full)}._label_1tqyt_21{font-size:var(--text-xs);color:var(--text-muted)}:root{--bg-primary: #0f1117;--bg-base: var(--bg-primary);--bg-secondary: #161822;--bg-card: #1c1f2e;--bg-card-hover: #232640;--bg-surface: #252842;--surface-2: var(--bg-card);--surface-3: var(--bg-surface);--bg-glass: rgba(13, 15, 23, .6);--bg-glass-heavy: rgba(18, 20, 32, .95);--nav-glass-glow: rgba(79, 140, 255, .1);--bg-match-bar: rgba(255, 255, 255, .05);--border: #2a2d45;--border-light: #353860;--border-glass: rgba(255, 255, 255, .08);--border-glass-light: rgba(255, 255, 255, .05);--border-glow: rgba(255, 255, 255, .1);--text-primary: #f0f0f5;--text-secondary: #9396b0;--text-muted: #8b8ea8;--text-tertiary: var(--text-muted);--text-on-accent: #ffffff;--accent-blue: #4f8cff;--accent-blue-dim: rgba(79, 140, 255, .15);--accent-blue-dim-heavy: rgba(79, 140, 255, .4);--accent-blue-featured: #232640;--accent-green: #34d399;--accent-green-dim: rgba(52, 211, 153, .15);--accent-amber: #f59e0b;--accent-amber-dim: rgba(245, 158, 11, .15);--accent-purple: #a78bfa;--accent-purple-dim: rgba(167, 139, 250, .15);--accent-purple-dim-light: rgba(167, 139, 250, .06);--accent-red: #f87171;--accent-red-dim: rgba(248, 113, 113, .15);--accent-pink: #f472b6;--accent-pink-dim: rgba(244, 114, 182, .15);--accent-indigo: #6366f1;--accent-green-deep: #10b981;--accent-purple-deep: #8b5cf6;--accent-amber-deep: #d97706;--bg-login-start: #161822;--bg-login-mid: #1a1d35;--bg-login-end: #1c2040;--bg-card-back-start: #1a2040;--bg-card-back-end: #252850;--gradient-logo: linear-gradient( 135deg, var(--accent-blue), var(--accent-purple) );--gradient-primary: linear-gradient( 135deg, var(--accent-blue), var(--accent-indigo) );--gradient-featured: linear-gradient( 165deg, var(--accent-blue-featured) 0%, var(--bg-secondary) 100% );--gradient-card-front: linear-gradient( 145deg, var(--bg-card) 0%, var(--bg-surface) 100% );--gradient-card-back: linear-gradient( 145deg, var(--bg-card-back-start) 0%, var(--bg-card-back-end) 100% );--gradient-tutor: linear-gradient( 135deg, var(--accent-purple), var(--accent-pink) );--gradient-kb-green: linear-gradient( 90deg, var(--accent-green), var(--accent-green-deep) );--gradient-kb-purple: linear-gradient( 90deg, var(--accent-purple), var(--accent-purple-deep) );--gradient-kb-amber: linear-gradient( 90deg, var(--accent-amber), var(--accent-amber-deep) );--color-cefr-a1: #22c55e;--color-cefr-a2: #14b8a6;--color-cefr-b1: #3b82f6;--color-cefr-b2: #8b5cf6;--color-cefr-c1: #f97316;--color-cefr-c2: #ef4444;--word-new: var(--accent-blue);--word-new-bg: rgba(79, 140, 255, .18);--word-learning: var(--accent-amber);--word-learning-bg: rgba(245, 158, 11, .18);--word-known: var(--accent-green);--word-known-bg: rgba(52, 211, 153, .12);--word-mastered: transparent;--text-2xs: .625rem;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.75rem;--text-4xl: 2rem;--text-5xl: 2.25rem;--text-6xl: 3rem;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--font-extrabold: 800;--tracking-normal: -.02em;--tracking-tight: -.03em;--tracking-tighter: -.04em;--tracking-caps: .05em;--tracking-wide: .5px;--tracking-wider: 1px;--leading-tight: 1.3;--leading-snug: 1.4;--leading-normal: 1.5;--leading-relaxed: 1.6;--spacing-0-5: 2px;--spacing-1: 4px;--spacing-1-5: 6px;--spacing-2: 8px;--spacing-2-5: 10px;--spacing-3: 12px;--spacing-3-5: 14px;--spacing-4: 16px;--spacing-4-5: 18px;--spacing-5: 20px;--spacing-6: 24px;--spacing-7: 28px;--spacing-8: 32px;--spacing-9: 36px;--spacing-10: 40px;--spacing-11: 44px;--spacing-12: 48px;--radius-xs: 3px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px;--radius-2xl: 24px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 4px 20px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .4);--shadow-xl: 0 10px 40px rgba(0, 0, 0, .6);--shadow-featured: 0 20px 40px rgba(0, 0, 0, .4);--shadow-phone: 0 20px 80px rgba(0, 0, 0, .8);--shadow-glow-blue: 0 2px 12px rgba(79, 140, 255, .3);--shadow-glow-amber: 0 4px 16px rgba(245, 158, 11, .3);--width-dialog: 440px;--width-card: 280px;--width-card-sm: 260px;--width-card-mobile: 180px;--width-chat-max: 720px;--width-login-panel: 480px;--page-gap: var(--spacing-5);--nav-clearance: 80px;--nav-glass-gradient-height: 120px;--sidebar-width: 240px;--word-detail-width: 360px;--max-content-width: 1200px;--phone-width: 390px;--phone-height: 844px;--phone-border: 8px;--notch-width: 120px;--notch-height: 28px;--z-sidebar: 100;--z-mobile-nav: 1000;--z-mobile-header: 1001;--z-notch: 1002;--z-dialog: 2000;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-smooth: .4s cubic-bezier(.16, 1, .3, 1);--icon-sm: 18px;--icon-md: 22px;--icon-lg: 34px;--blur-normal: blur(20px);--blur-light: blur(4px);--phone-frame-color: #1a1c2e;--phone-frame-radius: 40px;--overlay-dim: rgba(0, 0, 0, .6);--overlay-subtle: rgba(255, 255, 255, .05);--overlay-faint: rgba(255, 255, 255, .03);--spotlight-color: rgba(255, 253, 245, .15);--spotlight-color-strong: rgba(255, 253, 245, .6);--border-green: rgba(52, 211, 153, .3);--border-amber: rgba(245, 158, 11, .3);--border-red: rgba(248, 113, 113, .3);--border-blue-hover: rgba(79, 140, 255, .2);--accent-green-hover: rgba(52, 211, 153, .25);--accent-red-hover: rgba(248, 113, 113, .25);--shadow-glow-blue-strong: 0 4px 20px rgba(79, 140, 255, .45);--shadow-glow-green: 0 4px 20px rgba(52, 211, 153, .2);--shadow-glow-red: 0 4px 20px rgba(248, 113, 113, .2)}[data-theme=light]{--bg-primary: #f2f0eb;--bg-base: var(--bg-primary);--bg-secondary: #eeedea;--bg-card: #ffffff;--bg-card-hover: #f7f6f3;--bg-surface: #e8e6e1;--bg-glass: rgba(246, 244, 239, .52);--bg-glass-heavy: rgba(243, 242, 239, .72);--nav-glass-glow: rgba(59, 114, 208, .15);--bg-match-bar: rgba(0, 0, 0, .04);--border: rgba(0, 0, 0, .13);--border-light: rgba(0, 0, 0, .08);--border-glass: rgba(0, 0, 0, .15);--border-glass-light: rgba(0, 0, 0, .1);--border-glow: rgba(0, 0, 0, .1);--text-primary: #1c1917;--text-secondary: #57534e;--text-muted: #6b6560;--text-on-accent: #ffffff;--accent-blue: #3b72d0;--accent-blue-dim: rgba(59, 114, 208, .1);--accent-blue-dim-heavy: rgba(59, 114, 208, .22);--accent-blue-featured: #e4ecff;--accent-green: #1a8a60;--accent-green-dim: rgba(26, 138, 96, .1);--accent-amber: #c2710a;--accent-amber-dim: rgba(194, 113, 10, .14);--accent-purple: #7048c6;--accent-purple-dim: rgba(112, 72, 198, .1);--accent-purple-dim-light: rgba(112, 72, 198, .05);--accent-red: #c93a3a;--accent-red-dim: rgba(201, 58, 58, .1);--accent-pink: #c74b82;--accent-pink-dim: rgba(199, 75, 130, .1);--accent-indigo: #4f46b8;--accent-green-deep: #1d7d52;--accent-purple-deep: #6344a8;--accent-amber-deep: #a05c08;--bg-login-start: #f3f2ef;--bg-login-mid: #ebe8e2;--bg-login-end: #e5e2db;--bg-card-back-start: #ffffff;--bg-card-back-end: #f5f3ee;--word-new-bg: rgba(59, 114, 208, .1);--word-learning-bg: rgba(168, 96, 15, .1);--word-known-bg: rgba(26, 138, 96, .07);--shadow-sm: 0 1px 2px rgba(28, 25, 23, .07), 0 2px 6px rgba(28, 25, 23, .1);--shadow-md: 0 2px 4px rgba(28, 25, 23, .06), 0 6px 16px rgba(28, 25, 23, .1);--shadow-lg: 0 4px 6px rgba(28, 25, 23, .05), 0 12px 28px rgba(28, 25, 23, .12);--shadow-xl: 0 8px 10px rgba(28, 25, 23, .06), 0 24px 48px rgba(28, 25, 23, .14);--shadow-featured: 0 8px 16px rgba(28, 25, 23, .08), 0 24px 48px rgba(28, 25, 23, .12);--shadow-phone: 0 20px 60px rgba(28, 25, 23, .14);--shadow-glow-blue: 0 2px 12px rgba(59, 114, 208, .18);--shadow-glow-amber: 0 4px 16px rgba(194, 113, 10, .18);--phone-frame-color: #d8d5cf;--overlay-dim: rgba(0, 0, 0, .35);--overlay-subtle: rgba(0, 0, 0, .03);--overlay-faint: rgba(0, 0, 0, .015);--spotlight-color: rgba(250, 180, 20, .25);--spotlight-color-strong: rgba(250, 180, 20, .55);--border-green: rgba(26, 138, 96, .25);--border-amber: rgba(194, 113, 10, .25);--border-red: rgba(201, 58, 58, .25);--border-blue-hover: rgba(59, 114, 208, .12);--accent-green-hover: rgba(26, 138, 96, .12);--accent-red-hover: rgba(201, 58, 58, .12);--gradient-logo: linear-gradient( 135deg, #2554a0, #5b32b0 );--shadow-glow-blue-strong: 0 4px 20px rgba(59, 114, 208, .18);--shadow-glow-green: 0 4px 20px rgba(26, 138, 96, .12);--shadow-glow-red: 0 4px 20px rgba(201, 58, 58, .12)}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color-scheme:dark}html[data-theme=light]{color-scheme:light}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;min-height:100dvh;overflow-x:hidden;font-size:var(--text-base)}:global(.mobile-ui) body{height:100vh;height:100dvh;overflow:hidden!important;overscroll-behavior:none}a{color:inherit;text-decoration:none}button{border:none;background:none;font-family:inherit;font-size:inherit;color:inherit;text-align:inherit;cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-light)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.skip-link{position:absolute;top:-100%;left:var(--spacing-4);z-index:9999;padding:var(--spacing-2) var(--spacing-4);background:var(--accent-blue);color:var(--text-on-accent);border-radius:var(--radius-md);font-size:var(--text-sm);font-weight:var(--font-semibold);text-decoration:none}.skip-link:focus{top:var(--spacing-2)}.app-shell{display:flex;min-height:100vh;transition:margin var(--transition-smooth),padding 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