@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(./inter-cyrillic-ext-400-normal-BQZuk6qB.woff2) format("woff2"),url(./inter-cyrillic-ext-400-normal-DQukG94-.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(./inter-cyrillic-400-normal-obahsSVq.woff2) format("woff2"),url(./inter-cyrillic-400-normal-HOLc17fK.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(./inter-greek-ext-400-normal-DGGRlc-M.woff2) format("woff2"),url(./inter-greek-ext-400-normal-KugGGMne.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(./inter-greek-400-normal-B4URO6DV.woff2) format("woff2"),url(./inter-greek-400-normal-q2sYcFCs.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(./inter-vietnamese-400-normal-DMkecbls.woff2) format("woff2"),url(./inter-vietnamese-400-normal-Bbgyi5SW.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(./inter-latin-ext-400-normal-C1nco2VV.woff2) format("woff2"),url(./inter-latin-ext-400-normal-77YHD8bZ.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(./inter-latin-400-normal-C38fXH4l.woff2) format("woff2"),url(./inter-latin-400-normal-CyCys3Eg.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(./inter-cyrillic-ext-500-normal-B0yAr1jD.woff2) format("woff2"),url(./inter-cyrillic-ext-500-normal-BmqWE9Dz.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(./inter-cyrillic-500-normal-BasfLYem.woff2) format("woff2"),url(./inter-cyrillic-500-normal-CxZf_p3X.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(./inter-greek-ext-500-normal-C4iEst2y.woff2) format("woff2"),url(./inter-greek-ext-500-normal-2j5mBUwD.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(./inter-greek-500-normal-BIZE56-Y.woff2) format("woff2"),url(./inter-greek-500-normal-Xzm54t5V.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(./inter-vietnamese-500-normal-DOriooB6.woff2) format("woff2"),url(./inter-vietnamese-500-normal-mJboJaSs.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(./inter-latin-ext-500-normal-CV4jyFjo.woff2) format("woff2"),url(./inter-latin-ext-500-normal-BxGbmqWO.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(./inter-latin-500-normal-Cerq10X2.woff2) format("woff2"),url(./inter-latin-500-normal-BL9OpVg8.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(./inter-cyrillic-ext-600-normal-Dfes3d0z.woff2) format("woff2"),url(./inter-cyrillic-ext-600-normal-Bcila6Z-.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(./inter-cyrillic-600-normal-CWCymEST.woff2) format("woff2"),url(./inter-cyrillic-600-normal-4D_pXhcN.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(./inter-greek-ext-600-normal-DRtmH8MT.woff2) format("woff2"),url(./inter-greek-ext-600-normal-B8X0CLgF.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(./inter-greek-600-normal-plRanbMR.woff2) format("woff2"),url(./inter-greek-600-normal-BZpKdvQh.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(./inter-vietnamese-600-normal-Cc8MFFhd.woff2) format("woff2"),url(./inter-vietnamese-600-normal-BuLX-rYi.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(./inter-latin-ext-600-normal-D2bJ5OIk.woff2) format("woff2"),url(./inter-latin-ext-600-normal-CIVaiw4L.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:600;src:url(./inter-latin-600-normal-LgqL8muc.woff2) format("woff2"),url(./inter-latin-600-normal-CiBQ2DWP.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:600;src:url(./poppins-devanagari-600-normal-STEjXBNN.woff2) format("woff2"),url(./poppins-devanagari-600-normal-ClASKHrr.woff) format("woff");unicode-range:U+0900-097F,U+1CD0-1CF9,U+200C-200D,U+20A8,U+20B9,U+20F0,U+25CC,U+A830-A839,U+A8E0-A8FF,U+11B00-11B09}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:600;src:url(./poppins-latin-ext-600-normal-CAhIAdZj.woff2) format("woff2"),url(./poppins-latin-ext-600-normal-Df5ffKXP.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:600;src:url(./poppins-latin-600-normal-zEkxB9Mr.woff2) format("woff2"),url(./poppins-latin-600-normal-BJdTmd5m.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:700;src:url(./poppins-devanagari-700-normal-O-jipLrW.woff2) format("woff2"),url(./poppins-devanagari-700-normal-fHs-vx92.woff) format("woff");unicode-range:U+0900-097F,U+1CD0-1CF9,U+200C-200D,U+20A8,U+20B9,U+20F0,U+25CC,U+A830-A839,U+A8E0-A8FF,U+11B00-11B09}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:700;src:url(./poppins-latin-ext-700-normal-cby-RkWa.woff2) format("woff2"),url(./poppins-latin-ext-700-normal-DctTR6Tg.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:700;src:url(./poppins-latin-700-normal-Qrb0O0WB.woff2) format("woff2"),url(./poppins-latin-700-normal-BVuQR_eA.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--color-primary: #ff6b35;--color-primary-bright: #ff9f7c;--color-primary-deep: #bf5028;--color-primary-soft: #ffede7;--color-primary-text: var(--color-primary);--color-info-text: var(--color-info);--color-success: #12d18e;--color-success-soft: #f1fdf5;--color-success-text: #0a8265;--color-warning: #ffc107;--color-warning-soft: #fffceb;--color-danger: #f75555;--color-danger-soft: #fff7f8;--color-danger-text: #d83c3c;--color-info: #246bfd;--color-info-soft: #f6f9ff;--color-accent: #6949ff;--color-accent-soft: #f9f8ff;--color-text: #181a20;--color-text-secondary: #424242;--color-text-muted: #6e6e6e;--color-border: #e0e0e0;--color-border-light: #eeeeee;--color-bg: #fafafa;--color-surface: #ffffff;--color-surface-alt: #f5f5f5;--color-overlay: rgba(0, 0, 0, .45);--font-sans: "Inter", "Poppins", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--font-display: "Poppins", "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;--text-xs: 12px;--text-sm: 13px;--text-base: 15px;--text-md: 17px;--text-lg: 20px;--text-xl: 24px;--text-2xl: 30px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-pill: 999px;--shadow-card: 0 2px 8px rgba(24, 26, 32, .06);--shadow-raised: 0 6px 20px rgba(24, 26, 32, .12);--shell-max: 430px;--nav-height: 60px;color-scheme:light}[data-theme=dark]{--color-text: #f5f5f5;--color-text-secondary: #bdbdbd;--color-text-muted: #a9a9a9;--color-border: #35383f;--color-border-light: #1f222a;--color-bg: #181a20;--color-surface: #1f222a;--color-surface-alt: #35383f;--color-overlay: rgba(0, 0, 0, .65);--color-primary-soft: rgba(255, 107, 53, .16);--color-primary-text: var(--color-primary-bright);--color-success-soft: rgba(18, 209, 142, .14);--color-success-text: #4ade9f;--color-warning-soft: rgba(255, 193, 7, .14);--color-danger-soft: rgba(247, 85, 85, .14);--color-danger-text: #ff8a8a;--color-info-soft: rgba(36, 107, 253, .16);--color-info-text: #6699ff;--color-accent-soft: rgba(105, 73, 255, .18);--shadow-card: 0 2px 8px rgba(0, 0, 0, .3);--shadow-raised: 0 6px 20px rgba(0, 0, 0, .45);color-scheme:dark}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-sans);font-size:var(--text-base);color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;line-height:1.5}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}ul,ol{list-style:none}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}::placeholder{color:var(--color-text-muted)}.shell{max-width:var(--shell-max);margin:0 auto;min-height:100vh;background:var(--color-bg);position:relative}.shell--with-nav{padding-bottom:calc(var(--nav-height) + 12px)}.page{padding:var(--space-4) var(--space-4) var(--space-6)}.page--flush{padding:0 0 var(--space-6)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:min(var(--shell-max),100vw);height:var(--nav-height);background:var(--color-surface);border-top:1px solid var(--color-border-light);display:flex;align-items:stretch;z-index:30}.bottom-nav__item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:var(--text-xs);color:var(--color-text-muted);background:none;border:none;position:relative}.bottom-nav__item.is-active{color:var(--color-primary);font-weight:600}.bottom-nav__badge{position:absolute;top:8px;right:calc(50% - 16px)}.topbar{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) 0}.topbar__spacer{flex:1}.topbar-stat{display:inline-flex;align-items:center;gap:4px;background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-pill);padding:4px 10px;font-size:var(--text-sm);color:var(--color-text-secondary);flex-shrink:0}.topbar-stat strong{font-family:var(--font-display);font-weight:700}.field{display:flex;flex-direction:column;gap:var(--space-1);margin-bottom:var(--space-4)}.field__label{font-size:var(--text-sm);font-weight:600;color:var(--color-text-secondary)}.field__error{font-size:var(--text-xs);color:var(--color-danger)}.settings-group{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border-light);overflow:hidden;margin-bottom:var(--space-4)}.settings-group__title{font-size:var(--text-sm);color:var(--color-text-muted);padding:var(--space-4) var(--space-4) var(--space-2)}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-3)}.stat-grid--3{grid-template-columns:repeat(3,1fr)}.bars{display:flex;align-items:flex-end;gap:var(--space-2);height:96px}.bars__col{flex:1;display:flex;flex-direction:column;align-items:center;gap:var(--space-1);height:100%;justify-content:flex-end}.bars__bar{width:100%;border-radius:var(--radius-sm);background:var(--color-primary);min-height:4px;transition:height .3s ease}.bars__bar--muted{background:var(--color-border)}.bars__label{font-size:var(--text-xs);color:var(--color-text-muted)}.bars__value{font-size:var(--text-xs);color:var(--color-text-secondary);font-weight:600}.ring{position:relative;display:inline-flex;align-items:center;justify-content:center}.ring__label{position:absolute;text-align:center;font-weight:700}.chip-flow{display:flex;flex-wrap:wrap;gap:var(--space-2);justify-content:center}.progress-track{height:10px;border-radius:var(--radius-pill);background:var(--color-surface-alt);overflow:hidden}.progress-track__fill{height:100%;border-radius:var(--radius-pill);background:var(--color-primary);transition:width .3s ease}.practice-top{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) 0}.practice-top .progress-track{flex:1}.result-hero{text-align:center;padding:var(--space-6) var(--space-4)}.result-hero__icon{width:88px;height:88px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-bottom:var(--space-4)}.center-block{padding:var(--space-8) var(--space-4);text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);border:none;border-radius:var(--radius-pill);font-weight:600;transition:background .15s ease,transform .05s ease,opacity .15s ease;-webkit-user-select:none;user-select:none}.btn:disabled{cursor:not-allowed;opacity:.55}.btn--sm{height:32px;padding:0 var(--space-3);font-size:var(--text-sm)}.btn--md{height:42px;padding:0 var(--space-5);font-size:var(--text-base)}.btn--lg{height:52px;padding:0 var(--space-6);font-size:var(--text-md)}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--color-primary-bright)}.btn--primary:active:not(:disabled){background:var(--color-primary-deep)}.btn--secondary{background:var(--color-primary-soft);color:var(--color-primary-text)}.btn--secondary:hover:not(:disabled){background:var(--color-primary-soft);filter:brightness(.97)}.btn--secondary:active:not(:disabled){background:var(--color-primary);color:#fff}.btn--ghost{background:transparent;color:var(--color-text-secondary)}.btn--ghost:hover:not(:disabled){background:var(--color-surface-alt)}.btn--danger{background:var(--color-danger);color:#fff}.btn--danger:hover:not(:disabled){filter:brightness(1.08)}.btn--block{width:100%}.btn__spinner{width:16px;height:16px;border-radius:50%;border:2px solid currentColor;border-top-color:transparent;animation:spin .7s linear infinite}.icon-btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:var(--radius-pill);background:transparent;color:var(--color-text-secondary);transition:background .15s ease}.icon-btn--sm{width:32px;height:32px}.icon-btn--md{width:40px;height:40px}.icon-btn--filled{background:var(--color-surface-alt);color:var(--color-text)}.icon-btn--filled:hover{background:var(--color-border-light)}.icon-btn--plain:hover{background:var(--color-surface-alt)}.icon-btn:disabled{opacity:.5;cursor:not-allowed}.input,.textarea,.select{width:100%;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:0 var(--space-3);height:46px;transition:border-color .15s ease,box-shadow .15s ease;color:var(--color-text)}.textarea{height:auto;min-height:88px;padding:var(--space-3);resize:vertical;line-height:1.6}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}.input--error,.textarea--error{border-color:var(--color-danger)}.input--error:focus,.textarea--error:focus{box-shadow:0 0 0 3px var(--color-danger-soft)}.input:disabled,.textarea:disabled,.select:disabled{background:var(--color-surface-alt);cursor:not-allowed}.input--sm{height:38px}.input-wrap{position:relative;display:flex;align-items:center}.input-wrap .input{padding-left:40px}.input-wrap__prefix{position:absolute;left:var(--space-3);color:var(--color-text-muted);display:inline-flex}.select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--color-text-muted) 50%),linear-gradient(135deg,var(--color-text-muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:var(--space-6);cursor:pointer}.checkbox{display:inline-flex;align-items:center;gap:var(--space-2);cursor:pointer;-webkit-user-select:none;user-select:none}.checkbox__box{width:20px;height:20px;border:2px solid var(--color-border);border-radius:6px;display:inline-flex;align-items:center;justify-content:center;color:transparent;background:var(--color-surface);transition:all .15s ease;flex-shrink:0}.checkbox__input{position:absolute;opacity:0;width:1px;height:1px}.checkbox__input:checked+.checkbox__box,.checkbox__box--checked{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.checkbox__box--indeterminate{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.checkbox__input:disabled+.checkbox__box{opacity:.5;cursor:not-allowed}.switch{position:relative;width:48px;height:28px;border-radius:var(--radius-pill);border:none;background:var(--color-border);transition:background .2s ease;flex-shrink:0}.switch--on{background:var(--color-primary)}.switch__thumb{position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;background:#fff;transition:transform .2s ease;box-shadow:0 1px 3px #0003}.switch--on .switch__thumb{transform:translate(20px)}.switch:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border-light);padding:var(--space-4)}.card--flat{border:none;background:var(--color-surface);box-shadow:none}.card--raised{border:none;box-shadow:var(--shadow-card)}.card--interactive{cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.card--interactive:hover{border-color:var(--color-primary-bright);box-shadow:var(--shadow-raised);transform:translateY(-1px)}.card--interactive:active{transform:translateY(0)}.list-item{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--color-surface);border:none;width:100%;text-align:left;color:inherit;font-size:inherit}.list-item--button{cursor:pointer;transition:background .15s ease}.list-item--button:hover{background:var(--color-surface-alt)}.list-item--selected{background:var(--color-primary-soft)}.list-item__body{flex:1;min-width:0}.list-item__title{display:block;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-item__desc{display:block;font-size:var(--text-sm);color:var(--color-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list-item__meta{color:var(--color-text-muted);font-size:var(--text-sm);display:inline-flex;align-items:center;gap:var(--space-1);flex-shrink:0}.list-item--divided+.list-item--divided{border-top:1px solid var(--color-border-light)}.avatar{border-radius:50%;display:inline-flex;align-items:center;justify-content:center;overflow:hidden;background:var(--color-primary-soft);color:var(--color-primary-text);font-weight:700;flex-shrink:0}.avatar--sm{width:32px;height:32px;font-size:var(--text-xs)}.avatar--md{width:44px;height:44px;font-size:var(--text-sm)}.avatar--lg{width:72px;height:72px;font-size:var(--text-xl)}.avatar__img{width:100%;height:100%;object-fit:cover}.badge{display:inline-flex;align-items:center;justify-content:center;background:var(--color-danger);color:#fff;border-radius:var(--radius-pill);font-size:11px;font-weight:700;min-width:18px;height:18px;padding:0 5px}.badge--dot{min-width:8px;width:8px;height:8px;padding:0}.tabs{display:flex;gap:var(--space-2);overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}.tabs--underline{border-bottom:1px solid var(--color-border-light);gap:0}.tabs--pill .tabs__tab{border-radius:var(--radius-pill);background:transparent;color:var(--color-text-secondary)}.tabs--pill .tabs__tab.is-active{background:var(--color-primary);color:#fff}.tabs__tab{padding:var(--space-2) var(--space-4);background:none;border:none;font-size:var(--text-sm);font-weight:600;color:var(--color-text-muted);position:relative;transition:color .15s ease}.tabs--sm .tabs__tab{padding:var(--space-1) var(--space-3);font-size:var(--text-xs)}.tabs--underline .tabs__tab.is-active{color:var(--color-primary)}.tabs--underline .tabs__tab.is-active:after{content:"";position:absolute;left:var(--space-4);right:var(--space-4);bottom:-1px;height:3px;border-radius:var(--radius-pill);background:var(--color-primary)}.segmented{display:flex;background:var(--color-surface-alt);border-radius:var(--radius-md);padding:3px;gap:2px}.segmented__item{flex:1;border:none;background:transparent;border-radius:var(--radius-sm);padding:var(--space-2) 0;font-size:var(--text-sm);font-weight:600;color:var(--color-text-muted);transition:all .15s ease}.segmented__item.is-active{background:var(--color-surface);color:var(--color-text);box-shadow:var(--shadow-card)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--color-overlay);display:flex;align-items:center;justify-content:center;z-index:50;padding:var(--space-6)}.modal{background:var(--color-surface);border-radius:var(--radius-xl);width:100%;animation:modal-in .2s ease;max-height:80vh;overflow:auto}.modal--sm{max-width:320px}.modal--md{max-width:380px}.modal--lg{max-width:440px}.modal--closing{animation:modal-out .15s ease forwards}.modal__header{padding:var(--space-5) var(--space-5) 0;display:flex;align-items:center}.modal__title{font-size:var(--text-lg);font-weight:700;flex:1}.modal__body{padding:var(--space-3) var(--space-5);color:var(--color-text-secondary)}.modal__footer{padding:var(--space-4) var(--space-5) var(--space-5);display:flex;gap:var(--space-3);justify-content:flex-end}.drawer-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--color-overlay);z-index:50}.drawer-layer{position:fixed;background:var(--color-surface);z-index:51;display:flex;flex-direction:column}.drawer-layer--bottom{left:50%;bottom:0;width:100%;max-width:var(--shell-max);transform:translate(-50%);border-radius:var(--radius-xl) var(--radius-xl) 0 0;max-height:88vh;animation:drawer-up .25s ease}.drawer-layer--left{left:0;top:0;height:100%;width:min(320px,84vw);animation:drawer-left .25s ease}.drawer-layer--right{right:0;top:0;height:100%;width:min(320px,84vw);animation:drawer-right .25s ease}.drawer-layer--closing.drawer-layer--bottom{animation:drawer-down .2s ease forwards}.drawer-layer--closing.drawer-layer--left{animation:drawer-leave-left .2s ease forwards}.drawer-layer--closing.drawer-layer--right{animation:drawer-leave-right .2s ease forwards}.drawer__grip{width:40px;height:4px;border-radius:var(--radius-pill);background:var(--color-border);margin:var(--space-3) auto 0;flex-shrink:0}.drawer__header{padding:var(--space-3) var(--space-5);display:flex;align-items:center;border-bottom:1px solid var(--color-border-light)}.drawer__title{font-size:var(--text-md);font-weight:700;flex:1}.drawer__body{padding:var(--space-4) var(--space-5) calc(var(--space-6) + env(safe-area-inset-bottom,0px));overflow-y:auto;flex:1}.toast-viewport{position:fixed;top:var(--space-5);left:50%;transform:translate(-50%);width:min(calc(var(--shell-max) - 32px),calc(100vw - 32px));z-index:70;display:flex;flex-direction:column;gap:var(--space-2);pointer-events:none}.toast{display:flex;align-items:center;gap:var(--space-2);background:var(--color-text);color:var(--color-bg);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);font-size:var(--text-sm);box-shadow:var(--shadow-raised);animation:toast-in .25s ease;pointer-events:auto}[data-theme=dark] .toast{background:var(--color-border);color:var(--color-text)}.toast--success{border-left:4px solid var(--color-success)}.toast--warning{border-left:4px solid var(--color-warning)}.toast--error{border-left:4px solid var(--color-danger)}.toast--info{border-left:4px solid var(--color-info)}.toast--hiding{animation:toast-out .2s ease forwards}.empty{text-align:center;padding:var(--space-8) var(--space-6);display:flex;flex-direction:column;align-items:center;gap:var(--space-2)}.empty__icon{width:72px;height:72px;border-radius:50%;background:var(--color-primary-soft);color:var(--color-primary-text);display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-2)}.empty__title{font-size:var(--text-md);font-weight:700}.empty__desc{font-size:var(--text-sm);color:var(--color-text-muted);max-width:260px}.empty__action{margin-top:var(--space-3)}.skeleton{background:linear-gradient(90deg,var(--color-surface-alt) 25%,var(--color-border-light) 50%,var(--color-surface-alt) 75%);background-size:200% 100%;animation:shimmer 1.4s ease infinite;border-radius:var(--radius-sm)}.skeleton--text{height:14px;margin-bottom:var(--space-2)}.skeleton--text.w60{width:60%}.skeleton--text.w80{width:80%}.skeleton--card{height:120px;border-radius:var(--radius-lg);margin-bottom:var(--space-3)}.skeleton--list{height:64px;border-radius:var(--radius-md);margin-bottom:var(--space-2)}.page-header{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-3) 0}.page-header__title{font-size:var(--text-lg);font-weight:700;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.page-header__actions{display:flex;align-items:center;gap:var(--space-1)}.stat-tile{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);padding:var(--space-3) var(--space-4);display:flex;flex-direction:column;gap:2px}.stat-tile__value{font-size:var(--text-xl);font-weight:700;font-family:var(--font-display)}.stat-tile__label{font-size:var(--text-xs);color:var(--color-text-muted);display:inline-flex;align-items:center;gap:4px}.cover{border-radius:var(--radius-lg);display:flex;align-items:flex-end;padding:var(--space-4);color:#fff;position:relative;overflow:hidden;min-height:120px}.cover--info{background:linear-gradient(135deg,#246bfd,#6949ff)}.cover--accent{background:linear-gradient(135deg,#6949ff,#9c27b0)}.cover--success{background:linear-gradient(135deg,#12d18e,#019b83)}.cover--warning{background:linear-gradient(135deg,#ffc107,#ff6b35)}.cover__flag{font-size:44px;position:absolute;right:var(--space-4);top:50%;transform:translateY(-50%);filter:drop-shadow(0 4px 8px rgba(0,0,0,.15))}.cover__title{font-size:var(--text-md);font-weight:700;max-width:70%}.cover__meta{font-size:var(--text-xs);opacity:.9}.lesson-row__lock{color:var(--color-text-muted)}.lesson-row--done .list-item__title{color:var(--color-text-muted);text-decoration:line-through}.word-chip{border:2px solid var(--color-primary);background:var(--color-surface);color:var(--color-primary-text);border-radius:var(--radius-pill);padding:var(--space-2) var(--space-4);font-size:var(--text-base);font-weight:600;transition:all .12s ease}.word-chip:hover:not(:disabled){background:var(--color-primary-soft)}.word-chip--active{background:var(--color-primary-soft);border-color:var(--color-primary-deep);color:var(--color-primary-text)}.word-chip:disabled{opacity:.4;cursor:not-allowed}.ring svg{transform:rotate(-90deg)}.ring circle{fill:none;stroke-width:8}.ring__track{stroke:var(--color-surface-alt)}.ring__fill{stroke:var(--color-primary);stroke-linecap:round;transition:stroke-dashoffset .4s ease}.lesson-path{position:relative;display:flex;flex-direction:column;gap:var(--space-5);padding:var(--space-4) var(--space-2) var(--space-2)}.lesson-path:before{content:"";position:absolute;left:50%;top:var(--space-4);bottom:var(--space-4);width:3px;transform:translate(-50%);border-radius:var(--radius-pill);background:var(--color-border-light)}.lesson-path__node{position:relative;z-index:1;display:flex;align-items:center;gap:var(--space-3);width:72%}.lesson-path__node--left{align-self:flex-start;flex-direction:row}.lesson-path__node--right{align-self:flex-end;flex-direction:row-reverse}.lesson-path__btn{width:56px;height:56px;border-radius:50%;border:none;flex-shrink:0;background:var(--color-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 0 var(--color-primary-deep);transition:transform .12s ease}.lesson-path__btn:hover:not(:disabled){transform:translateY(-2px)}.lesson-path__btn:disabled{background:var(--color-border);color:var(--color-text-muted);box-shadow:0 4px 0 var(--color-border-light);cursor:not-allowed}.lesson-path__btn--done{background:var(--color-success);box-shadow:0 4px 0 var(--color-success);filter:brightness(.92)}.lesson-path__btn--next{animation:pulse-next 1.6s ease-in-out infinite}@keyframes pulse-next{0%,to{transform:scale(1)}50%{transform:scale(1.07)}}.lesson-path__info{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-md);padding:var(--space-2) var(--space-3);text-align:left;min-width:0;cursor:pointer}.lesson-path__info:disabled{cursor:not-allowed;color:var(--color-text-muted)}.lesson-path__info .list-item__title{font-size:var(--text-sm)}.lesson-path__info .list-item__desc{font-size:var(--text-xs);white-space:normal}.lesson-path__flag{display:inline-block;margin-top:2px;font-size:11px;font-weight:700;color:var(--color-primary-text);background:var(--color-primary-soft);border-radius:var(--radius-pill);padding:1px 8px}.goal-tiers{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-4)}.goal-tier{display:flex;align-items:center;justify-content:space-between;background:var(--color-surface);border:2px solid var(--color-border-light);border-radius:var(--radius-md);padding:var(--space-3) var(--space-4);font-size:var(--text-base);transition:border-color .15s ease,background .15s ease}.goal-tier:hover:not(.goal-tier--active){border-color:var(--color-border)}.goal-tier--active{border-color:var(--color-primary);background:var(--color-primary-soft)}.goal-tier__xp{font-weight:700}.goal-tier__tag{font-size:var(--text-sm);color:var(--color-text-muted)}.goal-tier--active .goal-tier__tag{color:var(--color-primary-text);font-weight:600}.notif-row--unread{background:var(--color-primary-soft)}.notif-row--unread .list-item__title:after{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--color-primary);margin-left:var(--space-2);vertical-align:middle}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes modal-in{0%{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes modal-out{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(8px) scale(.97)}}@keyframes drawer-up{0%{transform:translate(-50%,100%)}to{transform:translate(-50%)}}@keyframes drawer-down{0%{transform:translate(-50%)}to{transform:translate(-50%,100%)}}@keyframes drawer-left{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes drawer-leave-left{0%{transform:translate(0)}to{transform:translate(-100%)}}@keyframes drawer-right{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes drawer-leave-right{0%{transform:translate(0)}to{transform:translate(100%)}}@keyframes toast-in{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}@keyframes toast-out{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-12px)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}:root{--color-page-bg: #e9e4df}[data-theme=dark]{--color-page-bg: #0f1116}html,body,#root{height:auto;min-height:100%}#root{align-items:flex-start}.shell,.app-shell{min-height:100vh;min-height:100dvh}body{background:var(--color-page-bg, #e9e4df)}a{color:inherit;text-decoration:none}a:visited{color:inherit}