@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-ext-wght-normal-BOeWTOD4.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-cyrillic-wght-normal-DqGufNeO.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-ext-wght-normal-DlzME5K_.woff2) format("woff2-variations");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-greek-wght-normal-CkhJZR-_.woff2) format("woff2-variations");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-vietnamese-wght-normal-CBcvBZtf.woff2) format("woff2-variations");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 Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-ext-wght-normal-DO1Apj_S.woff2) format("woff2-variations");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 Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/inter-latin-wght-normal-Dx4kXJAl.woff2) format("woff2-variations");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,[data-ds-theme=dark]{color-scheme:dark;--ds-canvas: #0b1118;--ds-shell: #131c23;--ds-surface: #111a22;--ds-surface-hover: #16232c;--ds-surface-pressed: #1d2b34;--ds-text: #d9e2e5;--ds-text-secondary: #a5b5bb;--ds-text-muted: #788b93;--ds-border: #2a3840;--ds-list-divider: color-mix(in srgb, var(--ds-border) 16%, transparent);--ds-control-border: #607681;--ds-control-surface: #17212a;--ds-accent: #7ec9bd;--ds-accent-hover: #92d4ca;--ds-accent-pressed: #66b7aa;--ds-surface-proof-current: rgb(38 116 107 / 40%);--ds-on-accent: #0b1118;--ds-action-accent: var(--ds-accent);--ds-action-accent-hover: var(--ds-accent-hover);--ds-action-accent-pressed: var(--ds-accent-pressed);--ds-on-action-accent: var(--ds-on-accent);--ds-accent-fill: var(--ds-accent);--ds-selection: var(--ds-text);--ds-on-selection: #0b1118;--ds-focus: var(--ds-accent);--ds-success: var(--ds-accent);--ds-warning: #e5bc72;--ds-danger: #efaaaa;--ds-on-danger: #0b1118;--ds-info: #a7bedd;--ds-account-teacher: var(--ds-info);--ds-disabled-surface: #19242c;--ds-disabled-text: #7f9199;--ds-disabled-border: #2d3b43;--ds-xp-accent: var(--ds-info);--ds-xp-fill: #a2acbd;--ds-xp-track: #24304b;--ds-xp-secondary: #718bae;--ds-xp-muted: #506584;--ds-xp-soft: color-mix(in srgb, var(--ds-xp-accent) 10%, transparent);--ds-collectible-surface: #c4d4d9;--ds-collectible-highlight: #d2e0e2;--ds-collectible-tint: color-mix(in srgb, var(--ds-xp-accent) 32%, transparent);--ds-analytics-strong: #70d2c4;--ds-analytics-accent: var(--ds-analytics-strong);--ds-analytics-stable: #52978f;--ds-analytics-fragile: #3f6d6c;--ds-analytics-weak: #305056;--ds-analytics-unknown: #263b42;--ds-analytics-track: #1b2931;--ds-avatar-tone-1-bg: #1d3a36;--ds-avatar-tone-1-fg: #8fd6c9;--ds-avatar-tone-2-bg: #1e3145;--ds-avatar-tone-2-fg: #9fc3ea;--ds-avatar-tone-3-bg: #2c2945;--ds-avatar-tone-3-fg: #bcb2ee;--ds-avatar-tone-4-bg: #3d2c20;--ds-avatar-tone-4-fg: #eeb88e;--ds-avatar-tone-5-bg: #3d2330;--ds-avatar-tone-5-fg: #eeaabd;--ds-avatar-tone-6-bg: #2c3522;--ds-avatar-tone-6-fg: #c1d49a;--ds-font-family-ui: "Inter Variable", Inter, system-ui, sans-serif;--ds-type-brand-weight: 700;--ds-type-hero-size: 32px;--ds-type-hero-line: 40px;--ds-type-hero-weight: 600;--ds-type-hero-tracking: -.03em;--ds-type-page-title-size: 28px;--ds-type-page-title-line: 36px;--ds-type-page-title-weight: 600;--ds-type-page-title-tracking: -.02em;--ds-type-section-title-size: 20px;--ds-type-section-title-line: 28px;--ds-type-section-title-weight: 500;--ds-type-section-title-tracking: -.012em;--ds-type-card-title-size: 16px;--ds-type-card-title-line: 24px;--ds-type-card-title-weight: 600;--ds-type-card-title-tracking: -.006em;--ds-type-body-size: 16px;--ds-type-body-line: 24px;--ds-type-body-weight: 400;--ds-type-body-tracking: 0;--ds-type-ui-size: 14px;--ds-type-ui-line: 20px;--ds-type-ui-weight: 450;--ds-type-ui-tracking: .004em;--ds-type-button-size: 14px;--ds-type-button-line: 20px;--ds-type-button-weight: 600;--ds-type-button-tracking: 0;--ds-type-label-size: 13px;--ds-type-label-line: 18px;--ds-type-label-weight: 500;--ds-type-label-tracking: .006em;--ds-type-caption-size: 12px;--ds-type-caption-line: 16px;--ds-type-caption-weight: 400;--ds-type-caption-tracking: .01em;--ds-type-micro-size: 11px;--ds-type-micro-line: 16px;--ds-type-tag-mini-size: 10px;--ds-type-tag-mini-line: 14px;--ds-type-metric-size: 32px;--ds-type-metric-line: 40px;--ds-type-metric-weight: 600;--ds-type-metric-tracking: -.03em;--ds-type-metric-compact-size: 24px;--ds-type-metric-compact-line: 32px;--ds-type-metric-compact-tracking: -.02em;--ds-type-donut-metric-size: 44px;--ds-type-donut-metric-line: 52px;--ds-type-donut-metric-weight: 600;--ds-type-donut-metric-tracking: -.03em;--ds-chart-gradient-highlight-mix: 6%;--ds-chart-gradient-shadow-mix: 4%;--ds-space-0-5: 2px;--ds-space-1: 4px;--ds-space-1-5: 6px;--ds-space-2: 8px;--ds-space-2-5: 10px;--ds-space-3: 12px;--ds-space-3-5: 14px;--ds-space-4: 16px;--ds-space-5: 20px;--ds-space-6: 24px;--ds-space-7: 28px;--ds-space-8: 32px;--ds-space-10: 40px;--ds-space-12: 48px;--ds-space-14: 56px;--ds-space-16: 64px;--ds-space-18: 72px;--ds-space-20: 80px;--ds-layout-stack-pair: var(--ds-space-1);--ds-layout-stack-text: var(--ds-space-2);--ds-layout-stack-item: var(--ds-space-4);--ds-layout-stack-block: var(--ds-space-6);--ds-layout-page-heading-gap: var(--ds-layout-stack-text);--ds-layout-page-heading-height: calc(var(--ds-type-page-title-line) + var(--ds-layout-page-heading-gap) + var(--ds-type-ui-line));--ds-layout-page-first-block-gap: var(--ds-layout-stack-block);--ds-layout-page-line-tool-inset: calc((var(--ds-layout-page-heading-height) - var(--ds-type-ui-line) - var(--ds-layout-stack-pair) - var(--ds-type-caption-line) - 2 * var(--ds-border-width)) / 2);--ds-layout-page-content-gap: 76px;--ds-layout-page-gutter: var(--ds-space-6);--ds-layout-sidebar-open-page-gutter: var(--ds-space-12);--ds-layout-container-inset: var(--ds-space-6);--ds-layout-container-gap: var(--ds-space-6);--ds-layout-analytics-overview-split-gap: var(--ds-space-12);--ds-layout-analytics-legend-gap: var(--ds-space-10);--ds-layout-analytics-legend-gap-min: var(--ds-space-6);--ds-layout-analytics-group-row-min-height: 56px;--ds-layout-analytics-group-column-gap: var(--ds-space-8);--ds-layout-analytics-group-row-gap: var(--ds-space-2);--ds-layout-activity-facts-width: 304px;--ds-layout-nested-guide-gap: var(--ds-space-2);--ds-layout-showcase-heading-gap: 76px;--ds-layout-page-search-width: 320px;--ds-layout-page-memo-width: 400px;--ds-layout-page-picker-width: 480px;--ds-layout-drawer-width-tablet: clamp(280px, 50vw, 420px);--ds-layout-drawer-width-phone: min(320px, calc(100vw - 32px) );--ds-layout-block-gap: var(--ds-space-16);--ds-layout-block-column-gap: var(--ds-space-12);--ds-radius-outer: 14px;--ds-radius-inner: 10px;--ds-radius-round: 50%;--ds-radius-pill: 999px;--ds-radius-cell: 4px;--ds-radius-card: var(--ds-radius-outer);--ds-radius-control: var(--ds-radius-outer);--ds-radius-modal: var(--ds-radius-outer);--ds-radius-nested: var(--ds-radius-inner);--ds-radius-badge: var(--ds-radius-inner);--ds-radius-small: var(--ds-radius-cell);--ds-border-width: 1px;--ds-selection-border: color-mix(in srgb, var(--ds-control-border) 48%, var(--ds-border));--ds-graph-grid-line: rgb(145 165 174 / 8%);--ds-graph-grid-size: 30px;--ds-focus-width: 2px;--ds-focus-offset: 2px;--ds-control-height-compact: 32px;--ds-control-height: 40px;--ds-control-height-cta: 44px;--ds-control-height-large: 48px;--ds-icon-size: 20px;--ds-shadow-overlay: 0 20px 54px rgb(0 0 0 / 28%);--ds-shadow-drawer: 12px 0 24px rgb(0 0 0 / 18%);--ds-shadow-floating: 0 4px 12px rgb(0 0 0 / 10%);--ds-shadow-resting: 0 1px 4px rgb(0 0 0 / 5%);--ds-shadow-panel: 0 18px 50px rgb(0 0 0 / 5%);--ds-shadow-raised: 0 1px 2px rgb(20 20 20 / 10%), 0 1px 4px rgb(20 20 20 / 4%);--ds-shadow-collectible: none;--ds-shadow-collectible-hover: none;--ds-motion-fast: .12s;--ds-motion-standard: .18s;--ds-motion-panel: .24s;--ds-ease-standard: cubic-bezier(.2, 0, 0, 1);--ds-motion-expand: .26s;--ds-motion-search-expand: .34s;--ds-ease-expand: cubic-bezier(.22, 1, .36, 1)}[data-ds-theme=light]{color-scheme:light;--ds-canvas: #f4f6f7;--ds-shell: #ffffff;--ds-surface: #ffffff;--ds-surface-hover: #f7f8f9;--ds-surface-pressed: #edf0f1;--ds-text: #172022;--ds-text-secondary: #475459;--ds-text-muted: #68757a;--ds-border: #eaecee;--ds-graph-grid-line: rgb(42 53 65 / 4%);--ds-list-divider: color-mix(in srgb, var(--ds-border) 72%, transparent);--ds-control-border: #ccd3d5;--ds-control-surface: #eff1f2;--ds-accent: #267f72;--ds-accent-hover: #206f64;--ds-accent-pressed: #1a5f56;--ds-on-accent: #ffffff;--ds-action-accent: #8fd0c3;--ds-action-accent-hover: #7ec9bd;--ds-action-accent-pressed: #6cbfb2;--ds-on-action-accent: #123f39;--ds-accent-fill: #7ec9bd;--ds-selection: var(--ds-surface);--ds-on-selection: var(--ds-text);--ds-focus: var(--ds-accent);--ds-success: var(--ds-accent);--ds-warning: #855a14;--ds-danger: #a63443;--ds-on-danger: #ffffff;--ds-info: #3d5fd1;--ds-account-teacher: #4d67a3;--ds-disabled-surface: #eef1f2;--ds-disabled-text: #7a8589;--ds-disabled-border: #d8dedf;--ds-xp-accent: #6478ba;--ds-xp-fill: #919ecd;--ds-xp-track: #eaecf3;--ds-xp-secondary: #b0badc;--ds-xp-muted: #d6daec;--ds-xp-soft: color-mix(in srgb, var(--ds-xp-accent) 10%, transparent);--ds-collectible-surface: #f5f7fb;--ds-collectible-highlight: #ffffff;--ds-collectible-tint: color-mix(in srgb, var(--ds-xp-accent) 4%, transparent);--ds-analytics-strong: #7ec9bd;--ds-analytics-accent: var(--ds-accent-fill);--ds-analytics-stable: #a3d6cd;--ds-analytics-fragile: #bfe0da;--ds-analytics-weak: #d5e8e4;--ds-analytics-unknown: #d8e2e1;--ds-analytics-track: #e5ebeb;--ds-avatar-tone-1-bg: #d7eee9;--ds-avatar-tone-1-fg: #2f8a7c;--ds-avatar-tone-2-bg: #dde9f7;--ds-avatar-tone-2-fg: #3f73aa;--ds-avatar-tone-3-bg: #e7e4f6;--ds-avatar-tone-3-fg: #6a5eae;--ds-avatar-tone-4-bg: #f8e6d6;--ds-avatar-tone-4-fg: #b0652f;--ds-avatar-tone-5-bg: #f6e0e6;--ds-avatar-tone-5-fg: #a94d66;--ds-avatar-tone-6-bg: #e6ecd8;--ds-avatar-tone-6-fg: #62743a;--ds-shadow-overlay: 0 20px 54px rgb(20 30 34 / 14%);--ds-shadow-drawer: 12px 0 24px rgb(20 30 34 / 5%);--ds-shadow-floating: 0 4px 12px rgb(20 30 34 / 10%);--ds-shadow-resting: 0 1px 4px rgb(20 30 34 / 5%);--ds-shadow-panel: 0 18px 50px rgb(29 35 38 / 5%)}:root,[data-ds-theme]{--ds-surface-section: color-mix(in srgb, var(--ds-surface) 48%, var(--ds-canvas));--ds-border-subtle: color-mix(in srgb, var(--ds-text-secondary) 11%, transparent);--ds-surface-local-selection: color-mix(in srgb, var(--ds-text) 9%, var(--ds-surface-section));--ds-surface-current-step: color-mix(in srgb, var(--ds-text) 4%, var(--ds-surface-section));--ds-memo-surface: color-mix(in srgb, var(--ds-text) 4%, var(--ds-surface-section));--ds-disabled-control-surface: transparent;--ds-action-neutral: var(--ds-text);--ds-action-neutral-hover: var(--ds-text-secondary);--ds-on-action-neutral: var(--ds-canvas);--ds-surface-accent-soft: color-mix(in srgb, var(--ds-accent) 8%, var(--ds-surface));--ds-surface-warning-soft: color-mix(in srgb, var(--ds-warning) 14%, var(--ds-surface));--ds-surface-danger-soft: color-mix(in srgb, var(--ds-danger) 14%, var(--ds-surface));--ds-surface-info-soft: color-mix(in srgb, var(--ds-info) 14%, var(--ds-surface));--ds-account-teacher-surface: color-mix(in srgb, var(--ds-account-teacher) 14%, var(--ds-surface));--ds-surface-warning-quiet: color-mix(in srgb, var(--ds-warning) 8%, var(--ds-surface));--ds-surface-danger-quiet: color-mix(in srgb, var(--ds-danger) 8%, var(--ds-surface));--ds-surface-info-quiet: color-mix(in srgb, var(--ds-info) 8%, var(--ds-surface));--ds-border-success: color-mix(in srgb, var(--ds-success) 32%, var(--ds-border-subtle));--ds-border-warning: color-mix(in srgb, var(--ds-warning) 32%, var(--ds-border-subtle));--ds-border-danger: color-mix(in srgb, var(--ds-danger) 32%, var(--ds-border-subtle));--ds-border-info: color-mix(in srgb, var(--ds-info) 32%, var(--ds-border-subtle));--ds-analytics-unknown-edge: color-mix(in srgb, var(--ds-text-muted) 55%, var(--ds-analytics-unknown));--ds-analytics-level-0: color-mix(in srgb, var(--ds-surface-hover) 72%, var(--ds-canvas));--ds-analytics-level-1: color-mix(in srgb, var(--ds-analytics-accent) 24%, var(--ds-surface));--ds-analytics-level-2: color-mix(in srgb, var(--ds-analytics-accent) 45%, var(--ds-surface));--ds-analytics-level-3: color-mix(in srgb, var(--ds-analytics-accent) 70%, var(--ds-surface));--ds-analytics-level-4: var(--ds-analytics-accent);--ds-overlay: rgb(3 8 12 / 48%);--ds-overlay-drawer: rgb(3 8 12 / 32%);--ds-photo-scrim: rgb(11 17 24 / 82%);--ds-on-photo: #ffffff;--ds-surface-callout: color-mix(in srgb, var(--ds-accent) 14%, var(--ds-surface));--ds-border-callout: color-mix(in srgb, var(--ds-accent) 40%, var(--ds-border));--ds-collectible-tint-layer: linear-gradient(var(--ds-collectible-tint), var(--ds-collectible-tint));--ds-collectible-background: color-mix(in srgb, var(--ds-xp-accent) 5%, var(--ds-collectible-surface));--ds-collectible-text: #181818;--ds-collectible-secondary: #4b5360;--ds-collectible-muted: #616b78;--ds-collectible-accent: #3f5c7e;--ds-collectible-track: #e6e9ed;--ds-collectible-border: color-mix(in srgb, var(--ds-collectible-text) 10%, transparent);--ds-collectible-locked-background: color-mix(in srgb, var(--ds-collectible-surface) 48%, var(--ds-canvas));--ds-collectible-locked-opacity: .56;--ds-collectible-started-opacity: .7;--ds-collectible-started-grayscale: .72;--ds-collectible-selected-ring: color-mix(in srgb, var(--ds-xp-accent) 26%, transparent);--ds-collectible-hover-border: color-mix(in srgb, var(--ds-xp-accent) 50%, transparent);--ds-collectible-mini-track: rgb(17 26 34 / 18%);--ds-layout-collectible-inset: 12px;--ds-layout-collectible-tile: 80px;--ds-scene-border: var(--ds-border-subtle);--ds-scene-surface: var(--ds-surface);--ds-scene-surface-task: var(--ds-scene-surface);--ds-scene-border-task: color-mix(in srgb, var(--ds-accent) 20%, transparent);--ds-scene-control-surface: color-mix(in srgb, #ffffff 8%, var(--ds-surface));--ds-scene-control-border: var(--ds-border);--ds-scene-block-inset: var(--ds-space-4);--ds-scene-block-inset-block: var(--ds-scene-block-inset);--ds-scene-label-gap: var(--ds-space-3);--ds-scene-toolbar-inset-block: var(--ds-space-1-5);--ds-scene-canvas-bottom: var(--ds-space-6);--ds-scene-block-gap: var(--ds-space-2);--ds-type-practice-task-size: 12px;--ds-type-practice-task-line: 14.5px;--ds-type-practice-task-paragraph-gap: 5px;--ds-type-practice-formula-size: 13px;--ds-type-practice-prose-size: 14px;--ds-type-practice-prose-line: 18px;--ds-type-practice-prose-paragraph-gap: 10px;--ds-layout-scene-task-height: 76px;--ds-layout-test-task-height: 480px;--ds-layout-test-task-text-height: 292px;--ds-scene-step-focus: 160px;--ds-scene-step-gutter: var(--ds-scene-step-focus);--ds-scene-scroll-width: 4px;--ds-layout-scene-table-row: 40px;--ds-scene-step-mask: linear-gradient(to bottom, transparent 0, #000 var(--ds-space-10), #000 100%);--ds-scene-paper-step: var(--ds-graph-grid-size);--ds-scene-paper: linear-gradient(var(--ds-graph-grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--ds-graph-grid-line) 1px, transparent 1px);--ds-layout-analytics-donut-size: clamp(344px, 28vw, 380px);--ds-layout-analytics-donut-phone: min(52vw, 216px);--ds-layout-xp-donut-size: 288px}@media(max-width:1199px){:root,[data-ds-theme]{--ds-layout-page-content-gap: 64px;--ds-layout-sidebar-open-page-gutter: var(--ds-space-8);--ds-layout-block-gap: var(--ds-space-12);--ds-layout-block-column-gap: var(--ds-space-8)}}@media(max-width:1023px){:root,[data-ds-theme]{--ds-layout-page-gutter: 20px;--ds-layout-container-inset: 20px;--ds-layout-container-gap: 20px;--ds-layout-page-content-gap: var(--ds-space-12);--ds-layout-block-gap: var(--ds-space-12);--ds-layout-block-column-gap: var(--ds-space-8)}}@media(max-width:767px){:root,[data-ds-theme]{--ds-type-hero-size: 28px;--ds-type-hero-line: 34px;--ds-type-page-title-size: 24px;--ds-type-page-title-line: 32px;--ds-type-micro-size: var(--ds-type-caption-size);--ds-type-metric-size: 28px;--ds-type-metric-line: 36px;--ds-type-donut-metric-size: 40px;--ds-type-donut-metric-line: 44px;--ds-layout-page-gutter: var(--ds-space-4);--ds-layout-page-line-tool-inset: var(--ds-space-3);--ds-layout-container-inset: var(--ds-space-4);--ds-layout-container-gap: var(--ds-space-4);--ds-layout-page-content-gap: var(--ds-space-8);--ds-layout-block-gap: var(--ds-space-10);--ds-layout-block-column-gap: var(--ds-space-6);--ds-layout-analytics-overview-split-gap: var(--ds-space-8);--ds-layout-analytics-legend-gap: var(--ds-space-6);--ds-layout-analytics-legend-gap-min: var(--ds-space-4)}}@media(min-width:1280px)and (max-height:850px){:root,[data-ds-theme]{--ds-layout-scene-task-height: 72px;--ds-scene-block-inset-block: var(--ds-space-3);--ds-scene-label-gap: var(--ds-space-2);--ds-scene-toolbar-inset-block: var(--ds-space-0-5);--ds-scene-canvas-bottom: var(--ds-space-2)}}@media(prefers-reduced-motion:reduce){:root,[data-ds-theme]{--ds-motion-fast: 0ms;--ds-motion-standard: 0ms;--ds-motion-panel: 0ms;--ds-motion-expand: 0ms;--ds-motion-search-expand: 0ms}}.ds-button,.ds-icon-button,.ds-field,.ds-field *,.ds-page-header,.ds-page-header *,.ds-surface,.ds-status-badge{box-sizing:border-box}.ds-page-header{display:flex;width:100%;min-width:0;align-items:flex-start;justify-content:space-between;gap:var(--ds-space-6);margin:0 0 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0}.ds-page-error__panel{padding:var(--ds-space-6)}}.ds-status-badge--progress{color:var(--ds-accent);background:var(--ds-surface-accent-soft)}.ds-status-badge--success{color:var(--ds-success);background:var(--ds-surface-callout)}.ds-status-badge--warning{color:var(--ds-warning);background:var(--ds-surface-warning-soft)}.ds-status-badge--danger{color:var(--ds-danger);background:var(--ds-surface-danger-soft)}.ds-status-badge--info{color:var(--ds-info);background:var(--ds-surface-info-soft)}.ds-status-badge--teacher{color:var(--ds-account-teacher);background:var(--ds-account-teacher-surface)}.ds-type-hero,.ds-type-page-title,.ds-type-section-title,.ds-type-card-title,.ds-type-body,.ds-type-ui,.ds-type-label,.ds-type-caption,.ds-type-micro,.ds-type-metric{margin:0;color:var(--ds-text);font-family:var(--ds-font-family-ui)}.ds-type-hero{font-size:var(--ds-type-hero-size);font-weight:var(--ds-type-hero-weight);letter-spacing:var(--ds-type-hero-tracking);line-height:var(--ds-type-hero-line)}.ds-type-page-title{font-size:var(--ds-type-page-title-size);font-weight:var(--ds-type-page-title-weight);letter-spacing:var(--ds-type-page-title-tracking);line-height:var(--ds-type-page-title-line)}.ds-type-section-title{font-size:var(--ds-type-section-title-size);font-weight:var(--ds-type-section-title-weight);letter-spacing:var(--ds-type-section-title-tracking);line-height:var(--ds-type-section-title-line)}.ds-type-card-title{font-size:var(--ds-type-card-title-size);font-weight:var(--ds-type-card-title-weight);letter-spacing:var(--ds-type-card-title-tracking);line-height:var(--ds-type-card-title-line)}.ds-type-body{font-size:var(--ds-type-body-size);font-weight:var(--ds-type-body-weight);letter-spacing:var(--ds-type-body-tracking);line-height:var(--ds-type-body-line)}.ds-type-ui{font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-ui-weight);letter-spacing:var(--ds-type-ui-tracking);line-height:var(--ds-type-ui-line)}.ds-type-label{font-size:var(--ds-type-label-size);font-weight:var(--ds-type-label-weight);letter-spacing:var(--ds-type-label-tracking);line-height:var(--ds-type-label-line)}.ds-type-caption{color:var(--ds-text-muted);font-size:var(--ds-type-caption-size);font-weight:var(--ds-type-caption-weight);letter-spacing:var(--ds-type-caption-tracking);line-height:var(--ds-type-caption-line)}.ds-type-micro{color:var(--ds-text-muted);font-size:var(--ds-type-micro-size);font-weight:var(--ds-type-caption-weight);letter-spacing:var(--ds-type-caption-tracking);line-height:var(--ds-type-micro-line)}.ds-type-metric{font-variant-numeric:tabular-nums;font-size:var(--ds-type-metric-size);font-weight:var(--ds-type-metric-weight);letter-spacing:var(--ds-type-metric-tracking);line-height:var(--ds-type-metric-line)}@keyframes ds-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.ds-button__spinner{animation-duration:1.4s}}.ds-memo{display:inline-flex;box-sizing:border-box;min-height:var(--ds-control-height-large);max-width:100%;align-items:center;gap:var(--ds-space-3);margin:0;padding:var(--ds-space-3) var(--ds-space-4);color:var(--ds-text-secondary);font-family:var(--ds-font-family-ui);text-align:left;background:var(--ds-memo-surface);border:var(--ds-border-width) solid var(--ds-border-subtle, transparent);border-radius:var(--ds-radius-card)}.ds-memo__icon{flex:none;color:var(--ds-text-muted)}.ds-memo__copy{display:grid;min-width:0;gap:var(--ds-layout-stack-pair)}.ds-memo__copy strong{text-transform:lowercase;color:var(--ds-text);font-size:var(--ds-type-ui-size);font-weight:600;letter-spacing:var(--ds-type-ui-tracking);line-height:var(--ds-type-ui-line)}.ds-memo__copy small{color:var(--ds-text-muted);font-size:var(--ds-type-caption-size);font-weight:var(--ds-type-caption-weight);letter-spacing:var(--ds-type-caption-tracking);line-height:var(--ds-type-caption-line)}.ds-page-title-row{display:flex;min-width:0;flex-wrap:wrap;align-items:baseline;gap:0 var(--ds-space-3)}.ds-page-title-row>:is(h1,h2){margin:0}.ds-page-count{color:var(--ds-text-muted);font-family:var(--ds-font-family-ui);font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-ui-weight);letter-spacing:var(--ds-type-ui-tracking);line-height:var(--ds-type-ui-line);font-variant-numeric:tabular-nums;white-space:nowrap}.ds-segmented{display:inline-grid;box-sizing:border-box;max-width:100%;grid-auto-columns:auto;grid-auto-flow:column;gap:var(--ds-space-0-5);padding:var(--ds-space-0-5);border-radius:var(--ds-radius-outer);background:var(--ds-control-surface);font-family:var(--ds-font-family-ui)}.ds-segmented__item{min-height:calc(var(--ds-control-height) - 2 * var(--ds-space-0-5));padding:0 var(--ds-space-4);border:0;border-radius:var(--ds-radius-inner);color:var(--ds-text-secondary);background:transparent;cursor:pointer;font-family:inherit;font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-button-weight);line-height:var(--ds-type-ui-line);text-transform:lowercase;white-space:nowrap;transition:background-color var(--ds-motion-fast) var(--ds-ease-standard),color var(--ds-motion-fast) var(--ds-ease-standard)}.ds-segmented__item:hover{color:var(--ds-text)}.ds-segmented__item[aria-checked=true],.ds-segmented__item[aria-selected=true]{color:var(--ds-text);background:var(--ds-surface);box-shadow:var(--ds-shadow-raised)}.ds-segmented__item:focus-visible{outline:var(--ds-focus-width) solid var(--ds-focus);outline-offset:var(--ds-focus-offset)}.ds-segmented__count{margin-left:var(--ds-space-1);color:var(--ds-text-muted);font-size:var(--ds-type-caption-size);font-weight:var(--ds-type-label-weight);font-variant-numeric:tabular-nums}.ds-table{width:100%;border-collapse:collapse;color:var(--ds-text-secondary);font-size:var(--ds-type-caption-size);font-variant-numeric:tabular-nums;line-height:var(--ds-type-caption-line)}.ds-table :is(th,td){padding:var(--ds-space-2-5) var(--ds-space-4);border-bottom:var(--ds-border-width) solid var(--ds-border-subtle);font-weight:var(--ds-type-caption-weight);text-align:right;white-space:nowrap}.ds-table :is(th,td):first-child{text-align:left}.ds-table tbody tr:last-child>*{border-bottom:0}.ds-table thead th{color:var(--ds-text-muted);font-weight:var(--ds-type-label-weight)}.ds-table tbody th{color:var(--ds-text);font-weight:var(--ds-type-label-weight)}.ds-table tr[data-current],.ds-table tr[data-current]>*{color:var(--ds-accent)}.ds-table tr[data-current]{background:color-mix(in srgb,var(--ds-accent) 8%,transparent)}.ds-table--compact :is(th,td){padding:var(--ds-space-1) var(--ds-space-2)}.ds-disclosure>summary{display:flex;align-items:center;gap:var(--ds-space-2);cursor:pointer;list-style:none}.ds-disclosure>summary::-webkit-details-marker{display:none}.ds-disclosure__chevron{flex:none}.ds-disclosure[open]>summary>.ds-disclosure__chevron{transform:rotate(180deg)}.ds-notice{--ds-notice-text: var(--ds-warning);--ds-notice-surface: var(--ds-surface-warning-quiet);--ds-notice-border: var(--ds-border-warning);display:flex;box-sizing:border-box;align-items:center;gap:var(--ds-space-4);padding:var(--ds-space-3) var(--ds-space-3) var(--ds-space-3) var(--ds-space-4);color:var(--ds-notice-text);background:var(--ds-notice-surface);border:var(--ds-border-width) solid var(--ds-notice-border);border-radius:var(--ds-radius-card);font-family:var(--ds-font-family-ui);font-size:var(--ds-type-ui-size);line-height:var(--ds-type-ui-line)}.ds-notice--info{--ds-notice-text: var(--ds-info);--ds-notice-surface: var(--ds-surface-info-quiet);--ds-notice-border: var(--ds-border-info)}.ds-notice__text{min-width:0;flex:1 1 auto;margin:0}.ds-notice__title{font-weight:var(--ds-type-button-weight)}.ds-notice__action{flex:0 0 auto}@media(max-width:767px){.ds-notice{align-items:stretch;flex-direction:column;gap:var(--ds-space-3)}.ds-notice__action>.ds-button{width:100%}}.ds-chip{display:inline-flex;box-sizing:border-box;min-height:var(--ds-control-height-compact);align-items:center;justify-content:center;padding:0 var(--ds-space-3);border:0;border-radius:var(--ds-radius-inner);color:var(--ds-text-secondary);background:var(--ds-surface-hover);cursor:pointer;font-family:var(--ds-font-family-ui);font-size:var(--ds-type-caption-size);font-weight:var(--ds-type-label-weight);line-height:var(--ds-type-caption-line);text-align:center;text-transform:lowercase;white-space:nowrap;transition:color var(--ds-motion-fast) var(--ds-ease-standard),background-color var(--ds-motion-fast) var(--ds-ease-standard)}.ds-chip:hover:not(:disabled),.ds-chip:focus-visible{color:var(--ds-text);background:color-mix(in srgb,var(--ds-surface-callout) 72%,var(--ds-surface-hover))}.ds-chip:disabled{color:var(--ds-disabled-text);cursor:not-allowed}.ds-pagination{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:var(--ds-space-4);font-family:var(--ds-font-family-ui)}.ds-pagination__range{color:var(--ds-text-muted);font-size:var(--ds-type-caption-size);line-height:var(--ds-type-caption-line)}.ds-pagination__pages{display:flex;min-width:0;align-items:center;gap:var(--ds-space-1)}.ds-pagination__step,.ds-pagination__page{display:inline-grid;box-sizing:border-box;min-width:var(--ds-control-height-compact);min-height:var(--ds-control-height-compact);place-items:center;padding:0 var(--ds-space-2);border:0;border-radius:var(--ds-radius-control);color:var(--ds-text-secondary);background:transparent;cursor:pointer;font-family:inherit;font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-ui-weight);font-variant-numeric:tabular-nums;line-height:var(--ds-type-ui-line);transition:color var(--ds-motion-fast) var(--ds-ease-standard),background-color var(--ds-motion-fast) var(--ds-ease-standard)}.ds-pagination__step{padding:0}.ds-pagination__step:hover:not(:disabled),.ds-pagination__page:hover:not([aria-current=page]){color:var(--ds-text);background:var(--ds-surface-hover)}.ds-pagination__step:disabled{color:var(--ds-disabled-text);cursor:not-allowed}.ds-pagination__page[aria-current=page]{color:var(--ds-text);background:var(--ds-surface-local-selection);font-weight:var(--ds-type-button-weight)}.ds-pagination__ellipsis{width:var(--ds-control-height-compact);color:var(--ds-text-muted);text-align:center}@media(max-width:767px){.ds-button,.ds-button--compact,.ds-icon-button--compact,.ds-switch{min-width:var(--ds-control-height-cta);min-height:var(--ds-control-height-cta)}.ds-icon-button--compact{padding:0}.ds-segmented__item{min-height:calc(var(--ds-control-height-cta) - 2 * var(--ds-space-0-5))}.ds-segmented--fill{display:grid;width:100%;grid-auto-columns:auto}.ds-segmented--fill .ds-segmented__item{padding-inline:var(--ds-space-2-5);white-space:nowrap}.ds-page-title-row{justify-content:space-between}.ds-page-count{margin-left:auto;text-align:right}}.ds-visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.ds-local-nav{position:relative;z-index:20;box-sizing:border-box;min-height:var(--platform-local-nav-height, 58px);background:var(--platform-canvas, var(--ds-canvas));border-bottom:var(--ds-border-width, 1px) solid var(--ds-border-subtle)}.ds-local-nav__inner,.ds-local-nav--bare{display:flex;align-items:stretch;gap:var(--ds-space-8);min-width:0}.ds-local-nav__inner{box-sizing:border-box;min-height:calc(var(--platform-local-nav-height, 58px) - var(--ds-border-width, 1px))}.ds-local-nav .ds-local-nav__item{position:relative;display:inline-flex;flex:0 0 auto;align-items:center;gap:var(--ds-space-1-5);width:auto;min-width:0;height:auto;margin:0;padding:0 1px;color:var(--platform-text-faint, var(--ds-text-muted));background:transparent;border:0;border-radius:0;box-shadow:none;cursor:pointer;font-family:var(--ds-font-family-ui);font-size:var(--ds-type-button-size);font-weight:var(--ds-type-button-weight);letter-spacing:var(--ds-type-button-tracking);line-height:var(--ds-type-button-line);text-align:left;text-decoration:none;text-transform:lowercase;transition:color var(--ds-motion-fast) ease}.ds-local-nav .ds-local-nav__item:is(:hover,.is-active,[aria-current=page],[aria-selected=true],[aria-pressed=true]){color:var(--platform-text, var(--ds-text));background:transparent}.ds-local-nav .ds-local-nav__item:is(.is-active,[aria-current=page],[aria-selected=true],[aria-pressed=true]):after{position:absolute;right:0;bottom:var(--ds-space-2);left:0;height:var(--ds-border-width, 1px);content:"";background:currentColor}.ds-local-nav .ds-local-nav__item:focus-visible{outline:var(--ds-focus-width) solid var(--platform-focus, var(--ds-focus));outline-offset:var(--ds-focus-offset)}@media(max-width:1023px){.ds-local-nav__inner,.ds-local-nav--bare{column-gap:var(--ds-space-4)}.ds-local-nav .ds-local-nav__item{min-height:var(--ds-control-height, 40px)}}:is(.ds-local-nav__inner,.ds-local-nav--bare)[data-more-end=true]{-webkit-mask-image:linear-gradient(to right,var(--ds-text) calc(100% - var(--ds-space-8)),transparent);mask-image:linear-gradient(to right,var(--ds-text) calc(100% - var(--ds-space-8)),transparent)}:is(.ds-local-nav__inner,.ds-local-nav--bare)[data-more-start=true]{-webkit-mask-image:linear-gradient(to left,var(--ds-text) calc(100% - var(--ds-space-8)),transparent);mask-image:linear-gradient(to left,var(--ds-text) calc(100% - var(--ds-space-8)),transparent)}:is(.ds-local-nav__inner,.ds-local-nav--bare)[data-more-start=true][data-more-end=true]{-webkit-mask-image:linear-gradient(to right,transparent,var(--ds-text) var(--ds-space-8),var(--ds-text) calc(100% - var(--ds-space-8)),transparent);mask-image:linear-gradient(to right,transparent,var(--ds-text) var(--ds-space-8),var(--ds-text) calc(100% - var(--ds-space-8)),transparent)}@media(max-width:767px){.ds-local-nav__inner,.ds-local-nav--bare{flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:none}.ds-local-nav__inner::-webkit-scrollbar,.ds-local-nav--bare::-webkit-scrollbar{display:none}.ds-local-nav .ds-local-nav__item{min-height:var(--ds-control-height-cta, 44px)}}.ds-avatar{display:inline-grid;flex:0 0 auto;box-sizing:border-box;width:var(--ds-avatar-size, 32px);height:var(--ds-avatar-size, 32px);overflow:hidden;color:var(--ds-text-secondary);background:var(--ds-surface-pressed);border:var(--ds-border-width) solid var(--ds-border);border-radius:50%;font-family:var(--ds-font-family-ui);font-weight:600;letter-spacing:var(--ds-type-caption-tracking);place-items:center;text-transform:none}.ds-avatar--sm{--ds-avatar-size: var(--ds-control-height-compact, 32px);font-size:var(--ds-type-caption-size);line-height:var(--ds-type-caption-line)}.ds-avatar--md{--ds-avatar-size: var(--ds-control-height, 40px);font-size:var(--ds-type-ui-size);line-height:var(--ds-type-ui-line)}.ds-avatar--lg{--ds-avatar-size: var(--ds-space-12, 48px);font-size:var(--ds-type-card-title-size);line-height:var(--ds-type-card-title-line)}.ds-avatar img{display:block;width:100%;height:100%;object-fit:cover}.ds-avatar svg{width:17px;height:17px;color:var(--ds-text-muted)}.ds-avatar--figure{color:var(--ds-avatar-fg);background:var(--ds-avatar-bg);border:0}.ds-avatar svg.ds-avatar__figure{width:100%;height:100%;color:inherit;fill:currentColor}.ds-avatar--tone-1{--ds-avatar-bg: var(--ds-avatar-tone-1-bg);--ds-avatar-fg: var(--ds-avatar-tone-1-fg)}.ds-avatar--tone-2{--ds-avatar-bg: var(--ds-avatar-tone-2-bg);--ds-avatar-fg: var(--ds-avatar-tone-2-fg)}.ds-avatar--tone-3{--ds-avatar-bg: var(--ds-avatar-tone-3-bg);--ds-avatar-fg: var(--ds-avatar-tone-3-fg)}.ds-avatar--tone-4{--ds-avatar-bg: var(--ds-avatar-tone-4-bg);--ds-avatar-fg: var(--ds-avatar-tone-4-fg)}.ds-avatar--tone-5{--ds-avatar-bg: var(--ds-avatar-tone-5-bg);--ds-avatar-fg: var(--ds-avatar-tone-5-fg)}.ds-avatar--tone-6{--ds-avatar-bg: var(--ds-avatar-tone-6-bg);--ds-avatar-fg: var(--ds-avatar-tone-6-fg)}.ds-avatar--tone-success{--ds-avatar-bg: var(--ds-surface-callout);--ds-avatar-fg: var(--ds-success)}.ds-avatar--tone-teacher{--ds-avatar-bg: var(--ds-account-teacher-surface);--ds-avatar-fg: var(--ds-account-teacher)}.ds-avatar--tone-neutral{--ds-avatar-bg: var(--ds-surface-local-selection);--ds-avatar-fg: var(--ds-text-secondary)}.ds-avatar-pill{display:inline-flex;box-sizing:border-box;flex:0 0 auto;align-items:center;gap:var(--ds-space-3);min-width:0;max-width:100%;min-height:var(--ds-space-14);margin:0;padding:var(--ds-space-2) var(--ds-space-6) var(--ds-space-2) var(--ds-space-2);color:var(--ds-text);background:var(--ds-surface);border:var(--ds-border-width) solid var(--ds-border-subtle);border-radius:var(--ds-radius-pill);font-family:var(--ds-font-family-ui);font-size:var(--ds-type-card-title-size);font-weight:var(--ds-type-button-weight);letter-spacing:var(--ds-type-ui-tracking);line-height:var(--ds-type-ui-line);text-align:left;text-decoration:none;text-transform:none;white-space:nowrap;cursor:pointer;transition:background var(--ds-motion-fast) var(--ds-ease-standard),border-color var(--ds-motion-fast) var(--ds-ease-standard)}.ds-avatar-pill>span:last-child:not(.ds-avatar,.ds-avatar-pill__icon){min-width:0;overflow:hidden;text-overflow:ellipsis}.ds-avatar-pill:hover{color:var(--ds-text);background:var(--ds-surface-hover);border-color:var(--ds-border)}.ds-avatar-pill:focus-visible{outline:var(--ds-focus-width) solid var(--ds-focus);outline-offset:var(--ds-focus-offset)}.ds-avatar-pill__icon{display:inline-grid;flex:0 0 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.ds-avatar-pill__icon{width:var(--ds-space-6);height:var(--ds-space-6)}.ds-avatar-pill--compact.ds-avatar-pill--round{min-width:var(--ds-avatar-pill-size);padding:var(--ds-space-1)}.ds-avatar-pill--compact .ds-avatar-pill__roll{height:var(--ds-type-label-line)}.ds-avatar-pill--compact .ds-avatar-pill__roll>span{grid-auto-rows:var(--ds-type-label-line)}.ds-avatar-pill--round:is(a,button):hover{border-color:var(--ds-accent-fill)}.ds-avatar-pill__turn{display:inline-grid;place-items:center;transition:transform var(--ds-motion-standard) var(--ds-ease-standard)}.ds-avatar-pill__roll{display:block;height:var(--ds-type-ui-line);overflow:hidden}.ds-avatar-pill__roll>span{display:grid;grid-auto-rows:var(--ds-type-ui-line);place-items:center;transition:transform var(--ds-motion-standard) var(--ds-ease-standard)}@media(hover:hover){.ds-avatar-pill--round:hover .ds-avatar-pill__turn{transform:rotate(90deg)}.ds-avatar-pill--round:hover 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var(--ds-space-10);color:var(--ds-text);background:var(--ds-control-surface);border:var(--ds-border-width) solid var(--ds-control-border);border-radius:var(--ds-radius-control);box-shadow:none;font-family:var(--ds-font-family-ui);font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-ui-weight);letter-spacing:var(--ds-type-ui-tracking, 0);line-height:var(--ds-type-ui-line);outline:0;appearance:none;transition:border-color var(--ds-motion-fast) ease,background-color var(--ds-motion-fast) ease}.ds-search-field .ds-search-field__input::placeholder{color:var(--ds-text-muted);opacity:1}.ds-search-field:focus-within{outline:var(--ds-focus-width) solid var(--ds-focus);outline-offset:var(--ds-focus-offset)}.ds-search-field.has-value 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var(--ds-text-muted);content:"";pointer-events:none;transform:translateY(-70%) rotate(45deg)}.ds-select .ds-select__control{box-sizing:border-box;width:100%;min-width:0;height:var(--ds-control-height);min-height:0;margin:0;padding:0 var(--ds-space-10) 0 var(--ds-space-3);color:var(--ds-text);background:var(--ds-surface);background-image:none;border:var(--ds-border-width) solid var(--ds-control-border);border-radius:var(--ds-radius-control);box-shadow:none;cursor:pointer;font-family:var(--ds-font-family-ui);font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-ui-weight);letter-spacing:var(--ds-type-ui-tracking, 0);line-height:var(--ds-type-ui-line);outline:0;appearance:none;-webkit-appearance:none;transition:background-color var(--ds-motion-fast) var(--ds-ease-standard)}.ds-select .ds-select__control:is(:hover,:focus):not(:disabled){border-color:var(--ds-control-border);background:var(--ds-surface-hover);background-image:none;box-shadow:none}.ds-select .ds-select__control:focus-visible{outline:var(--ds-focus-width) solid var(--ds-focus);outline-offset:var(--ds-focus-offset)}.ds-select .ds-select__control:disabled{border-color:var(--ds-disabled-border);color:var(--ds-disabled-text);background:var(--ds-disabled-surface);cursor:not-allowed}@media(max-width:767px){.ds-select .ds-select__control{height:var(--ds-control-height-cta)}}.ds-sort-control{position:relative;display:inline-flex;flex:0 0 auto;box-sizing:border-box;min-width:0;height:var(--ds-control-height);align-items:center;color:var(--ds-text-secondary);background:var(--ds-control-surface);border:var(--ds-border-width) solid var(--ds-control-border);border-radius:var(--ds-radius-control);cursor:pointer}.ds-sort-control:hover{color:var(--ds-text);background:var(--ds-surface-hover)}.ds-sort-control:focus-within{outline:var(--ds-focus-width) solid var(--ds-focus);outline-offset:var(--ds-focus-offset)}.ds-sort-control__icon{position:absolute;color:var(--ds-text-muted);top:50%;left:calc((var(--ds-control-height) - 17px) / 2 - var(--ds-border-width));width:17px;height:17px;pointer-events:none;transform:translateY(-50%)}.ds-sort-control .ds-sort-control__select{box-sizing:border-box;width:100%;min-width:0;height:100%;min-height:0;margin:0;padding:0 var(--ds-space-3) 0 calc(var(--ds-control-height) - var(--ds-border-width));color:var(--ds-text);background:transparent;border:0;border-radius:inherit;box-shadow:none;cursor:pointer;font-family:var(--ds-font-family-ui);font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-ui-weight);letter-spacing:var(--ds-type-ui-tracking, 0);line-height:var(--ds-type-ui-line);outline:0}.ds-sort-control--field{width:240px;max-width:100%}.ds-sort-control--icon{width:var(--ds-control-height)}.ds-sort-control--icon .ds-sort-control__select{position:absolute;inset:0;padding:0;opacity:0}@media(max-width:767px){.ds-search-field,.ds-search-field .ds-search-field__input,.ds-sort-control{height:var(--ds-control-height-cta);min-height:var(--ds-control-height-cta)}.ds-sort-control--icon{width:var(--ds-control-height-cta)}}.ds-progress-track{display:block;box-sizing:border-box;width:100%;height:4px;overflow:hidden;background:var(--ds-progress-track, var(--ds-analytics-track));border:0;border-radius:var(--ds-radius-pill)}.ds-progress-track__fill{display:block;height:100%;background:var(--ds-progress-fill, var(--ds-analytics-accent));border-radius:inherit}.ds-progress-track--work{--ds-progress-track: var(--ds-surface-local-selection);--ds-progress-fill: var(--ds-accent-fill)}.modal-overlay.ds-modal-overlay{background:var(--ds-overlay);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal-content.ds-modal{box-sizing:border-box;color:var(--ds-text);background:var(--ds-surface);border:var(--ds-border-width) solid var(--ds-border-subtle);border-radius:var(--ds-radius-modal);box-shadow:var(--ds-shadow-overlay);font-family:var(--ds-font-family-ui);font-size:var(--ds-type-ui-size);letter-spacing:var(--ds-type-ui-tracking);line-height:var(--ds-type-ui-line)}.ds-modal .modal-header.ds-modal__header{min-height:0;align-items:center;gap:var(--ds-space-4);padding:var(--ds-space-6);border-bottom:var(--ds-border-width) solid var(--ds-border-subtle)}.ds-modal .ds-modal__header h3{margin:0;color:var(--ds-text);font-size:var(--ds-type-section-title-size);font-weight:var(--ds-type-section-title-weight);letter-spacing:var(--ds-type-section-title-tracking);line-height:var(--ds-type-section-title-line)}.ds-modal .modal-close.ds-modal__close{display:inline-grid;box-sizing:border-box;width:var(--ds-control-height);height:var(--ds-control-height);min-height:0;flex:0 0 auto;place-items:center;padding:0;color:var(--ds-text-secondary);background:var(--ds-surface);border:var(--ds-border-width) solid var(--ds-control-border);border-radius:var(--ds-radius-control);box-shadow:none;cursor:pointer}.ds-modal .modal-close.ds-modal__close:hover{color:var(--ds-text);background:var(--ds-surface-hover)}.ds-modal .modal-close.ds-modal__close:focus-visible{outline:var(--ds-focus-width) solid var(--ds-focus);outline-offset:var(--ds-focus-offset)}.ds-modal .modal-body.ds-modal__body{padding:var(--ds-space-6)}.ds-modal .modal-footer.ds-modal__footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:var(--ds-space-2);padding:0 var(--ds-space-6) var(--ds-space-6);background:transparent;border:0}.modal-overlay.ds-confirm-overlay{z-index:30010}.modal-overlay.ds-side-panel-overlay{align-items:stretch;justify-content:flex-end;padding:0}.modal-content.ds-modal.ds-side-panel{display:flex;width:min(600px,100vw);max-width:100vw;height:100dvh;max-height:100dvh;flex-direction:column;overflow:hidden;border-width:0 0 0 var(--ds-border-width);border-radius:0}.ds-side-panel .modal-header.ds-modal__header{flex:0 0 auto}.ds-side-panel .modal-body.ds-modal__body{flex:1 1 auto;min-height:0;overflow:auto}.modal-content.ds-confirm-modal{width:min(520px,calc(100vw - 2 * var(--ds-space-4)));max-width:520px}.ds-confirm-modal .ds-modal__body{display:grid;gap:var(--ds-space-2-5)}.ds-confirm-modal .ds-modal__body p{margin:0;color:var(--ds-text);font-size:var(--ds-type-ui-size);line-height:var(--ds-type-ui-line)}.ds-confirm-modal .ds-modal__body p.text-muted{color:var(--ds-text-muted)}@media(max-width:767px){.ds-modal .modal-close.ds-modal__close{width:var(--ds-control-height-cta);height:var(--ds-control-height-cta)}}.ds-metric{display:grid;min-width:0;grid-template-rows:auto auto;gap:var(--ds-space-1);margin:0}.ds-metric .ds-metric__value{grid-row:1;margin:0;color:var(--platform-text, var(--ds-text));font-size:var(--ds-type-metric-compact-size);font-weight:var(--ds-type-metric-weight);letter-spacing:var(--ds-type-metric-compact-tracking);line-height:var(--ds-type-metric-compact-line);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.ds-metric .ds-metric__label{grid-row:2;margin:0;color:var(--platform-text-faint, var(--ds-text-muted));font-size:var(--ds-type-caption-size);font-weight:400;letter-spacing:var(--ds-type-caption-tracking);line-height:var(--ds-type-caption-line)}.ds-metric__total{color:var(--platform-text-faint, var(--ds-text-muted))}.ds-action-menu{position:relative;width:fit-content}.ds-action-menu__list{position:absolute;z-index:20;top:calc(100% + var(--ds-space-1));display:grid;width:max-content;min-width:200px;padding:var(--ds-space-1);border:var(--ds-border-width) solid var(--ds-border);border-radius:var(--ds-radius-outer);background:var(--ds-surface);box-shadow:var(--ds-shadow-floating)}.ds-action-menu__list--end{right:0}.ds-action-menu__list--start{left:0}.ds-action-menu__list[hidden]{display:none}.ds-action-menu .ds-action-menu__item{display:flex;min-height:var(--ds-control-height-compact);align-items:center;justify-content:flex-start;padding:0 var(--ds-space-3);border:0;border-radius:var(--ds-radius-inner);background:transparent;box-shadow:none;color:var(--ds-text);font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-ui-weight);line-height:var(--ds-type-ui-line);text-align:left;transform:none;white-space:nowrap;cursor:pointer}.ds-action-menu .ds-action-menu__item:hover,.ds-action-menu .ds-action-menu__item:focus-visible{border-color:transparent;background:var(--ds-surface-hover);box-shadow:none;outline:0;transform:none}.ds-action-menu .ds-action-menu__item:disabled{color:var(--ds-disabled-text);cursor:default}.ds-action-menu .ds-action-menu__item--danger{color:var(--ds-danger)}.ds-action-menu .ds-action-menu__item--danger:not(:first-child){margin-top:var(--ds-space-1);border-top:var(--ds-border-width) solid var(--ds-list-divider);border-radius:0 0 var(--ds-radius-inner) var(--ds-radius-inner)}@media(max-width:767px){.ds-action-menu .ds-action-menu__item{min-height:var(--ds-control-height-cta)}}.ds-work-card{display:grid;box-sizing:border-box;min-width:0;grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto 1fr auto;justify-content:stretch;justify-items:stretch;gap:var(--ds-layout-stack-pair);padding:var(--ds-space-4);color:var(--ds-text);text-align:left;background:var(--ds-surface-section);border:var(--ds-border-width) solid var(--ds-border-subtle);border-radius:var(--ds-radius-card);box-shadow:var(--ds-shadow-resting);font-family:var(--ds-font-family-ui);text-decoration:none;cursor:pointer;transition:background-color var(--ds-motion-fast) var(--ds-ease-standard),border-color var(--ds-motion-fast) var(--ds-ease-standard)}.ds-work-card:hover{color:var(--ds-text);background:var(--ds-surface-hover);border-color:var(--ds-border);box-shadow:var(--ds-shadow-resting)}.ds-work-card:focus-visible{outline:var(--ds-focus-width) solid var(--ds-focus);outline-offset:var(--ds-focus-offset)}.ds-work-card__head{display:flex;flex-wrap:wrap;min-width:0;align-items:center;justify-content:space-between;gap:var(--ds-space-1) var(--ds-space-2)}.ds-work-card__head strong{overflow:hidden;min-width:0;color:var(--ds-text);font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-button-weight);line-height:var(--ds-type-ui-line);letter-spacing:0;text-overflow:ellipsis;text-transform:lowercase;white-space:nowrap}.ds-work-card__meta{overflow:hidden;color:var(--ds-text-muted);font-size:var(--ds-type-caption-size);font-weight:var(--ds-type-caption-weight);line-height:var(--ds-type-caption-line);text-overflow:ellipsis;white-space:nowrap}.ds-work-card__body{display:grid;min-width:0;align-self:end;gap:var(--ds-space-2);margin-top:calc(var(--ds-layout-stack-item) - var(--ds-layout-stack-pair));color:var(--ds-text-muted);font-size:var(--ds-type-caption-size);font-weight:var(--ds-type-caption-weight);line-height:var(--ds-type-caption-line)}.ds-work-card__action{display:inline-flex;align-items:center;gap:var(--ds-space-1);margin-top:calc(var(--ds-layout-stack-item) - var(--ds-layout-stack-pair));color:var(--ds-text-secondary);font-size:var(--ds-type-ui-size);font-weight:var(--ds-type-button-weight);line-height:var(--ds-type-ui-line);text-transform:lowercase}.ds-work-card:hover .ds-work-card__action{color:var(--ds-text)}.ds-work-card-frame{--ds-work-card-secondary-size: var(--ds-control-height-compact);position:relative;display:grid;min-width:0}.ds-work-card__secondary{position:absolute;right:var(--ds-space-3);bottom:calc(var(--ds-space-4) + var(--ds-type-ui-line) / 2 - var(--ds-work-card-secondary-size) / 2);display:flex;gap:var(--ds-space-1)}@media(max-width:767px){.ds-work-card-frame{--ds-work-card-secondary-size: var(--ds-control-height-cta)}}.ds-work-section{display:grid;min-width:0;gap:var(--ds-layout-stack-block);font-family:var(--ds-font-family-ui);font-size:var(--ds-type-ui-size);letter-spacing:var(--ds-type-ui-tracking);line-height:var(--ds-type-ui-line)}.ds-work-section__header{display:flex;min-width:0;align-items:baseline;justify-content:space-between;gap:var(--ds-space-4);margin:0}.ds-work-section__header h2{margin:0;color:var(--ds-text-secondary);font-size:var(--ds-type-section-title-size);font-weight:var(--ds-type-section-title-weight);letter-spacing:var(--ds-type-section-title-tracking);line-height:var(--ds-type-section-title-line)}.ds-work-section__count{color:var(--ds-text-muted);font-size:var(--ds-type-caption-size);font-variant-numeric:tabular-nums;line-height:var(--ds-type-caption-line)}.ds-work-section__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,390px),1fr));gap:var(--ds-layout-stack-item)}.ds-work-section .ds-work-card{min-height:132px}.ds-work-section__empty{padding:var(--ds-space-8) 0;color:var(--ds-text-muted);border-block:var(--ds-border-width) solid var(--ds-border-subtle);font-size:var(--ds-type-label-size);line-height:var(--ds-type-label-line)}.ds-work-part-card{display:flex;box-sizing:border-box;min-width:0;min-height:228px;flex-direction:column;gap:var(--ds-space-3-5);padding:var(--ds-layout-container-inset);color:var(--ds-text);background:var(--ds-surface-section);border:var(--ds-border-width) solid var(--ds-border-subtle);border-radius:var(--ds-radius-card);box-shadow:var(--ds-shadow-resting);font-family:var(--ds-font-family-ui);font-size:var(--ds-type-ui-size);letter-spacing:var(--ds-type-ui-tracking);line-height:var(--ds-type-ui-line)}.ds-work-part-card__head{display:flex;min-width:0;align-items:center;justify-content:space-between;gap:var(--ds-space-3)}.ds-work-part-card__kind,.ds-work-part-card__body p,.ds-work-part-card__progress>div>span,.ds-work-part-card__progress 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var(--ds-space-4);padding-top:var(--ds-space-0-5)}.auth-v2-field__label-row{min-width:0;display:flex;align-items:baseline;justify-content:space-between;gap:var(--ds-space-3)}.auth-v2-field__label-row>label{min-width:0}.auth-v2-invite-row{margin-top:var(--ds-space-2);padding-top:var(--ds-space-5);border-top:1px solid var(--auth-line)}.auth-v2-invite{min-height:56px;display:flex;align-items:center;gap:var(--ds-space-3);padding:var(--ds-space-3) var(--ds-space-4);border:1px solid var(--auth-line);border-radius:var(--ds-radius-card);background:var(--ds-memo-surface);color:var(--auth-text);text-decoration:none;transition:background-color var(--ds-motion-fast) ease,border-color var(--ds-motion-fast) ease}.auth-v2-invite:hover{border-color:var(--auth-line-strong);background:var(--auth-soft)}.auth-v2-invite:focus-visible{outline:2px solid 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)}.student-platform-header:has(>.student-platform-sections){grid-template-areas:"menu session brand" "modes modes modes" "sections sections sections";grid-template-rows:var(--platform-header-bar-height) var(--platform-header-modes-height) var(--platform-header-sections-height)}.student-platform-header[data-layout^=row]:has(>.student-platform-sections){grid-template-areas:"start modes end" "sections sections sections";grid-template-rows:var(--platform-header-bar-height) var(--platform-header-sections-height)}.student-platform-shell:has(.student-platform-header>.student-platform-sections){--platform-header-height: calc( var(--platform-header-bar-height) + var(--platform-header-modes-height) + var(--platform-header-sections-height) + var(--ds-space-1) + var(--ds-space-2) + var(--ds-space-2) + var(--ds-space-2) + var(--ds-border-width, 1px) )}.student-platform-shell:has(.student-platform-header[data-layout^=row]>.student-platform-sections){--platform-header-height: calc( 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32px);padding:0 var(--ds-space-3);color:inherit;background:var(--platform-surface-soft);border:var(--ds-border-width, 1px) solid var(--platform-border);border-radius:var(--ds-radius-pill);font-size:var(--ds-type-button-size);font-weight:var(--ds-type-label-weight);line-height:var(--ds-type-button-line);white-space:nowrap;transition:color var(--ds-motion-fast) ease,background-color var(--ds-motion-fast) ease}.student-platform-sections__item:hover .student-platform-sections__pill{color:var(--platform-text)}.student-platform-sections__item.is-active .student-platform-sections__pill{color:var(--platform-surface);background:var(--platform-text);border-color:var(--platform-text)}.student-platform-sections__item.is-locked .student-platform-sections__pill{color:var(--platform-text-faint, var(--ds-text-muted))}.student-platform-sections__part{display:grid;width:var(--ds-space-5);height:var(--ds-space-5);box-sizing:border-box;border:calc(var(--ds-border-width, 1px) * 1.5) solid 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solid var(--platform-border);box-shadow:var(--platform-drawer-shadow);opacity:0;transform:translate(-105%);transition:transform var(--ds-motion-panel, .24s) var(--ds-ease-expand, cubic-bezier(.22, 1, .36, 1)),opacity var(--ds-motion-standard, .18s) ease,visibility 0s linear var(--ds-motion-panel, .24s)}.student-platform-shell .student-platform-sidebar.is-mobile-drawer.is-open,.student-platform-shell[data-platform-context=main] .student-platform-sidebar.is-mobile-drawer.is-open{visibility:visible;opacity:1;transform:translate(0);transition-delay:0s}.student-platform-sidebar__backdrop{position:fixed;z-index:1200;inset:0;display:block;width:100%;height:100dvh;padding:0;background:var(--ds-overlay-drawer);border:0;border-radius:0;cursor:pointer;backdrop-filter:blur(1px);-webkit-backdrop-filter:blur(1px)}.student-platform-sidebar__mobile-header{display:flex;min-width:0;min-height:60px;align-items:center;justify-content:space-between;gap:var(--ds-space-4);padding:var(--ds-space-2) var(--ds-space-2-5) var(--ds-space-2) var(--ds-space-4);border-bottom:1px solid var(--platform-border)}.student-platform-sidebar__mobile-header strong{color:var(--platform-text);font-size:var(--ds-type-body-size);font-weight:600;letter-spacing:.02em}.student-platform-sidebar__mobile-close{display:grid;width:var(--ds-control-height-cta, 44px);height:var(--ds-control-height-cta, 44px);flex:0 0 auto;padding:0;color:var(--platform-text-soft);background:transparent;border:0;border-radius:var(--ds-radius-card);cursor:pointer;place-items:center}.student-platform-sidebar__mobile-close:hover{color:var(--platform-text);background:var(--platform-surface-soft)}.student-platform-sidebar__mobile-close:focus-visible{outline:2px solid var(--platform-focus);outline-offset:2px}main.student-platform-shell__content.app-content,main.student-platform-shell__content--profile-main.app-content,main.student-platform-shell__content--profile-settings.app-content,main.student-platform-shell__content--profile-analytics.app-content,main.student-platform-shell__content--profile-support.app-content,main.student-platform-shell__content--workspace.app-content{width:100%;min-width:0;max-width:100%;margin-inline:0}.student-platform-shell__content{min-height:calc(100dvh - var(--platform-header-height));padding-inline:var(--ds-layout-page-gutter, 20px);overflow-x:hidden}main.student-platform-shell__content--part1-hub.app-content{--part1-hub-gutter: var(--ds-layout-page-gutter, 20px)}.part1-practice-navigation__inner{flex-wrap:wrap;gap:var(--ds-space-1) var(--ds-space-4);padding:var(--ds-space-2) var(--ds-space-4)}.part1-practice-navigation__inner>.context-back-link{margin-left:auto}.test-context-navigation{width:calc(100% + 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var(--ds-space-2));min-height:calc(var(--ds-control-height-large) + var(--ds-space-2))}html[data-ege-phone-landscape] .student-platform-theme svg{width:24px;height:24px}html[data-ege-phone-landscape] :is(.student-platform-sidebar__item,.student-platform-sidebar__logout){min-height:52px}html[data-ege-phone-landscape] :is(.student-platform-sidebar__item,.student-platform-sidebar__logout)>svg{width:24px;height:24px}html[data-ege-phone-landscape] .student-platform-sidebar__part-icon{width:24px;height:24px;font-size:var(--ds-type-caption-size)}html[data-ege-phone-landscape] .student-platform-sidebar:not(.is-mobile-drawer) .student-platform-sidebar__navigation{padding-top:clamp(var(--ds-space-4),calc(100dvh - 553px),var(--platform-header-height))}html[data-ege-phone-landscape] .student-platform-sidebar .student-platform-sidebar__toggle:not(:focus-visible){opacity:0;pointer-events:none}