:root{--_p-ink-50: #F7F5F0;--_p-ink-100: #E9E7E0;--_p-ink-200: #C9C7BE;--_p-ink-300: #8B8D93;--_p-ink-400: #5A5E66;--_p-ink-500: #3A3E46;--_p-ink-600: #252932;--_p-ink-700: #1A1F26;--_p-ink-800: #15181E;--_p-ink-900: #0B0D10;--_p-paper-50: #FFFFFF;--_p-paper-100: #FCFBF8;--_p-paper-200: #F7F5F0;--_p-paper-300: #EDE9E0;--_p-paper-400: #DAD6CC;--_p-brand-50: #EEFBE0;--_p-brand-100: #D6F5B5;--_p-brand-200: #B6EC7A;--_p-brand-300: #7BE53A;--_p-brand-400: #58CC02;--_p-brand-500: #4D871A;--_p-brand-600: #3C6A14;--_p-brand-700: #2C4E0F;--_p-brand-800: #1D3409;--_p-brand-900: #0F1C04;--_p-instructive-50: #EEF4FF;--_p-instructive-100: #D8E6FF;--_p-instructive-200: #A9C6FF;--_p-instructive-300: #7BA5FF;--_p-instructive-400: #5483F5;--_p-instructive-500: #3B66E0;--_p-instructive-600: #2E4FC2;--_p-instructive-700: #23399A;--_p-instructive-800: #192770;--_p-instructive-900: #0F174A;--_p-success-50: #E8F9EE;--_p-success-100: #C5F1D5;--_p-success-200: #86E0A8;--_p-success-300: #4ECB83;--_p-success-400: #26B368;--_p-success-500: #159753;--_p-success-600: #0D7A42;--_p-success-700: #0A5D33;--_p-success-800: #084425;--_p-success-900: #052E19;--_p-warning-50: #FFF7E6;--_p-warning-100: #FFE9B8;--_p-warning-200: #FFD37A;--_p-warning-300: #FFBC3D;--_p-warning-400: #F5A300;--_p-warning-500: #D48700;--_p-warning-600: #A86A00;--_p-warning-700: #7A4D00;--_p-warning-800: #523300;--_p-warning-900: #2E1C00;--_p-critical-50: #FFEEEE;--_p-critical-100: #FFD1D1;--_p-critical-200: #FFA3A3;--_p-critical-300: #FF7171;--_p-critical-400: #F24747;--_p-critical-500: #D02A2A;--_p-critical-600: #A31C1C;--_p-critical-700: #771212;--_p-critical-800: #500A0A;--_p-critical-900: #2E0404;--_p-neutral-50: #F2F3F5;--_p-neutral-100: #DFE2E7;--_p-neutral-200: #BEC4CD;--_p-neutral-300: #8F96A1;--_p-neutral-400: #646A75;--_p-neutral-500: #454B54;--_p-neutral-600: #2E333B;--_p-neutral-700: #1F242B;--_p-neutral-800: #141820;--_p-neutral-900: #0B0E14;--_p-gold-50: #FFF8E0;--_p-gold-100: #FFECA3;--_p-gold-200: #FFDB5E;--_p-gold-300: #FFC800;--_p-gold-400: #E0AE00;--_p-gold-500: #B38A00;--_p-cream: #F0DEBB;--brand-gradient-gold: linear-gradient(135deg, #F0DEBB 0%, #FFC800 100%);--brand-gradient-dark: linear-gradient(180deg, #333947 0%, #15181E 60%, #000 100%);--_p-purple-300: #CE82FF;--_p-purple-400: #A855F7;--_p-purple-500: #7E3AF2}:root{--font-sans: "Inter Variable", "Inter", "DIN Round Pro", "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;--font-serif: "Instrument Serif", "Fraunces", Georgia, serif;--font-mono: "JetBrains Mono", "SF Mono", Menlo, monospace;--font-size-11: .6875rem;--font-size-12: .75rem;--font-size-13: .8125rem;--font-size-15: .9375rem;--font-size-17: 1.0625rem;--font-size-20: 1.25rem;--font-size-26: 1.625rem;--font-size-34: 2.125rem;--font-size-48: 3rem;--font-size-64: 4rem;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-bold: 700;--font-weight-black: 900;--line-height-tight: 1.15;--line-height-snug: 1.3;--line-height-normal: 1.5;--line-height-loose: 1.7;--letter-spacing-tight: -.02em;--letter-spacing-normal: 0;--letter-spacing-wide: .04em;--type-display-1-size: var(--font-size-64);--type-display-1-leading: 1.05;--type-display-1-tracking:-.025em;--type-display-1-weight: var(--font-weight-black);--type-display-2-size: var(--font-size-48);--type-display-2-leading: 1.08;--type-display-2-tracking:-.02em;--type-display-2-weight: var(--font-weight-black);--type-headline-size: var(--font-size-34);--type-headline-leading: 1.15;--type-headline-tracking:-.015em;--type-headline-weight: var(--font-weight-bold);--type-title-size: var(--font-size-26);--type-title-leading: 1.2;--type-title-tracking:-.01em;--type-title-weight: var(--font-weight-bold);--type-subtitle-size: var(--font-size-20);--type-subtitle-leading: 1.3;--type-subtitle-tracking:-.005em;--type-subtitle-weight: var(--font-weight-bold);--type-body-size: var(--font-size-15);--type-body-leading: 1.55;--type-body-tracking:0;--type-body-weight: var(--font-weight-regular);--type-body-strong-size: var(--font-size-15);--type-body-strong-leading: 1.55;--type-body-strong-tracking:0;--type-body-strong-weight: var(--font-weight-medium);--type-label-size: var(--font-size-13);--type-label-leading: 1.4;--type-label-tracking:.01em;--type-label-weight: var(--font-weight-medium);--type-caption-size: var(--font-size-12);--type-caption-leading: 1.4;--type-caption-tracking:.02em;--type-caption-weight: var(--font-weight-medium);--type-overline-size: var(--font-size-11);--type-overline-leading: 1.3;--type-overline-tracking:.08em;--type-overline-weight: var(--font-weight-bold);--type-mono-size: var(--font-size-13);--type-mono-leading: 1.5;--type-mono-tracking:0;--type-mono-weight: var(--font-weight-medium);--icon-sm: 16px;--icon-md: 20px;--icon-lg: 24px;--icon-xl: 32px;--icon-stroke: 1.75;--space-0: 0;--space-1: 2px;--space-2: 4px;--space-3: 8px;--space-4: 12px;--space-5: 16px;--space-6: 20px;--space-7: 24px;--space-8: 32px;--space-9: 40px;--space-10: 48px;--space-11: 64px;--space-12: 80px;--space-13: 96px;--space-14: 128px;--space-15: 160px;--bp-sm: 480px;--bp-md: 768px;--bp-lg: 1024px;--bp-xl: 1440px;--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--radius-pill: 999px;--motion-spring-gentle: cubic-bezier(.2, .8, .2, 1);--motion-spring-snappy: cubic-bezier(.34, 1.2, .4, 1);--motion-spring-bouncy: cubic-bezier(.68, -.35, .27, 1.55);--motion-ease-out: cubic-bezier(.16, 1, .3, 1);--motion-ease-in-out: cubic-bezier(.4, 0, .2, 1);--motion-dur-instant: 80ms;--motion-dur-quick: .16s;--motion-dur-smooth: .28s;--motion-dur-slow: .42s;--motion-dur-slower: .72s}:root[data-theme=default],:root[data-theme=light],:root[data-theme=cyberpunk]{color-scheme:light;--core-bg-base-subtle: var(--_p-paper-200);--core-bg-base-default: var(--_p-paper-100);--core-bg-base-strong: var(--_p-paper-50);--core-bg-elevated: var(--_p-paper-50);--core-bg-overlay: color-mix(in srgb, var(--_p-ink-900) 28%, transparent);--core-bg-frosted: color-mix(in srgb, var(--_p-paper-100) 78%, transparent);--core-fg-base-strong: var(--_p-ink-900);--core-fg-base-default: var(--_p-ink-700);--core-fg-base-subtle: var(--_p-ink-500);--core-fg-base-dim: var(--_p-ink-400);--core-border-base-subtle: color-mix(in srgb, var(--_p-ink-900) 6%, transparent);--core-border-base-default: color-mix(in srgb, var(--_p-ink-900) 12%, transparent);--core-border-base-strong: color-mix(in srgb, var(--_p-ink-900) 22%, transparent);--core-bg-instructive-subtle: color-mix(in srgb, var(--_p-instructive-400) 10%, var(--_p-paper-100));--core-bg-instructive-default: var(--_p-instructive-500);--core-bg-instructive-strong: var(--_p-instructive-600);--core-fg-instructive-default: var(--_p-instructive-600);--core-fg-instructive-strong: var(--_p-instructive-700);--core-fg-on-instructive: var(--_p-paper-50);--core-border-instructive: var(--_p-instructive-500);--core-fg-brand-default: var(--_p-brand-500);--core-fg-brand-strong: var(--_p-brand-600);--core-bg-brand-subtle: color-mix(in srgb, var(--_p-brand-400) 14%, var(--_p-paper-100));--core-bg-brand-default: var(--_p-brand-400);--core-bg-brand-strong: var(--_p-brand-500);--core-fg-on-brand: var(--_p-paper-50);--core-border-brand: var(--_p-brand-500);--core-gradient-brand: linear-gradient(135deg, var(--_p-brand-300) 0%, var(--_p-brand-500) 100%);--core-bg-success-subtle: color-mix(in srgb, var(--_p-success-400) 12%, var(--_p-paper-100));--core-bg-success-default: var(--_p-success-600);--core-bg-success-strong: var(--_p-success-700);--core-fg-success-default: var(--_p-success-600);--core-fg-success-strong: var(--_p-success-700);--core-fg-on-success: var(--_p-paper-50);--core-border-success: var(--_p-success-500);--core-bg-warning-subtle: color-mix(in srgb, var(--_p-warning-400) 14%, var(--_p-paper-100));--core-bg-warning-default: var(--_p-warning-500);--core-bg-warning-strong: var(--_p-warning-600);--core-fg-warning-default: var(--_p-warning-600);--core-fg-warning-strong: var(--_p-warning-700);--core-fg-on-warning: var(--_p-ink-900);--core-border-warning: var(--_p-warning-500);--core-bg-critical-subtle: color-mix(in srgb, var(--_p-critical-400) 12%, var(--_p-paper-100));--core-bg-critical-default: var(--_p-critical-500);--core-bg-critical-strong: var(--_p-critical-600);--core-fg-critical-default: var(--_p-critical-600);--core-fg-critical-strong: var(--_p-critical-700);--core-fg-on-critical: var(--_p-paper-50);--core-border-critical: var(--_p-critical-500);--core-bg-knockout: var(--_p-ink-900);--core-fg-knockout: var(--_p-paper-100);--core-bg-neutral-subtle: var(--_p-paper-200);--core-bg-neutral-default: var(--_p-paper-300);--core-bg-neutral-strong: var(--_p-paper-400);--core-fg-neutral: var(--_p-ink-500);--core-border-neutral-subtle: color-mix(in srgb, var(--_p-ink-900) 6%, transparent);--core-border-neutral: color-mix(in srgb, var(--_p-ink-900) 14%, transparent);--core-shadow-xs: 0 1px 2px color-mix(in srgb, var(--_p-ink-900) 10%, transparent);--core-shadow-sm: 0 2px 6px color-mix(in srgb, var(--_p-ink-900) 12%, transparent);--core-shadow-md: 0 8px 20px color-mix(in srgb, var(--_p-ink-900) 15%, transparent), 0 2px 4px color-mix(in srgb, var(--_p-ink-900) 8%, transparent);--core-shadow-lg: 0 18px 40px color-mix(in srgb, var(--_p-ink-900) 20%, transparent), 0 4px 8px color-mix(in srgb, var(--_p-ink-900) 10%, transparent);--core-shadow-ring-instructive: 0 0 0 3px color-mix(in srgb, var(--_p-instructive-500) 30%, transparent);--core-shadow-ring-critical: 0 0 0 3px color-mix(in srgb, var(--_p-critical-500) 28%, transparent);--board-bg-light: #F2ECD9;--board-bg-dark: #90A8C2;--board-fg-square-label: color-mix(in srgb, var(--_p-ink-900) 60%, transparent);--board-fg-selected: color-mix(in srgb, var(--_p-instructive-500) 38%, transparent);--board-fg-legal-move: color-mix(in srgb, var(--_p-instructive-500) 30%, transparent);--board-fg-last-move: color-mix(in srgb, var(--_p-warning-500) 32%, transparent);--board-fg-check: color-mix(in srgb, var(--_p-critical-500) 45%, transparent);--board-fg-arrow-best: var(--_p-success-500);--board-fg-arrow-hint: var(--_p-instructive-500);--board-fg-arrow-threat: var(--_p-critical-500);--learning-bg-lesson-card: var(--core-bg-elevated);--learning-border-lesson-card: var(--core-border-base-default);--learning-bg-correct: var(--core-bg-success-subtle);--learning-bg-incorrect: var(--core-bg-critical-subtle);--learning-fg-brilliant: var(--_p-instructive-700);--learning-fg-best: var(--_p-success-700);--learning-fg-good: var(--_p-success-600);--learning-fg-inaccuracy: var(--_p-warning-700);--learning-fg-mistake: var(--_p-warning-600);--learning-fg-blunder: var(--_p-critical-600);--section-home-accent: var(--_p-brand-400);--section-home-soft: color-mix(in srgb, var(--_p-brand-400) 16%, var(--_p-paper-100));--section-home-ink: var(--_p-brand-700);--section-play-accent: var(--_p-instructive-400);--section-play-soft: color-mix(in srgb, var(--_p-instructive-400) 14%, var(--_p-paper-100));--section-play-ink: var(--_p-instructive-700);--section-train-accent: var(--_p-warning-400);--section-train-soft: color-mix(in srgb, var(--_p-warning-400) 18%, var(--_p-paper-100));--section-train-ink: var(--_p-warning-700);--section-learn-accent: var(--_p-purple-400);--section-learn-soft: color-mix(in srgb, var(--_p-purple-400) 18%, var(--_p-paper-100));--section-learn-ink: #4D1A8A;--section-you-accent: var(--_p-gold-300);--section-you-soft: color-mix(in srgb, var(--_p-gold-300) 22%, var(--_p-paper-100));--section-you-ink: #6A4D00;--section-settings-accent: var(--_p-ink-700);--section-settings-soft: color-mix(in srgb, var(--_p-ink-700) 14%, var(--_p-paper-100));--section-settings-ink: var(--_p-ink-900);--section-accent: var(--section-home-accent);--section-soft: var(--section-home-soft);--section-ink: var(--section-home-ink);--duo-rest: 0;--duo-press: 4px;--duo-shadow-instructive: 0 4px 0 0 var(--_p-instructive-600), 0 6px 14px color-mix(in srgb, var(--_p-instructive-600) 22%, transparent);--duo-shadow-success: 0 4px 0 0 var(--_p-success-600), 0 6px 14px color-mix(in srgb, var(--_p-success-600) 22%, transparent);--duo-shadow-warning: 0 4px 0 0 var(--_p-warning-500), 0 6px 14px color-mix(in srgb, var(--_p-warning-500) 22%, transparent);--duo-shadow-critical: 0 4px 0 0 var(--_p-critical-600), 0 6px 14px color-mix(in srgb, var(--_p-critical-600) 22%, transparent);--duo-shadow-brand: 0 4px 0 0 var(--_p-brand-600), 0 6px 14px color-mix(in srgb, var(--_p-brand-600) 26%, transparent);--duo-shadow-neutral: 0 4px 0 0 color-mix(in srgb, var(--_p-ink-900) 16%, transparent), 0 6px 14px color-mix(in srgb, var(--_p-ink-900) 14%, transparent);--duo-shadow-section: 0 4px 0 0 var(--section-ink), 0 6px 14px color-mix(in srgb, var(--section-ink) 22%, transparent);--duo-bubble-bg: var(--core-bg-elevated);--duo-bubble-border: var(--core-border-base-default);--duo-bubble-tail-bg: var(--core-bg-elevated);--duo-node-locked-bg: color-mix(in srgb, var(--_p-ink-900) 8%, transparent);--duo-node-locked-fg: var(--_p-ink-400);--duo-node-current-bg: var(--_p-brand-400);--duo-node-current-fg: var(--_p-paper-50);--duo-node-done-bg: var(--_p-brand-500);--duo-node-done-fg: var(--_p-paper-100);--duo-reward-bg: var(--_p-gold-300);--duo-reward-fg: #4A3300;--duo-reward-shadow: 0 3px 0 0 var(--_p-gold-500)}:root[data-theme=dark]{color-scheme:dark;--core-bg-base-subtle: var(--_p-ink-900);--core-bg-base-default: var(--_p-ink-800);--core-bg-base-strong: var(--_p-ink-700);--core-bg-elevated: var(--_p-ink-700);--core-bg-overlay: color-mix(in srgb, #000 60%, transparent);--core-bg-frosted: color-mix(in srgb, var(--_p-ink-800) 78%, transparent);--core-fg-base-strong: var(--_p-paper-50);--core-fg-base-default: var(--_p-paper-200);--core-fg-base-subtle: var(--_p-ink-200);--core-fg-base-dim: var(--_p-ink-300);--core-border-base-subtle: color-mix(in srgb, var(--_p-paper-50) 6%, transparent);--core-border-base-default: color-mix(in srgb, var(--_p-paper-50) 12%, transparent);--core-border-base-strong: color-mix(in srgb, var(--_p-paper-50) 24%, transparent);--core-bg-instructive-subtle: color-mix(in srgb, var(--_p-instructive-400) 18%, var(--_p-ink-800));--core-bg-instructive-default: var(--_p-instructive-500);--core-bg-instructive-strong: var(--_p-instructive-400);--core-fg-instructive-default: var(--_p-instructive-300);--core-fg-instructive-strong: var(--_p-instructive-200);--core-fg-on-instructive: var(--_p-paper-50);--core-border-instructive: var(--_p-instructive-400);--core-fg-brand-default: var(--_p-brand-300);--core-fg-brand-strong: var(--_p-brand-200);--core-bg-brand-subtle: color-mix(in srgb, var(--_p-brand-400) 20%, var(--_p-ink-800));--core-bg-brand-default: var(--_p-brand-400);--core-bg-brand-strong: var(--_p-brand-500);--core-fg-on-brand: var(--_p-ink-900);--core-border-brand: var(--_p-brand-400);--core-gradient-brand: linear-gradient(135deg, var(--_p-brand-300) 0%, var(--_p-brand-500) 100%);--core-bg-success-subtle: color-mix(in srgb, var(--_p-success-400) 18%, var(--_p-ink-800));--core-bg-success-default: var(--_p-success-500);--core-bg-success-strong: var(--_p-success-400);--core-fg-success-default: var(--_p-success-300);--core-fg-success-strong: var(--_p-success-200);--core-fg-on-success: var(--_p-ink-900);--core-border-success: var(--_p-success-400);--core-bg-warning-subtle: color-mix(in srgb, var(--_p-warning-400) 22%, var(--_p-ink-800));--core-bg-warning-default: var(--_p-warning-400);--core-bg-warning-strong: var(--_p-warning-300);--core-fg-warning-default: var(--_p-warning-300);--core-fg-warning-strong: var(--_p-warning-200);--core-fg-on-warning: var(--_p-ink-900);--core-border-warning: var(--_p-warning-400);--core-bg-critical-subtle: color-mix(in srgb, var(--_p-critical-400) 18%, var(--_p-ink-800));--core-bg-critical-default: var(--_p-critical-500);--core-bg-critical-strong: var(--_p-critical-400);--core-fg-critical-default: var(--_p-critical-300);--core-fg-critical-strong: var(--_p-critical-200);--core-fg-on-critical: var(--_p-paper-50);--core-border-critical: var(--_p-critical-400);--core-bg-knockout: var(--_p-paper-100);--core-fg-knockout: var(--_p-ink-900);--core-bg-neutral-subtle: var(--_p-ink-800);--core-bg-neutral-default: var(--_p-ink-700);--core-bg-neutral-strong: var(--_p-ink-600);--core-fg-neutral: var(--_p-ink-200);--core-border-neutral-subtle: color-mix(in srgb, var(--_p-paper-50) 6%, transparent);--core-border-neutral: color-mix(in srgb, var(--_p-paper-50) 14%, transparent);--core-shadow-xs: 0 1px 2px color-mix(in srgb, #000 40%, transparent);--core-shadow-sm: 0 2px 6px color-mix(in srgb, #000 45%, transparent);--core-shadow-md: 0 8px 20px color-mix(in srgb, #000 50%, transparent), 0 2px 4px color-mix(in srgb, #000 30%, transparent);--core-shadow-lg: 0 18px 40px color-mix(in srgb, #000 60%, transparent), 0 4px 8px color-mix(in srgb, #000 40%, transparent);--board-bg-light: #B3A88A;--board-bg-dark: #4D5C70;--board-fg-square-label: color-mix(in srgb, var(--_p-paper-50) 60%, transparent);--learning-bg-lesson-card: var(--core-bg-elevated);--learning-border-lesson-card: var(--core-border-base-default);--learning-bg-correct: var(--core-bg-success-subtle);--learning-bg-incorrect: var(--core-bg-critical-subtle);--learning-fg-brilliant: var(--_p-instructive-200);--learning-fg-best: var(--_p-success-200);--learning-fg-good: var(--_p-success-300);--learning-fg-inaccuracy: var(--_p-warning-200);--learning-fg-mistake: var(--_p-warning-300);--learning-fg-blunder: var(--_p-critical-300);--section-home-soft: color-mix(in srgb, var(--_p-brand-400) 22%, var(--_p-ink-800));--section-home-ink: var(--_p-brand-200);--section-play-soft: color-mix(in srgb, var(--_p-instructive-400) 22%, var(--_p-ink-800));--section-play-ink: var(--_p-instructive-200);--section-train-soft: color-mix(in srgb, var(--_p-warning-400) 22%, var(--_p-ink-800));--section-train-ink: var(--_p-warning-200);--section-learn-soft: color-mix(in srgb, var(--_p-purple-400) 24%, var(--_p-ink-800));--section-learn-ink: var(--_p-purple-300);--section-you-soft: color-mix(in srgb, var(--_p-gold-300) 22%, var(--_p-ink-800));--section-you-ink: var(--_p-gold-200);--section-settings-accent: var(--_p-paper-100);--section-settings-soft: color-mix(in srgb, var(--_p-paper-100) 14%, var(--_p-ink-800));--section-settings-ink: var(--_p-paper-200);--duo-bubble-bg: var(--core-bg-elevated);--duo-bubble-border: var(--core-border-base-default);--duo-bubble-tail-bg: var(--core-bg-elevated);--duo-node-locked-bg: color-mix(in srgb, var(--_p-paper-50) 8%, transparent);--duo-node-locked-fg: var(--_p-ink-200);--duo-node-current-fg: var(--_p-ink-900);--duo-node-done-fg: var(--_p-ink-900)}:root{color-scheme:dark;--core-fg-instructive-strong: 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#00000080}.drawer.open.svelte-1xw7rmc{transform:translate(0)}.drawer-head.svelte-1xw7rmc{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 10px;border-bottom:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .06))}.drawer-brand.svelte-1xw7rmc{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--core-fg-base-strong, #f7f9fa);font-weight:900;font-size:15px;letter-spacing:.01em}.drawer-brand.svelte-1xw7rmc img:where(.svelte-1xw7rmc){width:28px;height:28px;object-fit:contain}.drawer-close.svelte-1xw7rmc{width:36px;height:36px;border-radius:10px;background:transparent;border:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .1));color:var(--core-fg-base-subtle, #c0c5cd);display:grid;place-items:center;cursor:pointer}.drawer-nav.svelte-1xw7rmc{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px;padding:12px 10px}.drawer-item.svelte-1xw7rmc{display:flex;align-items:center;gap:12px;padding:12px;border-radius:12px;text-decoration:none;color:var(--core-fg-base-subtle, #c0c5cd);font-weight:800;font-size:15px;letter-spacing:.01em;-webkit-tap-highlight-color:transparent}.drawer-item.svelte-1xw7rmc{--item-accent: var(--_p-paper-200);--item-soft: var(--core-bg-neutral-subtle);--item-ink: var(--core-border-base-default)}.drawer-item[data-section-id=home].svelte-1xw7rmc{--item-accent: var(--section-home-accent);--item-soft: var(--section-home-soft);--item-ink: var(--section-home-ink)}.drawer-item[data-section-id=play].svelte-1xw7rmc{--item-accent: var(--section-play-accent);--item-soft: var(--section-play-soft);--item-ink: var(--section-play-ink)}.drawer-item[data-section-id=train].svelte-1xw7rmc{--item-accent: var(--section-train-accent);--item-soft: var(--section-train-soft);--item-ink: var(--section-train-ink)}.drawer-item[data-section-id=learn].svelte-1xw7rmc{--item-accent: var(--section-learn-accent);--item-soft: var(--section-learn-soft);--item-ink: var(--section-learn-ink)}.drawer-item[data-section-id=you].svelte-1xw7rmc{--item-accent: var(--section-you-accent);--item-soft: var(--section-you-soft);--item-ink: var(--section-you-ink)}.drawer-item.svelte-1xw7rmc:hover{background:var(--item-soft);color:var(--item-accent)}.drawer-item.active.svelte-1xw7rmc{background:var(--item-soft);color:var(--item-accent);border:2px solid var(--item-accent);box-shadow:0 4px 0 0 var(--item-ink)}.drawer-item-icon.svelte-1xw7rmc{display:grid;place-items:center;width:28px;height:28px;flex-shrink:0}.drawer-foot.svelte-1xw7rmc{display:flex;flex-direction:column;gap:10px;padding:14px 14px calc(14px + var(--safe-b, 0px));border-top:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .06))}.drawer-search.svelte-1xw7rmc{display:inline-flex;align-items:center;gap:8px;background:var(--core-bg-base-subtle, rgba(255, 255, 255, .04));border:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .1));color:var(--core-fg-base-subtle, #c0c5cd);border-radius:10px;padding:10px 12px;font-size:13px;font-weight:700;cursor:pointer}.drawer-search.svelte-1xw7rmc kbd:where(.svelte-1xw7rmc){margin-left:auto;font-family:var(--font-mono, monospace);font-size:11px;background:none;padding:0;color:var(--core-fg-base-dim, #777)}.drawer-auth.svelte-1xw7rmc{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px 14px;border-radius:var(--radius-pill, 999px);font-family:var(--font-sans);font-size:14px;font-weight:900;letter-spacing:.02em;text-decoration:none;cursor:pointer;border:1px solid transparent;-webkit-tap-highlight-color:transparent}.drawer-auth-in.svelte-1xw7rmc{background:linear-gradient(180deg,var(--_p-gold-300, #ffc800) 0%,var(--_p-gold-400, #e6a600) 100%);color:#1a0f00;border-color:color-mix(in srgb,var(--_p-gold-300, #ffc800) 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#888);font-size:10px;font-weight:700;letter-spacing:.02em;-webkit-tap-highlight-color:transparent;transition:color var(--motion-dur-quick, .16s),background var(--motion-dur-quick, .16s)}.btab[data-section-id=home].svelte-1xw7rmc{--item-accent: var(--section-home-accent);--item-soft: var(--section-home-soft)}.btab[data-section-id=play].svelte-1xw7rmc{--item-accent: var(--section-play-accent);--item-soft: var(--section-play-soft)}.btab[data-section-id=train].svelte-1xw7rmc{--item-accent: var(--section-train-accent);--item-soft: var(--section-train-soft)}.btab[data-section-id=learn].svelte-1xw7rmc{--item-accent: var(--section-learn-accent);--item-soft: var(--section-learn-soft)}.btab[data-section-id=you].svelte-1xw7rmc{--item-accent: var(--section-you-accent);--item-soft: var(--section-you-soft)}.btab.active.svelte-1xw7rmc{color:var(--item-accent, var(--_p-gold-300, #ffc800));background:var(--item-soft, rgba(255, 200, 0, .1))}.btab.svelte-1xw7rmc:not(.active):active{background:var(--core-bg-neutral-subtle, rgba(255, 255, 255, .06))}.btab-icon.svelte-1xw7rmc{display:grid;place-items:center}.btab-label.svelte-1xw7rmc{line-height:1}@media(max-width:768px){.rail.svelte-1xw7rmc,.hamburger.svelte-1xw7rmc{display:none}.bottom-tabs.svelte-1xw7rmc{display:flex}}@media(prefers-reduced-motion:reduce){.drawer.svelte-1xw7rmc{transition:none}.drawer-backdrop.svelte-1xw7rmc{animation:none}.btab.svelte-1xw7rmc{transition:none}}@media(prefers-reduced-motion:reduce){.rail-item.svelte-1xw7rmc,.rail-icon.svelte-1xw7rmc,.rail-brand.svelte-1xw7rmc img:where(.svelte-1xw7rmc),.rail-cmdk.svelte-1xw7rmc{transition:none}.rail-brand.svelte-1xw7rmc:hover img:where(.svelte-1xw7rmc){transform:none}}.ctx-rail.svelte-i7qtph{position:sticky;top:0;z-index:var(--z-sticky, 40);background:var(--core-bg-base-default, #0b0f14);margin:calc(-1 * var(--space-7, 24px)) calc(-1 * var(--space-7, 24px)) var(--space-6, 20px);padding:var(--space-4, 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#f7f9fa)}.ctx-tab.active.svelte-i7qtph{background:var(--section-accent-soft, var(--core-bg-instructive-subtle, rgba(255, 200, 0, .12)));color:var(--section-accent, var(--_p-gold-300, #ffc800));box-shadow:inset 0 -2px 0 0 var(--section-accent, var(--_p-gold-300, #ffc800))}@media(max-width:768px){.ctx-rail.svelte-i7qtph{margin:calc(-1 * var(--space-5, 16px)) calc(-1 * var(--space-4, 12px)) var(--space-4, 12px);padding:var(--space-3, 8px) var(--space-4, 12px)}}@media(max-width:480px){.ctx-rail.svelte-i7qtph{margin:calc(-1 * var(--space-4, 12px)) calc(-1 * var(--space-4, 12px)) var(--space-4, 12px)}}@media(prefers-reduced-motion:reduce){.ctx-tab.svelte-i7qtph{transition:none}}.cmdk-backdrop.svelte-10u3n9o{position:fixed;inset:0;z-index:var(--z-modal, 200);background:#00000080;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:flex-start;justify-content:center;padding-top:clamp(60px,14vh,160px);animation:svelte-10u3n9o-cmdk-fade var(--motion-dur-quick, .16s) var(--motion-curve-out, ease-out) both}.cmdk-panel.svelte-10u3n9o{width:min(680px,92vw);max-height:70vh;background:var(--core-bg-frosted, #14181f);backdrop-filter:blur(40px) saturate(160%);-webkit-backdrop-filter:blur(40px) saturate(160%);border:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .1));border-radius:var(--radius-lg, 16px);box-shadow:var(--core-shadow-lg, 0 24px 60px rgba(0, 0, 0, .5));display:flex;flex-direction:column;overflow:hidden;animation:svelte-10u3n9o-cmdk-rise var(--motion-dur-smooth, .28s) var(--motion-curve-snappy, ease-out) both}.cmdk-input-row.svelte-10u3n9o{display:flex;align-items:center;gap:var(--space-3, 8px);padding:var(--space-4, 12px) var(--space-5, 16px);border-bottom:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .06))}.cmdk-search-icon.svelte-10u3n9o{color:var(--core-fg-base-subtle, #999);flex-shrink:0}.cmdk-input.svelte-10u3n9o{flex:1;background:none;border:none;outline:none;color:var(--core-fg-base-strong, #f7f9fa);font-family:var(--font-sans);font-size:var(--font-size-15, 15px);font-weight:var(--font-weight-medium, 500)}.cmdk-input.svelte-10u3n9o::placeholder{color:var(--core-fg-base-dim, #6a7178)}.cmdk-esc.svelte-10u3n9o,.cmdk-footer.svelte-10u3n9o kbd:where(.svelte-10u3n9o){font-family:var(--font-mono, monospace);font-size:10px;font-weight:700;color:var(--core-fg-base-subtle, #999);background:var(--core-bg-base-subtle, rgba(255, 255, 255, .05));border:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .08));border-radius:4px;padding:2px 6px}.cmdk-list.svelte-10u3n9o{overflow-y:auto;flex:1;padding:var(--space-2, 4px) 0}.cmdk-group.svelte-10u3n9o{padding:var(--space-2, 4px) 0}.cmdk-group-header.svelte-10u3n9o{display:flex;align-items:center;gap:6px;padding:6px var(--space-5, 16px) 4px;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--core-fg-base-dim, #6a7178)}.cmdk-group-icon.svelte-10u3n9o{color:var(--core-fg-base-dim, #6a7178);display:inline-flex}.cmdk-row.svelte-10u3n9o{width:100%;display:flex;align-items:center;gap:var(--space-3, 10px);padding:9px var(--space-5, 16px);background:none;border:none;color:inherit;font:inherit;text-align:left;cursor:pointer}.cmdk-row.active.svelte-10u3n9o{background:var(--core-bg-instructive-subtle, rgba(255, 200, 0, .1))}.cmdk-row.active.svelte-10u3n9o .cmdk-row-label:where(.svelte-10u3n9o){color:var(--_p-gold-300, #ffc800)}.cmdk-row.active.svelte-10u3n9o .cmdk-row-icon:where(.svelte-10u3n9o){color:var(--_p-gold-300, #ffc800)}.cmdk-row-icon.svelte-10u3n9o{color:var(--core-fg-base-subtle, #999);flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:24px}.cmdk-row-text.svelte-10u3n9o{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px;overflow:hidden}.cmdk-row-label.svelte-10u3n9o{font-size:var(--font-size-14, 14px);font-weight:var(--font-weight-bold, 700);color:var(--core-fg-base-strong, #f7f9fa);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cmdk-row-subtitle.svelte-10u3n9o{font-size:var(--font-size-12, 12px);color:var(--core-fg-base-dim, #6a7178);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cmdk-badge.svelte-10u3n9o{flex-shrink:0;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--core-fg-base-subtle, #999);background:var(--core-bg-base-subtle, rgba(255, 255, 255, .05));border:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .08));border-radius:4px;padding:2px 6px}.cmdk-empty.svelte-10u3n9o{padding:var(--space-7, 24px) var(--space-5, 16px);text-align:center;color:var(--core-fg-base-subtle, #999);font-size:var(--font-size-13, 13px)}.cmdk-hint.svelte-10u3n9o{padding:var(--space-5, 16px) var(--space-5, 16px);color:var(--core-fg-base-dim, #6a7178);font-size:var(--font-size-12, 12px)}.cmdk-hint.svelte-10u3n9o code:where(.svelte-10u3n9o){font-family:var(--font-mono, monospace);font-size:11px;background:var(--core-bg-base-subtle, rgba(255, 255, 255, .05));border:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .08));border-radius:4px;padding:1px 5px;margin:0 2px;color:var(--core-fg-base-subtle, #999)}.cmdk-footer.svelte-10u3n9o{display:flex;align-items:center;justify-content:flex-end;gap:var(--space-5, 16px);padding:var(--space-3, 8px) var(--space-5, 16px);border-top:1px solid var(--core-border-base-subtle, rgba(255, 255, 255, .06));font-size:var(--font-size-11, 11px);color:var(--core-fg-base-dim, #6a7178)}.cmdk-footer.svelte-10u3n9o span:where(.svelte-10u3n9o){display:inline-flex;align-items:center;gap:4px}@keyframes svelte-10u3n9o-cmdk-fade{0%{opacity:0}to{opacity:1}}@keyframes svelte-10u3n9o-cmdk-rise{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.cmdk-backdrop.svelte-10u3n9o,.cmdk-panel.svelte-10u3n9o{animation:none}}@media(max-width:480px){.cmdk-backdrop.svelte-10u3n9o{padding-top:48px;align-items:stretch}.cmdk-panel.svelte-10u3n9o{width:100%;max-height:calc(100vh - 60px);border-radius:var(--radius-lg, 16px) var(--radius-lg, 16px) 0 0}.cmdk-footer.svelte-10u3n9o{flex-wrap:wrap;justify-content:center;gap:8px}.cmdk-footer.svelte-10u3n9o span:where(.svelte-10u3n9o){font-size:10px}}.skip-link{position:absolute;left:-9999px;top:0;z-index:10000;padding:8px 16px;background:var(--core-bg-elevated, #1a1d21);color:var(--core-fg-base-default, #e0e0e0);font-weight:700;border-radius:0 0 8px;text-decoration:none}.skip-link:focus{left:0}:root{--safe-t: env(safe-area-inset-top, 0px);--safe-r: env(safe-area-inset-right, 0px);--safe-b: env(safe-area-inset-bottom, 0px);--safe-l: env(safe-area-inset-left, 0px)}html,body{touch-action:manipulation;-webkit-text-size-adjust:100%;text-size-adjust:100%}[data-touch=board],.chess-board{touch-action:none}[data-touch=pan-y],.scroll-y{touch-action:pan-y}[data-touch=none]{touch-action:none}@view-transition{navigation:auto}::view-transition-old(root),::view-transition-new(root){animation-duration:var(--motion-dur-smooth, .28s);animation-timing-function:var(--motion-ease-out, ease-out)}.footer{view-transition-name:app-chrome}::view-transition-group(app-chrome){animation-duration:0ms}@media(prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation:none}}body{background:var(--core-bg-base-default, #0B0F14);color:var(--core-fg-base-default, #e5e7eb);font-family:var(--font-sans, system-ui);position:relative}body:before{content:"";position:fixed;right:-8vw;bottom:-10vh;width:70vmin;height:70vmin;background-image:url(/brand/knight-glyph.svg);background-repeat:no-repeat;background-size:contain;background-position:bottom right;opacity:.05;filter:brightness(0) saturate(100%) invert(63%) sepia(86%) saturate(589%) hue-rotate(46deg) brightness(96%) contrast(96%);pointer-events:none;z-index:0}main[data-no-watermark]~body:before{display:none}.main,.footer,aside.rail,nav.bottom-tabs{position:relative;z-index:1}body{padding-left:calc(var(--rail-width, 96px) + var(--safe-l));padding-right:var(--safe-r)}.main{padding:var(--space-10, var(--space-10)) var(--space-8, var(--space-7));min-height:calc(100vh - 140px)}@media(max-width:1024px){.main{padding:var(--space-7, 24px) var(--space-5, 16px)}}@media(max-width:768px){body{padding-left:0!important;padding-top:var(--safe-t)!important;padding-bottom:calc(56px + var(--safe-b))!important}.footer{padding-bottom:calc(72px + var(--safe-b))}.main{padding:var(--space-5, 16px) var(--space-5, 16px);min-height:calc(100vh - 200px)}}@media(max-width:480px){.main{padding:var(--space-4, 12px) var(--space-4, 12px)}}.footer{border-top:1px solid var(--core-border-base-subtle, var(--core-border-base-default));padding:var(--space-8, var(--space-7));background:var(--core-bg-base-subtle, transparent)}.footer-inner{display:flex;flex-direction:column;align-items:center;gap:var(--space-4, 12px);font-size:var(--font-size-13, 13px);color:var(--core-fg-base-subtle, var(--core-fg-base-subtle))}.footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-3, 8px) var(--space-7, 20px)}.footer-links a{color:var(--core-fg-base-subtle, var(--core-fg-base-subtle));font-weight:var(--font-weight-bold, 700);transition:color var(--motion-dur-quick, .15s) var(--motion-ease-out, ease-out)}.footer-links a:hover{color:var(--core-fg-instructive-strong, var(--_p-gold-300))}.footer-copy{font-size:var(--font-size-12, 12px);color:var(--core-fg-base-dim, var(--core-fg-base-dim));text-align:center}.footer-credit{font-size:var(--font-size-11, 11px);color:var(--core-fg-base-dim, var(--core-fg-base-dim));font-weight:var(--font-weight-medium, 600);text-align:center}@media(max-width:480px){.footer{padding:var(--space-6, 20px) var(--space-4, 12px)}.footer-links{gap:var(--space-2, 4px) var(--space-5, 16px);font-size:var(--font-size-12, 12px)}}.heart-pulse{display:inline-block;animation:heartPulse 1.2s ease-in-out infinite}@keyframes heartPulse{0%,to{transform:scale(1)}15%{transform:scale(1.25)}30%{transform:scale(1)}45%{transform:scale(1.15)}60%{transform:scale(1)}}@media(prefers-reduced-motion:reduce){.heart-pulse{animation:none}}