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var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)}.ring\!{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor)!important;box-shadow:var(--tw-inset-shadow),var(--tw-inset-ring-shadow),var(--tw-ring-offset-shadow),var(--tw-ring-shadow),var(--tw-shadow)!important}.ring-ring{--tw-ring-color:var(--focus-ring,var(--color-primary))}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) 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var(--tw-backdrop-sepia,)}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}.ease-in-out{--tw-ease:var(--ease-in-out);transition-timing-function:var(--ease-in-out)}.ease-out{--tw-ease:var(--ease-out);transition-timing-function:var(--ease-out)}.\[electron\:dev\]{electron:dev}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property 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2px;--button-motion: .15s var(--ease-default);--button-active-scale: .98;--button-disabled-surface: #3e3c39;--button-disabled-border: #5b5854;--button-disabled-text: #e7e5e4;--z-workspace-panel: rgba(24, 25, 31, .72);--z-workspace-panel-soft: rgba(24, 25, 31, .52);--z-workspace-panel-strong: rgba(24, 25, 31, .86);--z-workspace-panel-border: rgba(255, 255, 255, .1);--z-workspace-panel-highlight: rgba(255, 255, 255, .12);--z-workspace-panel-shadow: 0 18px 48px rgba(0, 0, 0, .28);--z-workspace-panel-blur: 18px;--metal-face: linear-gradient(135deg, #f4f2ee 0%, #e8e6e1 38%, #c9c5bd 100%);--metal-ink: #1a1a1a;--metal-bevel-top: rgba(255, 255, 255, .9);--metal-bevel-bottom: rgba(0, 0, 0, .16);--metal-drop: 0 8px 20px rgba(0, 0, 0, .35);--metal-face-off: linear-gradient(135deg, #4c4a47, #3e3c39);--metal-ink-off: #e7e5e4;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .5);--shadow-xl: 0 20px 25px rgba(0, 0, 0, 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#565d6b;--heat-ink: #ff7a63;--zosan-logo-bg: #e8e8e8;--zosan-logo-fg: #0a0a0a;--brand-divider: #6b7075;--xa-jet: #0a0a0a;--xa-charcoal: #1a1a1a;--xa-umbra: #1f2228;--xa-ink: #24282d;--xa-ash: #2e3033;--xa-steel: #36383a;--xa-fog: #7d8187;--xa-pewter: #a9b2bc;--xa-dove: #d5d9e2;--xa-nimbus: #f1f2f6;--xa-ivory: #f9f8f6;--xa-sunset: #ff6308;--xa-dawn: #ffd085;--xa-dusk: #6c28d9;--xa-twilight: #a689fa;--xa-breeze: #9cb8dd;--xa-ink-90: rgba(255, 255, 255, .9);--xa-ink-inverse: #16181d;--xa-ink-100: #ffffff;--xa-ink-55: rgba(255, 255, 255, .55);--xa-ink-52: rgba(255, 255, 255, .52);--xa-fill-07: rgba(255, 255, 255, .07);--xa-fill-06: rgba(255, 255, 255, .06);--xa-bg-shell: rgba(28, 28, 26, .62);--xa-bg-sidebar: rgba(20, 20, 20, .28);--xa-bg-chat: rgba(38, 38, 38, .84);--xa-bg-composer: rgba(38, 38, 38, .68);--xa-text-aux: max(12.5px, min(.65vw, 1.04vh));--xa-leading-aux: max(16px, min(.83vw, 1.33vh));--xa-text-body: max(14px, min(.73vw, 1.17vh));--xa-leading-body: max(20px, min(1.04vw, 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2.33vh));--xa-home-top: max(54px, 14vh);--xa-home-search-w: max(calc(720 * var(--xa-left-u)), min(37.5vw, 60vh));--xa-home-gap: max(14px, min(1.1vw, 2vh));--xa-home-lead: max(14px, min(.8vw, 1.3vh));--xa-home-cap: max(12.5px, min(.78vw, 1.25vh));--xa-home-card-gap: max(10px, min(.9vw, 1.45vh));--xa-home-card-pad: max(12px, min(1vw, 1.6vh)) max(13px, min(1.1vw, 1.75vh)) max(11px, min(.9vw, 1.45vh));--xa-home-card-title: max(14px, min(.92vw, 1.47vh));--xa-home-point: max(12.5px, min(.76vw, 1.2vh));--xa-home-icon: max(30px, min(2.2vw, 3.5vh));--xa-home-dot: max(18px, min(1.3vw, 2.1vh));--xa-home-dot-text: max(11.5px, min(.68vw, 1.1vh));--xa-home-btn-h: max(42px, min(3vw, 4.8vh));--xa-home-btn-pad-x: max(16px, min(1.25vw, 2vh));--xa-home-btn-text: max(14px, min(.88vw, 1.4vh))}[data-theme=light],:root.light{--bg-page: #fafafa;--bg-surface: #ffffff;--bg-card: #ffffff;--bg-elevated: #ffffff;--bg-hover: rgba(0, 0, 0, .04);--bg-active: rgba(0, 0, 0, .08);--text-primary: #202124;--text-secondary: #505459;--text-tertiary: #6d7278;--text-disabled: #6d7278;--text-inverse: #ffffff;--border-default: #dadce0;--border-light: #e8eaed;--border-hover: #c0c0c0;--border-focus: var(--color-primary);--metal-face: linear-gradient(135deg, #3a3a3d 0%, #232326 38%, #0f0f11 100%);--metal-ink: #f5f5f4;--metal-bevel-top: rgba(255, 255, 255, .22);--metal-bevel-bottom: rgba(0, 0, 0, .55);--metal-drop: 0 8px 20px rgba(20, 20, 30, .22);--metal-face-off: linear-gradient(135deg, #dcdad6, #c8c6c2);--metal-ink-off: #3a3a38;--glass-bg: rgba(20, 20, 30, .05);--glass-bg-subtle: rgba(20, 20, 30, .03);--glass-border: rgba(20, 20, 30, .12);--glass-highlight: rgba(255, 255, 255, .6);--glass-fallback: #f1f1f3;--button-disabled-surface: #dcdad6;--button-disabled-border: #b7b4ae;--button-disabled-text: #3a3a38;--z-workspace-panel: rgba(255, 255, 255, .76);--z-workspace-panel-soft: rgba(255, 255, 255, .56);--z-workspace-panel-strong: rgba(255, 255, 255, .9);--z-workspace-panel-border: rgba(32, 33, 36, .1);--z-workspace-panel-highlight: rgba(255, 255, 255, .72);--z-workspace-panel-shadow: 0 18px 48px rgba(32, 33, 36, .14);--z-workspace-panel-blur: 18px;--color-warning: #d97706;--color-warning-bg: rgba(217, 119, 6, .1);--color-warning-border: rgba(217, 119, 6, .35);--color-info: #2563eb;--color-info-hover: #1d4ed8;--color-error: #dc2626;--color-error-hover: #b91c1c;--color-success: #047857;--color-success-hover: #065f46;--color-primary-text: #4338ca;--color-warning-text: #78350f;--color-error-text: #991b1b;--color-info-text: #1e40af;--color-success-text: #065f46;--btn-primary-text: #ffffff;--btn-blue-bg: #446aea;--btn-blue-bg-hover: #3557d8;--btn-green-bg: #047857;--btn-green-bg-hover: #065f46;--solve-topbar-bg: #e6e6e6;--solve-stage-surround: #f0f0f0;--solve-thumb-bg: #fffdf7;--solve-thumb-bg-selected: #fff4d9;--solve-list-bg: #eceef3;--btn-danger-color: #dc2626;--btn-danger-bg: rgba(220, 38, 38, .1);--sidebar-bg-collapsed: #f5f5f5;--sidebar-bg-expanded: 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#ffffff;--premium-bg-card: #ffffff;--premium-bg-card-selected: transparent;--premium-border-card: #e5e5e5;--premium-border-selected: var(--text-primary);--premium-text-benefit: var(--text-primary);--rarity-common: #6b7280;--rarity-uncommon: #15803d;--rarity-rare: #2563eb;--rarity-epic: #7c3aed;--rarity-common-bg: rgba(107, 114, 128, .06);--rarity-uncommon-bg: rgba(21, 128, 61, .08);--rarity-rare-bg: rgba(37, 99, 235, .08);--rarity-epic-bg: rgba(124, 58, 237, .08);--rarity-rare-glow: rgba(37, 99, 235, .18);--rarity-epic-glow: rgba(124, 58, 237, .18);--brand-divider: #c7cdd4;--md-ink-red: #991b1b;--md-ink-blue: #1e40af;--md-ink-green: #14532d;--md-ink-orange: #8a2c0d;--md-mark-bg: #fde68a;--md-mark-fg: #1f2937;--board-paper: #fbf7ef;--stage-edge: #9aa2b1;--heat-ink: #cc2419;--zosan-logo-bg: #0a0a0a;--zosan-logo-fg: #e8e8e8;--xa-ink-90: var(--text-primary);--xa-ink-inverse: #ffffff;--xa-ink-100: #000000;--xa-ink-55: var(--text-secondary);--xa-ink-52: var(--text-secondary);--xa-fill-07: var(--bg-hover);--xa-fill-06: rgba(0, 0, 0, .03);--xa-bg-shell: var(--bg-page);--xa-bg-sidebar: var(--bg-page);--xa-bg-chat: var(--bg-surface);--xa-bg-composer: var(--bg-page)}@media (pointer: coarse){:root{--xa-left-hu: 1px}}@media (min-resolution: 1.25dppx),(-webkit-min-device-pixel-ratio: 1.25){:root{--xa-left-fmin: 11px;--xa-left-fmicro: 10px}}@media (max-width: 768px){:root{--sidebar-width: 100vw;--sidebar-rail-width: 0px;--content-padding: 16px;--header-height: 56px}}.custom-scrollbar::-webkit-scrollbar{width:var(--scrollbar-width);height:var(--scrollbar-width)}.custom-scrollbar::-webkit-scrollbar-track{background:var(--scrollbar-track)}.custom-scrollbar::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:var(--radius-full)}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}html{transition:background-color .3s ease}body{background-color:var(--bg-page);color:var(--text-primary);transition:background-color .3s ease,color 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4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-7: 32px;--space-8: 48px;--ds-radius-sm: 6px;--ds-radius-md: 10px;--ds-radius-lg: 14px;--ds-radius-xl: 20px;--ds-radius-pill: var(--radius-full);--shadow-1: none;--shadow-2: 0 12px 32px -8px rgba(0, 0, 0, .5);--layer-sticky: 100;--layer-dropdown: 200;--layer-popover: 300;--layer-overlay: 400;--layer-modal: 500;--layer-toast: 600;--layer-tooltip: 700;--layer-coach: 800;--text-primary: var(--ink-1);--text-secondary: var(--ink-2);--text-tertiary: var(--ink-3);--text-disabled: var(--ink-disabled);--text-inverse: var(--on-brand);--btn-primary-text: var(--on-brand);--color-primary-foreground: var(--on-brand);--color-primary: var(--brand);--color-primary-hover: var(--brand-hover);--color-primary-active: var(--brand-active);--color-primary-text: var(--brand-ink);--color-primary-light: var(--brand-soft);--btn-blue-bg: var(--brand);--btn-green-bg: var(--brand);--btn-primary-bg: var(--brand);--btn-blue-bg-hover: var(--brand-hover);--btn-green-bg-hover: var(--brand-hover);--bg-page: var(--surface-page);--bg-surface: var(--surface-card);--bg-card: var(--surface-card);--bg-elevated: var(--surface-raised);--bg-hover: var(--overlay-hover);--bg-active: var(--overlay-active);--border-light: var(--line-1);--border-default: var(--line-2);--border-focus: var(--focus-ring);--border-hover: var(--line-2);--color-success: var(--ok);--color-success-hover: var(--ok);--color-success-border: var(--ok);--color-success-text: var(--ok-ink);--color-success-bg: var(--ok-soft);--color-warning: var(--warn);--color-warning-hover: var(--warn);--color-warning-border: var(--warn);--color-warning-text: var(--warn-ink);--color-warning-bg: var(--warn-soft);--color-error: var(--danger);--color-error-hover: var(--danger);--color-error-border: var(--danger);--color-error-text: var(--danger-ink);--color-error-bg: var(--danger-soft);--color-info: var(--brand-ink);--color-info-bg: 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