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.app-shell{background:#0b1c13}:root[data-theme=dark][data-color-theme=forest] .app-content{background:radial-gradient(circle at 20% 0%,rgba(67,197,122,.18),transparent 55%),radial-gradient(circle at 85% 30%,rgba(34,197,94,.14),transparent 52%),linear-gradient(180deg,#08120dfa,#071611fa)}:root[data-theme=dark][data-color-theme=forest] .app-header{background:#091710eb;border-bottom-color:#43c57a2e}:root[data-theme=dark][data-color-theme=forest] .header__search{border-color:#43c57a47;background:linear-gradient(90deg,#0c2017eb,#0a1c13e6);box-shadow:inset 0 0 0 1px #43c57a2e}:root[data-theme=dark][data-color-theme=forest] .header__shortcut{border-color:#43c57a47;color:#dcf2e8b8}:root[data-theme=dark][data-color-theme=forest] .app-breadcrumbs__link{color:#c6e0d2c7}:root[data-theme=dark][data-color-theme=forest] .app-breadcrumbs__link:hover{color:#43c57af2}:root[data-theme=dark][data-color-theme=forest] .app-breadcrumbs__current{color:#ecfff6f0}:root[data-theme=dark][data-color-theme=forest] .app-breadcrumbs__icon{background:#43c57a29;color:#ecfff6e6}:root[data-color-theme=forest] .app-auth-shell{background:var(--color-bg)}:root[data-theme=dark][data-color-theme=forest] .app-auth-shell{background:var(--color-bg)}:root[data-color-theme=forest] .auth-card{background:var(--color-surface);border:1px solid var(--color-border-subtle);box-shadow:var(--shadow-card)}:root[data-theme=dark][data-color-theme=forest] .auth-card{background:#091710e6;border:1px solid rgba(67,197,122,.22);box-shadow:0 38px 70px #000000a6}:root[data-theme=dark][data-color-theme=forest] .auth-card__header h1{color:#ecfff6f5}:root[data-theme=dark][data-color-theme=forest] .auth-card__header p,:root[data-theme=dark][data-color-theme=forest] .auth-card__label{color:#c6e0d2d1}:root[data-theme=dark][data-color-theme=forest] .auth-card__link{color:#43c57aeb}:root[data-theme=dark][data-color-theme=forest] .auth-card__link:hover{color:#43c57afa}:root[data-color-theme=forest] input:focus,:root[data-color-theme=forest] select:focus,:root[data-color-theme=forest] textarea:focus{box-shadow:0 0 0 3px #1f6f4a2e}:root[data-theme=dark][data-color-theme=forest] input:focus,:root[data-theme=dark][data-color-theme=forest] select:focus,:root[data-theme=dark][data-color-theme=forest] textarea:focus{box-shadow:0 0 0 3px #43c57a38}:root[data-theme=dark][data-color-theme=forest] .mobile-nav{background:#091710f5;color:#ecfff6eb}:root[data-theme=dark][data-color-theme=forest] .mobile-nav__close:hover{background:#43c57a33}:root[data-theme=dark][data-color-theme=forest] .mobile-nav__link--active,:root[data-theme=dark][data-color-theme=forest] .mobile-nav__link:hover,:root[data-theme=dark][data-color-theme=forest] .mobile-nav__sublink--active,:root[data-theme=dark][data-color-theme=forest] .mobile-nav__sublink:hover{color:#43c57af2}:root[data-theme=dark][data-color-theme=forest] .mobile-nav__icon{background:#43c57a29;color:#ecfff6eb}:root[data-color-theme=forest] .app-sidebar{background:linear-gradient(180deg,#ffffffeb,#e2f0e8bf)}:root[data-color-theme=forest] .sidebar__nav{background:linear-gradient(180deg,#ffffff8c,#f2f7f4a6);color:var(--color-text-primary)}:root[data-theme=dark][data-color-theme=forest] .app-sidebar{background:linear-gradient(180deg,#0f2a1ef2,#0a1c13fa)}:root[data-theme=dark][data-color-theme=forest] .sidebar__nav{background:radial-gradient(circle at top right,rgba(67,197,122,.18),transparent 45%),radial-gradient(circle at bottom left,rgba(31,111,74,.22),transparent 40%),linear-gradient(195deg,#0f2a1eeb,#0d2319e6 40%,#0b1c13f5);color:#ecfff6eb}:root[data-color-theme=forest] .sidebar__section-title{color:#1d1b3f94}:root[data-color-theme=forest] .sidebar__link{color:#1d1b3fc7}:root[data-theme=dark][data-color-theme=forest] .sidebar__section-title{color:#ecfff69e}:root[data-theme=dark][data-color-theme=forest] .sidebar__link{color:#ecfff6c7}:root[data-color-theme=forest] .sidebar__link:hover{background:#1f6f4a1f;color:var(--color-text-primary)}:root[data-theme=dark][data-color-theme=forest] .sidebar__link:hover{background:#43c57a24;color:#ecfff6f2}:root[data-color-theme=forest] .sidebar__link--active{background:linear-gradient(120deg,#1f6f4a47,#22c55e2e);color:var(--color-text-primary);box-shadow:inset 0 0 0 1px #1f6f4a3d}:root[data-theme=dark][data-color-theme=forest] .sidebar__link--active{background:linear-gradient(120deg,#43c57a38,#22c55e24);color:#ecfff6f2;box-shadow:inset 0 0 0 1px #43c57a38}:root[data-color-theme=forest] .sidebar__icon{color:#1f6f4af2}:root[data-theme=dark][data-color-theme=forest] .sidebar__icon{color:#ecfff6cc}:root[data-color-theme=forest] .sidebar__link .sidebar__icon{background:#1f6f4a1f}:root[data-theme=dark][data-color-theme=forest] .sidebar__link .sidebar__icon{background:#43c57a24}:root[data-color-theme=forest] .sidebar__link:hover .sidebar__icon,:root[data-color-theme=forest] .sidebar__link--active .sidebar__icon,:root[data-color-theme=forest] .sidebar__submenu-link:hover .sidebar__icon,:root[data-color-theme=forest] .sidebar__submenu-link--active .sidebar__icon{color:#1f6f4af2;background:#1f6f4a38}:root[data-theme=dark][data-color-theme=forest] .sidebar__link:hover .sidebar__icon,:root[data-theme=dark][data-color-theme=forest] .sidebar__link--active .sidebar__icon,:root[data-theme=dark][data-color-theme=forest] .sidebar__submenu-link:hover .sidebar__icon,:root[data-theme=dark][data-color-theme=forest] .sidebar__submenu-link--active .sidebar__icon{color:#ecfff6eb;background:#43c57a38}:root[data-color-theme=forest] .sidebar__link--active.sidebar__link--has-children .sidebar__label:after,:root[data-color-theme=forest] .sidebar__link:hover.sidebar__link--has-children .sidebar__label:after{color:#1f6f4af2}:root[data-theme=dark][data-color-theme=forest] .sidebar__link--active.sidebar__link--has-children .sidebar__label:after,:root[data-theme=dark][data-color-theme=forest] .sidebar__link:hover.sidebar__link--has-children .sidebar__label:after{color:#ecfff6e6}:root[data-color-theme=forest] .sidebar__submenu{box-shadow:inset 0 0 0 1px #1f6f4a2e}:root[data-theme=dark][data-color-theme=forest] .sidebar__submenu{background:#123425b3;box-shadow:inset 0 0 0 1px #43c57a2e}:root[data-color-theme=forest] .sidebar__submenu-link:hover{background:#1f6f4a1a}:root[data-color-theme=forest] .sidebar__submenu-link--active{background:#1f6f4a1f}:root[data-theme=dark][data-color-theme=forest] .sidebar__submenu-link:hover{background:#43c57a24;color:#ecfff6f2}:root[data-theme=dark][data-color-theme=forest] .sidebar__submenu-link--active{background:#43c57a29;color:#ecfff6f2}:root[data-theme=dark][data-color-theme=forest] .home-hero__orb--one{background:radial-gradient(circle at center,#43c57a99,#14532d2e 70%);opacity:.45}:root[data-theme=dark][data-color-theme=forest] .home-hero__orb--two{background:radial-gradient(circle at center,#22c55e8c,#102a1f2e 70%);opacity:.4}:root[data-theme=dark][data-color-theme=forest] .home-hero__button--secondary{border-color:#43c57a52;color:#ecfff6e6}:root[data-theme=dark][data-color-theme=forest] .home-highlight-card{background:#091710eb;border-color:#43c57a38;box-shadow:0 18px 35px #0000009e}:root[data-theme=dark][data-color-theme=forest] .home-highlight-card:nth-child(2),:root[data-theme=dark][data-color-theme=forest] .home-highlight-card:nth-child(3){background:linear-gradient(140deg,#1f6f4a47,#0c2017c7)}:root[data-theme=dark][data-color-theme=forest] .badge{background:#43c57a29;color:#ecfff6eb}:root[data-theme=dark][data-color-theme=forest] .badge--muted{background:#43c57a1f;color:#c6e0d2c7}:root[data-color-theme=forest] .button-secondary{background:#1f6f4a1f;color:var(--color-text-primary);border:1px solid rgba(31,111,74,.22)}:root[data-color-theme=forest] .button-secondary:hover{background:#1f6f4a29}:root[data-theme=dark][data-color-theme=forest] .button-secondary{background:#43c57a24;color:#ecfff6eb;border:1px solid rgba(67,197,122,.26)}:root[data-theme=dark][data-color-theme=forest] .button-secondary:hover{background:#43c57a2e}:root[data-color-theme=forest] .home-cta-card__icon{background:#1f6f4a1f;color:#1f6f4af2}:root[data-theme=dark][data-color-theme=forest] .home-cta-card__icon{background:#43c57a29;color:#ecfff6eb}:root[data-color-theme=forest] .home-progress__track{background:#1f6f4a1f}:root[data-color-theme=forest] .home-progress__track span{background:var(--button-gradient)}:root[data-color-theme=forest] .home-progress__pill{background:#1f6f4a1f}:root[data-theme=dark][data-color-theme=forest] .home-progress__track{background:#43c57a29}:root[data-theme=dark][data-color-theme=forest] .home-progress__pill{background:#43c57a29;color:#ecfff6eb}:root[data-color-theme=forest] .quiz-play__progress-track span{background:var(--button-gradient)}:root[data-color-theme=forest] .rewards-xp-bar span{background:var(--button-gradient)}:root[data-color-theme=forest] .settings-avatar__upload{background:var(--button-gradient);box-shadow:0 8px 20px #14532d38}:root[data-color-theme=forest] .settings-avatar__upload:hover{box-shadow:0 10px 24px #14532d4d}.settings-avatar-chip[data-color-theme=default] .settings-avatar-chip__dot{background:linear-gradient(135deg,#6d28d9,#ec4899);border:none}.settings-avatar-chip[data-color-theme=forest] .settings-avatar-chip__dot{background:linear-gradient(135deg,#14532d,#1f6f4a,#22c55e 110%);border:none}:root[data-color-theme=coolblue]{--color-bg-app: linear-gradient(135deg, #f7fbff 0%, #eef6ff 45%, #e3f1ff 100%);--color-bg: var(--color-bg-app);--color-bg-surface: rgba(255, 255, 255, .98);--color-bg-surface-alt: rgba(241, 248, 255, .92);--color-surface: var(--color-bg-surface);--color-surface-auth: #eef6ff;--color-surface-subtle: rgba(241, 248, 255, .72);--color-text-primary: #0b1f3a;--color-text-secondary: rgba(11, 31, 58, .72);--color-text-muted: rgba(11, 31, 58, .6);--color-text-muted-strong: rgba(11, 31, 58, .78);--color-brand-primary: #2476ff;--color-brand-primary-soft: rgba(36, 118, 255, .14);--color-primary: var(--color-brand-primary);--color-accent: #2476ff;--color-accent-soft: rgba(36, 118, 255, .14);--color-hover: rgba(36, 118, 255, .12);--button-gradient: linear-gradient(135deg, #1f63d8 0%, #2476ff 55%, #5ac8ff 110%);--shadow-card: 0 28px 55px rgba(31, 99, 216, .14);--shadow-hover: 0 38px 90px rgba(31, 99, 216, .18);--color-border: rgba(36, 118, 255, .22);--color-border-subtle: rgba(36, 118, 255, .18)}:root[data-theme=dark][data-color-theme=coolblue]{--color-bg-app: linear-gradient(140deg, #071629 0%, #0a2340 55%, #071e35 100%);--color-bg: var(--color-bg-app);--color-bg-surface: rgba(8, 24, 43, .92);--color-bg-surface-alt: rgba(10, 36, 64, .78);--color-surface: var(--color-bg-surface);--color-surface-auth: rgba(8, 24, 43, .92);--color-surface-subtle: rgba(10, 34, 59, .68);--color-text-primary: rgba(233, 244, 255, .94);--color-text-secondary: rgba(183, 210, 236, .78);--color-text-muted: rgba(183, 210, 236, .64);--color-text-muted-strong: rgba(213, 231, 248, .78);--color-brand-primary: #4da3ff;--color-brand-primary-soft: rgba(77, 163, 255, .16);--color-primary: var(--color-brand-primary);--color-accent: #4da3ff;--color-accent-soft: rgba(77, 163, 255, .22);--color-hover: rgba(77, 163, 255, .14);--button-gradient: linear-gradient(135deg, #2476ff 0%, #4da3ff 60%, #5ac8ff 120%);--shadow-card: 0 32px 60px rgba(0, 0, 0, .6);--shadow-hover: 0 38px 90px rgba(77, 163, 255, .22);--color-border: rgba(77, 163, 255, .28);--color-border-subtle: rgba(77, 163, 255, .22)}:root[data-color-theme=coolblue] .app-layout{background:#f5faff}:root[data-color-theme=coolblue] .app-shell{background:#e7f1ff}:root[data-theme=dark][data-color-theme=coolblue] .app-shell{background:#071629}:root[data-theme=dark][data-color-theme=coolblue] .app-content{background:radial-gradient(circle at 20% 0%,rgba(77,163,255,.16),transparent 55%),radial-gradient(circle at 85% 30%,rgba(90,200,255,.12),transparent 52%),linear-gradient(180deg,#071629fa,#061c30fa)}:root[data-theme=dark][data-color-theme=coolblue] .app-header{background:#08182beb;border-bottom-color:#4da3ff2e}:root[data-theme=dark][data-color-theme=coolblue] .header__search{border-color:#4da3ff47;background:linear-gradient(90deg,#0a223beb,#081c31e6);box-shadow:inset 0 0 0 1px #4da3ff2e}:root[data-theme=dark][data-color-theme=coolblue] .header__shortcut{border-color:#4da3ff47;color:#d5e7f8b8}:root[data-color-theme=coolblue] .app-auth-shell{background:var(--color-bg)}:root[data-theme=dark][data-color-theme=coolblue] .app-auth-shell{background:var(--color-bg)}:root[data-color-theme=coolblue] .auth-card{background:var(--color-surface);border:1px solid var(--color-border-subtle);box-shadow:var(--shadow-card)}:root[data-theme=dark][data-color-theme=coolblue] .auth-card{background:#08182be6;border:1px solid rgba(77,163,255,.22);box-shadow:0 38px 70px #000000a6}:root[data-theme=dark][data-color-theme=coolblue] .auth-card__header h1{color:#e9f4fff5}:root[data-theme=dark][data-color-theme=coolblue] .auth-card__header p,:root[data-theme=dark][data-color-theme=coolblue] .auth-card__label{color:#b7d2ecd1}:root[data-theme=dark][data-color-theme=coolblue] .auth-card__link{color:#4da3ffeb}:root[data-color-theme=coolblue] input:focus,:root[data-color-theme=coolblue] select:focus,:root[data-color-theme=coolblue] textarea:focus{box-shadow:0 0 0 3px #2476ff2e}:root[data-theme=dark][data-color-theme=coolblue] input:focus,:root[data-theme=dark][data-color-theme=coolblue] select:focus,:root[data-theme=dark][data-color-theme=coolblue] textarea:focus{box-shadow:0 0 0 3px #4da3ff38}:root[data-color-theme=coolblue] .app-sidebar{background:linear-gradient(180deg,#fffffff0,#e7f1ffc7)}:root[data-color-theme=coolblue] .sidebar__nav{background:linear-gradient(180deg,#fff9,#f4faffa8);color:var(--color-text-primary)}:root[data-theme=dark][data-color-theme=coolblue] .app-sidebar{background:linear-gradient(180deg,#0a2440f2,#071629fa)}:root[data-theme=dark][data-color-theme=coolblue] .sidebar__nav{background:radial-gradient(circle at top right,rgba(77,163,255,.16),transparent 45%),radial-gradient(circle at bottom left,rgba(36,118,255,.2),transparent 40%),linear-gradient(195deg,#0a2440eb,#081e34e6 40%,#071629f5);color:#e9f4ffeb}:root[data-color-theme=coolblue] .sidebar__section-title{color:#0b1f3a8f}:root[data-color-theme=coolblue] .sidebar__link{color:#0b1f3ac7}:root[data-theme=dark][data-color-theme=coolblue] .sidebar__section-title{color:#e9f4ff9e}:root[data-theme=dark][data-color-theme=coolblue] .sidebar__link{color:#e9f4ffc7}:root[data-color-theme=coolblue] .sidebar__link:hover{background:#2476ff1f;color:var(--color-text-primary)}:root[data-theme=dark][data-color-theme=coolblue] .sidebar__link:hover{background:#4da3ff24;color:#e9f4fff2}:root[data-color-theme=coolblue] .sidebar__link--active{background:linear-gradient(120deg,#2476ff3d,#5ac8ff29);color:var(--color-text-primary);box-shadow:inset 0 0 0 1px #2476ff33}:root[data-theme=dark][data-color-theme=coolblue] .sidebar__link--active{background:linear-gradient(120deg,#4da3ff38,#5ac8ff24);color:#e9f4fff2;box-shadow:inset 0 0 0 1px #4da3ff38}:root[data-color-theme=coolblue] .sidebar__icon{color:#2476fff2}:root[data-theme=dark][data-color-theme=coolblue] .sidebar__icon{color:#e9f4ffd1}:root[data-color-theme=coolblue] .sidebar__link .sidebar__icon{background:#2476ff1f}:root[data-theme=dark][data-color-theme=coolblue] .sidebar__link .sidebar__icon{background:#4da3ff24}:root[data-color-theme=coolblue] .button-secondary{background:#2476ff1f;color:var(--color-text-primary);border:1px solid rgba(36,118,255,.22)}:root[data-theme=dark][data-color-theme=coolblue] .button-secondary{background:#4da3ff24;color:#e9f4ffeb;border:1px solid rgba(77,163,255,.26)}:root[data-theme=dark][data-color-theme=coolblue] .badge{background:#4da3ff29;color:#e9f4ffeb}:root[data-theme=dark][data-color-theme=coolblue] .badge--muted{background:#4da3ff1f;color:#b7d2ecc7}:root[data-theme=dark][data-color-theme=coolblue] .mobile-nav{background:#08182bf5;color:#e9f4ffeb}:root[data-theme=dark][data-color-theme=coolblue] .mobile-nav__close:hover{background:#4da3ff33}:root[data-theme=dark][data-color-theme=coolblue] .mobile-nav__link--active,:root[data-theme=dark][data-color-theme=coolblue] .mobile-nav__link:hover,:root[data-theme=dark][data-color-theme=coolblue] .mobile-nav__sublink--active,:root[data-theme=dark][data-color-theme=coolblue] .mobile-nav__sublink:hover{color:#4da3fff2}:root[data-theme=dark][data-color-theme=coolblue] .mobile-nav__icon{background:#4da3ff29;color:#e9f4ffeb}.settings-avatar-chip[data-color-theme=coolblue] .settings-avatar-chip__dot{background:linear-gradient(135deg,#1f63d8,#2476ff,#5ac8ff 110%);border:none}