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#121212;--success: #059669;--success-tint: #D1FAE5;--danger: #E65100;--danger-tint: #FFF3E0;--warning: #FF9800;--warning-tint: #FFF8E1;--info: #0288D1;--info-tint: #E1F5FE;--bg: var(--background);--canvas: #FFFFFF;--surface-elevated: #FFFFFF;--surface-2: var(--surface-container-low);--surface-3: var(--surface-container);--border: #ECE7DE;--border-strong: #D8D0C5;--text: #111111;--text-muted: #6E655C;--text-subtle: #9C8577;--text-inverse: #FFFFFF;--sidebar-width: 260px;--topbar-height: 64px;--container-max: 1440px;--sidebar-bg: #FFFFFF;--sidebar-border: #ECE7DE;--sidebar-text: #544036;--sidebar-text-hov: #111111;--sidebar-link-hov: #FAF3E9;--sidebar-link-active-bg: #E65100;--sidebar-link-active-text: #FFFFFF;--topbar-bg: #FFFFFF;--topbar-border: #ECE7DE;--font-serif: "Source Serif 4", Georgia, serif;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-ar: "IBM Plex Sans Arabic", "Noto Naskh Arabic", "Segoe UI", sans-serif;--font-mono: ui-monospace, 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.25);--shadow-glow-gold: 0 2px 8px rgba(255, 152, 0, .25);--transition-fast: .14s cubic-bezier(.4, 0, .2, 1);--transition-base: .22s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--transition-theme: .25s cubic-bezier(.4, 0, .2, 1);--dw-canvas: #F4F7FC;--dw-canvas-2: #EDF2FA;--dw-surface: #FFFFFF;--dw-field: #EEF3FA;--dw-line: #E3E9F4;--dw-ink: #0F172A;--dw-ink-2: #334155;--dw-muted: #64748B;--dw-faint: #94A3B8;--dw-red: #DC2626;--dw-red-dark: #B91C1C;--dw-red-soft: #FEE2E2;--dw-gold: #F5A623;--dw-gold-ink: #B45309;--dw-gold-soft: #FEF3C7;--dw-green: #16A34A;--dw-green-soft: #DCFCE7;--dw-blue: #2563EB;--dw-blue-soft: #DBEAFE;--dw-purple: #7C3AED;--dw-purple-soft:#EDE9FE;--dw-panel: #FFFFFF;--dw-panel-2: #F8FAFC;--dw-r-card: 20px;--dw-r-box: 14px;--dw-r-pill: 999px;--dw-shadow-card: 0 16px 40px rgba(15, 23, 42, .08);--dw-shadow-soft: 0 6px 18px rgba(15, 23, 42, .06);--color-surface: var(--dw-surface);--color-border: var(--dw-line);--color-text: var(--dw-ink);--color-text-muted: var(--dw-muted);--bg-subtle: #F8FAFC}:root,[data-theme=light]{color-scheme:light}[data-theme=dark]{color-scheme:dark;--bg: #0D0D0D;--bg-subtle: #1E293B;--canvas: #111111;--surface: #121212;--surface-dim: #0D0D0D;--surface-bright: #1C1C1C;--surface-container-lowest: #0D0D0D;--surface-container-low: #161616;--surface-container: #1A1A1A;--surface-container-high: #222222;--surface-container-highest:#2A2A2A;--on-surface: #FAF3EB;--on-surface-variant: #FFB74D;--inverse-surface: #FEF9EE;--inverse-on-surface: #111111;--outline: #544238;--outline-variant: #3E2F26;--primary: #FFB74D;--on-primary: #0D0D0D;--primary-container: #E65100;--on-primary-container: #FFE0B2;--secondary: #FFB300;--on-secondary: #0D0D0D;--secondary-container: #F57C00;--on-secondary-container: #FFEBB3;--tertiary: #FF8A65;--on-tertiary: #0D0D0D;--tertiary-container: #D84315;--on-tertiary-container: #FFCCBC;--border: #334155;--border-strong: #475569;--text: #FAF3EB;--text-muted: #A89F95;--text-subtle: #786E64;--text-inverse: #0D0D0D;--sidebar-bg: #111111;--sidebar-border: #242424;--sidebar-text: rgba(250, 243, 235, .75);--sidebar-text-hov: #FFFFFF;--sidebar-link-hov: rgba(255, 152, 0, .09);--sidebar-link-active-bg: #E65100;--sidebar-link-active-text: #FFFFFF;--topbar-bg: #111111;--topbar-border: #242424;--de-red-tint: rgba(230, 81, 0, .22);--de-gold-tint: rgba(255, 179, 0, .22);--shadow-1: 0 1px 3px rgba(0, 0, 0, .5);--shadow-2: 0 4px 14px rgba(0, 0, 0, .65);--shadow-3: 0 12px 32px rgba(0, 0, 0, .8);--shadow-4: 0 8px 24px rgba(0, 0, 0, .65);--dw-canvas: #0A1120;--dw-canvas-2: #101B2E;--dw-surface: #141E33;--dw-field: #1C2942;--dw-line: #22304A;--dw-ink: #E9EFF9;--dw-ink-2: #C4D0E2;--dw-muted: #9AA8BF;--dw-faint: #6B7A94;--dw-red: #F87171;--dw-red-dark: #FCA5A5;--dw-red-soft: #3B1C1C;--dw-gold: #FBBF24;--dw-gold-ink: #FCD34D;--dw-gold-soft: #3A2C0D;--dw-green: #4ADE80;--dw-green-soft: #12331F;--dw-blue: #7DAEFB;--dw-blue-soft: #15294B;--dw-purple: #B197FC;--dw-purple-soft:#241C46;--dw-panel: #05080F;--dw-panel-2: #0D1728;--dw-shadow-card: 0 18px 44px rgba(0, 0, 0, .55);--dw-shadow-soft: 0 6px 18px rgba(0, 0, 0, .4);--dl-bg: #080D1A;--dl-surface: #0F172A;--dl-field: #1E293B;--dl-ink: #F8FAFC;--dl-ink-2: #CBD5E1;--dl-muted: #94A3B8;--dl-faint: #64748B;--dl-gold: #F59E0B;--dl-red: #EF4444;--dl-red-soft: rgba(239, 68, 68, .16);--dl-green: #22C55E;--dl-amber: #F59E0B;--dl-blue: #3B82F6;--dl-blue-soft: rgba(59, 130, 246, .16);--dl-panel: #0A0F1D;--dl-panel-2: #131B2E;--dl-panel-ink: #DC2626;--dl-shadow-card: 0 24px 60px -12px rgba(0, 0, 0, .7);--dl-shadow-soft: 0 8px 24px -4px rgba(0, 0, 0, .5);--dl-ring: 0 0 0 4px rgba(59, 130, 246, .25)}.dark{--dl-bg: #080D1A;--dl-surface: #0F172A;--dl-field: #1E293B;--dl-ink: #F8FAFC;--dl-ink-2: #CBD5E1;--dl-muted: #94A3B8;--dl-faint: #64748B;--dl-gold: #F59E0B;--dl-red: #EF4444;--dl-red-soft: rgba(239, 68, 68, .16);--dl-green: #22C55E;--dl-amber: #F59E0B;--dl-blue: #3B82F6;--dl-blue-soft: rgba(59, 130, 246, .16);--dl-panel: #0A0F1D;--dl-panel-2: #131B2E;--dl-panel-ink: #DC2626;--dl-shadow-card: 0 24px 60px -12px rgba(0, 0, 0, .7);--dl-shadow-soft: 0 8px 24px -4px rgba(0, 0, 0, .5);--dl-ring: 0 0 0 4px rgba(59, 130, 246, .25)}*,*:before,*:after{transition:background-color var(--transition-theme),border-color var(--transition-theme),color var(--transition-theme)}img,video,svg,[data-no-transition]{transition:none!important}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;tab-size:4;scroll-behavior:smooth}body{min-height:100vh;background-color:var(--bg);color:var(--text);font-family:var(--font-sans);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color var(--transition-theme),color var(--transition-theme)}[dir=rtl] body,[lang=ar] body{font-family:var(--font-ar)}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit;color:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}a{color:inherit;text-decoration:none}ul,ol{list-style:none}button{background:none;border:none;cursor:pointer}table{border-collapse:collapse;width:100%}body{font-family:var(--font-sans);font-size:var(--fs-body-md);line-height:var(--lh-body-md);color:var(--text);background-color:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6,.font-serif{font-family:var(--font-serif);color:var(--text);font-weight:600;letter-spacing:-.015em}h1{font-size:var(--fs-headline-xl);line-height:var(--lh-headline-xl)}h2{font-size:var(--fs-headline-lg);line-height:var(--lh-headline-lg)}h3{font-size:var(--fs-headline-md);line-height:var(--lh-headline-md)}h4{font-family:var(--font-sans);font-size:var(--fs-headline-sm);line-height:var(--lh-headline-sm);font-weight:600}p{color:var(--text);font-size:var(--fs-body-md);line-height:var(--lh-body-md)}.headline-xl{font-family:var(--font-serif);font-size:var(--fs-headline-xl);line-height:var(--lh-headline-xl);font-weight:600}.headline-lg{font-family:var(--font-serif);font-size:var(--fs-headline-lg);line-height:var(--lh-headline-lg);font-weight:600}.headline-md{font-family:var(--font-serif);font-size:var(--fs-headline-md);line-height:var(--lh-headline-md);font-weight:600}.headline-sm{font-family:var(--font-sans);font-size:var(--fs-headline-sm);line-height:var(--lh-headline-sm);font-weight:600}.body-lg{font-family:var(--font-sans);font-size:var(--fs-body-lg);line-height:var(--lh-body-lg);font-weight:400}.body-md{font-family:var(--font-sans);font-size:var(--fs-body-md);line-height:var(--lh-body-md);font-weight:400}.body-sm{font-family:var(--font-sans);font-size:var(--fs-body-sm);line-height:var(--lh-body-sm);font-weight:400}.label-lg{font-family:var(--font-sans);font-size:var(--fs-label-lg);line-height:var(--lh-label-lg);font-weight:600}.label-md{font-family:var(--font-sans);font-size:var(--fs-label-md);line-height:var(--lh-label-md);font-weight:600}.label-sm{font-family:var(--font-sans);font-size:var(--fs-label-sm);line-height:var(--lh-label-sm);font-weight:500}.text-muted{color:var(--text-muted)}.text-subtle{color:var(--text-subtle)}@media(max-width:768px){h1,.headline-xl{font-size:30px;line-height:38px}h2,.headline-lg{font-size:24px;line-height:32px}}html[lang=ar],html[dir=rtl]{font-family:var(--font-ar)}html[lang=ar] body,html[dir=rtl] body{font-family:var(--font-ar);line-height:1.65}html[lang=ar] h1,html[lang=ar] h2,html[lang=ar] h3,html[lang=ar] h4,html[lang=ar] .font-serif,html[dir=rtl] h1,html[dir=rtl] h2,html[dir=rtl] h3,html[dir=rtl] h4,html[dir=rtl] .font-serif{font-family:var(--font-ar);font-weight:700;letter-spacing:normal;line-height:1.4}html[lang=de]{hyphens:auto}:focus-visible{outline:2px solid var(--de-red);outline-offset:2px}.tricolor,.tricolor-seal{height:3px;width:100%;background:linear-gradient(to right,var(--dw-ink) 0%,var(--dw-ink) 33.333%,var(--dw-red) 33.333%,var(--dw-red) 66.666%,var(--dw-gold) 66.666%,var(--dw-gold) 100%);display:block}.tricolor--tall{height:5px}.tricolor--short{width:64px;height:3px;border-radius:var(--radius-xs);margin-block:.5rem 1rem}.tricolor-vertical{width:3px;background:linear-gradient(to bottom,var(--dw-ink) 0%,var(--dw-ink) 33.333%,var(--dw-red) 33.333%,var(--dw-red) 66.666%,var(--dw-gold) 66.666%,var(--dw-gold) 100%)}.btn-primary,button.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;background-color:var(--brand-orange-dark, var(--dw-red));color:#fff!important;border:1px solid transparent;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:var(--fs-label-lg);font-weight:600;line-height:var(--lh-label-lg);cursor:pointer;text-decoration:none;transition:background-color var(--transition-fast),border-color var(--transition-fast),transform var(--transition-fast)}.btn-primary:hover{background-color:var(--brand-orange-deep, var(--dw-red-dark))}.btn-primary:active{background-color:#bf360c}.btn-primary:focus-visible{outline:2px solid var(--brand-orange-dark, var(--dw-red));outline-offset:2px}.btn-secondary,button.btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;background-color:var(--dw-surface);color:#111!important;border:1px solid var(--border-strong);border-radius:var(--radius-md);font-family:var(--font-sans);font-size:var(--fs-label-lg);font-weight:600;line-height:var(--lh-label-lg);cursor:pointer;text-decoration:none;transition:background-color var(--transition-fast),border-color var(--transition-fast)}.btn-secondary:hover{background-color:var(--surface-container-low);border-color:var(--brand-orange-dark, var(--dw-red))}.btn-ghost,button.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 16px;background-color:transparent;color:var(--text)!important;border:1px solid transparent;border-radius:var(--radius-md);font-family:var(--font-sans);font-size:var(--fs-label-lg);font-weight:600;cursor:pointer;text-decoration:none;transition:background-color var(--transition-fast),color var(--transition-fast)}.btn-ghost:hover{background-color:var(--de-red-tint);color:var(--brand-orange-dark)!important}.card,.card-academic{background:var(--dw-surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);padding:1.5rem;transition:box-shadow var(--transition-fast),border-color var(--transition-fast),background-color var(--transition-theme)}.card:hover,.card-academic:hover{border-color:var(--border-strong);box-shadow:var(--shadow-2)}.card-milestone{position:relative;overflow:hidden;border-top:none}.card-milestone:before{content:"";position:absolute;inset-block-start:0;inset-inline-start:0;inset-inline-end:0;height:3px;background:linear-gradient(to right,var(--dw-ink) 0%,var(--dw-ink) 33.333%,var(--dw-red) 33.333%,var(--dw-red) 66.666%,var(--dw-gold) 66.666%,var(--dw-gold) 100%)}.card--accent-top{position:relative;overflow:hidden}.card--accent-top:before{content:"";position:absolute;inset-block-start:0;inset-inline-start:0;inset-inline-end:0;height:3px;background:linear-gradient(to right,var(--dw-ink) 0%,var(--dw-ink) 33.333%,var(--dw-red) 33.333%,var(--dw-red) 66.666%,var(--dw-gold) 66.666%,var(--dw-gold) 100%)}.badge-cefr{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;background-color:var(--surface-container-low);border:1px solid var(--border);color:var(--dw-ink);border-radius:var(--radius-sm);font-family:var(--font-sans);font-size:var(--fs-label-sm);font-weight:600;letter-spacing:.04em;text-transform:uppercase}.badge-cefr--advanced{background-color:var(--de-gold-tint);border-color:var(--de-gold, var(--dw-gold));color:var(--dw-ink)}.exercise-option{display:flex;align-items:center;gap:12px;padding:12px 16px;background-color:var(--dw-surface);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text);cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast)}.exercise-option:hover{background-color:var(--surface-container-low)}.exercise-option--selected{background-color:var(--de-red-tint)!important;border-color:var(--brand-orange-dark, var(--dw-red))!important;border-width:1.5px;color:var(--brand-orange-dark)!important;font-weight:600}.vocab-row{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-block-end:1px solid var(--border);transition:background-color var(--transition-fast)}.vocab-row:hover{background-color:var(--surface-container-low)}.vocab-row__de{font-family:var(--font-sans);font-weight:600;color:var(--dw-ink);direction:ltr}.vocab-row__ar{font-family:var(--font-ar);font-weight:400;color:var(--text-muted);direction:rtl}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:1.5rem}.flex{display:flex}.flex-col{display:flex;flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.gap-8{gap:2rem}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:1024px){.grid-cols-4,.grid-cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.grid-cols-4,.grid-cols-3,.grid-cols-2{grid-template-columns:1fr}}.breadcrumb{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--dw-faint);margin-bottom:8px;flex-wrap:wrap}.breadcrumb 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