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var(--atelier-bg);--color-surface: var(--atelier-surface);--color-surface2: var(--atelier-surface-alt);--color-text: var(--atelier-text);--color-text-secondary: #3d3a34;--color-muted: var(--atelier-text-muted);--color-primary: var(--atelier-accent);--color-primary-subtle: var(--atelier-accent-soft);--color-primary-mid: var(--atelier-accent);--color-success: var(--atelier-success);--color-success-subtle: var(--atelier-success-bg);--color-error: var(--atelier-error);--color-error-subtle: var(--atelier-error-bg);--color-border: var(--atelier-border);--color-border-strong: var(--atelier-border-strong);--font-ui: var(--font-ui-atelier);--font-mono: var(--font-mono-atelier);--shadow-sm: var(--atelier-shadow-sm);--shadow-md: var(--atelier-shadow-md);--shadow-lg: var(--atelier-shadow-lg);--radius-card: var(--atelier-radius-lg);--radius-sm: var(--atelier-radius-md);--radius-xs: var(--atelier-radius-sm);--card-bg: var(--atelier-surface);--card-border: var(--atelier-border);--color-card: var(--atelier-surface);--color-card-border: var(--atelier-border);--text-primary: var(--atelier-text);--text-secondary: #3d3a34;--text-muted: var(--atelier-text-muted)}.sv-theme:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");pointer-events:none;z-index:0}@keyframes confettiFall{0%{transform:translateY(-20px) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}:root{--atelier-bg: #F5F1EA;--atelier-surface: #FFFFFF;--atelier-surface-alt: #FAF6EF;--atelier-text: #1F1B16;--atelier-text-muted: #6E665C;--atelier-accent: #F0784A;--atelier-accent-soft: #FCE9DE;--atelier-cta: #2D5F4E;--atelier-cta-soft: #DCE9E2;--atelier-success: #2D5F4E;--atelier-success-bg: #DCE9E2;--atelier-error: #B84A3B;--atelier-error-bg: #F5DDD8;--atelier-border: #E8DFD0;--atelier-border-strong: #C9BBA3;--font-display: "Fraunces", Georgia, serif;--font-ui-atelier: "Geist", -apple-system, sans-serif;--font-mono-atelier: "Geist Mono", "SF Mono", monospace;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 40px;--space-2xl: 64px;--atelier-radius-sm: 6px;--atelier-radius-md: 10px;--atelier-radius-lg: 14px;--atelier-shadow-sm: 0 1px 2px rgba(63, 50, 30, .06);--atelier-shadow-md: 0 4px 12px rgba(63, 50, 30, .08);--atelier-shadow-lg: 0 8px 24px rgba(63, 50, 30, .12);--ease-spring: cubic-bezier(.32, .72, 0, 1);--ease-out: cubic-bezier(.16, 1, .3, 1)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.sv-theme .single-choice-option{background:var(--atelier-surface);border:1px solid var(--atelier-border);border-radius:var(--atelier-radius-md);padding:var(--space-md);transition:transform .15s var(--ease-out),box-shadow .15s var(--ease-out)}.sv-theme .single-choice-option:hover{transform:translateY(-1px);box-shadow:var(--atelier-shadow-md)}.sv-theme .single-choice-option.selected{background:var(--atelier-accent-soft);border-color:var(--atelier-accent)}.sv-theme .single-choice-label-circle{width:28px;height:28px;background:var(--atelier-surface-alt);border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono-atelier, "Geist Mono", monospace);font-size:12px;font-weight:700;flex-shrink:0}.sv-theme .fill-blank-slot-atelier{border-bottom:2px dashed var(--atelier-border-strong);min-width:60px;display:inline-block;padding-bottom:2px}.sv-theme .fill-blank-pool-item{border:1px solid var(--atelier-border);padding:4px 12px;border-radius:var(--atelier-radius-sm);background:var(--atelier-surface);cursor:pointer;font-family:var(--font-ui-atelier, sans-serif);font-size:13px;transition:background .12s,border-color .12s}.sv-theme .fill-blank-pool-item.selected{border-color:var(--atelier-accent);background:var(--atelier-accent-soft)}.sv-theme line.match-pair-line-atelier{stroke:var(--atelier-accent);stroke-width:2}.sv-theme .match-item-selected{outline:2px solid var(--atelier-accent);outline-offset:2px}.sv-theme .sort-category-atelier{border:2px dashed var(--atelier-border-strong);border-radius:var(--atelier-radius-md);min-height:80px;padding:var(--space-sm)}.sv-theme .sort-item-correct{background:var(--atelier-success-bg)}.sv-theme .sort-item-incorrect{border:2px solid var(--atelier-error)!important}.sv-theme .order-step-handle{color:var(--atelier-text-muted)}.sv-theme .order-step-btn{background:none;border:1px solid var(--atelier-border);border-radius:var(--atelier-radius-sm);padding:2px 6px;cursor:pointer;font-size:12px;color:var(--atelier-text-muted)}.sv-theme *[role=button],.sv-theme button,.sv-theme [tabindex]{cursor:pointer}.sv-theme *:focus-visible{outline:2px solid var(--atelier-accent);outline-offset:2px}.atelier-skeleton{background:linear-gradient(90deg,var(--atelier-surface-alt, #FAF6EF) 25%,var(--atelier-surface, #FFFFFF) 50%,var(--atelier-surface-alt, #FAF6EF) 75%);background-size:200% 100%;animation:atelier-shimmer 1.4s ease-in-out infinite;border-radius:var(--atelier-radius-lg, 14px)}@keyframes atelier-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@media(prefers-reduced-motion:reduce){.atelier-skeleton{animation:none;background:var(--atelier-surface-alt)}}.sv-theme .math-number,.sv-theme [data-type=number]{font-family:var(--font-mono-atelier, "Geist Mono", monospace)}.sv-theme .katex{font-size:1.1em}.sv-theme ::selection{background:var(--atelier-accent-soft, #FCE9DE)}.sv-theme ::-webkit-scrollbar{width:4px}.sv-theme ::-webkit-scrollbar-thumb{background:var(--atelier-border-strong, #C9BBA3);border-radius:4px}.sv-theme ::-webkit-scrollbar-track{background:transparent}@media(max-width:640px){.sv-theme ::-webkit-scrollbar{width:0}}.atelier-block-enter{animation:atelier-block-in .32s var(--ease-out, cubic-bezier(.16,1,.3,1)) both}@keyframes atelier-block-in{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}@media(prefers-reduced-motion:reduce){.atelier-block-enter{animation:none}}.sv-theme .bh-title{font-family:var(--font-display-atelier, "Fraunces", Georgia, serif);font-size:20px;font-weight:500;color:var(--atelier-text, #1F1B16)}.sv-theme .bh-instruction{font-size:15px;line-height:1.5;color:var(--atelier-text-muted, #6E665C)}.sv-theme [data-testid=student-answer-section]{border:1px solid var(--atelier-border, #E8DFD0);border-radius:var(--atelier-radius-md, 10px)}.sv-theme [data-testid=btn-submit-student-answer]:not(:disabled){background:var(--atelier-cta, #2D5F4E)!important;box-shadow:0 4px 14px #2d5f4e4d!important}@media(max-width:640px){.sv-theme .bh-title{font-size:18px}.sv-theme .bh-instruction{font-size:14px}}