@import"https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700;800&family=IBM+Plex+Sans+Arabic:wght@400;500;600;700&family=Noto+Sans+Arabic:wght@400;500;600;700&display=swap";.public-footer.svelte-194ws5c{border-top:1px solid color-mix(in srgb,var(--ui-border-default) 90%,transparent);background:linear-gradient(180deg,color-mix(in srgb,var(--ui-bg-page) 98%,transparent),color-mix(in srgb,var(--ui-surface-card) 92%,var(--ui-bg-page) 8%))}.public-footer.compact.svelte-194ws5c{margin-top:auto}.public-footer__inner.svelte-194ws5c{width:min(var(--size-content),calc(100% - 32px));margin:0 auto;padding:2.5rem 0 2rem;display:grid;gap:2rem}.public-footer__lead.svelte-194ws5c{display:grid;gap:1rem;padding-bottom:1.5rem;border-bottom:1px solid color-mix(in srgb,var(--ui-border-default) 90%,transparent)}.public-footer__brand.svelte-194ws5c{display:flex;align-items:flex-start;gap:.9rem}.public-footer__mark.svelte-194ws5c{width:2.5rem;height:2.5rem;display:grid;place-items:center;border-radius:calc(var(--ui-radius-md) + 2px);border:1px solid color-mix(in srgb,var(--ui-border-strong) 70%,transparent);background:color-mix(in srgb,var(--ui-surface-secondary) 78%,var(--ui-surface-card) 22%);color:var(--ui-text-primary);font-size:.75rem;font-weight:800;letter-spacing:.08em}.public-footer__title.svelte-194ws5c,.public-footer__copy.svelte-194ws5c,.public-footer__meta.svelte-194ws5c,.public-footer.svelte-194ws5c h2:where(.svelte-194ws5c),.public-footer.svelte-194ws5c ul:where(.svelte-194ws5c),.public-footer.svelte-194ws5c li:where(.svelte-194ws5c){margin:0}.public-footer__title.svelte-194ws5c{color:var(--ui-text-primary);font-size:1rem;font-weight:700;letter-spacing:-.02em}.public-footer__copy.svelte-194ws5c{margin-top:.35rem;max-width:54ch;color:var(--ui-text-secondary);font-size:var(--ui-type-body-sm);line-height:1.6}.public-footer__meta.svelte-194ws5c{color:var(--ui-text-muted);font-size:var(--ui-type-label)}.public-footer__grid.svelte-194ws5c{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1.5rem}.public-footer.svelte-194ws5c section:where(.svelte-194ws5c){display:grid;gap:.8rem}.public-footer.svelte-194ws5c h2:where(.svelte-194ws5c){color:var(--ui-text-primary);font-size:var(--ui-type-label);font-weight:700;letter-spacing:.08em;text-transform:uppercase}.public-footer.svelte-194ws5c nav:where(.svelte-194ws5c),.public-footer.svelte-194ws5c ul:where(.svelte-194ws5c){display:grid;gap:.55rem;padding:0;list-style:none}.public-footer.svelte-194ws5c a:where(.svelte-194ws5c),.public-footer.svelte-194ws5c li:where(.svelte-194ws5c){color:var(--ui-text-secondary);font-size:var(--ui-type-body-sm);line-height:1.5}.public-footer.svelte-194ws5c a:where(.svelte-194ws5c):hover{color:var(--ui-text-primary)}@media(max-width:960px){.public-footer__grid.svelte-194ws5c{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.public-footer__inner.svelte-194ws5c{width:min(100% - 24px,var(--size-content));padding:2rem 0 1.5rem}.public-footer__grid.svelte-194ws5c{grid-template-columns:1fr}}.ui-button.svelte-1xko78n{--button-bg: var(--ui-surface-secondary);--button-bg-hover: color-mix(in srgb, var(--ui-surface-secondary) 82%, var(--ui-text-primary) 18%);--button-bg-active: color-mix(in srgb, var(--ui-surface-secondary) 74%, var(--ui-text-primary) 26%);--button-fg: var(--ui-text-primary);--button-fg-hover: var(--ui-text-primary);--button-shadow: inset 0 0 0 1px transparent;border-radius:var(--ui-radius-sm);border:1px solid transparent;font-weight:600;letter-spacing:-.01em}.ui-button.svelte-1xko78n:focus-visible{box-shadow:var(--button-shadow),var(--ui-focus-ring-strong)}.ui-button[data-variant=primary].svelte-1xko78n{--button-bg: var(--ui-text-primary);--button-bg-hover: color-mix(in srgb, var(--ui-text-primary) 92%, var(--ui-bg-page) 8%);--button-bg-active: color-mix(in srgb, var(--ui-text-primary) 82%, var(--ui-bg-page) 18%);--button-fg: var(--ui-bg-page);--button-fg-hover: var(--ui-bg-page);--button-shadow: inset 0 0 0 1px transparent}.ui-button[data-variant=secondary].svelte-1xko78n{--button-bg: color-mix(in srgb, var(--ui-surface-secondary) 72%, var(--ui-surface-card) 28%);--button-bg-hover: color-mix(in srgb, var(--ui-surface-secondary) 64%, var(--ui-text-primary) 12%);--button-bg-active: color-mix(in srgb, var(--ui-surface-secondary) 58%, var(--ui-text-primary) 16%);--button-fg: var(--ui-text-primary);--button-fg-hover: var(--ui-text-primary);--button-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ui-text-primary) 7%, transparent)}.ui-button[data-variant=outline].svelte-1xko78n{--button-bg: color-mix(in srgb, var(--ui-surface-card) 88%, transparent);--button-bg-hover: color-mix(in srgb, var(--ui-surface-card) 78%, var(--ui-text-primary) 10%);--button-bg-active: color-mix(in srgb, var(--ui-surface-card) 72%, var(--ui-text-primary) 14%);--button-fg: var(--ui-text-primary);--button-fg-hover: var(--ui-text-primary);--button-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ui-text-primary) 10%, transparent)}.ui-button[data-variant=ghost].svelte-1xko78n{--button-bg: transparent;--button-bg-hover: var(--ui-surface-ghost);--button-bg-active: var(--ui-surface-ghost-strong);--button-fg: var(--ui-text-secondary);--button-fg-hover: var(--ui-text-primary);--button-shadow: inset 0 0 0 1px transparent}.ui-button[data-variant=destructive].svelte-1xko78n{--button-bg: var(--ui-accent-danger);--button-bg-hover: var(--ui-accent-danger-hover);--button-bg-active: color-mix(in srgb, var(--ui-accent-danger-hover) 84%, black 16%);--button-fg: #fff5f5;--button-fg-hover: #fff5f5;--button-shadow: inset 0 0 0 1px transparent}.ui-button[data-variant=success].svelte-1xko78n{--button-bg: var(--ui-accent-success-strong);--button-bg-hover: var(--ui-accent-success-hover);--button-bg-active: color-mix(in srgb, var(--ui-accent-success-hover) 84%, black 16%);--button-fg: #ecfdf5;--button-fg-hover: #ecfdf5;--button-shadow: inset 0 0 0 1px transparent}.ui-button[data-variant=warning].svelte-1xko78n{--button-bg: color-mix(in srgb, var(--ui-accent-warning) 20%, var(--ui-surface-card) 80%);--button-bg-hover: color-mix(in srgb, var(--ui-accent-warning) 30%, var(--ui-surface-card) 70%);--button-bg-active: color-mix(in srgb, var(--ui-accent-warning) 36%, var(--ui-surface-card) 64%);--button-fg: color-mix(in srgb, var(--ui-accent-warning) 72%, var(--ui-text-primary) 28%);--button-fg-hover: color-mix(in srgb, var(--ui-accent-warning) 82%, var(--ui-text-primary) 18%);--button-shadow: inset 0 0 0 1px color-mix(in srgb, var(--ui-accent-warning) 20%, transparent)}.ui-button__spinner.svelte-1xko78n{animation:svelte-1xko78n-ui-button-spin .7s linear infinite}@keyframes svelte-1xko78n-ui-button-spin{to{transform:rotate(360deg)}}.theme-toggle.svelte-bxe964{display:inline-flex;align-items:center;gap:var(--ui-space-1);padding:.18rem;border:1px solid var(--ui-border-default);border-radius:var(--ui-radius-md);background:color-mix(in srgb,var(--ui-surface-secondary) 70%,transparent);box-shadow:var(--ui-shadow-1)}.option.svelte-bxe964{min-height:var(--ui-control-height-sm);min-width:80px;border:1px solid transparent;border-radius:var(--ui-radius-sm);background:transparent;color:var(--ui-text-secondary);font-size:var(--ui-type-label);font-weight:600;cursor:pointer;transition:background var(--motion-fast) var(--ease-standard),border-color var(--motion-fast) var(--ease-standard),color var(--motion-fast) var(--ease-standard)}.option.svelte-bxe964:hover{color:var(--ui-text-primary)}.option.active.svelte-bxe964{color:var(--ui-text-primary);background:var(--ui-surface-card);border-color:var(--ui-border-strong);box-shadow:var(--ui-shadow-1)}.option.svelte-bxe964:focus-visible{outline:2px solid var(--color-focus-ring-strong);outline-offset:2px}@media(max-width:640px){.theme-toggle.svelte-bxe964{width:100%}.option.svelte-bxe964{flex:1;min-width:0}}.page-layout.svelte-185syx6{--page-layout-max-width: var(--size-page-default);--page-layout-gap: var(--layout-shell-page-gap);width:min(100%,var(--page-layout-max-width));min-width:0;margin-inline:auto;display:grid;align-content:start;gap:var(--page-layout-gap)}.page-layout--narrow.svelte-185syx6{--page-layout-max-width: var(--size-page-narrow)}.page-layout--wide.svelte-185syx6{--page-layout-max-width: var(--size-page-wide)}.page-layout--full.svelte-185syx6{--page-layout-max-width: var(--size-page-full)}.page-layout--fluid.svelte-185syx6{--page-layout-max-width: 100%}.page-layout--compact.svelte-185syx6{--page-layout-gap: var(--layout-shell-page-gap-tight)}.page-layout--spacious.svelte-185syx6{--page-layout-gap: var(--layout-shell-page-gap-spacious)}.ui-badge.svelte-16wd81y{--badge-bg: color-mix(in srgb, var(--ui-surface-secondary) 78%, transparent);--badge-border: var(--ui-border-default);--badge-fg: var(--ui-text-primary);border-radius:var(--ui-radius-sm);font-weight:600;letter-spacing:.01em}.ui-badge[data-variant=outline].svelte-16wd81y{--badge-bg: transparent;--badge-border: var(--ui-border-default)}.ui-badge[data-variant=solid].svelte-16wd81y{--badge-border: transparent}.ui-badge[data-tone=neutral].svelte-16wd81y{--badge-bg: color-mix(in srgb, var(--ui-surface-secondary) 90%, var(--ui-surface-card) 10%);--badge-border: var(--ui-border-default);--badge-fg: var(--ui-text-secondary)}.ui-badge[data-tone=accent].svelte-16wd81y{--badge-bg: var(--ui-surface-ghost);--badge-border: var(--ui-border-default);--badge-fg: var(--ui-text-primary)}.ui-badge[data-tone=info].svelte-16wd81y{--badge-bg: color-mix(in srgb, var(--ui-accent-info) 12%, transparent);--badge-border: color-mix(in srgb, var(--ui-accent-info) 26%, var(--ui-border-default) 74%);--badge-fg: color-mix(in srgb, var(--ui-accent-info) 82%, var(--ui-text-primary) 18%)}.ui-badge[data-tone=success].svelte-16wd81y{--badge-bg: color-mix(in srgb, var(--ui-accent-success) 12%, transparent);--badge-border: color-mix(in srgb, var(--ui-accent-success) 26%, var(--ui-border-default) 74%);--badge-fg: color-mix(in srgb, var(--ui-accent-success) 84%, var(--ui-text-primary) 16%)}.ui-badge[data-tone=warning].svelte-16wd81y{--badge-bg: color-mix(in srgb, var(--ui-accent-warning) 16%, transparent);--badge-border: color-mix(in srgb, var(--ui-accent-warning) 28%, var(--ui-border-default) 72%);--badge-fg: color-mix(in srgb, var(--ui-accent-warning) 84%, var(--ui-text-primary) 16%)}.ui-badge[data-tone=destructive].svelte-16wd81y{--badge-bg: color-mix(in srgb, var(--ui-accent-danger) 12%, transparent);--badge-border: color-mix(in srgb, var(--ui-accent-danger) 28%, var(--ui-border-default) 72%);--badge-fg: color-mix(in srgb, var(--ui-accent-danger) 84%, var(--ui-text-primary) 16%)}.ui-badge[data-variant=solid][data-tone=neutral].svelte-16wd81y,.ui-badge[data-variant=solid][data-tone=accent].svelte-16wd81y{--badge-bg: var(--ui-text-primary);--badge-fg: var(--ui-bg-page);--badge-border: transparent}.ui-badge[data-variant=solid][data-tone=info].svelte-16wd81y{--badge-bg: var(--info);--badge-fg: var(--info-foreground)}.ui-badge[data-variant=solid][data-tone=success].svelte-16wd81y{--badge-bg: var(--success);--badge-fg: var(--success-foreground)}.ui-badge[data-variant=solid][data-tone=warning].svelte-16wd81y{--badge-bg: var(--warning);--badge-fg: var(--warning-foreground)}.ui-badge[data-variant=solid][data-tone=destructive].svelte-16wd81y{--badge-bg: var(--destructive);--badge-fg: var(--destructive-foreground)}.ui-card.svelte-7d5xe5{--card-bg: var(--ui-surface-card);--card-fg: var(--ui-text-primary);--card-border-color: var(--ui-border-default);--card-shadow: none;--card-gap: var(--ui-space-4);--card-hover-border: var(--ui-border-strong);--card-hover-bg: color-mix(in srgb, var(--ui-surface-card) 90%, var(--ui-text-primary) 10%);--card-hover-shadow: none;border-radius:var(--ui-radius-md)}.ui-card.svelte-7d5xe5:is(button:where(.svelte-7d5xe5)){-moz-appearance:none;appearance:none;-webkit-appearance:none;font:inherit;text-align:inherit;color:inherit;background-clip:padding-box}.ui-card[data-variant=standard].svelte-7d5xe5{--card-bg: var(--ui-surface-card);--card-shadow: none}.ui-card[data-variant=secondary].svelte-7d5xe5{--card-bg: color-mix(in srgb, var(--ui-surface-secondary) 80%, var(--ui-surface-card) 20%);--card-shadow: none}.ui-card[data-variant=study].svelte-7d5xe5{--card-bg: var(--ui-surface-study);--card-shadow: none}.ui-card[data-variant=ghost].svelte-7d5xe5{--card-bg: color-mix(in srgb, var(--ui-surface-secondary) 62%, transparent);--card-shadow: none}.ui-card[data-variant=overlay].svelte-7d5xe5{--card-bg: var(--ui-surface-overlay);--card-fg: var(--ui-text-primary);--card-shadow: var(--ui-shadow-1)}.ui-card[data-border=none].svelte-7d5xe5{--card-border-color: transparent}.ui-card[data-border=default].svelte-7d5xe5{--card-border-color: var(--ui-border-default)}.ui-card[data-border=strong].svelte-7d5xe5{--card-border-color: var(--ui-border-strong)}.ui-card[data-border=dashed].svelte-7d5xe5{border-style:dashed}.dashboard-skeleton-card{min-height:112px;text-align:center}.value.svelte-m7u3vk,.label.svelte-m7u3vk{border-radius:999px;background:linear-gradient(90deg,color-mix(in srgb,var(--ui-surface-raised) 84%,transparent) 25%,color-mix(in srgb,var(--ui-surface-raised) 68%,white 32%),color-mix(in srgb,var(--ui-surface-raised) 84%,transparent) 75%);background-size:220% 100%;animation:svelte-m7u3vk-skeleton-shimmer 1.8s ease-in-out infinite;margin-inline:auto}.value.svelte-m7u3vk{height:2rem;width:62%;margin-bottom:.65rem}.label.svelte-m7u3vk{height:.95rem;width:74%}@keyframes svelte-m7u3vk-skeleton-shimmer{0%{background-position:130% 0}to{background-position:-100% 0}}.ui-page-header{display:grid;gap:var(--ui-page-header-gap);min-width:0;padding:var(--ui-page-header-padding)}.ui-page-header--framed{--ui-page-header-padding: var(--ui-space-5);border:1px solid color-mix(in srgb,var(--ui-text-primary) 10%,var(--ui-border-default) 90%);border-radius:var(--ui-radius-lg);background:radial-gradient(circle at top right,color-mix(in srgb,var(--ui-text-primary) 7%,transparent) 0%,transparent 42%),linear-gradient(180deg,color-mix(in srgb,var(--ui-surface-card) 96%,var(--ui-surface-secondary) 4%) 0%,var(--ui-surface-card) 100%);box-shadow:var(--ui-shadow-1)}.ui-page-header__main.svelte-9ptycp{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--ui-space-4);flex-wrap:wrap}.ui-page-header__copy.svelte-9ptycp{display:grid;gap:var(--ui-page-header-eyebrow-gap);min-width:0;flex:1 1 28rem}.ui-page-header__heading.svelte-9ptycp{display:grid;gap:var(--ui-space-1);min-width:0}.ui-page-header__heading.svelte-9ptycp h1:where(.svelte-9ptycp){margin:0;color:var(--ui-text-primary);font-size:var(--study-flow-title-size);line-height:1.08;letter-spacing:-.04em;text-wrap:balance}.ui-page-header__heading.svelte-9ptycp p:where(.svelte-9ptycp){margin:0;max-width:54ch;color:var(--ui-text-secondary);font-size:var(--study-flow-subtitle-size);line-height:1.55}.ui-page-header__actions.svelte-9ptycp{display:inline-flex;align-items:center;gap:var(--ui-space-2);flex-wrap:wrap}.ui-page-header__meta.svelte-9ptycp{display:grid;grid-template-columns:repeat(auto-fit,minmax(var(--ui-page-header-meta-column-min),1fr));gap:var(--ui-space-3)}.ui-page-header--centered .ui-page-header__main{justify-content:center;text-align:center}.ui-page-header--centered .ui-page-header__copy{justify-items:center}.ui-page-header--centered .ui-page-header__actions{justify-content:center}.ui-page-header--narrow{max-width:var(--size-content-narrow);margin-inline:auto}@media(max-width:640px){.ui-page-header--framed{--ui-page-header-padding: var(--ui-space-4)}.ui-page-header__actions.svelte-9ptycp{width:100%}.ui-page-header__actions.svelte-9ptycp .ui-button{flex:1 1 auto}.ui-page-header__meta.svelte-9ptycp{grid-template-columns:1fr}}.ui-progress.svelte-11qk1xf{position:relative;width:100%;height:.5rem;overflow:hidden;border-radius:var(--ui-radius-pill);background:var(--ui-progress-track)}.ui-progress__fill.svelte-11qk1xf{display:block;height:100%;border-radius:inherit;background:var(--ui-progress-fill);transition:width var(--motion-default) var(--ease-standard)}.ui-progress__fill--indeterminate.svelte-11qk1xf{width:42%;min-width:5rem;animation:svelte-11qk1xf-ui-progress-indeterminate 1.1s ease-in-out infinite}@keyframes svelte-11qk1xf-ui-progress-indeterminate{0%{transform:translate(-115%)}50%{transform:translate(35%)}to{transform:translate(215%)}}.ui-study-action-card{gap:var(--study-flow-card-gap);min-height:0;justify-content:space-between;border-radius:var(--study-flow-card-radius);background:var(--study-flow-card-surface);box-shadow:none}button.ui-study-action-card{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;text-align:inherit}.ui-study-action-card__header.svelte-35w0ec{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--ui-space-3)}.ui-study-action-card__hero.svelte-35w0ec{display:grid;gap:var(--ui-space-3)}.ui-study-action-card__icon.svelte-35w0ec{width:var(--study-flow-icon-box-size);height:var(--study-flow-icon-box-size);border-radius:var(--study-flow-icon-box-radius);display:inline-flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--ui-surface-secondary) 92%,transparent);color:var(--ui-text-primary)}.ui-study-action-card__icon.svelte-35w0ec svg{width:1.25rem;height:1.25rem}.ui-study-action-card__copy.svelte-35w0ec{display:grid;gap:0}.ui-study-action-card__copy.svelte-35w0ec h2:where(.svelte-35w0ec){margin:0;font-size:.95rem;color:var(--ui-text-primary);line-height:1.3;letter-spacing:-.02em;font-weight:500}.ui-study-action-card__status{min-height:var(--study-flow-chip-min-height);padding-inline:var(--study-flow-chip-padding-inline);border-radius:var(--study-flow-chip-radius);font-size:.75rem;letter-spacing:0;text-transform:none}.ui-study-action-card__status--ready{border-color:color-mix(in srgb,var(--ui-accent-success) 30%,var(--ui-border-default) 70%);background:color-mix(in srgb,var(--ui-accent-success) 10%,transparent);color:var(--ui-accent-success)}.ui-study-action-card__status--processing,.ui-study-action-card__status--generating{border-color:color-mix(in srgb,var(--ui-accent-warning) 28%,var(--ui-border-default) 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calc(var(--layout-shell-padding-block) + var(--size-bottom-nav) + env(safe-area-inset-bottom)) max(var(--ui-space-4),env(safe-area-inset-right));gap:var(--layout-shell-page-gap-tight)}}:root{--foundation-bg: #0f0f0f;--foundation-surface-card: #171717;--foundation-surface-secondary: #262626;--foundation-surface-overlay: #1d1d1d;--foundation-border: #2e2e2e;--foundation-border-strong: #434343;--foundation-text: #fafafa;--foundation-text-secondary: #c9c9c9;--foundation-text-muted: #737373;--foundation-success: #34d399;--foundation-success-button: #059669;--foundation-success-hover: #047857;--foundation-danger-button: #dc2626;--foundation-danger-hover: #b91c1c;--foundation-info: #60a5fa;--foundation-warning: #fbbf24;--foundation-backdrop: rgba(9, 9, 9, .72);--foundation-shadow-sm: 0 1px 2px rgba(0, 0, 0, .18);--foundation-shadow-md: 0 8px 20px rgba(0, 0, 0, .16);--foundation-shadow-lg: 0 18px 40px rgba(0, 0, 0, .22);--ui-bg-page: var(--foundation-bg);--ui-bg-shell: color-mix(in srgb, var(--foundation-bg) 92%, black);--ui-surface-card: var(--foundation-surface-card);--ui-surface-secondary: var(--foundation-surface-secondary);--ui-surface-study: color-mix(in srgb, var(--foundation-surface-secondary) 74%, var(--foundation-surface-card) 26%);--ui-surface-ghost: color-mix(in srgb, var(--foundation-text) 4%, transparent);--ui-surface-ghost-strong: color-mix(in srgb, var(--foundation-text) 8%, transparent);--ui-border-default: var(--foundation-border);--ui-border-strong: var(--foundation-border-strong);--ui-border-focus: color-mix(in srgb, var(--foundation-text) 18%, var(--foundation-border-strong) 82%);--ui-divider: var(--foundation-border);--ui-text-primary: var(--foundation-text);--ui-text-secondary: var(--foundation-text-secondary);--ui-text-muted: var(--foundation-text-muted);--ui-text-helper: color-mix(in srgb, var(--foundation-text-muted) 88%, var(--foundation-text) 12%);--ui-accent-foreground: var(--foundation-text);--ui-accent-success: var(--foundation-success);--ui-accent-success-strong: var(--foundation-success-button);--ui-accent-success-hover: var(--foundation-success-hover);--ui-accent-danger: var(--foundation-danger-button);--ui-accent-danger-hover: var(--foundation-danger-hover);--ui-accent-info: var(--foundation-info);--ui-accent-warning: var(--foundation-warning);--ui-progress-track: color-mix(in srgb, var(--foundation-border) 78%, transparent);--ui-progress-fill: var(--foundation-text);--ui-backdrop: var(--foundation-backdrop);--font-family-en: "Geist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-family-ar: "IBM Plex Sans Arabic", "Noto Sans Arabic", "Geist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-family-base: var(--font-family-en);--ui-type-label: .75rem;--ui-type-body-sm: .875rem;--ui-type-body-md: 1rem;--ui-type-body-lg: 1.125rem;--ui-type-title-sm: clamp(1.1rem, 1rem + .5vw, 1.4rem);--ui-type-title-md: clamp(1.45rem, 1.2rem + 1vw, 2rem);--ui-type-title-lg: clamp(1.95rem, 1.55rem + 1.6vw, 2.9rem);--ui-type-display: clamp(2.45rem, 1.95rem + 2.7vw, 4.5rem);--ui-space-0: 0;--ui-space-1: .25rem;--ui-space-2: .5rem;--ui-space-3: .75rem;--ui-space-4: 1rem;--ui-space-5: 1.5rem;--ui-space-6: 2rem;--ui-space-7: 2.5rem;--ui-space-8: 3rem;--ui-space-9: 4rem;--ui-space-10: 5rem;--ui-radius-xs: .5rem;--ui-radius-sm: .5rem;--ui-radius-md: .75rem;--ui-radius-lg: 1rem;--ui-radius-xl: 1.5rem;--ui-radius-pill: 999px;--ui-shadow-1: var(--foundation-shadow-sm);--ui-shadow-2: var(--foundation-shadow-md);--ui-shadow-3: var(--foundation-shadow-lg);--motion-fast: .14s;--motion-default: .18s;--motion-normal: var(--motion-default);--motion-slow: .26s;--ease-standard: cubic-bezier(.2, 0, .2, 1);--ui-control-height-sm: 2.25rem;--ui-control-height-md: 2.75rem;--ui-control-height-lg: 3.125rem;--size-topbar: 3.75rem;--size-bottom-nav: 4.5rem;--size-sidebar: 16rem;--size-sidebar-collapsed: 5rem;--size-drawer: 24rem;--size-content: 74rem;--size-content-wide: 80rem;--size-content-narrow: 52rem;--size-content-study: 46rem;--size-page-default: 64rem;--size-page-wide: var(--size-content-wide);--size-page-full: 96rem;--size-page-narrow: var(--size-content-narrow);--size-page-readable: 44rem;--size-page-study: var(--size-content-study);--size-page-study-wide: 56rem;--size-page-study-compact: 48rem;--size-page-study-session: 50rem;--size-page-study-session-content: 50rem;--size-page-study-session-shell: 100%;--size-page-study-hub: var(--size-page-study-wide);--layout-shell-padding-inline: clamp(1rem, .85rem + .8vw, 1.5rem);--layout-shell-padding-block: var(--ui-space-3);--layout-shell-page-gap-tight: var(--ui-space-3);--layout-shell-page-gap: var(--ui-space-4);--layout-shell-page-gap-spacious: var(--ui-space-5);--study-flow-page-gap: var(--ui-space-5);--study-flow-page-gap-mobile: var(--ui-space-4);--study-flow-header-gap: var(--ui-space-4);--study-flow-copy-gap: var(--ui-space-2);--study-flow-action-gap: var(--ui-space-2);--study-flow-reading-width: var(--size-page-study-compact);--study-flow-session-width: var(--size-page-study-session);--study-flow-session-content-width: var(--size-page-study-session-content);--study-flow-session-progress-width: 14rem;--study-flow-session-nav-button-min-width: 10.5rem;--study-flow-session-nav-button-height: 3rem;--study-flow-shell-width: var(--size-page-study-session-shell);--study-flow-hub-width: var(--size-page-study-hub);--study-flow-title-size: clamp(1.5rem, 1.35rem + .4vw, 1.75rem);--study-flow-subtitle-size: .9375rem;--study-flow-card-gap: var(--ui-space-3);--study-flow-card-radius: .875rem;--study-flow-card-surface: color-mix(in srgb, var(--ui-surface-card) 96%, transparent);--study-flow-chip-min-height: 1.5rem;--study-flow-chip-radius: .375rem;--study-flow-chip-padding-inline: .5rem;--study-flow-icon-box-size: 2.25rem;--study-flow-icon-box-radius: .625rem;--ui-page-header-gap: var(--ui-space-3);--ui-page-header-padding: 0;--ui-page-header-eyebrow-gap: var(--ui-space-2);--ui-page-header-meta-column-min: 180px;--upload-panel-gap: var(--ui-space-3);--upload-panel-padding: var(--ui-space-4);--upload-panel-bg: color-mix(in srgb, var(--ui-surface-card) 98%, transparent);--upload-panel-border: var(--ui-border-default);--upload-panel-shadow: none;--upload-panel-title: var(--ui-text-primary);--upload-panel-description: var(--ui-text-secondary);--upload-panel-support: var(--ui-text-muted);--upload-panel-error: color-mix(in srgb, var(--ui-accent-danger) 72%, var(--ui-text-primary) 28%);--upload-dropzone-gap: var(--ui-space-2);--upload-dropzone-padding-block: clamp(var(--ui-space-4), 3vw, var(--ui-space-5));--upload-dropzone-padding-inline: var(--ui-space-4);--upload-dropzone-radius: .5rem;--upload-dropzone-border-width: 1px;--upload-dropzone-bg: color-mix(in srgb, var(--ui-surface-secondary) 30%, transparent);--upload-dropzone-hover-bg: color-mix(in srgb, var(--ui-surface-secondary) 42%, transparent);--upload-dropzone-hover-border: color-mix(in srgb, var(--ui-text-primary) 18%, var(--ui-border-default) 82%);--upload-dropzone-icon-size: 2.75rem;--upload-dropzone-icon-radius: var(--ui-radius-pill);--upload-dropzone-icon-border: transparent;--upload-dropzone-icon-color: var(--ui-text-primary);--upload-dropzone-title: var(--ui-text-primary);--upload-dropzone-divider-width: min(30rem, 100%);--upload-dropzone-divider-label: var(--ui-text-muted);--background: var(--ui-bg-page);--foreground: var(--ui-text-primary);--card: var(--ui-surface-card);--card-foreground: var(--ui-text-primary);--popover: var(--ui-surface-overlay);--popover-foreground: var(--ui-text-primary);--border: var(--ui-border-default);--muted: var(--ui-surface-secondary);--muted-foreground: var(--ui-text-muted);--accent: var(--ui-surface-secondary);--accent-foreground: var(--ui-text-primary);--ring: var(--ui-border-focus);--primary: var(--ui-text-primary);--primary-foreground: var(--ui-bg-page);--sidebar: color-mix(in srgb, var(--ui-surface-card) 94%, black);--sidebar-accent: color-mix(in srgb, var(--ui-surface-secondary) 82%, var(--ui-surface-card) 18%);--success: var(--ui-accent-success);--success-foreground: #ecfdf5;--warning: var(--ui-accent-warning);--warning-foreground: #271800;--info: var(--ui-accent-info);--info-foreground: #eff6ff;--destructive: var(--ui-accent-danger);--destructive-foreground: #fef2f2;--surface-elevated: var(--ui-surface-secondary);--radius: var(--ui-radius-sm);--shadow-card: var(--ui-shadow-1);--shadow-popover: var(--ui-shadow-2);--shadow-dropdown: var(--ui-shadow-2);--shadow-modal: var(--ui-shadow-3);--shadow-inline-control: 0 1px 0 rgba(255, 255, 255, .02), var(--ui-shadow-1);--color-bg: var(--ui-bg-page);--color-sidebar: var(--sidebar);--color-surface-1: var(--ui-surface-card);--color-surface-2: var(--ui-surface-secondary);--color-surface-3: var(--ui-surface-study);--color-border: var(--ui-border-default);--color-border-strong-base: var(--ui-border-strong);--color-text-primary: var(--ui-text-primary);--color-text-muted: var(--ui-text-muted);--color-accent-primary: var(--ui-text-primary);--color-accent-secondary: color-mix(in srgb, var(--ui-text-primary) 72%, var(--ui-bg-page) 28%);--color-accent-surface: var(--ui-surface-ghost);--color-success-surface: color-mix(in srgb, var(--ui-accent-success) 12%, transparent);--color-danger-surface: color-mix(in srgb, var(--ui-accent-danger) 12%, transparent);--color-danger-border: color-mix(in srgb, var(--ui-accent-danger) 28%, var(--ui-border-default) 72%);--color-surface-overlay: color-mix(in srgb, var(--ui-surface-overlay) 96%, transparent);--color-accent-outline: color-mix(in srgb, var(--ui-text-primary) 18%, transparent);--color-accent-outline-strong: color-mix(in srgb, var(--ui-text-primary) 28%, transparent);--color-text-soft: var(--ui-text-primary);--color-success: var(--ui-accent-success);--color-warning: var(--ui-accent-warning);--color-danger: var(--ui-accent-danger);--color-info: var(--ui-accent-info);--color-text: var(--ui-text-primary);--color-text-secondary: var(--ui-text-secondary);--color-text-tertiary: color-mix(in srgb, var(--ui-text-secondary) 78%, var(--ui-text-muted) 22%);--color-text-faint: color-mix(in srgb, var(--ui-text-muted) 84%, var(--ui-text-primary) 16%);--color-text-on-dark: var(--ui-bg-page);--color-surface: var(--ui-surface-card);--color-surface-hover: color-mix(in srgb, var(--ui-surface-secondary) 90%, var(--ui-text-primary) 10%);--color-surface-panel: color-mix(in srgb, var(--ui-surface-card) 96%, transparent);--color-surface-panel-strong: color-mix(in srgb, var(--ui-surface-card) 88%, var(--ui-surface-secondary) 12%);--color-surface-panel-elevated: var(--ui-surface-overlay);--color-border-light: color-mix(in srgb, var(--ui-border-default) 62%, var(--ui-border-strong) 38%);--color-border-panel: color-mix(in srgb, var(--ui-text-primary) 12%, transparent);--color-border-panel-strong: color-mix(in srgb, var(--ui-text-primary) 18%, transparent);--color-accent: var(--ui-text-primary);--color-accent-light: var(--ui-text-primary);--color-accent-hover: var(--ui-text-primary);--color-accent-bg: var(--ui-surface-ghost);--color-accent-bg-hover: var(--ui-surface-ghost-strong);--color-danger-soft: #fecaca;--color-danger-soft-strong: #fca5a5;--font-size-xs: var(--ui-type-label);--font-size-sm: var(--ui-type-body-sm);--font-size-md: var(--ui-type-body-md);--font-size-lg: var(--ui-type-body-lg);--space-1: var(--ui-space-1);--space-2: var(--ui-space-2);--space-3: var(--ui-space-3);--space-4: var(--ui-space-4);--space-5: var(--ui-space-5);--space-6: var(--ui-space-6);--space-7: var(--ui-space-7);--space-8: var(--ui-space-8);--radius-1: var(--ui-radius-xs);--radius-2: var(--ui-radius-sm);--radius-3: var(--ui-radius-md);--ui-surface-base: var(--ui-surface-card);--ui-surface-raised: var(--ui-surface-secondary);--ui-surface-soft: color-mix(in srgb, var(--ui-surface-secondary) 70%, transparent);--ui-surface-overlay: var(--foundation-surface-overlay);--ui-border-subtle: var(--ui-border-default);--ui-border-accent: var(--ui-border-focus);--ui-shadow-sm: var(--ui-shadow-1);--ui-shadow-md: var(--ui-shadow-2);--ui-shadow-lg: var(--ui-shadow-3);--ui-focus-ring: 0 0 0 1px color-mix(in srgb, var(--ui-text-primary) 12%, transparent);--ui-focus-ring-strong: 0 0 0 3px color-mix(in srgb, var(--ui-text-primary) 18%, transparent);--upload-modal-width: min(920px, 100%);--upload-modal-bg: var(--ui-surface-card);--upload-modal-border: var(--ui-border-default);--upload-modal-shadow: var(--ui-shadow-3);--upload-modal-title: var(--ui-text-primary);--upload-modal-description: var(--ui-text-secondary);--upload-close-color: var(--ui-text-primary);--upload-close-hover-bg: var(--ui-surface-ghost);--upload-dropzone-bg: color-mix(in srgb, var(--ui-surface-secondary) 54%, transparent);--upload-dropzone-border: var(--ui-border-default);--upload-dropzone-text: var(--ui-text-primary);--upload-dropzone-or: var(--ui-text-muted);--upload-dropzone-active-bg: color-mix(in srgb, var(--ui-surface-secondary) 74%, var(--ui-text-primary) 10%);--upload-dropzone-active-border: var(--ui-border-strong);--upload-dropzone-icon-bg: var(--ui-surface-secondary);--upload-drag-chip-bg: var(--ui-surface-secondary);--upload-drag-chip-text: var(--ui-text-primary);--upload-support-text: var(--ui-text-secondary);--upload-file-row-bg: color-mix(in srgb, var(--ui-surface-secondary) 28%, transparent);--upload-file-row-border: var(--ui-border-default);--upload-file-name: var(--ui-text-primary);--upload-file-size: var(--ui-text-muted);--upload-file-remove: var(--ui-text-muted);--upload-file-remove-hover: #fca5a5;--upload-footer-border: var(--ui-border-default);--color-shadow: rgba(0, 0, 0, .42);--color-glow: rgba(0, 0, 0, 0);--color-backdrop-strong: var(--ui-backdrop);--color-code-bg: #141414;--color-focus-ring: color-mix(in srgb, var(--ui-text-primary) 12%, transparent);--color-focus-ring-strong: color-mix(in srgb, var(--ui-text-primary) 18%, transparent);--gradient-accent: linear-gradient(180deg, #ffffff 0%, #e8e8e8 100%);--gradient-accent-strong: linear-gradient(180deg, #ffffff 0%, #ececec 100%);--gradient-hero: radial-gradient(circle at top right, color-mix(in srgb, var(--ui-text-primary) 8%, transparent) 0%, transparent 44%), linear-gradient(180deg, color-mix(in srgb, var(--ui-surface-card) 92%, var(--ui-surface-secondary) 8%) 0%, var(--ui-surface-card) 100%);--gradient-card-border: none;--gradient-bg-radial: radial-gradient(circle at top, rgba(255, 255, 255, .028) 0%, transparent 58%);--gradient-footer: linear-gradient(180deg, var(--ui-bg-page) 0%, color-mix(in srgb, var(--ui-bg-page) 92%, black) 100%);--gradient-admin-action: linear-gradient(180deg, #ffffff, #d4d4d4);--gradient-admin-action-soft: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .03));--shadow-soft: var(--ui-shadow-1);--shadow-panel: var(--ui-shadow-1);--shadow-menu: var(--ui-shadow-2);--shadow-modal-strong: var(--ui-shadow-3)}[data-theme=light]{--foundation-bg: #f6f6f6;--foundation-surface-card: #ffffff;--foundation-surface-secondary: #f0f0f0;--foundation-surface-overlay: #ffffff;--foundation-border: #d6d6d6;--foundation-border-strong: #c4c4c4;--foundation-text: #171717;--foundation-text-secondary: #333333;--foundation-text-muted: #6a6a6a;--foundation-success: #059669;--foundation-success-button: #059669;--foundation-success-hover: #047857;--foundation-danger-button: #dc2626;--foundation-danger-hover: #b91c1c;--foundation-info: #2563eb;--foundation-warning: #d97706;--foundation-backdrop: rgba(15, 23, 42, .12);--foundation-shadow-sm: 0 1px 2px rgba(15, 23, 42, .08);--foundation-shadow-md: 0 12px 28px rgba(15, 23, 42, .12);--foundation-shadow-lg: 0 28px 64px rgba(15, 23, 42, .18);--success-foreground: #ecfdf5;--warning-foreground: #fff7ed;--info-foreground: #eff6ff;--destructive-foreground: #fef2f2;--color-danger-soft: #b91c1c;--color-danger-soft-strong: #991b1b;--color-shadow: rgba(15, 23, 42, .16);--color-code-bg: #eef2f7;--gradient-admin-action-soft: linear-gradient(180deg, rgba(15, 23, 42, .06), rgba(15, 23, 42, .02))}*,:before,:after{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x: 0;--tw-border-spacing-y: 0;--tw-translate-x: 0;--tw-translate-y: 0;--tw-rotate: 0;--tw-skew-x: 0;--tw-skew-y: 0;--tw-scale-x: 1;--tw-scale-y: 1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness: proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width: 0px;--tw-ring-offset-color: #fff;--tw-ring-color: rgb(59 130 246 / .5);--tw-ring-offset-shadow: 0 0 #0000;--tw-ring-shadow: 0 0 #0000;--tw-shadow: 0 0 #0000;--tw-shadow-colored: 0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }.\!container{width:100%!important}.container{width:100%}@media(min-width:640px){.\!container{max-width:640px!important}.container{max-width:640px}}@media(min-width:768px){.\!container{max-width:768px!important}.container{max-width:768px}}@media(min-width:1024px){.\!container{max-width:1024px!important}.container{max-width:1024px}}@media(min-width:1280px){.\!container{max-width:1280px!important}.container{max-width:1280px}}@media(min-width:1536px){.\!container{max-width:1536px!important}.container{max-width:1536px}}.pointer-events-none{pointer-events:none}.visible{visibility:visible}.collapse{visibility:collapse}.static{position:static}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.isolate{isolation:isolate}.block{display:block}.inline-block{display:inline-block}.flex{display:flex}.inline-flex{display:inline-flex}.table{display:table}.grid{display:grid}.contents{display:contents}.hidden{display:none}.size-10{width:2.5rem;height:2.5rem}.size-3{width:.75rem;height:.75rem}.size-4{width:1rem;height:1rem}.size-8{width:2rem;height:2rem}.size-9{width:2.25rem;height:2.25rem}.h-10{height:2.5rem}.h-4{height:1rem}.h-8{height:2rem}.h-9{height:2.25rem}.h-\[1\.15rem\]{height:1.15rem}.h-\[calc\(100\%-1px\)\]{height:calc(100% 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