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@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-cyrillic-ext-wght-normal-DjL33-gN.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-cyrillic-wght-normal-BEAKL7Jp.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-vietnamese-wght-normal-6IgcOCM7.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-latin-ext-wght-normal-DC-KSUi6.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Geist Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/assets/geist-latin-wght-normal-BgDaEnEv.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-primary-50:#f0f0ff;--color-primary-100:#e4e3ff;--color-primary-200:#cfceff;--color-primary-300:#aaa8f8;--color-primary-400:#7d7aee;--color-primary-500:#5e5ce6;--color-primary-600:#514fcf;--color-primary-700:#4643b5;--color-primary-800:#3b3996;--color-primary-900:#302f76;--color-neutral-0:#fff;--color-neutral-25:#fbfbfd;--color-neutral-50:#f5f5f7;--color-neutral-100:#eceff3;--color-neutral-200:#d9dee6;--color-neutral-300:#c5cbd4;--color-neutral-400:#a1a7b0;--color-neutral-500:#7a7d85;--color-neutral-600:#6e6e73;--color-neutral-700:#515154;--color-neutral-800:#313136;--color-neutral-900:#1d1d1f;--color-info:#5e5ce6;--color-info-soft:#eef;--color-success:#248a3d;--color-success-soft:#e8f7ec;--color-warning:#946200;--color-warning-soft:#fff4d6;--color-danger:#c9344a;--color-danger-soft:#ffebee;--color-primary:var(--color-primary-600);--color-primary-hover:var(--color-primary-700);--color-primary-active:var(--color-primary-800);--color-primary-soft:var(--color-primary-50);--color-on-primary:#fff;--color-selection-text:var(--color-primary-900);--color-selection-border:var(--color-primary-500);--color-selection-surface:var(--color-primary-100);--color-accent:#5e5ce6;--color-coral:#8e8e93;--color-text:var(--color-neutral-900);--color-text-primary:var(--color-neutral-900);--color-text-secondary:var(--color-neutral-600);--color-text-muted:var(--color-neutral-500);--color-border:#54576024;--color-border-strong:#484b543b;--color-border-subtle:#54576017;--color-surface:#fffffff0;--color-surface-subtle:#f8f8faf5;--color-surface-raised:#fff;--color-background:#f5f5f7;--color-sidebar:#ffffffa3;--canvas-warm:#f5f5f7;--canvas-cool:#eceff3;--canvas-slate:#78808c;--canvas-ink:#1d1d1f;--font-family-sans:"Geist", 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#11111a14;--shadow-lg:0 8px 18px #11111a14, 0 32px 76px #11111a21;--shadow-focus:0 0 0 3px #5e5ce638, 0 0 0 1px #ffffffe6;--shadow-card-hover:0 8px 18px #11111a12, 0 24px 48px #11111a17;--material-shell-background:#ffffffb8;--material-shell-border:#ffffffd1;--material-shell-shadow:0 12px 32px #1f232f17;--material-shell-blur:22px;--material-focus-background:linear-gradient(145deg, #ffffffd6, #e0e1fb94);--material-focus-border:#fffffff0;--material-focus-shadow:0 22px 58px #37358b29;--material-focus-blur:28px;--material-content-background:#ffffffe0;--material-content-border:#54576024;--material-content-shadow:0 12px 30px #23273212;--material-content-blur:17px;--material-support-background:#fafbfda8;--material-support-border:#5457601c;--material-support-shadow:0 6px 18px #2327320d;--material-support-blur:14px;--material-state-background:#ffffffe8;--material-state-border:var(--color-border-strong);--material-state-shadow:0 10px 26px #23273212;--material-state-accent:var(--color-info);--duration-fast:.15s;--duration-normal:.24s;--duration-slow:.426s;--ease-standard:cubic-bezier(.22, .61, .36, 1);--ease-decel:cubic-bezier(.16, 1, .3, 1);--z-sticky:20;--z-modal:100;--z-toast:120;--mobile-gutter:1rem;--mobile-compact-gap:.75rem;--mobile-topbar-height:4rem;--mobile-dock-height:4.25rem;--mobile-dock-inset:.5rem;--mobile-sticky-offset:calc(var(--mobile-dock-height) + var(--mobile-dock-inset) * 2 + env(safe-area-inset-bottom));--breakpoint-phone:36rem;--breakpoint-tablet:48rem;--breakpoint-desktop:72rem}*{box-sizing:border-box}html{background:var(--color-background);min-width:320px;min-height:100%;font-family:var(--font-family-sans);font-feature-settings:"cv02", "cv03", "cv04", "cv11";color:var(--color-text);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:radial-gradient(ellipse 80% 55% at 78% -6%, #9c7cff1c, transparent 55%), radial-gradient(ellipse 65% 48% at 8% 12%, #14c8e817, transparent 50%), radial-gradient(ellipse 50% 40% at 55% 105%, #14c8e80d, transparent 46%), var(--color-background);background-attachment:fixed;min-width:320px;min-height:100vh;margin:0}body:before{z-index:-2;pointer-events:none;content:"";background-color:#0000;background-image:linear-gradient(#38a0be0b 1px,#0000 1px),linear-gradient(90deg,#38a0be0b 1px,#0000 1px);background-position:0 0,0 0;background-repeat:repeat,repeat;background-size:44px 44px;background-attachment:scroll,scroll;background-origin:padding-box,padding-box;background-clip:border-box,border-box;position:fixed;inset:0;-webkit-mask-image:radial-gradient(90% 70% at 50% 30%,#000 20%,#0000 78%);mask-image:radial-gradient(90% 70% at 50% 30%,#000 20%,#0000 78%)}body:after{z-index:-1;pointer-events:none;opacity:.32;content:"";background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");position:fixed;inset:0}#root{isolation:isolate;min-height:100vh}.sr-only,.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a{color:var(--color-primary-700);text-underline-offset:.18em;transition:color var(--duration-fast) var(--ease-standard);text-decoration-color:#72e9fa59}a:hover{color:var(--color-primary-800)}h1,h2,h3,p{overflow-wrap:anywhere}h1,h2,h3{font-family:var(--font-family-display);font-weight:var(--font-weight-bold);letter-spacing:var(--letter-spacing-tight)}:focus-visible{outline:2px solid var(--color-primary);outline-offset:3px}:where(h1,h2)[tabindex="-1"][data-focus-ring=hidden]:focus{outline:none}::-webkit-scrollbar{width:.55rem;height:.55rem}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{border-radius:var(--radius-full);background:var(--color-neutral-300);border:1px solid #94d2eb14}::-webkit-scrollbar-thumb:hover{background:var(--color-primary-300)}*{scrollbar-width:thin;scrollbar-color:var(--color-neutral-300) transparent}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.brand{align-items:center;gap:var(--space-3);color:var(--color-text);font-weight:var(--font-weight-bold);text-decoration:none;display:inline-flex}.brand-mark{flex:none;width:2.75rem;height:2.75rem;display:block}.brand-mark img{object-fit:contain;width:100%;height:100%;display:block}.brand-copy{gap:.1rem;display:grid}.brand-text{line-height:1.1}.brand-kicker{color:var(--color-primary-400);font-family:var(--font-family-mono);font-size:.58rem;font-weight:var(--font-weight-medium);letter-spacing:var(--letter-spacing-mono)}.ui-button{justify-content:center;align-items:center;gap:var(--space-2);border-radius:var(--radius-md);cursor:pointer;min-width:0;font-weight:var(--font-weight-semibold);text-align:center;transition:color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-normal) var(--ease-standard), transform var(--duration-fast) var(--ease-decel);border:1px solid #0000;line-height:1;text-decoration:none;display:inline-flex;position:relative}.ui-button:not(:disabled):hover{transform:translateY(-1.5px)}.ui-button:focus-visible{box-shadow:var(--shadow-focus);outline:none}.ui-button:disabled,.ui-button[aria-disabled=true]{cursor:not-allowed;opacity:.48;transform:none}.ui-button--sm{min-height:2.75rem;padding:0 var(--space-4);font-size:var(--font-size-sm)}.ui-button--md{min-height:2.75rem;padding:0 var(--space-5);font-size:var(--font-size-sm)}.ui-button--lg{min-height:3.25rem;padding:0 var(--space-7);font-size:var(--font-size-md)}.ui-button--full-width{width:100%}.ui-button--primary{color:var(--color-on-primary);background:linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);border-color:#dad9ffd1;box-shadow:0 8px 20px #37358b38,inset 0 1px #ffffff61,inset 0 -1px #2a28803d}.ui-button--primary:not(:disabled):hover{color:var(--color-on-primary);background:linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-700) 100%);box-shadow:0 12px 26px #37358b47,inset 0 1px #ffffff70}.ui-button--secondary{border-color:var(--color-border-strong);color:var(--color-text);background:linear-gradient(145deg, var(--color-neutral-0), var(--color-neutral-100));box-shadow:var(--shadow-sm);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.ui-button--secondary:not(:disabled):hover{border-color:var(--color-primary-400);color:var(--color-primary-900);background:linear-gradient(145deg, var(--color-neutral-0), var(--color-primary-100));box-shadow:0 8px 20px #37358b21, var(--shadow-sm)}.ui-button--secondary:not(:disabled):active{border-color:var(--color-primary-500);color:var(--color-on-primary);background:linear-gradient(145deg, var(--color-primary-600), var(--color-primary-800));box-shadow:inset 0 2px 4px #2a288042, var(--shadow-sm)}.ui-button--ghost{color:var(--color-primary-700);background:0 0}.ui-button--ghost:not(:disabled):hover{background:#14c8e814;box-shadow:inset 0 0 0 1px #14c8e824}.ui-button--danger{color:#fff2f6;background:linear-gradient(145deg,#c9244f,#8a1b42);border-color:#ff5c8270;box-shadow:0 0 14px #ff5c821f,0 4px 12px #00000042}.ui-button--danger:not(:disabled):hover{background:linear-gradient(145deg,#e63964,#a32452);box-shadow:0 0 22px #ff5c8233,0 6px 16px #00000047}.ui-spinner{border-radius:var(--radius-full);border:2px solid;border-right-color:#0000;flex:none;animation:.72s linear infinite ui-spin;display:inline-block}.ui-spinner--sm{width:.875rem;height:.875rem}.ui-spinner--md{width:1.25rem;height:1.25rem}.ui-spinner--lg{width:1.75rem;height:1.75rem}@keyframes ui-spin{to{transform:rotate(360deg)}}.ui-skeleton{border-radius:var(--radius-md);background:linear-gradient(90deg, var(--color-neutral-100) 25%, var(--color-neutral-200) 50%, var(--color-neutral-100) 75%);background-size:200% 100%;max-width:100%;animation:1.5s ease-in-out infinite ui-skeleton-shimmer;display:block}@keyframes ui-skeleton-shimmer{to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.ui-skeleton{animation:none}}.ui-field{align-content:start;gap:var(--space-2);display:grid}.ui-field-label{justify-content:space-between;align-items:baseline;gap:var(--space-3);color:var(--color-text);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);display:flex}.ui-field-optional{color:var(--color-text-muted);font-size:var(--font-size-xs);font-weight:var(--font-weight-regular)}.ui-input-wrap,.ui-select-wrap{position:relative}.ui-input{width:100%;min-height:2.75rem;padding:0 var(--space-4);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);color:var(--color-text);transition:border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-normal) var(--ease-standard), background var(--duration-fast) var(--ease-standard);background:#030a14b8;outline:none;box-shadow:inset 0 2px 8px #0000003d,inset 0 -1px #ffffff08}.ui-input::placeholder{color:var(--color-neutral-400)}.ui-input:hover:not(:disabled){border-color:var(--color-primary-300)}.ui-input:focus{border-color:var(--color-primary);box-shadow:var(--shadow-focus), inset 0 2px 8px #0000002e;background:#030c16d1}.ui-input:disabled{cursor:not-allowed;color:var(--color-text-muted);background:#0e1a2ca8}.ui-input[aria-invalid=true],.ui-input-wrap--error .ui-input,.ui-input--error{border-color:var(--color-danger)}.ui-input[aria-invalid=true]:focus{box-shadow:0 0 0 2px var(--color-background), 0 0 0 4.5px #ff5c8280}.ui-input-leading{z-index:1;top:50%;left:var(--space-4);color:var(--color-text-muted);position:absolute;transform:translateY(-50%)}.ui-input--with-leading{padding-left:2.6rem}.ui-textarea{min-height:7.5rem;padding-block:var(--space-3);line-height:var(--line-height-normal);resize:vertical}.ui-select{appearance:none;padding-right:2.5rem}.ui-select-chevron{top:50%;right:var(--space-3);pointer-events:none;color:var(--color-text-muted);position:absolute;transform:translateY(-56%)}.ui-field-hint,.ui-field-error{font-size:var(--font-size-xs);line-height:var(--line-height-normal);margin:0}.ui-field-hint{color:var(--color-text-muted)}.ui-field-error{color:var(--color-danger)}.ui-card{border:1px solid var(--glass-border);border-radius:var(--radius-xl);background:linear-gradient(155deg, var(--glass-highlight) 0%, transparent 40%), linear-gradient(160deg, #1020388c, #070f1cb8);min-width:0;-webkit-backdrop-filter:blur(var(--glass-blur)) saturate(130%);backdrop-filter:blur(var(--glass-blur)) saturate(130%);transition:border-color var(--duration-normal) var(--ease-standard), box-shadow var(--duration-normal) var(--ease-standard), transform var(--duration-normal) var(--ease-standard);position:relative}.ui-card--default{box-shadow:var(--shadow-sm), var(--glass-inner-glow)}.ui-card--muted{background:linear-gradient(155deg, #ffffff06 0%, transparent 36%), var(--color-surface-subtle);box-shadow:inset 0 1px #ffffff08}.ui-card--elevated{border-color:var(--glass-border-bright);box-shadow:var(--shadow-md), var(--shadow-glow)}.ui-card--accent{background:radial-gradient(ellipse at 88% -4%, #9c7cff24, transparent 46%), linear-gradient(155deg, var(--glass-highlight-strong) 0%, transparent 38%), linear-gradient(160deg, #141c389e, #080e1ec2);box-shadow:var(--shadow-md), var(--shadow-glow-accent);border-color:#9c7cff42}.ui-card--padding-sm{padding:var(--space-4)}.ui-card--padding-md{padding:var(--space-6)}.ui-card--padding-lg{padding:var(--space-8)}.ui-badge{align-items:center;gap:var(--space-2);width:fit-content;min-height:1.625rem;padding:0 var(--space-3);border-radius:var(--radius-full);border:1px solid var(--color-border);color:var(--color-neutral-700);font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);letter-spacing:.02em;white-space:nowrap;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0c1a2ccc;display:inline-flex}.ui-badge-dot{border-radius:var(--radius-full);background:currentColor;width:.38rem;height:.38rem;box-shadow:0 0 6px}.ui-badge--info{color:var(--color-primary-700);background:var(--color-info-soft);border-color:#38dcf538}.ui-badge--success{color:var(--color-success);background:var(--color-success-soft);border-color:#3df5a438}.ui-badge--warning{color:var(--color-warning);background:var(--color-warning-soft);border-color:#ffc44d38}.ui-badge--danger{color:var(--color-danger);background:var(--color-danger-soft);border-color:#ff5c8238}.ui-alert{gap:var(--space-3);padding:var(--space-4);border-radius:var(--radius-md);color:var(--color-text);border:1px solid #0000;grid-template-columns:auto minmax(0,1fr) auto;align-items:start;display:grid}.ui-alert--info{background:linear-gradient(135deg, var(--color-info-soft), #06202c99);border-color:#38dcf538}.ui-alert--success{background:linear-gradient(135deg, var(--color-success-soft), #04221a99);border-color:#3df5a442}.ui-alert--warning{background:linear-gradient(135deg, var(--color-warning-soft), #241a0699);border-color:#ffc44d42}.ui-alert--danger{background:linear-gradient(135deg, var(--color-danger-soft), #240a1499);border-color:#ff5c8242}.ui-alert-symbol{border-radius:var(--radius-full);width:1.5rem;height:1.5rem;color:var(--color-surface);background:var(--color-info);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);place-items:center;display:grid}.ui-alert--success .ui-alert-symbol{background:var(--color-success)}.ui-alert--warning .ui-alert-symbol{background:var(--color-warning)}.ui-alert--danger .ui-alert-symbol{background:var(--color-danger)}.ui-alert-content strong,.ui-toast strong{font-size:var(--font-size-sm);display:block}.ui-alert-description,.ui-alert-description p{margin:var(--space-1) 0 0;color:var(--color-text-secondary);font-size:var(--font-size-sm);line-height:var(--line-height-normal)}.ui-icon-button{border-radius:var(--radius-sm);cursor:pointer;width:2rem;height:2rem;color:var(--color-text-secondary);font-size:var(--font-size-lg);transition:color var(--duration-fast), background var(--duration-fast);background:0 0;border:0;place-items:center;padding:0;display:inline-grid}.ui-icon-button:hover{color:var(--color-text);background:#38dcf517}.ui-empty-state{text-align:center;place-items:center;min-height:18rem;display:grid}.ui-empty-state-icon{width:3.75rem;height:3.75rem;margin-bottom:var(--space-4);border-radius:var(--radius-xl);border:1px solid var(--glass-border-bright);color:var(--color-primary-700);background:linear-gradient(#38dcf50d 1px, transparent 1px), linear-gradient(90deg, #38dcf50d 1px, transparent 1px), var(--color-primary-50);font-size:var(--font-size-2xl);background-size:10px 10px,10px 10px,auto;place-items:center;display:grid;box-shadow:0 0 20px #14c8e81a}.ui-empty-state h3,.ui-empty-state p{margin:0}.ui-empty-state p{max-width:28rem;margin-top:var(--space-2);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.ui-empty-state-action{margin-top:var(--space-5)}.ui-page-header{justify-content:space-between;align-items:flex-start;gap:var(--space-8);margin-bottom:var(--space-8);display:flex}.ui-page-header-copy{min-width:0}.ui-eyebrow{margin:0 0 var(--space-2);color:var(--color-primary-500);font-family:var(--font-family-mono);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);letter-spacing:.14em;text-transform:uppercase}.ui-page-header h1{color:var(--color-text);font-size:clamp(var(--font-size-3xl), 4vw, var(--font-size-4xl));line-height:var(--line-height-tight);letter-spacing:var(--letter-spacing-tight);margin:0}.ui-page-header-description{max-width:46rem;margin:var(--space-3) 0 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.app-shell-avatar{width:2.25rem;height:2.25rem}.app-shell[data-focus-mode=practice-quick] .app-shell-main{min-height:calc(100dvh - 3.5rem);padding:max(.35rem, env(safe-area-inset-top)) max(.35rem, env(safe-area-inset-right)) max(.5rem, env(safe-area-inset-bottom)) max(.35rem, env(safe-area-inset-left))}.developer-admin-shell{min-height:100dvh;padding-bottom:calc(var(--mobile-sticky-offset) + var(--space-4));display:block}.developer-admin-sidebar{display:none}.developer-admin-topbar{min-height:var(--mobile-topbar-height);padding-inline:var(--mobile-gutter)}.developer-admin-mobile-nav{z-index:var(--z-sticky);min-height:calc(var(--mobile-dock-height) + env(safe-area-inset-bottom));padding:var(--space-1) var(--space-2) calc(var(--space-1) + env(safe-area-inset-bottom));border-top:1px solid var(--color-border);background:var(--color-surface);grid-template-columns:repeat(3,1fr);display:grid;position:fixed;bottom:0;left:0;right:0}.developer-admin-mobile-nav a{border-radius:var(--radius-md);min-height:3.75rem;color:var(--color-text-muted);font-size:.6875rem;font-weight:var(--font-weight-medium);flex-direction:column;justify-content:center;align-items:center;gap:.125rem;text-decoration:none;display:flex}.developer-admin-mobile-nav a[aria-current=page]{color:var(--color-warning);background:var(--color-warning-soft)}}@media (width<=36rem){.site-header{min-height:3.5rem;padding-inline:var(--space-4)}.site-header .brand-copy,.nav-link--desktop{display:none}.nav-link{padding-inline:var(--space-3)}.main-content{width:min(100% - 2rem,72rem);padding:var(--space-8) 0 var(--space-16)}.app-shell-topbar{padding-inline:var(--mobile-gutter)}.app-shell-main{padding:var(--space-5) var(--mobile-gutter) var(--space-8)}.developer-admin-topbar{padding-inline:var(--mobile-gutter)}}.app-shell-announcement{border:1px solid color-mix(in srgb, var(--color-primary) 28%, var(--glass-border));border-radius:var(--radius-lg);background:color-mix(in srgb, 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dt,.hero-signal-strip dd{margin:0}.hero-signal-strip dt{color:var(--color-primary-600);font-family:var(--font-family-mono);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);text-shadow:0 0 8px #14c8e84d}.hero-signal-strip dd{color:var(--color-text-muted);font-size:var(--font-size-xs)}.health-panel,.status-page{border:1px solid var(--glass-border-bright);border-radius:var(--radius-xl);background:radial-gradient(ellipse at 100% 0%, #9c7cff1a, transparent 50%), linear-gradient(155deg, var(--glass-highlight-strong) 0%, transparent 34%), linear-gradient(160deg, #0c1c30d6, #050c18e6);box-shadow:var(--shadow-lg), 0 0 36px #14c8e80f;-webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur));position:relative;overflow:hidden}.health-panel{min-width:0;padding:var(--space-6)}.health-panel:before,.health-panel:after{pointer-events:none;content:"";position:absolute}.health-panel:before{border-top:1.5px solid var(--color-primary-500);border-right:1.5px solid var(--color-primary-500);opacity:.4;width:4.5rem;height:4.5rem;top:0;right:0}.health-panel:after{right:var(--space-5);bottom:var(--space-5);border-radius:var(--radius-full);background:var(--color-primary);width:.4rem;height:.4rem;box-shadow:0 0 9px var(--color-primary);animation:2.2s ease-in-out infinite signal-pulse}.health-panel .section-heading:after{background:linear-gradient(90deg, var(--color-primary), transparent);content:"";align-self:center;width:2.5rem;height:1px}.section-heading{justify-content:space-between;align-items:flex-start;gap:var(--space-4);margin-bottom:var(--space-4);display:flex}.section-heading h2,.placeholder-card h2{margin:0}.section-heading h2{font-size:var(--font-size-xl)}.section-heading p,.placeholder-card p{margin:var(--space-1) 0 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a{min-height:2.75rem;padding-inline:var(--space-1);color:var(--color-primary-700);font-weight:var(--font-weight-semibold);text-underline-offset:.2em;align-items:center;display:inline-flex}.auth-form-switch{margin:calc(var(--space-2) * -1) 0 0;color:var(--color-text-secondary);text-align:center;font-size:var(--font-size-sm)}.auth-form-switch a{color:var(--color-primary-700);font-weight:var(--font-weight-semibold);text-underline-offset:.2em}.login-role-panel{flex-direction:column;align-items:flex-start;display:flex}.login-role-panel .ui-badge{margin-top:var(--space-6)}.login-role-panel h2,.login-role-panel p{margin:0}.login-role-panel h2{margin-top:var(--space-3)}.login-role-panel>p{margin-top:var(--space-3);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.login-role-panel .ui-alert{width:100%;margin-top:auto}.registration-notes{gap:var(--space-3);margin:var(--space-6) 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p{margin-top:var(--space-2);color:var(--color-text-secondary);line-height:var(--line-height-normal)}.token-grid{gap:var(--space-3);grid-template-columns:repeat(5,minmax(0,1fr));display:grid}.token-grid .ui-card{gap:var(--space-3);display:grid}.token-grid code{color:var(--color-text-muted);font-family:var(--font-family-mono);text-overflow:ellipsis;font-size:.675rem;overflow:hidden}.token-swatch{border-radius:var(--radius-md);border:1px solid #ffffff12;height:4rem;display:block;box-shadow:inset 0 0 16px #ffffff0a}.component-stack{gap:var(--space-6);display:grid}.component-row{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.form-preview-grid{gap:var(--space-6);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.form-preview-grid-span{grid-column:1/-1}.learning-page{gap:var(--space-12);display:grid}.learning-page>.ui-page-header{margin-bottom:0}.learning-eyebrow{margin:0 0 var(--space-2);color:var(--color-primary-500);font-family:var(--font-family-mono);font-size:var(--font-size-xs);font-weight:var(--font-weight-bold);letter-spacing:.14em;text-transform:uppercase;text-shadow:0 0 12px #14c8e829}.learning-loading{gap:var(--space-5);display:grid}.learning-skeleton-grid{gap:var(--space-5);margin-top:var(--space-4);grid-template-columns:repeat(3,minmax(0,1fr));display:grid}.learning-error{gap:var(--space-5);grid-template-columns:auto minmax(0,1fr) auto;align-items:center;display:grid}.learning-error h1,.learning-error p{margin:0}.learning-error p{margin-top:var(--space-2);color:var(--color-text-secondary)}.learning-state-symbol{border-radius:var(--radius-lg);width:3rem;height:3rem;color:var(--color-danger);background:var(--color-danger-soft);font-size:var(--font-size-xl);font-weight:var(--font-weight-bold);place-items:center;display:grid}.course-hero-card{gap:var(--space-10);border-color:var(--glass-border-bright);grid-template-columns:minmax(0,1.4fr) 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var(--font-size-4xl))}.course-hero-copy>p:not(.learning-eyebrow){max-width:42rem;margin-top:var(--space-3);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.course-facts{gap:var(--space-6);margin-top:var(--space-6);color:var(--color-text-secondary);flex-wrap:wrap;display:flex}.course-facts strong{color:var(--color-text)}.course-progress-panel{gap:var(--space-2);padding:var(--space-6);border:1px solid var(--glass-border-bright);border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#040c1899;display:grid;box-shadow:inset 0 0 20px #14c8e80a}.course-progress-panel>strong{font-family:var(--font-family-mono);font-size:var(--font-size-3xl);text-shadow:0 0 16px #14c8e824}.course-progress-panel>span{color:var(--color-text-secondary);font-size:var(--font-size-sm)}.learning-progress{gap:var(--space-2);margin-top:var(--space-4);display:grid}.learning-progress-copy{justify-content:space-between;gap:var(--space-4);color:var(--color-text-secondary);font-size:var(--font-size-xs);display:flex}.learning-progress-copy strong{color:var(--color-text)}.learning-progress-track{border-radius:var(--radius-full);background:#020810bd;border:1px solid #38dcf514;height:.45rem;overflow:hidden;box-shadow:inset 0 2px 5px #0000004d}.learning-progress-track>span{border-radius:inherit;background:linear-gradient(90deg, var(--color-primary-400), var(--color-primary-600), var(--color-accent));height:100%;transition:width var(--duration-normal) var(--ease-standard);display:block;position:relative;overflow:hidden;box-shadow:0 0 10px #14c8e852}.learning-progress-track>span:after{content:"";background:linear-gradient(90deg,#0000,#fff6,#0000);animation:3s ease-in-out infinite 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8px,auto;place-items:center;display:grid;box-shadow:inset 0 0 12px #14c8e80f,0 0 14px #14c8e814}.continue-card-index{width:3.5rem;height:3.5rem;font-size:var(--font-size-lg)}.continue-card h3{margin-top:var(--space-3);font-size:var(--font-size-xl)}.continue-card p{margin-top:var(--space-1);color:var(--color-text-secondary)}.learning-chapter-grid,.recommendation-grid{gap:var(--space-5);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.learning-chapter-grid--wide{align-items:stretch}.learning-chapter-card{flex-direction:column;min-height:18rem;display:flex}.learning-chapter-card h2{margin:var(--space-5) 0 0;font-size:var(--font-size-xl)}.learning-chapter-card h2 a{color:var(--color-text);transition:color var(--duration-fast);text-decoration:none}.learning-chapter-card h2 a:hover{color:var(--color-primary-700)}.learning-chapter-card>p{margin:var(--space-2) 0 0;color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.learning-chapter-card 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i{border-radius:var(--radius-full);background:#5e5ce6;width:1.1rem;height:.18rem;position:absolute;transform:rotate(35deg)}.landing-kit-mark i:last-child{background:#55cfc4;width:.8rem;transform:translate(.28rem,.28rem)rotate(-35deg)}.landing-kit-grid{z-index:5;margin-top:var(--space-6);grid-template-columns:minmax(0,.92fr) minmax(0,1.18fr);grid-template-areas:"actions search""quick task""create utility""status feedback""tabs feedback";gap:clamp(1rem,2.3vw,2rem);display:grid;position:relative}.landing-kit-actions{gap:var(--space-4);grid-area:actions;min-width:0;display:grid}.landing-kit-grid button{font:inherit}.landing-kit-quick-actions{grid-area:quick}.kit-search-pill{grid-area:create}.kit-status-card{grid-area:status}.kit-tabs{grid-area:tabs}.kit-search-module{grid-area:search}.kit-task-row{grid-area:task}.kit-utility-row{grid-area:utility}.kit-feedback-card{grid-area:feedback}.kit-pill{border-radius:var(--radius-full);color:#fff;cursor:pointer;min-height:4.6rem;transition:transform 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span{color:#6e6e73;font-size:var(--font-size-xs)}.kit-status-card strong{margin-top:var(--space-2)}.kit-status-card i{top:var(--space-5);right:var(--space-5);color:#34c759;font-size:1.35rem;font-style:normal;position:absolute}.kit-tabs{border-radius:var(--radius-full);background:#ffffff24;border:1px solid #ffffff70;grid-template-columns:1fr 1fr;min-height:4.2rem;padding:.25rem;display:grid;box-shadow:inset 0 1px #ffffff7a,0 14px 24px #11111a29}.kit-tabs button{border-radius:var(--radius-full);color:#313136;cursor:pointer;background:0 0;border:0}.kit-tabs button[aria-selected=true]{box-shadow:var(--glass-control-depth);background:#ffffffd1}.kit-search-module{min-height:12.5rem;padding:var(--space-5);background:radial-gradient(circle at 88% 15%,#8e6ff24d,#0000 30%),linear-gradient(145deg,#a0efe894,#76b5d46b);border:1px solid #cbfbf894;border-radius:2rem;box-shadow:inset 0 2px 1px #ffffffb8,inset 0 -7px 10px #365a702e,0 24px 34px #28546938,14px 22px 34px 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i:last-child{background:#53cfc4;width:.85rem;transform:translate(.3rem,.25rem)rotate(35deg)}.kit-search-module>div:last-child{margin-top:var(--space-5);padding-left:var(--space-5);border-radius:var(--radius-full);color:#515154;background:#ffffffd6}.kit-search-module>div:last-child>span{font-size:var(--font-size-sm)}.kit-search-module>div:last-child button{color:#fff;background:#5e5ce6;border:1px solid #ffffff9e;border-radius:50%;place-items:center;width:3.8rem;height:3.8rem;font-size:1.75rem;display:grid;box-shadow:inset 0 1px #ffffff8a,0 12px 20px #4e44ae47}.kit-task-row{min-height:4.4rem;padding:.4rem .5rem .4rem var(--space-4);border-radius:var(--radius-full);color:#313136;cursor:pointer;background:#ffffff57;border:1px solid #ffffff8c;justify-content:space-between;align-items:center;display:flex;box-shadow:inset 0 1px #ffffff94,0 15px 24px #11111a2b}.kit-task-row span{align-items:center;gap:var(--space-2);font-size:var(--font-size-sm);display:flex}.kit-task-row span i{color:#fff;background:#5e5ce6;border-radius:50%;place-items:center;width:1.65rem;height:1.65rem;font-style:normal;display:grid}.kit-task-row b{color:#fff;background:#6c7a8c61;border:2px solid #ffffff9e;border-radius:50%;place-items:center;width:3.1rem;height:3.1rem;font-size:1.8rem;display:grid}.kit-utility-row{justify-content:space-between}.kit-tool-pill{min-height:3.6rem;padding:0 var(--space-4);align-items:center;gap:var(--space-2);border-radius:var(--radius-full);color:#313136;box-shadow:var(--glass-control-depth);background:#ffffff4d;border:1px solid #ffffff80;display:flex}.kit-tool-pill i{color:#5e5ce6;font-style:normal}.kit-switch{border-radius:var(--radius-full);cursor:pointer;background:#ffffff2e;border:1px solid #ffffff85;width:4.4rem;height:2.75rem;padding:.25rem}.kit-switch span{width:2rem;height:2rem;transition:transform .426s var(--ease-decel);background:#ffffffe0;border-radius:50%;display:block;box-shadow:0 5px 10px #11111a3b}.kit-switch[data-active=true]{background:#53cfc2b8}.kit-switch[data-active=true] span{transform:translate(1.55rem)}.kit-feedback-card{min-height:13.8rem;padding:var(--space-6);color:#24242a;background:radial-gradient(circle at 3% 95%,#f69db58a,#0000 38%),radial-gradient(circle at 98% 94%,#56e0d78a,#0000 38%),linear-gradient(145deg,#f5becdb8,#a28eefad 52%,#71c1e1a8);border:1px solid #ffffff8a;border-radius:2rem;box-shadow:inset 0 2px 1px #ffffff9e,inset 0 -7px 10px #3d496f29,0 24px 38px #3f42763b}.kit-feedback-card>span{font-size:var(--font-size-xs)}.kit-feedback-card h3{margin:var(--space-3) 0 var(--space-2);font-size:clamp(1.15rem,2vw,1.55rem)}.kit-feedback-card p{color:#24242aad;font-size:var(--font-size-sm);margin:0;line-height:1.55}.kit-feedback-card button{min-height:3rem;margin-top:var(--space-5);padding:0 var(--space-4);align-items:center;gap:var(--space-2);border-radius:var(--radius-full);color:#313136;box-shadow:var(--glass-control-depth);cursor:pointer;background:#ffffffc7;border:0;display:flex}.kit-feedback-card button b{font-size:1.2rem}.landing-marquee{border-block:1px solid var(--color-border);-webkit-backdrop-filter:blur(18px)saturate(116%);background:#ffffff8a;width:100%;overflow:hidden}.landing-marquee-track{width:max-content;min-width:200%;animation:26s linear infinite landing-marquee-loop;display:flex}.landing-marquee-track span{min-height:5.4rem;color:var(--color-text-secondary);white-space:nowrap;align-items:center;gap:clamp(1.5rem,3vw,3.2rem);padding-inline:clamp(1.5rem,3vw,3.2rem);font-size:clamp(1rem,1.4vw,1.24rem);font-weight:600;display:flex}.landing-marquee-track i{background:#5e5ce6;border-radius:50%;width:.48rem;height:.48rem;box-shadow:0 0 0 5px #5e5ce617}.landing-section{width:min(var(--landing-max), calc(100% - 3rem));margin-inline:auto;padding:clamp(9rem,14vw,13rem) 0}.landing-section-heading{gap:var(--space-5) clamp(2rem, 6vw, 6rem);grid-template-columns:minmax(0,.42fr) minmax(0,1fr);max-width:74rem;margin-bottom:clamp(4rem,8vw,7rem);display:grid}.landing-section-heading .landing-eyebrow{grid-row:1/span 2}.landing-section-heading h2,.landing-cta h2{margin:0;font-size:clamp(2.7rem,5vw,5.2rem);font-weight:620;line-height:.98}.landing-section-heading>span{max-width:44rem;color:var(--color-text-secondary);line-height:1.8}.landing-section-heading--center{text-align:center;grid-template-columns:1fr;margin-inline:auto}.landing-section-heading--center .landing-eyebrow{grid-row:auto}.landing-section-heading--center>span{margin-inline:auto}.landing-bento{border-radius:var(--radius-shell);grid-template-rows:repeat(2,minmax(24rem,auto));grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-flow:dense;background:linear-gradient(-1.32deg,#0000 47%,#ffffff29 48%,#0000 49%) 0 0/6.5rem 6.5rem,radial-gradient(circle at 6% 92%,#f8c4ab3d,#0000 29%),radial-gradient(circle at 93% 8%,#65ced33b,#0000 30%),radial-gradient(circle at 65% 62%,#736fed2e,#0000 30%),repeating-linear-gradient(0deg,#0000 0 56px,#464d5b1c 57px 58px,#0000 59px 86px),repeating-linear-gradient(90deg,#0000 0 72px,#464d5b1a 73px 74px,#0000 75px 108px),linear-gradient(132deg,#e8ddd5d1,#d2dae5cc);border:1.5px solid #ffffffd1;gap:0;display:grid;position:relative;overflow:hidden;box-shadow:inset 0 3px 2px #fffffff5,inset 0 -8px 13px #373d4a30,0 2.5rem 5rem #23273229}.landing-bento-card{-webkit-backdrop-filter:blur(17px)saturate(132%)contrast(104%);background:radial-gradient(circle at 88% 4%,#ffffff8a,#0000 28%),radial-gradient(circle at 4% 96%,#7673eb1c,#0000 34%),linear-gradient(145deg,#ffffff6b,#e1e7ef38);border:1px solid #ffffff73;align-content:space-between;min-width:0;padding:clamp(2.2rem,4.5vw,4rem);display:grid;position:relative;overflow:hidden;box-shadow:inset 0 2px 1px #fffffff5,inset 0 -5px 8px #32384526,inset 2px 0 3px #ffffff5c,inset -1px -1px #60697c24}.landing-bento-card:before{z-index:0;border-radius:var(--radius-full);pointer-events:none;content:"";background:linear-gradient(90deg,#0000,#fff,#0000);height:2px;position:absolute;inset:1px 10% auto}.landing-bento-card>*{z-index:1;position:relative}.landing-bento-card--learning{grid-column:span 7}.landing-bento-card--ai{grid-column:span 5}.landing-bento-card--teacher{grid-column:span 4}.landing-bento-card--feedback{grid-column:span 8}.landing-bento-card h3{max-width:34rem;margin:var(--space-3) 0;font-size:clamp(1.65rem,2.7vw,2.8rem);line-height:1.04}.landing-bento-card div>span{max-width:35rem;color:var(--color-text-secondary);line-height:1.75;display:block}.landing-bento-card--teacher{color:#fff;background:radial-gradient(circle at 86% 10%,#6bd5d838,#0000 33%),radial-gradient(circle at 8% 96%,#7673eb38,#0000 38%),linear-gradient(145deg,#272d39d1,#141923ad);box-shadow:inset 0 2px 1px #ffffff4f,inset 0 -6px 10px #0000004f,inset 2px 0 4px #ffffff1f}.landing-bento-card--teacher p,.landing-bento-card--teacher div>span{color:#ffffffa6}.landing-learning-loop,.landing-ai-trace,.landing-teacher-signal,.landing-feedback-bridge{margin-top:var(--space-10);transform-origin:bottom}.landing-learning-track{grid-template-columns:repeat(4,1fr);align-items:center;display:grid}.landing-learning-track span{align-items:center;display:flex}.landing-learning-track i{color:#fff;background:#5e5ce6;border-radius:50%;place-items:center;width:3.8rem;height:3.8rem;font-style:normal;display:grid;box-shadow:0 12px 22px #37358b2e}.landing-learning-track b{background:#cfceff;flex:1;height:2px}.landing-learning-readout{margin-top:var(--space-8);padding:var(--space-6);border-radius:var(--radius-control);box-shadow:var(--glass-control-depth);-webkit-backdrop-filter:blur(12px)saturate(126%);background:linear-gradient(145deg,#ffffff85,#d9e2ee40);border:1px solid #ffffffb8}.landing-learning-readout span,.landing-learning-readout 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i{background:#7775e7;border-radius:.4rem .4rem 0 0;display:block}.landing-teacher-bars small{margin-top:var(--space-2);color:#ffffff9e}.landing-teacher-signal>div:last-child span{color:#fff9;display:block}.landing-teacher-signal>div:last-child strong{margin-top:var(--space-2);display:block}.landing-feedback-bridge{align-items:center;gap:var(--space-4);grid-template-columns:auto 1fr auto 1fr auto 1fr auto;display:grid}.landing-feedback-bridge span{min-width:4.2rem;min-height:4.2rem;padding:var(--space-3);border-radius:var(--radius-control);color:#4643b5;box-shadow:var(--glass-control-depth);-webkit-backdrop-filter:blur(12px)saturate(128%);background:radial-gradient(circle at 20% 0,#ffffffc7,#0000 42%),linear-gradient(145deg,#f8f8ff7a,#c7c9fa40);border:1px solid #5e5ce626;place-items:center;font-weight:650;display:grid}.landing-feedback-bridge i{background:#cfceff;height:2px}.landing-workspaces{width:min(var(--landing-max), calc(100% - 3rem));margin-inline:auto;padding:clamp(9rem,14vw,14rem) 0}.landing-stack-layout{grid-template-columns:minmax(18rem,.42fr) minmax(0,1fr);align-items:start;gap:clamp(4rem,9vw,9rem);display:grid}.landing-stack-heading{max-width:31rem;padding-top:var(--space-5)}.landing-stack-heading h2{margin:var(--space-4) 0 var(--space-6);font-size:clamp(2.8rem,4.8vw,5.25rem);font-weight:620;line-height:.97}.landing-stack-heading>span{max-width:28rem;color:var(--color-text-secondary);line-height:1.8;display:block}.landing-card-stack{gap:clamp(6rem,13vh,10rem);padding-bottom:clamp(4rem,9vw,8rem);display:grid}.landing-stack-card{top:calc(7rem + var(--stack-index) * .72rem);color:#25252a;background:radial-gradient(circle at 96% 6%, color-mix(in srgb, var(--mode-accent) 31%, transparent), transparent 34%), radial-gradient(circle at 8% 92%, color-mix(in srgb, var(--mode-accent) 16%, transparent), transparent 42%), linear-gradient(145deg, #ffffff94, #e1e8f159);transform-origin:50% 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#24242a);font-family:var(--font-family-mono);font-size:var(--font-size-sm);letter-spacing:.12em;font-weight:700}.landing-stack-card>div i{background:linear-gradient(90deg, transparent, var(--mode-accent));width:min(14rem,34%);height:2px}.landing-stack-card h3{z-index:1;max-width:42rem;margin:auto 0 var(--space-5);padding-top:clamp(4rem,10vw,8rem);font-size:clamp(2.35rem,5.2vw,5.6rem);font-weight:620;line-height:.94;position:relative}.landing-stack-card p{z-index:1;max-width:35rem;color:var(--color-text-secondary);margin:0;font-size:clamp(1rem,1.4vw,1.18rem);line-height:1.75;position:relative}.landing-stack-card>button,.landing-response-controls button{color:#fff;background:var(--mode-accent,#5e5ce6);width:3.6rem;height:3.6rem;box-shadow:inset 0 1px 0 #ffffff94, 0 .9rem 1.5rem color-mix(in srgb, var(--mode-accent,#5e5ce6) 26%, transparent);cursor:pointer;transition:transform .426s var(--ease-decel), box-shadow .426s var(--ease-decel);border:1px solid #ffffffbd;border-radius:50%;place-items:center;display:grid}.landing-stack-card>button{z-index:2;position:absolute;bottom:clamp(2.5rem,5vw,5rem);right:clamp(2.5rem,5vw,5rem)}.landing-stack-card>button:hover,.landing-response-controls button:hover{transform:translateY(-3px)scale(1.04)}.landing-responses{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);align-items:center;gap:clamp(4rem,9vw,9rem);min-height:46rem;display:grid}.landing-response-portraits{background:radial-gradient(circle at 16% 88%,#f8d1bba3,#0000 35%),radial-gradient(circle at 88% 12%,#4f5b6ea8,#0000 40%),linear-gradient(145deg,#eee4dc,#dfe3e9 52%,#8792a0);border-radius:3rem;min-height:clamp(31rem,44vw,43rem);position:relative;box-shadow:0 3rem 6rem #2327302e}.landing-response-portraits:before{content:"";-webkit-backdrop-filter:blur(8px)saturate(128%);background:linear-gradient(142deg,#ffffff4f,#ffffff12 48%,#c1cddd24);border:1.5px solid #ffffffba;border-radius:2.4rem;position:absolute;inset:1.5rem;box-shadow:inset 0 3px 2px #fffffff2,inset 0 -8px 12px #2d323e38,0 2rem 4rem #181c2438}.landing-response-portraits span{z-index:2;color:#fff;width:clamp(10rem,18vw,16rem);height:clamp(10rem,18vw,16rem);font-family:var(--font-family-mono);font-size:var(--font-size-xs);letter-spacing:.14em;border:1px solid #ffffffb3;border-radius:50%;place-items:center;font-weight:700;display:grid;position:absolute;box-shadow:inset 0 3px 3px #ffffffbd,inset 0 -8px 10px #2a303d38,0 2rem 3rem #1f232c3d}.landing-response-portraits span:first-child{background:linear-gradient(145deg,#9473f4e0,#5744c8e6);top:8%;left:7%}.landing-response-portraits span:nth-child(2){background:linear-gradient(145deg,#63ded2db,#349597e6);width:clamp(8rem,15vw,12.5rem);height:clamp(8rem,15vw,12.5rem);top:29%;right:6%}.landing-response-portraits span:nth-child(3){color:#34343a;background:linear-gradient(145deg,#ffffffc2,#a8b2c294);bottom:7%;left:19%}.landing-response-copy h2{max-width:40rem;margin:var(--space-4) 0 var(--space-7);font-size:clamp(2.8rem,5vw,5.4rem);font-weight:620;line-height:.97}.landing-response-copy blockquote{max-width:38rem;color:var(--color-text-secondary);margin:0;font-size:clamp(1.1rem,1.8vw,1.5rem);line-height:1.7}.landing-response-copy code{margin-top:var(--space-6);padding:var(--space-3) var(--space-4);border-radius:var(--radius-full);color:#4e4bb8;-webkit-backdrop-filter:blur(13px)saturate(128%);background:radial-gradient(circle at 14% 0,#ffffffc2,#0000 42%),radial-gradient(circle at 92% 100%,#6bd5d82e,#0000 46%),linear-gradient(135deg,#ffffff85,#807deb21);border:1.5px solid #ffffffc7;display:inline-block;box-shadow:inset 0 2px 1px #ffffffdb,inset 0 -4px 7px #5554a421,0 12px 28px #383f5921}.landing-response-controls{margin-top:var(--space-8);align-items:center;gap:var(--space-4);display:flex}.landing-response-controls button:first-child{transform:rotate(180deg)}.landing-response-controls button:first-child:hover{transform:rotate(180deg)translateY(3px)scale(1.04)}.landing-response-controls span{text-align:center;min-width:4.5rem;font-family:var(--font-family-mono);color:var(--color-text-muted)}.landing-footer{padding:clamp(1rem,2vw,2rem)}.landing-cta{isolation:isolate;border-radius:var(--radius-shell);color:#fff;text-align:center;-webkit-backdrop-filter:blur(22px)saturate(136%)contrast(104%);background:linear-gradient(-1.32deg,#0000 47%,#ffffff12 48%,#0000 50%) 0 0/5.5rem 5.5rem,radial-gradient(circle at 10% 0,#7875ed8a,#0000 43%),radial-gradient(circle at 92% 92%,#5fd2d645,#0000 42%),linear-gradient(142deg,#1d2231e0,#242737b8);border:1.5px solid #ffffff57;padding:clamp(5rem,10vw,9rem);position:relative;overflow:hidden;box-shadow:inset 0 2px 1px #ffffff57,inset 0 -10px 24px #0000004f,inset 3px 0 8px #76d2da1c,0 30px 72px #22273a40}.landing-cta:before{z-index:-1;border-radius:inherit;pointer-events:none;content:"";background:linear-gradient(112deg,#0000 8%,#ffffff30 18%,#0000 31%),linear-gradient(#ffffff2e,#0000 14% 78%,#61d2d61a);position:absolute;inset:0}.landing-cta>p{color:#e4e3ff}.landing-cta h2{max-width:76rem;margin-inline:auto}.landing-cta .ui-button--secondary{color:#171921;-webkit-backdrop-filter:blur(15px)saturate(132%);background:radial-gradient(circle at 20% 0,#ffffffd1,#0000 45%),linear-gradient(145deg,#ffffffb3,#e9eff678);border-color:#ffffffa3;box-shadow:inset 0 2px 1px #ffffffe0,inset 0 -5px 8px #48526d2b,0 14px 28px #00000030}.landing-footer-line{padding:var(--space-8) var(--space-4) var(--space-5);gap:var(--space-4);color:var(--color-text-muted);font-size:var(--font-size-sm);grid-template-columns:1fr auto 1fr;display:grid}.landing-footer-line strong{color:var(--color-text)}.landing-footer-line small{font-family:var(--font-family-mono);justify-self:end}@keyframes landing-marquee-loop{to{transform:translate(-50%)}}@media (width<=64rem){.landing-hero--kit{grid-template-columns:1fr;gap:clamp(4rem,8vw,6rem);min-height:auto}.landing-hero--kit .landing-hero-copy{max-width:50rem}.landing-kit-wrap{width:min(46rem,100%)}.landing-bento{grid-template-rows:repeat(2,minmax(22rem,auto))}.landing-bento-card--learning{grid-column:span 7}.landing-bento-card--ai,.landing-bento-card--teacher{grid-column:span 5}.landing-bento-card--feedback{grid-column:span 7}.landing-stack-layout{grid-template-columns:1fr}.landing-stack-heading{max-width:48rem}.landing-card-stack{gap:clamp(4rem,10vh,7rem)}.landing-stack-card{top:calc(6.5rem + var(--stack-index) * .5rem)}.landing-responses{gap:clamp(3rem,7vw,6rem)}}@media (width<=48rem){.landing-hero,.landing-section,.landing-workspaces{width:min(100% - 1.5rem,42rem)}.landing-hero--kit{gap:3rem;padding-top:7.5rem}.landing-hero--kit .landing-hero-copy{text-align:center}.landing-hero--kit h1{width:100%;max-width:42rem;font-family:var(--font-family-display);margin-inline:auto;font-size:clamp(2.45rem,11vw,4.2rem);line-height:.98}.landing-hero--kit h1>span{white-space:normal}.landing-hero--kit h1>span:first-child{white-space:nowrap}.landing-hero--kit .landing-hero-description{max-width:35rem;margin-inline:auto}.landing-hero--kit .landing-actions{grid-template-columns:1fr 1fr;justify-content:stretch;display:grid}.landing-actions .ui-button{width:100%;min-width:0;padding-inline:var(--space-5)}.landing-kit-wrap{padding:.4rem}.landing-kit-field{border-radius:2.7rem;inset:-2%}.landing-kit-board{border-radius:2.25rem;min-height:0;padding:1rem;transform:none!important}.ui-glass.landing-kit-board[data-glass-thickness=prominent]{border-radius:2.25rem}.landing-kit-header strong{font-size:clamp(1.12rem,5vw,1.45rem)}.landing-kit-header>div:last-child{display:none}.landing-kit-grid{margin-top:var(--space-4);gap:var(--mobile-compact-gap);grid-template-columns:minmax(0,1fr);grid-template-areas:"actions""search""task""quick""create""status""utility""tabs""feedback"}.landing-kit-actions{gap:var(--mobile-compact-gap)}.kit-pill{min-height:3rem;font-size:var(--font-size-sm)}.kit-round-row,.kit-utility-row{gap:.55rem}.landing-kit-quick-actions{justify-content:center;padding-block:.25rem}.kit-round{width:3rem;height:3rem;font-size:1.4rem}.kit-search-pill{min-height:3rem;font-size:var(--font-size-sm);padding-inline:1rem}.kit-search-pill i{width:.9rem;height:.9rem}.kit-search-pill i:after{margin:.62rem 0 0 .62rem}.kit-status-card{border-radius:1.3rem;min-height:6.5rem;padding:1rem}.kit-status-card span{font-size:var(--font-size-xs)}.kit-status-card strong{font-size:var(--font-size-base)}.kit-status-card i{top:1rem;right:1rem}.kit-tabs{min-height:3rem}.kit-tabs button{min-height:3rem;font-size:var(--font-size-sm)}.kit-search-module{border-radius:1.4rem;min-height:9.75rem;padding:1rem}.kit-app-icon{width:2.75rem;height:2.75rem}.kit-search-module-top>button{width:3rem;height:3rem}.kit-search-module>div:last-child{margin-top:1rem;padding-left:.75rem}.kit-search-module>div:last-child>span{min-width:0;font-size:var(--font-size-sm);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.kit-search-module>div:last-child button{width:3rem;height:3rem}.kit-task-row{min-height:3rem;padding-left:.75rem}.kit-task-row span{min-width:0;font-size:var(--font-size-sm);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.kit-task-row b{width:2.75rem;height:2.75rem}.kit-utility-row{justify-content:center}.kit-tool-pill{min-height:3rem;font-size:var(--font-size-sm);white-space:nowrap;padding-inline:1rem}.kit-switch{width:4.5rem;height:3rem;padding:.3rem}.kit-switch span{width:2.25rem;height:2.25rem}.kit-switch[data-active=true] span{transform:translate(1.62rem)}.kit-feedback-card{border-radius:1.4rem;min-height:11rem;padding:1.2rem}.kit-feedback-card h3{margin-block:.5rem;font-size:1.05rem}.kit-feedback-card p{font-size:var(--font-size-sm)}.kit-feedback-card button{min-height:3rem;font-size:var(--font-size-sm);margin-top:1rem;padding-inline:1rem}.kit-pill:hover,.landing-stack-card>button:hover,.landing-response-controls button:hover{transform:none}.kit-pill:active,.kit-task-row:active,.kit-feedback-card button:active{transform:scale(.985)}.landing-marquee-track{animation:none}.landing-marquee-track span{min-height:4.25rem}.landing-section{padding-block:clamp(5.25rem,16vw,7rem)}.landing-section-heading{margin-bottom:clamp(2.5rem,9vw,4rem)}.landing-section-heading,.landing-section-heading--center{text-align:left;grid-template-columns:1fr}.landing-section-heading 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both;background:#0f122057;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.feature-hall-panel{width:min(100%,52rem);height:min(72dvh,46rem);color:var(--color-text);transform-origin:bottom;animation:feature-hall-panel-in var(--duration-slow) var(--ease-decel) both;background:radial-gradient(circle at 12% 0,#ffffffeb,#0000 18rem),linear-gradient(155deg,#f8f9fff0,#e8ecf9e8);border:1px solid #ffffffc7;border-bottom:0;border-radius:1.75rem 1.75rem 0 0;grid-template-rows:auto auto minmax(0,1fr);display:grid;overflow:hidden;box-shadow:inset 0 1px #fffffff5,0 -20px 60px #1c1f423d}.feature-hall-layer[data-expanded=true] .feature-hall-panel{height:calc(100dvh - max(.75rem, env(safe-area-inset-top)))}.feature-hall-handle{border-radius:var(--radius-full);background:#4c4e6e47;width:2.75rem;height:.25rem;margin:.625rem auto .25rem}.feature-hall-header{justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-3) clamp(var(--space-4), 5vw, var(--space-7)) var(--space-4);border-bottom:1px solid #5b5e871a;display:flex}.feature-hall-header h2,.feature-hall-header p{margin:0}.feature-hall-header h2{font-family:var(--font-family-display);letter-spacing:-.025em;font-size:clamp(1.25rem,4vw,1.6rem)}.feature-hall-header p{color:#5b5e68;font-size:var(--font-size-xs);margin-top:.25rem}.feature-hall-actions{gap:var(--space-2);display:flex}.feature-hall-icon-button{border-radius:var(--radius-full);color:#4542a6;cursor:pointer;width:2.75rem;height:2.75rem;transition:color var(--duration-fast) var(--ease-standard), background var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);background:#ffffffa8;border:0;flex:none;place-items:center;display:grid;box-shadow:inset 0 1px #ffffffeb,0 7px 18px #3434661a}.feature-hall-icon-button:hover{color:#302d8e;background:#ffffffe6;transform:translateY(-1px)}.feature-hall-scroll{overscroll-behavior:contain;min-height:0;padding:var(--space-5) clamp(var(--space-4), 5vw, var(--space-7)) calc(var(--space-8) + env(safe-area-inset-bottom));scrollbar-gutter:stable;overflow-y:auto}.feature-hall-group+.feature-hall-group{margin-top:var(--space-7)}.feature-hall-group h3{margin:0 0 var(--space-3);color:#555863;font-size:var(--font-size-xs);font-weight:var(--font-weight-semibold);letter-spacing:.04em}.feature-hall-grid{gap:var(--space-3);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.feature-app{gap:var(--space-3);min-width:0;min-height:8.5rem;padding:var(--space-4);color:var(--color-text);transition:background var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard), transform var(--duration-fast) var(--ease-standard);background:#ffffff75;border-radius:1.25rem;grid-template-rows:auto 1fr auto;text-decoration:none;display:grid;position:relative;box-shadow:inset 0 1px #ffffffe0}.feature-app:hover,.feature-app:focus-visible{background:#ffffffc7;transform:translateY(-2px);box-shadow:inset 0 1px #fff,0 12px 24px #3b3a7e1c}.feature-app[aria-current=page]{background:#e5e6ffb8;box-shadow:inset 0 0 0 1px #5956c224}.feature-app-icon{color:#4643b5;background:radial-gradient(circle at 25% 0,#fff,#0000 52%),#dde0fbc2;border-radius:.95rem;place-items:center;width:2.75rem;height:2.75rem;display:grid;box-shadow:inset 0 1px #ffffffe6}.feature-app-copy{align-content:start;gap:.25rem;min-width:0;display:grid}.feature-app-copy strong,.feature-app-copy small{min-width:0}.feature-app-copy strong{font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold)}.feature-app-copy small{color:#5b5e68;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.6875rem;line-height:1.45;display:-webkit-box;overflow:hidden}@media (width>=36rem){.feature-hall-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=48rem){.feature-hall-layer{padding:var(--space-6);align-items:center}.feature-hall-panel{transform-origin:50%;border-bottom:1px solid #ffffffc7;border-radius:2rem;width:min(62rem,100vw - 3rem);height:min(76dvh,48rem)}.feature-hall-layer[data-expanded=true] .feature-hall-panel{height:min(92dvh,56rem)}.feature-hall-handle{display:none}.feature-hall-header{padding-top:var(--space-6)}.feature-hall-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=72rem){.feature-hall-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (width<=47.999rem){.app-shell-context-copy{display:none}.app-shell-home-chip{border-radius:var(--radius-full);color:#363398;background:#ffffff94;align-items:center;gap:.55rem;min-height:2.75rem;padding:.35rem .75rem .35rem .4rem;text-decoration:none;display:inline-flex;box-shadow:inset 0 1px #fffffff0,0 7px 18px #38377b1a}.app-shell-home-chip>.app-shell-home-logo{width:2rem;height:2rem;box-shadow:none;background:0 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(forced-colors:active){.feature-hall-panel,.feature-app,.feature-hall-icon-button,.app-shell-home-chip,.app-shell-home-chip>span{color:canvastext;box-shadow:none;background:canvas;border:1px solid canvastext}}@keyframes feature-hall-mask-in{0%{opacity:0}}@keyframes feature-hall-panel-in{0%{opacity:0;transform:translateY(2rem)scale(.98)}}