/*! tailwindcss v4.2.2 | MIT License | https://tailwindcss.com */
@layer theme, base, components, utilities;
@layer theme {
  :root, :host {
    --font-sans: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji",
      "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
      "Courier New", monospace;
    --color-red-400: oklch(70.4% 0.191 22.216);
    --color-red-500: oklch(63.7% 0.237 25.331);
    --color-red-600: oklch(57.7% 0.245 27.325);
    --color-red-700: oklch(50.5% 0.213 27.518);
    --color-amber-500: oklch(76.9% 0.188 70.08);
    --color-yellow-100: oklch(97.3% 0.071 103.193);
    --color-yellow-400: oklch(85.2% 0.199 91.936);
    --color-yellow-500: oklch(79.5% 0.184 86.047);
    --color-yellow-700: oklch(55.4% 0.135 66.442);
    --color-green-50: oklch(98.2% 0.018 155.826);
    --color-green-100: oklch(96.2% 0.044 156.743);
    --color-green-200: oklch(92.5% 0.084 155.995);
    --color-green-400: oklch(79.2% 0.209 151.711);
    --color-green-500: oklch(72.3% 0.219 149.579);
    --color-green-600: oklch(62.7% 0.194 149.214);
    --color-green-700: oklch(52.7% 0.154 150.069);
    --color-green-800: oklch(44.8% 0.119 151.328);
    --color-green-950: oklch(26.6% 0.065 152.934);
    --color-emerald-400: oklch(76.5% 0.177 163.223);
    --color-emerald-500: oklch(69.6% 0.17 162.48);
    --color-emerald-700: oklch(50.8% 0.118 165.612);
    --color-blue-500: oklch(62.3% 0.214 259.815);
    --color-gray-300: oklch(87.2% 0.01 258.338);
    --color-gray-500: oklch(55.1% 0.027 264.364);
    --color-black: #000;
    --color-white: #fff;
    --spacing: 0.25rem;
    --container-sm: 24rem;
    --container-lg: 32rem;
    --container-xl: 36rem;
    --container-2xl: 42rem;
    --container-3xl: 48rem;
    --container-4xl: 56rem;
    --container-5xl: 64rem;
    --container-6xl: 72rem;
    --container-7xl: 80rem;
    --text-xs: 0.75rem;
    --text-xs--line-height: calc(1 / 0.75);
    --text-sm: 0.875rem;
    --text-sm--line-height: calc(1.25 / 0.875);
    --text-base: 1rem;
    --text-base--line-height: calc(1.5 / 1);
    --text-lg: 1.125rem;
    --text-lg--line-height: calc(1.75 / 1.125);
    --text-xl: 1.25rem;
    --text-xl--line-height: calc(1.75 / 1.25);
    --text-2xl: 1.5rem;
    --text-2xl--line-height: calc(2 / 1.5);
    --text-3xl: 1.875rem;
    --text-3xl--line-height: calc(2.25 / 1.875);
    --text-4xl: 2.25rem;
    --text-4xl--line-height: calc(2.5 / 2.25);
    --text-5xl: 3rem;
    --text-5xl--line-height: 1;
    --text-6xl: 3.75rem;
    --text-6xl--line-height: 1;
    --text-7xl: 4.5rem;
    --text-7xl--line-height: 1;
    --text-8xl: 6rem;
    --text-8xl--line-height: 1;
    --font-weight-light: 300;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --tracking-tight: -0.025em;
    --tracking-wide: 0.025em;
    --tracking-wider: 0.05em;
    --tracking-widest: 0.1em;
    --leading-tight: 1.25;
    --leading-snug: 1.375;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;
    --radius-xs: 0.125rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --ease-out: cubic-bezier(0, 0, 0.2, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --animate-ping: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite;
    --animate-pulse: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    --blur-sm: 8px;
    --blur-3xl: 64px;
    --aspect-video: 16 / 9;
    --default-transition-duration: 150ms;
    --default-transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    --default-font-family: var(--font-sans);
    --default-mono-font-family: var(--font-mono);
    --color-foreground: var(--foreground);
    --color-primary: var(--primary);
    --color-muted: var(--muted);
    --color-muted-foreground: var(--muted-foreground);
    --color-border: var(--border);
  }
}
@layer base {
  *, ::after, ::before, ::backdrop, ::file-selector-button {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    border: 0 solid;
  }
  html, :host {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
    font-family: var(--default-font-family, ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");
    font-feature-settings: var(--default-font-feature-settings, normal);
    font-variation-settings: var(--default-font-variation-settings, normal);
    -webkit-tap-highlight-color: transparent;
  }
  hr {
    height: 0;
    color: inherit;
    border-top-width: 1px;
  }
  abbr:where([title]) {
    -webkit-text-decoration: underline dotted;
    text-decoration: underline dotted;
  }
  h1, h2, h3, h4, h5, h6 {
    font-size: inherit;
    font-weight: inherit;
  }
  a {
    color: inherit;
    -webkit-text-decoration: inherit;
    text-decoration: inherit;
  }
  b, strong {
    font-weight: bolder;
  }
  code, kbd, samp, pre {
    font-family: var(--default-mono-font-family, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);
    font-feature-settings: var(--default-mono-font-feature-settings, normal);
    font-variation-settings: var(--default-mono-font-variation-settings, normal);
    font-size: 1em;
  }
  small {
    font-size: 80%;
  }
  sub, sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
  }
  sub {
    bottom: -0.25em;
  }
  sup {
    top: -0.5em;
  }
  table {
    text-indent: 0;
    border-color: inherit;
    border-collapse: collapse;
  }
  :-moz-focusring {
    outline: auto;
  }
  progress {
    vertical-align: baseline;
  }
  summary {
    display: list-item;
  }
  ol, ul, menu {
    list-style: none;
  }
  img, svg, video, canvas, audio, iframe, embed, object {
    display: block;
    vertical-align: middle;
  }
  img, video {
    max-width: 100%;
    height: auto;
  }
  button, input, select, optgroup, textarea, ::file-selector-button {
    font: inherit;
    font-feature-settings: inherit;
    font-variation-settings: inherit;
    letter-spacing: inherit;
    color: inherit;
    border-radius: 0;
    background-color: transparent;
    opacity: 1;
  }
  :where(select:is([multiple], [size])) optgroup {
    font-weight: bolder;
  }
  :where(select:is([multiple], [size])) optgroup option {
    padding-inline-start: 20px;
  }
  ::file-selector-button {
    margin-inline-end: 4px;
  }
  ::placeholder {
    opacity: 1;
  }
  @supports (not (-webkit-appearance: -apple-pay-button))  or (contain-intrinsic-size: 1px) {
    ::placeholder {
      color: currentcolor;
      @supports (color: color-mix(in lab, red, red)) {
        color: color-mix(in oklab, currentcolor 50%, transparent);
      }
    }
  }
  textarea {
    resize: vertical;
  }
  ::-webkit-search-decoration {
    -webkit-appearance: none;
  }
  ::-webkit-date-and-time-value {
    min-height: 1lh;
    text-align: inherit;
  }
  ::-webkit-datetime-edit {
    display: inline-flex;
  }
  ::-webkit-datetime-edit-fields-wrapper {
    padding: 0;
  }
  ::-webkit-datetime-edit, ::-webkit-datetime-edit-year-field, ::-webkit-datetime-edit-month-field, ::-webkit-datetime-edit-day-field, ::-webkit-datetime-edit-hour-field, ::-webkit-datetime-edit-minute-field, ::-webkit-datetime-edit-second-field, ::-webkit-datetime-edit-millisecond-field, ::-webkit-datetime-edit-meridiem-field {
    padding-block: 0;
  }
  ::-webkit-calendar-picker-indicator {
    line-height: 1;
  }
  :-moz-ui-invalid {
    box-shadow: none;
  }
  button, input:where([type="button"], [type="reset"], [type="submit"]), ::file-selector-button {
    appearance: button;
  }
  ::-webkit-inner-spin-button, ::-webkit-outer-spin-button {
    height: auto;
  }
  [hidden]:where(:not([hidden="until-found"])) {
    display: none !important;
  }
}
@layer utilities;
:root {
  --radius: 0.65rem;
  --background: oklch(0.965 0.007 80);
  --foreground: oklch(0.145 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.145 0 0);
  --popover: oklch(1 0 0);
  --popover-foreground: oklch(0.145 0 0);
  --primary: oklch(0.42 0.097 153);
  --primary-foreground: oklch(0.985 0 0);
  --secondary: oklch(0.925 0.005 80);
  --secondary-foreground: oklch(0.205 0 0);
  --muted: oklch(0.925 0.005 80);
  --muted-foreground: oklch(0.556 0 0);
  --accent: oklch(0.925 0.005 80);
  --accent-foreground: oklch(0.205 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.908 0.004 80);
  --input: oklch(0.908 0.004 80);
  --ring: oklch(0.42 0.097 153);
}
.dark {
  --background: oklch(0.145 0 0);
  --foreground: oklch(0.985 0 0);
  --card: oklch(0.205 0 0);
  --card-foreground: oklch(0.985 0 0);
  --popover: oklch(0.205 0 0);
  --popover-foreground: oklch(0.985 0 0);
  --primary: oklch(0.70 0.13 153);
  --primary-foreground: oklch(0.145 0 0);
  --secondary: oklch(0.269 0 0);
  --secondary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.269 0 0);
  --muted-foreground: oklch(0.708 0 0);
  --accent: oklch(0.269 0 0);
  --accent-foreground: oklch(0.985 0 0);
  --destructive: oklch(0.704 0.191 22.216);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.70 0.13 153);
}
@layer base {
  * {
    border-color: var(--border);
    scrollbar-width: thin;
    scrollbar-color: var(--color-muted-foreground) transparent;
  }
  *::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }
  *::-webkit-scrollbar-thumb {
    background: var(--color-muted-foreground);
    border-radius: 4px;
  }
  *::-webkit-scrollbar-thumb:hover {
    background: var(--color-foreground);
  }
  body {
    background-color: var(--background);
    color: var(--foreground);
  }
}
.lesson-content {
  color: var(--color-foreground);
  font-size: 1rem;
  line-height: 1.75;
}
.lesson-content h1 {
  font-size: 2.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.85rem;
}
.lesson-content h2 {
  font-size: 1.5rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin-top: 2.5rem;
  margin-bottom: 0.9rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}
.lesson-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  letter-spacing: -0.005em;
}
.lesson-content p {
  margin-bottom: 1.15rem;
  line-height: 1.78;
}
.lesson-content ul, .lesson-content ol {
  list-style: disc;
  padding-left: 1.6rem;
  margin-bottom: 1.25rem;
}
.lesson-content ol {
  list-style: decimal;
}
.lesson-content li {
  margin-bottom: 0.4rem;
  line-height: 1.7;
}
.lesson-content strong {
  font-weight: 600;
}
.lesson-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}
.lesson-content a:hover {
  text-decoration-thickness: 2px;
}
.lesson-content :not(pre) > code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--color-muted);
  color: var(--color-foreground);
  padding: 0.12em 0.42em;
  border-radius: 0.32rem;
  border: 1px solid var(--color-border);
  font-feature-settings: "liga" 0, "calt" 0;
}
.lesson-content pre {
  background: #0a0a0a;
  color: #e6edf3;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 1rem;
  padding: 1.5rem 1.75rem;
  overflow-x: auto;
  margin: 1.75rem 0;
  font-size: 0.925rem;
  line-height: 1.7;
  white-space: pre;
  box-shadow: 0 18px 38px -20px rgba(0, 0, 0, 0.55), 0 4px 10px -6px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-feature-settings: "liga" 0, "calt" 0;
}
.lesson-content pre code {
  background: transparent;
  color: inherit;
  padding: 0;
  border: 0;
  font-size: inherit;
  white-space: pre;
}
.dark .lesson-content pre {
  border-color: rgba(255, 255, 255, 0.10);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.8), 0 4px 10px -6px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.lesson-content blockquote, .lesson-content .tip, .lesson-content .info, .lesson-content .warn {
  margin: 1.6rem 0;
  padding: 0.95rem 1.15rem 0.95rem 2.6rem;
  border-radius: 0.65rem;
  position: relative;
  border: 1px solid transparent;
}
.lesson-content blockquote p:last-child, .lesson-content .tip p:last-child, .lesson-content .info p:last-child, .lesson-content .warn p:last-child {
  margin-bottom: 0;
}
.lesson-content blockquote, .lesson-content .tip {
  background: var(--color-primary);
  @supports (color: color-mix(in lab, red, red)) {
    background: color-mix(in oklab, var(--color-primary) 8%, transparent);
  }
  border-color: var(--color-primary);
  @supports (color: color-mix(in lab, red, red)) {
    border-color: color-mix(in oklab, var(--color-primary) 22%, transparent);
  }
}
.lesson-content blockquote::before, .lesson-content .tip::before {
  content: "💡";
  position: absolute;
  left: 0.9rem;
  top: 0.9rem;
  font-size: 1rem;
  line-height: 1;
}
.lesson-content .info {
  background: color-mix(in oklab, #3b82f6 10%, transparent);
  border-color: color-mix(in oklab, #3b82f6 25%, transparent);
}
.lesson-content .info::before {
  content: "ℹ";
  position: absolute;
  left: 0.95rem;
  top: 0.85rem;
  font-size: 1.05rem;
  line-height: 1;
  color: #3b82f6;
  font-weight: 700;
}
.lesson-content .warn {
  background: color-mix(in oklab, #f59e0b 10%, transparent);
  border-color: color-mix(in oklab, #f59e0b 28%, transparent);
}
.lesson-content .warn::before {
  content: "⚠";
  position: absolute;
  left: 0.95rem;
  top: 0.85rem;
  font-size: 1rem;
  line-height: 1;
}
.lesson-content .result {
  margin: 1.6rem 0;
  padding: 0.95rem 1.15rem 0.95rem 2.6rem;
  border-radius: 0.65rem;
  position: relative;
  background: color-mix(in oklab, #10b981 10%, transparent);
  border: 1px solid color-mix(in oklab, #10b981 30%, transparent);
}
.lesson-content .result p:last-child {
  margin-bottom: 0;
}
.lesson-content .result::before {
  content: "✓";
  position: absolute;
  left: 0.95rem;
  top: 0.8rem;
  font-size: 1.05rem;
  line-height: 1;
  color: #10b981;
  font-weight: 700;
}
.lesson-content .try {
  margin: 1.75rem 0;
  padding: 1rem 1.2rem 1rem 2.75rem;
  border-radius: 0.85rem;
  position: relative;
  background: var(--color-primary);
  @supports (color: color-mix(in lab, red, red)) {
    background: color-mix(in oklab, var(--color-primary) 9%, transparent);
  }
  border: 1px solid var(--color-primary);
  @supports (color: color-mix(in lab, red, red)) {
    border: 1px solid color-mix(in oklab, var(--color-primary) 28%, transparent);
  }
  box-shadow: 0 4px 14px -10px var(--color-primary);
  @supports (color: color-mix(in lab, red, red)) {
    box-shadow: 0 4px 14px -10px color-mix(in oklab, var(--color-primary) 50%, transparent);
  }
}
.lesson-content .try p:last-child {
  margin-bottom: 0;
}
.lesson-content .try::before {
  content: "🚀";
  position: absolute;
  left: 0.85rem;
  top: 0.85rem;
  font-size: 1.05rem;
  line-height: 1;
}
.lesson-content .try a {
  color: var(--color-primary);
  font-weight: 600;
}
.lesson-content .result > strong:first-child, .lesson-content .tip > strong:first-child, .lesson-content .try > strong:first-child, .lesson-content .warn > strong:first-child, .lesson-content .info > strong:first-child {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
  opacity: 0.88;
  color: var(--color-foreground);
}
.lesson-content .try > strong:first-child {
  color: var(--color-primary);
}
@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}
@keyframes pulse {
  50% {
    opacity: 0.5;
  }
}