:root {
  color-scheme: dark;

  --m3-primary: #8cb4ff;
  --m3-on-primary: #0f223d;
  --m3-primary-container: #2a3f60;
  --m3-on-primary-container: #d9e6ff;

  --m3-secondary: #b2bac8;
  --m3-on-secondary: #1f2530;
  --m3-secondary-container: #343c4a;
  --m3-on-secondary-container: #d5dde9;

  --m3-tertiary: #91c7da;
  --m3-on-tertiary: #0f2730;
  --m3-tertiary-container: #2a4250;
  --m3-on-tertiary-container: #cbe6f2;

  --m3-error: #ffb4ab;
  --m3-on-error: #690005;
  --m3-error-container: #93000a;
  --m3-on-error-container: #ffdad6;

  --m3-background: #15171b;
  --m3-on-background: #e4e6eb;
  --m3-surface: #1a1d23;
  --m3-surface-dim: #15181d;
  --m3-surface-bright: #353a44;
  --m3-surface-container-lowest: #111318;
  --m3-surface-container-low: #1d2027;
  --m3-surface-container: #22262e;
  --m3-surface-container-high: #2a2f39;
  --m3-surface-container-highest: #323844;
  --m3-on-surface: #e7e9ee;
  --m3-on-surface-variant: #b2b9c4;
  --m3-outline: #798191;
  --m3-outline-variant: #3b414d;
  --m3-scrim: #000000;

  --m3-shadow-1: 0 1px 2px rgba(0, 0, 0, 0.42), 0 2px 6px rgba(0, 0, 0, 0.22);
  --m3-shadow-2: 0 3px 10px rgba(0, 0, 0, 0.36), 0 8px 24px rgba(0, 0, 0, 0.22);

  --m3-radius-xs: 10px;
  --m3-radius-sm: 14px;
  --m3-radius-md: 20px;
  --m3-radius-lg: 28px;
  --m3-radius-xl: 36px;

  --m3-space-1: 0.25rem;
  --m3-space-2: 0.5rem;
  --m3-space-3: 0.75rem;
  --m3-space-4: 1rem;
  --m3-space-5: 1.25rem;
  --m3-space-6: 1.5rem;
  --m3-space-8: 2rem;

  --m3-motion-standard: 220ms cubic-bezier(0.2, 0, 0, 1);
  --m3-focus-ring: rgba(140, 180, 255, 0.9);
  --m3-state-info: rgba(129, 165, 232, 0.42);
  --m3-state-success: rgba(138, 154, 176, 0.42);
  --m3-state-error: rgba(255, 157, 157, 0.5);
  --scroll-progress-gradient: linear-gradient(90deg, #6f7c92 0%, #8a97ad 50%, #6f7c92 100%);
  --scroll-progress-track: rgba(118, 132, 152, 0.24);
  --scroll-progress-glow: rgba(138, 154, 176, 0.35);

  --font-brand: "Google Sans Flex", "Google Sans", "Roboto", sans-serif;
  --font-ui: "Google Sans", "Google Sans Flex", "Roboto", sans-serif;
  --font-body: "Roboto", "Google Sans", sans-serif;
  --font-mono: "Roboto Mono", monospace;
}

* {
  box-sizing: border-box;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

*::-webkit-scrollbar {
  width: 0;
  height: 0;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--m3-on-background);
  background: #0f1115;
  letter-spacing: 0.01em;
}

.page-scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  pointer-events: none;
  padding-inline: clamp(10px, 2vw, 18px);
  opacity: 1;
  transition: opacity var(--m3-motion-standard);
}

.page-scroll-progress.is-hidden {
  opacity: 0;
}

.page-scroll-progress__track {
  height: 4px;
  margin-top: clamp(6px, 1vw, 10px);
  border-radius: 999px;
  background: var(--scroll-progress-track);
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(126, 140, 159, 0.28);
  backdrop-filter: blur(3px);
}

.page-scroll-progress__fill {
  width: 100%;
  height: 100%;
  transform-origin: left center;
  transform: scaleX(var(--page-scroll-progress, 0));
  background: var(--scroll-progress-gradient);
  box-shadow: 0 0 14px var(--scroll-progress-glow);
  transition: transform 70ms linear;
}

.scroll-progress-host {
  --element-scroll-progress: 0;
  --element-scroll-indicator-inset: clamp(8px, 1.2vw, 12px);
  --element-scroll-indicator-width: calc(100% - (var(--element-scroll-indicator-inset) * 2));
  --element-scroll-progress-min-width: 0px;
  --element-scroll-track-background: var(--scroll-progress-track);
  --element-scroll-fill-background: var(--scroll-progress-gradient);
  --element-scroll-fill-shadow: 0 0 12px var(--scroll-progress-glow);

  position: relative;
}

.scroll-progress-host::before,
.scroll-progress-host::after {
  content: "";
  position: absolute;
  left: var(--element-scroll-indicator-inset);
  top: 0;
  width: var(--element-scroll-indicator-width);
  height: 2px;
  border-radius: 999px;
  pointer-events: none;
  z-index: 3;
}

.scroll-progress-host::before {
  background: var(--element-scroll-track-background);
}

.scroll-progress-host::after {
  width: min(
    var(--element-scroll-indicator-width),
    max(
      var(--element-scroll-progress-min-width),
      calc(var(--element-scroll-indicator-width) * var(--element-scroll-progress))
    )
  );
  background: var(--element-scroll-fill-background);
  box-shadow: var(--element-scroll-fill-shadow);
  transition: width 80ms linear;
}

.scroll-progress-host[data-scroll-axis="x"]::before,
.scroll-progress-host[data-scroll-axis="x"]::after {
  top: auto;
  bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

:where(a, button, input, textarea):focus-visible {
  outline: 2px solid var(--m3-focus-ring);
  outline-offset: 2px;
}

.material-symbols-rounded {
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 24;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.m3-page {
  width: min(1200px, 94vw);
  margin: 0 auto;
  padding: clamp(18px, 3vw, 30px) 0 clamp(38px, 6vw, 72px);
}

.m3-surface {
  border-radius: var(--m3-radius-lg);
  border: 1px solid var(--m3-outline-variant);
  background: linear-gradient(180deg, rgba(50, 56, 67, 0.46), rgba(32, 36, 45, 0.95));
  box-shadow: var(--m3-shadow-1);
}

.m3-surface--high {
  background: linear-gradient(180deg, rgba(59, 66, 78, 0.6), rgba(36, 41, 50, 0.95));
  box-shadow: var(--m3-shadow-2);
}

.m3-section-title {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(1.6rem, 4.3vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.m3-kicker {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--m3-on-surface-variant);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.m3-body-large {
  margin: 0;
  color: var(--m3-on-surface-variant);
  font-size: clamp(0.96rem, 2.2vw, 1.08rem);
  line-height: 1.55;
}

.m3-body-medium {
  margin: 0;
  color: var(--m3-on-surface-variant);
  font-size: 0.95rem;
  line-height: 1.5;
}

.m3-caption {
  font-size: 0.78rem;
  color: var(--m3-on-surface-variant);
  font-family: var(--font-mono);
}

.m3-chip-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.m3-chip,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 32px;
  padding: 0.35rem 0.78rem;
  border-radius: 999px;
  border: 1px solid rgba(130, 141, 159, 0.3);
  background: rgba(34, 39, 48, 0.84);
  color: var(--m3-on-surface-variant);
  font-size: 0.75rem;
  font-family: var(--font-ui);
  line-height: 1;
}

.m3-chip--outline {
  border-color: var(--m3-outline);
  background: transparent;
}

.m3-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid rgba(130, 141, 159, 0.45);
  background: rgba(36, 41, 50, 0.88);
  color: var(--m3-on-surface);
  font-size: 0.72rem;
  font-weight: 500;
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.m3-button,
.button {
  --button-bg: var(--m3-primary);
  --button-ink: var(--m3-on-primary);
  --button-border: transparent;

  appearance: none;
  border: 1px solid var(--button-border);
  background: var(--button-bg);
  color: var(--button-ink);
  min-height: 44px;
  border-radius: 999px;
  padding: 0.58rem 1.05rem;
  font-family: var(--font-ui);
  font-size: 0.89rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.38rem;
  cursor: pointer;
  transition:
    transform var(--m3-motion-standard),
    filter var(--m3-motion-standard),
    background var(--m3-motion-standard),
    border-color var(--m3-motion-standard);
}

.m3-button:hover,
.button:hover {
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.m3-button:active,
.button:active {
  transform: translateY(0);
}

.m3-button:focus-visible,
.button:focus-visible,
.m3-input:focus-visible,
.input:focus-visible,
.m3-textarea:focus-visible,
.textarea:focus-visible {
  outline-color: var(--m3-focus-ring);
}

.m3-button:disabled,
.button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  filter: none;
  transform: none;
}

.m3-button--loading {
  pointer-events: none;
}

.m3-button--loading::after {
  content: "";
  width: 0.78rem;
  height: 0.78rem;
  border-radius: 50%;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: m3-spin 780ms linear infinite;
}

@keyframes m3-spin {
  to {
    transform: rotate(360deg);
  }
}

.m3-button--tonal {
  --button-bg: var(--m3-secondary-container);
  --button-ink: var(--m3-on-secondary-container);
}

.m3-button--outlined,
.button.ghost {
  --button-bg: transparent;
  --button-ink: var(--m3-on-surface);
  --button-border: var(--m3-outline);
}

.m3-button--text {
  --button-bg: transparent;
  --button-ink: var(--m3-primary);
  --button-border: transparent;
}

.m3-button--icon {
  min-width: 44px;
  padding: 0;
}

.m3-field {
  display: grid;
  gap: 0.42rem;
}

.m3-field__label,
.field-label {
  font-family: var(--font-ui);
  font-size: 0.81rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--m3-on-surface-variant);
}

.m3-input,
.m3-textarea,
.input,
.textarea,
.m3-output,
.output {
  width: 100%;
  border-radius: var(--m3-radius-sm);
  border: 1px solid var(--m3-outline-variant);
  background: var(--m3-surface-container-low);
  color: var(--m3-on-surface);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.48;
  padding: 0.76rem 0.9rem;
  transition:
    border-color var(--m3-motion-standard),
    background var(--m3-motion-standard);
}

.m3-input::placeholder,
.m3-textarea::placeholder,
.input::placeholder,
.textarea::placeholder {
  color: #8b93a1;
}

.m3-input:focus,
.m3-textarea:focus,
.input:focus,
.textarea:focus {
  border-color: rgba(140, 180, 255, 0.78);
  background: #232831;
}

.m3-textarea,
.textarea {
  resize: vertical;
  min-height: 120px;
}

.m3-output,
.output {
  min-height: 96px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.m3-output--info,
.output--info {
  border-color: var(--m3-state-info);
}

.m3-output--success,
.output--success {
  border-color: var(--m3-state-success);
}

.m3-output--error,
.output--error {
  border-color: var(--m3-state-error);
}

.m3-helper,
.tool-help {
  margin: 0;
  color: var(--m3-on-surface-variant);
  font-size: 0.86rem;
  line-height: 1.45;
}

.m3-divider {
  border: 0;
  border-top: 1px solid var(--m3-outline-variant);
  margin: 0;
}

.m3-card {
  border-radius: var(--m3-radius-md);
  border: 1px solid rgba(133, 142, 157, 0.32);
  background: linear-gradient(180deg, rgba(39, 44, 54, 0.92), rgba(27, 31, 39, 0.96));
  box-shadow: var(--m3-shadow-1);
}

.m3-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
}

.m3-list-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.78rem 0.2rem;
  border-bottom: 1px solid var(--m3-outline-variant);
}

.m3-list-item:last-child {
  border-bottom: 0;
}

.m3-list-item__leading {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(96, 104, 120, 0.3);
  color: var(--m3-primary);
}

.m3-list-item__title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.92rem;
}

.m3-list-item__description {
  margin: 0.18rem 0 0;
  font-size: 0.82rem;
  color: var(--m3-on-surface-variant);
}

.m3-list-item__trailing {
  color: var(--m3-on-surface-variant);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.m3-banner {
  border-radius: var(--m3-radius-sm);
  border: 1px solid rgba(123, 133, 148, 0.38);
  background: rgba(35, 40, 48, 0.72);
  padding: 0.82rem 0.95rem;
  display: grid;
  gap: 0.32rem;
}

.m3-banner__title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 0.9rem;
}

.m3-banner__description {
  margin: 0;
  font-size: 0.83rem;
  color: var(--m3-on-surface-variant);
}

.m3-tabs {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--m3-outline-variant);
  background: rgba(22, 25, 31, 0.82);
  overflow: hidden;
}

.m3-tab {
  border: 0;
  background: transparent;
  color: var(--m3-on-surface-variant);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  min-height: 38px;
  padding: 0.5rem 0.95rem;
}

.m3-tab[aria-selected="true"] {
  background: rgba(140, 180, 255, 0.24);
  color: var(--m3-on-surface);
}

.m3-actions,
.tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.62rem;
}

.m3-mono,
.mono {
  font-family: var(--font-mono);
}

.m3-animate-enter {
  animation: m3-fade-up 480ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes m3-fade-up {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 760px) {
  .m3-page {
    width: min(94vw, 620px);
  }

  .m3-button,
  .button {
    width: 100%;
  }

  .m3-tabs {
    width: 100%;
  }

  .m3-tab {
    flex: 1 1 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}