/* ==========================================================================
   FortyFour Docs - Desert Waveform
   Sand tones, organic warmth, rainbow audio waves
   ========================================================================== */

/* --------------------------------------------------------------------------
   Font Faces
   -------------------------------------------------------------------------- */
@font-face {
  font-family: "Suisse Intl";
  src: url("/static/fonts/SuisseIntl-Book.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Suisse Intl Mono";
  src: url("/static/fonts/SuisseIntlMono-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Suisse Intl Mono";
  src: url("/static/fonts/SuisseIntlMono-Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   CSS Variables - Light Mode (Default)
   -------------------------------------------------------------------------- */
:root {
  /* Sand palette */
  --ff-bg: #faf8f5;
  --ff-bg-subtle: #f0ede8;
  --ff-text: #2c2620;
  --ff-muted: #8c8279;
  --ff-border: #d9d4cc;
  --ff-border-strong: #2c2620;

  /* Rainbow accents - soft, organic */
  --ff-coral: #e0937e;
  --ff-amber: #d4a574;
  --ff-sage: #8ba88c;
  --ff-sky: #7ea5b8;
  --ff-violet: #a692b8;

  /* Primary accent - warm amber */
  --ff-accent: #c4956a;
  --ff-accent-subtle: rgba(196, 149, 106, 0.12);

  /* Semantic colors */
  --ff-warning: #d4a574;
  --ff-warning-subtle: rgba(212, 165, 116, 0.12);
  --ff-error: #c47e6a;
  --ff-error-subtle: rgba(196, 126, 106, 0.12);
  --ff-success: #8ba88c;
  --ff-success-subtle: rgba(139, 168, 140, 0.12);

  /* Code blocks - subtle, integrated */
  --ff-code-bg: var(--ff-bg-subtle);
  --ff-code-text: var(--ff-text);
  --ff-code-border: var(--ff-accent);

  /* Typography */
  --ff-font-sans: system-ui, -apple-system, sans-serif;
  --ff-font-mono: "SF Mono", Consolas, monospace;

  /* Focus ring */
  --ff-focus-ring: 0 0 0 2px var(--ff-accent);

  /* Golden ratio spacing scale (base: 1rem = 16px, ratio: 1.618) */
  --ff-space-xs: 0.382rem; /* ~6px */
  --ff-space-sm: 0.618rem; /* ~10px */
  --ff-space-md: 1rem; /* 16px */
  --ff-space-lg: 1.618rem; /* ~26px */
  --ff-space-xl: 2.618rem; /* ~42px */
  --ff-space-2xl: 4.236rem; /* ~68px */

  /* Rainbow gradient for special elements */
  --ff-gradient-rainbow: linear-gradient(
    135deg,
    var(--ff-coral) 0%,
    var(--ff-amber) 25%,
    var(--ff-sage) 50%,
    var(--ff-sky) 75%,
    var(--ff-violet) 100%
  );
}

/* --------------------------------------------------------------------------
   Dark Mode - Desert Night
   -------------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ff-bg: #1c1917;
    --ff-bg-subtle: #262220;
    --ff-text: #e7e0d5;
    --ff-muted: #9c938a;
    --ff-border: #3d3632;
    --ff-border-strong: #e7e0d5;

    --ff-accent: #d4a574;
    --ff-accent-subtle: rgba(212, 165, 116, 0.15);

    --ff-warning-subtle: rgba(212, 165, 116, 0.15);
    --ff-error-subtle: rgba(196, 126, 106, 0.15);
    --ff-success-subtle: rgba(139, 168, 140, 0.15);

    --ff-code-bg: var(--ff-bg-subtle);
  }
}

:root[data-theme="dark"] {
  --ff-bg: #1c1917;
  --ff-bg-subtle: #262220;
  --ff-text: #e7e0d5;
  --ff-muted: #9c938a;
  --ff-border: #3d3632;
  --ff-border-strong: #e7e0d5;

  --ff-accent: #d4a574;
  --ff-accent-subtle: rgba(212, 165, 116, 0.15);

  --ff-warning-subtle: rgba(212, 165, 116, 0.15);
  --ff-error-subtle: rgba(196, 126, 106, 0.15);
  --ff-success-subtle: rgba(139, 168, 140, 0.15);

  --ff-code-bg: var(--ff-bg-subtle);
}

/* --------------------------------------------------------------------------
   Base Styles
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body,
html {
  margin: 0;
  padding: 0;
}

.ff-page {
  background: var(--ff-bg);
  min-height: 100vh;
  font-family: var(--ff-font-sans);
  color: var(--ff-text);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.ff-page--subtle {
  background: var(--ff-bg-subtle);
}

/* Global link styling - subtle underline */
a {
  color: var(--ff-text);
  text-decoration: underline;
  text-decoration-color: var(--ff-border);
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  transition:
    text-decoration-color 0.15s ease,
    text-decoration-thickness 0.15s ease;
}

a:hover {
  text-decoration-color: var(--ff-accent);
  text-decoration-thickness: 2px;
}

/* --------------------------------------------------------------------------
   NAVIGATION
   -------------------------------------------------------------------------- */
.ff-gradient-bar {
  height: var(--ff-space-sm);
  background: var(--ff-gradient-rainbow);
}

.ff-nav {
  position: relative;
  background: var(--ff-bg);
  border-bottom: 1px solid var(--ff-border);
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
}

.ff-nav-inner {
  max-width: 680px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--ff-space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ff-nav-brand {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.ff-nav-brand img {
  display: block;
}

.ff-nav-links {
  display: flex;
  gap: var(--ff-space-lg);
}

.ff-nav-link {
  padding: 0;
  color: var(--ff-muted);
  text-decoration: none;
  font-size: 0.6875rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 0.75em;
}

.ff-nav-link:hover {
  color: var(--ff-text);
}

.ff-nav-link:focus-visible {
  outline: none;
  box-shadow: var(--ff-focus-ring);
}

.ff-nav-link.active {
  color: var(--ff-text);
}

.ff-nav-link i {
  display: inline-block;
  width: 1em;
  text-align: center;
}

.ff-nav-right {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
}

/* Theme Toggle */
.ff-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  color: var(--ff-muted);
  cursor: pointer;
}

.ff-theme-toggle:hover {
  border-color: var(--ff-accent);
  color: var(--ff-accent);
}

.ff-theme-toggle:focus-visible {
  outline: none;
  box-shadow: var(--ff-focus-ring);
}

/* Show sun in dark mode, moon in light mode */
.ff-theme-icon-light {
  display: none;
}

.ff-theme-icon-dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ff-theme-icon-light {
    display: block;
  }
  :root:not([data-theme="light"]) .ff-theme-icon-dark {
    display: none;
  }
}

:root[data-theme="dark"] .ff-theme-icon-light {
  display: block;
}

:root[data-theme="dark"] .ff-theme-icon-dark {
  display: none;
}

:root[data-theme="light"] .ff-theme-icon-light {
  display: none;
}

/* Theme labels for mobile menu */
.ff-theme-label-light,
.ff-theme-label-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .ff-theme-label-light {
    display: inline;
  }
}

:root[data-theme="dark"] .ff-theme-label-light {
  display: inline;
}

:root[data-theme="dark"] .ff-theme-label-dark {
  display: none;
}

:root[data-theme="light"] .ff-theme-label-dark {
  display: inline;
}

:root:not([data-theme]) .ff-theme-label-dark {
  display: inline;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .ff-theme-label-dark {
    display: none;
  }
}

:root[data-theme="light"] .ff-theme-icon-dark {
  display: block;
}

/* User Menu */
.ff-user-menu {
  position: relative;
  display: flex;
}

.ff-user-avatar {
  width: 32px;
  height: 32px;
  padding: 0;
  background: var(--ff-bg-subtle);
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  cursor: pointer;
  overflow: hidden;
}

.ff-user-avatar img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 0;
}

.ff-user-avatar:hover {
  border-color: var(--ff-accent);
}

.ff-user-avatar:focus-visible {
  outline: none;
  box-shadow: var(--ff-focus-ring);
}

.ff-user-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 180px;
  width: max-content;
  background: var(--ff-bg);
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  z-index: 200;
}

.ff-user-dropdown[hidden] {
  display: none;
}

.ff-user-dropdown-header {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--ff-border);
}

.ff-user-name {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--ff-text);
}

.ff-user-account {
  font-size: 0.75rem;
  color: var(--ff-muted);
  margin-top: 0.125rem;
}

.ff-user-dropdown-divider {
  height: 1px;
  background: var(--ff-border);
}

.ff-user-dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
  width: 100%;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--ff-text);
  text-decoration: none;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.ff-user-dropdown-item i {
  width: 1rem;
  text-align: center;
}

.ff-user-dropdown-item:hover {
  background: var(--ff-bg-subtle);
  color: var(--ff-text);
}

.ff-user-dropdown-btn {
  font-family: var(--ff-font-sans);
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
.ff-container {
  max-width: 680px;
  margin: 0 auto;
  padding: var(--ff-space-xl) var(--ff-space-lg);
}

/* Docs pages */
.ff-page--docs .ff-nav-inner {
  max-width: 920px;
}

.ff-docs-content {
  max-width: 680px;
}

/* Wide docs pages (e.g., playground) */
.ff-docs-content--wide {
  max-width: 920px;
}

/* --------------------------------------------------------------------------
   HERO
   -------------------------------------------------------------------------- */
.ff-hero {
  text-align: center;
  margin-bottom: var(--ff-space-2xl);
}

.ff-hero-title {
  font-size: 2.25rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ff-text);
  margin: 0 0 var(--ff-space-md);
  line-height: 1.1;
}

.ff-hero-subtitle {
  font-size: 1.0625rem;
  color: var(--ff-muted);
  max-width: 500px;
  margin: 0 auto;
  line-height: 1.6;
  font-weight: 400;
}

/* Docs List */
.ff-docs-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 400px;
}

.ff-docs-list li {
  border-bottom: 1px solid var(--ff-border);
}

.ff-docs-list li:first-child {
  border-top: 1px solid var(--ff-border);
}

.ff-docs-list a {
  display: block;
  padding: var(--ff-space-sm) 0;
  color: var(--ff-text);
  text-decoration: none;
  font-weight: 500;
}

.ff-docs-list a:hover {
  color: var(--ff-accent);
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
.ff-prose p {
  margin-bottom: var(--ff-space-md);
  color: var(--ff-text);
}

.ff-prose strong {
  color: var(--ff-text);
  font-weight: 600;
}

/* Headings - simplified to two levels */
.ff-prose > h1 {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: var(--ff-space-sm);
  color: var(--ff-text);
}

.ff-prose > h1 + p {
  color: var(--ff-muted);
  margin-bottom: var(--ff-space-xl);
}

.ff-prose > h2 {
  font-size: 1rem;
  font-weight: 400;
  margin-top: var(--ff-space-xl);
  margin-bottom: var(--ff-space-md);
  color: var(--ff-text);
}

.ff-prose > h3 {
  font-size: 0.6875rem;
  font-weight: 600;
  margin-top: var(--ff-space-lg);
  margin-bottom: var(--ff-space-sm);
  color: var(--ff-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Lists */
.ff-prose ul,
.ff-prose ol {
  padding-left: var(--ff-space-lg);
  margin-bottom: var(--ff-space-md);
  color: var(--ff-text);
}

.ff-prose li {
  margin-bottom: var(--ff-space-xs);
}

.ff-prose li::marker {
  color: var(--ff-muted);
}

/* Tables */
.ff-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin-bottom: var(--ff-space-lg);
}

.ff-prose thead tr {
  border-bottom: 1px solid var(--ff-border);
}

.ff-prose th {
  text-align: left;
  padding: var(--ff-space-sm) var(--ff-space-md) var(--ff-space-sm) 0;
  font-weight: 400;
  color: var(--ff-text);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ff-prose tbody tr {
  border-bottom: 1px solid var(--ff-border);
}

.ff-prose td {
  padding: var(--ff-space-sm) var(--ff-space-md) var(--ff-space-sm) 0;
  color: var(--ff-text);
}

.ff-prose td:last-child,
.ff-prose th:last-child {
  padding-right: 0;
}

.ff-prose td code {
  font-family: var(--ff-font-mono);
  font-size: 0.8125em;
  background: var(--ff-accent-subtle);
  color: var(--ff-accent);
  padding: 0.125rem 0.375rem;
}

/* Inline code */
.ff-prose code {
  font-family: var(--ff-font-mono);
  font-size: 0.8125em;
  background: var(--ff-accent-subtle);
  color: var(--ff-accent);
  padding: 0.125rem 0.375rem;
}

/* --------------------------------------------------------------------------
   BREADCRUMB
   -------------------------------------------------------------------------- */
.ff-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
  font-size: 0.75rem;
  margin-bottom: var(--ff-space-lg);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.ff-breadcrumb a {
  color: var(--ff-muted);
  text-decoration: none;
}

.ff-breadcrumb a:hover {
  text-decoration: underline;
}

.ff-breadcrumb-separator {
  color: var(--ff-muted);
}

.ff-breadcrumb-current {
  color: var(--ff-text);
}

/* --------------------------------------------------------------------------
   DOCS SUBNAV
   -------------------------------------------------------------------------- */
.ff-docs-subnav {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--ff-border);
  overflow-x: auto;
}

.ff-docs-subnav__link {
  font-size: 0.8125rem;
  color: var(--ff-muted);
  text-decoration: none;
  white-space: nowrap;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.ff-docs-subnav__link:hover {
  color: var(--ff-text);
  background: var(--ff-bg-subtle);
}

.ff-docs-subnav__link--active {
  color: var(--ff-text);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   CARDS
   -------------------------------------------------------------------------- */
.ff-card {
  display: block;
  background: var(--ff-bg);
  border: 1px solid var(--ff-border);
  border-radius: 6px;
  padding: var(--ff-space-lg);
  text-decoration: none;
  color: inherit;
}

.ff-card:hover {
  border-color: var(--ff-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.ff-card:focus-visible {
  outline: none;
  box-shadow: var(--ff-focus-ring);
}

.ff-card-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ff-muted);
  margin-bottom: var(--ff-space-sm);
}

.ff-card:hover .ff-card-icon {
  color: var(--ff-accent);
}

.ff-card-title {
  font-size: 1rem;
  font-weight: 400;
  color: var(--ff-text);
  margin-bottom: var(--ff-space-xs);
}

.ff-card-description {
  font-size: 0.875rem;
  color: var(--ff-muted);
  line-height: 1.5;
}

.ff-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--ff-space-md);
}

/* Docs Subpages - Links to sub-sections */
.ff-docs-subpages {
  display: flex;
  gap: var(--ff-space-xl);
  margin-top: var(--ff-space-xl);
  padding-top: var(--ff-space-lg);
  border-top: 1px solid var(--ff-border);
}

.ff-docs-subpages__group {
  flex: 1;
  min-width: 0;
}

.ff-docs-subpages__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ff-text);
  margin: 0 0 var(--ff-space-sm);
}

.ff-docs-subpages__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--ff-space-xs) var(--ff-space-md);
}

.ff-docs-subpages__list li a {
  font-size: 0.8125rem;
  color: var(--ff-muted);
  text-decoration: none;
}

.ff-docs-subpages__list li a:hover {
  color: var(--ff-accent);
}

@media (max-width: 500px) {
  .ff-docs-subpages {
    flex-direction: column;
    gap: var(--ff-space-md);
  }
}

/* --------------------------------------------------------------------------
   CODE BLOCKS - Subtle, integrated with left border accent
   -------------------------------------------------------------------------- */
.ff-code {
  position: relative;
  background: var(--ff-code-bg);
  margin: var(--ff-space-lg) 0;
  border-left: 2px solid var(--ff-code-border);
}

.ff-code-header {
  display: flex;
  align-items: center;
  padding: var(--ff-space-sm) var(--ff-space-md);
}

.ff-code-lang {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ff-muted);
  font-family: var(--ff-font-mono);
}

.ff-code pre {
  margin: 0;
  padding: var(--ff-space-md);
  overflow-x: auto;
  font-family: var(--ff-font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--ff-code-text);
}

.ff-code-header + pre {
  padding-top: 0;
}

.ff-code code {
  font-family: inherit;
  background: none;
  padding: 0;
  color: inherit;
}

/* --------------------------------------------------------------------------
   BUTTONS - One simple style
   -------------------------------------------------------------------------- */
.ff-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ff-space-sm);
  padding: var(--ff-space-sm) var(--ff-space-md);
  font-family: var(--ff-font-sans);
  font-size: 0.8125rem;
  font-weight: 400;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  background: var(--ff-bg);
  color: var(--ff-text);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.ff-btn:hover {
  border-color: var(--ff-text);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.ff-btn:focus-visible {
  outline: none;
  box-shadow: var(--ff-focus-ring);
}

.ff-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.ff-btn:disabled:hover {
  border-color: var(--ff-border);
}

.ff-btn-sm {
  padding: var(--ff-space-xs) var(--ff-space-sm);
  font-size: 0.75rem;
}

.ff-btn i {
  display: inline-block;
  width: 1em;
  text-align: center;
}

/* --------------------------------------------------------------------------
   FORM ELEMENTS
   -------------------------------------------------------------------------- */
.ff-input,
.ff-select,
.ff-textarea {
  width: 100%;
  padding: var(--ff-space-sm) var(--ff-space-sm);
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  font-family: var(--ff-font-mono);
  font-size: 0.875rem;
  background: var(--ff-bg);
  color: var(--ff-text);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.06);
}

.ff-input:focus,
.ff-select:focus,
.ff-textarea:focus {
  outline: none;
  border-color: var(--ff-accent);
}

.ff-input::placeholder,
.ff-textarea::placeholder {
  color: var(--ff-muted);
}

.ff-input:disabled,
.ff-select:disabled,
.ff-textarea:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--ff-bg-subtle);
}

.ff-select {
  cursor: pointer;
}

.ff-input-group {
  display: flex;
  gap: var(--ff-space-sm);
}

.ff-input-group .ff-input {
  flex: 1;
}

.ff-label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ff-text);
  margin-bottom: var(--ff-space-sm);
  font-family: var(--ff-font-sans);
}

/* --------------------------------------------------------------------------
   INTERACTIVE BLOCKS
   -------------------------------------------------------------------------- */
.ff-interactive-block {
  margin: var(--ff-space-lg) 0 var(--ff-space-lg);
  padding: var(--ff-space-lg);
  background: var(--ff-bg);
  border: 1px solid var(--ff-border);
  border-radius: 6px;
}

.ff-interactive-block.is-active {
  border-color: var(--ff-accent);
}

.ff-interactive-block.is-completed {
  border-color: var(--ff-success);
  background: var(--ff-success-subtle);
}

.ff-interactive-block.is-locked {
  background: var(--ff-bg-subtle);
  border-style: dashed;
  display: flex;
  align-items: center;
  gap: var(--ff-space-md);
}

.ff-interactive-block-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ff-bg);
  border: 1px solid var(--ff-border);
  border-radius: 6px;
  color: var(--ff-muted);
}

.ff-interactive-block-header {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
}

.ff-interactive-block-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ff-muted);
  font-family: var(--ff-font-mono);
}

.ff-interactive-block.is-active .ff-interactive-block-label {
  color: var(--ff-accent);
}

.ff-interactive-block.is-completed .ff-interactive-block-label {
  color: var(--ff-accent);
}

.ff-interactive-block-status {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ff-interactive-block-check {
  color: var(--ff-accent);
  font-weight: 600;
  font-size: 0.875rem;
}

.ff-interactive-block-content {
  flex: 1;
}

.ff-interactive-block-title {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--ff-text);
  margin: 0 0 var(--ff-space-xs);
}

.ff-interactive-block-description {
  font-size: 0.875rem;
  color: var(--ff-muted);
  margin: 0 0 var(--ff-space-sm);
}

.ff-interactive-block.is-locked .ff-interactive-block-content p:last-child {
  margin-bottom: 0;
}

/* Demo containers */
.ff-recorder-demo,
.ff-player-demo {
  background: var(--ff-bg-subtle);
  border: 1px dashed var(--ff-border);
  border-radius: 6px;
  padding: var(--ff-space-md);
  margin-top: var(--ff-space-sm);
}

/* Card Links */
.ff-card-link {
  display: block;
  padding: var(--ff-space-md);
  background: var(--ff-bg);
  border: 1px solid var(--ff-border);
  border-radius: 6px;
  text-decoration: none;
  color: var(--ff-text);
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

.ff-card-link:hover {
  border-color: var(--ff-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.ff-card-link strong {
  color: var(--ff-text);
}

/* --------------------------------------------------------------------------
   Utilities
   -------------------------------------------------------------------------- */
.ff-text-muted {
  color: var(--ff-muted);
}

.ff-text-success {
  color: var(--ff-accent);
}

.ff-text-error {
  color: var(--ff-error);
}

.ff-text-mono {
  font-family: var(--ff-font-mono);
}

.ff-text-sm {
  font-size: 0.875rem;
}

.ff-text-xs {
  font-size: 0.75rem;
}

.ff-mt-1 {
  margin-top: var(--ff-space-sm);
}
.ff-mt-2 {
  margin-top: var(--ff-space-md);
}
.ff-mt-3 {
  margin-top: var(--ff-space-lg);
}
.ff-mb-1 {
  margin-bottom: var(--ff-space-sm);
}
.ff-mb-2 {
  margin-bottom: var(--ff-space-md);
}
.ff-mb-3 {
  margin-bottom: var(--ff-space-lg);
}

.ff-divider {
  text-align: center;
  color: var(--ff-muted);
  font-size: 0.75rem;
  margin: var(--ff-space-md) 0;
}

/* --------------------------------------------------------------------------
   Mobile Menu
   -------------------------------------------------------------------------- */
.ff-mobile-menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  color: var(--ff-muted);
  cursor: pointer;
}

.ff-mobile-menu-toggle:hover {
  border-color: var(--ff-accent);
  color: var(--ff-accent);
}

.ff-mobile-menu-icon-close {
  display: none;
}

.ff-mobile-menu-toggle[aria-expanded="true"] .ff-mobile-menu-icon-open {
  display: none;
}

.ff-mobile-menu-toggle[aria-expanded="true"] .ff-mobile-menu-icon-close {
  display: block;
}

.ff-mobile-menu {
  display: none;
  background: var(--ff-bg);
  border-bottom: 1px solid var(--ff-border);
  overflow: hidden;
}

@media (max-width: 640px) {
  .ff-mobile-menu:not([hidden]) {
    display: block;
    animation: ff-slide-down 0.2s ease-out;
  }
}

@keyframes ff-slide-down {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ff-mobile-menu-inner {
  padding: var(--ff-space-md);
}

.ff-mobile-menu-header {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
  padding: var(--ff-space-xs) var(--ff-space-sm);
}

.ff-mobile-menu-user {
  flex: 1;
  min-width: 0;
}

.ff-mobile-menu-name {
  font-weight: 500;
  color: var(--ff-text);
  font-size: 0.875rem;
}

.ff-mobile-menu-account {
  color: var(--ff-muted);
  font-size: 0.75rem;
}

.ff-mobile-menu-link {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
  width: 100%;
  padding: var(--ff-space-sm) var(--ff-space-sm);
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--ff-muted);
  text-decoration: none;
  font-size: 0.875rem;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.ff-mobile-menu-link:hover {
  background: var(--ff-bg-subtle);
  color: var(--ff-text);
}

.ff-mobile-menu-link.active {
  color: var(--ff-text);
}

.ff-mobile-menu-link i {
  width: 1.25rem;
  text-align: center;
}

.ff-mobile-menu-divider {
  border: none;
  border-top: 1px solid var(--ff-border);
  margin: var(--ff-space-sm) 0;
}

.ff-hide-mobile {
  display: flex;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 640px) {
  .ff-nav {
    padding: 0 var(--ff-space-md);
  }

  .ff-nav-inner {
    padding: 0;
  }

  .ff-nav-links {
    display: none;
  }

  .ff-hide-mobile {
    display: none !important;
  }

  .ff-mobile-menu-toggle {
    display: flex;
  }

  .ff-container {
    padding: var(--ff-space-xl) var(--ff-space-md);
  }

  .ff-prose h1 {
    font-size: 1.5rem;
  }

  .ff-prose h2 {
    font-size: 1.125rem;
  }

  .ff-interactive-block.is-locked {
    flex-direction: column;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   Vue cloak
   -------------------------------------------------------------------------- */
[v-cloak] {
  display: none;
}

/* --------------------------------------------------------------------------
   Prism.js Overrides - Subtle syntax highlighting
   -------------------------------------------------------------------------- */

.ff-code pre[class*="language-"],
.ff-code code[class*="language-"] {
  color: var(--ff-text);
  background: var(--ff-code-bg);
  font-family: var(--ff-font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  text-shadow: none;
}

.ff-code pre[class*="language-"] {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
}

/* Subtle syntax - muted colors that don't distract */
.ff-code .token.comment,
.ff-code .token.prolog,
.ff-code .token.doctype,
.ff-code .token.cdata {
  color: var(--ff-muted);
}

.ff-code .token.punctuation {
  color: var(--ff-muted);
}

.ff-code .token.property,
.ff-code .token.tag,
.ff-code .token.boolean,
.ff-code .token.number,
.ff-code .token.constant,
.ff-code .token.symbol,
.ff-code .token.deleted {
  color: var(--ff-coral);
}

.ff-code .token.selector,
.ff-code .token.attr-name,
.ff-code .token.string,
.ff-code .token.char,
.ff-code .token.builtin,
.ff-code .token.inserted {
  color: var(--ff-sage);
}

.ff-code .token.operator,
.ff-code .token.entity,
.ff-code .token.url,
.ff-code .language-css .token.string,
.ff-code .style .token.string {
  color: var(--ff-text);
}

.ff-code .token.atrule,
.ff-code .token.attr-value,
.ff-code .token.keyword {
  color: var(--ff-sky);
}

.ff-code .token.function,
.ff-code .token.class-name {
  color: var(--ff-accent);
}

.ff-code .token.regex,
.ff-code .token.important,
.ff-code .token.variable {
  color: var(--ff-violet);
}

/* --------------------------------------------------------------------------
   DESIGN SYSTEM - Examples
   -------------------------------------------------------------------------- */
.ff-example {
  padding: var(--ff-space-lg);
  border: 1px solid var(--ff-border);
  border-radius: 6px;
  margin: var(--ff-space-md) 0 var(--ff-space-lg);
  background: var(--ff-bg);
}

.ff-example-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ff-space-sm);
  align-items: center;
}

/* --------------------------------------------------------------------------
   DESIGN SYSTEM - Color Swatches
   -------------------------------------------------------------------------- */
.ff-color-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--ff-space-md);
  margin: var(--ff-space-md) 0 var(--ff-space-lg);
}

.ff-color-swatch {
  margin: 0;
}

.ff-color-swatch-sample {
  height: 60px;
  border: 1px solid var(--ff-border);
  border-radius: 4px;
}

.ff-color-swatch figcaption {
  padding: var(--ff-space-sm) 0;
  font-size: 0.75rem;
}

.ff-color-swatch figcaption strong {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.125rem;
}

.ff-color-swatch figcaption code {
  font-size: 0.6875rem;
}

/* --------------------------------------------------------------------------
   DESIGN SYSTEM - Form Fields
   -------------------------------------------------------------------------- */
.ff-field {
  margin-bottom: var(--ff-space-md);
}

.ff-field:last-child {
  margin-bottom: 0;
}

.ff-input-error {
  border-color: var(--ff-error);
}

.ff-input-error:focus {
  border-color: var(--ff-error);
}

.ff-field-error {
  color: var(--ff-error);
  font-size: 0.75rem;
  margin: var(--ff-space-xs) 0 0;
  font-weight: 600;
}

.ff-textarea {
  resize: vertical;
  min-height: 80px;
}

.ff-fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

.ff-fieldset .ff-label {
  margin-bottom: var(--ff-space-sm);
}

/* Checkbox & Radio */
.ff-checkbox,
.ff-radio {
  display: flex;
  align-items: flex-start;
  gap: var(--ff-space-sm);
  cursor: pointer;
  font-size: 0.875rem;
}

.ff-radio {
  align-items: center;
  margin-bottom: var(--ff-space-xs);
}

.ff-radio:last-child {
  margin-bottom: 0;
}

.ff-checkbox input[type="checkbox"],
.ff-radio input[type="radio"] {
  width: 18px;
  height: 18px;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--ff-accent);
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   DESIGN SYSTEM - Callouts
   -------------------------------------------------------------------------- */
.ff-callout {
  padding: var(--ff-space-md) var(--ff-space-lg);
  border: 1px solid var(--ff-border);
  border-radius: 6px;
  margin: var(--ff-space-lg) 0;
  background: var(--ff-bg);
}

.ff-callout p {
  margin: 0;
}

.ff-callout p + p {
  margin-top: var(--ff-space-sm);
}

.ff-callout-warning {
  border-color: var(--ff-warning);
  background: var(--ff-warning-subtle);
}

.ff-callout-warning strong {
  color: var(--ff-warning);
}

.ff-callout-error {
  border-color: var(--ff-error);
  background: var(--ff-error-subtle);
}

.ff-callout-error strong {
  color: var(--ff-error);
}

.ff-callout-success {
  border-color: var(--ff-accent);
  background: var(--ff-accent-subtle);
}

.ff-callout-success strong {
  color: var(--ff-accent);
}

/* --------------------------------------------------------------------------
   DESIGN SYSTEM - Email Previews
   -------------------------------------------------------------------------- */
.ff-email-preview {
  margin: var(--ff-space-lg) 0;
}

.ff-email-preview figcaption {
  font-size: 0.75rem;
  color: var(--ff-muted);
  margin-top: var(--ff-space-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ff-email {
  border: 1px solid var(--ff-border);
  border-radius: 6px;
  background: #ffffff;
  color: #000000;
  max-width: 480px;
}

.ff-email-header {
  padding: var(--ff-space-md) var(--ff-space-lg);
  border-bottom: 1px solid #e0e0e0;
  font-size: 1.25rem;
}

.ff-email-body {
  padding: var(--ff-space-lg);
}

.ff-email-body h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 var(--ff-space-md);
  text-transform: none;
  letter-spacing: normal;
  color: #000000;
}

.ff-email-body p {
  margin: 0 0 var(--ff-space-md);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: #333333;
}

.ff-email-body a.ff-email-button {
  display: inline-block;
  padding: var(--ff-space-sm) var(--ff-space-lg);
  background: #000000;
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.875rem;
}

.ff-email-body a.ff-email-button:hover {
  background: #333333;
  text-decoration: none;
}

.ff-email-body p.ff-email-muted {
  color: #888888;
  font-size: 0.8125rem;
}

.ff-email-divider {
  border: none;
  border-top: 1px solid #e0e0e0;
  margin: var(--ff-space-md) 0;
}

.ff-email-body p.ff-email-footer {
  margin-bottom: 0;
}

.ff-email-footer small {
  color: #888888;
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   FOCUS LAYOUT - Rainbow gradient background for focused tasks
   -------------------------------------------------------------------------- */
.ff-focus-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ff-focus-layout::before {
  content: "";
  position: absolute;
  inset: 0;
  height: 45vh;
  background: var(--ff-gradient-rainbow);
  z-index: -1;
}

.ff-focus-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--ff-space-2xl) var(--ff-space-lg);
  max-width: 680px;
  margin: 0 auto;
}

.ff-focus-card {
  background: var(--ff-bg);
  border-radius: 6px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.12);
  padding: var(--ff-space-xl);
  width: 100%;
  min-height: 45vh;
}

.ff-focus-back {
  display: inline-flex;
  align-items: center;
  gap: var(--ff-space-xs);
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 0.875rem;
  margin-bottom: var(--ff-space-lg);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.ff-focus-back:hover {
  color: #fff;
}

/* --------------------------------------------------------------------------
   PAGE HEADER - Title + subtitle, optionally with actions
   -------------------------------------------------------------------------- */
.ff-page-header {
  margin-bottom: var(--ff-space-lg);
}

.ff-page-header--with-actions {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--ff-space-lg);
  margin-bottom: var(--ff-space-xl);
}

.ff-page-header__content {
  flex: 1;
  min-width: 0;
}

.ff-page-header__title {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ff-text);
}

.ff-page-header__subtitle {
  color: var(--ff-muted);
  margin: var(--ff-space-sm) 0 0;
}

.ff-page-header__actions {
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   SUB NAVIGATION - Underline tabs
   -------------------------------------------------------------------------- */
.ff-subnav {
  display: flex;
  gap: var(--ff-space-lg);
  border-bottom: 1px solid var(--ff-border);
  margin-bottom: var(--ff-space-xl);
}

.ff-subnav-link {
  display: inline-block;
  padding: var(--ff-space-sm) 0;
  color: var(--ff-muted);
  text-decoration: none;
  font-size: 0.875rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.ff-subnav-link:hover {
  color: var(--ff-text);
  border-bottom-color: var(--ff-border);
}

.ff-subnav-link.active {
  color: var(--ff-text);
  border-bottom-color: var(--ff-accent);
}

.ff-subnav-link i {
  display: inline-block;
  width: 1em;
  text-align: center;
}

/* --------------------------------------------------------------------------
   TABLES
   -------------------------------------------------------------------------- */
.ff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.ff-table th {
  text-align: left;
  padding: var(--ff-space-sm) var(--ff-space-md) var(--ff-space-sm) 0;
  font-weight: 400;
  color: var(--ff-muted);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--ff-border);
}

.ff-table td {
  padding: var(--ff-space-md) var(--ff-space-md) var(--ff-space-md) 0;
  color: var(--ff-text);
  border-bottom: 1px solid var(--ff-border);
  vertical-align: middle;
}

.ff-table th:last-child,
.ff-table td:last-child {
  padding-right: 0;
}

.ff-table tbody tr:hover {
  background: var(--ff-bg-subtle);
}

.ff-table-link {
  color: var(--ff-text);
  text-decoration: none;
}

.ff-table-link:hover {
  text-decoration: underline;
  text-decoration-color: var(--ff-accent);
}

/* --------------------------------------------------------------------------
   EMPTY STATE - Card style
   -------------------------------------------------------------------------- */
.ff-empty-state {
  text-align: center;
  padding: var(--ff-space-2xl) var(--ff-space-lg);
  background: var(--ff-bg);
  border: 1px dashed var(--ff-border);
  border-radius: 6px;
}

.ff-empty-state-icon {
  font-size: 2rem;
  color: var(--ff-muted);
  margin-bottom: var(--ff-space-md);
}

.ff-empty-state-title {
  font-size: 1rem;
  font-weight: 400;
  color: var(--ff-text);
  margin: 0 0 var(--ff-space-xs);
}

.ff-empty-state-description {
  font-size: 0.875rem;
  color: var(--ff-muted);
  margin: 0 0 var(--ff-space-lg);
}

/* --------------------------------------------------------------------------
   BADGES - Subtle with border
   -------------------------------------------------------------------------- */
.ff-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--ff-space-xs);
  padding: 0.125rem var(--ff-space-sm);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 3px;
  background: var(--ff-bg-subtle);
  color: var(--ff-muted);
  border: 1px solid var(--ff-border);
}

.ff-badge-success {
  background: var(--ff-success-subtle);
  color: var(--ff-sage);
  border-color: var(--ff-sage);
}

.ff-badge-warning {
  background: var(--ff-warning-subtle);
  color: var(--ff-amber);
  border-color: var(--ff-amber);
}

.ff-badge-danger {
  background: var(--ff-error-subtle);
  color: var(--ff-coral);
  border-color: var(--ff-coral);
}

.ff-badge-accent {
  background: var(--ff-accent-subtle);
  color: var(--ff-accent);
  border-color: var(--ff-accent);
}

.ff-badge-truncate {
  display: inline-block;
  min-width: 4ch;
  max-width: 16ch;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: middle;
}

.ff-badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ff-space-xs);
}

/* --------------------------------------------------------------------------
   PROGRESS BAR - Rainbow gradient
   -------------------------------------------------------------------------- */
.ff-progress {
  height: 8px;
  background: var(--ff-bg-subtle);
  border-radius: 4px;
  overflow: hidden;
}

.ff-progress-bar {
  height: 100%;
  background: var(--ff-gradient-rainbow);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.ff-progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--ff-muted);
  margin-top: var(--ff-space-xs);
}

/* --------------------------------------------------------------------------
   ALERTS / FLASH MESSAGES
   -------------------------------------------------------------------------- */
.ff-alert {
  padding: var(--ff-space-md) var(--ff-space-lg);
  border-radius: 6px;
  font-size: 0.875rem;
  margin-bottom: var(--ff-space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--ff-space-sm);
}

.ff-alert-icon {
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.ff-alert-content {
  flex: 1;
}

.ff-alert-dismiss {
  flex-shrink: 0;
  background: none;
  border: none;
  color: inherit;
  opacity: 0.6;
  cursor: pointer;
  padding: 0;
  font-size: 1rem;
}

.ff-alert-dismiss:hover {
  opacity: 1;
}

.ff-alert-info {
  background: var(--ff-accent-subtle);
  border: 1px solid var(--ff-accent);
  color: var(--ff-text);
}

.ff-alert-success {
  background: var(--ff-success-subtle);
  border: 1px solid var(--ff-success);
  color: var(--ff-text);
}

.ff-alert-warning {
  background: var(--ff-warning-subtle);
  border: 1px solid var(--ff-warning);
  color: var(--ff-text);
}

.ff-alert-error {
  background: var(--ff-error-subtle);
  border: 1px solid var(--ff-error);
  color: var(--ff-text);
}

/* --------------------------------------------------------------------------
   NATIVE DIALOG
   -------------------------------------------------------------------------- */
.ff-dialog {
  border: none;
  border-radius: 6px;
  padding: 0;
  max-width: 400px;
  width: 90vw;
  background: var(--ff-bg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.ff-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}

.ff-dialog-header {
  padding: var(--ff-space-lg);
  border-bottom: 1px solid var(--ff-border);
}

.ff-dialog-title {
  font-size: 1.125rem;
  font-weight: 400;
  margin: 0;
  color: var(--ff-text);
}

.ff-dialog-body {
  padding: var(--ff-space-lg);
}

.ff-dialog-body p {
  margin: 0 0 var(--ff-space-md);
  color: var(--ff-text);
}

.ff-dialog-body p:last-child {
  margin-bottom: 0;
}

.ff-dialog-footer {
  padding: var(--ff-space-md) var(--ff-space-lg);
  border-top: 1px solid var(--ff-border);
  display: flex;
  justify-content: flex-end;
  gap: var(--ff-space-sm);
}

/* --------------------------------------------------------------------------
   BUTTON VARIANTS
   -------------------------------------------------------------------------- */
.ff-btn-primary {
  background: var(--ff-text);
  color: var(--ff-bg);
  border-color: var(--ff-text);
}

.ff-btn-primary:hover {
  background: var(--ff-muted);
  border-color: var(--ff-muted);
}

.ff-btn-danger {
  background: var(--ff-error);
  color: white;
  border-color: var(--ff-error);
}

.ff-btn-danger:hover {
  background: var(--ff-coral);
  border-color: var(--ff-coral);
}

.ff-btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--ff-muted);
}

.ff-btn-ghost:hover {
  background: var(--ff-bg-subtle);
  border-color: transparent;
  color: var(--ff-text);
}

/* Button with icon */
.ff-btn i,
.ff-btn svg {
  font-size: 0.875em;
}

/* --------------------------------------------------------------------------
   DETAIL CARD
   -------------------------------------------------------------------------- */
.ff-detail-card {
  background: var(--ff-bg);
  border: 1px solid var(--ff-border);
  border-radius: 6px;
  margin-bottom: var(--ff-space-lg);
}

.ff-detail-card-header {
  padding: var(--ff-space-md) var(--ff-space-lg);
  border-bottom: 1px solid var(--ff-border);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ff-muted);
}

.ff-detail-card-body {
  padding: var(--ff-space-lg);
}

.ff-detail-row {
  display: flex;
  padding: var(--ff-space-sm) 0;
  border-bottom: 1px solid var(--ff-border);
}

.ff-detail-row:last-child {
  border-bottom: none;
}

.ff-detail-label {
  flex: 0 0 140px;
  font-size: 0.75rem;
  color: var(--ff-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ff-detail-value {
  flex: 1;
  font-size: 0.875rem;
  color: var(--ff-text);
}

.ff-detail-value--stacked {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--ff-space-xs);
}

/* --------------------------------------------------------------------------
   FORM SECTION
   -------------------------------------------------------------------------- */
.ff-form-section {
  margin-bottom: var(--ff-space-xl);
}

.ff-form-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ff-muted);
  margin: 0 0 var(--ff-space-md);
  padding-bottom: var(--ff-space-sm);
  border-bottom: 1px solid var(--ff-border);
}

/* --------------------------------------------------------------------------
   FORM ACTIONS
   -------------------------------------------------------------------------- */
.ff-form-actions {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
  margin-top: var(--ff-space-xl);
}

/* --------------------------------------------------------------------------
   PERMISSIONS TABLE
   -------------------------------------------------------------------------- */
.ff-permissions-table {
  width: 100%;
  border-collapse: collapse;
}

.ff-permissions-table th,
.ff-permissions-table td {
  padding: var(--ff-space-sm) var(--ff-space-md);
  text-align: left;
  border-bottom: 1px solid var(--ff-border);
}

.ff-permissions-table th {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ff-muted);
}

.ff-permissions-table td {
  font-size: 0.875rem;
}

.ff-permissions-table select {
  width: 100%;
}

/* --------------------------------------------------------------------------
   ADDITIONAL FORM STYLES
   -------------------------------------------------------------------------- */

/* Required field indicator */
.ff-required {
  color: var(--ff-error);
}

/* Checkbox field layout */
.ff-field-checkbox {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: var(--ff-space-sm);
}

.ff-field-checkbox .ff-checkbox {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--ff-accent);
  cursor: pointer;
}

.ff-checkbox-label {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--ff-text);
  cursor: pointer;
}

.ff-field-checkbox .ff-field-error {
  flex-basis: 100%;
}

.ff-checkbox-error {
  outline: 2px solid var(--ff-error);
  outline-offset: 2px;
}

/* Textarea error state */
.ff-textarea-error {
  border-color: var(--ff-error);
}

.ff-textarea-error:focus {
  border-color: var(--ff-error);
}

/* Form actions variants */
.ff-form-actions-inline {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
}

.ff-form-or {
  color: var(--ff-muted);
  font-size: 0.875rem;
}

/* Block button */
.ff-btn-block {
  width: 100%;
  justify-content: center;
}

/* Form footer text */
.ff-form-footer {
  margin-top: var(--ff-space-lg);
  text-align: center;
  font-size: 0.875rem;
  color: var(--ff-muted);
}

.ff-form-footer a {
  color: var(--ff-text);
}

/* --------------------------------------------------------------------------
   LIST COMPONENT
   -------------------------------------------------------------------------- */
.ff-list {
  border-top: 1px solid var(--ff-border);
}

.ff-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ff-space-md) var(--ff-space-lg);
  border-bottom: 1px solid var(--ff-border);
  gap: var(--ff-space-md);
}

.ff-list-item-content {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
  flex: 1;
  min-width: 0;
}

.ff-list-item-details {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.ff-list-item-title {
  font-size: 0.9375rem;
  color: var(--ff-text);
}

.ff-list-item-meta {
  display: flex;
  gap: var(--ff-space-lg);
  font-size: 0.8125rem;
  color: var(--ff-muted);
  margin-top: var(--ff-space-xs);
}

.ff-list-item-meta i {
  margin-right: var(--ff-space-xs);
}

/* --------------------------------------------------------------------------
   FILTER FORM / INPUT GROUP
   -------------------------------------------------------------------------- */
.ff-filter-form {
  margin-bottom: var(--ff-space-lg);
}

.ff-input-group {
  display: flex;
  gap: var(--ff-space-sm);
}

.ff-input-group .ff-input {
  flex: 1;
}

/* --------------------------------------------------------------------------
   UTILITY CLASSES
   -------------------------------------------------------------------------- */
.ff-mono {
  font-family: var(--ff-font-mono);
}

.ff-text-muted {
  color: var(--ff-muted);
}

.ff-text-nowrap {
  white-space: nowrap;
}

/* Small button variant */
.ff-btn-sm {
  padding: var(--ff-space-xs) var(--ff-space-sm);
  font-size: 0.75rem;
}

/* Inline empty state */
.ff-empty-state-inline {
  padding: var(--ff-space-lg);
  text-align: center;
  background: transparent;
  border: none;
}

/* --------------------------------------------------------------------------
   SELECT ELEMENT
   -------------------------------------------------------------------------- */
.ff-select {
  display: block;
  width: 100%;
  padding: var(--ff-space-sm) var(--ff-space-md);
  font-size: 0.9375rem;
  font-family: var(--ff-font-sans);
  color: var(--ff-text);
  background: var(--ff-bg);
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%238c8279' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--ff-space-sm) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
  cursor: pointer;
}

.ff-select:focus {
  outline: none;
  border-color: var(--ff-accent);
  box-shadow: var(--ff-focus-ring);
}

.ff-select-error {
  border-color: var(--ff-error);
}

/* --------------------------------------------------------------------------
   DANGER CARD VARIANTS
   -------------------------------------------------------------------------- */
.ff-detail-card-danger {
  border-color: var(--ff-error);
}

.ff-detail-card-header-danger {
  background: var(--ff-error-subtle);
  border-bottom-color: var(--ff-error);
  color: var(--ff-error);
}

.ff-text-danger {
  color: var(--ff-error);
}

/* --------------------------------------------------------------------------
   DIALOG VARIANTS
   -------------------------------------------------------------------------- */
.ff-dialog-header-danger {
  background: var(--ff-error);
  color: white;
}

.ff-dialog-header-danger .ff-dialog-title {
  color: white;
}

.ff-dialog-close {
  background: none;
  border: none;
  padding: var(--ff-space-xs);
  cursor: pointer;
  color: inherit;
  font-size: 1.25rem;
  line-height: 1;
  opacity: 0.8;
}

.ff-dialog-close:hover {
  opacity: 1;
}

.ff-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   PROGRESS BAR
   -------------------------------------------------------------------------- */
.ff-progress {
  height: 24px;
  background: var(--ff-bg-subtle);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--ff-space-sm);
}

.ff-progress-bar {
  height: 100%;
  background: var(--ff-gradient-rainbow);
  transition: width 0.3s ease;
}

.ff-progress-warning {
  background: var(--ff-warning);
}

.ff-progress-danger {
  background: var(--ff-error);
}

.ff-progress-label {
  font-size: 0.8125rem;
  color: var(--ff-muted);
  margin: 0;
}

/* --------------------------------------------------------------------------
   PRE-WRAP TEXT
   -------------------------------------------------------------------------- */
.ff-pre-wrap {
  white-space: pre-wrap;
  margin: 0;
}

/* --------------------------------------------------------------------------
   TOKEN META
   -------------------------------------------------------------------------- */
.ff-token-meta {
  margin-top: var(--ff-space-xl);
  padding-top: var(--ff-space-md);
  border-top: 1px solid var(--ff-border);
}

/* --------------------------------------------------------------------------
   FIELD HINT
   -------------------------------------------------------------------------- */
.ff-field-hint {
  font-size: 0.8125rem;
  color: var(--ff-muted);
  margin-top: var(--ff-space-xs);
}

/* --------------------------------------------------------------------------
   SUCCESS / ERROR CARDS
   -------------------------------------------------------------------------- */
.ff-success-card,
.ff-error-card {
  text-align: center;
}

.ff-success-icon,
.ff-error-icon {
  font-size: 3rem;
  margin-bottom: var(--ff-space-lg);
  color: var(--ff-muted);
}

.ff-success-icon-success {
  color: var(--ff-success);
}

.ff-error-icon-danger {
  color: var(--ff-error);
}

/* --------------------------------------------------------------------------
   HELP SECTION
   -------------------------------------------------------------------------- */
.ff-help-section {
  margin-top: var(--ff-space-xl);
  text-align: left;
}

.ff-help-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 0 var(--ff-space-sm);
}

.ff-help-list {
  font-size: 0.875rem;
  color: var(--ff-muted);
  margin: 0;
  padding-left: var(--ff-space-lg);
}

.ff-help-list li {
  margin-bottom: var(--ff-space-xs);
}

/* --------------------------------------------------------------------------
   TOKEN DISPLAY
   -------------------------------------------------------------------------- */
.ff-token-display {
  padding: var(--ff-space-md);
  background: var(--ff-bg-subtle);
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  margin: var(--ff-space-lg) 0;
  word-break: break-all;
}

/* --------------------------------------------------------------------------
   DEBUG CARD
   -------------------------------------------------------------------------- */
.ff-debug-card {
  margin-top: var(--ff-space-xl);
}

.ff-debug-trace {
  font-family: var(--ff-font-mono);
  font-size: 0.75rem;
  margin: 0;
  white-space: pre-wrap;
  text-align: left;
}

/* --------------------------------------------------------------------------
   ACCOUNT LIST
   -------------------------------------------------------------------------- */
.ff-account-list {
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  margin-bottom: var(--ff-space-lg);
}

.ff-account-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--ff-space-md);
  border-bottom: 1px solid var(--ff-border);
}

.ff-account-item:last-child {
  border-bottom: none;
}

.ff-account-name {
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   USER HEADER
   -------------------------------------------------------------------------- */
.ff-user-header {
  display: flex;
  align-items: center;
  gap: var(--ff-space-sm);
}

/* --------------------------------------------------------------------------
   ROLE TOGGLE
   -------------------------------------------------------------------------- */
.ff-role-toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ff-space-sm);
}

.ff-role-toggle form {
  display: inline;
}

.ff-text-small {
  font-size: 0.8125rem;
  display: block;
  width: 100%;
  margin-top: var(--ff-space-xs);
}

/* --------------------------------------------------------------------------
   SECTION TITLE
   -------------------------------------------------------------------------- */
.ff-section-title {
  font-size: 1rem;
  font-weight: 500;
  margin: var(--ff-space-xl) 0 var(--ff-space-md);
  color: var(--ff-text);
}

/* --------------------------------------------------------------------------
   CHECKBOX HINT
   -------------------------------------------------------------------------- */
.ff-checkbox-hint {
  display: block;
  font-size: 0.8125rem;
  color: var(--ff-muted);
  font-weight: 400;
  margin-top: var(--ff-space-xs);
}

/* --------------------------------------------------------------------------
   PROJECT PERMISSIONS
   -------------------------------------------------------------------------- */
.ff-project-permissions {
  margin: var(--ff-space-lg) 0;
}

.ff-text-italic {
  font-style: italic;
}

/* --------------------------------------------------------------------------
   INVITATION DETAILS
   -------------------------------------------------------------------------- */
.ff-invitation-details {
  background: var(--ff-bg-subtle);
  border: 1px solid var(--ff-border);
  border-radius: 4px;
  padding: var(--ff-space-md);
  margin: var(--ff-space-lg) 0;
}

/* --------------------------------------------------------------------------
   PERMISSION LIST
   -------------------------------------------------------------------------- */
.ff-permission-list {
  margin: 0;
  padding-left: var(--ff-space-lg);
  font-size: 0.875rem;
}

.ff-permission-list li {
  margin-bottom: var(--ff-space-xs);
}

.ff-permission-list li:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   WELCOME CARD
   -------------------------------------------------------------------------- */
.ff-welcome-card {
  background: var(--ff-bg-subtle);
  border: 1px solid var(--ff-border);
  border-radius: 6px;
  padding: var(--ff-space-xl);
}

.ff-welcome-info {
  margin-top: var(--ff-space-lg);
}

/* --------------------------------------------------------------------------
   PROCESSING / SPINNER
   -------------------------------------------------------------------------- */
.ff-processing-card {
  text-align: center;
}

.ff-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--ff-border);
  border-top-color: var(--ff-accent);
  border-radius: 50%;
  animation: ff-spin 1s linear infinite;
  margin: 0 auto var(--ff-space-lg);
}

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

/* --------------------------------------------------------------------------
   Site Footer
   -------------------------------------------------------------------------- */
.ff-site-footer {
  margin-top: auto;
  padding: var(--ff-space-2xl) var(--ff-space-lg);
  text-align: center;
  color: var(--ff-muted);
  font-size: 0.875rem;
}

.ff-site-footer-links {
  display: flex;
  justify-content: center;
  gap: var(--ff-space-md);
  margin-bottom: var(--ff-space-sm);
}

.ff-site-footer-links a {
  color: var(--ff-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.ff-site-footer-links a:hover {
  color: var(--ff-accent);
}

.ff-site-footer-copy {
  font-size: 0.8125rem;
}

fortyfour-player {
  display: block;
  min-height: 150px;
  --fortyfour-player-accent: var(--ff-accent);
  --fortyfour-player-background: var(--ff-bg);
  --fortyfour-player-surface: var(--ff-bg-subtle);
  --fortyfour-player-text: var(--ff-text);
  --fortyfour-player-muted: var(--ff-muted);
  --fortyfour-player-border: var(--ff-border);
}