/* ==========================================================================
   1. DESIGN TOKENS & THEMING (CSS Custom Properties)
   ========================================================================== */

:root {
  /* Fonts */
  --shadow-claw-font-sans:
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --shadow-claw-font-mono:
    "JetBrains Mono", "Fira Code", "Roboto Mono", monospace;

  --pwgen-font-family: var(--shadow-claw-font-mono);
  --x-pwgen-font-family: var(--shadow-claw-font-mono);
  --x-pwgen-font-size: 1.1rem;
  --x-pwgen-li-padding: 0.5rem 0;

  /* Theme Palette — Light Mode Default */
  --shadow-claw-bg-primary: #f8fafc;
  --shadow-claw-bg-secondary: #ffffff;
  --shadow-claw-bg-tertiary: #f1f5f9;
  --shadow-claw-bg-card: #ffffff;
  --shadow-claw-bg-primary-reverse: #0f172a;
  --shadow-claw-border-color: #cbd5e1;

  --shadow-claw-accent-primary: #0284c7;
  --shadow-claw-accent-hover: #0369a1;
  --shadow-claw-accent-secondary: #059669;
  --shadow-claw-surface-tint: #0284c7;
  --shadow-claw-on-primary: #ffffff;

  --shadow-claw-text-primary: #0f172a;
  --shadow-claw-text-secondary: #334155;
  --shadow-claw-text-tertiary: #64748b;

  --shadow-claw-link: #0284c7;
  --shadow-claw-link-hover: #0369a1;

  --shadow-claw-code-bg: #f1f5f9;
  --shadow-claw-code-text: #0284c7;

  --shadow-claw-shadow-sm:
    0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.03);
  --shadow-claw-shadow-md:
    0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-claw-shadow-lg:
    0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --mdc-checkbox-disabled-color: var(--shadow-claw-border-color);
  --mdc-checkbox-unchecked-color: var(--shadow-claw-text-primary);
  --mdc-slider-track-color: var(--shadow-claw-border-color);
  --mdc-theme-primary: #38bdf8;
  --mdc-theme-secondary: var(--mdc-theme-primary);
  --mdc-theme-on-primary: #ffffff;
  --mdc-theme-on-secondary: #ffffff;
  --mdc-theme-on-surface: var(--shadow-claw-text-primary);
  --mdc-theme-text-primary-on-background: var(--shadow-claw-text-primary);
  --mdc-theme-text-secondary-on-background: #94a3b8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --shadow-claw-bg-primary: #0f172a;
    --shadow-claw-bg-secondary: #1e293b;
    --shadow-claw-bg-tertiary: #1b2638;
    --shadow-claw-bg-card: #182234;
    --shadow-claw-bg-primary-reverse: #f8fafc;
    --shadow-claw-border-color: #334155;

    --shadow-claw-accent-primary: #38bdf8;
    --shadow-claw-accent-hover: #0284c7;
    --shadow-claw-accent-secondary: #34d399;
    --shadow-claw-surface-tint: #38bdf8;
    --shadow-claw-on-primary: #0f172a;

    --shadow-claw-text-primary: #f8fafc;
    --shadow-claw-text-secondary: #94a3b8;
    --shadow-claw-text-tertiary: #64748b;

    --shadow-claw-link: #38bdf8;
    --shadow-claw-link-hover: #7dd3fc;

    --shadow-claw-code-bg: #0b1120;
    --shadow-claw-code-text: #38bdf8;

    --shadow-claw-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-claw-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-claw-shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.6);
  }
}

.light-mode {
  --shadow-claw-bg-primary: #f8fafc;
  --shadow-claw-bg-secondary: #ffffff;
  --shadow-claw-bg-tertiary: #f1f5f9;
  --shadow-claw-bg-card: #ffffff;
  --shadow-claw-bg-primary-reverse: #0f172a;
  --shadow-claw-border-color: #cbd5e1;

  --shadow-claw-accent-primary: #0284c7;
  --shadow-claw-accent-hover: #0369a1;
  --shadow-claw-accent-secondary: #059669;
  --shadow-claw-surface-tint: #0284c7;
  --shadow-claw-on-primary: #ffffff;

  --shadow-claw-text-primary: #0f172a;
  --shadow-claw-text-secondary: #334155;
  --shadow-claw-text-tertiary: #64748b;

  --shadow-claw-link: #0284c7;
  --shadow-claw-link-hover: #0369a1;

  --shadow-claw-code-bg: #f1f5f9;
  --shadow-claw-code-text: #0284c7;
}

.dark-mode {
  --shadow-claw-bg-primary: #0f172a;
  --shadow-claw-bg-secondary: #1e293b;
  --shadow-claw-bg-tertiary: #1b2638;
  --shadow-claw-bg-card: #182234;
  --shadow-claw-bg-primary-reverse: #f8fafc;
  --shadow-claw-border-color: #334155;

  --shadow-claw-accent-primary: #38bdf8;
  --shadow-claw-accent-hover: #0284c7;
  --shadow-claw-accent-secondary: #34d399;
  --shadow-claw-surface-tint: #38bdf8;
  --shadow-claw-on-primary: #0f172a;

  --shadow-claw-text-primary: #f8fafc;
  --shadow-claw-text-secondary: #94a3b8;
  --shadow-claw-text-tertiary: #64748b;

  --shadow-claw-link: #38bdf8;
  --shadow-claw-link-hover: #7dd3fc;

  --shadow-claw-code-bg: #0b1120;
  --shadow-claw-code-text: #38bdf8;
}

/* ==========================================================================
   2. BASE & TYPOGRAPHY STYLES
   ========================================================================== */

body {
  background-color: var(--shadow-claw-bg-primary);
  color: var(--shadow-claw-text-primary);
  font-family: var(--shadow-claw-font-sans);
  margin: 0;
  line-height: 1.6;
}

article {
  max-width: 900px;
  margin: 0 auto;
}

h1,
h2,
h3,
h4 {
  color: var(--shadow-claw-text-primary);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2rem;
  margin-top: 0;
}

h2 {
  font-size: 1.5rem;
  margin-top: 2rem;
  border-bottom: 1px solid var(--shadow-claw-border-color);
  padding-bottom: 0.5rem;
}

h3 {
  font-size: 1.15rem;
  margin-top: 1.25rem;
}

a {
  color: var(--shadow-claw-link);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--shadow-claw-link-hover);
  text-decoration: underline;
}

code,
kbd,
pre {
  font-family: var(--shadow-claw-font-mono);
}

code {
  background: var(--shadow-claw-code-bg);
  color: var(--shadow-claw-code-text);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  border: 1px solid var(--shadow-claw-border-color);
}

pre {
  background: var(--shadow-claw-code-bg);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid var(--shadow-claw-border-color);
  overflow-x: auto;
}

pre code {
  background: transparent;
  padding: 0;
  border: none;
  color: var(--shadow-claw-text-primary);
}

kbd {
  background-color: var(--shadow-claw-bg-tertiary);
  color: var(--shadow-claw-text-primary);
  border-radius: 4px;
  border: 1px solid var(--shadow-claw-border-color);
  box-shadow: 0 1px 0 var(--shadow-claw-border-color);
  display: inline-block;
  font-size: 0.85em;
  padding: 0.15em 0.4em;
}

/* ==========================================================================
   3. LAYOUT & NAVIGATION COMPONENTS
   ========================================================================== */

.header-title-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.header-title-logo {
  display: flex;
  flex-shrink: 0;
  height: 2.125rem;
  margin-right: 0.35rem;
  transition: transform 0.2s ease;
  width: 2.125rem;
}

.header-title-link:hover .header-title-logo {
  transform: scale(1.05);
}

.header-title {
  align-items: center;
  color: var(--shadow-claw-text-primary);
  display: flex;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-left: 0;
}

.pwgen-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--shadow-claw-border-color);
  padding-bottom: 1rem;
}

.pwgen-header-title {
  margin: 0;
  font-family: var(--shadow-claw-font-mono);
  color: var(--shadow-claw-accent-primary);
  font-size: 1.75rem;
}

.pwgen-header-subtitle {
  margin: 0.25rem 0 0 0;
  color: var(--shadow-claw-text-secondary);
  font-size: 1rem;
}

.pwgen-badge-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

hr {
  margin: 2rem 0;
  border: 0;
  border-top: 1px solid var(--shadow-claw-border-color);
}

.pwgen-next-chapter {
  text-align: center;
  margin-top: 1rem;
}

/* ==========================================================================
   4. CONTENT & DATA COMPONENTS (Badges, Cards, Grids, Tables)
   ========================================================================== */

/* Badges */
.pwgen-badge {
  display: inline-block;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--shadow-claw-font-mono);
}

.pwgen-badge--cyan {
  background: rgba(56, 189, 248, 0.15);
  color: var(--shadow-claw-accent-primary);
  border: 1px solid var(--shadow-claw-border-color);
}

.pwgen-badge--emerald {
  background: rgba(52, 211, 153, 0.15);
  color: var(--shadow-claw-accent-secondary);
  border: 1px solid var(--shadow-claw-border-color);
}

.pwgen-badge--purple {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid var(--shadow-claw-border-color);
}

.pwgen-badge--amber {
  background: rgba(251, 191, 36, 0.15);
  color: #d97706;
  border: 1px solid var(--shadow-claw-border-color);
}

/* Cards & Content Grid */
.pwgen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.pwgen-card {
  background: var(--shadow-claw-bg-card);
  border: 1px solid var(--shadow-claw-border-color);
  border-radius: 8px;
  padding: 1.25rem;
  box-shadow: var(--shadow-claw-shadow-sm);
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease;
}

.pwgen-card:hover {
  transform: translateY(-2px);
  border-color: var(--shadow-claw-accent-primary);
  box-shadow: var(--shadow-claw-shadow-md);
}

.pwgen-card h3 {
  margin-top: 0;
  color: var(--shadow-claw-accent-primary);
}

.pwgen-card p {
  margin-bottom: 0;
  color: var(--shadow-claw-text-secondary);
  font-size: 0.95rem;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

th,
td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--shadow-claw-border-color);
}

th {
  background-color: var(--shadow-claw-bg-tertiary);
  color: var(--shadow-claw-text-primary);
  font-weight: 600;
}

tr:nth-child(even) {
  background-color: var(--shadow-claw-bg-tertiary);
}

/* ==========================================================================
   5. INTERACTIVE DEMO & CONTROLS (Sliders, Checkboxes, Buttons)
   ========================================================================== */

.pwgen-demo-container {
  background: var(--shadow-claw-bg-card);
  border: 1px solid var(--shadow-claw-border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-claw-shadow-md);
}

.pwgen-output-box {
  background: var(--shadow-claw-bg-tertiary);
  border: 1px dashed var(--shadow-claw-accent-primary);
  border-radius: 8px;
  padding: 1rem;
  min-height: 4rem;
  font-family: var(--shadow-claw-font-mono);
  font-size: 1.2rem;
  color: var(--shadow-claw-accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  word-break: break-all;
  margin-bottom: 1.25rem;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
}

.pwgen-controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 1rem;
}

.pwgen-control-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pwgen-control-group label {
  font-size: 0.85rem;
  color: var(--shadow-claw-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.pwgen-control-group label span {
  color: var(--shadow-claw-accent-primary);
}

.pwgen-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.5rem;
}

.pwgen-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--shadow-claw-text-primary);
  cursor: pointer;
  user-select: none;
}

.pwgen-checkbox-label input[type="checkbox"] {
  accent-color: var(--shadow-claw-accent-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.pwgen-range-input {
  width: 100%;
  accent-color: var(--shadow-claw-accent-primary);
}

/* Buttons */
.pwgen-btn-group {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.pwgen-btn {
  background: var(--shadow-claw-accent-primary);
  color: var(--shadow-claw-on-primary);
  border: none;
  border-radius: 6px;
  padding: 0.6rem 1.2rem;
  font-weight: 600;
  font-family: var(--shadow-claw-font-mono);
  font-size: 0.95rem;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    transform 0.1s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.pwgen-btn:hover {
  background: var(--shadow-claw-accent-hover);
  transform: translateY(-1px);
}

.pwgen-btn:active {
  transform: translateY(0);
}

.pwgen-btn--secondary {
  background: var(--shadow-claw-bg-tertiary);
  color: var(--shadow-claw-text-primary);
  border: 1px solid var(--shadow-claw-border-color);
}

.pwgen-btn--secondary:hover {
  background: var(--shadow-claw-border-color);
}

/* ==========================================================================
   6. MATERIAL WEB COMPONENTS (MWC Overrides)
   ========================================================================== */

#pwgen-generate-btn {
  --mdc-theme-primary: var(--shadow-claw-accent-primary);
  --mdc-theme-on-primary: #ffffff;
}

#pwgen-copy-btn {
  --mdc-theme-primary: var(--shadow-claw-accent-primary);
  --mdc-theme-on-primary: var(--shadow-claw-accent-primary);
}

mwc-slider {
  touch-action: none;
  -webkit-user-select: none;
  user-select: none;
}

[data-no-swipe="true"],
[data-prevent-nav="true"] {
  touch-action: none;
}

mwc-formfield {
  --mdc-theme-text-primary-on-background: var(--shadow-claw-text-secondary);
}

mwc-textfield {
  width: 100%;
  --mdc-theme-primary: var(--shadow-claw-accent-primary);
  --mdc-theme-text-primary-on-background: var(--shadow-claw-text-primary);
  --mdc-theme-text-secondary-on-background: var(--shadow-claw-text-secondary);
  --mdc-text-field-ink-color: var(--shadow-claw-text-primary);
  --mdc-text-field-label-ink-color: var(--shadow-claw-text-secondary);
  --mdc-text-field-outlined-idle-border-color: var(--shadow-claw-border-color);
  --mdc-text-field-outlined-hover-border-color: var(
    --shadow-claw-accent-primary
  );
  --mdc-text-field-fill-color: var(--shadow-claw-bg-tertiary);
}