/* ============================================================
   components.css — UI components for SecurePass
   All colors/sizes reference tokens.css variables.
   Dark mode: auto via data-theme on <html>.
   ============================================================ */

/* ============================================================
   1. BUTTONS
   ============================================================ */

[hidden] {
  display: none !important;
}

/* Base button */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-family: var(--font-base);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius-md);
  padding: 10px var(--spacing-lg);
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background-color var(--transition),
    opacity var(--transition),
    transform var(--duration-fast) var(--ease-default),
    box-shadow var(--transition);
  user-select: none;
  -webkit-user-select: none;
  position: relative;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:active {
  transform: scale(0.96);
}

/* Primary — filled */
.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
}

.btn--primary:hover {
  background-color: var(--color-primary-hover);
  opacity: 1;
  box-shadow: var(--shadow-sm);
}

/* Ghost / outline */
.btn--ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  opacity: 1;
}

/* Danger */
.btn--danger {
  background-color: transparent;
  color: var(--color-error);
  border: none;
}

.btn--danger:hover {
  text-decoration: underline;
  opacity: 1;
}

/* Small variant */
.btn--sm {
  font-size: var(--text-xs);
  padding: 6px var(--spacing-md);
  border-radius: var(--radius-sm);
}

/* Full width */
.btn--full {
  width: 100%;
}

/* Icon button — square, icon only */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition:
    background-color var(--transition),
    color var(--transition),
    transform var(--duration-fast) var(--ease-default);
  flex-shrink: 0;
}

.btn-icon:hover {
  background-color: var(--color-bg-high);
  color: var(--color-text);
}

.btn-icon:disabled,
.btn-icon[aria-disabled="true"] {
  cursor: not-allowed;
  color: var(--color-text-muted);
  opacity: 0.55;
  transform: none;
}

.btn-icon:disabled:hover,
.btn-icon[aria-disabled="true"]:hover {
  background: none;
  color: var(--color-text-muted);
}

.btn-icon:active {
  transform: scale(0.92);
}

.btn-icon:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Icon button — primary filled variant */
.btn-icon--primary {
  background-color: var(--color-primary);
  color: var(--color-primary-text);
  box-shadow: var(--shadow-sm);
}

.btn-icon--primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-primary-text);
}

/* ============================================================
   2. CARDS
   ============================================================ */

.card {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

/* Flat card — no shadow, just border */
.card--flat {
  box-shadow: none;
  border: 1px solid var(--color-border-subtle);
}

/* Filled card — sunken background */
.card--filled {
  background-color: var(--color-bg-secondary);
  border: none;
  box-shadow: none;
}

/* Interactive card — hover effect */
.card--interactive {
  text-decoration: none;
  color: inherit;
  display: block;
  transition:
    box-shadow var(--duration-slow) var(--ease-default),
    transform var(--duration-slow) var(--ease-default),
    border-color var(--transition);
}

.card--interactive:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-border);
  opacity: 1;
}

.card__body {
  padding: var(--spacing-xl);
}

.card__body--sm {
  padding: var(--spacing-lg);
}

/* ============================================================
   3. PASSWORD DISPLAY
   ============================================================ */

.password-display {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  min-height: 72px;
}

.password-display__text {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  letter-spacing: 0.06em;
  color: var(--color-text);
  word-break: break-all;
  flex: 1;
  line-height: 1.4;
  user-select: all;
  -webkit-user-select: all;
  cursor: text;
}

.password-display__text--empty {
  color: var(--color-text-secondary);
  font-style: italic;
}

.password-display__text--reported {
  color: var(--color-text-muted);
  opacity: 0.55;
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--color-text-muted);
  user-select: text;
  -webkit-user-select: text;
  cursor: default;
}

.passphrase-word {
  position: relative;
  display: inline-block;
  border-radius: var(--radius-sm);
  padding: 0 0.46em 0 0.08em;
  transition: background-color var(--transition), color var(--transition);
}

.passphrase-word:hover,
.passphrase-word:focus-within {
  background: var(--color-bg-secondary);
}

.passphrase-word__text {
  user-select: text;
  -webkit-user-select: text;
}

.passphrase-word__report {
  position: absolute;
  top: 0.05em;
  right: 0.02em;
  z-index: 1;
  width: 0.78rem;
  height: 0.78rem;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  opacity: 0.45;
  user-select: none;
  -webkit-user-select: none;
  transition: opacity var(--transition), color var(--transition), background-color var(--transition);
}

.passphrase-word:hover .passphrase-word__report,
.passphrase-word:focus-within .passphrase-word__report,
.passphrase-word__report:focus-visible {
  opacity: 1;
  color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.passphrase-word__report:disabled {
  cursor: default;
  opacity: 0;
  pointer-events: none;
}

.passphrase-separator {
  margin-left: -0.32em;
  opacity: 0.75;
  pointer-events: none;
}

.password-display__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-shrink: 0;
  margin-left: var(--spacing-md);
}

/* Copy feedback state */
.btn-icon--copied {
  color: var(--color-strength-4);
}

/* Passphrase gloss row (kanji / hanzi annotation under the romaji/pinyin) */
.passphrase-gloss {
  margin-top: var(--spacing-xs);
  padding: 0 var(--spacing-lg);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
  word-break: break-word;
  user-select: text;
}

.passphrase-gloss__sep {
  margin: 0 0.35em;
  opacity: 0.55;
}

.passphrase-report-status {
  min-height: 1.4em;
  margin-top: var(--spacing-xs);
  padding: 0 var(--spacing-lg);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.passphrase-report-hint {
  margin: 0;
  padding: 0 var(--spacing-lg);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

.bulk-gloss {
  display: block;
  margin-top: 2px;
  font-size: 0.8em;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

/* ============================================================
   4. STRENGTH BAR
   ============================================================ */

.strength-bar-wrap {
  padding-inline: var(--spacing-xs);
}

.strength-bar__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  gap: var(--spacing-sm);
}

.strength-bar__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.strength-bar__bits {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-secondary);
  margin-left: var(--spacing-sm);
}

.strength-bar__time {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* 5-segment bar */
.strength-bar {
  height: 6px;
  width: 100%;
  display: flex;
  gap: 3px;
  border-radius: var(--radius-full);
  overflow: hidden;
}

/* Each segment */
.strength-bar__seg {
  flex: 1;
  height: 100%;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-highest);
  transition: background-color var(--duration-slow) var(--ease-default);
}

/* Filled states — applied via JS by adding data-strength="N" to .strength-bar */
.strength-bar[role="meter"][aria-valuenow="1"] .strength-bar__seg:nth-child(1) {
  background-color: var(--color-strength-1);
}

.strength-bar[role="meter"][aria-valuenow="2"] .strength-bar__seg:nth-child(-n+2) {
  background-color: var(--color-strength-2);
}

.strength-bar[role="meter"][aria-valuenow="3"] .strength-bar__seg:nth-child(-n+3) {
  background-color: var(--color-strength-3);
}

.strength-bar[role="meter"][aria-valuenow="4"] .strength-bar__seg:nth-child(-n+4) {
  background-color: var(--color-strength-4);
}

.strength-bar[role="meter"][aria-valuenow="5"] .strength-bar__seg {
  background-color: var(--color-strength-5);
}

/* Strength label color helpers — text uses AA-compliant -text tokens */
.strength-label--1 { color: var(--color-strength-1-text); }
.strength-label--2 { color: var(--color-strength-2-text); }
.strength-label--3 { color: var(--color-strength-3-text); }
.strength-label--4 { color: var(--color-strength-4-text); }
.strength-label--5 { color: var(--color-strength-5-text); }

/* ============================================================
   5. TOGGLE SWITCH (role="switch")
   ============================================================ */

/* Wrapping label */
.toggle-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: border-color var(--transition);
  gap: var(--spacing-md);
  user-select: none;
  -webkit-user-select: none;
}

.toggle-item:hover {
  border-color: var(--color-border-medium);
}

.toggle-item__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  flex: 1;
}

/* Hidden native checkbox */
.toggle-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Custom toggle track */
.toggle-track {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 44px;
  height: 24px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-highest);
  flex-shrink: 0;
  transition: background-color var(--transition);
}

/* Custom toggle thumb */
.toggle-track::after {
  content: '';
  position: absolute;
  left: 2px;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.20);
  transition: transform var(--transition);
}

/* Checked state */
.toggle-input:checked + .toggle-track {
  background-color: var(--color-primary);
}

.toggle-input:checked + .toggle-track::after {
  transform: translateX(20px);
}

/* Focus ring on track (via sibling selector) */
.toggle-input:focus-visible + .toggle-track {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================================
   6. CHECKBOX (custom styled)
   ============================================================ */

.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

.checkbox-input {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-xs);
  border: 2px solid var(--color-border);
  background-color: var(--color-bg-elevated);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  transition: background-color var(--transition), border-color var(--transition);
}

.checkbox-input:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox-input:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 6px;
  height: 10px;
  border: 2px solid #ffffff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.checkbox-input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.checkbox-label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ============================================================
   7. RANGE SLIDER
   ============================================================ */

.range-slider {
  width: 100%;
  height: 6px;
  appearance: none;
  -webkit-appearance: none;
  background: var(--color-bg-highest);
  border-radius: var(--radius-full);
  cursor: pointer;
  accent-color: var(--color-primary);
  outline: none;
  transition: background var(--transition);
}

/* WebKit thumb */
.range-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.20);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-default),
              box-shadow var(--transition);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 8px rgba(0, 113, 227, 0.35);
}

/* Firefox thumb */
.range-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.20);
  cursor: pointer;
}

/* Firefox track */
.range-slider::-moz-range-track {
  background: var(--color-bg-highest);
  border-radius: var(--radius-full);
  height: 6px;
}

.range-slider:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ============================================================
   8. NUMBER INPUT
   ============================================================ */

.number-input {
  width: 64px;
  height: 40px;
  background-color: var(--color-bg-elevated);
  border: none;
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 700;
  font-size: var(--text-sm);
  color: var(--color-primary);
  cursor: text;
  transition: box-shadow var(--transition);
}

.number-input:focus {
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.35);
}

/* Hide spin buttons */
.number-input::-webkit-outer-spin-button,
.number-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.number-input[type=number] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* Neutral variant (for bulk count, not primary) */
.number-input--neutral {
  color: var(--color-text);
}

/* ============================================================
   9. SETTINGS PANEL
   ============================================================ */

.settings-panel {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.settings-panel--passphrase {
  padding: var(--spacing-lg);
}

.settings-panel__section {
  padding-bottom: var(--spacing-xl);
}

.settings-panel__section + .settings-panel__section {
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border-medium);
}

.settings-panel--passphrase .settings-panel__section {
  padding-bottom: var(--spacing-lg);
}

.settings-panel--passphrase .settings-panel__section + .settings-panel__section {
  padding-top: var(--spacing-lg);
}

.settings-panel__label {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  display: block;
  margin-bottom: var(--spacing-md);
}

/* Length row */
.settings-length {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.settings-length__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Toggle grid */
.toggle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

@media (max-width: 600px) {
  .toggle-grid {
    grid-template-columns: 1fr;
  }
}

/* Extra options row */
.settings-extra {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Expandable help text */
.help-text {
  display: none;
  margin-left: calc(18px + var(--spacing-sm));
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.help-text.is-visible {
  display: block;
}

/* Symbol panel toggle row */
.symbol-toggle-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.symbol-toggle {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  color: var(--color-primary);
  font-weight: 600;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  transition: opacity var(--transition);
}

.symbol-toggle:hover {
  opacity: 0.75;
}

/* ============================================================
   10. HISTORY PANEL
   ============================================================ */

.history-panel {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  padding: var(--spacing-xl);
}

.history-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.history-panel__title {
  font-size: var(--text-base);
  font-weight: 700;
}

.history-panel__list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  list-style: none;
}

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  gap: var(--spacing-md);
}

.history-item__pw {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-item__meta {
  font-size: var(--text-xs);
  color: var(--color-border);
  white-space: nowrap;
  flex-shrink: 0;
}

.history-item__actions {
  display: flex;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

.history-item__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0 var(--spacing-sm);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  background: none;
  border: none;
  cursor: pointer;
  transition: opacity var(--transition);
}

.history-item__btn:hover {
  opacity: 0.7;
}

.history-item__btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.history-item__reported {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  max-width: 12em;
  color: var(--color-strength-2-text);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.2;
  text-align: right;
}

.history-panel__footer {
  margin-top: var(--spacing-md);
  font-size: var(--text-xs);
  color: var(--color-border);
  text-align: center;
  font-style: italic;
}

/* Custom scrollbar for history */
.history-panel__list {
  max-height: 240px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-bg-highest) transparent;
}

.history-panel__list::-webkit-scrollbar {
  width: 4px;
}

.history-panel__list::-webkit-scrollbar-track {
  background: transparent;
}

.history-panel__list::-webkit-scrollbar-thumb {
  background-color: var(--color-bg-highest);
  border-radius: var(--radius-full);
}

/* ============================================================
   11. FAQ ACCORDION (details/summary)
   ============================================================ */

.faq-section {
  margin-top: var(--spacing-2xl);
}

.faq-section__heading {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.faq-item {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(193, 198, 214, 0.10);
  overflow: hidden;
}

[data-theme="dark"] .faq-item {
  border-color: var(--color-border-subtle);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  cursor: pointer;
  font-weight: 700;
  color: var(--color-text);
  list-style: none;
  transition: background-color var(--transition);
  gap: var(--spacing-md);
}

.faq-item summary:hover {
  background-color: var(--color-bg-secondary);
}

/* Remove default marker */
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { display: none; }

/* Chevron icon */
.faq-chevron {
  flex-shrink: 0;
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  transition: transform var(--duration-default) var(--ease-default);
  display: inline-block;
}

.faq-item[open] .faq-chevron {
  transform: rotate(180deg);
}

.faq-item__body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.faq-item__body code {
  font-family: var(--font-mono);
  background-color: var(--color-bg-secondary);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.85em;
}

/* ============================================================
   12. RELATED TOOL CARDS
   ============================================================ */

.tool-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

@media (max-width: 600px) {
  .tool-cards {
    grid-template-columns: 1fr;
  }
}

.tool-card {
  display: block;
  text-decoration: none;
  color: inherit;
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  padding: var(--spacing-lg);
  transition:
    box-shadow var(--duration-slow) var(--ease-default),
    transform var(--duration-slow) var(--ease-default),
    border-color var(--transition);
}

.tool-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--color-border);
  opacity: 1;
}

.tool-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.tool-card__icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: var(--color-primary-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.tool-card__arrow {
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  transition: transform var(--transition);
}

.tool-card:hover .tool-card__arrow {
  transform: translateX(4px);
}

.tool-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.tool-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ============================================================
   13. COOKIE CONSENT BANNER
   ============================================================ */

.cookie-banner {
  position: fixed;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-width: 480px;
}

[data-theme="dark"] .cookie-banner {
  background: rgba(30, 31, 36, 0.90);
}

@media (min-width: 768px) {
  .cookie-banner {
    left: auto;
    right: var(--spacing-xl);
    bottom: var(--spacing-xl);
  }
}

.cookie-banner.is-hidden {
  display: none;
}

.cookie-banner__top {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
}

.cookie-banner__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary);
  font-size: 1.25rem;
}

.cookie-banner__title {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: 4px;
}

.cookie-banner__body {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.cookie-banner__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* ============================================================
   14. LANGUAGE SUGGESTION BANNER
   ============================================================ */

.lang-banner {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  z-index: 49;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-primary);
  color: #fff;
  font-size: var(--text-sm);
  text-align: center;
}

.lang-banner-link {
  color: #fff;
  text-decoration: underline;
  font-weight: 600;
}

.lang-banner-link:hover {
  opacity: 0.85;
}

.lang-banner-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0 var(--spacing-xs);
  line-height: 1;
  opacity: 0.8;
}

.lang-banner-close:hover {
  opacity: 1;
}

/* ============================================================
   15. TOOLTIP
   ============================================================ */

.tooltip-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.tooltip-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: var(--color-border);
  cursor: help;
  background: none;
  border: none;
  padding: 0;
  transition: color var(--transition);
  font-size: 1rem;
}

.tooltip-trigger:hover {
  color: var(--color-primary);
}

.tooltip-trigger:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.tooltip-bubble {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-text);
  color: var(--color-bg);
  font-size: var(--text-xs);
  line-height: 1.5;
  padding: 6px var(--spacing-sm);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  max-width: 240px;
  white-space: normal;
  text-align: center;
  z-index: 10;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-fast) var(--ease-default),
              visibility var(--duration-fast) var(--ease-default);
}

.tooltip-bubble::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: var(--color-text);
}

.tooltip-trigger:hover + .tooltip-bubble,
.tooltip-trigger:focus + .tooltip-bubble {
  opacity: 1;
  visibility: visible;
}

/* ============================================================
   15. WARNING / INLINE ALERT
   ============================================================ */

.warning-inline {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: rgba(255, 204, 0, 0.12);
  border: 1px solid rgba(255, 204, 0, 0.35);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: #7a5c00;
  line-height: 1.5;
}

[data-theme="dark"] .warning-inline {
  background-color: rgba(255, 204, 0, 0.08);
  color: #e8c44a;
}

.warning-inline__icon {
  font-size: 1rem;
  color: var(--color-strength-3);
  flex-shrink: 0;
}

.warning-inline.is-hidden {
  display: none;
}

/* Error variant */
.warning-inline--error {
  background-color: rgba(186, 26, 26, 0.08);
  border-color: rgba(186, 26, 26, 0.25);
  color: var(--color-error);
}

.warning-inline--error .warning-inline__icon {
  color: var(--color-error);
}

/* ============================================================
   16. BULK GENERATION TABLE
   ============================================================ */

.bulk-table-wrap {
  max-height: 320px;
  overflow-y: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-medium);
  scrollbar-width: thin;
  scrollbar-color: var(--color-bg-highest) transparent;
}

.bulk-table-wrap::-webkit-scrollbar {
  width: 4px;
}

.bulk-table-wrap::-webkit-scrollbar-thumb {
  background-color: var(--color-bg-highest);
  border-radius: var(--radius-full);
}

.bulk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.bulk-table th {
  position: sticky;
  top: 0;
  background-color: var(--color-bg-secondary);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.bulk-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-subtle);
  font-family: var(--font-mono);
  color: var(--color-text);
}

.bulk-table tr:last-child td {
  border-bottom: none;
}

.bulk-table tr:hover td {
  background-color: var(--color-bg-secondary);
}

.bulk-table__row--reported td {
  color: var(--color-text-muted);
  opacity: 0.65;
}

.bulk-table__row--reported td:nth-child(2) {
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.bulk-table__reported {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  color: var(--color-strength-2-text);
  font-family: var(--font-base);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.2;
  max-width: 12em;
}

.bulk-table__num {
  color: var(--color-text-secondary);
  font-family: var(--font-base);
  width: 40px;
}

/* ============================================================
   17. SECURITY BADGE
   ============================================================ */

.security-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-md);
  line-height: 1.4;
}

.security-badge__icon {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

/* ============================================================
   19. THEME TOGGLE BUTTON
   ============================================================ */

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: background-color var(--transition), color var(--transition);
  font-size: 1.25rem;
}

.theme-toggle:hover {
  background-color: var(--color-bg-secondary);
  color: var(--color-text);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================================
   20. PASSWORD GENERATOR PAGE — index.html specific
   ============================================================ */

/* Main generator card */
.gen-card {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
}

/* Section spacing within main */
.gen-sections {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Preset bar */
.preset-bar {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.preset-btn {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 6px var(--spacing-md);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background-color: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.preset-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
}

.preset-btn--active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-text);
}

.preset-btn--active:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-primary-text);
}

/* Symbol panel (expandable) */
.symbol-panel {
  display: none;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-xs);
}

.symbol-panel.is-open {
  display: grid;
}

@media (max-width: 480px) {
  .symbol-panel {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   21. CHECKER PAGE — checker.html specific
   ============================================================ */

.checker-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.checker-input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  padding-right: 52px; /* room for eye toggle */
  background-color: var(--color-bg-elevated);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition);
  letter-spacing: 0.05em;
}

.checker-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.checker-input__eye {
  position: absolute;
  right: var(--spacing-md);
  color: var(--color-text-secondary);
}

/* Pattern list */
.pattern-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.pattern-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) 0;
}

.pattern-item__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.pattern-item--warn .pattern-item__icon {
  color: var(--color-strength-2-text);
}

.pattern-item--danger .pattern-item__icon {
  color: var(--color-strength-1-text);
}

.pattern-item--ok .pattern-item__icon {
  color: var(--color-strength-4-text);
}

/* Checker detail checklist */
.checker-detail {
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  padding: var(--spacing-xl);
}

.checker-detail__heading {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
}

.checker-detail__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.checker-detail__row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition);
}

.checker-detail__row--pass {
  color: var(--color-text);
}

.checker-detail__row--fail {
  color: var(--color-text-secondary);
}

.checker-detail__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Checker suggestions */
.checker-suggestions {
  background-color: rgba(255, 204, 0, 0.08);
  border: 1px solid rgba(255, 204, 0, 0.25);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

[data-theme="dark"] .checker-suggestions {
  background-color: rgba(255, 204, 0, 0.05);
  border-color: rgba(255, 204, 0, 0.15);
}

.checker-suggestions__heading {
  font-size: var(--text-base);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: #7a5c00;
}

[data-theme="dark"] .checker-suggestions__heading {
  color: #e8c44a;
}

.checker-suggestions__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.checker-suggestions__item {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  padding-left: var(--spacing-lg);
  position: relative;
  line-height: 1.6;
}

.checker-suggestions__item::before {
  content: '';
  position: absolute;
  left: var(--spacing-sm);
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-strength-2);
}

/* Checker CTA */
.checker-cta {
  text-align: center;
  padding: var(--spacing-lg) 0;
}

.checker-cta .btn {
  font-size: var(--text-base);
  padding: var(--spacing-md) var(--spacing-xl);
}

/* Checker crack time display */
.checker-crack-time {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.checker-crack-time__label {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.checker-crack-time__value {
  display: block;
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
}

/* ============================================================
   22. PASSPHRASE PAGE — passphrase.html specific
   ============================================================ */

.passphrase-display {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.5vw, 1.375rem);
  word-spacing: 0.25em;
  letter-spacing: 0.02em;
  color: var(--color-text);
  line-height: 1.5;
  word-break: break-word;
}

.passphrase-sep {
  color: var(--color-text-secondary);
  opacity: 0.6;
}

/* ============================================================
   23. ANIMATIONS
   ============================================================ */

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes copy-flash {
  0%   { background-color: var(--color-primary); }
  50%  { background-color: var(--color-strength-4); }
  100% { background-color: var(--color-primary); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.animate-fade-in {
  animation: fade-in var(--duration-default) var(--ease-default) both;
}

.animate-spin {
  animation: spin 0.5s linear;
}

/* Refresh button spin on generation */
.btn-icon--spinning .material-symbols-outlined,
.btn-icon--spinning svg {
  animation: spin 0.45s linear;
}

/* ============================================================
   24. PREFERS-REDUCED-MOTION overrides
   ============================================================ */

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

  .tool-card:hover,
  .card--interactive:hover {
    transform: none;
  }
}

/* ============================================================
   25. PRIVACY POLICY PAGE
   ============================================================ */

.privacy-hero {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
}

.privacy-hero h1 {
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
}

.privacy-lead {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 72ch;
  line-height: 1.7;
  margin-bottom: var(--spacing-xs);
}

.privacy-updated {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.privacy-section {
  margin-bottom: var(--spacing-lg);
}

.privacy-section h2 {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

.privacy-section p,
.privacy-section li {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--spacing-sm);
}

.privacy-section ul {
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

.privacy-section li {
  margin-bottom: var(--spacing-xs);
}

.privacy-section code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-surface-raised);
  color: var(--color-text-primary);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

.privacy-link {
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--text-base);
  display: inline-block;
  margin-top: var(--spacing-xs);
  transition: color var(--transition), text-decoration-color var(--transition);
}

.privacy-link:hover,
.privacy-link:focus-visible {
  text-decoration: underline;
}

.privacy-optout-list {
  list-style: none;
  padding-left: 0;
}

.privacy-optout-list li {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-surface-raised);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-sm);
}

/* External transmission disclosure table */
.privacy-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-md) 0;
  font-size: var(--text-base);
}

.privacy-table th,
.privacy-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  text-align: left;
  line-height: 1.6;
}

.privacy-table thead th {
  background-color: var(--color-surface-raised);
  font-weight: 600;
  color: var(--color-text-primary);
}

.privacy-table tbody th {
  background-color: var(--color-surface-raised);
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
  width: 30%;
}

.privacy-table tbody td {
  color: var(--color-text-secondary);
}

/* Consent reset area */
.privacy-consent-reset {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-surface-raised);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.privacy-consent-reset p {
  margin-bottom: var(--spacing-sm);
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .privacy-hero h1 {
    font-size: var(--text-2xl);
  }

  .privacy-lead {
    font-size: var(--text-base);
  }

  .privacy-table tbody th {
    width: auto;
    white-space: normal;
  }

  .privacy-table th,
  .privacy-table td {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--text-sm);
  }
}

/* ======================================================================
   USERNAME PAGE
   ====================================================================== */

/* Style selector — row of style buttons */
.style-selector {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.style-selector__btn {
  background-color: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition:
    background-color var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.style-selector__btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
}

.style-selector__btn--active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-text);
}

.style-selector__btn--active:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: var(--color-primary-text);
}

/* Username results list */
.username-results {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-subtle);
}

.username-results__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  gap: var(--spacing-md);
  background-color: var(--color-bg-elevated);
  transition: background-color var(--transition);
}

.username-results__item:nth-child(even) {
  background-color: var(--color-bg-secondary);
}

.username-results__item:hover {
  background-color: var(--color-bg-high);
}

.username-results__text {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  color: var(--color-text);
  word-break: break-all;
  flex: 1;
  user-select: all;
  -webkit-user-select: all;
  cursor: text;
}

.username-results__copy {
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .style-selector {
    flex-direction: column;
  }

  .style-selector__btn {
    width: 100%;
  }
}

/* ======================================================================
   TIPS PAGE
   ====================================================================== */

.tips-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.tip-article {
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid var(--color-border-subtle);
}

.tip-article:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.tip-article h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}

.tip-article p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--spacing-md);
}

.tip-article p:last-of-type {
  margin-bottom: var(--spacing-lg);
}

.tip-article .btn {
  margin-top: var(--spacing-sm);
}

.tip-article code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-bg-secondary);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
}

.tip-article strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ======================================================================
   ARTICLE PAGE (content/articles/{lang}/*.md → {lang}/articles/*.html)
   ====================================================================== */

.article-page {
  max-width: 760px;
}

.article-index-page {
  max-width: 1024px;
}

/* Breadcrumb */
.breadcrumb {
  margin: var(--spacing-lg) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.breadcrumb__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  align-items: center;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "›";
  margin: 0 var(--spacing-xs);
  color: var(--color-text-tertiary);
}

.breadcrumb__item a {
  color: var(--color-text-secondary);
  text-decoration: none;
}

.breadcrumb__item a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.breadcrumb__item--current {
  color: var(--color-text);
  font-weight: 500;
}

/* Article Hero */
.article-hero {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-subtle);
}

.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: center;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.article-hero__category {
  display: inline-block;
  padding: 2px 10px;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-pill, 999px);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-xs);
}

.article-hero__date,
.article-hero__reading-time {
  color: var(--color-text-tertiary);
}

.article-hero__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  margin: 0 0 var(--spacing-md) 0;
}

.article-hero__lede {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* TOC */
.toc {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.toc__heading {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--spacing-md) 0;
}

.toc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: toc-counter;
}

.toc__list li {
  counter-increment: toc-counter;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px dashed var(--color-border-subtle);
}

.toc__list li:last-child { border-bottom: none; }

.toc__list li::before {
  content: counter(toc-counter) ".";
  display: inline-block;
  min-width: 28px;
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
}

.toc__sub {
  padding-left: var(--spacing-lg) !important;
  font-size: var(--text-sm);
}

.toc__sub::before { content: "" !important; min-width: 0 !important; }

.toc a {
  color: var(--color-text);
  text-decoration: none;
}

.toc a:hover { color: var(--color-primary); text-decoration: underline; }

/* Article Body */
.article-body {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.article-body h2 {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin: var(--spacing-2xl) 0 var(--spacing-md) 0;
  padding-top: var(--spacing-md);
  scroll-margin-top: var(--spacing-2xl);
}

.article-body h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin: var(--spacing-xl) 0 var(--spacing-sm) 0;
  scroll-margin-top: var(--spacing-2xl);
}

.article-body h4 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.article-body p {
  margin: 0 0 var(--spacing-md) 0;
}

.article-body strong { color: var(--color-text); font-weight: 600; }
.article-body em { font-style: italic; }
.article-body del { color: var(--color-text-tertiary); }

.article-body a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-body a:hover { text-decoration: none; }

.article-body ul,
.article-body ol {
  margin: 0 0 var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.article-body li {
  margin-bottom: var(--spacing-xs);
}

.article-body .task-list-item {
  list-style: none;
  margin-left: -1.5em;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-bg-secondary);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  color: var(--color-text);
}

.article-body pre {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  overflow-x: auto;
  margin: 0 0 var(--spacing-md) 0;
  font-size: var(--text-sm);
  line-height: 1.6;
}

.article-body pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

.article-body blockquote {
  border-left: 3px solid var(--color-primary);
  background-color: var(--color-bg-secondary);
  margin: 0 0 var(--spacing-md) 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-secondary);
}

.article-body blockquote p:last-child { margin-bottom: 0; }

.article-body hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--spacing-xl) 0;
}

.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--spacing-md) 0;
}

.article-body .table-wrap {
  overflow-x: auto;
  margin: 0 0 var(--spacing-md) 0;
}

.article-body .article-table {
  border-collapse: collapse;
  width: 100%;
  font-size: var(--text-sm);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.article-body .article-table th,
.article-body .article-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border-subtle);
}

.article-body .article-table th {
  background-color: var(--color-bg-secondary);
  font-weight: 700;
  color: var(--color-text);
}

.article-body .article-table tr:last-child td { border-bottom: none; }

.article-body .footnotes {
  margin-top: var(--spacing-2xl);
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.article-body .footnote-ref {
  font-size: 0.75em;
}

.article-body .footnote-back {
  margin-left: 4px;
  text-decoration: none;
}

/* Related Sections */
.related-section {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border-subtle);
}

.related-section__heading {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--spacing-md) 0;
}

/* Article Cards (related + index) */
.article-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.article-card {
  display: block;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--transition), transform var(--duration-fast) var(--ease-default);
}

.article-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.article-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.article-card__category {
  display: inline-block;
  padding: 2px 8px;
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-pill, 999px);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-xs);
}

.article-card__date {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.article-card__title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin: var(--spacing-xs) 0;
  line-height: 1.4;
}

.article-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

.article-cards--index {
  margin-top: var(--spacing-xl);
}

.article-index__empty {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-tertiary);
}

/* Tips page callout to articles index */
.articles-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.articles-callout__body {
  flex: 1 1 300px;
}

.articles-callout__heading {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 var(--spacing-xs) 0;
}

.articles-callout__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ============================================================
   25. QR CODE MODAL
   ============================================================ */
.qr-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.qr-modal[aria-hidden="true"] {
  display: none;
}

.qr-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}

.qr-modal__content {
  position: relative;
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-lg);
  max-width: 360px;
  width: 100%;
  max-height: calc(100vh - 2 * var(--spacing-md));
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.qr-modal__title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin: 0;
  padding-right: var(--spacing-xl);
}

.qr-modal__close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  line-height: 1;
}

.qr-modal__close:hover {
  background: var(--color-bg-high);
  color: var(--color-text);
}

.qr-modal__close:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.qr-modal__code {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  min-height: 240px;
}

.qr-modal__code svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 260px;
}

.qr-modal__warning {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  background: var(--color-bg-secondary);
  border-left: 3px solid var(--color-strength-2);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

.qr-modal__warning-icon {
  flex-shrink: 0;
  color: var(--color-strength-2);
}

[data-theme="dark"] .qr-modal__code {
  /* Keep QR background white for maximum scanner compatibility */
  background: #ffffff;
}

/* Keep body scroll locked while modal is open */
body.is-modal-open {
  overflow: hidden;
}

/* ============================================================
   26. PWA INSTALL BANNER
   ============================================================ */
.pwa-install-banner {
  position: fixed;
  z-index: 9990;
  left: 50%;
  bottom: var(--spacing-md);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: var(--color-bg-elevated);
  color: var(--color-text);
  border: 1px solid var(--color-border-medium);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: calc(100vw - 2 * var(--spacing-md));
  width: 420px;
}

.pwa-install-banner__body {
  flex: 1;
  min-width: 0;
}

.pwa-install-banner__title {
  margin: 0;
  font-size: var(--text-sm);
  font-weight: 600;
}

.pwa-install-banner__sub {
  margin: 2px 0 0;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.pwa-install-banner__actions {
  display: flex;
  gap: var(--spacing-xs);
  flex-shrink: 0;
}

@media (max-width: 520px) {
  .pwa-install-banner {
    width: auto;
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    bottom: var(--spacing-sm);
    transform: none;
    flex-direction: column;
    align-items: stretch;
  }
  .pwa-install-banner__actions {
    justify-content: flex-end;
  }
}

/* ============================================================
   26. HIBP PANEL — breach-check (opt-in) on checker.html
   ============================================================ */

.hibp-panel {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-lg);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.hibp-panel__title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
}

.hibp-panel__icon {
  color: var(--color-primary);
  flex-shrink: 0;
}

.hibp-warning {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: rgba(255, 204, 0, 0.10);
  border: 1px solid rgba(255, 149, 0, 0.45);
  border-left: 4px solid var(--color-strength-2);
  border-radius: var(--radius-md);
}

[data-theme="dark"] .hibp-warning {
  background-color: rgba(255, 204, 0, 0.08);
  border-color: rgba(255, 149, 0, 0.55);
}

.hibp-warning__icon {
  color: var(--color-strength-2);
  flex-shrink: 0;
  line-height: 1;
  padding-top: 2px;
}

.hibp-warning__body {
  flex: 1;
  min-width: 0;
}

.hibp-warning__title {
  margin: 0 0 var(--spacing-xs);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.hibp-warning__list {
  list-style: disc;
  margin: 0;
  padding-left: var(--spacing-lg);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.hibp-warning__list li {
  margin: 2px 0;
}

.hibp-warning__list code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-bg-secondary);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  color: var(--color-text);
  word-break: break-all;
}

.hibp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.hibp-btn {
  min-width: 240px;
}

.hibp-btn[disabled],
.hibp-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.hibp-result {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  line-height: 1.5;
  word-break: break-word;
}

.hibp-result[hidden] {
  display: none;
}

.hibp-result--checking {
  background-color: var(--color-bg-secondary);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-subtle);
}

.hibp-result--safe {
  background-color: rgba(52, 199, 89, 0.10);
  border: 1px solid rgba(52, 199, 89, 0.40);
  color: var(--color-text);
  font-weight: 500;
}

[data-theme="dark"] .hibp-result--safe {
  background-color: rgba(52, 199, 89, 0.12);
}

.hibp-result--pwned {
  background-color: rgba(255, 59, 48, 0.10);
  border: 1px solid rgba(255, 59, 48, 0.45);
  color: var(--color-text);
  font-weight: 600;
}

[data-theme="dark"] .hibp-result--pwned {
  background-color: rgba(255, 107, 107, 0.12);
}

.hibp-result--error {
  background-color: var(--color-error-bg);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  font-weight: 500;
}

.hibp-spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .hibp-btn {
    min-width: 0;
    width: 100%;
  }
}

/* =========================================================================
   Diceware Category Selector (passphrase.html, Japanese only)
   ========================================================================= */
.diceware-category-section[hidden] { display: none; }

.diceware-category-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xs);
}

.diceware-category-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 6px 12px;
  border: 1px solid var(--color-border, #d2d2d7);
  border-radius: var(--radius-full);
  background: var(--color-surface, #fff);
  font-size: var(--text-sm);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.diceware-category-chip:hover {
  border-color: var(--color-primary);
}

.diceware-category-chip__input {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.diceware-category-chip__input:checked ~ .diceware-category-chip__body {
  color: var(--color-primary);
  font-weight: 500;
}

.diceware-category-chip:has(.diceware-category-chip__input:checked) {
  border-color: var(--color-primary);
  background: var(--color-primary-subtle);
}

.diceware-category-chip__body {
  display: inline-flex;
  align-items: center;
}

.diceware-category-warn {
  margin: var(--spacing-sm) 0 0;
  font-size: var(--text-sm);
  color: var(--color-danger, #d70015);
}

@media (max-width: 480px) {
  .diceware-category-group {
    flex-direction: column;
    align-items: stretch;
  }
  .diceware-category-chip {
    justify-content: flex-start;
  }
}
