/* ============================================
   Crypta Password Generator - Main Styles
   Nord palette (dark) + Frost blue accent, compact layout
   ============================================ */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input {
  font-family: inherit;
  font-size: inherit;
}

/* App container - narrower, tighter padding */
.app {
  max-width: 580px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-4) var(--space-5);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Minimal top bar (sign-in only) */
.top-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-height: 32px;
  margin-bottom: var(--space-3);
}

.auth-slot {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* Main content - tighter gaps so everything fits on one screen */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Tagline */
.tagline {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin: 0 0 var(--space-2);
  letter-spacing: 0.01em;
}

/* Cards - slimmer padding */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Password display area */
.password-display {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.password-text {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  word-break: break-all;
  min-height: 48px;
  display: flex;
  align-items: center;
  letter-spacing: 0.02em;
  transition: border-color var(--transition);
  line-height: 1.4;
}

.password-text.placeholder {
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  justify-content: center;
}

.copy-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  min-width: 48px;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition);
}

.copy-btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

.copy-btn:active:not(:disabled) {
  transform: scale(0.96);
}

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

.copy-btn.copied {
  background: var(--success);
}

/* Strength bar */
.strength-bar {
  height: 3px;
  background: var(--bg-sunken);
  border-radius: 2px;
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.4s ease;
}

/* Strength info */
.strength-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-secondary);
}

.strength-label {
  font-weight: 500;
}

.entropy-display {
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

/* Control group */
.control-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.control-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.value-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 10px;
  border-radius: var(--radius-full);
}

/* Slider */
.slider {
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 4px var(--accent-soft);
  transition: transform var(--transition);
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

.slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 0 0 4px var(--accent-soft);
}

/* Character set 2x2 grid - tighter padding so the card stays compact */
.char-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.char-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all var(--transition);
  user-select: none;
}

.char-item:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.char-item input[type="checkbox"] {
  accent-color: var(--accent);
  cursor: pointer;
  width: 15px;
  height: 15px;
  margin: 0;
  flex-shrink: 0;
}

.char-item:has(input:checked) {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--text-primary);
}

/* Inline checkbox row - tighter padding */
.checkbox-inline {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: all var(--transition);
}

.checkbox-inline:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.checkbox-inline input[type="checkbox"] {
  accent-color: var(--accent);
  cursor: pointer;
  width: 15px;
  height: 15px;
}

/* Regenerate row - sits right after the Exclude row, no extra padding */
.regenerate-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: 0;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: background-color var(--transition);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-primary:active {
  transform: scale(0.97);
}

.hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* Sign-in button / user menu */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-1) var(--space-3);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-ghost:hover {
  background: var(--bg-surface);
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.google-g {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.user-menu {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 2px var(--space-2) 2px 2px;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  background: var(--bg-surface);
}

.user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-sunken);
}

.user-name {
  font-size: 12px;
  color: var(--text-secondary);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-ghost-small {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-ghost-small:hover {
  background: var(--bg-sunken);
  color: var(--text-primary);
}

/* Force [hidden] to win over display: flex/inline-flex */
[hidden] {
  display: none !important;
}

/* Responsive */
@media (max-width: 600px) {
  .app {
    padding: var(--space-3);
  }

  .card {
    padding: var(--space-3);
  }

  .password-text {
    font-size: 15px;
    padding: var(--space-3);
  }

  .copy-btn {
    min-width: 44px;
    min-height: 44px;
  }

  .char-grid {
    grid-template-columns: 1fr;
  }

  .user-name {
    display: none;
  }
}

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


/* Privacy info card */
.info-card {
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.info-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.4;
}

.info-icon {
  flex-shrink: 0;
  font-size: 14px;
  line-height: 1;
}

/* Footer */
.app-footer {
  text-align: center;
  padding: var(--space-3) 0 var(--space-2);
  font-size: 11px;
  color: var(--text-subtle);
}

.app-footer p {
  margin: 0;
}

/* Focus visibility */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}