/* ============================================
   Fadelock Website — styles.css
   Dark theme matching the mobile app branding
   ============================================ */

:root {
  --bg: #0D0F14;
  --bg-surface: #1A1D24;
  --bg-elevated: #22262E;
  --fg: #E8ECF0;
  --fg-muted: #8B95A3;
  --primary: #4A90FF;
  --primary-hover: #3A7FEE;
  --border: #2A2F38;
  --success: #34D399;
  --warning: #FBBF24;
  --error: #F87171;
  --accent: #A78BFA;
  --cyan: #22D3EE;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --transition: 0.2s ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

/* ============================================
   Header
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 15, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header-links {
  display: flex;
  gap: 8px;
}

.store-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition);
}

.apple-btn {
  background: #fff;
  color: #000;
}

.apple-btn:hover {
  background: #e5e5e5;
  transform: translateY(-1px);
}

.google-btn {
  background: var(--primary);
  color: #fff;
}

.google-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

/* ============================================
   Ad Slots
   ============================================ */

.ad-slot {
  display: flex;
  justify-content: center;
  padding: 8px 20px;
}

.ad-slot-top {
  padding-top: 12px;
}

.ad-slot-bottom {
  padding-bottom: 12px;
}

.ad-slot-sidebar {
  display: none;
  flex-shrink: 0;
  align-self: flex-start;
  position: sticky;
  top: 80px;
  width: 160px;
}

.ad-slot-middle {
  display: block;
  padding: 16px 0;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding: 60px 20px 40px;
  text-align: center;
}

.hero-inner {
  max-width: 640px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(74, 144, 255, 0.1);
  border: 1px solid rgba(74, 144, 255, 0.2);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 16px;
}

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

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto 32px;
}

.hero-store-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-store-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: var(--fg);
  text-decoration: none;
  transition: all var(--transition);
}

.hero-store-btn:hover {
  border-color: var(--primary);
  background: rgba(74, 144, 255, 0.08);
  transform: translateY(-1px);
}

.hero-store-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.hero-store-small {
  font-size: 0.6875rem;
  color: var(--fg-muted);
  line-height: 1.2;
}

.hero-store-name {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.3;
}

/* ============================================
   Main Content
   ============================================ */

.main {
  flex: 1;
  padding: 0 20px 40px;
}

.content-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  gap: 24px;
  justify-content: center;
}

.generator-section {
  flex: 1;
  max-width: 520px;
  min-width: 0;
}

.section-label {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  margin-bottom: 16px;
  text-transform: uppercase;
}

/* ============================================
   Generator Card
   ============================================ */

.generator-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

/* Password Display */

.password-display {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  margin-bottom: 8px;
  overflow: hidden;
}

.password-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--fg-muted);
  font-size: 0.875rem;
  text-align: center;
}

.lock-icon {
  opacity: 0.3;
}

.password-value-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.password-value {
  flex: 1;
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  word-break: break-all;
  color: var(--primary);
  text-align: center;
  user-select: all;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.copy-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 8px;
  cursor: pointer;
  color: var(--fg-muted);
  transition: all var(--transition);
  flex-shrink: 0;
}

.copy-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: rgba(74, 144, 255, 0.1);
}

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

.copy-toast {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--success);
  color: #000;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.copy-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Timer Bar */

.timer-bar-container {
  position: relative;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  margin-bottom: 16px;
  overflow: hidden;
}

.timer-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 3px;
  width: 100%;
  transition: width 0.1s linear;
}

.timer-text {
  position: absolute;
  right: 0;
  top: 12px;
  font-size: 0.75rem;
  color: var(--fg-muted);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Strength Indicator */

.strength-row {
  margin-bottom: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.strength-row.visible {
  opacity: 1;
}

.strength-bar-bg {
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 6px;
}

.strength-bar-fill {
  height: 100%;
  border-radius: 2px;
  width: 0%;
  transition: width 0.4s ease, background-color 0.4s ease;
}

.strength-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.strength-label {
  font-size: 0.75rem;
  font-weight: 600;
}

.crack-time {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* Controls */

.control-group {
  margin-bottom: 20px;
}

.control-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.control-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--fg);
}

.length-value {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.length-note {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* Range Slider */

.length-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.length-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid var(--bg-surface);
  box-shadow: 0 2px 8px rgba(74, 144, 255, 0.3);
  transition: transform var(--transition);
}

.length-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.length-slider::-moz-range-thumb {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 3px solid var(--bg-surface);
  box-shadow: 0 2px 8px rgba(74, 144, 255, 0.3);
}

/* Toggle Chips */

.toggle-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.toggle-chip {
  padding: 12px 4px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg-muted);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: 'SF Mono', 'Fira Code', monospace;
  text-align: center;
}

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

.toggle-chip.active {
  background: rgba(74, 144, 255, 0.12);
  border-color: var(--primary);
  color: var(--primary);
}

.toggle-chip:active {
  transform: scale(0.95);
}

/* Strength Preview */

.strength-preview {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding: 0 2px;
}

.strength-preview-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--warning);
}

.strength-preview-time {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

/* Generate Button */

.generate-area {
  margin-top: 4px;
}

.generate-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius-sm);
  border: none;
  background: linear-gradient(135deg, var(--primary), #6366F1);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font);
  letter-spacing: -0.01em;
}

.generate-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(74, 144, 255, 0.3);
}

.generate-btn:active {
  transform: scale(0.98);
}

.generate-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Cooldown Display */

.cooldown-display {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: var(--radius-sm);
}

.cooldown-icon {
  color: var(--warning);
  flex-shrink: 0;
}

.cooldown-info {
  display: flex;
  flex-direction: column;
}

.cooldown-label {
  font-size: 0.75rem;
  color: var(--fg-muted);
}

.cooldown-timer {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--warning);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}

/* ============================================
   Features Section
   ============================================ */

.features-section {
  padding: 60px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color var(--transition);
}

.feature-card:hover {
  border-color: var(--primary);
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.feature-icon-blue { background: rgba(74, 144, 255, 0.12); color: var(--primary); }
.feature-icon-green { background: rgba(52, 211, 153, 0.12); color: var(--success); }
.feature-icon-purple { background: rgba(167, 139, 250, 0.12); color: var(--accent); }
.feature-icon-yellow { background: rgba(251, 191, 36, 0.12); color: var(--warning); }
.feature-icon-red { background: rgba(248, 113, 113, 0.12); color: var(--error); }
.feature-icon-cyan { background: rgba(34, 211, 238, 0.12); color: var(--cyan); }

/* ============================================
   Pricing Section
   ============================================ */

.pricing-section {
  padding: 60px 20px;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.pricing-table th,
.pricing-table td {
  padding: 14px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.pricing-table th {
  background: var(--bg-surface);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--fg-muted);
}

.pricing-feature-col {
  text-align: left !important;
  width: 30%;
}

.pricing-plan-col {
  width: 23.3%;
}

.pricing-highlight {
  color: var(--primary) !important;
}

.pricing-highlight-family {
  color: var(--success) !important;
}

.pricing-price {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.8;
  margin-top: 2px;
}

.pricing-table td {
  color: var(--fg-muted);
}

.pricing-table td:first-child {
  text-align: left;
  color: var(--fg);
  font-weight: 500;
}

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

.check-mark {
  color: var(--success);
  font-weight: 700;
  font-size: 1.125rem;
}

/* ============================================
   Final CTA
   ============================================ */

.final-cta {
  padding: 60px 20px;
  text-align: center;
}

.cta-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.cta-subtitle {
  font-size: 1rem;
  color: var(--fg-muted);
  margin-bottom: 28px;
}

.cta-buttons-final {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  border-top: 1px solid var(--border);
  padding: 24px 20px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.footer-logo {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--fg-muted);
  font-size: 0.8125rem;
  text-decoration: none;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--fg-muted);
  opacity: 0.6;
}

/* ============================================
   Desktop (>= 1024px)
   ============================================ */

@media (min-width: 1024px) {
  .ad-slot-sidebar {
    display: flex;
  }

  .ad-slot-middle {
    display: none;
  }

  .generator-card {
    padding: 36px 32px;
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   Tablet (768px - 1023px)
   ============================================ */

@media (min-width: 768px) and (max-width: 1023px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================
   Mobile (< 768px)
   ============================================ */

@media (max-width: 767px) {
  .header-inner {
    padding: 10px 16px;
  }

  .store-btn span {
    display: none;
  }

  .store-btn {
    padding: 8px;
  }

  .hero {
    padding: 40px 16px 24px;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-store-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-store-btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .main {
    padding: 0 16px 24px;
  }

  .generator-card {
    padding: 20px 16px;
    border-radius: 12px;
  }

  .password-value {
    font-size: 1.125rem;
  }

  .toggle-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
  }

  .features-section {
    padding: 40px 16px;
  }

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

  .section-title {
    font-size: 1.5rem;
  }

  .pricing-section {
    padding: 40px 16px;
  }

  .pricing-table th,
  .pricing-table td {
    padding: 10px 8px;
    font-size: 0.75rem;
  }

  .final-cta {
    padding: 40px 16px;
  }

  .cta-title {
    font-size: 1.5rem;
  }

  .cta-buttons-final {
    flex-direction: column;
    align-items: center;
  }

  .ad-slot-middle {
    display: block;
  }
}

/* ============================================
   Animations
   ============================================ */

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.generating {
  animation: pulse 0.6s ease-in-out;
}

/* Selection color */
::selection {
  background: rgba(74, 144, 255, 0.3);
  color: var(--fg);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--fg-muted);
}