/**
 * Advanced Password Generator & Security Studio Stylesheet
 * 100% Responsive, High-Contrast & Premium UI
 */

:root {
  --pass-primary: #0284c7;
  --pass-primary-hover: #0369a1;
  --pass-primary-light: #e0f2fe;
  --pass-accent: #10b981;
  --pass-accent-light: #d1fae5;
  --pass-warning: #f59e0b;
  --pass-warning-light: #fef3c7;
  --pass-danger: #ef4444;
  --pass-danger-light: #fee2e2;
  --pass-surface: #ffffff;
  --pass-bg: #f8fafc;
  --pass-border: #e2e8f0;
  --pass-text-dark: #0f172a;
  --pass-text-body: #334155;
  --pass-text-muted: #64748b;
  --pass-radius-xl: 16px;
  --pass-radius-lg: 12px;
  --pass-radius-md: 8px;
  --pass-radius-sm: 6px;
  --pass-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
}

/* Container */
.passgen-container {
  width: 100%;
  margin-bottom: 30px;
}

/* Hero Section */
.passgen-hero {
  text-align: center;
  padding: 30px 20px 25px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-xl);
  box-shadow: var(--pass-shadow);
  margin-bottom: 24px;
}

.passgen-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--pass-primary-light);
  color: var(--pass-primary-hover);
  font-size: 13px;
  font-weight: 700;
  border-radius: 50px;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.passgen-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--pass-text-dark);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.passgen-title-gradient {
  background: linear-gradient(135deg, #0284c7 0%, #0d9488 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.passgen-subtitle {
  font-size: 15px;
  color: var(--pass-text-body);
  max-width: 680px;
  margin: 0 auto 18px;
  line-height: 1.6;
}

.passgen-tags-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.passgen-tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: #ffffff;
  border: 1px solid var(--pass-border);
  border-radius: 50px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--pass-text-body);
}

/* Studio Main Card */
.passgen-card {
  background: #ffffff;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-xl);
  box-shadow: var(--pass-shadow);
  padding: 26px;
  margin-bottom: 30px;
}

/* Primary Password Display Screen */
.passgen-display-wrapper {
  position: relative;
  background: #0f172a;
  border-radius: var(--pass-radius-lg);
  padding: 16px 20px;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.4);
}

.passgen-output-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: #38bdf8;
  letter-spacing: 0.08em;
  word-break: break-all;
  user-select: all;
  flex: 1;
}

.passgen-output-text .char-num { color: #10b981; }
.passgen-output-text .char-sym { color: #f59e0b; }
.passgen-output-text .char-upper { color: #38bdf8; }
.passgen-output-text .char-lower { color: #f8fafc; }

.passgen-display-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.btn-pass-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--pass-radius-md);
  border: none;
  font-size: 17px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-pass-refresh {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.btn-pass-refresh:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(180deg);
}

.btn-pass-copy {
  background: var(--pass-primary);
  color: #ffffff;
}

.btn-pass-copy:hover {
  background: var(--pass-primary-hover);
  transform: scale(1.05);
}

.btn-pass-copy.copied {
  background: var(--pass-accent) !important;
}

/* Strength & Entropy Meter Bar */
.passgen-meter-box {
  background: #f8fafc;
  border: 1px solid var(--pass-border);
  border-radius: var(--pass-radius-md);
  padding: 14px 18px;
  margin-bottom: 24px;
}

.passgen-meter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 13.5px;
}

.meter-title {
  font-weight: 700;
  color: var(--pass-text-dark);
  display: flex;
  align-items: center;
  gap: 6px;
}

.meter-rating-label {
  font-weight: 800;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 4px;
}

.meter-rating-label.weak { background: var(--pass-danger-light); color: var(--pass-danger); }
.meter-rating-label.medium { background: var(--pass-warning-light); color: #d97706; }
.meter-rating-label.strong { background: var(--pass-accent-light); color: #047857; }
.meter-rating-label.very-strong { background: #dbeafe; color: #1d4ed8; }

.passgen-meter-progress {
  height: 8px;
  background: #e2e8f0;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 10px;
}

.passgen-progress-fill {
  height: 100%;
  width: 0%;
  border-radius: 4px;
  transition: width 0.3s ease, background-color 0.3s ease;
}

.passgen-meter-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--pass-text-muted);
}

.meter-meta-item strong {
  color: var(--pass-text-dark);
}

/* Grid Layout for Settings & Bulk Generator */
.passgen-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 26px;
}

/* Settings Column */
.passgen-settings-card {
  background: #f8fafc;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-lg);
  padding: 20px;
}

.settings-group-title {
  font-size: 14.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--pass-text-dark);
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Length Slider Control */
.length-slider-box {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--pass-border);
}

.length-slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.length-slider-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--pass-text-dark);
}

.length-input-badge {
  width: 58px;
  height: 36px;
  text-align: center;
  font-size: 16px;
  font-weight: 800;
  color: var(--pass-primary);
  background: #ffffff;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-sm);
  outline: none;
  transition: border-color 0.2s ease;
}

.length-input-badge:focus {
  border-color: var(--pass-primary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.passgen-range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #e2e8f0;
  outline: none;
  cursor: pointer;
  accent-color: var(--pass-primary);
}

/* Checkbox Toggles List */
.passgen-options-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.passgen-check-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: #ffffff;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-md);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.passgen-check-item:hover {
  border-color: var(--pass-primary);
  background: #ffffff;
}

.passgen-check-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--pass-text-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.passgen-check-hint {
  font-size: 12px;
  color: var(--pass-text-muted);
  font-weight: 500;
  margin-left: 4px;
}

.passgen-checkbox {
  width: 19px;
  height: 19px;
  cursor: pointer;
  accent-color: var(--pass-primary);
}

/* Preset Chips */
.passgen-presets-row {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--pass-border);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.preset-chip {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--pass-primary);
  background: var(--pass-primary-light);
  border: 1px solid rgba(2, 132, 199, 0.2);
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.preset-chip:hover {
  background: var(--pass-primary);
  color: #ffffff;
}

/* Bulk Generator Column */
.passgen-bulk-card {
  background: #f8fafc;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.bulk-controls-flex {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.bulk-count-input {
  width: 70px;
  height: 38px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--pass-text-dark);
  background: #ffffff;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-sm);
  outline: none;
}

.btn-bulk-generate {
  flex: 1;
  height: 38px;
  background: var(--pass-primary);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 700;
  border-radius: var(--pass-radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-bulk-generate:hover {
  background: var(--pass-primary-hover);
}

.bulk-output-box {
  background: #ffffff;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-md);
  padding: 12px;
  min-height: 250px;
  max-height: 380px;
  overflow-y: auto;
  flex: 1;
}

.bulk-empty-text {
  text-align: center;
  color: var(--pass-text-muted);
  font-size: 13.5px;
  padding: 60px 10px;
}

.bulk-pass-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-bottom: 1px solid #f1f5f9;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--pass-text-dark);
  border-radius: var(--pass-radius-sm);
  transition: background-color 0.15s ease;
}

.bulk-pass-row:hover {
  background: #f8fafc;
}

.bulk-pass-row:last-child {
  border-bottom: none;
}

.btn-bulk-row-copy {
  background: transparent;
  border: none;
  color: var(--pass-primary);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}

.btn-bulk-row-copy:hover {
  background: var(--pass-primary-light);
}

.bulk-actions-footer {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.btn-bulk-secondary {
  padding: 7px 14px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--pass-text-dark);
  background: #ffffff;
  border: 1px solid var(--pass-border);
  border-radius: var(--pass-radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-bulk-secondary:hover {
  background: #f1f5f9;
  border-color: var(--pass-primary);
}

/* Toast Notification */
.passgen-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f172a;
  color: #ffffff;
  padding: 12px 20px;
  border-radius: var(--pass-radius-md);
  font-size: 14px;
  font-weight: 700;
  display: none;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  z-index: 2000;
  animation: toastSlideUp 0.25s ease-out;
}

@keyframes toastSlideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Educational Content Section */
.passgen-article {
  background: #ffffff;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-xl);
  padding: 36px 32px;
  box-shadow: var(--pass-shadow);
  color: var(--pass-text-body);
  line-height: 1.7;
}

.passgen-article h2 {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--pass-text-dark);
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid #f1f5f9;
}

.passgen-article h2:first-of-type {
  margin-top: 0;
}

.passgen-article h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--pass-text-dark);
  margin: 20px 0 10px;
}

.passgen-article p {
  font-size: 15px;
  margin-bottom: 16px;
}

.passgen-article ul {
  padding-left: 24px;
  margin-bottom: 20px;
}

.passgen-article ul li {
  margin-bottom: 8px;
  font-size: 14.5px;
}

/* Feature Cards Grid */
.passgen-cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 20px 0;
}

.passgen-feature-card {
  background: #f8fafc;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-md);
  padding: 20px;
}

.passgen-feature-card h3 {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--pass-primary);
}

/* Crack Time Matrix Table */
.crack-matrix-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  background: #ffffff;
  border: 1px solid var(--pass-border);
  border-radius: var(--pass-radius-md);
  overflow: hidden;
}

.crack-matrix-table th {
  background: #f1f5f9;
  color: var(--pass-text-dark);
  font-size: 13.5px;
  font-weight: 700;
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1.5px solid var(--pass-border);
}

.crack-matrix-table td {
  padding: 10px 14px;
  font-size: 13.5px;
  border-bottom: 1px solid #f1f5f9;
}

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

.crack-time-danger { color: #dc2626; font-weight: 700; }
.crack-time-warning { color: #d97706; font-weight: 700; }
.crack-time-safe { color: #059669; font-weight: 700; }

/* FAQ Cards */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 20px;
}

.faq-card {
  background: #f8fafc;
  border: 1.5px solid var(--pass-border);
  border-radius: var(--pass-radius-md);
  padding: 18px 20px;
  transition: all 0.2s ease;
}

.faq-card:hover {
  border-color: var(--pass-primary);
  background: #ffffff;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}

.faq-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--pass-text-dark);
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.faq-card h3 i {
  color: var(--pass-primary);
}

.faq-card p {
  margin: 0;
  font-size: 14px;
  color: var(--pass-text-body);
}

/* Responsive */
@media (max-width: 991px) {
  .passgen-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .passgen-title {
    font-size: 1.7rem;
  }
  .passgen-output-text {
    font-size: 1.25rem;
  }
  .passgen-cards-grid {
    grid-template-columns: 1fr;
  }
  .passgen-article {
    padding: 24px 18px;
  }
  .crack-matrix-table {
    display: block;
    overflow-x: auto;
  }
}