:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f7f8fa;
  --text-primary: #1a1a1a;
  --text-secondary: #828996;
  --placeholder-color: var(--text-secondary);
  --toggle-size: 32px;
  --toggle-offset: 8px;
  --toggle-gap: 8px;
  --accent-primary: #2563eb;
  --accent-secondary: #6366f1;
  --border-color: #e5e7eb;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --code-border: #1f2937;
  --notice-info-bg: #eef4ff;
  --notice-info-border: #c7d2fe;
  --notice-info-text: #1e3a8a;
  --notice-warn-bg: #fff7ed;
  --notice-warn-border: #fde68a;
  --notice-warn-text: #7c2d12;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --btn-hover-bg: #1d4ed8;
  --code-max-lines: 12;
  --code-line-height: 1.4;
  --code-font-size: 0.6rem;
  --form-padding-top: 0.4rem;
  --inline-code-pad-y: 0.4rem;
  --inline-code-pad-x: 0.75rem;
}

[data-theme="dark"] {
  --bg-primary: #1f1f23;
  --bg-secondary: #2a2a2f;
  --text-primary: #ececec;
  --text-secondary: #a1a1aa;
  --placeholder-color: #494956;
  --toggle-size: 32px;
  --toggle-offset: 8px;
  --toggle-gap: 8px;
  --accent-primary: #6366f1;
  --accent-secondary: #8b5cf6;
  --border-color: #374151;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
  --code-bg: #0b1324;
  --code-text: #d1d5db;
  --code-border: #293244;
  --notice-info-bg: #162036;
  --notice-info-border: #2a3a5f;
  --notice-info-text: #b2bbe2;
  --notice-warn-bg: #2b241a;
  --notice-warn-border: #4a3a20;
  --notice-warn-text: #facc15;
  --success-color: #34d399;
  --error-color: #f87171;
  --warning-color: #fbbf24;
  --btn-hover-bg: #4f46e5;
  --code-max-lines: 12;
  --code-line-height: 1.4;
  --code-font-size: 0.6rem;
  --form-padding-top: 0.4rem;
  --inline-code-pad-y: 0.4rem;
  --inline-code-pad-x: 0.75rem;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4rem;
}

#home-section {
  padding-top: 1rem;
}

/* Theme Toggle */
.theme-toggle {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: var(--toggle-size);
  height: var(--toggle-size);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
  margin-left: 1rem;
  position: fixed;
  top: var(--toggle-offset);
  right: var(--toggle-offset);
  z-index: 200;
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.theme-toggle svg {
  width: 24px;
  height: 24px;
  color: var(--text-primary);
}

[data-theme="light"] .moon-icon,
[data-theme="dark"] .sun-icon {
  display: none;
}

/* Hero Section */
.hero {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeInUp 0.8s ease-out;
}

.logo {
  margin-bottom: 1.5rem;
  animation: pulse 2s infinite;
}

.logo svg {
  width: 100px;
  height: 100px;
  filter: drop-shadow(0 8px 16px rgba(37, 99, 235, 0.3));
}

.title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

/* Countdown Timer */
.countdown {
  text-align: center;
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.countdown-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 500px;
}

.countdown-item {
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem 1rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.countdown-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-primary);
}

.countdown-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.countdown-item:hover::before {
  transform: scaleX(1);
}

.countdown-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
  font-variant-numeric: tabular-nums;
}

.countdown-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Newsletter Section */
.newsletter {
  text-align: center;
  max-width: 500px;
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.newsletter-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.newsletter-input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: 2px solid var(--border-color);
  border-radius: 0.75rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.newsletter-input::placeholder {
  color: var(--placeholder-color);
}

.newsletter-button {
  background: transparent;
  color: var(--text-secondary);
  border: 2px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.newsletter-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--text-primary);
}

.newsletter-button:active {
  transform: translateY(0);
}

.newsletter-success {
  color: #10b981;
  font-weight: 500;
  animation: fadeIn 0.5s ease-out;
}

/* Contact Section */
.contact {
  text-align: center;
  max-width: 600px;
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

.contact-text {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.contact-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 500;
  position: relative;
}

.contact-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.contact-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Tools Grid */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  width: 100%;
}

.tool-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: all 0.3s ease;
  cursor: pointer;
  box-shadow: var(--shadow);
}

.tool-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-primary);
}

.tool-icon {
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: 0.75rem;
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
  transition: all 0.3s ease;
}

.tool-card:hover .tool-icon {
  background: var(--accent-primary);
  color: white;
}

.tool-card h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.tool-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Desktop App Teaser */
.desktop-app-teaser {
  text-align: center;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  padding: 3rem 2rem;
  border-radius: 1rem;
  width: 100%;
  box-shadow: var(--shadow-hover);
}

.desktop-app-teaser h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.desktop-app-teaser p {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Navigation */
.main-nav {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-group {
  position: relative;
}

.nav-group-label {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-group:hover .nav-group-label,
.nav-group-label:hover {
  color: var(--accent-primary);
}

.nav-link {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  padding: 0.5rem;
  transition: color 0.2s ease;
  text-decoration: none;
}

@media (max-width: 900px) {
  .nav-container { height: 3.5rem; }
  .nav-links { gap: 0.75rem; }
  .nav-link, .nav-group-label { font-size: 0.9rem; padding: 0.25rem; }
}

@media (max-width: 700px) {
  .nav-links { gap: 0.5rem; }
  .nav-link, .nav-group-label { font-size: 0.85rem; padding: 0.2rem; }
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-primary);
}

.nav-link.active {
  position: relative;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-primary);
  border-radius: 2px;
}

.nav-submenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 0.5rem;
  min-width: 200px;
  box-shadow: var(--shadow-hover);
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-group:hover .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-submenu .nav-link {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  text-align: left;
  white-space: nowrap;
}

.nav-submenu .nav-link:hover {
  background: var(--bg-secondary);
  color: var(--accent-primary);
}

/* Tool Section Styles */
.tool-section {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  animation: fadeIn 0.5s ease-out;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  text-align: center;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  font-size: 1.1rem;
}

.openssl-label {
  text-align: left;
}

#cert-decoder-section .section-subtitle {
  text-align: left;
}

#cert-decoder-section .tool-form {
  margin-top: 0.5rem;
  padding-top: var(--form-padding-top);
}

#csr-decoder-section .section-subtitle {
  text-align: left;
  font-size: 12pt;
}

#csr-decoder-section .tool-form {
  margin-top: 0.5rem;
  padding-top: var(--form-padding-top);
}

.tool-form {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.form-grid {
  display: grid;
  gap: 1.5rem;
}

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

.form-group label {
  font-weight: 500;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.2s ease;
  -webkit-user-select: text;
  user-select: text;
  -webkit-touch-callout: default;
}

#cert-input {
  font-size: 0.85rem;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  line-height: 1.4;
}

#csr-input {
  font-size: 10pt;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  line-height: 1.3;
}

#csr-input.drag-over {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--bg-primary);
}

#cert-input.drag-over {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--bg-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  background: var(--bg-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.download-actions {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-block {
  width: 100%;
  padding: 1rem;
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 1rem;
}

.btn-block:hover {
  background: #1d4ed8;
  transform: translateY(-1px);
}

.secondary-button {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.secondary-button:hover {
  background: var(--bg-primary);
  border-color: var(--text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.file-upload {
  border: 2px dashed var(--border-color);
  border-radius: 0.5rem;
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-secondary);
}

.file-upload:hover {
  border-color: var(--accent-primary);
  background: var(--bg-primary);
}

.file-upload input[type="file"] {
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  overflow: hidden;
  position: absolute;
  z-index: -1;
}

.file-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.upload-icon {
  width: 32px;
  height: 32px;
  color: var(--text-secondary);
}

.file-name {
  font-weight: 500;
  color: var(--text-primary);
}

/* File Input Standard Style (if not using custom upload) */
input[type="file"] {
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  width: 100%;
  color: var(--text-primary);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

input[type="file"]::file-selector-button {
  margin-right: 1rem;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s ease;
}

input[type="file"]::file-selector-button:hover {
  background: var(--bg-secondary);
  border-color: var(--text-primary);
}

/* Toggle Switch */
.toggle-switch {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.toggle-input {
  appearance: none;
  width: 48px;
  height: 24px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.toggle-input::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: all 0.3s ease;
}

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

.toggle-input:checked::after {
  transform: translateX(24px);
  background: white;
}

.toggle-label {
  font-weight: 500;
  color: var(--text-primary);
}

/* Range Slider */
.range-slider {
  width: 100%;
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  outline: none;
  appearance: none;
}

.range-slider::-webkit-slider-thumb {
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 1.5rem;
}

.tab-btn {
  padding: 0.75rem 1.5rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.tab-btn.active {
  color: var(--accent-primary);
  border-bottom-color: var(--accent-primary);
}

/* Select Box Wrapper */
.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: '▼';
  font-size: 0.8rem;
  color: var(--text-secondary);
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.select-wrapper select {
  appearance: none;
  width: 100%;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success {
  background: #dcfce7;
  color: #166534;
}

.badge-warning {
  background: #fef9c3;
  color: #854d0e;
}

.badge-error {
  background: #fee2e2;
  color: #991b1b;
}

/* Tooltip */
.tooltip {
  position: relative;
  display: inline-block;
  margin-left: 0.5rem;
  color: var(--text-secondary);
  cursor: help;
}

.tooltip:hover::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1rem;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: 0.5rem;
  font-size: 0.85rem;
  white-space: nowrap;
  z-index: 10;
  margin-bottom: 0.5rem;
  box-shadow: var(--shadow-hover);
}

.tooltip:hover::after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--text-primary);
  margin-bottom: -7px; /* slightly adjusted */
}

/* Sr Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.file-info {
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.code-boxes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  width: 100%;
}

.code-box {
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  height: 100%;
}

.code-box-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
}

.code-box-title {
  font-weight: 600;
  color: var(--text-primary);
}

.code-box-headline {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.code-box-header-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.code-box-divider {
  height: 1px;
  background: var(--border-color);
  width: 100%;
}

.copy-btn {
  background: transparent;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 0.25rem 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

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

.code-box-content {
  flex: 1;
  padding: 1rem;
  background: var(--code-bg);
  color: var(--code-text);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: var(--code-font-size);
  line-height: var(--code-line-height);
  max-height: calc(var(--code-max-lines) * 1em * var(--code-line-height));
  overflow: auto;
  border-top: 1px solid var(--code-border);
}

.code-box-content.openssl {
  font-size: 0.9rem;
}

.inline-command {
  padding: var(--inline-code-pad-y) var(--inline-code-pad-x);
  background: var(--code-bg);
  color: var(--code-text);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: var(--code-font-size);
  line-height: var(--code-line-height);
  border: 1px solid var(--code-border);
  border-radius: 0.5rem;
  cursor: pointer;
  margin-bottom: 0.5rem;
}

.inline-command.openssl {
  font-size: 0.9rem;
}

.inline-command code {
  color: var(--code-text);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  background: var(--bg-primary);
  padding: 1rem;
}

.faq-question {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.faq-answer {
  color: var(--text-secondary);
}

/* Results Area */
.results-area {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  animation: fadeIn 0.5s ease-out;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  width: 100%;
}

.summary-card {
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  background: var(--bg-primary);
  box-shadow: var(--shadow);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.summary-title {
  font-weight: 600;
  color: var(--text-primary);
}

.summary-value {
  color: var(--text-secondary);
}

.result-actions {
  display: flex;
  justify-content: center;
  width: 100%;
}

@media (max-width: 900px) {
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.summary-panel {
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  background: var(--bg-primary);
  box-shadow: var(--shadow);
  padding: 1rem;
  width: 100%;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem 2rem;
}

.summary-item-label {
  font-weight: 600;
  color: var(--text-primary);
}

.summary-item-value {
  color: var(--text-secondary);
}

@media (max-width: 640px) {
  .results-grid {
    grid-template-columns: 1fr;
  }
  .summary-grid {
    grid-template-columns: 1fr;
  }
}

.notice-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-color);
  font-size: 0.95rem;
}

.notice-info {
  background: var(--notice-info-bg);
  border-color: var(--notice-info-border);
  color: var(--notice-info-text);
}

.notice-warn {
  background: var(--notice-warn-bg);
  border-color: var(--notice-warn-border);
  color: var(--notice-warn-text);
}

.result-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.result-box h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.result-box textarea {
  width: 100%;
  min-height: 200px;
  padding: 1rem;
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 0.5rem;
  color: var(--code-text);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 0.85rem;
  resize: vertical;
}

.rich-results h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.rich-results h4 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 1.25rem;
  margin-bottom: 0.5rem;
}

.rich-results .rich-header {
  font-size: 1.5rem;
  font-weight: 800;
}

.rich-results .header-subtitle {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.rich-results .kv-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

.rich-results .kv-table td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.95rem;
}

.rich-results .kv-label {
  width: 30%;
  font-weight: 400;
  color: var(--text-primary);
}

.rich-results .kv-value {
  color: var(--text-secondary);
}

.rich-results .code-block {
  background: var(--code-bg);
  border: 1px solid var(--code-border);
  border-radius: 0.5rem;
  padding: 0.75rem;
  overflow: auto;
  color: var(--code-text);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 0.85rem;
}

.rich-results .kv-table code {
  font-weight: 700;
}

.results-table-container .results-table td {
  font-size: 0.95rem;
}

.results-table-container .label-cell {
  font-weight: 400;
}

.results-table-container .value-cell {
  font-weight: 400;
  color: var(--text-secondary);
}

.results-table-container code {
  font-weight: 700;
}

/* About Us Page Styles */
.about-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.mission-statement {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  text-align: center;
  font-size: 1.2rem;
  color: var(--text-primary);
  box-shadow: var(--shadow);
}

.mission-statement p {
  max-width: 800px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.about-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.about-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent-primary);
}

/* Button Primary (from inline) */
.btn-primary {
    background-color: var(--accent-primary);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: background-color 0.2s;
}

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

/* Loading skeletons (from inline) */
.skeleton {
    background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Generator results copy button styling override */
#generator-section .result-box { position: relative; }
#generator-section .result-box .copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 6px 10px;
    font-size: 0.78rem;
    border-radius: 6px;
    background: var(--bg-elevated, #ffffff);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    cursor: pointer;
    transition: transform 0.08s ease, box-shadow 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
#generator-section .result-box .copy-btn:hover { box-shadow: 0 3px 10px rgba(0,0,0,0.1); color: var(--accent-primary); border-color: var(--accent-primary); }
#generator-section .result-box .copy-btn:active { transform: scale(0.98); }