/* ==========================================================================
   RandomName Studio - Custom Stylesheet
   Theme: White background with Blue/Purple Theme & Lucide Icons
   Fonts: Default 'Manrope', Headings 'Sora'
   Border Radius: Strictly 5px (4px-5px) on all boxes per specifications
   Layout: Dynamic Viewport Fit (100vh - No Vertical Body Scrollbars)
   ========================================================================== */

:root {
  /* Colors */
  --bg-main: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-hover: #F1F5F9;

  --primary-50: #EEF2FF;
  --primary-100: #E0E7FF;
  --primary-500: #6366F1;
  --primary-600: #4F46E5;
  --primary-700: #4338CA;
  
  --purple-500: #8B5CF6;
  --purple-600: #7C3AED;
  --purple-700: #6D28D9;

  --accent-gradient: linear-gradient(135deg, #4F46E5 0%, #8B5CF6 100%);
  --accent-gradient-hover: linear-gradient(135deg, #4338CA 0%, #7C3AED 100%);
  --subtle-gradient: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 100%);

  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-light: #94A3B8;

  --border-color: #E2E8F0;
  --border-hover: #C7D2FE;
  --border-active: #8B5CF6;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(99, 102, 241, 0.08), 0 2px 4px -2px rgba(99, 102, 241, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(99, 102, 241, 0.12), 0 4px 6px -4px rgba(99, 102, 241, 0.06);

  /* BORDER RADIUS CONSTRAINT: 5px FOR ALL BOXES */
  --radius: 5px;
}

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

html, body {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

body {
  font-family: 'Manrope', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.45;
  display: flex;
  flex-direction: column;
}

/* Headings Font: Sora */
h1, h2, h3, h4, h5, h6, .font-heading {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

/* Header & Navbar */
.site-header {
  background: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
  padding: 0.6rem 1.5rem;
  flex-shrink: 0;
  z-index: 100;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

/* Logo Box matching user's image: purple rounded rectangle with white wrench */
.logo-box {
  width: 36px;
  height: 36px;
  background: var(--accent-gradient);
  border-radius: var(--radius) !important;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 4px 10px rgba(124, 58, 237, 0.25);
}

.logo-box i {
  width: 20px;
  height: 20px;
  stroke-width: 2.2;
}

.brand-text h1 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.brand-text p {
  font-size: 0.725rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Main Layout Container (Fits exactly inside viewport) */
.main-wrapper {
  max-width: 1280px;
  margin: 0.5rem auto;
  padding: 0 1.25rem;
  width: 100%;
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 1rem;
  overflow: hidden;
}

/* Sidebar & Control Box */
.control-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 0.875rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.65rem;
  height: 100%;
  overflow-y: auto;
}

.control-section-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Category Grid Buttons */
.category-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.35rem;
}

.category-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  padding: 0.4rem 0.35rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.category-handle {
  font-family: 'Manrope', sans-serif;
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--purple-600);
  background: var(--primary-50);
  padding: 0.05rem 0.35rem;
  border-radius: var(--radius);
  line-height: 1.1;
  border: 1px solid var(--primary-100);
}

.category-btn.active .category-handle {
  background: var(--purple-600);
  color: #FFFFFF;
  border-color: var(--purple-600);
}

.category-btn:hover {
  background: var(--primary-50);
  border-color: var(--border-hover);
  color: var(--primary-600);
}

.category-btn.active {
  background: var(--subtle-gradient);
  border-color: var(--primary-500);
  color: var(--primary-600);
  box-shadow: var(--shadow-sm);
}

.category-btn i {
  width: 15px;
  height: 15px;
  color: var(--purple-500);
}

.category-btn.active i {
  color: var(--primary-600);
}

/* Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-select, .form-control {
  width: 100%;
  padding: 0.45rem 0.65rem;
  background: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  font-family: 'Manrope', sans-serif;
  font-size: 0.825rem;
  color: var(--text-main);
  outline: none;
  transition: all 0.2s ease;
}

.form-select:focus, .form-control:focus {
  border-color: var(--purple-500);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

/* Gender Filter Buttons */
.gender-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.25rem;
  background: var(--bg-secondary);
  padding: 0.2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
}

.gender-btn {
  padding: 0.35rem 0.4rem;
  font-size: 0.725rem;
  font-weight: 600;
  border: none;
  background: transparent;
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  transition: all 0.15s ease;
}

.gender-btn.active {
  background: var(--bg-main);
  color: var(--primary-600);
  box-shadow: var(--shadow-sm);
}

.gender-btn i {
  width: 13px;
  height: 13px;
}

/* Count Picker (5 to 10) */
.count-picker {
  display: flex;
  gap: 0.25rem;
}

.count-btn {
  flex: 1;
  padding: 0.35rem 0.25rem;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.count-btn:hover {
  background: var(--primary-50);
  border-color: var(--border-hover);
}

.count-btn.active {
  background: var(--primary-600);
  color: #FFFFFF;
  border-color: var(--primary-600);
  box-shadow: var(--shadow-sm);
}

/* Action Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  font-family: 'Manrope', sans-serif;
  font-size: 0.825rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: var(--accent-gradient-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--text-muted);
}

.btn-outline-purple {
  background: var(--bg-main);
  border-color: var(--purple-500);
  color: var(--purple-600);
}

.btn-outline-purple:hover {
  background: var(--subtle-gradient);
  border-color: var(--purple-600);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
}

.btn-icon {
  padding: 0.4rem;
  border-radius: var(--radius);
}

/* Results Content Area */
.results-area {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  height: 100%;
  min-height: 0;
  flex: 1;
  overflow: hidden;
}

.results-header {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.results-title-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.results-title-group h2 {
  font-size: 1.1rem;
}

.results-badge {
  background: var(--primary-50);
  color: var(--primary-600);
  border: 1px solid var(--primary-100);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius);
  font-size: 0.7rem;
  font-weight: 700;
}

.results-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Name Cards Grid (Fits perfectly without overflow) */
.names-grid {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.65rem;
  align-content: start;
  overflow-y: auto;
  padding: 6px 0.25rem 6px 4px;
}

/* Name Card */
.name-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius); /* Fixed 5px radius */
  padding: 0.75rem 0.875rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.5rem;
  position: relative;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-sm);
  overflow: hidden; /* Guarantees strict containment within 5px box */
  min-width: 0;
}

.name-card:hover {
  border-color: var(--purple-500);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.name-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  min-width: 0;
}

.name-serial {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--purple-600);
  background: var(--primary-50);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius);
  flex-shrink: 0;
}

.name-tag {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius);
  max-width: 100%;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  line-height: 1.25;
  text-align: right;
  border: 1px solid var(--border-color);
  flex-shrink: 1;
  min-width: 0;
}

.name-display {
  font-family: 'Sora', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  word-break: break-word;
}

.name-title-subtitle {
  font-size: 0.775rem;
  color: var(--purple-600);
  font-style: italic;
  font-weight: 500;
  margin-top: 0.15rem;
}

.name-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--border-color);
}

.card-action-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  color: var(--text-main);
  padding: 0.3rem 0.6rem;
  font-size: 0.725rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.2s ease;
}

.card-action-btn:hover {
  background: var(--primary-50);
  border-color: var(--border-hover);
  color: var(--primary-600);
}

.card-action-btn.star-btn.active {
  background: #FEF3C7;
  border-color: #FCD34D;
  color: #D97706;
}

.card-action-btn i {
  width: 13px;
  height: 13px;
}

/* Favorites Panel / Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-body {
  padding: 1.25rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.favorites-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.favorite-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.875rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
}

.favorite-name {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
}

.favorite-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.modal-footer {
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-secondary);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: #0F172A;
  color: #FFFFFF;
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease forwards;
}

.toast i {
  color: #34D399;
  width: 15px;
  height: 15px;
}

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

/* Compact Info / SEO Bar */
.info-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 0.5rem 0.875rem;
  flex-shrink: 0;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.info-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-icon {
  width: 26px;
  height: 26px;
  background: var(--primary-50);
  color: var(--primary-600);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-icon i {
  width: 14px;
  height: 14px;
}

.info-content h4 {
  font-size: 0.75rem;
  font-weight: 700;
}

.info-content p {
  font-size: 0.7rem;
  color: var(--text-muted);
  line-height: 1.2;
}

/* Gradient Text (Studio gradient blue to purple) */
.gradient-text {
  background: linear-gradient(135deg, #2563EB 0%, #8B5CF6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

/* Footer Badge Container */
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.875rem;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: var(--radius); /* Fixed 5px radius */
  box-shadow: var(--shadow-sm);
  font-size: 0.8rem;
  color: #475569;
  font-weight: 500;
  font-family: 'Manrope', sans-serif;
}

.footer-badge strong {
  color: #0F172A;
  font-weight: 700;
}

.pulsing-heart {
  color: #FF2D55;
  fill: #FF2D55;
  width: 15px;
  height: 15px;
  display: inline-block;
  animation: heartPulse 1.2s infinite ease-in-out;
  vertical-align: middle;
}

@keyframes heartPulse {
  0% { transform: scale(1); }
  14% { transform: scale(1.25); }
  28% { transform: scale(1); }
  42% { transform: scale(1.25); }
  70% { transform: scale(1); }
  100% { transform: scale(1); }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 0.4rem 1.5rem;
  background: var(--bg-main);
  flex-shrink: 0;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Utility Animations */
.animate-pulse {
  animation: pulse 0.4s ease;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

/* Responsive Overrides for Mobile Devices */
@media (max-width: 992px) or (max-height: 600px) {
  html, body {
    height: auto;
    min-height: 100vh;
    overflow-y: auto;
  }
  .main-wrapper {
    grid-template-columns: 1fr;
    overflow: visible;
  }
  .control-card, .results-area {
    height: auto;
    overflow: visible;
  }
}