/* 
 * Improved Unified Overlay Menu Styles
 * Focusing on consistent button styling and better readability
 */

:root {
  /* Primary Colors - Light Theme */
  --menu-bg-color: #f8f9fa;
  --menu-text-color: #333333;
  --menu-text-secondary: #555555;
  
  /* Button Colors */
  --button-bg: #3d7876;
  --button-bg-hover: #487c72;
  --button-bg-selected: #558976;
  --button-text: #ffffff;
  
  /* Info Box */
  --info-box-bg: rgba(245, 247, 250, 0.9);
  --info-box-border: 1px solid rgba(61, 120, 118, 0.3);
  
  /* Accent Colors for Categories */
  --root-accent: #8a6aad; /* Purple for root notes */
  --scale-accent: #3d7876; /* Teal for scales */
  --chord-accent: #487c72; /* Darker teal for chords */
  --arpeggio-accent: #558976; /* Light teal for arpeggios */
  --position-accent: #efd760; /* Yellow for positions */
  
  /* UI Elements */
  --overlay-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  --item-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --item-shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Base Overlay Structure */
#unifiedOverlayMenu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  z-index: 1050;
  display: none;
  overflow-y: auto;
  color: var(--menu-text-color);
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  justify-content: center;
  align-items: center;
}

#unifiedOverlayMenu .overlay-content {
  position: relative;
  max-width: 750px;
  width: 90%;
  margin: 50px auto;
  padding: 30px;
  background-color: var(--menu-bg-color);
  border-radius: 12px;
  box-shadow: var(--overlay-shadow);
  max-height: 85vh;
  overflow-y: auto;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Typography */
#unifiedOverlayMenu h2 {
  margin-top: 0;
  margin-bottom: 24px;
  color: var(--menu-text-color);
  text-align: center;
  font-size: 1.5em;
  font-weight: 500;
  border-bottom: 1px solid rgba(61, 120, 118, 0.2);
  padding-bottom: 15px;
  letter-spacing: 0.5px;
}

#unifiedOverlayMenu h3 {
  color: var(--menu-text-color);
  font-size: 1.2em;
  margin-bottom: 15px;
  font-weight: 500;
}

/* Step Container Styles */
#unifiedOverlayMenu .step {
  display: none;
  padding: 20px;
  margin-top: 15px;
  border-radius: 8px;
  background-color: rgba(245, 247, 250, 0.7);
  border: 1px solid rgba(61, 120, 118, 0.1);
}

#unifiedOverlayMenu .step.active-step {
  display: block;
}

#unifiedOverlayMenu .steps-container {
  display: none;
}

/* Initial Mode Selection Buttons */
#initialStep {
  text-align: center;
}

.mode-buttons {
  display: initial; 
  justify-content: center; 
  gap: 15px; 
  margin-top: 25px;
}

#initialStep .mode-select-button {
  display: inline-block;
  padding: 14px 25px;
  margin: 5px;
  font-size: 1.1em;
  cursor: pointer;
  background-color: var(--button-bg);
  color: var(--button-text);
  border: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  box-shadow: var(--item-shadow);
  min-width: 120px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

#initialStep .mode-select-button:hover {
  background-color: var(--button-bg-hover);
  transform: translateY(-2px);
  box-shadow: var(--item-shadow-hover);
}

/* Specific styling for special buttons */
#initialStep .settings-button {
  background-color: #3e4957;
}

#initialStep .settings-button:hover {
  background-color: #4b5a6a;
}

#initialStep .about-button {
  background-color: #3e4e57;
  text-decoration: none;
}

#initialStep .about-button:hover {
  background-color: #4b606a;
}

/* Grid Layout for Options */
#unifiedOverlayMenu .grid-container {
  display: grid;
  gap: 15px;
  margin-bottom: 25px;
  max-height: 50vh;
  overflow-y: auto;
  padding: 15px;
  scrollbar-width: thin;
  scrollbar-color: var(--button-bg-selected) var(--menu-bg-color);
}

/* Scrollbar styling for grid containers */
#unifiedOverlayMenu .grid-container::-webkit-scrollbar {
  width: 8px;
}

#unifiedOverlayMenu .grid-container::-webkit-scrollbar-track {
  background: rgba(35, 37, 49, 0.3);
  border-radius: 4px;
}

#unifiedOverlayMenu .grid-container::-webkit-scrollbar-thumb {
  background-color: var(--button-bg);
  border-radius: 4px;
}

#unifiedOverlayMenu .grid-container::-webkit-scrollbar-thumb:hover {
  background-color: var(--button-bg-hover);
}

/* Standard grid layouts */
#unifiedOverlayMenu .grid-container {
  grid-template-columns: repeat(4, 1fr);
  max-width: 600px;
  margin: 0 auto;
}

/* Grid Item Styling - Standardized Across All Types */
#unifiedOverlayMenu .grid-item {
  padding: 13px 12px;
  background-color: var(--button-bg);
  color: var(--button-text);
  border: none;
  border-radius: 8px;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  font-size: 1em;
  box-shadow: var(--item-shadow);
  font-weight: 400;
}

#unifiedOverlayMenu .grid-item:hover {
  background-color: var(--button-bg-hover);
  transform: translateY(-2px);
  box-shadow: var(--item-shadow-hover);
}

#unifiedOverlayMenu .grid-item.selected {
  background-color: var(--button-bg-selected);
  color: white;
  font-weight: 500;
}

/* Specific Item Type Styling with Consistent UI */
/* Root notes */
#unifiedOverlayMenu .root-item {
  font-weight: 500;
}

#unifiedOverlayMenu .root-item:hover {
  background-color: var(--root-accent);
}

#unifiedOverlayMenu .root-item.selected {
  background-color: var(--root-accent);
}

/* Scale types */
#unifiedOverlayMenu .scale-type-item:hover {
  background-color: var(--scale-accent);
}

#unifiedOverlayMenu .scale-type-item.selected {
  background-color: var(--scale-accent);
}

/* Arpeggio types */
#unifiedOverlayMenu .arpeggio-type-item:hover {
  background-color: var(--arpeggio-accent);
}

#unifiedOverlayMenu .arpeggio-type-item.selected {
  background-color: var(--arpeggio-accent);
}

/* Chord types */
#unifiedOverlayMenu .chord-type-item:hover {
  background-color: var(--chord-accent);
}

#unifiedOverlayMenu .chord-type-item.selected {
  background-color: var(--chord-accent);
}

/* Position items */
#unifiedOverlayMenu .position-item:hover {
  background-color: var(--position-accent);
}

#unifiedOverlayMenu .position-item.selected {
  background-color: var(--position-accent);
  color: #333; /* Darker text for better contrast with yellow */
}

/* Info Box Styling */
.info-box {
  background-color: var(--info-box-bg);
  border: var(--info-box-border);
  border-radius: 8px;
  padding: 15px;
  margin: 15px 0 20px 0;
  color: var(--menu-text-secondary);
}

.info-box p {
  margin: 8px 0;
  line-height: 1.5;
  font-size: 0.95em;
}

.info-box strong {
  color: var(--menu-text-color);
  font-weight: 600;
}

/* Back Button */
#unifiedOverlayMenu .back-button {
  display: inline-block;
  padding: 10px 18px;
  margin-top: 20px;
  background-color: #e1e7eb;
  color: #333;
  border: 1px solid rgba(61, 120, 118, 0.2);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95em;
  font-weight: 500;
  letter-spacing: 0.5px;
}

#unifiedOverlayMenu .back-button:hover {
  background-color: #d1dce3;
  transform: translateY(-2px);
  box-shadow: var(--item-shadow);
}

/* Modern Minimalist Close Button */
#unifiedOverlayMenu .close-button {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 28px;
  height: 28px;
  cursor: pointer;
  z-index: 1100;
  transition: all 0.3s ease;
  background: transparent;
  border: none;
  opacity: 0.6;
}

#unifiedOverlayMenu .close-button:hover {
  opacity: 1;
  transform: rotate(90deg);
}

#unifiedOverlayMenu .close-button::before,
#unifiedOverlayMenu .close-button::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 1px;
  background-color: var(--button-bg);
  top: 50%;
  left: 0;
  transition: all 0.3s ease;
}

#unifiedOverlayMenu .close-button::before {
  transform: rotate(45deg);
}

#unifiedOverlayMenu .close-button::after {
  transform: rotate(-45deg);
}

#unifiedOverlayMenu .close-button:hover::before,
#unifiedOverlayMenu .close-button:hover::after {
  background-color: var(--button-bg-hover);
  height: 2px;
}

/* Search Box Styling */
.search-box-container {
  margin: 25px auto;
  width: 100%;
  max-width: 500px;
}

.search-input-wrapper {
  display: flex;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--item-shadow);
}

.overlay-search-input {
  flex: 1;
  padding: 12px 15px;
  border: 1px solid rgba(61, 120, 118, 0.2);
  border-right: none;
  font-size: 16px;
  background-color: white;
  color: #333;
  outline: none;
  border-radius: 8px 0 0 8px;
}

.overlay-search-input:focus {
  border-color: var(--button-bg);
}

.overlay-search-button {
  background-color: var(--button-bg);
  color: white;
  border: none;
  padding: 12px 20px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.2s;
  font-weight: 500;
  border-radius: 0 8px 8px 0;
}

.overlay-search-button:hover {
  background-color: var(--button-bg-hover);
}

/* Search Examples */
.search-examples ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  list-style: none;
  padding: 0;
  margin: 15px 0 0 0;
}

.search-examples li {
  background-color: #e1e7eb;
  color: #333;
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 0.9em;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid rgba(61, 120, 118, 0.2);
}

.search-examples li:hover {
  background-color: var(--button-bg);
  color: white;
  transform: translateY(-2px);
}

/* Settings Section Styling */
.settings-section {
  margin-bottom: 25px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.settings-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.settings-item {
  margin-bottom: 15px;
}

.settings-item label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--menu-text-color);
  font-weight: 500;
}

.settings-control {
  width: 100%;
}

.settings-select,
#language-select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(35, 37, 49, 0.8);
  color: var(--menu-text-color);
  font-size: 14px;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23FFFFFF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 10px top 50%;
  background-size: 12px auto;
  padding-right: 30px;
}

.settings-select:focus,
#language-select:focus {
  outline: none;
  border-color: var(--button-bg-selected);
}

.settings-apply-button {
  padding: 10px 18px;
  background-color: var(--button-bg-selected);
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 15px;
  transition: all 0.3s ease;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.settings-apply-button:hover {
  background-color: #6b79c5;
  transform: translateY(-2px);
  box-shadow: var(--item-shadow);
}

.settings-info {
  margin-top: 12px;
  padding: 12px;
  background-color: var(--info-box-bg);
  border-radius: 6px;
  font-size: 0.9em;
  color: var(--menu-text-secondary);
  border: var(--info-box-border);
}

.settings-info p {
  margin: 6px 0;
  line-height: 1.4;
}

/* Responsive Design Adjustments */
@media (max-width: 768px) {
  #unifiedOverlayMenu .overlay-content {
    width: 95%;
    padding: 20px;
    margin: 30px auto;
  }
  
  #unifiedOverlayMenu .grid-container {
    grid-template-columns: repeat(3, 1fr);
  }
  
  #initialStep .mode-select-button {
    padding: 12px 18px;
    font-size: 1em;
    min-width: 100px;
  }
  
  .search-box-container {
    margin-top: 15px;
  }
}

@media (max-width: 480px) {
  #unifiedOverlayMenu .grid-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  #unifiedOverlayMenu h2 {
    font-size: 1.3em;
    margin-bottom: 15px;
    padding-bottom: 10px;
  }
  
  .search-box-container {
    max-width: 100%;
  }
  
  .mode-buttons {
    gap: 10px;
  }
  
  #initialStep .mode-select-button {
    margin: 3px;
    padding: 10px 15px;
    font-size: 0.95em;
    min-width: 85px;
  }
  
  .info-box {
    padding: 12px 10px;
    font-size: 0.9em;
  }
  
  .settings-section h3 {
    font-size: 1.1em;
  }
}

/* Print styles - hide menu when printing */
@media print {
  #unifiedOverlayMenu {
    display: none !important;
  }
}