/* =========================================
   SingStarDB - Modern Core Styles
   ========================================= */

:root {
  /* Color Palette */
  --bg-color: #0f111a;
  --panel-bg: rgba(26, 30, 43, 0.65);
  --panel-border: rgba(255, 255, 255, 0.08);
  --text-main: #f8f9fa;
  --text-muted: #9ba1a6;
  
  /* Vibrant Accents */
  --accent-pink: #ff2a6d;
  --accent-blue: #05d9e8;
  --accent-purple: #7a04eb;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
  --gradient-blob-1: radial-gradient(circle, rgba(255, 42, 109, 0.4) 0%, rgba(255, 42, 109, 0) 70%);
  --gradient-blob-2: radial-gradient(circle, rgba(5, 217, 232, 0.3) 0%, rgba(5, 217, 232, 0) 70%);
  --gradient-blob-3: radial-gradient(circle, rgba(122, 4, 235, 0.35) 0%, rgba(122, 4, 235, 0) 70%);

  /* UI Tokens */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  
  --shadow-glow: 0 0 20px rgba(255, 42, 109, 0.2);
  --shadow-elem: 0 4px 12px rgba(0, 0, 0, 0.2);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Glassmorphism Blur */
  --blur-amount: 12px;
}

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

body {
  font-family: 'Inter', sans-serif;
  /* High performance vibrant gradient replacing dark background */
  background: linear-gradient(135deg, #4a001d 0%, #151822 40%, #1c0042 100%);
  background-attachment: fixed;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  padding: 40px 20px;
  line-height: 1.5;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* =========================================
   Layout
   ========================================= */
.container {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.glass-panel {
  background: #151822; /* Solid performant background fallback */
  background: linear-gradient(145deg, rgba(30, 35, 48, 0.9) 0%, rgba(20, 24, 34, 0.95) 100%);
  /* backdrop-filter intentionally removed for maximum GPU performance */
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

/* =========================================
   Header & Typography
   ========================================= */
header {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.logo-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 10px;
}

.logo-img {
  width: 80px;
  height: auto;
  filter: drop-shadow(0 0 10px rgba(255, 42, 109, 0.6));
  animation: pulseLogo 3s infinite alternate ease-in-out;
}

@keyframes pulseLogo {
  0% { transform: scale(1); }
  100% { transform: scale(1.05); filter: drop-shadow(0 0 15px rgba(255, 42, 109, 0.8)); }
}

.logo-text {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 3.5rem;
  letter-spacing: -1px;
  background: var(--gradient-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-transform: uppercase;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 25px;
}

/* GitHub Icon Link */
.github-link {
  position: absolute;
  top: 20px;
  right: 20px;
  color: var(--text-muted);
  transition: var(--transition-smooth);
  padding: 8px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.github-link:hover {
  color: var(--accent-pink);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-glow);
}

/* =========================================
   Controls (Search & Filter)
   ========================================= */
.controls {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

@media (max-width: 600px) {
  .controls {
    grid-template-columns: 1fr;
  }
}

.search-wrapper,
.select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 16px;
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

.select-chevron {
  position: absolute;
  right: 16px;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

input, select {
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition-smooth);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

input {
  padding-left: 48px;
}

select {
  appearance: none;
  cursor: pointer;
}

select:focus, input:focus {
  border-color: var(--accent-pink);
  box-shadow: 0 0 0 3px rgba(255, 42, 109, 0.15), inset 0 2px 4px rgba(0,0,0,0.1);
  background: rgba(0, 0, 0, 0.3);
}

select option {
  background-color: #1a1e2b;
  color: white;
}

/* =========================================
   Song List
   ========================================= */
.results-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  padding: 0 5px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.song-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.song-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
  animation: slideIn 0.3s ease-out forwards;
}

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

.song-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateX(4px);
  box-shadow: -4px 0 0 var(--accent-pink);
}

.song-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.song-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
}

.song-version {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.badge-country {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.song-platforms {
  display: flex;
  align-items: center;
  gap: 10px;
}

.platform-logo {
  height: 20px;
  width: auto;
  opacity: 0.8;
  transition: var(--transition-fast);
}

.song-item:hover .platform-logo {
  opacity: 1;
  filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.3));
}

/* Contains specific widths for specific logos to normalize them */
.logo-ps2 { width: auto; height: 28px; }
.logo-ps3 { width: auto; height: 24px; }

/* =========================================
   Empty State
   ========================================= */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state svg {
  color: rgba(255, 255, 255, 0.1);
  margin-bottom: 15px;
}

.empty-state.hidden {
  display: none;
}

/* Responsive adjustments */
@media (max-width: 500px) {
  .logo-text { font-size: 2.5rem; }
  .glass-panel { padding: 25px 20px; }
  
  .song-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .song-platforms {
    width: 100%;
    justify-content: flex-end;
  }
}