/* GBRINKS KARAOKÊ - Design System & Styles */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --font-heading: 'Outfit', system-ui, -apple-system, sans-serif;

  /* Cores Principais GBRINKS */
  --bg-dark: #07090e;
  --bg-card: rgba(18, 22, 33, 0.75);
  --bg-card-hover: rgba(30, 37, 54, 0.85);
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-highlight: rgba(0, 240, 255, 0.4);

  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-subtle: #64748B;

  --accent-cyan: #00F0FF;
  --accent-orange: #F97316;
  --accent-pink: #EC4899;
  --accent-purple: #8B5CF6;
  --accent-blue: #3B82F6;

  --gbrinks-gradient: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 35%, var(--accent-pink) 70%, var(--accent-orange) 100%);
  --glow-cyan: 0 0 15px rgba(0, 240, 255, 0.35);
  --glow-orange: 0 0 15px rgba(249, 115, 22, 0.35);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;

  --shadow-main: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(59, 130, 246, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 90% 90%, rgba(249, 115, 22, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
  background-attachment: fixed;
}

/* Header & Banner */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  padding: 16px 24px;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: var(--gbrinks-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--glow-orange);
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gbrinks-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent-cyan);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Main Container */
.main-content {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px 40px;
}

/* Search Bar Section */
.search-section {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-main);
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 16px;
  color: var(--accent-cyan);
  font-size: 18px;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 14px 48px 14px 46px;
  background: rgba(10, 13, 20, 0.8);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-primary);
  font-size: 15px;
  outline: none;
  transition: all 0.3s ease;
}

.search-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: var(--glow-cyan);
}

.search-input::placeholder {
  color: var(--text-subtle);
}

.clear-btn {
  position: absolute;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  display: none;
}

.clear-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
}

/* Filter Bar & Controls */
.controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.nav-tabs {
  display: flex;
  gap: 8px;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 6px;
}

.tab-btn.active, .tab-btn:hover {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.stats-badge {
  font-size: 13px;
  color: var(--text-muted);
}

.stats-count {
  color: var(--accent-orange);
  font-weight: 700;
}

/* Table View (Desktop) */
.catalog-table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-main);
  display: block;
}

.catalog-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.catalog-table th {
  background: rgba(10, 13, 20, 0.9);
  padding: 16px 20px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  border-bottom: 1px solid var(--border-glass);
}

.catalog-table td {
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 14px;
}

.catalog-table tbody tr {
  transition: background 0.2s ease;
}

.catalog-table tbody tr:hover {
  background: var(--bg-card-hover);
}

/* Song Code Badge */
.code-badge {
  display: inline-block;
  background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 14px;
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 1px;
  box-shadow: 0 2px 8px rgba(249, 115, 22, 0.3);
}

.song-title {
  font-weight: 700;
  color: var(--text-main);
  font-size: 15px;
}

.artist-name {
  color: var(--text-muted);
  font-weight: 500;
}

.lyric-preview {
  color: var(--text-subtle);
  font-style: italic;
  font-size: 13px;
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: color 0.2s ease;
}

.lyric-preview:hover {
  color: var(--accent-cyan);
  text-decoration: underline;
}

/* Action Buttons */
.action-btn {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--accent-cyan);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.action-btn:hover {
  background: var(--accent-cyan);
  color: #000;
  box-shadow: var(--glow-cyan);
}

.fav-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.fav-btn.active, .fav-btn:hover {
  color: #EF4444;
  border-color: #EF4444;
  background: rgba(239, 68, 68, 0.15);
}

/* Mobile List Cards */
.catalog-cards {
  display: none;
  flex-direction: column;
  gap: 12px;
}

.song-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 16px;
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 6px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Pagination Bar */
.pagination-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.page-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-btn:not(:disabled):hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.page-info {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Modal de Letras */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: #0f1420;
  border: 1px solid var(--border-highlight);
  box-shadow: 0 0 40px rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 20px 24px;
  background: rgba(18, 22, 33, 0.9);
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.modal-title-area {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.modal-close {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 20px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close:hover {
  color: var(--text-main);
  background: rgba(239, 68, 68, 0.2);
  border-color: #EF4444;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-main);
  white-space: pre-wrap;
  font-family: var(--font-primary);
}

.modal-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px;
  gap: 16px;
  color: var(--accent-cyan);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(0, 240, 255, 0.2);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsividade Mobile */
@media (max-width: 768px) {
  .catalog-table-wrapper {
    display: none;
  }
  .catalog-cards {
    display: flex;
  }
  .brand-title {
    font-size: 20px;
  }
  .app-header {
    padding: 12px 16px;
  }
}