/* ==========================================================================
   KARAOKE SYSTEM - INTEGRADO AO TEMA DA ACADEMIA DE DANÇA
   ========================================================================== */

   :root {
    /* Importando a paleta de cores da academia de dança */
    --primary-color: #457b9d; /* Azul principal (era vermelho antes) */
    --primary-light: #a8dadc;
    --primary-dark: #1d3557;
    --primary-gradient: linear-gradient(135deg, #457b9d, #1d3557);
    
    --secondary-color: #457b9d; /* Azul rítmico */
    --secondary-light: #a8dadc;
    --secondary-dark: #1d3557;
    
    --accent-color: #ffd166; /* Amarelo alegre */
    --accent-dark: #ffb300;
    
    --success-color: #06d6a0;
    --warning-color: #ffd166;
    --danger-color: #ef476f;
    --light-color: #f8f9fa;
    --dark-color: #1d3557;
    
    --bg-color: #f8f9fa;
    --bg-pattern: none;
    
    --text-color: #1d3557;
    --text-light: #457b9d;
    
    /* Configurações de espaçamento */
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 15px;
    --spacing-lg: 25px;
    --spacing-xl: 40px;
    
    /* Configurações de bordas */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 15px;
    --border-radius-xl: 20px;
    --border-radius-circle: 50%;
  
    /* Sombras */
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-md: 0 6px 15px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 24px rgba(0, 0, 0, 0.12);
    
    /* Animações e transições */
    --transition-speed: 0.3s;
    --bounce-effect: cubic-bezier(0.175, 0.885, 0.32, 1.275);
  }
  
  /* ==========================================================================
     ESTILOS GERAIS
     ========================================================================== */
  
  html, body {
    width: 100%;
    height: 100vh;
    margin: 0;
    padding: 0;
    position: relative;
  }
  
  body {
    background-color: var(--bg-color);
    background-image: var(--bg-pattern);
    color: var(--text-color);
    font-family: 'Nunito', 'Segoe UI', sans-serif;
    padding-bottom: 70px;
    font-size: 16px;
    line-height: 1.6;
  }
  
  /* Quando for a página do player, o fundo deve ser preto */
  body.player-page {
    background-color: #000;
    background-image: none;
    color: white;
    padding-bottom: 0;
    overflow: hidden;
  }
  
  h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
  }
  
  .container {
    max-width: 1200px;
    padding: 0 var(--spacing-md);
  }
  
  .section-title {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-xl);
    font-weight: 800;
    color: var(--primary-color);
    text-shadow: 1px 1px 0 var(--primary-light);
  }
  
  .section-title:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 50px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-sm);
  }
  
  /* ==========================================================================
     COMPONENTES - CARDS
     ========================================================================== */
  
  .card {
    border: none;
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-speed) var(--bounce-effect), 
                box-shadow var(--transition-speed);
    overflow: hidden;
    border-top: 4px solid var(--primary-color);
    box-shadow: var(--shadow-sm);
  }
  
  .card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
  }
  
  .song-card {
    margin-bottom: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    background-color: white;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-speed) var(--bounce-effect);
  }
  
  .song-card:hover {
    transform: translateY(-5px) translateX(5px);
    box-shadow: var(--shadow-md);
  }
  
  .song-card:active {
    transform: scale(0.98);
  }
  
  .song-card .card-body {
    padding: var(--spacing-md);
  }
  
  .song-card .card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    max-height: 2.6rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    --webkit-line-clamp: 2;
    --webkit-box-orient: vertical;
    color: var(--primary-color);
  }
  
  .song-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  
  .song-card:hover img {
    transform: scale(1.05);
  }
  
  /* Status cards */
  .your-turn {
    background-color: var(--success-color);
    border-left: 4px solid var(--success-color);
    color: white;
    animation: pulse-card 2s infinite;
  }
  
  .coming-soon {
    background-color: var(--warning-color);
    border-left: 4px solid var(--warning-color);
    color: var(--dark-color);
  }
  
  @keyframes pulse-card {
    0% { box-shadow: 0 0 0 0 rgba(6, 214, 160, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(6, 214, 160, 0); }
    100% { box-shadow: 0 0 0 0 rgba(6, 214, 160, 0); }
  }
  
  /* ==========================================================================
     COMPONENTES - CONTAINERS E SEÇÕES
     ========================================================================== */
  
  .search-section, .queue-section {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    position: relative;
    border-top: 4px solid var(--primary-color);
  }
  
  .search-section:before, .queue-section:before {
    content: '';
    position: absolute;
    top: -4px;
    left: 20px;
    right: 20px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
  }
  
  .welcome-card {
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
  }
  
  .welcome-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-circle);
  }
  
  /* ==========================================================================
     COMPONENTES - BOTÕES E FORMULÁRIOS
     ========================================================================== */
  
  .btn {
    font-weight: 600;
    border-radius: var(--border-radius-md);
    padding: 12px 25px;
    transition: all var(--transition-speed) var(--bounce-effect);
    box-shadow: var(--shadow-sm);
    min-height: 44px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
  }
  
  .btn-primary {
    background: var(--primary-gradient);
    border: none;
    position: relative;
    overflow: hidden;
  }
  
  .btn-primary::after {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: -100%;
    background: linear-gradient(90deg, rgba(255,255,255,0) 0%, rgba(255,255,255,0.2) 50%, rgba(255,255,255,0) 100%);
    transition: all 0.8s;
  }
  
  .btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }
  
  .btn-primary:hover::after {
    left: 100%;
  }
  
  .btn-success {
    background-color: var(--success-color);
    border: none;
  }
  
  .btn-success:hover {
    background-color: #05b389;
    transform: translateY(-3px);
  }
  
  .btn-warning {
    background-color: var(--warning-color);
    border: none;
    color: var(--dark-color);
  }
  
  .btn-warning:hover {
    background-color: var(--accent-dark);
    transform: translateY(-3px);
  }
  
  .btn-danger {
    background-color: var(--danger-color);
    border: none;
  }
  
  .btn-danger:hover {
    background-color: #e5364f;
    transform: translateY(-3px);
  }
  
  .btn-add {
    width: 100%;
    margin-top: var(--spacing-sm);
    position: relative;
    overflow: hidden;
  }
  
  .btn-add:active {
    transform: scale(0.95);
  }
  
  .btn-add::before {
    content: "";
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.1), rgba(255,255,255,0.2), rgba(255,255,255,0.1));
    top: 0;
    left: -100%;
    transition: all 0.6s;
  }
  
  .btn-add:hover::before {
    left: 100%;
  }
  
  .refresh-fixed {
    position: fixed;
    bottom: var(--spacing-md);
    left: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 1030;
    padding: var(--spacing-xs);
  }
  
  .profile-fixed button {
    position: fixed;
    bottom: 80px;
    right: var(--spacing-md);
    z-index: 1030;
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-circle);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) var(--bounce-effect);
    background: var(--primary-gradient);
    color: white;
    border: none;
  }
  
  .profile-fixed button:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-lg);
  }
  
  .profile-fixed button i {
    font-size: 1.2rem;
  }
  
  /* Formulários */
  input, .form-control {
    min-height: 44px;
    border-radius: var(--border-radius-md);
    border: 1px solid #ced4da;
    padding: 8px 12px;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
  }
  
  input:focus, .form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(230, 57, 70, 0.25);
  }
  
  .input-group {
    border-radius: var(--border-radius-md);
  }
  
  .input-group .form-control {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
  }
  
  .input-group .btn {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
  }
  
  .form-label {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
  }
  
  /* ==========================================================================
     COMPONENTES - LISTA DE MÚSICAS
     ========================================================================== */
  
  .list-group-item {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md) !important;
    margin-bottom: var(--spacing-sm);
    border: 1px solid rgba(0,0,0,0.1);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  }
  
  .list-group-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
  }
  
  .badge {
    font-weight: 600;
    padding: 6px 10px;
    border-radius: var(--border-radius-sm);
  }
  
  /* ==========================================================================
     COMPONENTES - NOTIFICAÇÕES E TOASTS
     ========================================================================== */
  
  #toast-container {
    position: fixed;
    bottom: 70px;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: 0 var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .alert {
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    animation: slide-in 0.3s ease-out;
    margin-bottom: var(--spacing-sm);
    max-width: 90%;
    border-left: 4px solid var(--primary-color);
  }
  
  .alert-success {
    border-left-color: var(--success-color);
  }
  
  .alert-danger {
    border-left-color: var(--danger-color);
  }
  
  .alert-warning {
    border-left-color: var(--warning-color);
  }
  
  .alert-info {
    border-left-color: var(--secondary-color);
  }
  
  @keyframes slide-in {
    from {
      transform: translateY(100%);
      opacity: 0;
    }
    to {
      transform: translateY(0);
      opacity: 1;
    }
  }
  
  /* ==========================================================================
     TELA DE PLAYER
     ========================================================================== */
  
  .player-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    overflow: hidden;
  }
  
  #player {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }
  #next-info {
    position: fixed;
    top: var(--spacing-sm);  /* Mudado de bottom para top */
    right: var(--spacing-sm);
    background-color: rgba(0, 0, 0, 0.3); /* Mais transparente */
    color: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    z-index: 1000;
    max-width: 100%;
    border-left: 2px solid var(--primary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    backdrop-filter: blur(5px);
}

  @keyframes pulse {
    from {
      box-shadow: 0 0 5px rgba(230, 57, 70, 0.5);
    }
    to {
      box-shadow: 0 0 15px rgba(230, 57, 70, 0.8);
    }
  }
  
  /* ==========================================================================
     TELA DE GESTÃO - BUSCA E ADMINISTRAÇÃO
     ========================================================================== */
  
  .admin-section {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    border-top: 4px solid var(--primary-color);
  }
  
  .search-heading {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
    font-weight: 700;
  }
  
  .search-heading:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-sm);
  }
  
  .queue-table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
  }
  
  .queue-table .current-song {
    background-color: rgba(230, 57, 70, 0.1);
    font-weight: 600;
    border-left: 4px solid var(--primary-color);
  }
  
  /* ==========================================================================
     RESPONSIVIDADE
     ========================================================================== */
  
  @media (max-width: 576px) {
    :root {
      --spacing-lg: 15px;
      --spacing-xl: 20px;
    }
    
    body {
      font-size: 14px;
    }
    
    h1 {
      font-size: 1.8rem;
    }
    
    h3 {
      font-size: 1.3rem;
    }
    
    .lead {
      font-size: 1rem;
    }
    
    .welcome-card h2 {
      font-size: 1.5rem;
    }
    
    .search-section, .queue-section {
      padding: var(--spacing-md);
    }
    
    .song-card .row {
      flex-direction: row;
    }
    
    .song-card .col-4 {
      max-height: 100px;
      overflow: hidden;
    }
    
    .btn {
      padding: 8px 16px;
      font-size: 0.8rem;
    }
    
    .input-group .btn-lg, .form-control-lg {
      height: 46px;
      font-size: 1rem;
    }
    
    #next-info {
      font-size: 0.9rem;
      bottom: var(--spacing-md);
      right: var(--spacing-md);
      padding: var(--spacing-sm);
      max-width: 80%;
    }
  }
  
  /* ==========================================================================
     ANIMAÇÕES E ELEMENTOS DECORATIVOS
     ========================================================================== */
  
  /* Animações gerais */
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
  }
  
  .fade-in {
    animation: fadeIn 0.8s ease-out forwards;
  }
  
  /* Animação de destaque para música atual */
  @keyframes pulse-icon {
    0% { transform: scale(1); }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); }
  }
  
  .badge i.fas.fa-music {
    animation: pulse-icon 1.5s infinite;
  }
  
  /* Efeitos de hover especiais para botões de ação */
  .btn i {
    margin-right: 4px;
    transition: all 0.3s ease;
  }
  
  .btn-group .btn i {
    margin-right: 0;
  }
  
  .btn-outline-secondary:hover i.fas.fa-arrow-up {
    color: var (--success-color);
    transform: translateY(-2px);
  }
  
  .btn-outline-secondary:hover i.fas.fa-arrow-down {
    color: var(--warning-color);
    transform: translateY(2px);
  }
  
  .btn-outline-danger:hover i.fas.fa-trash-alt {
    color: var(--danger-color);
    transform: rotate(10deg);
  }
  
  /* Estilos para os botões de controle do player */
  .card-header .btn {
    transition: all 0.3s var(--bounce-effect);
    border: none;
    font-weight: 600;
  }
  
  .card-header .btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
  }
  
  .card-header .btn-warning {
    background: var(--warning-color);
    color: var(--dark-color);
  }
  
  .card-header .btn-warning:hover {
    background: var(--accent-dark);
  }
  
  .card-header .btn-info {
    background: var(--secondary-color);
    color: white;
  }
  
  .card-header .btn-info:hover {
    background: var(--secondary-dark);
  }
  
  .card-header .btn-light {
    background: #fff;
    color: var(--primary-color);
    border: 1px solid rgba(0,0,0,0.1);
  }
  
  .card-header .btn-light:hover {
    background: #f5f5f5;
  }
  
  /* Adicionar elementos decorativos nas seções */
  .search-section::after,
  .queue-section::after {
    content: "🎵";
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 1.5rem;
    opacity: 0.15;
  }
  
  .search-section::after {
    content: "🎤";
  }
  
  /* Estilos especiais para a página do player */
  body.player-page #next-info {
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
  }
  
  body.player-page #next-info strong {
    color: var(--primary-light);
    display: block;
    margin-bottom: 5px;
  }