/* =============================================== */
/* VÁRIAVEIS GLOBAIS (ROOT)
/* =============================================== */
:root {
  --bg-body: #2d3035;
  --bg-toolbar: #3b3f45;
  --bg-editor: #33373d;
  --border-color: #232529;
  --text-light: #c0c0c0;
  --text-dark: #888;
  --accent-green: #2ecc71;
  --accent-red: #d9534f;
}

/* =============================================== */
/* ESTILOS GLOBAIS E LAYOUT PRINCIPAL
/* =============================================== */
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  background-color: var(--bg-body);
  color: var(--text-light);
  padding-left: 300px;
  transition: padding-left .3s ease;
}

body.sidebar-hidden {
  padding-left: 0;
}

body.knob-dragging {
  cursor: ns-resize;
}

.main-content {
  padding: 2rem;
}

/* =============================================== */
/* BARRA LATERAL (SAMPLE BROWSER)
/* =============================================== */
.sample-browser {
  position: fixed;
  top: 0;
  left: 0;
  width: 300px;
  height: 100vh;
  background-color: var(--bg-toolbar);
  border-right: 2px solid var(--border-color);
  z-index: 1500;
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform .3s ease;
}

body.sidebar-hidden .sample-browser {
  transform: translateX(-100%);
}

.browser-header {
  padding: 15px;
  background-color: #2a2c30;
  border-bottom: 2px solid var(--border-color);
  text-align: center;
  font-weight: bold;
  color: var(--text-light);
}

.browser-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: 10px;
}

.browser-content ul {
  list-style: none;
  padding-left: 15px;
}

.browser-content li {
  padding: 5px;
  cursor: pointer;
  border-radius: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  user-select: none;
}

.browser-content li:hover {
  background-color: var(--bg-editor);
}

.browser-content li i {
  margin-right: 8px;
  width: 12px;
  color: var(--text-dark);
  transition: transform .2s;
}

.browser-content li.directory > ul {
  display: none;
}

.browser-content li.directory.open > ul {
  display: block;
}

.browser-content li.directory.open > .fa-folder {
  transform: rotate(90deg);
}

#sidebar-toggle {
  position: fixed;
  top: 60px;
  left: 305px;
  z-index: 1400;
  background-color: var(--bg-toolbar);
  border: 1px solid var(--border-color);
  color: var(--text-light);
  width: 25px;
  height: 40px;
  cursor: pointer;
  border-top-right-radius: 4px;
  border-bottom-right-radius: 4px;
  transition: left .3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.sidebar-hidden #sidebar-toggle {
  left: 5px;
}

/* =============================================== */
/* BARRA DE FERRAMENTAS GLOBAL
/* =============================================== */
.global-toolbar {
  padding: 8px 15px;
  position: fixed;
  top: 0;
  /* Removido width 100% para se adaptar ao padding do body */
  left: 300px;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 20px;
  background-color: var(--bg-toolbar);
  border-bottom: 2px solid var(--border-color);
  transition: left .3s ease;
}

body.sidebar-hidden .global-toolbar {
  left: 0;
}


/* =============================================== */
/* EDITOR DE BATIDAS (BEAT EDITOR)
/* =============================================== */
.beat-editor {
  background-color: var(--bg-body);
  border: 1px solid var(--border-color);
  width: 100%;
  max-width: 900px;
  margin: auto;
  box-shadow: 0 5px 15px rgba(0, 0, 0, .3);
  border-radius: 4px;
  overflow: hidden;
}

.editor-header {
  background-color: var(--bg-toolbar);
  padding: 4px 10px;
  font-size: .8rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.window-controls i {
  margin-left: 12px;
  cursor: pointer;
}

.editor-toolbar {
  background-color: var(--bg-toolbar);
  padding: 5px 10px;
  display: flex;
  align-items: center;
  gap: 15px;
  border-bottom: 2px solid var(--border-color);
}

.editor-toolbar i {
  cursor: pointer;
  padding: 5px;
  border-radius: 3px;
}

.editor-toolbar i.enabled {
  background-color: var(--bg-body);
  box-shadow: inset 0 0 2px #000;
}

.pattern-selector {
  background-color: var(--bg-body);
  padding: 5px 15px;
  border: 1px solid var(--border-color);
  flex-grow: 1;
  font-size: .9rem;
  border-radius: 2px;
}

/* =============================================== */
/* FAIXAS (TRACK LANES) E SEQUENCIADOR
/* =============================================== */
.track-lane {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  background-color: var(--bg-editor);
  border: 2px dashed transparent;
  transition: border-color 0.2s;
}

.track-lane.drag-over {
  border-color: var(--accent-green);
}

.track-info {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 180px;
  flex-shrink: 0;
}

.track-info .fa-gear {
  font-size: 1.2rem;
  cursor: pointer;
}

.track-mute {
  width: 25px;
  height: 12px;
  background-color: var(--accent-green);
  border-radius: 6px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  box-shadow: inset 0 0 2px #000;
}

.track-name {
  color: var(--accent-red);
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-controls {
  display: flex;
  gap: 5px;
  margin: 0 10px;
  padding-left: 10px;
  border-left: 1px solid var(--bg-toolbar);
}

.knob-container {
  text-align: center;
  font-size: .7rem;
  color: var(--text-dark);
}

.knob {
  width: 28px;
  height: 28px;
  background-color: var(--bg-toolbar);
  border-radius: 50%;
  border: 1px solid var(--border-color);
  margin-bottom: 2px;
  cursor: grab;
  box-shadow: inset 0 0 4px #222;
  position: relative;
}

.knob:active {
  cursor: grabbing;
}

.knob-indicator {
  width: 2px;
  height: 8px;
  background-color: var(--text-light);
  position: absolute;
  top: 2px;
  left: 50%;
  transform-origin: bottom center;
  transform: translateX(-50%) rotate(0deg);
  border-radius: 1px;
}

.step-sequencer {
  display: flex;
  flex-grow: 1;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.step-sequencer::-webkit-scrollbar {
  height: 8px;
}

.step-sequencer::-webkit-scrollbar-track {
  background: var(--border-color);
  border-radius: 4px;
}

.step-sequencer::-webkit-scrollbar-thumb {
  background: var(--bg-toolbar);
  border-radius: 4px;
}

.step-sequencer::-webkit-scrollbar-thumb:hover {
  background: #555;
}

.step-wrapper {
  position: relative;
}

.step-marker {
  position: absolute;
  top: -16px;
  left: 1px;
  font-size: .6rem;
  color: var(--text-dark);
}

.step {
  width: 28px;
  aspect-ratio: 1 / 1;
  background-color: #2a2a2a;
  border: 1px solid #4a4a4a;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color .1s, transform 0.1s;
  flex-shrink: 0; /* Impede que os steps encolham */
}

.step-dark {
  background-color: #1e1e1e;
}

.step:hover {
  background-color: #555;
  border-color: #888;
}

.step.active {
  background-color: var(--accent-green);
  border: 1px solid #fff;
  box-shadow: 0 0 8px var(--accent-green);
}

.step.playing {
  transform: scale(1.1);
  box-shadow: inset 0 0 8px rgba(255, 255, 255, 0.8);
}

/* =============================================== */
/* CONTROLES E INPUTS
/* =============================================== */
.interactive-input-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.compasso-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.value-input {
  background: 0 0;
  border: 0;
  outline: 0;
  color: var(--accent-green);
  font-weight: 700;
  font-size: 1.4rem;
  font-family: Courier New, Courier, monospace;
  text-align: center;
  padding: 0;
  width: 55px;
}

.compasso-input {
  width: 25px;
}

.compasso-separator {
  color: var(--accent-green);
  font-weight: 700;
  font-size: 1.4rem;
  font-family: Courier New, Courier, monospace;
  margin: 0 2px;
}

.value-input::-webkit-outer-spin-button,
.value-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.value-input[type=number] {
  -moz-appearance: textfield;
}

.adjust-btn {
  background: 0 0;
  border: 0;
  color: var(--text-dark);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0 5px;
  transition: color .2s;
  line-height: 1;
}

.adjust-btn:hover {
  color: #fff;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 0 10px;
}

.control-group i {
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-light);
  transition: color .2s;
}

.control-group i:hover {
  color: #fff;
}

.fa-play,
.fa-pause {
  color: var(--accent-green) !important;
}

.divider {
  width: 1px;
  height: 25px;
  background-color: var(--border-color);
}

.info-display-group {
  display: flex;
  align-items: center;
  gap: 5px;
}

.info-display {
  background-color: #1a1c1e;
  padding: 5px 8px;
  border-radius: 3px;
  text-align: center;
}

.info-display .label {
  color: var(--text-dark);
  font-size: .6rem;
  text-transform: uppercase;
}

.spacer {
  flex-grow: 1;
}

#metronome-btn {
  background: 0 0;
  border: 1px solid var(--text-dark);
  color: var(--accent-green);
  font-family: inherit;
  font-weight: 700;
  font-size: .8rem;
  padding: 5px 10px;
  border-radius: 3px;
  cursor: pointer;
  transition: all .2s;
}

#metronome-btn:hover {
  border-color: var(--text-light);
  background-color: var(--bg-editor);
}

#metronome-btn.active {
  background-color: var(--accent-green);
  color: var(--bg-body);
  border-color: var(--accent-green);
}

/* =============================================== */
/* MODAL (CAIXA DE DIÁLOGO)
/* =============================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s 0.3s, opacity 0.3s;
}

.modal-overlay.visible {
  visibility: visible;
  opacity: 1;
  transition: visibility 0s, opacity 0.3s;
}

.modal-content {
  background-color: var(--bg-body);
  padding: 1.5rem 2rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  width: 100%;
  max-width: 500px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 1.5rem;
  color: var(--text-dark);
  cursor: pointer;
  border: none;
  background: none;
}

.modal-close:hover {
  color: var(--text-light);
}

.modal-title {
  margin-top: 0;
  margin-bottom: 1.5rem;
  color: var(--text-light);
  text-align: center;
}

.modal-section {
  margin-bottom: 1.5rem;
}

.modal-section h3 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  border-bottom: 1px solid var(--bg-toolbar);
  padding-bottom: 0.5rem;
}

.modal-button {
  background-color: var(--bg-toolbar);
  color: var(--text-light);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
  transition: background-color 0.2s, border-color 0.2s;
  width: 100%;
}

.modal-button:hover {
  background-color: #4a4f57;
  border-color: #333;
}

#server-projects-list .project-item {
  background-color: var(--bg-editor);
  padding: 10px 15px;
  border-radius: 4px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: background-color 0.2s;
}

#server-projects-list .project-item:hover {
  background-color: var(--bg-body);
  color: #fff;
}


/* =============================================== */
/* ESTILOS RESPONSIVOS
/* =============================================== */

/* Para telas menores como laptops pequenos e tablets grandes */
@media (max-width: 992px) {
  .main-content {
      padding: 1.5rem; /* Reduz o padding */
  }

  .beat-editor {
      max-width: 100%; /* Permite que o editor use mais espaço */
  }
}


/* Para tablets e celulares */
@media (max-width: 768px) {
  body {
      padding-left: 0 !important; /* Remove o padding fixo, !important para garantir */
  }

  .main-content {
      padding: 1rem;
  }

  /* A sidebar agora se sobrepõe ao conteúdo e fica escondida por padrão */
  .sample-browser {
      transform: translateX(-100%);
      width: 280px; /* Pode diminuir um pouco a largura */
  }

  /* Quando a sidebar for aberta, ela volta a posição original */
  body:not(.sidebar-hidden) .sample-browser {
      transform: translateX(0);
  }
  
  #sidebar-toggle {
      left: 5px; /* Posição fixa do botão */
  }

  /* A toolbar global agora ocupa 100% da largura */
  .global-toolbar {
      left: 0;
      padding-left: 45px; /* Espaço para o botão do menu */
  }

  /* Quebra a linha dos itens da toolbar se não couberem */
  .editor-toolbar,
  .control-group {
      flex-wrap: wrap;
      gap: 10px;
  }

  /* Reorganiza a track para um layout vertical */
  .track-lane {
      flex-direction: column;
      align-items: stretch; /* Itens ocupam 100% da largura */
      gap: 15px;
      padding: 15px;
  }
  
  .track-info,
  .track-controls {
      width: 100%;
  }

  .track-controls {
      border-left: none;
      padding-left: 0;
      justify-content: space-around; /* Distribui melhor os knobs */
  }

  .step-sequencer {
      width: 100%;
  }

  /* Ajusta o modal para telas pequenas */
  .modal-content {
      max-width: 90vw;
      padding: 1.5rem 1rem;
  }
}