:root {
  --bg-primary: #0f1117;
  --bg-secondary: #1a1d27;
  --bg-panel: #232736;
  --text-main: #f0f3f6;
  --text-muted: #8b949e;
  --accent-color: #00d26a;
  --accent-glow: rgba(0, 210, 106, 0.35);
  --border-color: #30363d;
  --danger-color: #f85149;
  --warn-color: #e3b341;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-family);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header mestre */
.app-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.app-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-title h1 {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.5px;
}

.header-controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* Botoes e controles */
.btn {
  background-color: var(--bg-panel);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.btn:hover {
  background-color: #2d3345;
  border-color: #58a6ff;
}

.btn-primary {
  background-color: #238636;
  border-color: #2ea043;
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #2ea043;
}

.btn-danger {
  background-color: #b62324;
  border-color: #da3633;
}

.btn-danger:hover {
  background-color: #da3633;
}

/* Container de Iframes / Split view */
.main-view-container {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px;
  background-color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.main-view-container.view-detector-only {
  grid-template-columns: 1fr;
}
.main-view-container.view-detector-only .iframe-card:nth-child(2) {
  display: none;
}

.main-view-container.view-bolinhas-only {
  grid-template-columns: 1fr;
}
.main-view-container.view-bolinhas-only .iframe-card:nth-child(1) {
  display: none;
}

/* Cards com iframe */
.iframe-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.card-header {
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
}

.card-body {
  flex: 1;
  position: relative;
  width: 100%;
  height: 100%;
}

.card-body iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Estilos internos para detector.html e bolinhas.html */
.module-container {
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  position: relative;
  background: #000;
  overflow: hidden;
}

/* Canvas de video / desenho */
.viewport-wrapper {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  overflow: hidden;
}

.viewport-wrapper video {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
}

.viewport-wrapper canvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* No visualizador de bolinhas, o canvas deve expandir e preencher 100% da área sem margens */
#canvas-container {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
}

#canvas-container canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* HUD flutuante para o detector */
.hud-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 17, 23, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: monospace;
  font-size: 0.82rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
  pointer-events: none;
  z-index: 10;
}

.hud-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.hud-val {
  font-weight: bold;
  color: #58a6ff;
}

.hud-val.active {
  color: var(--accent-color);
  text-shadow: 0 0 8px var(--accent-glow);
}

/* Indicador visual de piscada */
.blink-indicator {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid #58a6ff;
  background: rgba(88, 166, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: all 0.1s ease;
  z-index: 10;
}

.blink-indicator.closed {
  background: var(--accent-color);
  border-color: #fff;
  box-shadow: 0 0 20px var(--accent-color);
  transform: scale(1.15);
}

/* Painel de controle inferior */
.control-bar {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.85rem;
  flex-shrink: 0;
  z-index: 20;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.control-group label {
  color: var(--text-muted);
}

.control-group input[type="range"] {
  accent-color: #2ea043;
  cursor: pointer;
}

/* Responsividade mobile / telas menores */

/* =========================================================
   MELHORIAS DE RESPONSIVIDADE E INTERAÇÃO MOBILE
   ========================================================= */

/* Botões com área de toque mínima confortável (44px) */
.btn {
  min-height: 38px;
  touch-action: manipulation;
  user-select: none;
}



.hud-overlay.collapsed {
  display: none !important;
}

/* Responsividade Mobile e Telas Verticais (Smartphones e Tablets em retrato) */
@media (max-width: 820px), (orientation: portrait) and (max-width: 1024px) {
  body {
    height: 100dvh; /* Garante altura exata desconsiderando barra de endereço do navegador móvel */
  }

  /* Header em formato compacto */
  .app-header {
    padding: 6px 10px;
    flex-wrap: wrap;
    gap: 6px;
  }

  .app-title {
    gap: 8px;
  }

  .app-title h1 {
    font-size: 0.88rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .header-controls {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none; /* Firefox */
  }

  .header-controls::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
  }

  .header-controls .btn {
    white-space: nowrap;
    padding: 5px 9px;
    font-size: 0.74rem;
    min-height: 32px;
    flex-shrink: 0;
  }

  /* Layout Mobile: Câmera na parte superior e Bolinhas na parte inferior */
  .main-view-container {
    display: flex;
    flex-direction: column;
    grid-template-columns: none;
    grid-template-rows: none;
    padding: 4px;
    gap: 6px;
    height: calc(100% - 50px);
  }

  .main-view-container.view-detector-only #card-detector {
    flex: 1 1 100%;
    height: 100%;
    display: flex;
  }
  .main-view-container.view-detector-only #card-bolinhas {
    display: none !important;
  }

  .main-view-container.view-bolinhas-only #card-bolinhas {
    flex: 1 1 100%;
    height: 100%;
    display: flex;
  }
  .main-view-container.view-bolinhas-only #card-detector {
    display: none !important;
  }

  .iframe-card {
    flex: 1 1 50%;
    min-height: 0; /* Essencial para flexbox não transbordar no mobile */
    height: 50%;
  }

  /* Ordem estrita: Câmera (detector) em cima, Bolinhas embaixo */
  #card-detector {
    order: 1;
  }

  #card-bolinhas {
    order: 2;
  }

  .card-header {
    padding: 4px 8px;
    font-size: 0.75rem;
  }

  .card-header span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 70%;
  }

  .card-header .btn {
    padding: 2px 6px;
    min-height: 24px;
    font-size: 0.7rem;
  }

  /* HUD flutuante no mobile */
  .hud-overlay {
    top: 6px;
    left: 6px;
    max-width: 200px;
    padding: 6px 8px;
    font-size: 0.72rem;
    gap: 3px;
    border-radius: 6px;
  }

  .hud-item {
    gap: 8px;
  }

  /* Barra de controle inferior adaptável */
  .control-bar {
    padding: 6px 8px;
    gap: 6px;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
    scrollbar-width: none;
  }

  .control-bar::-webkit-scrollbar {
    display: none;
  }

  .control-bar .btn {
    min-height: 32px;
    padding: 4px 8px;
    font-size: 0.75rem;
  }

  .control-group {
    font-size: 0.75rem;
    flex-shrink: 0;
    gap: 6px;
  }

  .control-group input[type="range"] {
    width: 65px;
  }

  #select-camera {
    max-width: 120px !important;
    font-size: 0.75rem;
  }

  /* Indicador visual de piscada menor em tela pequena */
  .blink-indicator {
    top: 6px;
    right: 6px;
    width: 34px;
    height: 34px;
    font-size: 1rem;
  }
}