/* Base */
html {
  font-family: 'Roboto', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  background-color: var(--bg-light);
  color: var(--text-dark);
}

:root {
  --header-height: 64px;
  --sidebar-width: 300px;
  --gap: 12px;

  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  --secondary: #f97316;
  --green: #16a34a;
  --purple: #7c3aed;
  --red: #ef4444;

  --text-light: #f8fafc;
  --text-dark: #0f172a;

  --bg-light: #f1f5f9;
  --bg-white: #ffffff;
  --bg-dark: #e2e8f0;

  --border-light: #cbd5e1;
  --border-dark: #94a3b8;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-md:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  --transition: all 0.2s ease-in-out;
}

* {
  box-sizing: border-box;
}
hr {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--border-light);
}
div > div > table {
  width: 100%;
  margin: 0;
  border-spacing: 0;
}
td > p {
  margin: 0;
}
#TextoCentral {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  text-align: left;
  background: var(--bg-white);
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 10;
  box-shadow: var(--shadow);
}

#logo {
  height: 44px;
  width: auto;
  max-width: 55vw;
}

#acoesTopo {
  margin-left: auto;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

/* Botões (mantendo <b> por compatibilidade com o JS existente) */
#btn,
#btnSimular,
#btnValidar,
#btnLimpar {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-light);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  font-weight: 500;
  transition: var(--transition);
  border: none;
  box-shadow: var(--shadow);
}
#btn {
  background-color: var(--green);
}
#btnSimular {
  background-color: var(--purple);
}
#btnValidar {
  background-color: var(--secondary);
}
#btnLimpar {
  background-color: var(--red);
}

#btn:hover,
#btnSimular:hover,
#btnValidar:hover,
#btnLimpar:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
}

#btn:active,
#btnSimular:active,
#btnValidar:active,
#btnLimpar:active {
  transform: translateY(0);
  filter: brightness(1);
}

/* Lixeira (drop zone) */
#trashBin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--bg-light);
  border: 2px dashed var(--border-dark);
  cursor: pointer;
  user-select: none;
  font-size: 20px;
  line-height: 1;
  color: var(--text-dark);
  transition: var(--transition);
}
#trashBin:hover {
  background: #fecaca;
  border-color: #ef4444;
  transform: scale(1.1);
}
#trashBin.pb-trash--over {
  background: #fecaca;
  border-color: #ef4444;
  transform: scale(1.1);
}

/* Grupo Undo/Redo */
.undo-redo-group {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}

#btnUndo,
#btnRedo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: var(--primary);
  color: var(--text-light);
  cursor: pointer;
  user-select: none;
  font-size: 16px;
  line-height: 1;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

#btnUndo:hover:not(.disabled),
#btnRedo:hover:not(.disabled) {
  background: var(--primary-light);
  transform: translateY(-2px);
}

#btnUndo:active:not(.disabled),
#btnRedo:active:not(.disabled) {
  transform: translateY(0);
}

#btnUndo.disabled,
#btnRedo.disabled {
  background: var(--border-light);
  color: var(--border-dark);
  cursor: not-allowed;
  box-shadow: none;
}

/* Blocos menores na lateral*/
#lateral .sidebar-section > p {
  width: 88% !important;
  padding: 8px 10px !important;
  margin-bottom: 8px !important;
}

/* Estilo base para TODOS os blocos na sidebar */
#lateral p {
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  transition: var(--transition);
  cursor: grab;
}

#lateral p:hover {
  transform: translateX(4px);
  filter: brightness(1.1);
}

/* Grid de operadores na Sidebar */
.operator-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 88%;
}

#lateral .operator-grid p {
  flex: 1 1 calc(25% - 6px); /* 4 colunas com gap de 8px (3 gaps) */
  text-align: center;
  margin: 0 !important; /* Reseta a margem para consistência */
  padding: 8px 10px !important; /* Garante o mesmo padding */
  box-sizing: border-box;
}

.sidebar-section {
  margin-bottom: 16px;
}
.sidebar-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-dark);
  opacity: 0.7;
  margin: 0 0 8px 4px;
  letter-spacing: 0.5px;
}

/* Blocos do workspace */
.pb-wblock {
  display: block;
  padding: 10px 12px !important;
  border-radius: 8px !important;
  margin: 0 0 10px 0 !important;
  color: white;
  font-size: 13px;
  font-weight: 500;
  cursor: grab;
  user-select: none;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.pb-wblock:active {
  cursor: grabbing;
  box-shadow: var(--shadow-md);
  transform: scale(1.02);
}
.pb-wblock.pb-drop-target {
  outline: 2px dashed var(--primary);
  outline-offset: 2px;
}

/* Layout principal */
#app {
  padding-top: var(--header-height);
  min-height: 100vh;
}

#content {
  display: flex;
  gap: var(--gap);
  padding: var(--gap);
  align-items: flex-start;
}

#lateral {
  flex: 0 0 var(--sidebar-width);
  max-width: var(--sidebar-width);
  overflow-y: auto;
  max-height: calc(100vh - var(--header-height) - (2 * var(--gap)));
  padding-right: 6px;
}

#meio {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  gap: var(--gap);
}

#blocos1,
#blocos2 {
  flex: 1 1 0;
  min-width: 280px;
  max-height: calc(100vh - var(--header-height) - (2 * var(--gap)));
  background: var(--bg-white);
  padding: var(--gap);
  border-radius: 12px;
  box-shadow: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);
  overflow-y: auto;
}

/* Responsividade */
@media (max-width: 980px) {
  :root {
    --sidebar-width: 260px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 92px;
  }

  #TextoCentral {
    align-items: flex-start;
    flex-direction: column;
  }
  #acoesTopo {
    margin-left: 0;
    width: 100%;
    justify-content: flex-start;
  }
  #btn,
  #btnDownload,
  #btnSimular,
  #btnValidar {
    width: 100%;
    text-align: center;
  }

  #trashBin {
    width: 100%;
  }

  #content {
    flex-direction: column;
  }

  #lateral {
    flex: 1 1 auto;
    max-width: 100%;
    max-height: 40vh;
    padding-right: 0;
    border-top: 1px solid var(--border-light);
  }

  #meio {
    flex-direction: column;
  }
  #blocos1,
  #blocos2 {
    min-width: 0;
    max-height: 45vh;
  }
}

/* ------------------------------
   Modal (Simulador + Validação)
------------------------------ */
.pb-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pb-hidden {
  display: none;
}

.pb-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.pb-modal__panel {
  position: relative;
  /* margin: 24px auto; */
  width: min(1100px, calc(100% - 24px));
  max-height: calc(100vh - 48px);
  background: var(--bg-white);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
}

.pb-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-light);
}

.pb-modal__title {
  font-weight: 700;
  font-size: 16px;
}

.pb-modal__x {
  border: 0;
  background: transparent;
  font-size: 18px;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 10px;
  transition: var(--transition);
}
.pb-modal__x:hover {
  background: var(--bg-dark);
}

.pb-modal__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-light);
  align-items: center;
  background: var(--bg-light);
}

.pb-modal__controls button,
.pb-modal__controls select {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: var(--bg-white);
  cursor: pointer;
  font-weight: 500;
  transition: var(--transition);
}

.pb-modal__controls button:hover {
  background: var(--bg-dark);
  border-color: var(--border-dark);
}

.pb-modal__speed {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-size: 14px;
}

.pb-modal__grid {
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
  overflow: auto;
}

.pb-modal__sectionTitle {
  font-weight: 700;
  margin: 0 0 8px;
}

.pb-modal__code,
.pb-modal__vars,
.pb-modal__out {
  margin: 0;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: #f8fafc; /* slate-50 */
  overflow: auto;
  min-height: 140px;
  line-height: 1.45;
  font-family: 'Courier New', Courier, monospace;
}

.pb-modal__hint {
  margin-top: 10px;
  font-size: 12px;
  color: #475569; /* slate-600 */
}

/* Linhas do código com numeração + destaque */
.pb-line {
  display: block;
  padding: 2px 6px;
  border-radius: 6px;
}
.pb-line__no {
  display: inline-block;
  width: 36px;
  opacity: 0.6;
  user-select: none;
}
.pb-line--active {
  background: #fef08a; /* yellow-200 */
}

@media (max-width: 768px) {
  .pb-modal__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  :root {
    --gap: 10px;
  }
  #logo {
    max-width: 90vw;
  }
}
/* Tokens (operadores) no workspace: menores e mais "inline" */
.pb-token {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 8px;
  width: auto;
  min-width: 0;
  min-height: 0;
  margin: 3px;
  font-size: 14px;
  line-height: 1.1;
  font-weight: 500;
}

/* Pré-visualização do código */
.pb-code-preview {
  white-space: pre-wrap;
  word-break: break-word;
  padding: 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid #e6e6e6;
  max-height: 70vh;
  overflow: auto;
}

/* Estilos para o workspace e seu estado vazio */
#blocos1 {
  min-height: 50vh;
  position: relative; /* Para posicionar o placeholder */
}

.workspace-placeholder {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--border-dark);
  font-size: 16px;
  font-weight: 500;
  text-align: center;
  padding: 20px;
  max-width: 250px;
  user-select: none;
}

#blocos1.is-empty .workspace-placeholder {
  display: block;
}

/* Dropdown Container */
.dropdown {
  position: relative;
  display: inline-block;
}

/* Dropdown Button (Ações) */
#btnAcoes {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--text-light); /* Reverted to text-light */
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  font-weight: 500;
  transition: var(--transition); /* Use general transition for consistency */
  border: none;
  box-shadow: var(--shadow); /* Reverted shadow */
  background-color: var(--primary); /* Blue background */
}

#btnAcoes:hover {
  filter: brightness(1.1); /* Keep brightness change on hover */
  transform: none; /* Removed transform (no jump) */
}

#btnAcoes:active {
  filter: brightness(1); /* Revert brightness on active */
  transform: none; /* Removed transform (no jump) */
}

/* Dropdown Content (Hidden by Default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--bg-white);
  min-width: 160px;
  box-shadow: var(--shadow-md);
  border-radius: 8px;
  z-index: 101; /* Above other elements */
  right: 0; /* Align to the right of the button */
  top: 100%; /* Position below the button */
  padding: 8px 0;
}

/* Links inside the dropdown */
.dropdown-content b {
  color: var(--text-dark);
  padding: 10px 16px;
  text-decoration: none;
  display: block;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.2s ease;
  font-weight: 400; /* Lighter than button text */
}

/* Change color of dropdown links on hover */
.dropdown-content b:hover {
  background-color: var(--bg-dark);
}

/* Show the dropdown menu on hover or when JavaScript activates it */
.dropdown-content.show {
  display: block;
}

/* Media queries for responsiveness */
@media (max-width: 768px) {
  #btnAcoes {
    width: 100%;
    text-align: center;
  }
  .dropdown-content {
    left: 0;
    right: auto;
    width: 100%;
  }
}