/* ==========================================================================
   1. DEFINIÇÕES GLOBAIS E VARIÁVEIS DE TEMA
   ========================================================================== */
:root {
  /* Tema Escuro (Padrão) */
  --bg-color: #18181b;
  --surface-color: #23232b;
  --surface-light: #2a2a2e;
  --primary-color: #a855f7;
  --primary-variant-color: #9333ea;
  --secondary-color: #2dd4bf;
  --on-surface-color: #e5e7eb;
  --on-surface-secondary-color: #9ca3af;
  --border-color: #374151;
  --danger-color: #f43f5e;
  --success-color: #2ecc71;
  --btn-text-color: #ffffff;
  --input-bg-color: #1f2937;
  --input-border-color: #4b5563;
  --focus-ring-color: rgba(163, 122, 234, 0.25);
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  --ripple-color: rgba(255, 255, 255, 0.2);
  --hover-overlay: rgba(0, 0, 0, 0.05);
  --active-overlay: rgba(0, 0, 0, 0.1);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.14);
  --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.16);
  /* Acessibilidade */
  --focus-ring-width: 3px;
  --focus-ring-offset: 2px;
  --min-touch-target: 44px;
  --min-tap-highlight: rgba(0, 0, 0, 0.1);
}

body.light-mode {
  /* Tema Claro */
  --bg-color: #f7fafc;
  --surface-color: #ffffff;
  --surface-light: #fdfdff;
  --primary-color: #7e22ce;
  --primary-variant-color: #6b21a8;
  --secondary-color: #0d9488;
  --on-surface-color: #111827;
  --on-surface-secondary-color: #4b5563;
  --border-color: #d1d5db;
  --danger-color: #be123c;
  --success-color: #27ae60;
  --btn-text-color: #ffffff;
  --input-bg-color: #ffffff;
  --input-border-color: #d1d5db;
  --focus-ring-color: rgba(126, 34, 206, 0.25);
}

/* ==========================================================================
     2. RESET, SCROLLBAR E PADRÕES GLOBAIS
     ========================================================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  /* Define a base para unidades 'rem' */
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  color: var(--on-surface-color);
  padding-top: 70px;
  line-height: 1.6;

  /* Animated Background */
  background: linear-gradient(-45deg, #0f172a, #1e1b4b, #312e81, #1e1b4b);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

/* Glassmorphism Classes */
.glass {
  background: rgba(35, 35, 43, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

body.light-mode {
  background: linear-gradient(-45deg, #f0f9ff, #e0f2fe, #bfdbfe, #e0f2fe);
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
}

body.light-mode .glass {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.3;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--surface-color);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 10px;
  border: 2px solid var(--surface-color);
  /* Adiciona um respiro */
}

::-webkit-scrollbar-thumb:hover {
  background: var(--on-surface-secondary-color);
}

/* ==========================================================================
     3. LAYOUT PRINCIPAL (NAVBAR, CONTAINER, FOOTER)
     ========================================================================== */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(24, 24, 27, 0.85);
  /* Slightly more opaque for readability */
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 1000;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s, border-color 0.3s;
}

body.light-mode .main-nav {
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 70px;
}

.nav-brand {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  cursor: pointer;
}

.nav-menu {
  display: flex;
  gap: 0.75rem;
  list-style: none;
  /* Adicionado para remover bullets caso use <li> */
}

.nav-item .dropdown-toggle {
  background: none;
  border: none;
  color: var(--on-surface-secondary-color);
  padding: 10px 15px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s, background-color 0.2s;
  border-radius: 8px;
}

.nav-item .dropdown-toggle:hover,
.nav-item .dropdown-toggle:focus-visible {
  color: var(--on-surface-color);
  background-color: var(--border-color);
  outline: none;
}

.dropdown {
  position: relative;
  /* A "ponte para o mouse" pode causar problemas de layout. */
  /* Recomenda-se usar JS para um controle mais robusto do menu (on click). */
}

.dropdown-menu {
  display: block;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0s 0.2s;
  position: absolute;
  top: calc(100% - 10px);
  left: 0;
  background: rgba(35, 35, 43, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 0.75rem 0;
  min-width: 260px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  z-index: 1001;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s;
}

.dropdown-item {
  display: block;
  padding: 0.8rem 1.75rem;
  color: var(--on-surface-secondary-color);
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
  font-size: 1rem;
}

.dropdown-item:hover,
.dropdown-item:focus-visible {
  background-color: var(--primary-color);
  color: var(--btn-text-color);
  outline: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-icon-btn {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--on-surface-secondary-color);
  cursor: pointer;
  padding: 10px;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.nav-icon-btn:hover {
  color: var(--on-surface-color);
  background-color: var(--border-color);
}

/* Exibe o botão hambúrguer apenas em telas pequenas */
.hamburger-btn {
  display: none;
  /* Oculto por padrão */
  background: transparent;
  border: none;
  font-size: 1.8rem;
  color: var(--on-surface-color);
  cursor: pointer;
  padding: 10px;
  border-radius: 8px;
  transition: background-color 0.2s;
  z-index: 1001;
}

.hamburger-btn:hover {
  background-color: var(--border-color);
}

.container {
  flex-grow: 1;
  width: 100%;
  max-width: 1100px;
  margin: 3rem auto;
  padding: 0 2rem;
}

footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--on-surface-secondary-color);
  font-size: 0.9rem;
  flex-shrink: 0;
}

/* ==========================================================================
     4. LAYOUT DAS PÁGINAS DE FERRAMENTAS E HUB
     ========================================================================== */
.tool-pane {
  display: none;
}

.tool-pane.active {
  display: block;
  animation: fadeInUp 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tool-header {
  text-align: center;
  margin-bottom: 3rem;
}

.tool-header h2 {
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tool-header p {
  font-size: 1.25rem;
  color: var(--on-surface-secondary-color);
  margin-top: 0.75rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.tool-grid {
  display: grid;
  /* A largura fixa '380px' é alterada em media queries para responsividade */
  grid-template-columns: 380px 1fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.tool-controls {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.tool-results .result-box {
  min-height: 180px;
  height: 100%;
}

.welcome-card {
  background: rgba(35, 35, 43, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 5rem 2rem;
  text-align: center;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
  animation: fadeInUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

body.light-mode .welcome-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
}

/* Typography Gradient */
.welcome-card h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #fff 0%, #a855f7 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
}

body.light-mode .welcome-card h1 {
  background: linear-gradient(135deg, #1e293b 0%, #7e22ce 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

#tool-search-bar {
  margin-top: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  display: block;
  padding: 18px 24px;
  font-size: 1.2rem;
}

/* O grid do hub já é responsivo por natureza, ótimo trabalho! */
.tool-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.tool-card {
  display: flex;
  flex-direction: column;
  background: rgba(35, 35, 43, 0.5);
  /* Semi-transparent */
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 2rem;
  text-decoration: none;
  color: var(--on-surface-color);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  opacity: 0;
  animation: fadeIn 0.5s ease-out forwards;
  will-change: transform, box-shadow;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.tool-card h3 {
  color: var(--secondary-color);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.tool-card p {
  color: var(--on-surface-secondary-color);
  font-size: 0.95rem;
  flex-grow: 1;
}

/* Atrasos de animação mantidos */
.tool-card:nth-child(1) {
  animation-delay: 0.05s;
}

.tool-card:nth-child(2) {
  animation-delay: 0.1s;
}

.tool-card:nth-child(3) {
  animation-delay: 0.15s;
}

.tool-card:nth-child(4) {
  animation-delay: 0.2s;
}

.tool-card:nth-child(5) {
  animation-delay: 0.25s;
}

.tool-card:nth-child(6) {
  animation-delay: 0.3s;
}

/* ==========================================================================
     5. COMPONENTES DE UI (BOTÕES, INPUTS, CARDS, ETC.)
     ========================================================================== */

/* --- Estilos para acessibilidade de foco --- */
/* Aplica um anel de foco visível para quem navega com teclado, sem afetar usuários de mouse */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--focus-ring-color);
}

/* Remove o outline padrão se já estamos tratando o foco */
a,
button,
input,
textarea,
select {
  outline: none;
}


textarea,
input:not([type="checkbox"]),
select {
  background-color: var(--input-bg-color);
  color: var(--on-surface-color);
  border: 1px solid var(--input-border-color);
  border-radius: 10px;
  padding: 1rem;
  /* 16px -> 1rem */
  font-size: 1.1rem;
  width: 100%;
  transition: border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
}

textarea:focus,
input:not([type="checkbox"]):focus,
select:focus {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

textarea {
  min-height: 180px;
  resize: vertical;
}

input[type="color"] {
  width: 100%;
  height: 60px;
  padding: 5px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  background: none;
}

input[type="checkbox"] {
  -webkit-appearance: none;
  appearance: none;
  background-color: var(--input-bg-color);
  border: 1px solid var(--input-border-color);
  border-radius: 4px;
  width: 20px;
  height: 20px;
  cursor: pointer;
  position: relative;
  vertical-align: middle;
  transition: background-color 0.2s ease-in-out, border-color 0.2s ease-in-out;
  flex-shrink: 0;
}

input[type="checkbox"]:checked {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

input[type="checkbox"]:checked::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -55%) rotate(45deg);
  width: 6px;
  height: 12px;
  border: solid var(--btn-text-color);
  border-width: 0 2px 2px 0;
}

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%239ca3af' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 1.2em;
  padding-right: 3rem;
  color: var(--on-surface-color);
}

body.light-mode select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%234b5563' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
}

.btn-generate {
  width: 100%;
  padding: 1rem;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-variant-color));
  color: var(--btn-text-color);
  border: none;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
  will-change: transform, box-shadow;
}

.btn-generate:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 10px 20px -10px rgba(168, 85, 247, 0.5);
}

.btn-generate:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  flex-grow: 1;
  padding: 12px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  background-color: var(--surface-light);
  color: var(--on-surface-secondary-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all var(--transition-normal);
}

.btn-secondary:hover {
  background-color: var(--border-color);
  color: var(--on-surface-color);
}

.btn-danger {
  background-color: transparent;
  color: var(--danger-color);
  border: 1px solid var(--danger-color);
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  flex-grow: 1;
  transition: all var(--transition-normal);
}

.btn-danger:hover {
  background-color: var(--danger-color);
  color: white;
}

.btn-add-to-cenario {
  width: 100%;
  padding: 12px;
  margin-top: -1rem;
  background-color: transparent;
  color: var(--secondary-color);
  border: 1px solid var(--secondary-color);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-normal);
}

.btn-add-to-cenario:hover {
  background-color: var(--secondary-color);
  color: var(--bg-color);
}

.result-box {
  background-color: var(--surface-light);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  position: relative;
  min-height: 120px;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
  overflow: hidden;
}

.result-box.has-content {
  border-color: var(--secondary-color);
  box-shadow: 0 0 15px rgba(45, 212, 191, 0.15);
  /* Cor e opacidade ajustada */
}

.result-box span,
.result-box pre {
  font-family: "Roboto Mono", monospace;
  font-size: 1.1rem;
  color: var(--on-surface-color);
  white-space: pre-wrap;
  text-align: left;
  width: 100%;
  line-height: 1.8;
  overflow-wrap: break-word;
  word-break: break-all;
}

.result-box .copy-btn {
  position: absolute;
  top: 15px;
  right: 15px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  color: var(--on-surface-secondary-color);
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 8px;
  font-size: 1rem;
  line-height: 1;
  transition: all var(--transition-normal);
}

.result-box .copy-btn:hover {
  background-color: var(--border-color);
  color: var(--on-surface-color);
}

.generated-output {
  background-color: var(--surface-color);
  color: var(--on-surface-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1.5rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  max-width: 100%;
  overflow-x: auto;
  font-family: "Fira Code", monospace;
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.generated-output h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-color);
}

.generated-output code {
  display: block;
  background-color: #1e1e1e;
  color: #d4d4d4;
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  overflow-x: auto;
  margin-top: 1rem;
  margin-bottom: 1rem;
  white-space: pre-wrap;
  /* Garante a quebra de linha */
}

.generated-output a {
  color: var(--primary-color);
  text-decoration: underline;
  word-break: break-all;
}

.generated-output .button-group {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.generated-output .btn-copy,
.generated-output .btn-download {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--surface-color);
  color: var(--on-surface-color);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background-color var(--transition-normal);
}

.generated-output .btn-copy:hover,
.generated-output .btn-download:hover {
  background-color: var(--border-color);
}

/* ==========================================================================
     6. WORKSPACE E COMPONENTES ESPECÍFICOS
     ========================================================================== */
.workspace-toggle-btn {
  position: fixed;
  top: 50%;
  right: 0;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: bottom right;
  z-index: 999;
  background-color: var(--primary-color);
  color: var(--btn-text-color);
  border: none;
  padding: 10px 20px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  box-shadow: -2px -2px 10px rgba(0, 0, 0, 0.1);
}

.workspace {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 95vw;
  height: 100%;
  background-color: var(--bg-color);
  border-left: 1px solid var(--border-color);
  box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  /* Transição mais suave */
  display: flex;
  flex-direction: column;
}

.workspace.open {
  transform: translateX(0);
}

.workspace-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
  height: 70px;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.workspace-header h3 {
  color: var(--secondary-color);
  font-size: 1.5rem;
}

.workspace-close-btn {
  background: none;
  border: none;
  color: var(--on-surface-secondary-color);
  font-size: 2.5rem;
  cursor: pointer;
  padding: 10px;
  opacity: 0.8;
  transition: opacity 0.2s, transform 0.2s;
}

.workspace-close-btn:hover {
  opacity: 1;
  transform: scale(1.1);
}

.workspace-tabs {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.workspace-tab-btn {
  flex: 1;
  padding: 1.2rem 1rem;
  /* Padding horizontal reduzido para caber mais texto */
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--on-surface-secondary-color);
  font-size: 1rem;
  font-weight: 500;
  /* Dando mais peso */
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
}

.workspace-tab-btn.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
}

.workspace-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: 1.5rem;
}

.workspace-pane {
  display: none;
}

.workspace-pane.active {
  display: block;
}

.history-card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

.history-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.history-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  /* Para telas pequenas */
  gap: 0.5rem;
}

.history-card-header .type {
  font-weight: 600;
  color: var(--secondary-color);
  font-size: 1rem;
}

.history-card-header .timestamp {
  font-size: 0.85rem;
  color: var(--on-surface-secondary-color);
}

.history-card-body pre {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 0.95rem;
  color: var(--on-surface-color);
  line-height: 1.7;
  font-family: "Roboto Mono", monospace;
  max-height: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.history-card-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.history-card-actions .btn-icon {
  background-color: var(--surface-light);
  border: 1px solid var(--border-color);
  color: var(--on-surface-secondary-color);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all var(--transition-normal);
}

.history-card-actions .btn-icon:hover {
  background-color: var(--border-color);
  color: var(--on-surface-color);
}

.cenario-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
}

.validation-result.valid {
  color: var(--success-color);
}

.validation-result.invalid {
  color: var(--danger-color);
}

.jwt-error {
  color: var(--danger-color);
  font-weight: 500;
}

/* ==========================================================================
     7. RESPONSIVIDADE (MEDIA QUERIES)
     ========================================================================== */

/* --- Telas de Tablet (e telas menores) --- */
@media (max-width: 992px) {
  .tool-grid {
    /* Empilha os controles e resultados em telas menores */
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .tool-results .result-box {
    /* Garante que o resultado não seja menor que os controles */
    min-height: 250px;
  }
}

/* --- Telas de Celular (e tablets em modo retrato) --- */
@media (max-width: 768px) {
  body {
    padding-top: 60px;
    /* Reduz padding superior para navbar menor */
  }

  .nav-content {
    height: 60px;
    padding: 0 1rem;
  }

  .container {
    padding: 0 1rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
  }

  /* --- Lógica do Menu Hambúrguer --- */
  .nav-menu {
    position: absolute;
    top: 60px;
    /* Alinhado com a nova altura da navbar */
    left: 0;
    width: 100%;
    flex-direction: column;
    background-color: var(--surface-color);
    border-top: 1px solid var(--border-color);
    display: none;
    /* Inicia oculto */
    padding: 1rem 0;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
  }

  .nav-menu.active {
    display: flex;
    /* Exibe quando ativo */
  }

  .nav-item .dropdown-toggle {
    width: 100%;
    text-align: left;
    padding: 1rem 1.5rem;
    /* Aumenta área de toque */
    border-radius: 0;
  }

  .dropdown:hover .dropdown-menu {
    /* Em mobile, o ideal é controlar dropdown com JS (click) */
    /* Este hover pode ser inconsistente. Apenas garantindo que não quebre. */
    position: static;
    border: none;
    box-shadow: none;
    transform: none;
    opacity: 1;
    visibility: visible;
    background-color: var(--surface-light);
  }

  .nav-actions {
    display: none;
    /* Esconde ações como tema, que podem ir para dentro do menu */
  }

  .hamburger-btn {
    display: flex;
    /* Mostra o botão hambúrguer */
  }

  /* --- Ajustes de Layout e Fontes --- */
  .tool-header h2 {
    font-size: 2.25rem;
    /* Reduz fonte do título principal */
  }

  .tool-header p {
    font-size: 1.1rem;
  }

  .welcome-card {
    padding: 2rem 1.5rem;
  }

  .workspace {
    width: 100vw;
    /* Workspace ocupa a tela toda */
    max-width: 100vw;
    border-left: none;
  }

  .workspace-toggle-btn {
    display: none;
    /* Oculta o botão lateral */
  }
}

/* ==========================================================================
     2. ANIMAÇÕES E EFEITOS
     ========================================================================== */
@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }

  100% {
    background-position: 200% 0;
  }
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }

  100% {
    transform: scale(1);
  }
}

/* ==========================================================================
     3. COMPONENTES DE UI MELHORADOS
     ========================================================================== */

/* Botões com efeito ripple */
.btn-generate,
.btn-add-to-cenario,
.copy-btn {
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-normal);
  will-change: transform, box-shadow;
}

.btn-generate:hover,
.btn-add-to-cenario:hover,
.copy-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-generate:active,
.btn-add-to-cenario:active,
.copy-btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Efeito ripple ao clicar */
.btn-generate::after,
.btn-add-to-cenario::after,
.copy-btn::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, var(--ripple-color) 10%, transparent 10.01%);
  background-repeat: no-repeat;
  background-position: 50%;
  transform: scale(10, 10);
  opacity: 0;
  transition: transform .5s, opacity 1s;
}

.btn-generate:active::after,
.btn-add-to-cenario:active::after,
.copy-btn:active::after {
  transform: scale(0, 0);
  opacity: .3;
  transition: 0s;
}

/* Loading state melhorado */
.btn-loading {
  position: relative;
  color: transparent !important;
  pointer-events: none;
}

.btn-loading .spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid var(--btn-text-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Cards com hover suave */
.tool-card {
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal),
    border-color var(--transition-normal);
  will-change: transform, box-shadow;
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Result box com animação de shimmer ao carregar */
.result-box {
  position: relative;
  overflow: hidden;
}

.result-box.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg,
      transparent,
      var(--hover-overlay),
      transparent);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* Inputs com feedback visual melhorado */
input:not([type="checkbox"]),
textarea,
select {
  transition: border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
}

input:not([type="checkbox"]):focus,
textarea:focus,
select:focus {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Tooltip para botões de ação */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  padding: 4px 8px;
  background: var(--surface-color);
  color: var(--on-surface-color);
  font-size: 0.875rem;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  z-index: 1000;
}

[data-tooltip]:hover::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-8px);
}

/* Feedback de sucesso/erro */
.validation-result {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  border-radius: 8px;
  font-weight: 500;
  transition: all var(--transition-normal);
}

.validation-result.valid {
  background-color: rgba(46, 204, 113, 0.1);
  color: var(--success-color);
}

.validation-result.invalid {
  background-color: rgba(244, 63, 94, 0.1);
  color: var(--danger-color);
}

/* Animações de entrada para cards */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tool-card {
  animation: slideInUp var(--transition-normal) forwards;
}

/* Atrasos de animação para cards */
.tool-card:nth-child(1) {
  animation-delay: 0.05s;
}

.tool-card:nth-child(2) {
  animation-delay: 0.1s;
}

.tool-card:nth-child(3) {
  animation-delay: 0.15s;
}

.tool-card:nth-child(4) {
  animation-delay: 0.2s;
}

.tool-card:nth-child(5) {
  animation-delay: 0.25s;
}

.tool-card:nth-child(6) {
  animation-delay: 0.3s;
}

/* ==========================================================================
   2. ACESSIBILIDADE E PREFERÊNCIAS
   ========================================================================== */

/* Suporte a preferências de redução de movimento */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .tool-card {
    animation: none !important;
  }

  .btn-generate::after,
  .btn-add-to-cenario::after,
  .copy-btn::after {
    display: none !important;
  }
}

/* Melhorias de foco para navegação por teclado */
:focus-visible {
  outline: var(--focus-ring-width) solid var(--primary-color);
  outline-offset: var(--focus-ring-offset);
  box-shadow: 0 0 0 var(--focus-ring-width) var(--focus-ring-color);
}

/* Áreas de toque maiores para dispositivos móveis */
@media (hover: none) and (pointer: coarse) {

  .btn-generate,
  .btn-add-to-cenario,
  .copy-btn,
  .nav-item,
  .dropdown-item {
    min-height: var(--min-touch-target);
    min-width: var(--min-touch-target);
    padding: 12px 20px;
  }

  input[type="checkbox"] {
    width: 24px;
    height: 24px;
  }

  .tool-card {
    padding: 1.5rem;
  }
}

/* Melhorias de contraste */
@media (prefers-contrast: more) {
  :root {
    --primary-color: #6b21a8;
    --primary-variant-color: #4c1d95;
    --secondary-color: #0d9488;
    --on-surface-color: #000000;
    --on-surface-secondary-color: #1f2937;
    --border-color: #000000;
  }

  .btn-generate,
  .btn-add-to-cenario {
    border: 2px solid var(--primary-color);
  }

  .validation-result {
    border: 2px solid currentColor;
  }
}

/* Suporte a modo escuro do sistema */
@media (prefers-color-scheme: dark) {
  :root:not(.light-mode) {
    --bg-color: #18181b;
    --surface-color: #23232b;
    --surface-light: #2a2a2e;
    --primary-color: #a855f7;
    --primary-variant-color: #9333ea;
    --secondary-color: #2dd4bf;
    --on-surface-color: #e5e7eb;
    --on-surface-secondary-color: #9ca3af;
    --border-color: #374151;
  }
}

/* Melhorias para leitores de tela */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Melhorias para zoom */
@media screen and (max-width: 400px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 1rem;
  }

  .tool-grid {
    gap: 1rem;
  }
}

/* Melhorias para orientação paisagem em mobile */
@media screen and (max-height: 500px) and (orientation: landscape) {
  .tool-grid {
    grid-template-columns: 1fr 1fr;
  }

  .tool-card {
    min-height: auto;
  }

  .result-box {
    max-height: 60vh;
    overflow-y: auto;
  }
}

/* ==========================================================================
   8. GLOBAL OVERRIDES FOR TOOLS
   ========================================================================== */

/* Enforce Glassmorphism on Tool Control Options */
.tool-grid .tool-controls .options,
.tool-controls .options {
  background: rgba(35, 35, 43, 0.6) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

body.light-mode .tool-grid .tool-controls .options,
body.light-mode .tool-controls .options {
  background: rgba(255, 255, 255, 0.7) !important;
  border: 1px solid rgba(0, 0, 0, 0.05) !important;
}

/* Enforce Glassmorphism on Result Box */
.tool-results .result-box,
.result-box {
  background: rgba(35, 35, 43, 0.6) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

body.light-mode .tool-results .result-box,
body.light-mode .result-box {
  background: rgba(255, 255, 255, 0.7) !important;
  border: 1px solid rgba(0, 0, 0, 0.05) !important;
}

/* Scenario Items and History Cards */
.cenario-item,
.history-card {
  background: rgba(35, 35, 43, 0.6) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

body.light-mode .cenario-item,
body.light-mode .history-card {
  background: rgba(255, 255, 255, 0.7) !important;
  border: 1px solid rgba(0, 0, 0, 0.05) !important;
}

/* Melhorias para impressão */
@media print {

  .nav-menu,
  .workspace,
  .btn-generate,
  .btn-add-to-cenario,
  .copy-btn {
    display: none !important;
  }

  body {
    padding: 0;
    background: white;
    color: black;
  }

  .container {
    max-width: none;
    margin: 0;
    padding: 0;
  }

  .tool-card {
    break-inside: avoid;
    border: 1px solid #ccc;
    box-shadow: none;
  }

  .result-box {
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}