:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    --success-color: #059669;
    --warning-color: #d97706;
    --error-color: #dc2626;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --secondary-color: #94a3b8;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --border-color: #334155;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    transition: all 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    padding: 32px;
    text-align: center;
    position: relative;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.header p { font-size: 1.125rem; opacity: 0.9; font-weight: 400; }

.theme-toggle {
    position: absolute;
    top: 24px;
    right: 24px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.theme-toggle:hover { background: rgba(255, 255, 255, 0.3); transform: scale(1.05); }

.theme-toggle svg { width: 20px; height: 20px; fill: white; }

.main-content { padding: 40px; }

.format-selector {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
    gap: 8px;
    flex-wrap: wrap;
}

.format-btn {
    padding: 12px 24px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    font-size: 14px;
}

.format-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.format-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.input-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

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

.input-panel {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.input-panel:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.panel-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-title::before { content: "📝"; font-size: 1.25rem; }
.output-panel .panel-title::before { content: "✨"; }

.fullscreen-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.fullscreen-btn:hover { background: var(--primary-color); border-color: var(--primary-color); color: white; }

.fullscreen-btn svg { width: 16px; height: 16px; fill: currentColor; }

.output-display {
    width: 100%;
    min-height: 300px;
    padding: 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Courier New', Consolas, monospace;
    font-size: 14px;
    line-height: 1.5;
    resize: vertical;
    transition: all 0.3s ease;
    overflow-y: auto;
    white-space: pre;
    word-wrap: break-word;
}

.output-display:empty::before {
    content: attr(placeholder);
    color: var(--text-secondary);
    font-style: italic;
}

textarea {
    width: 100%;
    height: 300px;
    border: none;
    border-radius: 8px;
    padding: 16px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: vertical;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea::placeholder { color: var(--text-muted); }

.file-upload {
    margin-top: 16px;
    padding: 16px;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--bg-primary);
}

.file-upload:hover { border-color: var(--primary-color); background: var(--bg-secondary); }

.file-upload input { display: none; }

.file-upload-text { color: var(--text-muted); font-size: 14px; font-weight: 500; }

.controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-primary);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.control-group label { font-weight: 500; color: var(--text-secondary); font-size: 14px; }

select {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px 12px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 14px;
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); }

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

.btn-secondary:hover { background: var(--text-secondary); transform: translateY(-1px); box-shadow: var(--shadow-md); }

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

.btn-success:hover { background: #047857; transform: translateY(-1px); box-shadow: var(--shadow-md); }

.error-message {
    background: #fef2f2;
    color: var(--error-color);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--error-color);
    display: none;
    font-weight: 500;
}

.success-message {
    background: #f0fdf4;
    color: var(--success-color);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--success-color);
    display: none;
    font-weight: 500;
}

[data-theme="dark"] .error-message { background: #1f1f23; color: #fca5a5; }
[data-theme="dark"] .success-message { background: #1f2937; color: #86efac; }

.footer {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    text-align: center;
    padding: 24px;
    font-size: 14px;
    border-top: 1px solid var(--border-color);
}

.loading { display: none; text-align: center; padding: 24px; }

.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    animation: spin 1s linear infinite;
    margin: 0 auto 12px;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    background: var(--bg-primary);
    padding: 16px 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    min-width: 120px;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-weight: 500;
}

/* Fullscreen Modal */
.fullscreen-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.fullscreen-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    height: 90%;
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
}

.fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.fullscreen-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-btn {
    background: var(--error-color);
    border: none;
    border-radius: 6px;
    padding: 8px 12px;
    color: white;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
}

.close-btn:hover { background: #b91c1c; }

.fullscreen-textarea {
    flex: 1;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 14px;
    line-height: 1.6;
    resize: none;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.fullscreen-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* XML Syntax Highlighting */
.xml-bracket { color: #000000; font-weight: bold; }
.xml-tag { color: #0066cc; font-weight: bold; }
.xml-attribute { color: #cc6600; }
.xml-value { color: #009900; }
.xml-config { color: #cc9900; font-style: italic; }
.xml-text { color: var(--text-primary); }
.xml-comment { color: #999999; font-style: italic; }

/* SQL Syntax Highlighting - cores por tipo */
.sql-dml-select { color: #0369a1; font-weight: bold; }
.sql-dml-insert { color: #047857; font-weight: bold; }
.sql-dml-update { color: #b45309; font-weight: bold; }
.sql-dml-delete { color: #b91c1c; font-weight: bold; }
.sql-block { color: #6d28d9; font-weight: bold; }
.sql-control { color: #0d9488; font-weight: bold; }
.sql-clause { color: #0e7490; font-weight: 600; }
.sql-ddl { color: #7c3aed; font-weight: 600; }
.sql-operator { color: #6366f1; font-weight: 500; }
.sql-identifier { color: var(--text-primary); }
.sql-string { color: #059669; }
.sql-number { color: #b91c1c; }
.sql-comment { color: #64748b; font-style: italic; }
.sql-variable { color: #ca8a04; font-weight: 600; }
.sql-use { color: #0e7490; font-weight: bold; }
.sql-database { color: #047857; font-weight: bold; }
/* Tipos de dados (CREATE TABLE etc.) */
.sql-type-int { color: #0369a1; font-weight: 600; }
.sql-type-decimal { color: #b45309; font-weight: 600; }
.sql-type-string { color: #047857; font-weight: 600; }
.sql-type-datetime { color: #7c3aed; font-weight: 600; }
.sql-type-other { color: #6366f1; font-weight: 600; }
[data-theme="dark"] .sql-dml-select { color: #38bdf8; }
[data-theme="dark"] .sql-dml-insert { color: #34d399; }
[data-theme="dark"] .sql-dml-update { color: #fbbf24; }
[data-theme="dark"] .sql-dml-delete { color: #f87171; }
[data-theme="dark"] .sql-block { color: #a78bfa; }
[data-theme="dark"] .sql-control { color: #2dd4bf; }
[data-theme="dark"] .sql-clause { color: #22d3ee; }
[data-theme="dark"] .sql-ddl { color: #a78bfa; }
[data-theme="dark"] .sql-operator { color: #818cf8; }
[data-theme="dark"] .sql-string { color: #34d399; }
[data-theme="dark"] .sql-number { color: #f87171; }
[data-theme="dark"] .sql-comment { color: #94a3b8; }
[data-theme="dark"] .sql-variable { color: #facc15; }
[data-theme="dark"] .sql-use { color: #22d3ee; }
[data-theme="dark"] .sql-database { color: #34d399; font-weight: bold; }
[data-theme="dark"] .sql-type-int { color: #38bdf8; }
[data-theme="dark"] .sql-type-decimal { color: #fbbf24; }
[data-theme="dark"] .sql-type-string { color: #34d399; }
[data-theme="dark"] .sql-type-datetime { color: #a78bfa; }
[data-theme="dark"] .sql-type-other { color: #818cf8; }

.auto-format-indicator {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--success-color);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.auto-format-indicator.show { opacity: 1; }

/* 🧩 Correção final — layout fixo e responsivo sem quebra */
.input-section {
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  align-items: stretch;
  gap: 32px;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.input-panel,
.output-panel {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 500px;
  box-sizing: border-box;
}

/* Entrada */
.input-panel textarea {
  flex: none;
  height: 300px;
  overflow-y: auto;
  resize: none;
}

.input-panel .file-upload {
  margin-top: 16px;
  flex-shrink: 0;
}

/* Saída */
.output-panel { position: relative; }

.output-panel .output-display {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  overflow-y: auto;
  overflow-x: auto;
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  white-space: pre;
  word-wrap: break-word;
  box-sizing: border-box;
}

/* 📱 Responsividade */
@media (max-width: 900px) {
  .input-section { flex-direction: column; }
  .input-panel, .output-panel { height: 400px; }
  .input-panel textarea { height: 200px; }
}

/* =========================
   DevUtils Unified - extras
   ========================= */
.app-nav{
  display:flex;
  gap:10px;
  justify-content:center;
  flex-wrap:wrap;
  margin: 18px auto 24px;
  padding: 0 10px;
}
.nav-btn{
  border: 1px solid var(--bg-tertiary);
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  transition: transform .12s ease, background .12s ease, border-color .12s ease;
}
.nav-btn:hover{ transform: translateY(-1px); border-color: color-mix(in srgb, var(--primary-color) 35%, var(--bg-tertiary)); }
.nav-btn.active{
  background: color-mix(in srgb, var(--primary-color) 15%, var(--bg-secondary));
  border-color: color-mix(in srgb, var(--primary-color) 55%, var(--bg-tertiary));
}
.page{ display:none; }
.page.active{ display:block; }

.page .main-content{ margin-top: 0; }

.tool-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.tool-header h2{
  margin:0;
  font-size: 1.2rem;
  color: var(--text-primary);
}
.tool-header p{
  margin: 4px 0 0;
  color: var(--text-secondary);
}

.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 900px){
  .grid-2{ grid-template-columns: 1fr; }
}

.card{
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: 14px;
  padding: 14px;
}

.form-grid{
  display:grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 10px;
}
@media (max-width: 600px){
  .form-grid{ grid-template-columns: 1fr; }
}
.form-grid label{
  display:flex;
  flex-direction:column;
  gap: 6px;
  font-size: .92rem;
  color: var(--text-secondary);
  min-width: 0;
}
.form-grid input, .form-grid select{
  padding: 10px 10px;
  border-radius: 10px;
  border: 1px solid var(--bg-tertiary);
  background: var(--bg-primary);
  color: var(--text-primary);
  width: 100%;
  min-width: 0;
}

.small-note{
  color: var(--text-secondary);
  font-size: .9rem;
}

.table-wrap{
  overflow:auto;
  border: 1px solid var(--bg-tertiary);
  border-radius: 14px;
}
.table{
  width: 100%;
  border-collapse: collapse;
  font-size: .92rem;
}
.table th, .table td{
  padding: 10px 10px;
  border-bottom: 1px solid var(--bg-tertiary);
  text-align:left;
  white-space:nowrap;
}
.table th{
  background: color-mix(in srgb, var(--bg-secondary) 70%, var(--bg-primary));
  color: var(--text-secondary);
  font-weight: 700;
}
.table td input{
  width: 100%;
  min-width: 120px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--bg-tertiary);
  background: var(--bg-primary);
  color: var(--text-primary);
}
.row-actions{
  display:flex;
  gap: 8px;
}
.icon-btn{
  border: 1px solid var(--bg-tertiary);
  background: var(--bg-primary);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
}
.icon-btn:hover{
  border-color: color-mix(in srgb, var(--primary-color) 45%, var(--bg-tertiary));
}

.cards-grid{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

/* responsivo */
@media (max-width: 1100px){
  .cards-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px){
  .cards-grid{ grid-template-columns: 1fr; }
}
.calc-card{
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,.06);
  min-width: 0; 
}
[data-theme="dark"] .calc-card{ box-shadow: 0 10px 28px rgba(0,0,0,.25); }

.calc-card header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.calc-card .title{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 800;
  color: var(--text-primary);
}
.drag-handle{
  user-select:none;
  cursor: grab;
  font-size: 1.1rem;
  opacity: .8;
}
.calc-card.dragging{ opacity: .55; }

.calc-result{
  margin-top: 10px;
  font-weight: 800;
  text-align: right;
}

.section-actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content:flex-end;
  margin-top: 12px;
}

.chart-box{
  background: var(--bg-secondary);
  border: 1px solid var(--bg-tertiary);
  border-radius: 14px;
  padding: 12px;
}
.chart-box canvas{ width:100%; height: 280px; }