/* ==========================================================================
   css/tecnodft.css — Design Industrial Canonico TecnoDFT / TecnoDXF
   Paleta: Dark Slate (#0f172a, #1e293b) & Teal Industrial (#0d9488, #14b8a6)
   Padrao: Martin Tools Design System v2.0
   ========================================================================== */

:root {
  --td-bg: #090d16;
  --td-card-bg: #131c2e;
  --td-card-hover: #1a263d;
  --td-border: #24344d;
  --td-border-focus: #0d9488;
  --td-teal: #0d9488;
  --td-teal-bright: #14b8a6;
  --td-teal-glow: rgba(13, 148, 136, 0.25);
  --td-cyan: #06b6d4;
  --td-emerald: #10b981;
  --td-amber: #f59e0b;
  --td-rose: #f43f5e;
  --td-text: #f1f5f9;
  --td-text-muted: #94a3b8;
  --td-text-dim: #64748b;
  --td-radius-sm: 6px;
  --td-radius-md: 10px;
  --td-radius-lg: 14px;
  --td-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --td-font-title: 'Oswald', sans-serif;
  --td-font-body: 'Inter', system-ui, sans-serif;
  --td-font-mono: 'JetBrains Mono', monospace;
}

/* ===== HERO CANONICO TECNODFT ===== */
.td-hero {
  background: linear-gradient(135deg, #0b1324 0%, #111d33 50%, #0d262a 100%);
  border-bottom: 1px solid var(--td-border);
  padding: 38px 24px 28px;
  margin-top: 140px; /* Alinhamento estrito com header fixo do Martin Tools */
  position: relative;
  overflow: hidden;
}

.td-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 85% 20%, rgba(13, 148, 136, 0.15), transparent 45%),
              radial-gradient(circle at 15% 80%, rgba(6, 182, 212, 0.10), transparent 40%);
  pointer-events: none;
}

.td-hero-content {
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.td-hero h1 {
  font-family: var(--td-font-title);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.td-hero h1 span.td-accent {
  color: var(--td-teal-bright);
  text-shadow: 0 0 20px var(--td-teal-glow);
}

.td-hero h1 .td-version-badge {
  font-size: 0.75rem;
  font-family: var(--td-font-mono);
  background: rgba(13, 148, 136, 0.2);
  color: var(--td-teal-bright);
  border: 1px solid rgba(13, 148, 136, 0.5);
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.td-hero-sub {
  color: var(--td-text-muted);
  font-size: 1.05rem;
  max-width: 900px;
  margin: 0 0 20px;
  line-height: 1.5;
}

.td-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.td-hero-stats span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(19, 28, 46, 0.85);
  border: 1px solid var(--td-border);
  padding: 6px 14px;
  border-radius: var(--td-radius-sm);
  font-size: 0.82rem;
  color: var(--td-text-muted);
}

.td-hero-stats span i {
  color: var(--td-teal-bright);
}

.td-hero-stats span strong {
  color: #fff;
  font-weight: 600;
}

/* Barra de Acesso Canonico ao Ecossistema */
.td-ecosystem-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.td-eco-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-sm);
  color: var(--td-text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.18s ease-in-out;
}

.td-eco-btn:hover {
  background: rgba(13, 148, 136, 0.18);
  border-color: var(--td-teal);
  color: #fff;
  transform: translateY(-1px);
}

.td-eco-btn.active {
  background: var(--td-teal);
  border-color: var(--td-teal-bright);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 0 12px var(--td-teal-glow);
}

/* ===== CONTAINER PRINCIPAL ===== */
.tecnodft-container {
  max-width: 1280px;
  margin: 24px auto 60px;
  padding: 0 20px;
}

/* Barra de Destaque Operacional */
.td-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--td-card-bg);
  border: 1px solid var(--td-border);
  padding: 12px 18px;
  border-radius: var(--td-radius-md);
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.td-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(13, 148, 136, 0.18);
  border: 1px solid var(--td-teal);
  color: var(--td-teal-bright);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Grid Principal em 2 Colunas */
.td-grid-main {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  margin-bottom: 24px;
}

@media (max-width: 1024px) {
  .td-grid-main {
    grid-template-columns: 1fr;
  }
}

/* ===== DROPZONE VETORIAL ===== */
.td-dropzone-card {
  background: var(--td-card-bg);
  border: 2px dashed var(--td-border);
  border-radius: var(--td-radius-lg);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.22s ease-in-out;
  position: relative;
  overflow: hidden;
}

.td-dropzone-card:hover, .td-dropzone-card.dragover {
  border-color: var(--td-teal-bright);
  background: rgba(13, 148, 136, 0.08);
  box-shadow: 0 0 25px var(--td-teal-glow);
  transform: translateY(-2px);
}

.td-dropzone-card.has-file {
  border-style: solid;
  border-color: var(--td-teal);
  padding: 16px 20px;
  cursor: default;
}

.td-dropzone-card.has-file .td-drop-icon,
.td-dropzone-card.has-file .td-drop-title,
.td-dropzone-card.has-file .td-drop-desc,
.td-dropzone-card.has-file .td-drop-actions {
  display: none !important;
}

.td-drop-icon {
  font-size: 3.5rem;
  color: var(--td-teal-bright);
  margin-bottom: 16px;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.td-dropzone-card:hover .td-drop-icon {
  transform: scale(1.12);
}

.td-drop-title {
  font-family: var(--td-font-title);
  font-size: 1.5rem;
  color: #fff;
  margin: 0 0 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.td-drop-desc {
  color: var(--td-text-muted);
  font-size: 0.92rem;
  margin: 0 0 16px;
}

.td-drop-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.td-btn-browse {
  background: linear-gradient(135deg, var(--td-teal) 0%, #0f766e 100%);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: var(--td-radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.18s ease;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
}

.td-btn-browse:hover {
  background: linear-gradient(135deg, var(--td-teal-bright) 0%, var(--td-teal) 100%);
  transform: translateY(-1px);
}

.td-drop-shortcut {
  font-size: 0.78rem;
  color: var(--td-text-dim);
  font-family: var(--td-font-mono);
}

/* Indicador de Arquivo Carregado */
.td-file-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  background: #0d1726;
  border: 1px solid var(--td-border);
  padding: 12px 18px;
  border-radius: var(--td-radius-md);
  margin-top: 14px;
}

.td-file-info {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}

.td-file-icon {
  font-size: 1.8rem;
  color: var(--td-rose);
}

.td-file-name {
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}

.td-file-meta {
  color: var(--td-text-dim);
  font-size: 0.8rem;
  font-family: var(--td-font-mono);
}

.td-btn-remove-file {
  background: transparent;
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: var(--td-rose);
  padding: 6px 12px;
  border-radius: var(--td-radius-sm);
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.18s ease;
}

.td-btn-remove-file:hover {
  background: rgba(244, 63, 94, 0.15);
}

/* ===== PAINEL DE CONTROLES & CONFIGURACOES ===== */
.td-controls-card {
  background: var(--td-card-bg);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-lg);
  padding: 24px;
  box-shadow: var(--td-shadow);
}

.td-section-title {
  font-family: var(--td-font-title);
  font-size: 1.25rem;
  color: #fff;
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--td-border);
  padding-bottom: 10px;
}

.td-section-title i {
  color: var(--td-teal-bright);
}

.td-form-group {
  margin-bottom: 16px;
}

.td-form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--td-text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.td-select, .td-input {
  width: 100%;
  background: #0b1324;
  border: 1px solid var(--td-border);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--td-radius-sm);
  font-size: 0.9rem;
  font-family: var(--td-font-body);
  transition: border-color 0.18s ease;
  box-sizing: border-box;
}

.td-select:focus, .td-input:focus {
  outline: none;
  border-color: var(--td-teal);
  box-shadow: 0 0 8px var(--td-teal-glow);
}

.td-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.td-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--td-text);
  cursor: pointer;
  user-select: none;
  background: rgba(11, 19, 36, 0.6);
  padding: 8px 10px;
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-sm);
  transition: all 0.15s ease;
}

.td-checkbox-label:hover {
  background: rgba(13, 148, 136, 0.1);
  border-color: var(--td-teal);
}

.td-checkbox-label input {
  margin-top: 2px;
  accent-color: var(--td-teal);
}

/* Modos de Exportacao */
.td-export-modes {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
}

.td-export-mode-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(11, 19, 36, 0.7);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-md);
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.td-export-mode-card:hover {
  border-color: var(--td-teal);
  background: rgba(13, 148, 136, 0.08);
}

.td-export-mode-card.active {
  border-color: var(--td-teal-bright);
  background: rgba(13, 148, 136, 0.16);
  box-shadow: 0 0 10px var(--td-teal-glow);
}

.td-mode-icon {
  font-size: 1.4rem;
  color: var(--td-teal-bright);
}

.td-mode-info {
  flex: 1;
}

.td-mode-title {
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
}

.td-mode-desc {
  color: var(--td-text-dim);
  font-size: 0.75rem;
  margin-top: 2px;
}

/* Botoes de Acao de Download */
.td-btn-action-primary {
  width: 100%;
  background: linear-gradient(135deg, #0d9488 0%, #047857 100%);
  color: #fff;
  border: none;
  padding: 14px 24px;
  border-radius: var(--td-radius-md);
  font-family: var(--td-font-title);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s ease;
  box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
}

.td-btn-action-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #14b8a6 0%, #059669 100%);
  box-shadow: 0 8px 25px rgba(20, 184, 166, 0.5);
  transform: translateY(-2px);
}

.td-btn-action-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.td-secondary-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.td-btn-secondary {
  background: rgba(19, 28, 46, 0.85);
  border: 1px solid var(--td-border);
  color: var(--td-text-muted);
  padding: 9px 12px;
  border-radius: var(--td-radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.18s ease;
}

.td-btn-secondary:hover:not(:disabled) {
  border-color: var(--td-teal);
  color: #fff;
  background: rgba(13, 148, 136, 0.12);
}

.td-btn-secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===== CARROSSEL DE FOLHAS / MINIATURAS ===== */
.td-sheets-wrapper {
  background: var(--td-card-bg);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
  box-shadow: var(--td-shadow);
}

.td-sheets-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.td-sheets-carousel {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--td-border) transparent;
}

.td-sheets-carousel::-webkit-scrollbar {
  height: 6px;
}

.td-sheets-carousel::-webkit-scrollbar-thumb {
  background: var(--td-border);
  border-radius: 4px;
}

.td-sheet-thumb-card {
  flex: 0 0 180px;
  background: #0b1324;
  border: 2px solid var(--td-border);
  border-radius: var(--td-radius-md);
  padding: 10px;
  text-align: center;
  cursor: pointer;
  transition: all 0.18s ease;
  position: relative;
}

.td-sheet-thumb-card:hover {
  border-color: var(--td-teal);
  transform: translateY(-2px);
}

.td-sheet-thumb-card.selected {
  border-color: var(--td-teal-bright);
  background: rgba(13, 148, 136, 0.1);
  box-shadow: 0 0 10px var(--td-teal-glow);
}

.td-sheet-canvas-preview {
  width: 100%;
  height: 125px;
  background: #fff;
  border-radius: var(--td-radius-sm);
  object-fit: contain;
  display: block;
  margin-bottom: 8px;
}

.td-sheet-badge {
  font-family: var(--td-font-mono);
  font-size: 0.75rem;
  color: var(--td-text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ===== CANVAS DE VISUALIZACAO AMPLIADA (PREVIEW) ===== */
.td-preview-panel {
  background: var(--td-card-bg);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-lg);
  padding: 24px;
  box-shadow: var(--td-shadow);
  margin-bottom: 24px;
}

.td-preview-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}

.td-preview-canvas-container {
  width: 100%;
  height: 520px;
  background: #050811;
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-md);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
}

.td-preview-canvas-container:active {
  cursor: grabbing;
}

#td-main-canvas {
  max-width: 100%;
  max-height: 100%;
  background: #000;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
  border: 1px solid #1e293b;
}

.td-canvas-placeholder {
  color: var(--td-text-dim);
  text-align: center;
  padding: 40px;
}

.td-canvas-placeholder i {
  font-size: 3rem;
  color: var(--td-border);
  margin-bottom: 12px;
}

/* Estatisticas de Geometria Flutuantes */
.td-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.td-stat-box {
  background: #0b1324;
  border: 1px solid var(--td-border);
  padding: 10px 14px;
  border-radius: var(--td-radius-sm);
  text-align: center;
}

.td-stat-value {
  font-family: var(--td-font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--td-teal-bright);
}

.td-stat-label {
  font-size: 0.72rem;
  color: var(--td-text-dim);
  text-transform: uppercase;
  margin-top: 2px;
}

/* ===== BARRA DE PROGRESSO & STATUS ===== */
.td-progress-container {
  display: none;
  background: var(--td-card-bg);
  border: 1px solid var(--td-border);
  padding: 16px 20px;
  border-radius: var(--td-radius-md);
  margin-bottom: 20px;
}

.td-progress-bar-wrap {
  width: 100%;
  height: 8px;
  background: #0b1324;
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}

.td-progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--td-teal) 0%, var(--td-cyan) 100%);
  transition: width 0.15s ease;
}

.td-progress-status-text {
  font-size: 0.85rem;
  color: var(--td-text-muted);
  display: flex;
  justify-content: space-between;
}

/* Alerta Informativo */
.td-alert {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border-radius: var(--td-radius-md);
  font-size: 0.88rem;
  margin-bottom: 20px;
}

.td-alert-info {
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: #38bdf8;
}

.td-alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.td-alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fbbf24;
}

/* ==========================================================================
   SISTEMA DE ABAS CANÔNICAS (CONVERSOR vs STUDIO CAD)
   ========================================================================== */
.td-tabs-nav {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--td-border);
  padding-bottom: 8px;
}

.td-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: var(--td-card-bg);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-md) var(--td-radius-md) 0 0;
  color: var(--td-text-muted);
  font-family: var(--td-font-title);
  font-size: 1.05rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s ease;
}

.td-tab-btn:hover {
  background: var(--td-card-hover);
  color: #fff;
  border-color: #3b82f6;
}

.td-tab-btn.active {
  background: linear-gradient(180deg, #162238 0%, #101a2c 100%);
  color: var(--td-teal-bright);
  border-color: var(--td-teal);
  border-bottom-color: #101a2c;
  box-shadow: 0 -4px 12px rgba(13, 148, 136, 0.2);
}

.td-tab-btn .badge-pill {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 12px;
  background: rgba(13, 148, 136, 0.2);
  color: var(--td-teal-bright);
  border: 1px solid rgba(13, 148, 136, 0.4);
}

.td-tab-content {
  display: none;
}

.td-tab-content.active {
  display: block;
  animation: tdFadeIn 0.25s ease-out;
}

@keyframes tdFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   STUDIO CAD & METROLOGIA (VIEWER, MEDIÇÃO & EDIÇÃO)
   ========================================================================== */
.td-studio-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Ribbon Toolbar Superior */
.td-studio-ribbon {
  background: #0f172a;
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-lg);
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: var(--td-shadow);
}

.td-ribbon-groups {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.td-ribbon-group {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-right: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.td-ribbon-group:last-child {
  border-right: none;
  padding-right: 0;
}

.td-ribbon-group-title {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  font-weight: 700;
  margin-right: 4px;
}

.td-cad-tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: var(--td-radius-sm);
  color: #cbd5e1;
  font-family: var(--td-font-body);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.td-cad-tool-btn:hover {
  background: #334155;
  color: #fff;
  border-color: #64748b;
}

.td-cad-tool-btn.active {
  background: rgba(13, 148, 136, 0.25);
  border-color: var(--td-teal-bright);
  color: #2dd4bf;
  box-shadow: 0 0 10px rgba(13, 148, 136, 0.3);
}

.td-cad-tool-btn.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  border-color: rgba(244, 63, 94, 0.4);
  color: #fb7185;
}

.td-cad-tool-btn.btn-danger:hover {
  background: rgba(244, 63, 94, 0.3);
  color: #fff;
  border-color: #f43f5e;
}

.td-cad-tool-btn.btn-primary {
  background: linear-gradient(135deg, var(--td-teal) 0%, #0f766e 100%);
  border-color: var(--td-teal-bright);
  color: #fff;
}

.td-cad-tool-btn.btn-primary:hover {
  background: linear-gradient(135deg, #0f766e 0%, var(--td-teal) 100%);
  box-shadow: 0 0 12px var(--td-teal-glow);
}

/* Area de Trabalho do Studio (Barra Lateral + Canvas + Painel Lateral) */
.td-studio-workspace {
  display: grid;
  grid-template-columns: 44px 1fr 340px;
  gap: 12px;
  align-items: start;
}

.td-studio-workspace.sidepanel-hidden {
  grid-template-columns: 44px 1fr;
}

.td-studio-workspace.sidepanel-hidden .td-studio-sidepanel {
  display: none !important;
}

.td-studio-viewport {
  position: relative;
  background: #070b14;
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-lg);
  overflow: hidden;
  height: 640px;
  box-shadow: var(--td-shadow);
  display: flex;
  flex-direction: column;
}

.td-studio-viewport.theme-light {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.td-studio-canvas-wrap {
  flex: 1;
  position: relative;
  cursor: crosshair;
  overflow: hidden;
}

.td-studio-canvas-wrap.mode-pan {
  cursor: grab;
}

.td-studio-canvas-wrap.mode-pan:active {
  cursor: grabbing;
}

#td-studio-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* HUD Inferior Flutuante */
.td-studio-hud {
  background: rgba(11, 19, 36, 0.92);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--td-border);
  padding: 8px 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--td-font-mono);
  font-size: 0.8rem;
  color: var(--td-text-muted);
}

.td-hud-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.td-hud-item strong {
  color: #f1f5f9;
}

.td-hud-snap-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
}

.td-hud-snap-badge.on {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.4);
}

.td-hud-snap-badge.off {
  background: rgba(100, 116, 139, 0.2);
  color: #94a3b8;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

/* Painel Lateral de Metrologia & Propriedades */
.td-studio-sidepanel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 640px;
  overflow-y: auto;
  padding-right: 4px;
}

.td-sidepanel-card {
  background: var(--td-card-bg);
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-lg);
  padding: 16px;
  box-shadow: var(--td-shadow);
}

.td-sidepanel-card h4 {
  font-family: var(--td-font-title);
  font-size: 1.05rem;
  color: #fff;
  margin: 0 0 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 8px;
}

/* Card de Medição Atual em Destaque */
.td-measure-result-box {
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.15) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid rgba(13, 148, 136, 0.4);
  border-radius: var(--td-radius-md);
  padding: 14px;
  margin-bottom: 12px;
}

.td-measure-main-val {
  font-family: var(--td-font-mono);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--td-teal-bright);
  line-height: 1.2;
}

.td-measure-sub-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  font-size: 0.78rem;
  color: var(--td-text-muted);
}

.td-measure-sub-grid span strong {
  color: #f1f5f9;
  font-family: var(--td-font-mono);
}

/* Tabela de Histórico de Medições */
.td-measure-history-list {
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.td-measure-history-item {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: var(--td-radius-sm);
  padding: 8px 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
}

.td-measure-history-item .val {
  font-family: var(--td-font-mono);
  font-weight: 700;
  color: #38bdf8;
}

/* Layer Checklist */
.td-layer-toggle-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.td-layer-toggle-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: var(--td-radius-sm);
  padding: 6px 10px;
  font-size: 0.82rem;
}

.td-layer-toggle-item label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: #e2e8f0;
}

.td-layer-color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

/* ===== ESTILOS DE CALIBRAÇÃO DE ESCALA & AUTO-SCALE ===== */
.td-scale-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.4);
  border-radius: var(--td-radius-sm);
  color: #c084fc;
  font-family: var(--td-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.td-scale-card {
  border-color: rgba(168, 85, 247, 0.3);
  background: linear-gradient(180deg, #131b2e 0%, #0d1527 100%);
}

.td-scale-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
  background: #090e1a;
  padding: 3px;
  border-radius: var(--td-radius-sm);
  border: 1px solid #1e293b;
}

.td-scale-tab-btn {
  flex: 1;
  padding: 6px 8px;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: #94a3b8;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.td-scale-tab-btn.active {
  background: #1e293b;
  color: #c084fc;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

.td-scale-factor-preview {
  background: rgba(168, 85, 247, 0.1);
  border: 1px dashed rgba(168, 85, 247, 0.4);
  border-radius: var(--td-radius-sm);
  padding: 10px 12px;
  margin-top: 8px;
}

.td-scale-factor-preview .factor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: #e2e8f0;
}

.td-scale-factor-preview strong {
  font-family: var(--td-font-mono);
  font-size: 1.15rem;
  color: #c084fc;
}

.td-scale-factor-preview .factor-defasagem {
  font-size: 0.74rem;
  color: #94a3b8;
  font-family: var(--td-font-mono);
  margin-top: 2px;
}

.td-btn-mini {
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #38bdf8;
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.td-btn-mini:hover {
  background: rgba(56, 189, 248, 0.3);
  color: #fff;
}

.td-input-sm {
  padding: 6px 10px;
  font-size: 0.85rem;
}

/* ==========================================================================
   KIT TECNO2D NO TECNODFT: BARRA LATERAL, INSPETOR, COMANDO, STATUS & TELA CHEIA
   ========================================================================== */
.td-side-toolbar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  background: #0f172a;
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-lg);
  padding: 8px 4px;
  box-shadow: var(--td-shadow);
}

.td-side-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 6px;
  color: #94a3b8;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.td-side-btn:hover {
  background: #334155;
  color: #fff;
  border-color: #38bdf8;
}

.td-side-btn.active {
  background: rgba(13, 148, 136, 0.25);
  border-color: var(--td-teal-bright);
  color: #2dd4bf;
  box-shadow: 0 0 8px rgba(13, 148, 136, 0.3);
}

.td-side-sep {
  width: 24px;
  height: 1px;
  background: #1e293b;
  margin: 2px 0;
}

/* Inspetor Parametrico */
.td-inspector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.td-insp-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* Linha de Comando Estilo AutoCAD */
.td-command-wrap {
  background: #070b14;
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-md);
  overflow: hidden;
  box-shadow: var(--td-shadow);
}

.td-cmd-history {
  max-height: 52px;
  overflow-y: auto;
  padding: 6px 12px;
  font-family: var(--td-font-mono);
  font-size: 0.74rem;
  color: #94a3b8;
  border-bottom: 1px solid #1e293b;
}

.td-cmd-line {
  line-height: 1.4;
}

.td-cmd-line .cmd-tag {
  color: var(--td-teal-bright);
  font-weight: 700;
  margin-right: 6px;
}

.td-cmd-input-row {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  gap: 8px;
  background: #0b1324;
}

.td-cmd-prompt {
  font-family: var(--td-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: #38bdf8;
  white-space: nowrap;
}

.td-cmd-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #f8fafc;
  font-family: var(--td-font-mono);
  font-size: 0.8rem;
  outline: none;
}

/* Barra de Status Inferior de Precisao */
.td-status-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #0f172a;
  border: 1px solid var(--td-border);
  border-radius: var(--td-radius-md);
  padding: 6px 12px;
}

.td-status-toggles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.td-status-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 9px;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 4px;
  color: #94a3b8;
  font-family: var(--td-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.td-status-toggle:hover {
  color: #fff;
  border-color: #64748b;
}

.td-status-toggle.active {
  background: rgba(16, 185, 129, 0.18);
  border-color: rgba(16, 185, 129, 0.5);
  color: #34d399;
}

.td-status-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.td-status-badge {
  font-family: var(--td-font-mono);
  font-size: 0.74rem;
  color: #94a3b8;
  background: #0b1324;
  border: 1px solid #1e293b;
  padding: 3px 8px;
  border-radius: 4px;
}

/* Modal de Carimbos e Legendas */
.td-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(5px);
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.td-modal {
  width: 100%;
  background: #0f172a;
  border: 1px solid #334155;
  border-radius: var(--td-radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.75);
  overflow: hidden;
}

.td-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: #0b1324;
  border-bottom: 1px solid #1e293b;
}

.td-modal-header h3 {
  margin: 0;
  font-family: var(--td-font-title);
  font-size: 1.15rem;
  color: #f8fafc;
  display: flex;
  align-items: center;
  gap: 8px;
}

.td-modal-close {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 1.1rem;
  cursor: pointer;
}

.td-modal-close:hover {
  color: #fff;
}

.td-modal-body {
  padding: 20px;
  max-height: 75vh;
  overflow-y: auto;
}

.td-stamps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.td-stamp-card {
  background: #0b1324;
  border: 1px solid #1e293b;
  border-radius: var(--td-radius-md);
  padding: 12px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.td-stamp-card:hover {
  border-color: #38bdf8;
  transform: translateY(-2px);
  background: #131f38;
}

.td-stamp-preview {
  border: 2px solid #38bdf8;
  border-radius: 4px;
  padding: 8px 10px;
  text-align: center;
  font-family: var(--td-font-mono);
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.td-stamp-preview strong {
  font-size: 0.78rem;
}

.td-stamp-preview span {
  font-size: 0.65rem;
  opacity: 0.85;
}

.td-stamp-info h4 {
  margin: 0 0 4px;
  font-size: 0.88rem;
  color: #f1f5f9;
}

.td-stamp-info p {
  margin: 0;
  font-size: 0.75rem;
  color: #94a3b8;
  line-height: 1.35;
}

/* ==========================================================================
   MODO TELA CHEIA SOBERANO (APP FULLSCREEN - STUDIO CAD & PREVIEW)
   ========================================================================== */
body.td-app-fullscreen {
  overflow: hidden !important;
}

body.td-app-fullscreen #header-container,
body.td-app-fullscreen #footer-container,
body.td-app-fullscreen .td-hero,
body.td-app-fullscreen .td-tabs-nav,
body.td-app-fullscreen #btn-back-to-top {
  display: none !important;
}

body.td-app-fullscreen .td-main {
  max-width: 100vw !important;
  width: 100vw !important;
  height: 100vh !important;
  margin: 0 !important;
  padding: 8px !important;
  position: fixed !important;
  inset: 0 !important;
  z-index: 9999 !important;
  background: #060a12 !important;
  overflow: hidden !important;
  display: flex !important;
  flex-direction: column !important;
}

body.td-app-fullscreen #td-tab-studio.active {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 !important;
  height: 100% !important;
  overflow: hidden !important;
}

body.td-app-fullscreen .td-studio-container {
  flex: 1 !important;
  height: 100% !important;
  gap: 8px !important;
  overflow: hidden !important;
}

body.td-app-fullscreen .td-studio-workspace {
  flex: 1 !important;
  height: calc(100vh - 155px) !important;
  min-height: 0 !important;
}

body.td-app-fullscreen .td-studio-viewport {
  height: 100% !important;
}

body.td-app-fullscreen .td-studio-sidepanel {
  max-height: 100% !important;
}

body.td-app-fullscreen #td-tab-convert.active {
  display: flex !important;
  flex-direction: column !important;
  flex: 1 !important;
  height: 100% !important;
  overflow-y: auto !important;
}

body.td-app-fullscreen .td-preview-panel {
  flex: 1 !important;
  display: flex !important;
  flex-direction: column !important;
  margin-bottom: 0 !important;
}

body.td-app-fullscreen .td-preview-canvas-container {
  flex: 1 !important;
  height: calc(100vh - 180px) !important;
}

/* Responsividade Geral */
@media (max-width: 1024px) {
  .td-studio-workspace {
    grid-template-columns: 44px 1fr;
  }
  .td-studio-sidepanel {
    grid-column: span 2;
    max-height: none;
  }
  .td-studio-viewport {
    height: 480px;
  }
}

@media (max-width: 768px) {
  .td-hero {
    margin-top: 100px;
    padding: 24px 16px;
  }
  .td-hero h1 {
    font-size: 1.8rem;
  }
  .td-options-grid {
    grid-template-columns: 1fr;
  }
  .td-preview-canvas-container {
    height: 340px;
  }
  .td-ribbon-group {
    border-right: none;
    padding-right: 0;
  }
}