/* ============================================
   Meca3DLab - Ferramentas Interativas 3D
   STL Analyzer, Cost Calculator, Profile Gen
   ============================================ */

/* ========== PAGE HEADER ========== */
.ferramentas-hero {
  padding: calc(80px + var(--section-padding)) 0 var(--section-padding);
  text-align: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 113, 227, 0.12) 0%, transparent 60%);
}

.ferramentas-hero__tag {
  display: inline-block;
  padding: 0.35rem 1.15rem;
  background: rgba(0, 113, 227, 0.15);
  border: 1px solid rgba(0, 113, 227, 0.25);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.ferramentas-hero__title {
  margin-bottom: 1rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.ferramentas-hero__desc {
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto 2.5rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== TOOL SELECTOR CARDS ========== */
.tool-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: var(--container-max);
  margin: 0 auto;
}

.tool-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-glow));
  opacity: 0;
  transition: opacity var(--transition-base);
}

.tool-card:hover,
.tool-card.active {
  border-color: rgba(0, 113, 227, 0.4);
  background: var(--bg-elevated);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 113, 227, 0.1);
}

.tool-card:hover::before,
.tool-card.active::before {
  opacity: 1;
}

.tool-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 113, 227, 0.12);
  border: 1px solid rgba(0, 113, 227, 0.2);
  border-radius: var(--radius-md);
  margin: 0 auto 1.25rem;
  color: var(--accent-primary);
}

.tool-card__icon svg {
  width: 28px;
  height: 28px;
}

.tool-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.tool-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .tool-cards {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

/* ========== TOOL SECTIONS ========== */
.tool-section {
  padding: var(--section-padding) 0;
  display: none;
}

.tool-section.active {
  display: block;
}

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

.tool-section__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
}

.tool-section__desc {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========== STL ANALYZER ========== */
/* Dropzone */
.stl-dropzone {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--bg-secondary);
  position: relative;
}

.stl-dropzone:hover,
.stl-dropzone.dragover {
  border-color: var(--accent-primary);
  background: rgba(0, 113, 227, 0.05);
  box-shadow: 0 0 30px rgba(0, 113, 227, 0.15);
}

.stl-dropzone__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  color: var(--accent-primary);
  opacity: 0.8;
}

.stl-dropzone__title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.stl-dropzone__text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.stl-dropzone__input {
  display: none;
}

/* 3D Viewer */
.stl-viewer-container {
  display: none;
  margin-top: 2rem;
}

.stl-viewer-container.active {
  display: block;
}

.stl-viewer-wrapper {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
}

.stl-viewer {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  min-height: 400px;
}

.stl-viewer canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* View mode buttons */
.stl-viewer__controls {
  position: absolute;
  top: 1rem;
  right: 1rem;
  display: flex;
  gap: 0.5rem;
  z-index: 10;
}

.stl-view-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.stl-view-btn:hover,
.stl-view-btn.active {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background: rgba(0, 113, 227, 0.15);
}

.stl-view-btn svg {
  width: 18px;
  height: 18px;
}

/* File info bar */
.stl-file-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
}

.stl-file-info__name {
  font-weight: 600;
  color: var(--text-primary);
}

/* Analysis panel */
.stl-analysis {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  max-height: 600px;
}

.stl-analysis__header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stl-analysis__title {
  font-size: 1rem;
  font-weight: 700;
}

.stl-analysis__actions {
  display: flex;
  gap: 0.5rem;
}

.stl-analysis__body {
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
  flex: 1;
}

/* Analysis groups */
.analysis-group {
  margin-bottom: 1.5rem;
}

.analysis-group:last-child {
  margin-bottom: 0;
}

.analysis-group__label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.analysis-group__label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.analysis-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0;
  font-size: 0.88rem;
}

.analysis-row__key {
  color: var(--text-secondary);
}

.analysis-row__value {
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.analysis-row__value--accent {
  color: var(--accent-primary);
}

.analysis-row__value--success {
  color: var(--success);
}

.analysis-row__value--warning {
  color: var(--warning);
}

.analysis-row__value--danger {
  color: var(--danger);
}

/* Printer compatibility */
.printer-compat {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.printer-compat__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
}

.printer-compat__name {
  color: var(--text-secondary);
}

.printer-compat__status {
  font-weight: 600;
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.printer-compat__status--ok {
  color: var(--success);
}

.printer-compat__status--no {
  color: var(--danger);
}

/* Material selector */
.stl-material-select {
  margin-top: 1rem;
}

.stl-material-select label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 1024px) {
  .stl-viewer-wrapper {
    grid-template-columns: 1fr;
  }

  .stl-analysis {
    max-height: none;
  }

  .stl-viewer {
    min-height: 350px;
  }
}

@media (max-width: 480px) {
  .stl-viewer {
    min-height: 280px;
    aspect-ratio: 4 / 3;
  }

  .stl-dropzone {
    padding: 2rem 1rem;
  }
}

/* ========== COST CALCULATOR ========== */
.calc-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.calc-inputs {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.calc-results {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  position: sticky;
  top: 100px;
  align-self: start;
}

.calc-group {
  margin-bottom: 1.75rem;
}

.calc-group:last-child {
  margin-bottom: 0;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.calc-label__value {
  font-family: var(--font-mono);
  color: var(--accent-primary);
  font-size: 0.9rem;
}

/* Custom range slider */
.calc-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.calc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 113, 227, 0.4);
  transition: box-shadow var(--transition-fast);
}

.calc-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 18px rgba(0, 113, 227, 0.6);
}

.calc-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
  box-shadow: 0 0 10px rgba(0, 113, 227, 0.4);
}

/* Dimension inputs row */
.calc-dims {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.calc-dim-input {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.calc-dim-input label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc-dim-input input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  text-align: center;
  transition: border-color var(--transition-fast);
}

.calc-dim-input input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

/* Preset chips */
.calc-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.calc-preset {
  padding: 0.4rem 0.85rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.calc-preset:hover,
.calc-preset.active {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(0, 113, 227, 0.1);
}

/* Results */
.calc-results__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calc-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--border);
}

.calc-result-item:last-child {
  border-bottom: none;
}

.calc-result-item__label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.calc-result-item__value {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.calc-result-item--total {
  padding-top: 1.25rem;
  margin-top: 0.5rem;
  border-top: 2px solid var(--accent-primary);
  border-bottom: none;
}

.calc-result-item--total .calc-result-item__value {
  font-size: 1.5rem;
  color: var(--accent-primary);
}

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

  .calc-results {
    position: static;
  }

  .calc-dims {
    grid-template-columns: 1fr;
  }
}

/* ========== PROFILE GENERATOR ========== */
.profile-container {
  max-width: 900px;
  margin: 0 auto;
}

.profile-selectors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.profile-select-group {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.profile-select-group__title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.profile-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.profile-option {
  padding: 0.75rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.profile-option:hover {
  border-color: var(--border-light);
  color: var(--text-primary);
}

.profile-option.active {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(0, 113, 227, 0.1);
  box-shadow: 0 0 12px rgba(0, 113, 227, 0.15);
}

/* Generated Profile */
.profile-output {
  display: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.profile-output.active {
  display: block;
}

.profile-output__header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.profile-output__title {
  font-size: 1rem;
  font-weight: 700;
}

.profile-output__subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.profile-output__body {
  padding: 1.5rem;
}

.profile-params {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
}

.profile-param {
  padding: 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.profile-param__label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.profile-param__value {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.profile-param__unit {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 0.25rem;
}

/* Profile tips */
.profile-tips {
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  background: rgba(0, 113, 227, 0.06);
  border: 1px solid rgba(0, 113, 227, 0.15);
  border-radius: var(--radius-sm);
}

.profile-tips__title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.profile-tips__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.profile-tip {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  padding-left: 1.25rem;
  position: relative;
}

.profile-tip::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 6px;
  background: var(--accent-primary);
  border-radius: 50%;
}

/* Profile warnings */
.profile-warnings {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255, 171, 0, 0.08);
  border: 1px solid rgba(255, 171, 0, 0.2);
  border-radius: var(--radius-sm);
}

.profile-warnings__title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--warning);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.profile-warning {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.35rem;
}

.profile-warning::before {
  content: '!';
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--warning);
}

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

  .profile-params {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .profile-params {
    grid-template-columns: 1fr;
  }

  .profile-options {
    grid-template-columns: 1fr;
  }
}

/* ========== SHARED UTILITY STYLES ========== */
/* Small action buttons */
.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-action:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.btn-action svg {
  width: 14px;
  height: 14px;
}

/* Toast for copy success */
.copy-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  padding: 0.75rem 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--success);
  border-radius: var(--radius-sm);
  color: var(--success);
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 9999;
  opacity: 0;
  transition: all var(--transition-base);
  pointer-events: none;
}

.copy-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ========== CTA SECTION ========== */
.ferramentas-cta {
  text-align: center;
  padding: var(--section-padding) 0;
  background: var(--bg-secondary);
}

.ferramentas-cta__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

.ferramentas-cta__desc {
  color: var(--text-secondary);
  max-width: 550px;
  margin: 0 auto 2rem;
}

.ferramentas-cta__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== LOADING STATE ========== */
.stl-loading {
  display: none;
  text-align: center;
  padding: 3rem;
}

.stl-loading.active {
  display: block;
}

.stl-loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

.stl-loading__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ========== NEW FILE BUTTON ========== */
.stl-new-file {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}