/* ══════════════════════════════════════════
   Visual Abstract Generator — Styles
   Palette: #B1ADAF #F9AD29 #F37B27 #616161 #E10E50 #62C4E3
   ══════════════════════════════════════════ */

:root {
  --va-gray-light: #B1ADAF;
  --va-gold: #F9AD29;
  --va-orange: #F37B27;
  --va-gray-dark: #616161;
  --va-magenta: #E10E50;
  --va-blue: #62C4E3;
  --va-bg: #fafafa;
  --va-card-bg: #ffffff;
  --va-radius: 14px;
  --va-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

/* ── Layout ── */
.va-app {
  max-width: 960px;
  margin: 0 auto;
  padding: 6rem 1rem 4rem;
}

.va-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.va-header h1 {
  font-family: 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: 1.6rem;
  color: var(--va-gray-dark);
  margin-bottom: 0.4rem;
}

.va-header p {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  color: var(--va-gray-light);
}

/* ── Screens ── */
.va-screen {
  display: none;
}

.va-screen.active {
  display: block;
}

/* ── Step indicator ── */
.va-steps {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.va-step {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--va-gray-light);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  border: 1.5px solid transparent;
  transition: all 0.3s ease;
}

.va-step.active {
  color: var(--va-magenta);
  border-color: var(--va-magenta);
  background: rgba(225, 14, 80, 0.05);
}

.va-step.done {
  color: var(--va-blue);
  border-color: var(--va-blue);
  background: rgba(98, 196, 227, 0.08);
}

.va-step-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--va-gray-light);
  transition: background 0.3s ease;
}

.va-step.active .va-step-dot {
  background: var(--va-magenta);
}

.va-step.done .va-step-dot {
  background: var(--va-blue);
}

.va-step-divider {
  width: 24px;
  height: 1.5px;
  background: var(--va-gray-light);
  opacity: 0.4;
  align-self: center;
}

/* ── Panel (shared card container) ── */
.va-panel {
  background: var(--va-card-bg);
  border: 1px solid #e8e8e8;
  border-radius: var(--va-radius);
  padding: 2rem;
  box-shadow: var(--va-shadow);
  margin-bottom: 1.5rem;
}

.va-panel-title {
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--va-gray-light);
  margin-bottom: 1.2rem;
}

/* ── Upload zone ── */
.va-dropzone {
  border: 2.5px dashed var(--va-gray-light);
  border-radius: var(--va-radius);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.25s ease;
  position: relative;
}

.va-dropzone:hover,
.va-dropzone.dragover {
  border-color: var(--va-magenta);
  background: rgba(225, 14, 80, 0.03);
}

.va-dropzone-icon {
  font-size: 2.5rem;
  color: var(--va-gray-light);
  margin-bottom: 0.8rem;
  transition: color 0.25s ease;
}

.va-dropzone:hover .va-dropzone-icon {
  color: var(--va-magenta);
}

.va-dropzone-text {
  font-size: 0.95rem;
  color: var(--va-gray-dark);
  font-weight: 600;
}

.va-dropzone-hint {
  font-size: 0.8rem;
  color: var(--va-gray-light);
  margin-top: 0.3rem;
}

.va-dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.va-file-info {
  display: none;
  align-items: center;
  gap: 0.8rem;
  padding: 0.8rem 1rem;
  background: rgba(98, 196, 227, 0.08);
  border: 1.5px solid var(--va-blue);
  border-radius: 10px;
  margin-top: 1rem;
}

.va-file-info.visible {
  display: flex;
}

.va-file-name {
  flex: 1;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--va-gray-dark);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.va-file-remove {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--va-gray-light);
  transition: color 0.15s;
  padding: 0;
  line-height: 1;
}

.va-file-remove:hover {
  color: var(--va-magenta);
}

/* ── API Key ── */
.va-apikey-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1.2rem;
}

.va-apikey-row input {
  flex: 1;
  padding: 0.6rem 0.8rem;
  border: 1.5px solid #ddd;
  border-radius: 8px;
  font-size: 0.85rem;
  font-family: 'Monaco', 'Consolas', monospace;
  outline: none;
  transition: border-color 0.2s;
}

.va-apikey-row input:focus {
  border-color: var(--va-blue);
}

.va-apikey-row label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--va-gray-dark);
  white-space: nowrap;
}

.va-apikey-hint {
  font-size: 0.72rem;
  color: var(--va-gray-light);
  margin-top: 0.4rem;
}

/* ── Manual notes ── */
.va-notes-area {
  margin-top: 1.5rem;
}

.va-notes-area label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--va-gray-dark);
  margin-bottom: 0.4rem;
}

.va-notes-area textarea {
  width: 100%;
  min-height: 100px;
  padding: 0.8rem;
  border: 1.5px solid #ddd;
  border-radius: 10px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.88rem;
  color: var(--va-gray-dark);
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.va-notes-area textarea:focus {
  border-color: var(--va-orange);
}

.va-notes-area .va-notes-hint {
  font-size: 0.72rem;
  color: var(--va-gray-light);
  margin-top: 0.3rem;
}

/* ── Buttons ── */
.va-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border: none;
  border-radius: 50px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}

.va-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.va-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.va-btn-primary {
  background: linear-gradient(135deg, var(--va-magenta), var(--va-orange));
  color: #fff;
}

.va-btn-secondary {
  background: var(--va-card-bg);
  color: var(--va-gray-dark);
  border: 1.5px solid #ddd;
}

.va-btn-secondary:hover:not(:disabled) {
  border-color: var(--va-gray-dark);
}

.va-btn-export {
  background: linear-gradient(135deg, var(--va-blue), #3ba8d4);
  color: #fff;
}

.va-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1.5rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* ── Loading spinner ── */
.va-loading {
  display: none;
  text-align: center;
  padding: 2rem;
}

.va-loading.visible {
  display: block;
}

.va-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid #eee;
  border-top-color: var(--va-magenta);
  border-radius: 50%;
  animation: va-spin 0.7s linear infinite;
  margin: 0 auto 0.8rem;
}

@keyframes va-spin {
  to { transform: rotate(360deg); }
}

.va-loading-text {
  font-size: 0.85rem;
  color: var(--va-gray-light);
  font-weight: 600;
}

/* ── Editor fields ── */
.va-field {
  margin-bottom: 1.2rem;
}

.va-field label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--va-gray-light);
  margin-bottom: 0.3rem;
}

.va-field input,
.va-field textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 8px;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 0.9rem;
  color: var(--va-gray-dark);
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.va-field textarea {
  min-height: 70px;
  resize: vertical;
}

.va-field input:focus,
.va-field textarea:focus {
  border-color: var(--va-magenta);
}

.va-field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ── Image prompt fields ── */
.va-field-imgprompt {
  margin-bottom: 1.5rem;
  padding-left: 0.8rem;
  border-left: 2.5px solid #e8e8e8;
}

.va-imgprompt-row {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.va-imgprompt-row input {
  flex: 1;
  padding: 0.45rem 0.6rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 6px;
  font-size: 0.8rem;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--va-gray-dark);
  outline: none;
  transition: border-color 0.2s;
}

.va-imgprompt-row input:focus {
  border-color: var(--va-blue);
}

.va-btn-regen {
  font-size: 0.7rem !important;
  padding: 0.4rem 0.7rem !important;
  white-space: nowrap;
}

.va-imgpreview {
  display: none;
  margin-top: 0.5rem;
}

.va-imgpreview.visible {
  display: block;
}

.va-imgpreview img {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 8px;
  border: 1.5px solid #e8e8e8;
}

/* ── Select dropdown ── */
.va-select {
  flex: 1;
  padding: 0.6rem 0.8rem;
  border: 1.5px solid #ddd;
  border-radius: 8px;
  font-size: 0.85rem;
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  color: var(--va-gray-dark);
  background: #fff;
  outline: none;
  transition: border-color 0.2s;
  cursor: pointer;
}

.va-select:focus {
  border-color: var(--va-blue);
}

/* ── Logo picker ── */
.va-logo-picker {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  align-items: center;
}

.va-logo-option {
  width: 100px;
  height: 48px;
  border: 2px solid #e0e0e0;
  border-radius: 8px;
  padding: 4px 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  transition: border-color 0.2s, transform 0.15s;
  overflow: hidden;
}

.va-logo-option:hover {
  transform: scale(1.05);
}

.va-logo-option.selected {
  border-color: var(--va-magenta);
  box-shadow: 0 0 0 2px rgba(225, 14, 80, 0.15);
}

.va-logo-option img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.va-logo-option--none {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--va-gray-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ── Color swatches ── */
.va-color-picker {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.3rem;
}

.va-swatch {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 2.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.va-swatch:hover {
  transform: scale(1.12);
}

.va-swatch.selected {
  border-color: var(--va-gray-dark);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.1);
}

/* ── Preview area ── */
.va-preview-section {
  margin-bottom: 2rem;
}

.va-preview-label {
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--va-gray-light);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.va-preview-container {
  display: flex;
  justify-content: center;
  overflow-x: auto;
  padding: 1rem 0;
  gap: 1.5rem;
}

/* ── Visual Abstract Cards ── */
.va-card-single {
  width: 540px;
  height: 540px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.12);
  flex-shrink: 0;
  position: relative;
  display: flex;
  flex-direction: column;
}

.va-card-slide {
  width: 540px;
  height: 675px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.12);
  flex-shrink: 0;
  position: relative;
  display: flex;
  flex-direction: column;
}

.va-card-topbar {
  height: 6px;
  flex-shrink: 0;
}

.va-card-body {
  flex: 1;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  background: #fff;
}

.va-card-title {
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: #222;
  line-height: 1.3;
  margin-bottom: 0.8rem;
}

.va-card-authors {
  font-size: 0.72rem;
  color: var(--va-gray-light);
  margin-bottom: 0.6rem;
}

.va-card-journal {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.va-card-section-label {
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 0.4rem;
  margin-top: 0.6rem;
}

.va-card-section-text {
  font-size: 0.82rem;
  color: #444;
  line-height: 1.5;
  flex: 1;
}

/* ── Header row: logo + meta ── */
.va-card-header-row {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.va-card-logo {
  flex-shrink: 0;
  max-width: 220px;
  max-height: 40px;
  overflow: hidden;
}

.va-card-logo--small {
  max-width: 160px;
  max-height: 32px;
}

.va-card-logo img {
  max-width: 100%;
  height: auto;
  max-height: 40px;
  object-fit: contain;
  object-position: left center;
  display: block;
}

.va-card-logo--small img {
  max-height: 32px;
}

.va-card-meta {
  flex: 1;
  min-width: 0;
}

/* ── 3-box layout (single card) ── */
.va-card-body--single {
  padding: 0.8rem 1.2rem;
  overflow: hidden;
}

.va-card-body--single .va-card-title {
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.va-card-body--single .va-card-authors {
  margin-bottom: 0.4rem;
}

.va-card-body--single .va-card-header-row {
  margin-bottom: 0.4rem;
}

.va-card-boxes {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.va-card-box {
  border: 1.5px solid;
  border-radius: 8px;
  overflow: hidden;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.va-card-box-label {
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #fff;
  padding: 0.25rem 0.6rem;
}

.va-card-box-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.va-card-box-img {
  width: 72px;
  max-height: 72px;
  object-fit: contain;
  border-radius: 6px;
  flex-shrink: 1;
}

.va-card-box-text {
  font-size: 0.72rem;
  color: #333;
  line-height: 1.45;
  flex: 1;
}

.va-card-box-chart {
  width: auto;
  max-width: 140px;
  max-height: 100%;
  height: auto;
  border-radius: 4px;
  flex-shrink: 1;
  object-fit: contain;
}

/* Multi-image grid within a box */
.va-card-box-media-grid {
  display: flex;
  gap: 4px;
  flex-shrink: 1;
  align-items: center;
  min-height: 0;
  max-height: 100%;
}

.va-card-box-media-grid .va-card-box-img {
  width: 56px;
  height: 56px;
}

.va-card-box-media-grid .va-card-box-chart {
  max-width: 120px;
  max-height: 95px;
}

/* When box has only media, center it */
.va-card-box-content--media-only {
  justify-content: center;
}

.va-card-box-content--media-only .va-card-box-media-grid {
  justify-content: center;
}

.va-card-box-content--media-only .va-card-box-chart {
  max-width: 180px;
  max-height: 110px;
}

/* ── Key message mini-boxes ── */
.va-msg-boxes {
  display: flex;
  flex-direction: column;
  gap: 5px;
  width: 100%;
}

.va-msg-box {
  background: rgba(98, 196, 227, 0.08);
  border-left: 3.5px solid var(--va-blue);
  border-radius: 5px;
  padding: 0.3rem 0.5rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: #333;
  line-height: 1.35;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.va-card-footer {
  padding: 0.5rem 1.2rem;
  font-size: 0.62rem;
  color: var(--va-gray-light);
  text-align: right;
  border-top: 1px solid #f0f0f0;
  background: #fafafa;
  flex-shrink: 0;
}

.va-card-slide-number {
  position: absolute;
  top: 14px;
  right: 16px;
  font-size: 0.65rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
}

/* ── Colorblind-safe toggle ── */
.va-btn-cb {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.3rem 0.7rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--va-gray-dark);
  background: #f0f0f0;
  border: 1.5px solid #ddd;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
}

.va-btn-cb:hover {
  border-color: var(--va-blue);
  color: var(--va-blue);
}

.va-btn-cb.active {
  background: #0072B2;
  color: #fff;
  border-color: #0072B2;
}

/* ── Confidence badge ── */
.va-confidence {
  background: var(--va-card-bg);
  border-radius: var(--va-radius);
  padding: 0.8rem 1.2rem;
  margin-bottom: 1rem;
  font-size: 0.82rem;
  color: var(--va-gray-dark);
  box-shadow: var(--va-shadow);
  line-height: 1.5;
}

.va-confidence-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

.va-confidence-warnings {
  margin: 0.4rem 0 0 1.2rem;
  padding: 0;
  font-size: 0.75rem;
  color: #888;
}

.va-confidence-warnings li {
  margin-bottom: 0.15rem;
}

/* ── Editable states ── */
[contenteditable="true"] {
  outline: none;
  border-radius: 3px;
  transition: box-shadow 0.15s;
}

[contenteditable="true"]:hover {
  box-shadow: 0 0 0 2px rgba(225, 14, 80, 0.15);
}

[contenteditable="true"]:focus {
  box-shadow: 0 0 0 2px rgba(225, 14, 80, 0.35);
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .va-app {
    padding: 5rem 0.8rem 3rem;
  }

  .va-panel {
    padding: 1.2rem;
  }

  .va-field-row {
    grid-template-columns: 1fr;
  }

  .va-steps {
    gap: 0.3rem;
  }

  .va-step {
    font-size: 0.6rem;
    padding: 0.3rem 0.5rem;
    letter-spacing: 0.8px;
  }

  .va-step-divider {
    width: 12px;
  }

  .va-card-single {
    width: 340px;
    height: 340px;
  }

  .va-card-slide {
    width: 340px;
    height: 425px;
  }

  .va-card-title {
    font-size: 0.9rem;
  }

  .va-preview-container {
    gap: 1rem;
  }

  .va-apikey-row {
    flex-direction: column;
    align-items: stretch;
  }
}