/* ==========================================================================
   Synaptic — Composer + Welcome Suggestions
   Phase 18C
   ========================================================================== */

/* ----- Welcome Suggestions Grid ----- */
.synaptic-v2 .sv2-suggestions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  max-width: 720px;
  margin: var(--space-8) auto var(--space-6);
  padding: 0 var(--space-4);
}

@media (max-width: 880px) {
  .synaptic-v2 .sv2-suggestions { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .synaptic-v2 .sv2-suggestions { grid-template-columns: 1fr; }
}

.synaptic-v2 .sv2-suggestion {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.synaptic-v2 .sv2-suggestion:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.synaptic-v2 .sv2-suggestion svg {
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ----- Composer Container ----- */
.synaptic-v2 .sv2-composer-wrapper {
  display: flex;
  justify-content: center;
  padding: 0 var(--space-4) var(--space-5);
}

.synaptic-v2 .sv2-composer {
  width: 100%;
  max-width: var(--composer-max-width);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  overflow: hidden;
}

.synaptic-v2 .sv2-composer:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle), var(--shadow-md);
}

/* Drag-over state */
.synaptic-v2 .sv2-composer.sv2-dragover {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

/* ----- Preview Area (uploaded files) ----- */
.synaptic-v2 .sv2-preview {
  padding: var(--space-3) var(--space-4) 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ----- Input Row (textarea) ----- */
.synaptic-v2 .sv2-input-row {
  display: flex;
  align-items: flex-end;
  padding: var(--space-3) var(--space-4) var(--space-2);
  gap: var(--space-2);
}

.synaptic-v2 .sv2-textarea {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-md);
  line-height: var(--leading-relaxed);
  resize: none;
  padding: var(--space-2) 0;
  max-height: 200px;
  min-height: 24px;
}

.synaptic-v2 .sv2-textarea::placeholder {
  color: var(--color-text-tertiary);
}

/* ----- Toolbar (model selector + actions) ----- */
.synaptic-v2 .sv2-composer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3) var(--space-3);
  gap: var(--space-2);
}

.synaptic-v2 .sv2-toolbar-left,
.synaptic-v2 .sv2-toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ----- Attach Button ----- */
.synaptic-v2 .sv2-attach {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.synaptic-v2 .sv2-attach:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
}
.synaptic-v2 .sv2-attach svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.75;
}

/* ----- Image Generation Button ----- */
.synaptic-v2 .sv2-image-btn {
  position: relative;
}
.synaptic-v2 .sv2-image-btn-active {
}
.synaptic-v2 .sv2-image-btn-active svg {
  stroke: var(--color-accent);
}

/* ----- Generated Image Display ----- */
.synaptic-v2 .sv2-gen-image-wrap {
  margin-top: var(--space-3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  max-width: 520px;
}
.synaptic-v2 .sv2-gen-image-container {
  width: 100%;
  background: var(--color-surface-hover);
}
.synaptic-v2 .sv2-gen-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.synaptic-v2 .sv2-gen-image-caption {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.synaptic-v2 .sv2-gen-image-actions {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border);
}
.synaptic-v2 .sv2-gen-image-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}
.synaptic-v2 .sv2-gen-image-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}

/* Image Generation Button */
.synaptic-v2 .sv2-image-btn {
  position: relative;
}
.synaptic-v2 .sv2-image-btn-active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-accent);
}
.synaptic-v2 .sv2-image-btn-active svg {
  stroke: var(--color-accent);
}

/* Generated Image Display */
.synaptic-v2 .sv2-gen-image-wrap {
  margin-top: var(--space-3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  max-width: 520px;
}
.synaptic-v2 .sv2-gen-image-container {
  width: 100%;
  background: var(--color-surface-hover);
}
.synaptic-v2 .sv2-gen-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.synaptic-v2 .sv2-gen-image-caption {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.synaptic-v2 .sv2-gen-image-actions {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border);
}
.synaptic-v2 .sv2-gen-image-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}
.synaptic-v2 .sv2-gen-image-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}


/* ----- Image Generation Button ----- */
.synaptic-v2 .sv2-image-btn {
  position: relative;
}
.synaptic-v2 .sv2-image-btn-active {
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  color: var(--color-accent);
}
.synaptic-v2 .sv2-image-btn-active svg {
  stroke: var(--color-accent);
}

/* ----- Generated Image Display ----- */
.synaptic-v2 .sv2-gen-image-wrap {
  margin-top: var(--space-3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  max-width: 520px;
}
.synaptic-v2 .sv2-gen-image-container {
  width: 100%;
  background: var(--color-surface-hover);
}
.synaptic-v2 .sv2-gen-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.synaptic-v2 .sv2-gen-image-caption {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-border);
  font-style: italic;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.synaptic-v2 .sv2-gen-image-actions {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-border);
}
.synaptic-v2 .sv2-gen-image-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
}
.synaptic-v2 .sv2-gen-image-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
}

/* ----- Send Button (circle, accent) ----- */
.synaptic-v2 .sv2-send {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--color-accent);
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.synaptic-v2 .sv2-send:hover:not(:disabled) {
  background: var(--color-accent-hover);
}
.synaptic-v2 .sv2-send:active:not(:disabled) {
  transform: scale(0.95);
}
.synaptic-v2 .sv2-send:disabled {
  background: var(--color-border-strong);
  cursor: not-allowed;
  opacity: 0.6;
}
.synaptic-v2 .sv2-send svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.5;
}

/* ----- Model Selector Button ----- */
.synaptic-v2 .sv2-model-selector {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}
.synaptic-v2 .sv2-model-selector:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}
.synaptic-v2 .sv2-model-selector svg {
  width: 14px;
  height: 14px;
}
.synaptic-v2 .sv2-model-selector .sv2-model-spark {
  color: var(--color-accent);
}

/* ----- Model Dropdown Menu ----- */
.synaptic-v2 .sv2-model-menu {
  position: absolute;
  bottom: 100%;
  left: 0;
  margin-bottom: var(--space-2);
  min-width: 280px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  z-index: var(--z-dropdown);
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.synaptic-v2 .sv2-model-menu.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.synaptic-v2 .sv2-model-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  width: 100%;
  padding: var(--space-3);
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.synaptic-v2 .sv2-model-option:hover {
  background: var(--color-surface-hover);
}

.synaptic-v2 .sv2-model-option-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.synaptic-v2 .sv2-model-option-icon svg {
  width: 16px;
  height: 16px;
}

.synaptic-v2 .sv2-model-option-text {
  flex: 1;
  min-width: 0;
}
.synaptic-v2 .sv2-model-option-name {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}
.synaptic-v2 .sv2-model-option-desc {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.synaptic-v2 .sv2-model-option-check {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 8px;
  opacity: 0;
}
.synaptic-v2 .sv2-model-option.active .sv2-model-option-check {
  opacity: 1;
}
.synaptic-v2 .sv2-model-option.active .sv2-model-option-name {
  color: var(--color-accent-text);
}

/* Fix: allow model dropdown to overflow composer container */
.synaptic-v2 .sv2-composer {
  overflow: visible;
}
.synaptic-v2 .sv2-composer .sv2-preview {
  border-top-left-radius: var(--radius-xl);
  border-top-right-radius: var(--radius-xl);
  overflow: hidden;
}

/* ----- Welcome Screen Dark Mode Support ----- */
.synaptic-v2.welcome-screen,
.synaptic-v2 .welcome-screen,
.welcome-screen.synaptic-v2 {
  background: transparent;
}

/* Greeting text inherits theme */
.synaptic-v2 .greeting,
.welcome-screen.synaptic-v2 .greeting {
  color: var(--color-text-primary);
}

.synaptic-v2 .greeting-sub,
.welcome-screen.synaptic-v2 .greeting-sub {
  color: var(--color-text-secondary);
}

/* ----- Main Content Area Dark Mode ----- */
/* When sidebar is sv2-themed, also theme the sibling main-content */
.synaptic-v2.sv2-sidebar ~ .main-content,
[data-theme="dark"] .main-content,
[data-theme="light"] .main-content {
  background: var(--color-bg);
  color: var(--color-text-primary);
  transition: background var(--transition-slow), color var(--transition-slow);
}

/* Auto-detect dark mode for main content */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .main-content {
    background: var(--color-bg);
    color: var(--color-text-primary);
  }
}

/* ----- Composer positioned correctly within main content ----- */
.synaptic-v2.input-area,
.input-area.synaptic-v2 {
  background: var(--color-bg);
  padding-top: var(--space-3);
  border-top: 1px solid transparent;
}

/* When dark mode active, add subtle separator */
[data-theme="dark"] .input-area.synaptic-v2 {
  border-top-color: var(--color-border);
}

/* ----- Model Dropdown Positioning Fix (Phase 18C-fix2) ----- */
.synaptic-v2 .sv2-model-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  max-height: 400px;
  overflow-y: auto;
  z-index: 9999;
}

/* Ensure model selector creates positioning context */
.synaptic-v2 .sv2-model-selector {
  position: relative;
  overflow: visible;
}

/* Allow composer to overflow for dropdowns */
.synaptic-v2 .sv2-composer-wrapper,
.synaptic-v2 .input-area,
.synaptic-v2 .sv2-composer-toolbar {
  overflow: visible !important;
}

/* But keep main content scroll boundary */
.synaptic-v2 .sv2-toolbar-left {
  position: relative;
}

/* ============================================================
   PHASE 18K: GENERATED FILE CARDS (PDF/Excel/CSV/Word/Chart)
   ============================================================ */
.synaptic-v2 .sv2-file-cards-wrap {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-3);
  max-width: 520px;
}
.synaptic-v2 .sv2-file-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: all var(--transition-fast);
}
.synaptic-v2 .sv2-file-card:hover {
  border-color: var(--color-accent);
  background: var(--color-surface-hover);
}
.synaptic-v2 .sv2-file-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  font-size: 22px;
  flex-shrink: 0;
}
.synaptic-v2 .sv2-file-info {
  flex: 1;
  min-width: 0;
}
.synaptic-v2 .sv2-file-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.synaptic-v2 .sv2-file-meta {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-top: 2px;
}
.synaptic-v2 .sv2-file-download {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: white;
  text-decoration: none;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}
.synaptic-v2 .sv2-file-download:hover {
  filter: brightness(1.1);
  transform: scale(1.05);
}
.synaptic-v2 .sv2-file-download svg {
  display: block;
}

/* ============================================================
   PHASE 18K POLISH: TWO-BUTTON FILE CARD + PREVIEW MODAL
   ============================================================ */

/* Two-button actions in file card */
.synaptic-v2 .sv2-file-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}
.synaptic-v2 .sv2-file-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.synaptic-v2 .sv2-file-btn:hover {
  background: var(--color-surface-hover);
  color: var(--color-text-primary);
  border-color: var(--color-text-secondary);
}
.synaptic-v2 .sv2-file-btn-download,
.synaptic-v2 .sv2-file-btn-download:link,
.synaptic-v2 .sv2-file-btn-download:visited,
.synaptic-v2 .sv2-file-btn-download:active {
  background: var(--color-accent) !important;
  color: #ffffff !important;
  border-color: var(--color-accent) !important;
}
.synaptic-v2 .sv2-file-btn-download:hover {
  filter: brightness(1.1);
  color: #ffffff !important;
  border-color: var(--color-accent) !important;
}
.synaptic-v2 .sv2-file-btn-download svg,
.synaptic-v2 .sv2-file-btn-download span {
  color: #ffffff !important;
  stroke: #ffffff !important;
}
.synaptic-v2 .sv2-file-btn svg {
  display: block;
  flex-shrink: 0;
}

/* Hide old single download button if still present */
.synaptic-v2 .sv2-file-download {
  display: none;
}

/* Preview Modal */
.synaptic-v2 .sv2-preview-modal,
.sv2-preview-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: sv2PreviewFadeIn 0.18s ease-out;
}
@keyframes sv2PreviewFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.sv2-preview-backdrop {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.sv2-preview-container {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 90vw;
  max-width: 1000px;
  height: 88vh;
  max-height: 900px;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.4);
  animation: sv2PreviewSlideIn 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes sv2PreviewSlideIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.sv2-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid #e5e7eb;
  background: #fafafa;
  flex-shrink: 0;
}
.sv2-preview-title {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sv2-preview-header-actions {
  display: flex;
  gap: 8px;
}
.sv2-preview-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  background: #ffffff;
  color: #6b7280;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}
.sv2-preview-btn:hover {
  background: #f3f4f6;
  color: #111827;
  border-color: #9ca3af;
}
.sv2-preview-body {
  flex: 1;
  overflow: auto;
  background: #f9fafb;
  display: flex;
  align-items: stretch;
  justify-content: center;
}
.sv2-preview-iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: #ffffff;
}
.sv2-preview-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  margin: auto;
  padding: 20px;
}
.sv2-preview-loading,
.sv2-preview-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: #6b7280;
  font-size: 14px;
}
.sv2-preview-fallback a {
  color: #6366f1;
  text-decoration: underline;
  margin-left: 4px;
}
.sv2-preview-csv {
  width: 100%;
  padding: 18px;
  overflow: auto;
}
.sv2-csv-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  font-size: 13px;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
}
.sv2-csv-table th {
  background: #f3f4f6;
  color: #111827;
  font-weight: 600;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 2px solid #e5e7eb;
  position: sticky;
  top: 0;
}
.sv2-csv-table td {
  padding: 9px 14px;
  border-bottom: 1px solid #f3f4f6;
  color: #374151;
}
.sv2-csv-table tr:last-child td {
  border-bottom: 0;
}
.sv2-csv-table tr:hover td {
  background: #fafafa;
}

/* Dark theme support */
[data-theme="dark"] .sv2-preview-container {
  background: #1f2937;
}
[data-theme="dark"] .sv2-preview-header {
  background: #111827;
  border-bottom-color: #374151;
}
[data-theme="dark"] .sv2-preview-title {
  color: #f9fafb;
}
[data-theme="dark"] .sv2-preview-btn {
  background: #1f2937;
  border-color: #374151;
  color: #d1d5db;
}
[data-theme="dark"] .sv2-preview-btn:hover {
  background: #374151;
  color: #ffffff;
}
[data-theme="dark"] .sv2-preview-body {
  background: #111827;
}
[data-theme="dark"] .sv2-csv-table {
  background: #1f2937;
  border-color: #374151;
}
[data-theme="dark"] .sv2-csv-table th {
  background: #111827;
  color: #f9fafb;
  border-bottom-color: #374151;
}
[data-theme="dark"] .sv2-csv-table td {
  color: #d1d5db;
  border-bottom-color: #374151;
}
[data-theme="dark"] .sv2-csv-table tr:hover td {
  background: #111827;
}

/* Mobile */
@media (max-width: 640px) {
  .sv2-preview-container {
    width: 96vw;
    height: 92vh;
    border-radius: 8px;
  }
  .synaptic-v2 .sv2-file-btn span {
    display: none;
  }
  .synaptic-v2 .sv2-file-btn {
    padding: 6px 8px;
  }
}


/* ── Disclaimer footer ── */
.sv2-disclaimer {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted, #9ca3af);
  margin: 4px auto 0;
  padding: 0 16px;
  max-width: 720px;
  line-height: 1.4;
}
.sv2-disclaimer a {
  color: var(--text-muted, #9ca3af);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.sv2-disclaimer a:hover {
  color: var(--text-secondary, #6b7280);
}
[data-theme="dark"] .sv2-disclaimer {
  color: #4b5563;
}
[data-theme="dark"] .sv2-disclaimer a {
  color: #4b5563;
}
[data-theme="dark"] .sv2-disclaimer a:hover {
  color: #6b7280;
}

/* ── Phase 18N: Voice UI ─────────────────────────────────────── */

/* Mic button — idle state */
.sv2-mic-btn {
    transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}

/* Mic button — active/listening state */
.sv2-mic-btn.sv2-mic-active {
    background: #EF4444 !important;
    color: white !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25);
    animation: sv2-mic-pulse 1.2s ease-in-out infinite;
}

@keyframes sv2-mic-pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25); }
    50%       { box-shadow: 0 0 0 6px rgba(239, 68, 68, 0.10); }
}

/* Speaker button — playing state */
.sv2-speak-response.sv2-speaking {
    color: var(--accent, #7C3AED) !important;
    animation: sv2-speaker-pulse 1s ease-in-out infinite;
}

@keyframes sv2-speaker-pulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.5; }
}