/**
 * Multi Tube Views (MTV) — Social Media Research & SEO Tools CSS
 * Apple-inspired clean minimalism, high contrast, compact modular layout.
 */

.seo-tools-hero {
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
}

.seo-tools-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.seo-tools-title-area {
  flex: 1;
  min-width: 280px;
}

.seo-tools-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.seo-tools-title .badge-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  color: var(--text-primary);
  border: 1px solid var(--border-strong);
}

.seo-tools-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
  max-width: 760px;
}

/* Category Navigation Bar */
.category-nav-scroll {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 1rem 0 0.5rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.category-nav-scroll::-webkit-scrollbar {
  height: 4px;
}

.category-nav-scroll::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
}

.category-pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.category-pill-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  border-color: var(--text-secondary);
}

.category-pill-btn.active {
  background: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
}

.category-pill-btn .pill-count {
  font-size: 0.75rem;
  opacity: 0.8;
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  background: rgba(128, 128, 128, 0.15);
}

.category-pill-btn.active .pill-count {
  background: rgba(255, 255, 255, 0.25);
  color: var(--text-inverse);
}

/* Search & Filter Toolbar */
.seo-toolbar {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin: 1.5rem 0 1.25rem;
  flex-wrap: wrap;
}

.seo-search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
  max-width: 480px;
}

.seo-search-box input {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.4rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-primary);
  font-size: 0.9rem;
}

.seo-search-box input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.seo-search-box svg {
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.seo-quick-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* Active Tool Runner Panel */
.active-runner-modal {
  display: none;
  margin-bottom: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: fadeIn 0.2s ease-out;
}

.active-runner-modal.open {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.runner-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.runner-header-info h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.runner-header-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

.runner-body {
  padding: 1.5rem;
}

/* Compact Form Grid */
.runner-form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .runner-form-grid {
    grid-template-columns: 3fr 2fr;
  }
}

.input-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-primary);
}

.input-card-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  margin: 0 0 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-group {
  margin-bottom: 1rem;
}

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

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.form-label .optional-tag {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-left: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.6rem 0.85rem;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-primary);
  transition: border-color var(--transition-speed) ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
}

textarea.form-control {
  min-height: 80px;
  resize: vertical;
}

/* Multi-Platform Selector */
.platform-chips-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.35rem;
}

.platform-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-speed) ease;
}

.platform-chip:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.platform-chip.selected {
  background: var(--accent-primary);
  color: var(--text-inverse);
  border-color: var(--accent-primary);
}

.chip-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.chip-action-link {
  font-size: 0.75rem;
  color: var(--accent-blue);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

/* Preset Buttons */
.presets-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.btn-preset {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-subtle);
  color: var(--text-secondary);
  cursor: pointer;
}

.btn-preset:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* Action Button Bar */
.runner-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.privacy-notice {
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Results Workspace */
.results-container {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-strong);
}

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.results-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.verified-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--success-text);
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.results-actions {
  display: flex;
  gap: 0.5rem;
}

/* Results Grid */
.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 840px) {
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.result-card {
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.result-card-full {
  grid-column: 1 / -1;
}

.result-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.result-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.copy-btn-mini {
  background: none;
  border: 1px solid var(--border-strong);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.copy-btn-mini:hover {
  color: var(--text-primary);
  background: var(--bg-subtle);
}

.copy-btn-mini.copied {
  color: var(--success-text);
  border-color: var(--success-text);
}

/* Keyword & Hashtag Pills */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.interactive-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-speed) ease;
}

.interactive-tag:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.interactive-tag.hashtag {
  color: var(--accent-blue);
  font-weight: 600;
}

/* Score Meter */
.score-box {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
}

.score-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 3px solid var(--success-text);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.score-circle span {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.score-details {
  flex: 1;
}

.factor-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.factor-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.factor-item strong {
  color: var(--text-primary);
}

/* Checklist Items */
.checklist-items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  line-height: 1.4;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}

.checklist-item input[type="checkbox"] {
  margin-top: 0.2rem;
  accent-color: var(--accent-blue);
}

.checklist-item.done {
  text-decoration: line-through;
  color: var(--text-muted);
}

/* Platform Tabs */
.platform-results-nav {
  display: flex;
  gap: 0.4rem;
  border-bottom: 1px solid var(--border-strong);
  margin-bottom: 1rem;
  overflow-x: auto;
}

.platform-tab-btn {
  padding: 0.5rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  cursor: pointer;
  white-space: nowrap;
}

.platform-tab-btn.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent-primary);
}

/* 60 Tools Master Grid */
.tools-grid-section {
  margin-top: 2rem;
}

.tools-grid-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.tools-grid-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 600px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1200px) {
  .tools-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.tool-compact-card {
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.75rem;
  transition: all var(--transition-speed) ease;
  cursor: pointer;
  position: relative;
}

.tool-compact-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-md);
}

.tool-compact-card.active-selected {
  border-color: var(--accent-blue);
  background: var(--bg-hover);
}

.tool-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.tool-id-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.tool-category-badge {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.tool-compact-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.3;
}

.tool-compact-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
  margin: 0;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-subtle);
}

.tool-platform-icons {
  display: flex;
  gap: 0.25rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-open-tool {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-blue);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.btn-open-tool:hover {
  text-decoration: underline;
}

/* Loading Skeleton */
.loading-state {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-secondary);
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border-strong);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

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