/* ==========================================================================
   VoidFilters — Professional Axiom Trading Utility Stylesheet
   Design Philosophy: High-density, technical, non-vibe-coded, minimalist dark mode.
   ========================================================================== */

:root {
  --bg-page: #090a0d;
  --bg-surface: #0e1015;
  --bg-surface-elevated: #13161d;
  --bg-surface-active: #181c25;
  
  --border-subtle: #191c24;
  --border-default: #222631;
  --border-active: #313746;
  --border-emerald: rgba(16, 185, 129, 0.3);
  
  --text-primary: #f4f5f7;
  --text-secondary: #9ea5b3;
  --text-muted: #656c7b;
  --text-dim: #454b57;
  
  --color-emerald: #10b981;
  --color-emerald-bg: rgba(16, 185, 129, 0.08);
  --color-amber: #f59e0b;
  --color-amber-bg: rgba(245, 158, 11, 0.08);
  --color-cyan: #06b6d4;
  --color-cyan-bg: rgba(6, 182, 212, 0.08);
  --color-red: #ef4444;
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Plus Jakarta Sans", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, Menlo, monospace;
  
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --transition-fast: 0.12s ease;
  --transition-base: 0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.55;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* TOP STATUS & SOL TICKER BAR */
.top-bar {
  background: #060709;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.45rem 0;
  position: relative;
  z-index: 110;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.status-indicator-group {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-emerald);
}

.top-sol-item {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-sol-item strong {
  color: #fff;
  font-weight: 600;
}

.positive {
  color: var(--color-emerald);
  font-weight: 600;
}

.negative {
  color: var(--color-red);
  font-weight: 600;
}

.status-pill-secure {
  background: var(--color-emerald-bg);
  border: 1px solid var(--border-emerald);
  color: var(--color-emerald);
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  font-size: 0.68rem;
  font-weight: 600;
}

/* OFFICIAL SECURITY ADVISORY STRIP */
.official-security-strip {
  background: #07090c;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.5rem 0;
  font-size: 0.78rem;
}

.security-strip-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  text-align: center;
  flex-wrap: wrap;
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--border-emerald);
  padding: 2px 7px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--color-emerald);
}

.security-msg {
  color: var(--text-secondary);
}

.security-msg code {
  font-family: var(--font-mono);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-default);
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  color: #fff;
  font-weight: 600;
}

.security-msg .warn-care {
  color: var(--color-amber);
  font-weight: 600;
}

/* NAVIGATION HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(9, 10, 13, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-container {
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: #fff;
}

.brand-icon-svg {
  border-radius: 6px;
  vertical-align: middle;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.1;
}

.logo-title .brand-accent {
  color: var(--color-emerald);
}

.domain-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-item {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-item:hover {
  color: #fff;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  font-family: var(--font-sans);
}

.btn-sm {
  padding: 0.38rem 0.75rem;
  font-size: 0.78rem;
}

.btn-primary {
  background: var(--color-emerald);
  color: #000;
  border-color: var(--color-emerald);
}

.btn-primary:hover {
  background: #0ea371;
  border-color: #0ea371;
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border-color: var(--border-default);
}

.btn-secondary:hover {
  background: var(--bg-surface-elevated);
  border-color: var(--border-active);
  color: #fff;
}

.btn-block {
  width: 100%;
}


/* HERO SECTION */
.hero-section {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-content {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.tech-spec-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  padding: 4px 12px;
  border-radius: 9999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.badge-live-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-emerald);
}

.hero-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.6px;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: #fff;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 auto 2.25rem;
  max-width: 640px;
}

.spec-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.spec-strip-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
}

.spec-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-emerald);
  flex-shrink: 0;
}

.spec-info {
  display: flex;
  flex-direction: column;
}

.spec-info strong {
  font-size: 0.8rem;
  color: #fff;
  font-weight: 600;
}

.spec-info span {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* WORKBENCH SECTION */
.workbench-section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-emerald);
  letter-spacing: 0.5px;
  margin-bottom: 0.35rem;
  display: block;
}

.section-heading {
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  margin-bottom: 0.4rem;
}

.section-subheading {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.75rem;
}

.workbench-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.workbench-tabs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-default);
  background: #0b0c10;
  padding: 0 1rem;
}

.tabs-group {
  display: flex;
  gap: 0.25rem;
}

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  padding: 0.85rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: #fff;
}

.tab-btn.active {
  color: #fff;
  border-bottom-color: var(--color-emerald);
}

.tab-spec-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.workbench-body {
  padding: 1.75rem;
}

.pane-view {
  display: none;
}

.pane-view.active {
  display: block;
}

.drag-workbench-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.25rem;
  padding: 0.5rem 0;
}

.drag-instruction-text {
  max-width: 520px;
}

.drag-instruction-text h3 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
  color: #fff;
}

.drag-instruction-text p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.bookmarklet-btn-draggable {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #11141c;
  color: #fff;
  border: 1px solid var(--border-emerald);
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  cursor: grab;
  user-select: none;
  transition: all var(--transition-base);
}

.bookmarklet-btn-draggable:hover {
  background: #151a24;
  border-color: var(--color-emerald);
  transform: translateY(-1px);
}

.bookmarklet-btn-draggable:active {
  cursor: grabbing;
}

.btn-drag-handle {
  display: inline-flex;
  color: var(--color-emerald);
}

.btn-drag-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
  border-left: 1px solid var(--border-default);
  padding-left: 8px;
  margin-left: 2px;
}

.shortcut-guide-row {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #090a0d;
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.76rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.shortcut-guide-row kbd {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-default);
  color: #fff;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  font-size: 0.7rem;
}

.workbench-verified-footer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.verified-domain-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
}

.verified-domain-pill code {
  color: #fff;
  font-weight: 600;
}

/* FILTER SPEC SECTION */
.filters-spec-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.filter-spec-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.fsc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.fsc-id {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.fsc-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-xs);
}

.tag-emerald {
  background: var(--color-emerald-bg);
  border: 1px solid var(--border-emerald);
  color: var(--color-emerald);
}

.tag-amber {
  background: var(--color-amber-bg);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-amber);
}

.tag-cyan {
  background: var(--color-cyan-bg);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: var(--color-cyan);
}

.filter-spec-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.45rem;
}

.filter-spec-card .fsc-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.fsc-metrics-table {
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-label {
  color: var(--text-muted);
}

.metric-val {
  color: #fff;
  font-weight: 600;
}

/* ARCHITECTURE SECTION */
.architecture-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.arch-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.arch-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-emerald);
  margin-bottom: 1rem;
}

.arch-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.45rem;
  color: #fff;
}

.arch-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* BROWSER MATRIX */
.matrix-section {
  padding: 3rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.matrix-table th {
  background: #0b0c10;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: left;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-default);
}

.matrix-table td {
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.matrix-table tr:last-child td {
  border-bottom: none;
}

.matrix-table td strong {
  color: #fff;
}

.status-badge-supported {
  color: var(--color-emerald);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.status-badge-restricted {
  color: var(--text-muted);
  font-style: italic;
}

/* FAQ SECTION */
.faq-section {
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.faq-accordion {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.faq-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 1rem 1.25rem;
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-family: var(--font-sans);
}

.faq-arrow {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  transition: transform var(--transition-fast);
}

.faq-answer {
  display: none;
  padding: 0 1.25rem 1.15rem;
  color: var(--text-secondary);
  font-size: 0.82rem;
  line-height: 1.6;
}

.faq-answer strong {
  color: #fff;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-arrow {
  transform: rotate(45deg);
  color: var(--color-emerald);
}

/* FOOTER */
.site-footer {
  background: #060709;
  padding: 3rem 0 2rem;
  font-size: 0.8rem;
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand-col {
  max-width: 480px;
}

.footer-desc {
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.55;
  margin: 0.75rem 0 1rem;
}

.footer-official-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  padding: 5px 10px;
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  font-size: 0.74rem;
}

.footer-official-badge code {
  color: var(--color-emerald);
  font-family: var(--font-mono);
  font-weight: 600;
}

.footer-nav {
  display: flex;
  gap: 1.5rem;
}

.footer-nav a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: #fff;
}

.footer-bottom {
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* MODAL / HUD POPUP */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(6px);
}

.axiom-hud-popup {
  position: relative;
  width: 90%;
  max-width: 440px;
  background: #0d0f15;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
  z-index: 10;
  overflow: hidden;
}

.popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: #090b10;
  border-bottom: 1px solid var(--border-subtle);
}

.popup-brand {
  display: flex;
  align-items: center;
  gap: 9px;
}

.popup-name {
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.4px;
}

.popup-version {
  font-size: 0.65rem;
  background: var(--color-emerald);
  color: #000;
  padding: 1px 5px;
  border-radius: var(--radius-xs);
  font-family: var(--font-mono);
  font-weight: 700;
}

.popup-target {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.popup-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

.popup-close-btn:hover {
  color: #fff;
}

.popup-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.popup-intro {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.popup-filter-block {
  background: #090b10;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
}

.pf-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.3rem;
}

.pf-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pf-title-row h4 {
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
}

.pf-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.pf-dot.green { background: var(--color-emerald); }
.pf-dot.amber { background: var(--color-amber); }
.pf-dot.cyan { background: var(--color-cyan); }

.pf-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
}

.slider-control {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sc-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.sc-label strong {
  color: #fff;
}

.hud-range {
  width: 100%;
  accent-color: var(--color-emerald);
  cursor: pointer;
}

.switch {
  position: relative;
  display: inline-block;
  width: 28px;
  height: 16px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: #202430;
  transition: .2s;
  border-radius: 16px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 10px;
  width: 10px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .2s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--color-emerald);
}

input:checked + .slider:before {
  transform: translateX(12px);
}

.checkbox-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.checkbox-row label {
  display: flex;
  align-items: center;
  gap: 7px;
  cursor: pointer;
}

.popup-footer {
  padding: 1rem 1.25rem;
  background: #090b10;
  border-top: 1px solid var(--border-subtle);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: #11131a;
  border: 1px solid var(--border-default);
  color: #fff;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-sans);
  z-index: 2000;
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive Rules */
@media (max-width: 900px) {
  .spec-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .spec-grid {
    grid-template-columns: 1fr;
  }
  .arch-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 650px) {
  .header-container {
    height: auto;
    padding: 0.75rem 0;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .nav-links {
    display: none;
  }
  .hero-title {
    font-size: 1.85rem;
  }
  .spec-strip {
    grid-template-columns: 1fr;
  }
  .workbench-tabs-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .tabs-group {
    width: 100%;
  }
  .tab-btn {
    flex: 1;
    justify-content: center;
  }
  .tab-spec-tag {
    display: none;
  }
}