/* ================================
   Edge AI Hardware Selector
   Scoped stylesheet (no global leaks)
   ================================ */

/* CSS variables inherited from /assets/css/site.css */

.selector-app {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grid background overlay */
.selector-app::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.selector-app .wrapper {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ================================
   HERO SECTION
   ================================ */

.selector-app .hero {
  padding: 60px 0 48px;
  border-bottom: 1px solid var(--border);
}

.selector-app .hero-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.selector-app .hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.selector-app .hero h1 strong {
  font-weight: 600;
  color: var(--accent);
}

.selector-app .hero p {
  font-size: 16px;
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 560px;
}

/* ================================
   ENGINE SECTION
   ================================ */

.selector-app .engine {
  padding: 48px 0;
}

.selector-app .engine-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.selector-app .engine-header h2 {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.selector-app .engine-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* STEP */
.selector-app .step {
  margin-bottom: 32px;
  opacity: 0;
  transform: translateY(12px);
  animation: selector-fadeUp 0.4s ease forwards;
}

.selector-app .step:nth-child(1) { animation-delay: 0.1s; }
.selector-app .step:nth-child(2) { animation-delay: 0.2s; }
.selector-app .step:nth-child(3) { animation-delay: 0.3s; }
.selector-app .step:nth-child(4) { animation-delay: 0.4s; }
.selector-app .step:nth-child(5) { animation-delay: 0.5s; }

@keyframes selector-fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

.selector-app .step-label {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.selector-app .step-num {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--accent);
  border: 1px solid rgba(0,212,255,0.3);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.selector-app .step-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.selector-app .step-desc {
  font-size: 12px;
  color: var(--text-dim);
  margin-left: 32px;
  margin-bottom: 12px;
  font-family: var(--mono);
}

/* OPTION GRID */
.selector-app .option-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-left: 32px;
}

.selector-app .opt {
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 14px;
  border: 1px solid var(--border-bright);
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  border-radius: 2px;
  position: relative;
  user-select: none;
}

.selector-app .opt:hover {
  border-color: rgba(0,212,255,0.4);
  color: var(--text);
  background: var(--surface2);
}

.selector-app .opt.selected {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,212,255,0.05);
}

.selector-app .opt.selected::after {
  content: '✓';
  position: absolute;
  top: -6px;
  right: -6px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  color: var(--bg);
  font-size: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.selector-app .opt:focus-visible,
.selector-app .stream-opt:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* SLIDER */
.selector-app .stream-slider {
  margin-left: 32px;
}

.selector-app .slider-track {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.selector-app .stream-opt {
  font-family: var(--mono);
  font-size: 12px;
  padding: 8px 12px;
  border: 1px solid var(--border-bright);
  background: var(--surface);
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
  border-radius: 2px;
  min-width: 48px;
  text-align: center;
  user-select: none;
}

.selector-app .stream-opt:hover {
  border-color: rgba(0,212,255,0.4);
  color: var(--text);
}

.selector-app .stream-opt.selected {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,212,255,0.05);
}

.selector-app .stream-note {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
}

/* RUN BUTTON */
.selector-app .run-section {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.selector-app .btn-run {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.selector-app .btn-run::before {
  content: '';
  position: absolute;
  inset: 0;
  background: white;
  opacity: 0;
  transition: opacity 0.2s;
}

.selector-app .btn-run:hover::before { opacity: 0.1; }
.selector-app .btn-run:active { transform: scale(0.98); }

.selector-app .btn-run:disabled {
  background: var(--border-bright);
  color: var(--text-dim);
  cursor: not-allowed;
}

.selector-app .run-hint {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
}

/* VALIDATION ERROR */
.selector-app .validation-error {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--warn);
  margin-top: 8px;
  display: none;
}

/* ================================
   RESULTS SECTION
   ================================ */

.selector-app .results {
  display: none;
  padding: 48px 0;
  border-top: 1px solid var(--border);
  animation: selector-fadeUp 0.5s ease forwards;
}

.selector-app .results.visible {
  display: block;
}

.selector-app .results-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.selector-app .results-header h2 {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.selector-app .results-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* PRIMARY CARD */
.selector-app .primary-card {
  background: var(--surface);
  border: 1px solid var(--border-bright);
  border-top: 2px solid var(--accent);
  padding: 28px;
  margin-bottom: 16px;
  position: relative;
}

.selector-app .card-badge {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
}

.selector-app .card-device {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}

.selector-app .card-tagline {
  font-size: 14px;
  color: var(--text-mid);
  margin-bottom: 20px;
}

.selector-app .card-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
  padding: 20px;
  background: var(--surface2);
  border: 1px solid var(--border);
}

.selector-app .metric { }

.selector-app .metric-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.selector-app .metric-value {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
}

.selector-app .metric-value.accent { color: var(--accent3); }
.selector-app .metric-value.warn { color: var(--warn); }

.selector-app .card-reason {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  margin-bottom: 20px;
}

.selector-app .confidence-bar {
  margin-top: 16px;
}

.selector-app .confidence-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.selector-app .confidence-track {
  height: 4px;
  background: var(--border-bright);
  border-radius: 2px;
  overflow: hidden;
}

.selector-app .confidence-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 2px;
  transition: width 1s ease;
}

.selector-app .cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.selector-app .btn-purchase {
  font-family: var(--mono);
  font-size: 12px;
  padding: 10px 20px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

.selector-app .btn-purchase:hover { opacity: 0.85; }

.selector-app .btn-purchase:disabled {
  background: var(--border-bright);
  color: var(--text-dim);
  cursor: not-allowed;
}

.selector-app .btn-docs {
  font-family: var(--mono);
  font-size: 12px;
  padding: 10px 20px;
  background: transparent;
  color: var(--text-mid);
  border: 1px solid var(--border-bright);
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.2s;
}

.selector-app .btn-docs:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ALTERNATIVES */
.selector-app .alt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.selector-app .alt-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px;
  position: relative;
  transition: border-color 0.2s;
}

.selector-app .alt-card:hover { border-color: var(--border-bright); }

.selector-app .alt-badge {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.selector-app .alt-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.selector-app .alt-reason {
  font-size: 12px;
  color: var(--text-mid);
  line-height: 1.6;
  margin-bottom: 12px;
  font-family: var(--mono);
}

.selector-app .alt-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.selector-app .tag {
  font-family: var(--mono);
  font-size: 10px;
  padding: 3px 8px;
  border: 1px solid var(--border-bright);
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* JSON OUTPUT */
.selector-app .json-block {
  margin-top: 32px;
  border: 1px solid var(--border);
}

.selector-app .json-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

.selector-app .json-title {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

.selector-app .btn-copy {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  background: none;
  border: 1px solid rgba(0,212,255,0.3);
  padding: 4px 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.selector-app .btn-copy:hover { background: rgba(0,212,255,0.05); }

.selector-app pre.json-content {
  padding: 20px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-mid);
  overflow-x: auto;
  line-height: 1.6;
  background: var(--surface);
}

.selector-app pre.json-content .key { color: var(--accent); }
.selector-app pre.json-content .str { color: var(--accent3); }
.selector-app pre.json-content .num { color: var(--warn); }

/* SHARE ROW */
.selector-app .share-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding: 16px;
  background: var(--surface2);
  border: 1px solid var(--border);
}

.selector-app .share-label {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.selector-app .share-url {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-mid);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 10px;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.selector-app .btn-share {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--bg);
  background: var(--accent2);
  border: none;
  padding: 8px 16px;
  cursor: pointer;
  white-space: nowrap;
  font-weight: 600;
}

/* RESET */
.selector-app .btn-reset {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  background: none;
  border: 1px solid var(--border);
  padding: 10px 20px;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 32px;
}

.selector-app .btn-reset:hover {
  border-color: var(--border-bright);
  color: var(--text);
}

/* LOADING */
.selector-app .processing {
  display: none;
  padding: 32px;
  text-align: center;
}

.selector-app .processing.visible {
  display: block;
}

.selector-app .proc-label {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.selector-app .proc-bar {
  width: 200px;
  height: 2px;
  background: var(--border);
  margin: 0 auto;
  overflow: hidden;
}

.selector-app .proc-fill {
  width: 40%;
  height: 100%;
  background: var(--accent);
  animation: selector-slide 1s ease infinite;
}

@keyframes selector-slide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ================================
   BREADCRUMB
   ================================ */

.breadcrumb {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
  display: block;
}

.breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--accent);
}

/* RESPONSIVE */
@media (max-width: 640px) {
  .selector-app .hero h1 { font-size: 28px; }
  .selector-app .option-grid { margin-left: 0; }
  .selector-app .stream-slider { margin-left: 0; }
  .selector-app .card-metrics { grid-template-columns: 1fr 1fr; }
}