/* ============================================================
   Agent Marketplace — Terminal Aesthetic
   Colors: #0a0a0c bg, #00d4aa primary, #ff6b35 accent, #e0e0e0 text
   Fonts: Space Grotesk (headings), JetBrains Mono (mono/data)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0c;
  --bg-raised: #0f0f12;
  --bg-surface: #141418;
  --bg-hover: #1a1a20;
  --primary: #00d4aa;
  --primary-dim: #00a888;
  --accent: #ff6b35;
  --accent-dim: #cc5529;
  --text: #e0e0e0;
  --text-dim: #9a9aa8;
  --muted: #4a4a5a;
  --border: #1e1e28;
  --border-bright: #2a2a38;
  --danger: #ff4444;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s;
}
a:hover { color: var(--text); }

::selection {
  background: var(--primary);
  color: var(--bg);
}

/* --- Header --- */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-diamond {
  font-size: 1.1rem;
}

.header-tagline {
  color: var(--muted);
  font-size: 0.78rem;
  font-style: italic;
  padding-left: 1rem;
  border-left: 1px solid var(--border);
}

.header-nav {
  display: flex;
  gap: 0;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  padding: 0 1.2rem;
  height: 56px;
  display: flex;
  align-items: center;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  cursor: pointer;
}

.nav-link:hover {
  color: var(--text);
}

.nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* --- Layout --- */
.site-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

#sidebar {
  width: 260px;
  min-width: 260px;
  border-right: 1px solid var(--border);
  padding: 1.5rem 1.25rem;
  overflow-y: auto;
  background: var(--bg);
  height: calc(100vh - 56px - 40px);
  position: sticky;
  top: 56px;
}

#main-content {
  flex: 1;
  padding: 1.5rem 2rem;
  overflow-y: auto;
  height: calc(100vh - 56px - 40px);
}

/* --- Sidebar --- */
.sidebar-section {
  margin-bottom: 2rem;
}

.sidebar-heading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.sidebar-text {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* Category list */
.category-list {
  list-style: none;
}

.category-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0.65rem;
  font-size: 0.85rem;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 3px;
  transition: background 0.12s, color 0.12s;
  margin-bottom: 2px;
}

.category-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.category-item.active {
  background: var(--bg-surface);
  color: var(--primary);
}

.cat-count {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 500;
}

.category-item.active .cat-count {
  color: var(--primary-dim);
}

/* Sidebar stats */
.stat-line {
  display: flex;
  justify-content: space-between;
  padding: 0.3rem 0;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--border);
}

.stat-label { color: var(--text-dim); }
.stat-value { color: var(--text); font-weight: 500; }

/* Filter ranges */
.filter-range {
  padding: 0.25rem 0;
}

.filter-range input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  height: 3px;
  background: var(--border-bright);
  border-radius: 2px;
  outline: none;
  margin: 0.4rem 0;
}

.filter-range input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--bg);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--muted);
}

/* Back link */
.back-link {
  font-size: 0.85rem;
  color: var(--primary);
  display: inline-block;
  margin-bottom: 0.5rem;
}

/* Payment */
.payment-addr {
  font-size: 0.72rem;
  color: var(--text-dim);
  word-break: break-all;
  line-height: 1.5;
  padding: 0.4rem 0;
}

.payment-proto {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Requirements */
.req-list {
  list-style: none;
}

.req-list li {
  font-size: 0.82rem;
  color: var(--text-dim);
  padding: 0.25rem 0;
  padding-left: 1rem;
  position: relative;
}

.req-list li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--primary);
}

/* Protocol tags */
.proto-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.proto-item {
  font-size: 0.78rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.proto-tag {
  font-size: 0.68rem;
  font-weight: 600;
  background: var(--bg-surface);
  color: var(--primary);
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  border: 1px solid var(--border-bright);
}

/* --- Search Bar --- */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0 1rem;
  margin-bottom: 1rem;
  transition: border-color 0.15s;
}

.search-bar:focus-within {
  border-color: var(--primary-dim);
}

.search-icon {
  color: var(--muted);
  font-size: 1.1rem;
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.65rem 0;
  outline: none;
}

.search-bar input::placeholder {
  color: var(--muted);
}

.result-count {
  font-size: 0.75rem;
  color: var(--muted);
  white-space: nowrap;
}

/* --- Service List Header --- */
.service-list-header {
  display: grid;
  grid-template-columns: 1fr 90px 90px 130px 70px 90px 65px;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.25rem;
}

/* --- Service Row --- */
.service-row {
  border-bottom: 1px solid var(--border);
  transition: background 0.12s;
}

.service-row:hover {
  background: var(--bg-raised);
}

.service-row-main {
  display: grid;
  grid-template-columns: 1fr 90px 90px 130px 70px 90px 65px;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  align-items: center;
  cursor: pointer;
  font-size: 0.85rem;
}

.service-name-col {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.service-id {
  font-weight: 600;
  color: var(--text);
  font-size: 0.88rem;
}

.service-display {
  font-size: 0.72rem;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Category badges */
.service-category {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  text-align: center;
  border: 1px solid;
}

.cat-ai { color: #00d4aa; border-color: #00d4aa33; background: #00d4aa0a; }
.cat-blockchain { color: #6c8cff; border-color: #6c8cff33; background: #6c8cff0a; }
.cat-media { color: #e06cff; border-color: #e06cff33; background: #e06cff0a; }
.cat-productivity { color: #ffb84d; border-color: #ffb84d33; background: #ffb84d0a; }
.cat-infrastructure { color: #7a8899; border-color: #7a889933; background: #7a88990a; }
.cat-security { color: #ff4d6a; border-color: #ff4d6a33; background: #ff4d6a0a; }

.service-price {
  font-weight: 600;
  color: var(--accent);
}

.price-unit {
  font-weight: 400;
  font-size: 0.68rem;
  color: var(--text-dim);
  margin-left: 0.15rem;
}

.price-val { color: var(--accent); }

.service-rating {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.star { font-size: 0.72rem; }
.star.filled { color: #ffd700; }
.star.half { color: #ffd70088; }
.star.empty { color: var(--muted); }

.rating-num {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.service-latency {
  color: var(--text-dim);
  font-size: 0.82rem;
}

.service-calls {
  color: var(--text-dim);
  font-size: 0.82rem;
}

.service-uptime {
  font-size: 0.82rem;
  color: var(--primary-dim);
}

.uptime-label {
  font-size: 0.68rem;
  color: var(--muted);
}

/* --- Expanded Service Detail (inline) --- */
.service-detail-inline {
  padding: 1rem 1rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--bg-raised);
}

.service-desc {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 1rem;
  max-width: 700px;
}

.detail-cols {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
}

.detail-tools { flex: 1; min-width: 0; }
.detail-meta { width: 280px; flex-shrink: 0; }

.detail-tools h4,
.detail-meta h4,
.detail-snippet h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.5rem;
}

/* Tools table */
.tools-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.tools-table th {
  text-align: left;
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid var(--border-bright);
}

.tools-table td {
  padding: 0.3rem 0.5rem;
  border-bottom: 1px solid var(--border);
}

.tool-name {
  color: var(--primary);
  font-weight: 500;
  white-space: nowrap;
}

.tool-desc {
  color: var(--text-dim);
}

.tool-price {
  color: var(--accent);
  font-weight: 500;
  white-space: nowrap;
}

.tools-table.full {
  max-width: 800px;
}

/* Meta items */
.meta-item {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}

.meta-label {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: block;
  margin-bottom: 0.15rem;
}

.meta-value {
  font-size: 0.82rem;
  color: var(--text-dim);
  word-break: break-all;
}

.meta-value.addr {
  font-size: 0.78rem;
}

/* Detail snippet */
.detail-snippet {
  margin-top: 1rem;
}

.detail-snippet pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1rem;
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.6;
}

.detail-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--primary);
}

/* --- Detail Page (full) --- */
.detail-page {
  max-width: 900px;
}

.detail-header {
  margin-bottom: 1.5rem;
}

.detail-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.detail-display {
  font-size: 0.92rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
  display: block;
}

.detail-rating {
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.detail-description {
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 1.5rem;
  max-width: 700px;
}

.detail-stats-bar {
  display: flex;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 2rem;
}

.detail-stat {
  flex: 1;
  padding: 0.85rem 1rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.detail-stat:last-child { border-right: none; }

.ds-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  font-family: var(--font-heading);
}

.ds-label {
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.detail-section {
  margin-bottom: 2.5rem;
}

.section-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* Code block */
.code-block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1.25rem;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.7;
}

.code-block .kw { color: var(--primary); }
.code-block .str { color: var(--accent); }
.code-block .var { color: #ffd700; }
.code-block .comment { color: var(--muted); }

/* Gateway */
.gateway-url {
  font-size: 0.88rem;
  color: var(--primary);
  padding: 0.5rem 0;
}

.gateway-proto {
  font-size: 0.78rem;
  color: var(--muted);
}

/* Reviews */
.reviews-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.review-item {
  padding: 0.85rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 3px;
}

.review-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
}

.review-agent {
  font-size: 0.78rem;
  color: var(--primary);
  font-weight: 500;
}

.review-time {
  font-size: 0.72rem;
  color: var(--muted);
  margin-left: auto;
}

.review-text {
  font-size: 0.82rem;
  color: var(--text-dim);
  line-height: 1.5;
}

/* --- Stats Page --- */
.stats-page {
  max-width: 900px;
}

.stats-hero {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.hero-stat {
  padding: 1.5rem 1.25rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.hero-stat:last-child { border-right: none; }

.hero-val {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
}

.hero-label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stats-section {
  margin-bottom: 2.5rem;
}

/* Bar chart */
.bar-chart, .top-services {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bar-label {
  width: 120px;
  font-size: 0.82rem;
  color: var(--text-dim);
  flex-shrink: 0;
  text-align: right;
}

.bar-link {
  color: var(--primary);
}

.bar-track {
  flex: 1;
  height: 18px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-dim), var(--primary));
  border-radius: 2px;
  transition: width 0.4s ease;
}

.bar-value {
  width: 60px;
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 500;
  text-align: right;
}

/* Transaction feed */
.tx-feed {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tx-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}

.tx-time {
  width: 70px;
  color: var(--muted);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.tx-caller {
  color: var(--text-dim);
  font-size: 0.78rem;
}

.tx-arrow {
  color: var(--muted);
}

.tx-service {
  font-weight: 500;
}

.tx-amount {
  margin-left: auto;
  font-weight: 600;
}

/* --- Register Page --- */
.register-page {
  max-width: 680px;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  font-size: 0.88rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.register-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-group label {
  font-size: 0.78rem;
  color: var(--text-dim);
  font-weight: 500;
}

.required { color: var(--accent); }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.6rem 0.75rem;
  outline: none;
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-dim);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted);
}

.form-group select {
  cursor: pointer;
}

.form-group select option {
  background: var(--bg);
  color: var(--text);
}

.form-hint {
  font-size: 0.68rem;
  color: var(--muted);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
}

.btn-primary {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--primary);
  color: var(--bg);
  border: none;
  padding: 0.65rem 1.75rem;
  border-radius: 3px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--primary-dim);
}

.form-note {
  font-size: 0.72rem;
  color: var(--muted);
}

/* Register preview */
.register-preview {
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--bg-raised);
  border: 1px solid var(--primary-dim);
  border-radius: 3px;
}

.register-preview h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.preview-note {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 0.75rem;
}

.hidden { display: none; }

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 0.6rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--muted);
  height: 40px;
  background: var(--bg);
  flex-shrink: 0;
}

.footer-left {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.1rem;
}

.footer-right a {
  color: var(--text-dim);
  font-size: 0.72rem;
}

.footer-right a:hover { color: var(--primary); }

/* --- Empty state --- */
.empty-state {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.92rem;
}

/* --- Cursor blink --- */
.cursor-blink {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--primary);
  margin-left: 4px;
  vertical-align: text-bottom;
  animation: blink 1.06s step-end infinite;
}

.cursor-blink.off { opacity: 0; }

@keyframes blink {
  50% { opacity: 0; }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .service-row-main {
    grid-template-columns: 1fr 80px 80px 100px;
  }
  .service-list-header {
    grid-template-columns: 1fr 80px 80px 100px;
  }
  .service-latency,
  .service-calls,
  .service-uptime,
  .col-latency,
  .col-calls,
  .col-uptime { display: none; }

  .detail-cols { flex-direction: column; }
  .detail-meta { width: 100%; }
}

@media (max-width: 768px) {
  #sidebar {
    display: none;
  }

  .site-body {
    flex-direction: column;
  }

  #main-content {
    height: auto;
    padding: 1rem;
  }

  .header-tagline { display: none; }

  .stats-hero {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-stat:nth-child(2) { border-right: none; }

  .detail-stats-bar {
    flex-wrap: wrap;
  }

  .detail-stat {
    flex: 0 0 50%;
  }

  .form-row.two-col {
    grid-template-columns: 1fr;
  }

  .service-row-main {
    grid-template-columns: 1fr 70px;
  }
  .service-list-header {
    grid-template-columns: 1fr 70px;
  }
  .service-category,
  .service-rating,
  .col-cat,
  .col-rating { display: none; }
}