/* =========================================================
   AGENT REACH - MODERN DARK THEME STYLESHEET
   ========================================================= */

:root {
  --bg-main: #0B0F17;
  --bg-card: #111827;
  --bg-card-hover: #162032;
  --bg-input: #1F2937;
  --accent-cyan: #06B6D4;
  --accent-blue: #3B82F6;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
  --accent-purple: #8B5CF6;
  --text-main: #F9FAFB;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(6, 182, 212, 0.25);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* =========================================================
   NAVIGATION BAR
   ========================================================= */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 23, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 24px;
}

.logo-text {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #FFFFFF;
}

.version-badge {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(6, 182, 212, 0.3);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  font-family: var(--font-mono);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: #FFFFFF;
}

.github-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #1F2937;
  color: #FFFFFF !important;
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.github-btn:hover {
  background: #374151;
  border-color: rgba(255, 255, 255, 0.2);
}

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

.hero-section {
  padding: 80px 0 60px;
  text-align: center;
  position: relative;
  background: radial-gradient(circle at 50% 10%, rgba(6, 182, 212, 0.12) 0%, transparent 60%);
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
}

.hero-title {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1.5px;
  margin-bottom: 22px;
  color: #FFFFFF;
}

@media (max-width: 768px) {
  .hero-title { font-size: 36px; }
}

.gradient-text {
  background: linear-gradient(135deg, #38BDF8 0%, #818CF8 50%, #C084FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 36px;
}

.install-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  max-width: 680px;
  margin: 0 auto 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.install-header {
  background: #0D131F;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #374151;
}

.terminal-dots span:nth-child(1) { background: #EF4444; }
.terminal-dots span:nth-child(2) { background: #F59E0B; }
.terminal-dots span:nth-child(3) { background: #10B981; }

.install-title {
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.install-body {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.install-body code {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-cyan);
  white-space: nowrap;
  overflow-x: auto;
}

.copy-btn {
  background: #1F2937;
  color: #FFFFFF;
  border: 1px solid var(--border-color);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.copy-btn:hover {
  background: #374151;
  border-color: rgba(255, 255, 255, 0.2);
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}

@media (max-width: 640px) {
  .hero-stats-row { grid-template-columns: repeat(2, 1fr); }
}

.stat-card {
  background: rgba(17, 24, 39, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: #FFFFFF;
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* =========================================================
   PLAYGROUND SECTION
   ========================================================= */

.playground-section {
  padding: 80px 0;
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-header-center {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px;
}

.section-kicker {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: #FFFFFF;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
}

.playground-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.channel-tabs {
  display: flex;
  background: #0D131F;
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.channel-tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  transition: all 0.2s;
}

.channel-tab:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.02);
}

.channel-tab.active {
  color: #FFFFFF;
  background: var(--bg-card);
  border-bottom-color: var(--accent-cyan);
}

.input-panel {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
}

.input-row {
  display: flex;
  gap: 12px;
}

.reach-input {
  flex: 1;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: #FFFFFF;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 15px;
  font-family: var(--font-sans);
  outline: none;
  transition: all 0.2s;
}

.reach-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
}

.run-btn {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-blue) 100%);
  color: #FFFFFF;
  border: none;
  padding: 0 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.run-btn:hover {
  opacity: 0.95;
  transform: translateY(-1px);
}

.run-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.samples-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.samples-title {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
}

.sample-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sample-pill {
  background: #1F2937;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.sample-pill:hover {
  color: #FFFFFF;
  background: #374151;
  border-color: var(--accent-cyan);
}

/* Output Console */
.output-panel {
  background: #090D16;
}

.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: #0D131F;
  border-bottom: 1px solid var(--border-color);
}

.output-tabs {
  display: flex;
  gap: 8px;
}

.out-tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.out-tab.active {
  color: #FFFFFF;
  background: #1F2937;
}

.output-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.exec-time {
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.copy-out-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.copy-out-btn:hover {
  color: #FFFFFF;
  background: #1F2937;
}

.output-content {
  padding: 24px;
  min-height: 250px;
  max-height: 480px;
  overflow-y: auto;
}

.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-dim);
}

.empty-icon {
  font-size: 32px;
  display: block;
  margin-bottom: 12px;
}

.out-raw code {
  font-family: var(--font-mono);
  font-size: 13px;
  color: #38BDF8;
  white-space: pre-wrap;
  word-break: break-all;
}

.formatted-card {
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
}

.formatted-title {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
}

.formatted-text {
  font-size: 14.5px;
  color: #D1D5DB;
  line-height: 1.6;
  white-space: pre-wrap;
}

/* =========================================================
   PLATFORMS GRID
   ========================================================= */

.platforms-section {
  padding: 80px 0;
  background: rgba(17, 24, 39, 0.4);
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 28px;
  transition: all 0.3s;
}

.platform-card:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.platform-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.p-icon {
  font-size: 28px;
}

.p-status {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 20px;
  font-family: var(--font-mono);
}

.platform-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.platform-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
}

.p-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.p-tags span {
  background: #1F2937;
  color: #94A3B8;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: 6px;
}

/* =========================================================
   MCP HUB & DOCTOR
   ========================================================= */

.mcp-section, .doctor-section {
  padding: 80px 0;
}

.mcp-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  max-width: 860px;
  margin: 0 auto;
  overflow: hidden;
}

.mcp-tabs {
  display: flex;
  background: #0D131F;
  border-bottom: 1px solid var(--border-color);
}

.mcp-tab {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.mcp-tab.active {
  color: #FFFFFF;
  background: var(--bg-card);
  border-bottom-color: var(--accent-cyan);
}

.mcp-content {
  padding: 24px;
  background: #090D16;
  position: relative;
}

.mcp-code-block pre {
  margin: 0;
  overflow-x: auto;
}

.mcp-code-block code {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: #38BDF8;
  line-height: 1.6;
}

.mcp-copy {
  position: absolute;
  top: 20px;
  right: 20px;
}

.doctor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.doc-title {
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 8px;
}

.doc-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
  font-family: var(--font-mono);
}

.doc-badge.online {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
}

/* =========================================================
   FOOTER
   ========================================================= */

.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  background: #090D16;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.footer-copy {
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: #FFFFFF;
}