:root {
  --bg: #060a12;
  --panel: #0c1422;
  --deep: #040810;
  --edge: #1a2840;
  --green: #22c55e;
  --green-d: #16a34a;
  --cyan: #38bdf8;
  --cyan-d: #0ea5e9;
  --amber: #f59e0b;
  --lora: #c084fc;
  --red: #ef4444;
  --gold: #fbbf24;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --font: 'Open Sans', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-logo: 'Special Elite', 'Courier Prime', 'Courier New', monospace;
  --font-mono: 'Courier Prime', 'Courier New', monospace;
  --glow-g: 0 0 12px rgba(34, 197, 94, 0.5);
  --glow-c: 0 0 12px rgba(56, 189, 248, 0.5);
  --glow-a: 0 0 10px rgba(245, 158, 11, 0.5);
  --radius: 6px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
  touch-action: none;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 3px, rgba(0,0,0,0.02) 3px, rgba(0,0,0,0.02) 6px);
  pointer-events: none;
  z-index: 9999;
}

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

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
}

strong, b {
  font-weight: 700;
}

.blink { animation: blink 1.1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
@keyframes iconPulse { 0%,100% { box-shadow: 0 0 8px rgba(56,189,248,0.4); } 50% { box-shadow: 0 0 20px rgba(56,189,248,0.8); } }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--panel); }
::-webkit-scrollbar-thumb { background: var(--edge); border-radius: 3px; }

.gn-header {
  background: linear-gradient(90deg, #080f1e, #0d1e38, #080f1e);
  border-bottom: 1px solid var(--edge);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.gn-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.gn-header-left a {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: 0;
}

.gn-header-left a > div:last-child {
  min-width: 0;
}

.gn-logo-icon {
  width: 42px;
  height: 42px;
  border: 1px solid var(--cyan-d);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--cyan);
  box-shadow: 0 0 8px rgba(56,189,248,0.4);
  animation: iconPulse 3s ease-in-out infinite;
  flex-shrink: 0;
  border-radius: 4px;
}

.gn-logo-text {
  font-family: var(--font-logo);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--cyan);
  text-shadow: var(--glow-c);
  letter-spacing: 1.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gn-logo-sub {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 1.5px;
  margin-top: 2px;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gn-hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(56,189,248,0.06);
  border: 1px solid var(--edge);
  color: var(--cyan);
  font-size: 1.6rem;
  width: 48px;
  height: 48px;
  cursor: pointer;
  line-height: 1;
  border-radius: var(--radius);
  flex-shrink: 0;
  -webkit-tap-highlight-color: transparent;
  transition: all 0.15s;
}

.gn-hamburger:active {
  background: rgba(56,189,248,0.15);
  transform: scale(0.95);
}

.gn-nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 199;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  -webkit-tap-highlight-color: transparent;
}

.gn-nav-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.gn-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 300px;
  max-width: 88vw;
  background: rgba(6,10,18,0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 6px;
  z-index: 200;
  padding: 80px 16px 32px;
  padding-bottom: calc(32px + var(--safe-bottom));
  border-left: 1px solid var(--edge);
  box-shadow: -8px 0 40px rgba(0,0,0,0.7);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.gn-nav.open {
  transform: translateX(0);
}

.gn-nav-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(56,189,248,0.06);
  border: 1px solid var(--cyan-d);
  color: var(--cyan);
  font-size: 1.4rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius);
  -webkit-tap-highlight-color: transparent;
  transition: all 0.15s;
}

.gn-nav-close:active {
  background: rgba(56,189,248,0.2);
  transform: scale(0.92);
}

.gn-nav-link {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 1.5px;
  padding: 14px 18px;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  -webkit-tap-highlight-color: transparent;
  transition: all 0.15s;
  white-space: nowrap;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
  opacity: 0;
  transform: translateX(20px);
}

.gn-nav.open .gn-nav-link {
  opacity: 1;
  transform: translateX(0);
  transition: all 0.15s, opacity 0.25s ease, transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
}

.gn-nav.open .gn-nav-link:nth-child(2) { transition-delay: 0.04s; }
.gn-nav.open .gn-nav-link:nth-child(3) { transition-delay: 0.08s; }
.gn-nav.open .gn-nav-link:nth-child(4) { transition-delay: 0.12s; }
.gn-nav.open .gn-nav-link:nth-child(5) { transition-delay: 0.16s; }
.gn-nav.open .gn-nav-link:nth-child(6) { transition-delay: 0.20s; }
.gn-nav.open .gn-nav-link:nth-child(7) { transition-delay: 0.24s; }
.gn-nav.open .gn-nav-link:nth-child(8) { transition-delay: 0.28s; }
.gn-nav.open .gn-nav-link:nth-child(9) { transition-delay: 0.32s; }
.gn-nav.open .gn-nav-link:nth-child(10) { transition-delay: 0.36s; }

.gn-nav-link:active {
  transform: scale(0.97) !important;
  background: rgba(56,189,248,0.1);
}

.gn-nav-link:hover {
  color: var(--cyan);
  border-color: var(--cyan-d);
  background: rgba(56,189,248,0.05);
}

.gn-nav-link.active {
  color: var(--cyan);
  border-color: var(--cyan-d);
  background: rgba(56,189,248,0.08);
}

.gn-back-link {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--cyan-d);
  letter-spacing: 1px;
  padding: 10px 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  -webkit-tap-highlight-color: transparent;
}

.gn-back-link:hover,
.gn-back-link:active {
  color: var(--cyan);
}

.gn-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 16px;
}

.gn-section {
  padding: 24px 16px;
  border-bottom: 1px solid var(--edge);
}

.gn-section-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 3px;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.gn-scroll-container {
  overflow-y: auto;
  overflow-x: hidden;
  max-height: 70vh;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.gn-scroll-x {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.gn-card {
  background: var(--panel);
  border: 1px solid var(--edge);
  padding: 20px;
  transition: all 0.15s;
  display: block;
  color: inherit;
  border-radius: var(--radius);
  -webkit-tap-highlight-color: transparent;
}

.gn-card:hover,
.gn-card:active {
  background: #0d1830;
  border-color: var(--cyan-d);
}

.gn-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  margin-bottom: 10px;
}

.gn-card-desc {
  font-size: 0.94rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.75;
}

.gn-btn {
  background: rgba(34,197,94,0.08);
  border: 1px solid var(--green-d);
  color: var(--green);
  font-family: var(--font);
  font-size: 0.94rem;
  font-weight: 700;
  padding: 14px 24px;
  cursor: pointer;
  letter-spacing: 1.5px;
  transition: all 0.15s;
  border-radius: var(--radius);
  white-space: nowrap;
  text-transform: uppercase;
  -webkit-tap-highlight-color: transparent;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.gn-btn:hover {
  background: rgba(34,197,94,0.15);
  box-shadow: var(--glow-g);
}

.gn-btn:active {
  transform: scale(0.97);
}

.gn-btn.amber {
  background: rgba(245,158,11,0.08);
  border-color: var(--amber);
  color: var(--amber);
}

.gn-btn.amber:hover {
  background: rgba(245,158,11,0.15);
  box-shadow: var(--glow-a);
}

.gn-btn.cyan {
  background: rgba(56,189,248,0.08);
  border-color: var(--cyan-d);
  color: var(--cyan);
}

.gn-btn.cyan:hover {
  background: rgba(56,189,248,0.15);
  box-shadow: var(--glow-c);
}

.gn-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 12px;
  letter-spacing: 1px;
  border: 1px solid;
  border-radius: 3px;
  white-space: nowrap;
  text-transform: uppercase;
}

.gn-badge.live {
  color: var(--green);
  border-color: var(--green-d);
  background: rgba(34,197,94,0.1);
  box-shadow: 0 0 6px rgba(34,197,94,0.3);
}

.gn-badge.hybrid {
  color: var(--amber);
  border-color: #886600;
  background: rgba(245,158,11,0.1);
  box-shadow: 0 0 6px rgba(245,158,11,0.2);
}

.gn-badge.simulated {
  color: var(--red);
  border-color: #881122;
  background: rgba(239,68,68,0.08);
}

.gn-badge.inactive {
  color: var(--text-dim);
  border-color: var(--edge);
  background: rgba(100,116,139,0.08);
}

.gn-badge.educational {
  color: var(--lora);
  border-color: #7c3aed;
  background: rgba(192,132,252,0.08);
}

.gn-protocol-bar {
  background: var(--deep);
  border-bottom: 1px solid var(--edge);
  padding: 12px 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: stretch;
}

.gn-protocol-item {
  background: var(--panel);
  border: 1px solid var(--edge);
  padding: 12px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 100%;
  -webkit-tap-highlight-color: transparent;
}

.gn-protocol-item:hover,
.gn-protocol-item:active {
  border-color: var(--cyan-d);
}

.gn-protocol-item.expanded {
  flex-basis: 100%;
}

.gn-protocol-name {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--text);
  white-space: nowrap;
}

.gn-protocol-status {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gn-protocol-detail {
  display: none;
  padding: 14px 16px;
  border-top: 1px solid var(--edge);
  margin-top: 12px;
  font-size: 0.88rem;
  line-height: 1.8;
}

.gn-protocol-detail.open {
  display: block;
}

.gn-protocol-detail h4 {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: 2px;
  margin: 12px 0 8px 0;
  text-transform: uppercase;
}

.gn-protocol-detail ol {
  padding-left: 22px;
  color: var(--text);
}

.gn-protocol-detail li {
  margin-bottom: 6px;
}

.gn-progress-bar {
  height: 8px;
  background: #0a1628;
  border: 1px solid var(--edge);
  border-radius: 4px;
  overflow: hidden;
}

.gn-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green-d), var(--green));
  box-shadow: var(--glow-g);
  transition: width 0.8s ease;
  border-radius: 4px;
}

.gn-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.gn-stat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.gn-stat-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-dim);
  letter-spacing: 2px;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.gn-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
  text-shadow: var(--glow-g);
  line-height: 1;
}

.gn-stat-value.amber { color: var(--amber); }
.gn-stat-value.cyan { color: var(--cyan); text-shadow: var(--glow-c); }
.gn-stat-value.red { color: var(--red); }

.gn-footer {
  background: #080f1e;
  border-top: 1px solid var(--edge);
  padding: 18px 16px;
  padding-bottom: calc(18px + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dim);
  text-align: center;
}

.gn-footer a { color: var(--green); font-weight: 600; }
.gn-footer a:hover { text-shadow: var(--glow-g); }

.gn-input {
  width: 100%;
  background: var(--deep);
  border: 1px solid var(--edge);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 500;
  padding: 14px 16px;
  outline: none;
  border-radius: var(--radius);
  min-height: 48px;
}

.gn-input:focus {
  border-color: var(--cyan);
}

.gn-input::placeholder {
  color: var(--text-dim);
}

textarea.gn-input {
  resize: vertical;
  min-height: 80px;
}

.gn-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cyan-d);
  letter-spacing: 2px;
  margin-bottom: 8px;
  display: block;
  text-transform: uppercase;
}

.gn-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.gn-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.88rem;
}

.gn-table th {
  background: #0a1628;
  border-bottom: 1px solid var(--edge);
  padding: 12px 16px;
  text-align: left;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cyan-d);
  letter-spacing: 1px;
  position: sticky;
  top: 0;
  white-space: nowrap;
  text-transform: uppercase;
}

.gn-table td {
  border-bottom: 1px solid rgba(21,32,53,0.8);
  padding: 12px 16px;
  color: var(--text);
  vertical-align: middle;
  font-weight: 400;
}

.gn-table tr:hover td {
  background: rgba(0,204,255,0.03);
}

.text-green { color: var(--green); }
.text-cyan { color: var(--cyan); }
.text-amber { color: var(--amber); }
.text-lora { color: var(--lora); }
.text-red { color: var(--red); }
.text-gold { color: var(--gold); }
.text-dim { color: var(--text-dim); }

.glow-green { text-shadow: var(--glow-g); }
.glow-cyan { text-shadow: var(--glow-c); }

.font-logo { font-family: var(--font-logo); }
.font-mono { font-family: var(--font-mono); }

@media (min-width: 769px) {
  html { font-size: 18px; }

  .gn-header { padding: 16px 28px; }

  .gn-hamburger { display: none; }

  .gn-nav {
    position: static;
    width: auto;
    max-width: none;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-end;
    flex: 1 1 auto;
    min-width: 0;
    gap: 4px;
    padding: 0;
    border-left: none;
    box-shadow: none;
    transform: none;
    transition: none;
    overflow: visible;
  }

  .gn-nav-close { display: none; }
  .gn-nav-backdrop { display: none !important; }

  .gn-nav-link {
    font-size: 0.8rem;
    padding: 8px 9px;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
    opacity: 1;
    transform: none;
  }

  .gn-section { padding: 32px 28px; }
  .gn-container { padding: 0 28px; }
  .gn-footer { padding: 18px 28px; flex-direction: row; text-align: left; gap: 24px; }

  .gn-protocol-item { min-width: 180px; }

  .gn-stat-grid {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
  }
}

@media (min-width: 1024px) {
  .gn-logo-text { font-size: clamp(1.05rem, 1.4vw, 1.4rem); letter-spacing: 1.5px; }
  .gn-logo-sub { font-size: 0.82rem; letter-spacing: 2px; }
}