@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;800&display=swap');

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

:root {
  --cyan: #00f5ff;
  --magenta: #ff00cc;
  --purple: #7800ff;
  --gold: #ffcc00;
  --bg: #02040a;
  --text: #e8f4ff;
  --muted: #7aaabb;
  --card: rgba(8, 16, 32, 0.72);
  --line: rgba(0, 245, 255, 0.22);
  --glow: rgba(0, 245, 255, 0.35);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Orbitron', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.sr-mesh {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 15% 20%, rgba(0, 80, 160, 0.35), transparent 55%),
    radial-gradient(ellipse 70% 45% at 85% 15%, rgba(120, 0, 255, 0.28), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 90%, rgba(255, 0, 100, 0.12), transparent 55%),
    var(--bg);
}

.sr-shell {
  position: relative;
  z-index: 1;
  max-width: 520px;
  margin: 0 auto;
  padding: 0 18px 48px;
  min-height: 100vh;
}

.sr-shell--doc {
  max-width: 640px;
}

.sr-orbs {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.sr-orbs span {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.55;
  animation: sr-drift 18s ease-in-out infinite alternate;
}

.sr-orbs span:nth-child(1) {
  width: 220px; height: 220px;
  background: rgba(0, 245, 255, 0.22);
  top: 8%; left: -8%;
  animation-duration: 22s;
}

.sr-orbs span:nth-child(2) {
  width: 180px; height: 180px;
  background: rgba(120, 0, 255, 0.2);
  top: 42%; right: -12%;
  animation-duration: 26s;
  animation-delay: -4s;
}

.sr-orbs span:nth-child(3) {
  width: 140px; height: 140px;
  background: rgba(255, 0, 204, 0.14);
  bottom: 12%; left: 20%;
  animation-duration: 20s;
  animation-delay: -8s;
}

@keyframes sr-drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(24px, -18px) scale(1.08); }
}

.sr-crumb {
  margin-bottom: 14px;
  font-size: 9px;
  letter-spacing: 0.06em;
}

.sr-crumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}

.sr-crumb li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sr-crumb li + li::before {
  content: '›';
  color: rgba(122, 170, 187, 0.6);
  font-size: 11px;
}

.sr-crumb a {
  color: var(--muted);
  text-decoration: none;
}

.sr-crumb a:hover {
  color: var(--cyan);
}

.sr-crumb [aria-current="page"] {
  color: var(--cyan);
}

.sr-top {
  position: sticky;
  top: 0;
  z-index: 10;
  margin: 0 -18px 20px;
  padding: 14px 18px 12px;
  background: rgba(2, 4, 10, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.sr-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.sr-logo {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 3px;
  color: var(--cyan);
  text-shadow: 0 0 18px var(--glow);
  text-decoration: none;
}

.sr-badge {
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
}

.sr-nav {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  overflow-x: auto;
  scrollbar-width: none;
}
.sr-nav::-webkit-scrollbar { display: none; }

.sr-nav a {
  flex-shrink: 0;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: 0.2s ease;
}

.sr-nav a:hover,
.sr-nav a.is-active {
  color: var(--cyan);
  border-color: var(--line);
  background: rgba(0, 245, 255, 0.08);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.12);
}

.sr-hero {
  text-align: center;
  padding: 28px 8px 24px;
}

.sr-hero h1 {
  font-size: clamp(26px, 7vw, 34px);
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-shadow: 0 0 24px var(--glow);
  margin-bottom: 10px;
}

.sr-hero p {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.06em;
  max-width: 42ch;
  margin: 0 auto;
}

.sr-hero p a {
  color: var(--cyan);
  text-decoration: none;
}

.sr-hero p a:hover {
  text-decoration: underline;
}

.sr-hero--doc {
  position: relative;
  padding-bottom: 8px;
}

.sr-hero-ring {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  border: 2px solid rgba(0, 245, 255, 0.35);
  box-shadow:
    0 0 32px rgba(0, 245, 255, 0.2),
    inset 0 0 24px rgba(0, 245, 255, 0.08);
  display: grid;
  place-items: center;
  font-size: 28px;
  line-height: 1;
  animation: sr-pulse-ring 3s ease-in-out infinite;
}

@keyframes sr-pulse-ring {
  0%, 100% { box-shadow: 0 0 32px rgba(0, 245, 255, 0.2), inset 0 0 24px rgba(0, 245, 255, 0.08); }
  50% { box-shadow: 0 0 48px rgba(0, 245, 255, 0.35), inset 0 0 32px rgba(0, 245, 255, 0.12); }
}

.sr-kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 20px 0 8px;
}

.sr-kpi {
  text-align: center;
  padding: 12px 6px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 245, 255, 0.12);
}

.sr-kpi strong {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--cyan);
  margin-bottom: 4px;
}

.sr-kpi span {
  font-size: 8px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.35;
}

.sr-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin: 18px 0 28px;
}

.sr-toc a {
  font-size: 9px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0, 245, 255, 0.15);
  background: rgba(0, 0, 0, 0.25);
  transition: 0.2s ease;
}

.sr-toc a:hover {
  color: var(--cyan);
  border-color: var(--line);
  background: rgba(0, 245, 255, 0.08);
}

.sr-doc-block {
  margin-bottom: 28px;
  scroll-margin-top: 88px;
}

.sr-doc-block > h2 {
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sr-doc-block > h2::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  box-shadow: 0 0 12px var(--glow);
  flex-shrink: 0;
}

.sr-steps {
  display: grid;
  gap: 10px;
  counter-reset: srstep;
}

.sr-step {
  position: relative;
  padding: 16px 16px 16px 52px;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--line);
}

.sr-step::before {
  counter-increment: srstep;
  content: counter(srstep);
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 800;
  color: #02040a;
  background: linear-gradient(135deg, var(--cyan), #00a8cc);
}

.sr-step h3 {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text);
  margin-bottom: 6px;
}

.sr-step p {
  font-size: 11px;
  color: rgba(232, 244, 255, 0.78);
  line-height: 1.5;
}

.sr-dual {
  display: grid;
  gap: 10px;
}

@media (min-width: 520px) {
  .sr-dual { grid-template-columns: 1fr 1fr; }
}

.sr-dual-panel {
  padding: 16px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(0, 245, 255, 0.14);
}

.sr-dual-panel h3 {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 10px;
}

.sr-dual-panel:nth-child(2) h3 { color: var(--magenta); }

.sr-dual-panel ul {
  list-style: none;
  font-size: 11px;
  color: rgba(232, 244, 255, 0.82);
  line-height: 1.55;
}

.sr-dual-panel li + li { margin-top: 8px; }

.sr-meter {
  margin-top: 12px;
  padding: 14px;
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(0, 245, 255, 0.12), transparent);
  border: 1px solid rgba(0, 245, 255, 0.2);
}

.sr-meter-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin: 10px 0 8px;
}

.sr-meter-fill {
  height: 100%;
  width: 72%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan), #00a8cc);
  box-shadow: 0 0 16px var(--glow);
  animation: sr-meter-breathe 2.5s ease-in-out infinite;
}

@keyframes sr-meter-breathe {
  0%, 100% { width: 68%; opacity: 0.9; }
  50% { width: 42%; opacity: 1; }
}

.sr-meter p {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.sr-mode-grid {
  display: grid;
  gap: 10px;
}

.sr-mode-card {
  padding: 14px 16px;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.sr-mode-card:hover {
  border-color: rgba(0, 245, 255, 0.35);
  transform: translateX(4px);
}

.sr-mode-card h3 {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
}

.sr-mode-card p {
  font-size: 11px;
  color: rgba(232, 244, 255, 0.75);
  line-height: 1.45;
}

.sr-env-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.sr-env-chip {
  padding: 12px 10px;
  border-radius: 12px;
  text-align: center;
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.sr-env-chip[data-env="space"] { border-color: rgba(0, 245, 255, 0.35); color: #7ee8ff; }
.sr-env-chip[data-env="jungle"] { border-color: rgba(80, 220, 120, 0.35); color: #8feca8; }
.sr-env-chip[data-env="field"] { border-color: rgba(255, 204, 0, 0.35); color: #ffe08a; }
.sr-env-chip[data-env="cyber"] { border-color: rgba(255, 0, 204, 0.35); color: #ff99e8; }
.sr-env-chip[data-env="frost"] { border-color: rgba(180, 220, 255, 0.35); color: #c8e4ff; }

.sr-callout {
  padding: 16px 18px;
  border-radius: 14px;
  border-left: 3px solid var(--gold);
  background: linear-gradient(90deg, rgba(255, 204, 0, 0.1), transparent);
  font-size: 11px;
  color: rgba(232, 244, 255, 0.85);
  line-height: 1.55;
}

.sr-callout strong { color: var(--gold); }

.sr-flow {
  display: grid;
  gap: 12px;
  margin-bottom: 8px;
}

.sr-flow-col {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--card);
}

.sr-flow-col h3 {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.sr-flow-col--device h3 { color: var(--cyan); }
.sr-flow-col--cloud h3 { color: var(--magenta); }

.sr-flow-col ul {
  list-style: none;
  font-size: 11px;
  color: rgba(232, 244, 255, 0.8);
  line-height: 1.5;
}

.sr-flow-col li {
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}

.sr-flow-col li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--muted);
  font-size: 10px;
}

.sr-flow-bridge {
  text-align: center;
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  padding: 4px 0;
}

.sr-flow-bridge span {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px dashed rgba(0, 245, 255, 0.25);
  background: rgba(0, 0, 0, 0.3);
}

.sr-acc-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sr-acc {
  border-radius: 14px;
  border: 1px solid rgba(0, 245, 255, 0.12);
  background: rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.sr-acc summary {
  list-style: none;
  cursor: pointer;
  padding: 14px 16px;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  user-select: none;
}

.sr-acc summary::-webkit-details-marker { display: none; }

.sr-acc summary::after {
  content: '+';
  font-size: 16px;
  font-weight: 700;
  color: var(--cyan);
  transition: transform 0.2s ease;
}

.sr-acc[open] summary::after {
  transform: rotate(45deg);
}

.sr-acc .sr-acc-body {
  padding: 0 16px 16px;
  font-size: 11px;
  color: rgba(232, 244, 255, 0.78);
  line-height: 1.55;
}

.sr-acc .sr-acc-body ul {
  margin: 8px 0 0 1em;
}

.sr-acc .sr-acc-body a { color: var(--cyan); }

.sr-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.sr-trust-badge {
  font-size: 9px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid rgba(102, 255, 153, 0.35);
  color: #99ffcc;
  background: rgba(102, 255, 153, 0.08);
}

.sr-trust-badge--muted {
  border-color: rgba(122, 170, 187, 0.35);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

.sr-updated {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 16px;
}

.sr-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.sr-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.sr-grid {
  display: grid;
  gap: 14px;
}

.sr-card {
  position: relative;
  border-radius: 16px;
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.sr-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(0, 245, 255, 0.35), transparent 40%, rgba(255, 0, 204, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.sr-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 245, 255, 0.12);
}

.sr-card h2 {
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 8px;
}

.sr-card p {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.sr-card .sr-arrow {
  margin-top: 12px;
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 2px;
}

.sr-section-title {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin: 28px 0 12px;
}

.sr-prose h2 {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 24px 0 10px;
}

.sr-prose p,
.sr-prose li {
  font-size: 12px;
  color: rgba(232, 244, 255, 0.82);
  margin-bottom: 10px;
}

.sr-prose ul {
  margin: 0 0 12px 1.1em;
}

.sr-prose a {
  color: var(--cyan);
}

.sr-prose code {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(0, 245, 255, 0.1);
  color: var(--cyan);
}

.sr-pill {
  display: inline-block;
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0, 245, 255, 0.12);
  color: var(--cyan);
  margin-right: 6px;
  margin-bottom: 6px;
}

/* Leaderboard */
.sr-podium {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 10px;
  align-items: end;
  margin: 20px 0 24px;
  min-height: 160px;
}

.sr-podium-slot {
  text-align: center;
  border-radius: 14px 14px 8px 8px;
  padding: 14px 8px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.sr-podium-slot.rank-1 {
  order: 2;
  min-height: 140px;
  background: linear-gradient(180deg, rgba(255, 204, 0, 0.18), rgba(8, 16, 32, 0.8));
  border-color: rgba(255, 204, 0, 0.45);
  box-shadow: 0 0 28px rgba(255, 204, 0, 0.15);
}

.sr-podium-slot.rank-2 { order: 1; min-height: 110px; }
.sr-podium-slot.rank-3 { order: 3; min-height: 95px; }

.sr-podium-rank {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--muted);
  margin-bottom: 6px;
}

.sr-podium-name {
  font-size: 11px;
  font-weight: 700;
  word-break: break-word;
  margin-bottom: 4px;
}

.sr-podium-score {
  font-size: 18px;
  font-weight: 800;
  color: var(--cyan);
}

.sr-podium-slot.rank-1 .sr-podium-score { color: var(--gold); }

.sr-lb-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sr-lb-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(0, 245, 255, 0.1);
  animation: sr-fade-in 0.4s ease both;
}

.sr-lb-row .rank {
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

.sr-lb-row .name {
  font-size: 12px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sr-lb-row .score {
  font-size: 14px;
  font-weight: 800;
  color: var(--cyan);
}

.sr-lb-row .date {
  grid-column: 2 / -1;
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.5px;
}

.sr-lb-row.top-row { border-color: rgba(255, 204, 0, 0.25); }

@keyframes sr-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.sr-form {
  margin-top: 28px;
  padding: 18px;
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--line);
}

.sr-form h3 {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.sr-field {
  margin-bottom: 12px;
}

.sr-field label {
  display: block;
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}

.sr-field input {
  width: 100%;
  font-family: inherit;
  font-size: 13px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  color: var(--text);
}

.sr-field input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(0, 245, 255, 0.15);
}

.sr-btn {
  width: 100%;
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 14px;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  background: linear-gradient(135deg, var(--cyan), #00a8cc);
  color: #02040a;
  box-shadow: 0 4px 24px rgba(0, 245, 255, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.sr-btn:hover { transform: translateY(-1px); box-shadow: 0 6px 28px rgba(0, 245, 255, 0.35); }
.sr-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.sr-msg {
  font-size: 11px;
  margin-top: 10px;
  min-height: 1.2em;
  color: var(--muted);
}
.sr-msg.ok { color: #66ff99; }
.sr-msg.err { color: #ff6688; }

.sr-foot {
  margin-top: 36px;
  text-align: center;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0.5px;
}

.sr-foot a {
  color: var(--cyan);
  text-decoration: none;
}

.sr-loading {
  text-align: center;
  padding: 40px 0;
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 2px;
}

.sr-empty {
  text-align: center;
  padding: 32px;
  color: var(--muted);
  font-size: 12px;
}