:root {
  --bg: #211c1a;
  --bg-2: #2a2320;
  --ink: #e8dece;
  --ink-dim: #a99b88;
  --lamp: #d9a066;
  --lamp-deep: #b87f45;
  --moss: #8fa678;
  --term-bg: #171310;
  --term-fg: #9fc2a6;
  --term-dim: #5f7266;
  --line: #3a312c;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
main {
  flex: 1;
}
body {
  font-family: "Nunito", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  background-image: radial-gradient(
    ellipse 70% 55% at 78% 0%,
    rgba(217, 160, 102, 0.1),
    transparent 60%
  );
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}
.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 28px;
}
a {
  color: inherit;
}

header {
  padding: 26px 0;
}
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.brand .pre {
  color: var(--term-dim);
}
.nav {
  display: flex;
  gap: 10px;
  align-items: center;
}
.nav a {
  font-weight: 700;
  color: var(--ink-dim);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.94rem;
  transition:
    color 0.16s,
    background 0.16s,
    border-color 0.16s;
}
.nav a.plain:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}
.nav a.login {
  border: 1px solid var(--line);
  color: var(--ink);
  font-family: "JetBrains Mono", monospace;
}
.nav a.login:hover {
  border-color: var(--lamp);
  color: var(--lamp);
}
.nav a.key {
  color: var(--bg);
  background: var(--lamp);
  font-family: "JetBrains Mono", monospace;
}
.nav a.key:hover {
  background: var(--lamp-deep);
  color: var(--bg);
}

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  padding: 46px 0 70px;
}
.eyebrow {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--lamp);
  margin-bottom: 20px;
}
h1 {
  font-weight: 800;
  font-size: clamp(2.3rem, 5vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 20px;
}
.lede {
  font-size: 1.12rem;
  color: var(--ink-dim);
  max-width: 40ch;
  margin-bottom: 30px;
}
.cta-row {
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}
.btn {
  font-family: "JetBrains Mono", monospace;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  padding: 13px 24px;
  border-radius: 10px;
  transition:
    background 0.16s,
    color 0.16s,
    border-color 0.16s;
  display: inline-block;
}
.btn-primary {
  background: var(--lamp);
  color: var(--bg);
}
.btn-primary:hover {
  background: var(--lamp-deep);
}
.btn-line {
  border: 1px solid var(--line);
  color: var(--ink);
}
.btn-line:hover {
  border-color: var(--lamp);
  color: var(--lamp);
}
.signin-note {
  margin-top: 14px;
  font-size: 0.95rem;
  color: var(--ink-dim);
}
.signin-note a {
  color: var(--lamp);
  text-decoration: none;
  font-weight: 700;
}
.signin-note a:hover {
  text-decoration: underline;
}
.connect-hint {
  margin-top: 22px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.88rem;
  color: var(--ink-dim);
}
.connect-hint b {
  color: var(--term-fg);
  background: var(--term-bg);
  padding: 4px 10px;
  border-radius: 7px;
  border: 1px solid var(--line);
  font-weight: 500;
}

.window .frame {
  background: var(--term-bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px 16px;
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.35);
}
.win-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 2px 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 12px;
}
.win-bar .tt {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.74rem;
  color: var(--term-dim);
}
.win-bar .tt .live {
  color: var(--moss);
}
pre.term {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  line-height: 1.3;
  color: var(--term-fg);
  margin: 0;
  white-space: pre;
  overflow: hidden;
}
pre.term .cat {
  color: var(--term-dim);
}
pre.term .dim {
  color: var(--term-dim);
}
pre.term .prompt {
  color: var(--term-fg);
}
.cursor {
  display: inline-block;
  width: 7px;
  height: 1em;
  background: var(--term-fg);
  vertical-align: -1px;
  opacity: 0.8;
  animation: blink 1.2s steps(1) infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

section.block {
  padding: 20px 0;
}
.kicker {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--lamp);
  margin-bottom: 8px;
}
h2 {
  font-weight: 800;
  font-size: 1.7rem;
  color: var(--ink);
  margin-bottom: 24px;
}

.inside {
  padding: 30px 0 44px;
}
.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.panel {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px 24px;
}
.panel h3 {
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 9px;
}
.panel h3 .tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  color: var(--lamp);
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 6px;
  font-weight: 500;
}
.panel p {
  color: var(--ink-dim);
  font-size: 1rem;
}

.cat-divider {
  display: flex;
  justify-content: center;
  padding: 36px 0 10px;
}
pre.bigcat {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.92rem;
  line-height: 1.25;
  color: var(--term-dim);
  margin: 0;
  white-space: pre;
}
.sleeping {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 44px 0 8px;
}
pre.sleepcat {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  line-height: 1.25;
  color: var(--term-dim);
  margin: 0;
  white-space: pre;
}
.sleeping .zzz {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--lamp);
  letter-spacing: 0.2em;
}

.howto {
  padding: 34px 0 44px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.step {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.step .num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  color: var(--lamp);
  margin-bottom: 8px;
}
.step h4 {
  font-weight: 800;
  font-size: 1.08rem;
  margin-bottom: 6px;
}
.step p {
  color: var(--ink-dim);
  font-size: 0.96rem;
}
.step code {
  font-family: "JetBrains Mono", monospace;
  background: var(--term-bg);
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--term-fg);
}

.final {
  text-align: center;
  padding: 50px 0 30px;
}
.final h2 {
  margin-bottom: 20px;
}
.final .btn-primary {
  font-size: 1.05rem;
  padding: 15px 34px;
}
.final .signin-note {
  margin-top: 18px;
}

footer {
  border-top: 1px solid var(--line);
  margin-top: 30px;
  padding: 26px 0 50px;
  color: var(--ink-dim);
  font-size: 0.9rem;
  font-family: "JetBrains Mono", monospace;
  text-align: center;
}
footer .flinks {
  margin-bottom: 12px;
}
footer .note {
  color: var(--term-dim);
  font-size: 0.82rem;
  line-height: 1.5;
}
footer a {
  color: var(--ink-dim);
  text-decoration: none;
}
footer a:hover {
  color: var(--ink);
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 30px 0 44px;
  }
  .lede {
    max-width: none;
  }
  .two {
    grid-template-columns: 1fr;
  }
  .steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .nav a.plain {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- forms (register / login) ---------- */
.auth-wrap {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 0;
}
.card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 36px 32px;
}
.card .lead {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--lamp);
  margin-bottom: 8px;
}
.card h1 {
  font-size: 1.9rem;
  margin-bottom: 8px;
}
.card .sub {
  color: var(--ink-dim);
  font-size: 0.98rem;
  margin-bottom: 26px;
}
.card .sub a {
  color: var(--lamp);
  text-decoration: none;
  font-weight: 700;
}
.card .sub a:hover {
  text-decoration: underline;
}

.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.8rem;
  color: var(--ink-dim);
  margin-bottom: 7px;
  letter-spacing: 0.02em;
}
.field input {
  width: 100%;
  background: var(--term-bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--ink);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.95rem;
  transition:
    border-color 0.16s,
    box-shadow 0.16s;
}
.field input::placeholder {
  color: var(--term-dim);
}
.field input:focus {
  outline: none;
  border-color: var(--lamp);
  box-shadow: 0 0 0 3px rgba(217, 160, 102, 0.15);
}

.btn-full {
  width: 100%;
  text-align: center;
  border: none;
  cursor: pointer;
  margin-top: 6px;
}

.msg {
  border-radius: 10px;
  padding: 11px 14px;
  font-size: 0.9rem;
  margin-bottom: 20px;
  font-family: "JetBrains Mono", monospace;
  line-height: 1.45;
}
.msg.error {
  background: rgba(200, 90, 70, 0.12);
  border: 1px solid rgba(200, 90, 70, 0.4);
  color: #e0a596;
}
.msg.ok {
  background: rgba(143, 166, 120, 0.12);
  border: 1px solid rgba(143, 166, 120, 0.4);
  color: var(--moss);
}

.token-box {
  background: var(--term-bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px;
  margin: 8px 0 20px;
  font-family: "JetBrains Mono", monospace;
  font-size: 1.05rem;
  color: var(--term-fg);
  word-break: break-all;
  text-align: center;
  letter-spacing: 0.03em;
}

.back-link {
  display: block;
  text-align: center;
  margin-top: 22px;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  color: var(--ink-dim);
  text-decoration: none;
}
.back-link:hover {
  color: var(--ink);
}