:root {
  color-scheme: dark;
  --bg: #0a0a0c;
  --panel: rgba(255, 255, 255, 0.035);
  --panel-strong: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.09);
  --ink: #ededf0;
  --muted: #9a9aa3;
  --accent: #a3e635;
  --accent-soft: rgba(163, 230, 53, 0.12);
  --accent-ink: #0c1202;
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.12);
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  line-height: 1.55;
  background-color: var(--bg);
  background-image:
    radial-gradient(56rem 28rem at 50% -8rem, rgba(163, 230, 53, 0.08), transparent 60%),
    radial-gradient(40rem 22rem at 88% 4rem, rgba(99, 102, 241, 0.07), transparent 60%),
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 2.75rem 2.75rem, 2.75rem 2.75rem;
}

main {
  width: 100%;
  max-width: 58rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  flex: 1;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 1.1rem;
}
footer .mono { color: var(--accent); }

h1 { font-size: 1.9rem; letter-spacing: -0.02em; margin: 0 0 0.35rem; }
h2 { font-size: 1.02rem; letter-spacing: -0.01em; margin: 0 0 0.9rem; }

a { color: var(--accent); text-decoration-color: rgba(163, 230, 53, 0.4); }
a:hover { text-decoration-color: var(--accent); }

.mono { font-family: var(--mono); }
.muted { color: var(--muted); font-weight: 400; font-size: 0.85em; }

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  padding: 0.08rem 0.35rem;
  border-radius: 5px;
}

/* ---- hero ------------------------------------------------------------- */

.hero { text-align: center; padding: 2.5rem 0 1.5rem; }
.hero.compact { padding-top: 1.25rem; }

.hero .brand {
  font-family: var(--mono);
  font-size: clamp(2.7rem, 7vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  margin: 0;
  background: linear-gradient(180deg, #fff 30%, #b8b8c4);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
}

.cursor {
  color: var(--accent);
  -webkit-text-fill-color: var(--accent);
  animation: blink 1.1s steps(2, start) infinite;
}
@keyframes blink { to { visibility: hidden; } }

.hero .lead {
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 1rem auto 0.4rem;
  max-width: 34rem;
}

.hero .sub {
  color: var(--muted);
  margin: 0 auto;
  max-width: 36rem;
}

.hero .stats {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  display: inline-block;
  padding: 0.3rem 0.9rem;
  margin-top: 1.4rem;
  background: var(--panel);
}

.badge {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border-radius: 999px;
  padding: 0.25rem 0.8rem;
  margin: 0 0 1rem;
}
.badge.ok { color: var(--accent); background: var(--accent-soft); border: 1px solid rgba(163, 230, 53, 0.35); }

/* ---- steps ------------------------------------------------------------ */

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
  padding: 0;
  margin: 1.75rem 0 2.25rem;
}

.steps li {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  padding: 1rem 1.1rem;
}

.steps .step-n {
  display: block;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}
.steps strong { display: block; margin-bottom: 0.15rem; letter-spacing: -0.01em; }
.steps li > span:last-child { color: var(--muted); font-size: 0.85rem; }

/* ---- cards / columns --------------------------------------------------- */

.columns {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  align-items: start;
}
@media (max-width: 760px) { .columns { grid-template-columns: 1fr; } }

.side { display: grid; gap: 1rem; }

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  padding: 1.4rem 1.5rem;
}

/* ---- forms ------------------------------------------------------------- */

form .field { margin-bottom: 1rem; }
form label { display: block; font-weight: 600; font-size: 0.85rem; margin-bottom: 0.3rem; }
form small { display: block; color: var(--muted); font-size: 0.78rem; margin-top: 0.3rem; }

input[type="text"], input[type="password"], input[type="file"] {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--ink);
  font: inherit;
}
input.mono { font-family: var(--mono); }

input:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

input[type="file"]::file-selector-button {
  font: inherit;
  font-size: 0.85rem;
  color: var(--ink);
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.3rem 0.8rem;
  margin-right: 0.8rem;
  cursor: pointer;
}

input[type="submit"], button {
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  border-radius: 8px;
  padding: 0.6rem 1.3rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
input[type="submit"]:hover, button:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(163, 230, 53, 0.25);
}

button.danger {
  background: transparent;
  color: var(--danger);
  padding: 0.15rem 0.5rem;
  font-weight: 500;
  font-size: 0.85rem;
}
button.danger:hover { box-shadow: none; background: var(--danger-soft); transform: none; }

.token-details { margin-bottom: 1rem; }
.token-details summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.85rem;
}
.token-details summary:hover { color: var(--ink); }
.token-details .field { margin-top: 0.8rem; }

.row { display: flex; gap: 0.6rem; }
.row input[type="text"] { flex: 1; min-width: 0; }
.row input[type="submit"] { white-space: nowrap; }

/* ---- terminal ----------------------------------------------------------- */

.term {
  background: #08090b;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}

.term-bar {
  display: flex;
  gap: 0.45rem;
  padding: 0.6rem 0.85rem;
  border-bottom: 1px solid var(--line);
}
.term-bar i { width: 0.65rem; height: 0.65rem; border-radius: 50%; background: #2e2e33; }
.term-bar i:first-child { background: #ff5f56; }
.term-bar i:nth-child(2) { background: #ffbd2e; }
.term-bar i:nth-child(3) { background: #27c93f; }

.term pre {
  margin: 0;
  padding: 0.95rem 1.05rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.8;
  overflow-x: auto;
}
.term .p { color: var(--muted); }
.term .ok { color: var(--accent); }

/* ---- flash / hints ------------------------------------------------------ */

.flash {
  padding: 0.7rem 1rem;
  border-radius: 10px;
  border: 1px solid;
  margin: 0 0 1.5rem;
  font-size: 0.92rem;
}
.flash-alert { background: var(--danger-soft); border-color: rgba(248, 113, 113, 0.4); color: #fecaca; }
.flash-notice { background: var(--accent-soft); border-color: rgba(163, 230, 53, 0.35); color: #d9f99d; }

.hint { color: var(--muted); font-size: 0.83rem; }
.links { margin-top: 1.5rem; }
.breadcrumb { font-size: 0.85rem; margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }

/* ---- tables (editor) ----------------------------------------------------- */

section { margin-bottom: 2.25rem; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--line); }
th {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---- token box (created) -------------------------------------------------- */

.token-box {
  border-color: rgba(163, 230, 53, 0.4);
  background: var(--accent-soft);
  margin: 1.75rem 0;
}
.token-box h2 { color: var(--accent); }
.token-box .token {
  display: block;
  background: rgba(0, 0, 0, 0.5);
  border: 1px dashed rgba(163, 230, 53, 0.5);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  font-size: 1.02rem;
  user-select: all;
  overflow-wrap: anywhere;
}