:root {
  --bg: #07080b;
  --fog: #101218;
  --ink: #e8e6df;
  --muted: #8b908c;
  --line: #24282f;
  --accent: #c9f27a;
  --accent-dim: #8fb85a;
  --bad: #ff8b7a;
  --glow: rgba(201, 242, 122, 0.14);
}

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

body {
  min-height: 100vh;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #161a14 0%, transparent 55%),
    radial-gradient(800px 400px at 100% 0%, #12151c 0%, transparent 50%),
    var(--bg);
}

.wrap {
  width: min(740px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.25rem 0 4.5rem;
}

header {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 3.25rem;
}

.brand {
  font-family: Syne, sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.brand-ar {
  font-family: "IBM Plex Sans Arabic", "IBM Plex Sans", sans-serif;
  color: var(--muted);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
}

.meaning {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  font-family: Syne, sans-serif;
  font-weight: 700;
  font-size: clamp(2.15rem, 6vw, 3.35rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin: 0 0 0.9rem;
}

.lede {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 36rem;
  margin: 0 0 2.1rem;
}

form.card {
  display: flex;
  gap: 0.55rem;
  padding: 0.7rem;
  background: var(--fog);
  border: 1px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 0 0 1px #000, 0 24px 60px rgba(0, 0, 0, 0.45);
}

input[type="url"] {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.85rem 0.95rem;
  background: #0a0c10;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
}

input[type="url"]::placeholder { color: #5c615c; }

input[type="url"]:focus {
  outline: none;
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px var(--glow);
}

button {
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.04em;
  border: 0;
  border-radius: 2px;
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  background: var(--accent);
  color: #10140c;
  white-space: nowrap;
}

button:hover { filter: brightness(1.06); }
button:disabled { opacity: 0.5; cursor: wait; }

button.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.result,
.err {
  display: none;
  margin-top: 1rem;
  padding: 1rem 1.05rem;
  border-radius: 4px;
}

.result {
  background: #12160e;
  border: 1px solid #2a3a18;
}

.err {
  background: #1a0f0d;
  border: 1px solid #4a2a24;
  color: var(--bad);
}

.result.show,
.err.show { display: block; }

.result label {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent-dim);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.short-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.short-row code {
  flex: 1;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.98rem;
  word-break: break-all;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-top: 3.25rem;
}

.steps article {
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.steps h2 {
  margin: 0 0 0.4rem;
  font-family: Syne, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

footer {
  margin-top: 3.5rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

footer code,
.steps code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.8em;
  color: #b7bdb4;
}

@media (max-width: 640px) {
  header { flex-wrap: wrap; }
  .meaning { margin-left: 0; width: 100%; }
  form.card { flex-direction: column; }
  .steps { grid-template-columns: 1fr; }
}