:root {
  --teal: #4FCBC5;
  --dark-grey: #545454;
  --orange: #F48D46;
  --light-grey: #EFEFEF;
  --white: #FFFFFF;
  --green: #34d399;
  --yellow: #fbbf24;
  --red: #f87171;
  --blue: #6c8cff;
  --purple: #a78bfa;
}

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

body {
  font-family: 'Montserrat', sans-serif;
  background: var(--white);
  color: var(--dark-grey);
  line-height: 1.7;
  font-size: 15px;
}

/* ── Layout ── */
.layout { display: flex; min-height: 100vh; }

nav {
  width: 260px;
  min-width: 260px;
  background: var(--white);
  border-right: 1px solid var(--light-grey);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  padding: 24px 0;
}

nav .logo {
  padding: 0 20px 20px;
  border-bottom: 2px solid var(--teal);
  margin-bottom: 16px;
}

nav .logo svg { width: 100%; height: auto; margin-bottom: 12px; }
nav .logo p { font-size: 12px; color: var(--dark-grey); margin-top: 8px; font-weight: 400; }

nav a {
  display: block;
  padding: 6px 20px;
  color: var(--dark-grey);
  text-decoration: none;
  font-size: 13px;
  border-left: 2px solid transparent;
  transition: all 0.15s;
}

nav a:hover { color: var(--teal); background: rgba(79,203,197,0.05); }
nav a.active { color: var(--teal); border-left-color: var(--teal); background: rgba(79,203,197,0.08); }

.nav-section {
  font-size: 12px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dark-grey);
  padding: 16px 20px 6px;
  font-family: 'Montserrat', sans-serif;
}

main {
  flex: 1;
  max-width: 900px;
  padding: 48px 56px;
  overflow-x: hidden;
  border-top: 3px solid var(--teal);
}

/* ── Typography ── */
h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 32px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--dark-grey);
  text-transform: capitalize;
}

h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  font-weight: 400;
  margin: 48px 0 16px;
  padding-top: 48px;
  border-top: 1px solid var(--light-grey);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dark-grey);
}

h2:first-of-type { border-top: none; padding-top: 0; }

h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  font-weight: 400;
  margin: 24px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dark-grey);
}

p { margin-bottom: 12px; color: var(--dark-grey); }
ul, ol { padding-left: 20px; margin-bottom: 12px; }
li { margin-bottom: 4px; color: var(--dark-grey); }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

.subtitle {
  font-size: 16px;
  color: var(--dark-grey);
  margin-bottom: 32px;
  line-height: 1.6;
}

/* ── Code ── */
code {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  font-size: 13px;
  background: #f8f9fa;
  border: 1px solid var(--light-grey);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--dark-grey);
}

pre {
  background: #f8f9fa;
  border: 1px solid var(--light-grey);
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
  margin: 16px 0;
}

pre code {
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  color: var(--dark-grey);
  line-height: 1.7;
}

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 13px; }

th {
  background: var(--teal);
  text-align: left;
  padding: 10px 14px;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
}

td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--light-grey);
  vertical-align: top;
  color: var(--dark-grey);
}

tr:last-child td { border-bottom: none; }
tr:nth-child(even) td { background: var(--light-grey); }
tr:hover td { background: rgba(79,203,197,0.05); }
td code { font-size: 12px; }

/* ── Cards ── */
.card {
  background: var(--white);
  border: 1px solid var(--light-grey);
  border-top: 3px solid var(--teal);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 12px 0;
  transition: all 0.15s;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(79,203,197,0.1);
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 16px 0;
}

.card h3 { margin-top: 0; }
.card p { color: var(--dark-grey); font-size: 13px; margin-bottom: 0; }

/* Link cards (launchpad) */
a.card {
  display: block;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

a.card:hover {
  box-shadow: 0 4px 16px rgba(79,203,197,0.15);
  transform: translateY(-1px);
  text-decoration: none;
}

a.card h3 { color: var(--dark-grey); }

/* ── Badges ── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-blue   { background: rgba(108,140,255,0.15); color: var(--blue); }
.badge-green  { background: rgba(52,211,153,0.15);  color: var(--green); }
.badge-yellow { background: rgba(251,191,36,0.15);  color: var(--yellow); }
.badge-red    { background: rgba(248,113,113,0.15); color: var(--red); }
.badge-purple { background: rgba(167,139,250,0.15); color: var(--purple); }

/* ── Callouts ── */
.callout {
  border-radius: 8px;
  padding: 14px 18px;
  margin: 16px 0;
  border-left: 3px solid;
  font-size: 14px;
}

.callout-info { background: rgba(79,203,197,0.08); border-color: var(--teal); }
.callout-warn { background: rgba(244,141,70,0.08); border-color: var(--orange); }
.callout strong { display: block; margin-bottom: 4px; color: var(--dark-grey); }

/* ── Pipeline ── */
.pipeline { display: flex; flex-direction: column; gap: 0; margin: 16px 0; }

.pipeline-step { display: flex; gap: 16px; position: relative; }

.pipeline-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 32px;
  bottom: -2px;
  width: 2px;
  background: var(--light-grey);
}

.step-num {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  background: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--white);
  margin-top: 4px;
}

.step-body { padding-bottom: 24px; }
.step-body strong { display: block; margin-bottom: 4px; color: var(--dark-grey); }
.step-body p { font-size: 13px; color: var(--dark-grey); margin: 0; }

.var-desc { color: var(--dark-grey); font-size: 12px; margin-top: 3px; }
section { scroll-margin-top: 24px; }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }

label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  color: var(--dark-grey);
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--light-grey);
  border-radius: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  color: var(--dark-grey);
  outline: none;
  transition: border-color 0.15s;
  background: var(--white);
}

input:focus { border-color: var(--teal); }

/* ── Buttons ── */
.btn {
  display: inline-block;
  padding: 9px 22px;
  background: var(--teal);
  color: var(--white);
  border: none;
  border-radius: 6px;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: opacity 0.15s;
  text-decoration: none;
}

.btn:hover { opacity: 0.85; text-decoration: none; color: var(--white); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  color: var(--dark-grey);
  border: 1px solid var(--light-grey);
}

.btn-ghost:hover { border-color: var(--teal); color: var(--teal); background: transparent; }

/* ── Alerts ── */
.alert {
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-top: 12px;
  border-left: 3px solid;
}

.alert-error   { background: rgba(248,113,113,0.08); color: var(--red);   border-color: var(--red); }
.alert-success { background: rgba(52,211,153,0.08);  color: var(--green); border-color: var(--green); }

/* ── Key display ── */
.key-display {
  background: #f8f9fa;
  border: 1px solid var(--light-grey);
  border-radius: 6px;
  padding: 12px 16px;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 12px;
  word-break: break-all;
  margin-top: 12px;
  color: var(--dark-grey);
}

/* ── Login page ── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-grey);
}

.login-card {
  background: var(--white);
  border-top: 3px solid var(--teal);
  border-radius: 8px;
  padding: 40px 48px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.07);
}

.login-card h1 { font-size: 24px; margin-bottom: 6px; }
.login-card .subtitle { font-size: 13px; margin-bottom: 28px; }

/* ── Responsive ── */
@media (max-width: 900px) {
  nav { display: none; }
  main { padding: 32px 24px; }
  .card-grid { grid-template-columns: 1fr; }
}