/* Lyhna — minimal developer-facing styling. No framework. */

:root {
  --bg: #0a0a0b;
  --bg-panel: #121214;
  --bg-panel-2: #17171a;
  --border: #26262b;
  --border-strong: #3a3a42;
  --text: #e8e8ec;
  --text-dim: #8a8a94;
  --text-faint: #5a5a64;
  --accent: #d4b24a;
  --accent-dim: #8a7430;
  --green: #3fb950;
  --red: #f85149;
  --amber: #d29922;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { text-decoration: underline; }

code, pre, .mono {
  font-family: var(--mono);
  font-size: 13px;
}

/* --- Layout --- */

.nav {
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
}
.nav .brand {
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}
.nav .brand:hover { text-decoration: none; color: var(--accent); }
.nav .links a {
  color: var(--text-dim);
  margin-left: 20px;
  font-size: 14px;
}
.nav .links a:hover { color: var(--text); text-decoration: none; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 48px 24px;
}
.container-narrow {
  max-width: 480px;
  margin: 0 auto;
  padding: 64px 24px;
}

/* --- Hero --- */

.hero {
  text-align: center;
  padding: 96px 24px 48px;
}
.hero h1 {
  font-size: 56px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.hero .tagline {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 40px;
}

/* --- Buttons --- */

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--bg-panel);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.btn:hover {
  border-color: var(--accent);
  text-decoration: none;
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #1a1a1a;
  font-weight: 600;
}
.btn-primary:hover {
  background: #e1c05a;
  border-color: #e1c05a;
}
.btn-small {
  padding: 6px 12px;
  font-size: 13px;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* --- Forms --- */

.form-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
}
.form-panel h1 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 6px;
}
.form-panel .subtitle {
  color: var(--text-dim);
  font-size: 14px;
  margin-bottom: 28px;
}
.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
.field input:focus {
  outline: none;
  border-color: var(--accent);
}
.field-hint {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 4px;
}

.form-footer {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.form-footer .link {
  font-size: 13px;
  color: var(--text-dim);
}

.alert {
  padding: 12px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 18px;
}
.alert-error {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid rgba(248, 81, 73, 0.3);
  color: #ffb4b0;
}
.alert-warn {
  background: rgba(210, 153, 34, 0.1);
  border: 1px solid rgba(210, 153, 34, 0.35);
  color: #f4d98a;
}
.alert-ok {
  background: rgba(63, 185, 80, 0.08);
  border: 1px solid rgba(63, 185, 80, 0.3);
  color: #a7e6b0;
}

/* --- Dashboard --- */

.dash-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
.card h2 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 10px;
}
.kv {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--text-dim); }
.kv .v { font-family: var(--mono); font-size: 13px; color: var(--text); }

.snippet {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text);
  white-space: pre;
}
.snippet-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.api-key-box {
  background: var(--bg);
  border: 1px dashed var(--accent-dim);
  border-radius: 6px;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  word-break: break-all;
  color: var(--accent);
}

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.pill-approved { background: rgba(63, 185, 80, 0.12); color: var(--green); }
.pill-refused  { background: rgba(248, 81, 73, 0.12); color: var(--red); }
.pill-escalated { background: rgba(210, 153, 34, 0.12); color: var(--amber); }

/* --- Receipt table --- */

table.receipts {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.receipts th {
  text-align: left;
  padding: 10px 8px;
  color: var(--text-dim);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}
table.receipts td {
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
table.receipts tr:last-child td { border-bottom: none; }
table.receipts code {
  font-size: 12px;
  color: var(--text-dim);
}

.verify-slot {
  font-size: 12px;
  font-weight: 600;
}
.verify-slot.pass { color: var(--green); }
.verify-slot.fail { color: var(--red); }
.verify-slot.pending { color: var(--text-dim); }

.muted { color: var(--text-dim); }
.spacer { flex: 1; }
.flex-row { display: flex; align-items: center; gap: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }