/* ============================================================================
   GHL MCP Portal — design system
   Hand-written, CSP-safe (no external fonts/CDN), system font stack.
   Light theme, WCAG AA contrast, mobile-first (breakpoints 640 / 768 / 1024).
   ========================================================================== */

/* ---- Design tokens -------------------------------------------------------- */
:root {
  /* Brand / accent — indigo-blue, trustworthy + technical */
  --c-accent: #165dff;
  --c-accent-600: #0f49d6;
  --c-accent-700: #0d3cb0;
  --c-accent-soft: #eaf0ff;

  /* Neutrals (slate) */
  --c-bg: #f6f8fb;
  --c-surface: #ffffff;
  --c-surface-2: #f1f4f9;
  --c-border: #dde3ec;
  --c-border-strong: #c4cdda;

  --c-text: #11161f;        /* ~16.5:1 on surface */
  --c-text-soft: #475067;   /* ~7:1 on surface */
  --c-text-muted: #5d667c;  /* ~5.4:1 on surface — AA for body */
  --c-text-invert: #ffffff;

  /* Status */
  --c-success: #0f7d4d;
  --c-success-soft: #e3f6ec;
  --c-warn: #9a6700;
  --c-warn-soft: #fbf1da;
  --c-danger: #c02626;
  --c-danger-soft: #fbe7e7;

  /* Code */
  --c-code-bg: #0e1726;
  --c-code-text: #e7edf7;

  /* Spacing scale (4px base) */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;

  /* Radius */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* Shadows */
  --sh-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --sh-md: 0 4px 12px rgba(16, 24, 40, 0.08), 0 2px 4px rgba(16, 24, 40, 0.05);
  --sh-lg: 0 18px 40px rgba(16, 24, 40, 0.12);

  --fs-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;
  --fs-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --container: 1100px;
}

/* ---- Reset / base --------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--fs-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 var(--sp-3); color: var(--c-text); letter-spacing: -0.01em; }
p { margin: 0 0 var(--sp-3); }
a { color: var(--c-accent-600); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { margin: 0 0 var(--sp-3); padding-left: var(--sp-5); }
code { font-family: var(--fs-mono); font-size: 0.9em; }
strong { font-weight: 650; }

.muted { color: var(--c-text-muted); }
.mono { font-family: var(--fs-mono); }
.accent { color: var(--c-accent); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--c-accent); color: #fff; padding: var(--sp-2) var(--sp-4);
  border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; }

/* Visible focus for keyboard users (AA) */
:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-4);
}

main.main { padding-block: var(--sp-6) var(--sp-8); flex: 1 0 auto; }

/* ---- Header / nav --------------------------------------------------------- */
.site-header {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  position: sticky; top: 0; z-index: 40;
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 64px; gap: var(--sp-4);
}
.brand {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-weight: 700; color: var(--c-text); letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--c-accent); display: inline-flex; }
.brand-name { font-size: 1.05rem; }

.nav-links { display: flex; align-items: center; gap: var(--sp-1); }
.nav-links a {
  color: var(--c-text-soft); font-weight: 500; font-size: 0.95rem;
  padding: var(--sp-2) var(--sp-3); border-radius: var(--r-sm);
}
.nav-links a:hover { color: var(--c-text); background: var(--c-surface-2); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--c-accent-700); background: var(--c-accent-soft); }
.nav-logout { margin: 0 0 0 var(--sp-2); }

.nav-toggle {
  display: none; flex-direction: column; gap: 4px; width: 42px; height: 42px;
  align-items: center; justify-content: center; background: transparent;
  border: 1px solid var(--c-border); border-radius: var(--r-sm); cursor: pointer;
}
.nav-toggle-bar { display: block; width: 18px; height: 2px; background: var(--c-text); border-radius: 2px; }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--c-surface); border-bottom: 1px solid var(--c-border);
    padding: var(--sp-2) var(--sp-4) var(--sp-4);
    box-shadow: var(--sh-md);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: var(--sp-3); }
  .nav-logout { margin: var(--sp-2) 0 0; }
  .nav-logout .btn { width: 100%; }
}

/* ---- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  font-family: inherit; font-size: 0.95rem; font-weight: 600; line-height: 1;
  padding: 0.7rem 1.1rem; border-radius: var(--r-md);
  border: 1px solid transparent; cursor: pointer; text-decoration: none;
  transition: background-color .15s ease, border-color .15s ease, transform .05s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary { background: var(--c-accent); color: #fff; box-shadow: var(--sh-sm); }
.btn-primary:hover { background: var(--c-accent-600); }
.btn-secondary { background: var(--c-surface); color: var(--c-text); border-color: var(--c-border-strong); }
.btn-secondary:hover { background: var(--c-surface-2); }
.btn-ghost { background: transparent; color: var(--c-text-soft); }
.btn-ghost:hover { background: var(--c-surface-2); color: var(--c-text); }
.btn-danger { background: var(--c-danger); color: #fff; }
.btn-danger:hover { background: #a51f1f; }

.btn-sm { padding: 0.45rem 0.75rem; font-size: 0.85rem; }
.btn-lg { padding: 0.85rem 1.5rem; font-size: 1.02rem; }
.btn-block { display: flex; width: 100%; }

/* ---- Cards ---------------------------------------------------------------- */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: var(--sh-sm);
}
.card-title { font-size: 1.05rem; margin-bottom: var(--sp-4); }

/* ---- Forms ---------------------------------------------------------------- */
.field { margin-bottom: var(--sp-4); }
.field label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: var(--sp-2); color: var(--c-text); }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: 1rem; color: var(--c-text);
  background: var(--c-surface); border: 1px solid var(--c-border-strong);
  border-radius: var(--r-md); padding: 0.65rem 0.8rem; line-height: 1.4;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.field input::placeholder { color: #97a0b4; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-soft);
}
.field-hint { font-size: 0.82rem; color: var(--c-text-muted); margin: var(--sp-2) 0 0; }
.form-card { margin-bottom: var(--sp-5); }

/* ---- Alerts / flash ------------------------------------------------------- */
.alert {
  border-radius: var(--r-md); padding: var(--sp-3) var(--sp-4);
  margin: var(--sp-4) 0; border: 1px solid transparent; font-size: 0.95rem;
}
.alert-success { background: var(--c-success-soft); border-color: #b6e2c8; color: #0a5333; }
.alert-error { background: var(--c-danger-soft); border-color: #f0c0c0; color: #8d1d1d; }
.alert-warn { background: var(--c-warn-soft); border-color: #ecd9a8; color: #7a5200; }

/* ---- Badges --------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: var(--sp-1);
  font-size: 0.74rem; font-weight: 650; letter-spacing: 0.02em; text-transform: uppercase;
  padding: 0.2rem 0.55rem; border-radius: var(--r-pill); border: 1px solid transparent;
}
.badge-ok { background: var(--c-success-soft); color: #0a5333; border-color: #b6e2c8; }
.badge-warn { background: var(--c-warn-soft); color: #7a5200; border-color: #ecd9a8; }
.badge-danger { background: var(--c-danger-soft); color: #8d1d1d; border-color: #f0c0c0; }
.badge-muted { background: var(--c-surface-2); color: var(--c-text-muted); border-color: var(--c-border); }
.badge-accent { background: var(--c-accent-soft); color: var(--c-accent-700); border-color: #c2d2ff; }

/* ---- Tables --------------------------------------------------------------- */
.table-wrap { padding: 0; overflow: hidden; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.data-table th, .data-table td { text-align: left; padding: 0.8rem 1rem; vertical-align: middle; }
.data-table thead th {
  background: var(--c-surface-2); color: var(--c-text-soft);
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em;
  border-bottom: 1px solid var(--c-border);
}
.data-table tbody tr + tr { border-top: 1px solid var(--c-border); }
.data-table td code { background: var(--c-surface-2); padding: 0.1rem 0.35rem; border-radius: var(--r-sm); }
.row-muted { opacity: 0.6; }
.cell-actions { text-align: right; white-space: nowrap; }

@media (max-width: 640px) {
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table tr { border: 1px solid var(--c-border); border-radius: var(--r-md); margin-bottom: var(--sp-3); padding: var(--sp-2); }
  .data-table tbody tr + tr { border-top: 1px solid var(--c-border); }
  .data-table td { display: flex; justify-content: space-between; gap: var(--sp-4); padding: 0.5rem 0.6rem; text-align: right; }
  .data-table td::before { content: attr(data-label); font-weight: 600; color: var(--c-text-soft); text-align: left; }
  .cell-actions { justify-content: flex-end; }
  .cell-actions::before { content: ""; }
}

/* ---- Code blocks ---------------------------------------------------------- */
.codeblock {
  background: var(--c-code-bg); border-radius: var(--r-md);
  overflow-x: auto; margin: var(--sp-3) 0 var(--sp-4);
}
.codeblock pre { margin: 0; padding: var(--sp-4); }
.codeblock code { color: var(--c-code-text); font-size: 0.85rem; line-height: 1.6; white-space: pre; }

/* ---- Layout grids --------------------------------------------------------- */
.grid { display: grid; gap: var(--sp-4); }
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) {
  .connections-layout, .keys-layout { grid-template-columns: 1.4fr 1fr; align-items: start; }
}

/* ---- App page chrome ------------------------------------------------------ */
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--sp-4); margin-bottom: var(--sp-5); flex-wrap: wrap;
}
.page-title { font-size: 1.6rem; margin-bottom: var(--sp-1); }
.section-subtitle { font-size: 1.2rem; margin: var(--sp-6) 0 var(--sp-3); }
.link { font-weight: 600; }

.stat-grid { margin-bottom: var(--sp-5); }
.stat { padding: var(--sp-4) var(--sp-5); }
.stat-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--c-text-muted); margin-bottom: var(--sp-2); }
.stat-value { font-size: 1.5rem; font-weight: 700; margin-bottom: var(--sp-1); letter-spacing: -0.02em; }
.stat-of { font-size: 1rem; font-weight: 500; }
.stat-meta { font-size: 0.85rem; margin: 0; }

.usage-summary { margin-bottom: var(--sp-5); }
.usage-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: var(--sp-3); }
.usage-head .card-title { margin: 0; }
.usage-figure { font-size: 1.25rem; margin-bottom: var(--sp-3); }
.usage-pct { font-size: 0.85rem; margin: var(--sp-2) 0 var(--sp-3); }

.meter { background: var(--c-surface-2); border-radius: var(--r-pill); height: 12px; overflow: hidden; border: 1px solid var(--c-border); }
.meter-fill { height: 100%; background: var(--c-accent); border-radius: var(--r-pill); transition: width .3s ease; min-width: 2px; }
.meter-warn { background: var(--c-warn); }
.meter-danger { background: var(--c-danger); }

.quicklink { display: block; transition: box-shadow .15s ease, border-color .15s ease, transform .1s ease; }
.quicklink:hover { text-decoration: none; box-shadow: var(--sh-md); border-color: var(--c-border-strong); transform: translateY(-2px); }
.quicklink h3 { font-size: 1.05rem; color: var(--c-accent-700); }

.empty-state { color: var(--c-text-muted); text-align: center; padding: var(--sp-6); }
.help-blurb { background: var(--c-surface-2); }
.help-title { font-size: 1rem; }
.help-steps { margin: 0; padding-left: var(--sp-5); }
.help-steps li { margin-bottom: var(--sp-2); font-size: 0.92rem; }

/* One-time API key reveal */
.onetime-key { border-color: var(--c-warn); background: var(--c-warn-soft); margin-bottom: var(--sp-5); }
.onetime-title { font-size: 1.05rem; color: #7a5200; }
.key-reveal { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.key-value {
  flex: 1 1 320px; font-family: var(--fs-mono); font-size: 0.9rem;
  background: var(--c-code-bg); color: var(--c-code-text);
  padding: 0.7rem 0.9rem; border-radius: var(--r-md); overflow-x: auto; word-break: break-all;
}
.key-note { font-size: 0.85rem; }

/* ---- Auth pages ----------------------------------------------------------- */
.auth-main { display: flex; align-items: flex-start; justify-content: center; }
.auth-card { width: 100%; max-width: 420px; margin-top: var(--sp-6); padding: var(--sp-6); }
.auth-title { font-size: 1.4rem; }
.auth-sub { margin-bottom: var(--sp-5); }
.auth-alt { text-align: center; margin: var(--sp-5) 0 0; font-size: 0.92rem; }

/* ---- Landing -------------------------------------------------------------- */
.hero {
  background:
    radial-gradient(1100px 380px at 80% -10%, var(--c-accent-soft), transparent 60%),
    linear-gradient(180deg, #fff, var(--c-bg));
  border-bottom: 1px solid var(--c-border);
  padding-block: var(--sp-8) var(--sp-7);
  text-align: center;
}
.eyebrow { color: var(--c-accent-700); font-weight: 650; text-transform: uppercase; letter-spacing: 0.06em; font-size: 0.8rem; margin-bottom: var(--sp-3); }
.hero-title { font-size: clamp(1.9rem, 5vw, 3.1rem); max-width: 18ch; margin-inline: auto; }
.hero-sub { font-size: clamp(1rem, 2.2vw, 1.18rem); color: var(--c-text-soft); max-width: 60ch; margin: var(--sp-4) auto var(--sp-5); }
.hero-cta { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: var(--sp-4); font-size: 0.88rem; }

.section { padding-block: var(--sp-8); }
.section-alt { background: var(--c-surface); border-block: 1px solid var(--c-border); }
.section-title { font-size: clamp(1.4rem, 3vw, 2rem); text-align: center; }
.section-lead { text-align: center; max-width: 50ch; margin: 0 auto var(--sp-6); }

.feature { text-align: left; }
.feature-icon { font-size: 1.6rem; margin-bottom: var(--sp-3); }
.feature h3 { font-size: 1.1rem; }
.grid-3.pricing-grid { margin-top: var(--sp-5); align-items: stretch; }

.plan-card { display: flex; flex-direction: column; position: relative; }
.plan-featured { border-color: var(--c-accent); box-shadow: var(--sh-md); }
.plan-current { border-color: var(--c-success); }
.plan-flag { position: absolute; top: var(--sp-4); right: var(--sp-4); }
.plan-name { font-size: 1.2rem; margin-bottom: var(--sp-2); }
.plan-price { margin-bottom: var(--sp-4); }
.price-amount { font-size: 2rem; font-weight: 750; letter-spacing: -0.03em; }
.price-interval { color: var(--c-text-muted); font-size: 0.95rem; }
.plan-features { list-style: none; padding: 0; margin: 0 0 var(--sp-5); }
.plan-features li { padding: var(--sp-2) 0; border-top: 1px solid var(--c-border); font-size: 0.93rem; }
.plan-features li:first-child { border-top: none; }
.plan-card .btn { margin-top: auto; }
.checkout-alt { margin-top: var(--sp-2); }

.cta-band { text-align: center; }
.cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: var(--sp-5);
  background: var(--c-accent); color: #fff; border-radius: var(--r-lg);
  padding: var(--sp-6); text-align: left; flex-wrap: wrap;
}
.cta-inner .section-title { color: #fff; text-align: left; margin-bottom: var(--sp-2); }
.cta-inner .muted { color: rgba(255,255,255,0.85); }
.cta-inner .btn-primary { background: #fff; color: var(--c-accent-700); }
.cta-inner .btn-primary:hover { background: #f0f4ff; }

/* ---- Billing / docs ------------------------------------------------------- */
.current-plan { margin-bottom: var(--sp-5); }
.plan-current-name { font-size: 1.4rem; font-weight: 700; margin-bottom: var(--sp-1); }
.billing-note, .key-note { margin-top: var(--sp-4); font-size: 0.85rem; }
.doc-callout { background: var(--c-accent-soft); border-color: #c2d2ff; margin-bottom: var(--sp-5); }
.doc-section { margin-bottom: var(--sp-6); }
.doc-section .card-title { margin-bottom: var(--sp-2); }

/* ---- Footer --------------------------------------------------------------- */
.site-footer {
  background: var(--c-surface); border-top: 1px solid var(--c-border);
  padding-block: var(--sp-5); margin-top: auto;
}
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; }
.footer-inner p { margin: 0; font-size: 0.88rem; }
.footer-links { display: flex; gap: var(--sp-4); }
.footer-links a { color: var(--c-text-soft); font-size: 0.88rem; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}