/* Benefits playground — dependency-free, theme-aware. */

:root {
  --bg: #fbfbfd;
  --surface: #ffffff;
  --surface-2: #f4f5f8;
  --border: #e3e5eb;
  --border-strong: #cfd3dc;
  --text: #14161c;
  --text-dim: #5c6270;
  --text-faint: #8b909d;
  --accent: #3a5bd9;
  --accent-soft: #eaeeff;
  --ok: #127a4a;
  --ok-soft: #e2f5ea;
  --no: #b1341f;
  --no-soft: #fdeae6;
  --warn: #8a6100;
  --warn-soft: #fcf1da;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
    Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1014;
    --surface: #16191f;
    --surface-2: #1d2129;
    --border: #272c35;
    --border-strong: #363c47;
    --text: #e9ebf0;
    --text-dim: #a2a8b6;
    --text-faint: #6f7686;
    --accent: #7d97ff;
    --accent-soft: #1c2440;
    --ok: #4bd08b;
    --ok-soft: #10291d;
    --no: #ff8a70;
    --no-soft: #2e1611;
    --warn: #e5b45c;
    --warn-soft: #2b2211;
  }
}

* { box-sizing: border-box; }

/* `display` declarations below would otherwise beat the UA rule for the
   hidden attribute, leaving [hidden] elements visible. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ------------------------------------------------------------ header */

.masthead {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.masthead-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

h1 {
  margin: 0;
  font-size: 20px;
  letter-spacing: -0.015em;
}

.tagline {
  margin: 4px 0 0;
  color: var(--text-dim);
  font-size: 14px;
  max-width: 52ch;
}

.masthead-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sandbox-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--surface-2);
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--text-dim);
  white-space: nowrap;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--ok);
  flex: none;
}

/* -------------------------------------------------------------- main */

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 24px 64px;
}

.intro > p {
  margin: 0 0 14px;
  color: var(--text-dim);
  max-width: 74ch;
}

.scenarios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 8px;
  margin-bottom: 26px;
}

.scenario {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 10px 12px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font: inherit;
  color: var(--text);
  transition: border-color .12s, transform .12s, background .12s;
}

.scenario:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-1px);
}

.scenario:disabled { opacity: .5; cursor: progress; }
.scenario strong { font-size: 13.5px; font-weight: 600; }
.scenario span { font-size: 12px; color: var(--text-dim); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 16px;
  align-items: start;
}

.col { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  min-width: 0;
}

.card h2 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 8px;
}

.count {
  font-family: var(--mono);
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 99px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  letter-spacing: 0;
}

.hint {
  margin: 8px 0 0;
  font-size: 12.5px;
  color: var(--text-faint);
  line-height: 1.5;
}

/* ------------------------------------------------------------ fields */

.field { display: block; margin-bottom: 12px; }
.field > span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 5px;
  color: var(--text-dim);
}
.field em {
  font-style: normal;
  font-weight: 400;
  color: var(--text-faint);
}

input, select {
  width: 100%;
  padding: 8px 10px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
}

input { font-family: var(--mono); font-size: 13px; }

input:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}

.row { display: flex; gap: 10px; }
.row .field { flex: 1; min-width: 0; }

/* ----------------------------------------------------------- buttons */

.btn {
  font: inherit;
  font-size: 14px;
  font-weight: 550;
  padding: 9px 15px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  transition: filter .12s, border-color .12s;
}

.btn:hover:not(:disabled) { filter: brightness(.96); }
.btn:disabled { opacity: .55; cursor: not-allowed; }

.btn-primary {
  width: 100%;
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  margin-top: 4px;
}

@media (prefers-color-scheme: dark) {
  .btn-primary { color: #0e1014; }
}

.btn-ghost { padding: 6px 12px; font-size: 13px; }

.btn-tiny {
  margin-left: auto;
  padding: 2px 9px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

/* ------------------------------------------------------------ grants */

.grants { display: flex; flex-direction: column; gap: 8px; }

.grant {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 9px;
}

.grant-body { flex: 1; min-width: 0; }

.grant-name {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.grant-meta {
  font-size: 11.5px;
  color: var(--text-faint);
  margin-top: 2px;
}

.grant-revoke {
  flex: none;
  font: inherit;
  font-size: 11.5px;
  padding: 4px 9px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
}

.grant-revoke:hover { border-color: var(--no); color: var(--no); }

.scheduled {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--warn);
  background: var(--warn-soft);
  border-radius: 4px;
  padding: 0 5px;
  margin-left: 5px;
}

/* ----------------------------------------------------------- verdict */

.verdict {
  border-radius: 10px;
  padding: 16px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  margin-top: 4px;
}

.verdict-main {
  font-size: 21px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.verdict-note {
  margin: 3px 0 0;
  font-size: 12.5px;
  color: var(--text-dim);
}

.verdict-allowed {
  background: var(--ok-soft);
  border-color: color-mix(in srgb, var(--ok) 30%, transparent);
}
.verdict-allowed .verdict-main { color: var(--ok); }

.verdict-denied {
  background: var(--no-soft);
  border-color: color-mix(in srgb, var(--no) 30%, transparent);
}
.verdict-denied .verdict-main { color: var(--no); }

.verdict-empty .verdict-main { color: var(--text-faint); }

.pills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }

.pill {
  font-family: var(--mono);
  font-size: 11.5px;
  padding: 3px 9px;
  border-radius: 99px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.pill-ok { background: var(--ok-soft); border-color: transparent; color: var(--ok); }
.pill-no { background: var(--no-soft); border-color: transparent; color: var(--no); }
.pill-warn { background: var(--warn-soft); border-color: transparent; color: var(--warn); }

/* ----------------------------------------------------------- explain */

.explain { display: flex; flex-direction: column; gap: 5px; margin-top: 10px; }

.explain-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: 7px;
  background: var(--surface-2);
  font-size: 12.5px;
  border-left: 3px solid var(--border-strong);
}

.explain-row.matched { border-left-color: var(--ok); }
.explain-row.unmatched { border-left-color: var(--border-strong); opacity: .72; }

.explain-name {
  font-family: var(--mono);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.explain-why {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-faint);
  flex: none;
}

.empty {
  padding: 14px 0;
  color: var(--text-faint);
  font-size: 13px;
  text-align: center;
}

/* -------------------------------------------------------------- json */

pre {
  margin: 10px 0 0;
  padding: 13px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 9px;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.55;
  overflow-x: auto;
  max-height: 400px;
}

/* --------------------------------------------------------------- log */

.log-card { margin-top: 16px; }

.log {
  display: flex;
  flex-direction: column-reverse;
  gap: 3px;
  max-height: 210px;
  overflow-y: auto;
  font-family: var(--mono);
  font-size: 11.5px;
}

.log-line {
  display: flex;
  gap: 10px;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}

.log-time { color: var(--text-faint); flex: none; }
.log-msg { min-width: 0; word-break: break-word; }
.log-err .log-msg { color: var(--no); }

footer {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-faint);
}

footer code {
  font-family: var(--mono);
  font-size: 11.5px;
  background: var(--surface-2);
  padding: 1px 5px;
  border-radius: 4px;
}

@media (max-width: 620px) {
  main { padding: 18px 14px 48px; }
  .masthead-inner { padding: 14px; }
  .row { flex-direction: column; gap: 0; }
}