/* graphql-sdl-diff — own lightweight brand (NOT polyatic.css).
   GraphQL magenta accent on a clean slate neutral; light + dark via
   prefers-color-scheme, with a manual [data-theme] override. */

:root {
  --pink: #e535ab;
  --pink-ink: #b5127f;

  --bg: #f6f7fb;
  --panel: #ffffff;
  --panel-2: #f0f2f8;
  --ink: #12141c;
  --ink-soft: #4a4f60;
  --ink-faint: #767c90;
  --border: #dfe3ee;
  --border-strong: #c7cddd;
  --field: #ffffff;
  --shadow: 0 1px 2px rgba(18, 20, 28, .05), 0 6px 20px rgba(18, 20, 28, .06);

  --breaking: #d1293d;
  --breaking-bg: #fdecee;
  --dangerous: #b46a00;
  --dangerous-bg: #fdf3e2;
  --review: #5b4fd6;
  --review-bg: #eeecfb;
  --safe: #157a54;
  --safe-bg: #e5f6ee;

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

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d0f16;
    --panel: #161a24;
    --panel-2: #1d2230;
    --ink: #eef1f8;
    --ink-soft: #b8bfd0;
    --ink-faint: #8b93a7;
    --border: #2a3040;
    --border-strong: #3a4256;
    --field: #10131c;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 26px rgba(0, 0, 0, .45);

    --breaking: #ff6b7d;
    --breaking-bg: #35171c;
    --dangerous: #eaa640;
    --dangerous-bg: #33260f;
    --review: #a99cff;
    --review-bg: #211d3d;
    --safe: #4fd39a;
    --safe-bg: #12291f;
  }
}

/* manual dark override (toggle) */
:root[data-theme="dark"] {
  --bg: #0d0f16;
  --panel: #161a24;
  --panel-2: #1d2230;
  --ink: #eef1f8;
  --ink-soft: #b8bfd0;
  --ink-faint: #8b93a7;
  --border: #2a3040;
  --border-strong: #3a4256;
  --field: #10131c;
  --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 26px rgba(0, 0, 0, .45);
  --breaking: #ff6b7d;
  --breaking-bg: #35171c;
  --dangerous: #eaa640;
  --dangerous-bg: #33260f;
  --review: #a99cff;
  --review-bg: #211d3d;
  --safe: #4fd39a;
  --safe-bg: #12291f;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 20px 40px;
}

/* ---- header ---- */
header.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 11px; }
.logo {
  width: 34px; height: 34px; flex: 0 0 auto;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--pink), #7a2ff2);
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 17px;
  box-shadow: 0 2px 8px rgba(229, 53, 171, .35);
}
h1 { font-size: 1.28rem; margin: 0; letter-spacing: -.01em; }
h1 .accent { color: var(--pink); }
.tag { margin: 1px 0 0; color: var(--ink-soft); font-size: .82rem; }

.head-right { display: flex; align-items: center; gap: 10px; }
.theme-btn {
  border: 1px solid var(--border-strong);
  background: var(--panel);
  color: var(--ink-soft);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: .82rem;
  cursor: pointer;
  font-family: var(--sans);
}
.theme-btn:hover { color: var(--ink); border-color: var(--pink); }

.trust {
  display: inline-flex; align-items: center; gap: 7px;
  margin-top: 12px;
  padding: 7px 12px;
  background: var(--safe-bg);
  color: var(--safe);
  border: 1px solid color-mix(in srgb, var(--safe) 32%, transparent);
  border-radius: 999px;
  font-size: .8rem;
  font-weight: 600;
}
.trust svg { width: 15px; height: 15px; }

/* ---- editors ---- */
.editors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}
.pane {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.pane-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 13px;
  border-bottom: 1px solid var(--border);
}
.pane-head .label { font-weight: 700; font-size: .84rem; }
.pane-head .label small { display: block; color: var(--ink-faint); font-weight: 500; font-size: .72rem; }
.pane-head .dot { width: 8px; height: 8px; border-radius: 50%; }
.pane.old .dot { background: var(--dangerous); }
.pane.new .dot { background: var(--pink); }
.pane-head .side { display: flex; align-items: center; gap: 8px; }

textarea {
  border: 0;
  background: var(--field);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  padding: 12px 13px;
  resize: vertical;
  width: 100%;
  height: 260px;
  border-radius: 0 0 12px 12px;
  outline: none;
  tab-size: 2;
}
textarea::placeholder { color: var(--ink-faint); }
textarea:focus { box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--pink) 45%, transparent); }

/* ---- toolbar ---- */
.toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 14px;
}
.summary { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: baseline; gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--ink-faint);
}
.chip b { font-size: .88rem; font-variant-numeric: tabular-nums; }
.chip.on.breaking { background: var(--breaking-bg); color: var(--breaking); border-color: color-mix(in srgb, var(--breaking) 30%, transparent); }
.chip.on.dangerous { background: var(--dangerous-bg); color: var(--dangerous); border-color: color-mix(in srgb, var(--dangerous) 30%, transparent); }
.chip.on.review { background: var(--review-bg); color: var(--review); border-color: color-mix(in srgb, var(--review) 30%, transparent); }
.chip.on.safe { background: var(--safe-bg); color: var(--safe); border-color: color-mix(in srgb, var(--safe) 30%, transparent); }

.spacer { flex: 1 1 auto; }
.btn {
  border: 1px solid var(--border-strong);
  background: var(--panel);
  color: var(--ink);
  border-radius: 9px;
  padding: 9px 14px;
  font-size: .84rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--sans);
}
.btn:hover { border-color: var(--pink); }
.btn.primary {
  background: linear-gradient(135deg, var(--pink), #8c33e6);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 2px 10px rgba(229, 53, 171, .32);
}
.btn.primary:hover { filter: brightness(1.05); }
.btn.primary:disabled { opacity: .55; cursor: default; filter: none; }

/* ---- results ---- */
.result {
  margin-top: 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.result-head {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: .92rem;
  display: flex; align-items: center; gap: 8px;
}
.result-body { padding: 6px 16px 14px; }

.state {
  padding: 26px 16px;
  text-align: center;
  color: var(--ink-soft);
}
.state.error {
  color: var(--breaking);
  background: var(--breaking-bg);
  border-radius: 10px;
  margin: 12px 0;
  font-family: var(--mono);
  font-size: .84rem;
  text-align: left;
  padding: 14px 16px;
  white-space: pre-wrap;
  word-break: break-word;
}
.state.ok { color: var(--safe); font-weight: 600; }

.group { margin: 16px 0 4px; }
.group:first-child { margin-top: 8px; }
.group-head {
  display: flex; align-items: center; gap: 9px;
  font-size: .82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em;
  padding-bottom: 8px;
}
.group-head .sev-dot { width: 9px; height: 9px; border-radius: 50%; }
.group-head .count {
  font-variant-numeric: tabular-nums;
  padding: 1px 8px; border-radius: 999px; font-size: .78rem;
  border: 1px solid currentColor;
}
.group.breaking .group-head { color: var(--breaking); }
.group.breaking .sev-dot { background: var(--breaking); }
.group.dangerous .group-head { color: var(--dangerous); }
.group.dangerous .sev-dot { background: var(--dangerous); }
.group.review .group-head { color: var(--review); }
.group.review .sev-dot { background: var(--review); }
.group.safe .group-head { color: var(--safe); }
.group.safe .sev-dot { background: var(--safe); }

ul.changes { list-style: none; margin: 0; padding: 0; }
ul.changes li {
  display: flex; gap: 11px; align-items: flex-start;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-left-width: 3px;
  border-radius: 8px;
  margin-bottom: 7px;
  background: var(--panel-2);
  font-size: .87rem;
}
.group.breaking li { border-left-color: var(--breaking); }
.group.dangerous li { border-left-color: var(--dangerous); }
.group.review li { border-left-color: var(--review); }
.group.safe li { border-left-color: var(--safe); }
li .type-tag {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: .68rem;
  color: var(--ink-faint);
  background: var(--field);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 2px 6px;
  margin-top: 1px;
}
li .desc { color: var(--ink); }

footer {
  margin-top: 26px;
  color: var(--ink-faint);
  font-size: .78rem;
  text-align: center;
}
footer p { margin: 0 0 6px; }
footer code {
  background: var(--panel-2, rgba(127,127,127,.12));
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 5px;
}
footer a { color: var(--pink-ink); }
@media (prefers-color-scheme: dark) { footer a { color: var(--pink); } }
:root[data-theme="dark"] footer a { color: var(--pink); }

.toast {
  position: fixed;
  bottom: 22px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--bg);
  padding: 10px 18px; border-radius: 10px;
  font-size: .84rem; font-weight: 600;
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
  box-shadow: 0 8px 30px rgba(0,0,0,.3);
  z-index: 50;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- responsive ---- */
@media (max-width: 720px) {
  .wrap { padding: 14px 13px 32px; }
  .editors { grid-template-columns: 1fr; gap: 10px; }
  textarea { height: 168px; font-size: 12px; }
  h1 { font-size: 1.12rem; }
  .toolbar { gap: 8px; }
  .summary { order: 2; width: 100%; }
  .btn { flex: 1 1 auto; text-align: center; }
  .spacer { display: none; }
}