/* PLEx site — shared design tokens and primitives. */

:root {
  color-scheme: dark;
  --bg: #06070d;
  --bg-2: #0a0c17;
  --surface: #0e1120;
  --surface-2: #131729;
  --surface-3: #1a1f36;
  --border: #20263f;
  --border-strong: #2d3556;
  --text: #e8ebf7;
  --text-2: #a6aeca;
  --muted: #6e7697;
  --accent: #5b8cff;
  --accent-2: #8b5cf6;
  --cyan: #22d3ee;
  --magenta: #d946ef;
  --grad: linear-gradient(120deg, #22d3ee 0%, #3b82f6 38%, #8b5cf6 70%, #d946ef 100%);
  --grad-soft: linear-gradient(120deg, rgba(34, 211, 238, 0.16), rgba(139, 92, 246, 0.16));
  --ring: 0 0 0 3px rgba(91, 140, 255, 0.35);

  /* Status — paired with a label everywhere, never color alone. */
  --sev-high: #ef4f4f;
  --sev-medium: #ec835a;
  --sev-low: #fab219;
  --sev-info: #7b86ad;
  --good: #18b26b;
  --bad: #ef4f4f;

  --add-bg: rgba(24, 178, 107, 0.13);
  --add-fg: #5be3a2;
  --del-bg: rgba(239, 79, 79, 0.13);
  --del-fg: #ff8a8a;

  /* Syntax */
  --tk-kw: #c792ea;
  --tk-str: #a5e07a;
  --tk-num: #f9a66c;
  --tk-com: #5f6a8e;
  --tk-fn: #82aaff;
  --tk-bi: #4fd6e8;
  --tk-dec: #f78c6c;
  --tk-op: #89ddff;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f6f7fb;
  --bg-2: #eef0f7;
  --surface: #ffffff;
  --surface-2: #f6f7fc;
  --surface-3: #eceff8;
  --border: #e1e5f0;
  --border-strong: #cdd3e3;
  --text: #11152a;
  --text-2: #4a5272;
  --muted: #7b84a3;
  --accent: #3b6cf6;
  --grad-soft: linear-gradient(120deg, rgba(34, 211, 238, 0.12), rgba(139, 92, 246, 0.12));
  --sev-high: #d03b3b;
  --sev-medium: #d9683d;
  --sev-low: #c98a00;
  --sev-info: #6b7594;
  --good: #0c8f4f;
  --bad: #d03b3b;
  --add-bg: rgba(12, 143, 79, 0.1);
  --add-fg: #0a7a43;
  --del-bg: rgba(208, 59, 59, 0.09);
  --del-fg: #b42828;
  --tk-kw: #8e3fd1;
  --tk-str: #2f7d14;
  --tk-num: #b5530c;
  --tk-com: #8b93ae;
  --tk-fn: #2457d6;
  --tk-bi: #0b7f93;
  --tk-dec: #c2410c;
  --tk-op: #3768b8;
  --shadow: 0 1px 2px rgba(17, 21, 42, 0.04), 0 18px 40px -24px rgba(17, 21, 42, 0.25);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #f6f7fb;
    --bg-2: #eef0f7;
    --surface: #ffffff;
    --surface-2: #f6f7fc;
    --surface-3: #eceff8;
    --border: #e1e5f0;
    --border-strong: #cdd3e3;
    --text: #11152a;
    --text-2: #4a5272;
    --muted: #7b84a3;
    --accent: #3b6cf6;
    --grad-soft: linear-gradient(120deg, rgba(34, 211, 238, 0.12), rgba(139, 92, 246, 0.12));
    --sev-high: #d03b3b;
    --sev-medium: #d9683d;
    --sev-low: #c98a00;
    --sev-info: #6b7594;
    --good: #0c8f4f;
    --bad: #d03b3b;
    --add-bg: rgba(12, 143, 79, 0.1);
    --add-fg: #0a7a43;
    --del-bg: rgba(208, 59, 59, 0.09);
    --del-fg: #b42828;
    --tk-kw: #8e3fd1;
    --tk-str: #2f7d14;
    --tk-num: #b5530c;
    --tk-com: #8b93ae;
    --tk-fn: #2457d6;
    --tk-bi: #0b7f93;
    --tk-dec: #c2410c;
    --tk-op: #3768b8;
    --shadow: 0 1px 2px rgba(17, 21, 42, 0.04), 0 18px 40px -24px rgba(17, 21, 42, 0.25);
  }
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--font);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

code,
kbd,
pre {
  font-family: var(--mono);
  font-size: 0.9em;
}

:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  border-radius: 6px;
}

::selection {
  background: rgba(91, 140, 255, 0.35);
}

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

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  background: var(--surface-2);
  font-weight: 550;
  font-size: 14px;
  white-space: nowrap;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover {
  border-color: var(--muted);
  background: var(--surface-3);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  border: 0;
  color: #fff;
  background: var(--grad);
  background-size: 160% 100%;
  box-shadow: 0 10px 30px -12px rgba(91, 92, 246, 0.8);
}

.btn-primary:hover {
  background: var(--grad);
  background-size: 160% 100%;
  background-position: 100% 0;
}

.btn-sm {
  height: 32px;
  padding: 0 11px;
  font-size: 13px;
  border-radius: 8px;
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--border);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.icon {
  width: 16px;
  height: 16px;
  flex: none;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

kbd {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 5px;
  border: 1px solid var(--border-strong);
  border-bottom-width: 2px;
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 11px;
  line-height: 1;
}

/* Chips & severity badges */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-2);
  font-size: 12px;
  font-weight: 550;
  white-space: nowrap;
}

.sev {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 650;
  text-transform: capitalize;
  white-space: nowrap;
}

.sev::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--c, var(--sev-info));
  transform: rotate(45deg);
}

.sev-high {
  --c: var(--sev-high);
}
.sev-medium {
  --c: var(--sev-medium);
}
.sev-low {
  --c: var(--sev-low);
}
.sev-info {
  --c: var(--sev-info);
}

/* Code */
.code {
  margin: 0;
  font: 13px/1.7 var(--mono);
  tab-size: 4;
  color: var(--text);
}

.tk-kw {
  color: var(--tk-kw);
}
.tk-str {
  color: var(--tk-str);
}
.tk-num {
  color: var(--tk-num);
}
.tk-com {
  color: var(--tk-com);
  font-style: italic;
}
.tk-fn {
  color: var(--tk-fn);
}
.tk-bi {
  color: var(--tk-bi);
}
.tk-dec {
  color: var(--tk-dec);
}
.tk-op {
  color: var(--tk-op);
}
.tk-self {
  color: var(--tk-num);
  font-style: italic;
}

/* Diff */
.diff {
  font: 12.5px/1.7 var(--mono);
  overflow: auto;
}

.diff-line {
  display: grid;
  grid-template-columns: 44px 44px 18px 1fr;
  white-space: pre;
  min-width: max-content;
}

.diff.no-ln .diff-line {
  grid-template-columns: 14px 22px 1fr;
}

.diff.no-ln .diff-line .ln {
  visibility: hidden;
}

.diff.no-ln .diff-line .ln + .ln {
  display: none;
}

.diff-line .ln {
  color: var(--muted);
  text-align: right;
  padding-right: 10px;
  user-select: none;
  opacity: 0.7;
}

.diff-line .mk {
  color: var(--muted);
  user-select: none;
}

.diff-line.add {
  background: var(--add-bg);
}
.diff-line.add .mk {
  color: var(--add-fg);
}
.diff-line.del {
  background: var(--del-bg);
}
.diff-line.del .mk {
  color: var(--del-fg);
}
.diff-line.hunk {
  color: var(--muted);
  background: var(--surface-2);
  grid-template-columns: 1fr;
  padding: 2px 12px;
}

/* Rendered Markdown (PR comment, reports) */
.md {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
}

.md h1,
.md h2,
.md h3,
.md h4 {
  margin: 1.1em 0 0.5em;
  line-height: 1.3;
  font-weight: 650;
}

.md h1 {
  font-size: 20px;
}
.md h2 {
  font-size: 17px;
}
.md h3 {
  font-size: 15.5px;
}
.md > :first-child {
  margin-top: 0;
}

.md p,
.md ul {
  margin: 0.55em 0;
}

.md ul {
  padding-left: 1.3em;
}

.md code {
  padding: 1px 6px;
  border-radius: 5px;
  background: var(--surface-3);
  font-size: 12.5px;
}

.md blockquote {
  margin: 0.8em 0;
  padding: 2px 14px;
  border-left: 3px solid var(--border-strong);
  color: var(--text-2);
}

.md .table-wrap {
  overflow-x: auto;
  margin: 0.8em 0;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.md table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.md th,
.md td {
  padding: 7px 11px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.md th {
  background: var(--surface-2);
  color: var(--text-2);
  font-weight: 600;
  white-space: nowrap;
}

.md tr:last-child td {
  border-bottom: 0;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 200;
  transform: translate(-50%, 20px);
  opacity: 0;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-size: 13px;
  font-weight: 600;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}