/* PR Review Cockpit — theme.
   Automatic light/dark via prefers-color-scheme. Every color is a variable so
   the two themes share one layout. Status (CI) coloring paints the WHOLE tile,
   not just the header. */

:root {
  color-scheme: light dark;

  /* dark (default) */
  --bg: #0d1117;
  --bg-2: #0a0e14;
  --panel: #161b22;
  --panel-2: #1c232c;
  --elev: #21262d;
  --elev-hi: #30363d;
  --border: #30363d;
  --border-soft: #262c34;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-soft: rgba(88, 166, 255, 0.35);

  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
  --neutral: #6e7681;

  /* soft status tints for backgrounds / glows */
  --green-tint: rgba(63, 185, 80, 0.3);
  --yellow-tint: rgba(210, 153, 34, 0.3);
  --red-tint: rgba(248, 81, 73, 0.32);
  --neutral-tint: rgba(110, 118, 129, 0.2);
  --green-glow: rgba(63, 185, 80, 0.55);
  --yellow-glow: rgba(210, 153, 34, 0.55);
  --red-glow: rgba(248, 81, 73, 0.55);
  --neutral-glow: rgba(110, 118, 129, 0.32);

  --shadow: 0 6px 20px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --sheen: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0)
  );
  --tile-body-bg: #ffffff;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fa;
    --bg-2: #eaeef2;
    --panel: #ffffff;
    --panel-2: #f6f8fa;
    --elev: #f3f4f6;
    --elev-hi: #e7ebef;
    --border: #d0d7de;
    --border-soft: #e2e6ea;
    --text: #1f2328;
    --muted: #636c76;
    --accent: #0969da;
    --accent-soft: rgba(9, 105, 218, 0.28);

    --green: #1a7f37;
    --yellow: #9a6700;
    --red: #cf222e;
    --neutral: #6e7781;

    --green-tint: rgba(26, 127, 55, 0.1);
    --yellow-tint: rgba(154, 103, 0, 0.1);
    --red-tint: rgba(207, 34, 46, 0.09);
    --neutral-tint: rgba(110, 119, 129, 0.08);
    --green-glow: rgba(26, 127, 55, 0.22);
    --yellow-glow: rgba(154, 103, 0, 0.22);
    --red-glow: rgba(207, 34, 46, 0.22);
    --neutral-glow: rgba(110, 119, 129, 0.16);

    --shadow: 0 6px 20px rgba(140, 149, 159, 0.25);
    --shadow-sm: 0 1px 4px rgba(140, 149, 159, 0.2);
    --sheen: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.7),
      rgba(255, 255, 255, 0)
    );
    --tile-body-bg: #ffffff;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: radial-gradient(
      1200px 600px at 100% -10%,
      var(--panel-2),
      transparent 60%
    ),
    var(--bg);
  color: var(--text);
  font: 13px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial,
    sans-serif;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
}

/* --- top bar --- */
#topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 14px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  flex: 0 0 auto;
  z-index: 10;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.3px;
  background: linear-gradient(92deg, var(--accent), var(--text));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.ctl {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
}

.meta {
  margin-left: auto;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

button,
select,
input[type="text"] {
  background: linear-gradient(180deg, var(--elev), var(--panel-2));
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 5px 10px;
  font: inherit;
  cursor: pointer;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  transition:
    transform 0.06s ease,
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

input[type="text"] {
  cursor: text;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.15);
}

button:hover {
  background: linear-gradient(180deg, var(--elev-hi), var(--elev));
  border-color: var(--accent-soft);
}

button:active {
  transform: translateY(1px);
}

button:focus-visible,
select:focus-visible,
input:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* accent the two auth buttons a touch */
#signinBtn {
  border-color: var(--accent-soft);
}
#syncBtn {
  color: var(--accent);
}

.hidden {
  display: none !important;
}

/* --- focus toolbar --- */
.focus-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: linear-gradient(180deg, var(--panel-2), var(--bg-2));
  border-bottom: 1px solid var(--accent-soft);
  flex: 0 0 auto;
}

.focus-label {
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

#jsInput {
  flex: 1 1 auto;
  min-width: 120px;
}

/* --- real GitHub review actions (in the focus toolbar) --- */
.review-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: 8px;
  margin-left: 4px;
  border-left: 1px solid var(--border);
}

#reviewBody {
  width: 200px;
  min-width: 120px;
}

.act-approve {
  color: var(--green);
  border-color: var(--green);
  font-weight: 700;
}
.act-approve:hover {
  border-color: var(--green);
  box-shadow: 0 0 0 2px var(--green-glow);
}

.act-reject {
  color: var(--red);
  border-color: var(--red);
  font-weight: 700;
}
.act-reject:hover {
  border-color: var(--red);
  box-shadow: 0 0 0 2px var(--red-glow);
}

.act-comment {
  color: var(--accent);
  border-color: var(--accent-soft);
}

.review-actions button:disabled,
#reviewBody:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: var(--shadow-sm);
}

.js-result {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
  max-width: 40%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- stage --- */
#stage {
  flex: 1 1 auto;
  overflow: auto;
  padding: 10px;
}

/* Horizontal band of full-height columns — one PR per column, scroll sideways.
   `Cols` controls how many columns are visible at once; the rest scroll in. */
#stage.grid {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: 1fr;
  grid-auto-columns: calc((100% - (var(--cols, 3) - 1) * 10px) / var(--cols, 3));
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
}

#stage.focus {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 10px;
}

.rail {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-height: 0;
}

.main-pane {
  min-height: 0;
  display: flex;
  flex-direction: column;
}

/* --- tile --- */
.tile {
  --st: var(--neutral);
  --st-tint: var(--neutral-tint);
  --st-glow: var(--neutral-glow);
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--border);
  border-top: 4px solid var(--st);
  border-radius: 10px;
  overflow: hidden;
  min-height: 260px;
  box-shadow: var(--shadow-sm);
  transition:
    box-shadow 0.18s ease,
    transform 0.1s ease,
    border-color 0.18s ease;
}

#stage.grid .tile {
  height: 100%;
  min-height: 0;
}

#stage.grid .tile:hover {
  transform: translateY(-1px);
  box-shadow:
    var(--shadow),
    0 0 0 1px var(--st-glow);
}

/* whole-tile status coloring — set the per-tile vars, everything else reads them */
.tile.st-ok {
  --st: var(--green);
  --st-tint: var(--green-tint);
  --st-glow: var(--green-glow);
}
.tile.st-run {
  --st: var(--yellow);
  --st-tint: var(--yellow-tint);
  --st-glow: var(--yellow-glow);
}
.tile.st-fail {
  --st: var(--red);
  --st-tint: var(--red-tint);
  --st-glow: var(--red-glow);
}
.tile.st-none {
  --st: var(--neutral);
  --st-tint: var(--neutral-tint);
  --st-glow: var(--neutral-glow);
}

.tile-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 9px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-soft);
  user-select: none;
  background:
    var(--sheen),
    linear-gradient(90deg, var(--st-tint), var(--st-tint) 45%, transparent 100%);
  position: relative;
}

.tile-header::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--st);
  box-shadow: 0 0 8px var(--st-glow);
  flex: 0 0 auto;
}

.tile-header .num {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.tile-header .title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1 1 auto;
}

.tile-header .badges {
  display: flex;
  gap: 4px;
  flex: 0 0 auto;
}

.badge {
  font-size: 10px;
  padding: 1px 7px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--elev), var(--panel-2));
  color: var(--muted);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.badge.draft {
  color: var(--yellow);
  border-color: var(--yellow);
}

/* author badge + MINE marker */
.badge.author {
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.badge.author.mine {
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
}

/* --- settledness pill ---
   The headline "where is this PR?" marker. Order of colors mirrors the
   settledness() rule cascade in renderer.js. */
.pill {
  font-size: 10px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 999px;
  border: 1px solid var(--border);
  white-space: nowrap;
  letter-spacing: 0.2px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.pill.settle-ready-merge {
  background: var(--green);
  color: #08130b;
  border-color: var(--green);
  box-shadow: 0 0 10px var(--green-glow);
}
.pill.settle-ready-review {
  background: var(--accent);
  color: #071322;
  border-color: var(--accent);
  box-shadow: 0 0 10px var(--accent-soft);
}
.pill.settle-ci-failing,
.pill.settle-conflicting {
  background: var(--red);
  color: #fff;
  border-color: var(--red);
  box-shadow: 0 0 10px var(--red-glow);
}
.pill.settle-changes-req {
  background: var(--yellow);
  color: #1a1200;
  border-color: var(--yellow);
  box-shadow: 0 0 10px var(--yellow-glow);
}
.pill.settle-draft {
  background: var(--elev);
  color: var(--muted);
}
.pill.settle-stale {
  background: transparent;
  color: var(--neutral);
  border-color: var(--neutral);
}
.pill.settle-open {
  background: var(--elev);
  color: var(--text);
}

/* the webview host */
.tile-body {
  flex: 1 1 auto;
  position: relative;
  /* status-tinted backdrop shows during load / behind the page */
  background:
    linear-gradient(var(--st-tint), var(--st-tint)), var(--tile-body-bg);
  min-height: 0;
}

.tile-body webview {
  width: 100%;
  height: 100%;
  border: 0;
  display: flex;
}

/* placeholder shown before a tile's webview is loaded */
.placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  background:
    radial-gradient(120px 120px at 50% 40%, var(--st-tint), transparent 70%),
    linear-gradient(180deg, var(--panel), var(--panel-2));
  color: var(--muted);
  cursor: pointer;
  text-align: center;
  padding: 12px;
}

.placeholder .big {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
}

/* focus mode: mini-strip variant */
.tile.mini {
  height: auto;
  min-height: 0;
  flex: 0 0 auto;
}

.tile.mini .tile-body {
  display: none;
}

.tile.mini .tile-header {
  border-bottom: none;
}

.tile.focused {
  border-color: var(--accent);
  box-shadow:
    0 0 0 2px var(--accent-soft),
    var(--shadow);
}

.main-pane .tile {
  height: 100%;
  min-height: 0;
}

/* --- GitHub sign-in overlay (Path B: sign in once, shared partition) --- */
#loginOverlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.login-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.login-bar .login-title {
  font-weight: 700;
}

.login-bar .login-hint {
  color: var(--muted);
  font-size: 12px;
}

.login-bar .spacer {
  margin-left: auto;
}

.login-webview {
  flex: 1 1 auto;
  border: 0;
  background: #fff;
}

/* --- status message --- */
.status-msg {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--elev), var(--panel-2));
  border: 1px solid var(--border);
  color: var(--text);
  padding: 9px 15px;
  border-radius: 10px;
  max-width: 80vw;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  z-index: 120;
}

.status-msg.error {
  border-color: var(--red);
  color: var(--red);
}

.status-msg:empty {
  display: none;
}