:root {
  --fg: #1c1f24;
  --muted: #6b7280;
  --line: #d9dde3;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --accent: #1d4ed8;
  --ok: #157f3d;
  --warn: #8a6100;
  --warn-bg: #fff6d8;
  --err: #a11a1a;
  --err-bg: #fdeaea;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

/* An author-level `display` beats the user agent's own `[hidden]` rule, and
   the page hides flex containers (#user-box, #dev-form) through the
   attribute — so `hidden` has to win here. */
[hidden] {
  display: none !important;
}

body {
  margin: 0;
  padding: 0 0 3rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg);
}

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  padding: 0.9rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 650;
}

h2 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 650;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

main {
  max-width: 62rem;
  margin: 0 auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1rem 1.15rem;
}

.badge {
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--line);
}

.state-none {
  color: var(--muted);
}
.state-running {
  color: var(--accent);
  border-color: var(--accent);
  background: #eef2ff;
}
.state-done {
  color: var(--ok);
  border-color: var(--ok);
  background: #edf8f1;
}
.state-partial {
  color: var(--warn);
  border-color: var(--warn);
  background: var(--warn-bg);
}
.state-failed {
  color: var(--err);
  border-color: var(--err);
  background: var(--err-bg);
}

/* --- logged-in user in the header --- */

#user-box {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

#user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid var(--line);
  object-fit: cover;
}

#user-name {
  font-weight: 600;
}

#user-email {
  color: var(--muted);
}

#logout-btn {
  padding: 0.25rem 0.7rem;
  font-size: 0.85rem;
  background: #fff;
  color: var(--accent);
}

/* --- login page --- */

.login-body {
  padding: 0;
}

.login-main {
  max-width: 24rem;
  min-height: 100vh;
  justify-content: center;
}

.login-card {
  padding: 1.5rem 1.6rem;
  text-align: center;
}

.login-card h1 {
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.login-actions {
  margin: 1.1rem 0 0.4rem;
}

.login-button {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: 5px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}

.login-card .error-box {
  margin: 0 0 0.6rem;
  text-align: left;
}

.login-dev {
  margin: 1.4rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
}

.login-dev label {
  font-size: 0.85rem;
  color: var(--muted);
}

.login-dev input[type="email"] {
  width: 100%;
  padding: 0.35rem 0.5rem;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
}

#costbar {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}

/* --- start panel --- */

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.form-fields {
  display: grid;
  grid-template-columns: minmax(9rem, auto) minmax(0, 1fr);
  gap: 0.5rem 0.9rem;
  align-items: center;
}

.advanced-settings {
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.advanced-settings summary {
  cursor: pointer;
  color: var(--accent);
  font-size: 0.9rem;
}

.advanced-settings[open] summary {
  margin-bottom: 0.75rem;
}

.advanced-group + .advanced-group {
  margin-top: 1rem;
}

.advanced-group legend {
  padding: 0;
  margin-bottom: 0.5rem;
  font-size: 0.85rem;
  font-weight: 650;
}

.document-version {
  font-family: var(--mono);
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

#run-config-panel summary {
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 650;
}

#run-config {
  margin: 0;
  max-height: 24rem;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
}

@media (max-width: 40rem) {
  .form-fields {
    grid-template-columns: minmax(0, 1fr);
  }
}

fieldset label {
  font-size: 0.85rem;
  color: var(--muted);
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  padding: 0.35rem 0.5rem;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fff;
}

.row {
  margin-top: 0.9rem;
  display: flex;
  gap: 0.6rem;
}

button {
  font: inherit;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 5px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:disabled {
  opacity: 0.5;
  cursor: default;
}

#cancel-btn {
  background: #fff;
  color: var(--err);
  border-color: var(--err);
}

.note-box {
  margin-top: 0.8rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #f8fafc;
  color: var(--muted);
  font-size: 0.9rem;
}

.error-box {
  margin-top: 0.8rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--err);
  border-radius: 5px;
  background: var(--err-bg);
  color: var(--err);
  white-space: pre-wrap;
}

/* --- stage strip --- */

#stages {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.chip {
  padding: 0.2rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--muted);
  background: #fbfbfc;
  white-space: nowrap;
}

.chip.active {
  color: var(--accent);
  border-color: var(--accent);
  background: #eef2ff;
  font-weight: 650;
}
.chip.done {
  color: var(--ok);
  border-color: var(--ok);
  background: #edf8f1;
}
.chip.done::after {
  content: " ✓";
}
.chip.skipped {
  text-decoration: line-through;
  opacity: 0.6;
}
.chip.failed {
  color: var(--err);
  border-color: var(--err);
  background: var(--err-bg);
}

/* --- log --- */

#autoscroll-label,
#stage-filter-label {
  font-weight: 400;
  font-size: 0.8rem;
  color: var(--muted);
}

#stage-filter-label {
  margin-left: 0.6rem;
}

#stageFilter {
  font-size: 0.8rem;
  max-width: 16rem;
}

#log {
  height: 26rem;
  overflow-y: auto;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fcfcfd;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.55;
}

.ev {
  padding: 0.05rem 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.ev .ts {
  color: #9aa1ab;
  margin-right: 0.5rem;
}

/* The `[A]` prefix of a log row. The dummy stages run at the same time, so
   their lines are interleaved: the colour is what makes one stage's thread
   followable without filtering the log down to it. */
.stage-tag {
  margin-right: 0.4rem;
  font-weight: 700;
  color: var(--accent);
}
/* One colour per dummy letter, A-G. */
.tag-c0 { color: #157f3d; }
.tag-c1 { color: #a11a1a; }
.tag-c2 { color: #7c3aed; }
.tag-c3 { color: #b45309; }
.tag-c4 { color: #0e7490; }
.tag-c5 { color: #be185d; }
.tag-c6 { color: #4d7c0f; }

.ev-stage_started {
  font-weight: 700;
  margin-top: 0.5rem;
  border-top: 1px solid var(--line);
  padding-top: 0.35rem;
}
.ev-stage_finished,
.ev-stage_skipped,
.ev-compaction {
  color: var(--muted);
}
.ev-warning {
  color: var(--warn);
  background: var(--warn-bg);
}
.ev-run_failed,
.ev-error {
  color: var(--err);
  background: var(--err-bg);
}
.ev-run_started,
.ev-run_finished {
  font-weight: 700;
  color: var(--accent);
}
.ev-tool_result-bad {
  color: var(--err);
}

.ev details summary {
  cursor: pointer;
  color: var(--muted);
}

.ev details .text {
  margin: 0.2rem 0 0.4rem 1.2rem;
  padding-left: 0.6rem;
  border-left: 2px solid var(--line);
  color: #35393f;
}

/* --- result --- */

#result-preview {
  max-height: 24rem;
  overflow: auto;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: #fcfcfd;
  font-family: var(--mono);
  font-size: 0.78rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.25rem 0;
}

a {
  color: var(--accent);
}

/* --- past runs --- */

#runs {
  margin: 0;
  padding: 0;
  list-style: none;
}

#runs li {
  padding: 0.35rem 0.4rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.8rem;
  cursor: pointer;
}

#runs li:hover {
  background: #eef2ff;
}

#runs li.empty {
  cursor: default;
  color: var(--muted);
  font-family: inherit;
}
.browser-controls { display: flex; align-items: center; gap: 0.8rem; }
.browser-controls input {
  appearance: none; width: 2.3rem; height: 1.25rem; padding: 0;
  border-radius: 1rem; background: #cbd0d8; cursor: pointer; position: relative;
}
.browser-controls input::after {
  content: ""; position: absolute; top: 0.12rem; left: 0.14rem;
  width: 0.9rem; height: 0.9rem; background: white; border-radius: 50%;
}
.browser-controls input:checked { background: var(--accent); }
.browser-controls input:checked::after { left: 1.2rem; }
.browser-controls input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.browser-controls input:disabled { opacity: 0.5; cursor: default; }