/* Open Pathways Web — styles.
   System fonts, vanilla CSS, dark/light auto. One file. */

:root {
  --bg: #f7f7f8;
  --fg: #1a1a1a;
  --muted: #666;
  --card-bg: #ffffff;
  --card-bg-alt: #fafafa;
  --border: #e5e5e5;
  --border-strong: #cfcfcf;
  --accent: #2b6cb0;
  --accent-soft: #e8f1fb;
  --success: #2f855a;
  --warn: #b7791f;
  --danger: #c53030;
  --critical: #b91c1c;
  --serious: #c2410c;
  --moderate: #b45309;
  --minor: #4a5568;
  --code-bg: #f1f3f5;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #e6e6e6;
    --muted: #9aa0a6;
    --card-bg: #161a20;
    --card-bg-alt: #1b1f26;
    --border: #2a2f37;
    --border-strong: #3a4049;
    --accent: #79b8ff;
    --accent-soft: #16273a;
    --success: #68d391;
    --warn: #ecc94b;
    --danger: #fc8181;
    --critical: #fc8181;
    --serious: #f6ad55;
    --moderate: #ecc94b;
    --minor: #a0aec0;
    --code-bg: #1d222a;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
               Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--accent); }
.muted { color: var(--muted); }
.hidden { display: none !important; }

code, pre, .mono {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
               "Liberation Mono", monospace;
}

/* -------- top bar -------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--card-bg);
}
.brand { display: flex; align-items: baseline; gap: 0.6rem; }
.brand-link {
  font-weight: 600;
  text-decoration: none;
  color: var(--fg);
  font-size: 1.05rem;
}
.brand-tag { color: var(--muted); font-size: 0.85rem; }
.topbar-meta { color: var(--muted); font-size: 0.85rem; }

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

main {
  max-width: 56rem;
  margin: 2rem auto;
  padding: 0 1.5rem;
}
.view { display: block; }

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--fg);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}
.btn:hover { background: var(--card-bg-alt); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover { filter: brightness(1.05); background: var(--accent); }
.btn-secondary { /* default look already */ }
.btn-link {
  background: transparent;
  border: none;
  color: var(--accent);
  padding: 0.55rem 0.4rem;
}
.btn-link:hover { text-decoration: underline; background: transparent; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* -------- idle / drop zone -------- */

.dropzone {
  border: 2px dashed var(--border-strong);
  border-radius: 14px;
  padding: 3.5rem 2rem;
  background: var(--card-bg);
  text-align: center;
  transition: border-color 120ms ease, background 120ms ease;
}
.dropzone-inner h1 { margin: 0 0 0.5rem; font-size: 1.4rem; font-weight: 600; }
.dropzone-inner code { background: var(--code-bg); padding: 0.05rem 0.35rem; border-radius: 4px; font-size: 0.95em; }
.dropzone-actions {
  display: flex;
  gap: 0.6rem;
  justify-content: center;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.dropzone-hint { margin-top: 1.5rem; font-size: 0.85rem; }

/* The file input is visually hidden but stays inside the <label>, so the
   label IS the button. Keyboard-accessible via the label's implicit
   associated input. */
input[type="file"][hidden] { display: none; }

/* full-page overlay while a file is being dragged into the window */
.drag-overlay {
  position: fixed;
  inset: 0;
  background: rgba(43, 108, 176, 0.18);
  backdrop-filter: blur(2px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  pointer-events: none;
}
.drag-overlay.active { display: flex; }
.drag-overlay-inner {
  background: var(--card-bg);
  border: 2px dashed var(--accent);
  color: var(--accent);
  padding: 2rem 2.5rem;
  border-radius: 14px;
  font-size: 1.1rem;
  text-align: center;
  box-shadow: var(--shadow);
}
.drag-overlay-icon { font-size: 2rem; margin-bottom: 0.5rem; }

/* -------- options panel + recent audits (idle view) -------- */

.options-panel {
  margin-top: 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 1rem;
}
.options-panel summary {
  cursor: pointer;
  font-weight: 500;
  padding: 0.25rem 0;
  list-style: none;
}
.options-panel summary::-webkit-details-marker { display: none; }
.options-panel summary::before {
  content: "▶";
  display: inline-block;
  width: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
  transition: transform 150ms ease;
}
.options-panel[open] summary::before { transform: rotate(90deg); }
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 0.75rem 1rem;
  margin-top: 0.75rem;
}
.options-grid label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.options-grid select {
  font: inherit;
  padding: 0.4rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--fg);
}
.options-hint { margin: 0.75rem 0 0; font-size: 0.8rem; }

.recent-panel {
  margin-top: 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
}
.recent-title { margin: 0 0 0.5rem; font-size: 0.95rem; font-weight: 600; }
.recent-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.25rem; }
.recent-item {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.5rem;
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
}
.recent-item:hover { background: var(--card-bg-alt); }
.recent-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.1rem 0.45rem;
  border-radius: 4px;
  background: var(--card-bg-alt);
  color: var(--muted);
  min-width: 3.5rem;
  text-align: center;
}
.recent-badge.ok { background: var(--success); color: #fff; }
.recent-badge.fail { background: var(--danger); color: #fff; }
.recent-badge.run { background: var(--accent); color: #fff; }
.recent-name {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.recent-meta { color: var(--muted); font-size: 0.8rem; }
.recent-hint { margin: 0.75rem 0 0; font-size: 0.8rem; }

/* -------- running view -------- */

.run-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}
.run-header h1 { margin: 0; font-size: 1.3rem; }
.progress-bar {
  height: 6px;
  width: 100%;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 1rem;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 250ms ease;
}
.progress-log {
  list-style: none;
  padding: 0.75rem 1rem;
  margin: 0;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  max-height: 22rem;
  overflow-y: auto;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: 0.85rem;
}
.progress-log li {
  padding: 0.2rem 0;
  border-bottom: 1px solid transparent;
  color: var(--muted);
}
.progress-log li.now { color: var(--fg); }
.progress-log li .stage {
  display: inline-block;
  min-width: 10rem;
  color: var(--accent);
}

/* -------- scorecard -------- */

.scorecard {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem 1.75rem;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 1.25rem;
}
.score-circle {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
  background: var(--success);
}
.score-circle.fail { background: var(--danger); }
.score-circle.partial { background: var(--warn); }
.scorecard-meta { display: flex; flex-direction: column; gap: 0.35rem; }
.scorecard-headline {
  font-size: 1.15rem;
  font-weight: 600;
}
.scorecard-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.35rem;
}
.tag {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--card-bg-alt);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
}
.tag.tag-warn { color: var(--warn); border-color: var(--warn); }
.tag.tag-danger { color: var(--danger); border-color: var(--danger); }

.results-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

/* -------- filters -------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
}
.filters label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.filters select, .filters input[type="search"] {
  font: inherit;
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--fg);
}
.filters input[type="search"] { min-width: 14rem; }
.filters .filter-counts {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--muted);
}

/* -------- results -------- */

.results { display: flex; flex-direction: column; gap: 0.75rem; }

.criterion-group {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.criterion-summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  background: var(--card-bg);
  border: none;
  width: 100%;
  text-align: left;
  font: inherit;
  color: var(--fg);
}
.criterion-summary:hover { background: var(--card-bg-alt); }
.criterion-summary .chev {
  transition: transform 150ms ease;
  color: var(--muted);
  font-size: 0.85rem;
  width: 1rem;
  display: inline-block;
}
.criterion-group.open .criterion-summary .chev { transform: rotate(90deg); }
.criterion-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--accent); min-width: 3.5rem; }
.criterion-name { font-weight: 500; flex: 1; }
.criterion-count {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.8rem;
}
.criterion-body { padding: 0; border-top: 1px solid var(--border); display: none; }
.criterion-group.open .criterion-body { display: block; }

.violation {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.violation:last-child { border-bottom: none; }
.violation-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem 0.7rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.severity {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.75rem;
  padding: 0.05rem 0.45rem;
  border-radius: 4px;
  background: var(--card-bg-alt);
}
.severity.severity-critical { color: #fff; background: var(--critical); }
.severity.severity-serious  { color: #fff; background: var(--serious); }
.severity.severity-moderate { color: #fff; background: var(--moderate); }
.severity.severity-minor    { color: var(--minor); border: 1px solid var(--minor); background: transparent; }

.violation-file {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--fg);
}
.violation-message { margin: 0; }
.violation-snippet {
  margin: 0;
  padding: 0.6rem 0.8rem;
  background: var(--code-bg);
  border-radius: 6px;
  font-size: 0.82rem;
  overflow-x: auto;
  white-space: pre;
}
.violation-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.violation-actions .btn {
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
}

.empty-state {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--muted);
  background: var(--card-bg);
  border: 1px dashed var(--border-strong);
  border-radius: 10px;
}

/* -------- error view -------- */

.error-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
}
.error-card h1 { margin: 0 0 0.5rem; color: var(--danger); }
.error-card .btn { margin-top: 1rem; }

/* -------- static pages: about / privacy / terms (Phase 10) -------- */

.static-page {
  max-width: 44rem;
  margin: 2rem auto;
  padding: 0 1.5rem;
  line-height: 1.6;
}
.static-page h1 { font-size: 1.6rem; margin: 0 0 0.5rem; }
.static-page h2 {
  margin-top: 1.75rem;
  font-size: 1.05rem;
  font-weight: 600;
}
.static-page p, .static-page ul { margin: 0.6rem 0; }
.static-page ul { padding-left: 1.25rem; }
.static-page li { margin: 0.25rem 0; }
.static-page code {
  background: var(--code-bg);
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
  font-size: 0.9em;
}
.static-page-foot { margin-top: 2.5rem; font-size: 0.85rem; }

/* -------- login view (Phase 9B) -------- */

.topbar-meta { display: flex; align-items: center; gap: 0.6rem; }
.topbar-user {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  color: var(--muted);
}

.login-card {
  max-width: 26rem;
  margin: 4rem auto 0;
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.login-title { margin: 0 0 0.4rem; font-size: 1.3rem; font-weight: 600; }
.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-top: 1.2rem;
}
.login-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.login-field input {
  font: inherit;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--fg);
}
.login-status { margin-top: 0.85rem; font-size: 0.85rem; }

/* -------- batch view (Phase 8) -------- */

.batch-table-wrap {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
}
.batch-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.batch-table th, .batch-table td {
  padding: 0.55rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.batch-table th {
  font-weight: 600;
  color: var(--muted);
  background: var(--card-bg-alt);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.batch-table tr:last-child td { border-bottom: none; }
.batch-table .batch-name {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  word-break: break-all;
  max-width: 22rem;
}
.batch-table .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* -------- help overlay (Phase 8) -------- */

.help-card { width: min(36rem, 100%); }
.kbd-list {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.6rem 1.25rem;
  margin: 0;
}
.kbd-list dt { margin: 0; }
.kbd-list dd { margin: 0; color: var(--muted); }
.kbd-list kbd {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  padding: 0.05rem 0.4rem;
  border-radius: 4px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  min-width: 1.1rem;
  text-align: center;
}

/* -------- baseline diff (Phase 7b) -------- */

.baseline-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}
.baseline-controls select {
  font: inherit;
  padding: 0.35rem 0.55rem;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background: var(--card-bg);
  color: var(--fg);
  min-width: 18rem;
  max-width: 100%;
}

.baseline-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
}
.baseline-banner .btn-link {
  color: var(--accent);
  font-size: 0.85rem;
  padding: 0.1rem 0.4rem;
}

/* -------- modal (Phase 7a preview-fixes) -------- */

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}
.modal.hidden { display: none; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(2px);
}
.modal-card {
  position: relative;
  width: min(48rem, 100%);
  max-height: calc(100vh - 3rem);
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  overflow: hidden;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
}
.modal-head h2 { margin: 0; font-size: 1.05rem; font-weight: 600; }
.modal-body {
  padding: 1rem 1.25rem;
  overflow-y: auto;
  flex: 1;
}
.modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--card-bg-alt);
}
body.modal-open { overflow: hidden; }

.fix-group {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}
.fix-group:first-of-type { border-top: none; padding-top: 0; }
.fix-file {
  margin: 0 0 0.4rem;
  font-size: 0.9rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--accent);
}
.fix-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.4rem; }
.fix-item {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
  background: var(--card-bg-alt);
}
.fix-line { color: var(--muted); font-size: 0.8rem; }
.fix-message { color: var(--fg); }
.fix-error { color: var(--danger); }

/* -------- transient toast -------- */

.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--bg);
  padding: 0.55rem 1rem;
  border-radius: 999px;
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 200ms ease;
  z-index: 60;
  pointer-events: none;
}
.toast.show { opacity: 0.95; }