/* ── Reset & variables ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* ── University of South Carolina palette ─────────────────────────────────── */
  --garnet:          #9E1B32;   /* bright garnet — readable on dark */
  --garnet-deep:     #73000A;   /* official USC garnet (Pantone 202) */
  --garnet-bright:   #C1284C;   /* hover/active */
  --garnet-glow:     rgba(158, 27, 50, 0.22);
  --garnet-faint:    rgba(158, 27, 50, 0.08);

  /* ── Dark surfaces ─────────────────────────────────────────────────────────── */
  --bg:          #0B0B0E;
  --bg-card:     #17171C;
  --bg-panel:    #121217;
  --bg-elevated: #1E1E25;
  --border:      #2A2A33;
  --border-light:#38383F;

  /* aliases so existing inline styles using --accent keep working */
  --accent:        var(--garnet);
  --accent-dim:    var(--garnet-deep);
  --accent-bright: var(--garnet-bright);

  /* Text colors tuned for high contrast on dark backgrounds (WCAG AAA where possible)
     #FFFFFF on #0B0B0E = 19.6:1 (primary text)
     #D6D6DD on #0B0B0E = 13.4:1 (secondary)
     #B0B0BA on #0B0B0E =  8.6:1 (tertiary hints)
     Older eyes especially benefit from the much brighter tertiary text. */
  --text:        #FFFFFF;
  --text-muted:  #D6D6DD;
  --text-dim:    #B0B0BA;
  --success:     #00C087;
  --warning:     #F0A500;
  --error:       #E5484D;

  --sidebar-w:   240px;
  --font:        'Inter', 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --font-serif:  'EB Garamond', Georgia, 'Times New Roman', serif;
  --mono:        'SF Mono', 'JetBrains Mono', Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  --radius:      8px;
  --radius-lg:   12px;
  --shadow-sm:   0 1px 3px rgba(0, 0, 0, 0.45);
  --shadow-md:   0 4px 14px rgba(0, 0, 0, 0.55);
  --shadow-lg:   0 24px 70px rgba(0, 0, 0, 0.65);
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;                /* was 15px — bigger baseline for older readers */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
/* Optional user-controlled larger text mode (toggled by A+ button) */
html.text-larger        { font-size: 18px; }
html.text-larger-x      { font-size: 20px; }

/* ── Utilities ──────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
hr { border: none; border-top: 1px solid var(--border); margin: 12px 0; }

::selection { background: var(--garnet-glow); color: var(--text); }

/* ── Login overlay ──────────────────────────────────────────────────────────── */
#login-overlay {
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 50% 35%, var(--garnet-faint) 0%, transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, #050507 100%);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.login-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 48px 36px;
  width: 100%;
  max-width: 460px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.login-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 5px;
  background: linear-gradient(90deg, var(--garnet-deep) 0%, var(--garnet) 50%, var(--garnet-deep) 100%);
}

.login-logo {
  margin: 0 auto 14px;
  line-height: 1;
  width: 96px;
  height: 106px;
  filter: drop-shadow(0 6px 18px rgba(158, 27, 50, 0.4));
}
.login-logo svg { width: 100%; height: 100%; display: block; }

.login-card h2 {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.login-subtitle {
  color: var(--text-muted);
  font-size: 1.02rem;
  margin-bottom: 6px;
  line-height: 1.45;
}

.login-usc {
  color: var(--garnet-bright);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 36px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.login-usc::before, .login-usc::after {
  content: '';
  width: 24px; height: 1px;
  background: var(--garnet-bright);
  opacity: 0.5;
}

.login-card .field { text-align: left; margin-bottom: 18px; }
.login-card .field label {
  display: block;
  font-size: 0.92rem;
  color: var(--text);
  margin-bottom: 8px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.login-card .field input {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1.05rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-card .field input:focus {
  border-color: var(--garnet);
  box-shadow: 0 0 0 3px var(--garnet-glow);
}

#login-btn {
  width: 100%;
  padding: 13px 18px;
  font-size: 1.02rem;
  font-weight: 600;
  margin-top: 6px;
  letter-spacing: 0.01em;
}

.error-msg {
  color: var(--error);
  font-size: 0.9rem;
  margin-bottom: 12px;
  text-align: left;
  padding: 9px 14px;
  background: rgba(229, 72, 77, 0.08);
  border-radius: 6px;
  border-left: 3px solid var(--error);
}

.login-note {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 28px;
  line-height: 1.6;
  padding-top: 22px;
  border-top: 1px solid var(--border);
}
.login-contact {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 10px;
}

/* ── App layout ─────────────────────────────────────────────────────────────── */
#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
  position: relative;
}

/* USC accent stripe across the very top of the application */
#app::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--garnet-deep) 0%, var(--garnet) 50%, var(--garnet-deep) 100%);
  z-index: 100;
}

/* ── Sidebar ─────────────────────────────────────────────────────────────────── */
#sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  padding: 22px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}
.sidebar-title {
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}
.sidebar-subtitle {
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.5;
}

#user-info {
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 8px 10px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border-left: 3px solid var(--garnet);
}
#user-name { font-weight: 600; color: var(--text); }
.role-badge {
  display: inline-block;
  font-size: 0.7rem;
  color: var(--garnet-bright);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2px;
}

.status-msg {
  font-size: 0.86rem;
  color: var(--text);
  line-height: 1.5;
  min-height: 36px;
  padding: 6px 0;
  font-weight: 500;
}
.status-msg .status-text { display: inline; }

/* Progress bar appears below status message during runs */
.progress-bar {
  position: relative;
  width: 100%;
  height: 7px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-top: 12px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--garnet-deep), var(--garnet), var(--garnet-bright));
  border-radius: 3px;
  transition: width 0.25s ease;
  position: relative;
  overflow: hidden;
}
.progress-bar-fill::after {
  /* Animated shimmer so the bar looks alive between discrete progress updates */
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.22) 50%, transparent 100%);
  animation: snm-progress-shimmer 1.4s linear infinite;
}
.progress-bar-label {
  position: absolute;
  top: -16px;
  right: 0;
  font-size: 0.7rem;
  color: var(--garnet-bright);
  font-weight: 700;
  font-family: var(--mono);
  letter-spacing: 0.02em;
}
@keyframes snm-progress-shimmer {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ── Main content ────────────────────────────────────────────────────────────── */
#main-content {
  flex: 1;
  overflow-y: auto;
  padding: 26px 32px 32px;
}

.main-header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.main-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.compare-panel h2 { font-family: var(--font-serif); font-weight: 600; }
.main-header .caption {
  color: var(--text-muted);
  font-size: 0.98rem;
  margin-bottom: 8px;
  line-height: 1.6;
  max-width: 920px;
}
.main-header .caption strong { color: var(--text); }

/* "How does it work?" — subtle inline expander under the caption */
.how-it-works {
  margin-bottom: 22px;
  max-width: 920px;
}
.how-it-works > summary {
  cursor: pointer;
  color: var(--garnet-bright);
  font-weight: 500;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 0;
  list-style: none;
  user-select: none;
  transition: color 0.15s;
}
.how-it-works > summary::-webkit-details-marker { display: none; }
.how-it-works > summary::before {
  content: '▶';
  font-size: 0.7rem;
  transition: transform 0.15s;
}
.how-it-works[open] > summary::before { transform: rotate(90deg); }
.how-it-works > summary:hover { color: #fff; text-decoration: underline; text-decoration-color: var(--garnet); }
.how-it-works > p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin-top: 8px;
  padding: 10px 14px;
  border-left: 3px solid var(--garnet);
  background: var(--garnet-faint);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.how-it-works > p em { color: var(--text); font-style: normal; font-family: var(--mono); font-size: 0.86rem; }

/* ── Control panel — now a transparent container holding section cards ─── */
#control-panel {
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ── Section cards (each logical grouping of controls) ──────────────────── */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px 18px;
  box-shadow: var(--shadow-sm);
}
.section-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.section-icon {
  font-size: 1rem;
  line-height: 1;
}
.section-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.005em;
}
.section-hint {
  font-size: 0.86rem;
  color: var(--text-muted);
  margin-left: auto;
  font-weight: 400;
  text-align: right;
  flex-shrink: 1;
  min-width: 0;
}

/* Advanced section: same card chrome but the section-header becomes the summary */
details.section-card.advanced-toggle {
  padding: 0;
  overflow: hidden;
}
details.section-card.advanced-toggle > summary {
  cursor: pointer;
  list-style: none;
  user-select: none;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 20px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, background 0.15s;
}
details.section-card.advanced-toggle > summary::-webkit-details-marker { display: none; }
details.section-card.advanced-toggle > summary::after {
  content: '▶';
  margin-left: 6px;
  font-size: 0.7rem;
  color: var(--garnet);
  transition: transform 0.15s;
}
details.section-card.advanced-toggle[open] > summary {
  border-bottom-color: var(--border);
  background: rgba(255, 255, 255, 0.015);
}
details.section-card.advanced-toggle[open] > summary::after { transform: rotate(90deg); }
details.section-card.advanced-toggle > .control-row {
  padding: 0 20px 18px;
}

.control-row   { display: flex; gap: 18px; flex-wrap: wrap; }
.control-group { display: flex; flex-direction: column; gap: 6px; min-width: 130px; }
.control-group > label:first-child {
  font-size: 0.82rem;
  color: var(--text);
  font-weight: 600;
  letter-spacing: 0.01em;
}
.panel-divider { margin: 16px 0; }

/* Drop zone */
.drop-zone {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px 22px;
  text-align: center;
  cursor: pointer;
  color: var(--text-muted);
  background: var(--bg);
  transition: all 0.18s;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--garnet);
  background: var(--garnet-faint);
  color: var(--text);
  box-shadow: 0 0 0 3px var(--garnet-faint);
}
.drop-zone.drag-over .drop-icon { transform: scale(1.1); }
.drop-icon {
  font-size: 2.6rem;
  margin-bottom: 12px;
  opacity: 0.92;
  transition: transform 0.18s;
}
.drop-main-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: 0.005em;
}
.drop-sub {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.drop-sub u {
  color: var(--garnet-bright);
  text-decoration-color: var(--garnet-bright);
  font-weight: 500;
}
.drop-hint {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  max-width: 460px;
}
.drop-zone.has-file {
  border-color: var(--success);
  background: rgba(0, 192, 135, 0.06);
}
.drop-zone.has-file .drop-main-label,
.drop-zone.has-file .drop-icon { color: var(--success); }

.checkbox-row { display: flex; align-items: center; gap: 7px; font-size: 0.86rem; cursor: pointer; color: var(--text); }
.checkbox-row input[type="checkbox"] { cursor: pointer; accent-color: var(--garnet); }
.radio-row    { display: flex; align-items: center; gap: 7px; font-size: 0.86rem; cursor: pointer; color: var(--text); }
.radio-row input[type="radio"] { cursor: pointer; accent-color: var(--garnet); }

/* Inputs */
.text-input, .num-input {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 8px 12px;
  font-size: 0.92rem;
  font-family: var(--font);
  outline: none;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.text-input:focus, .num-input:focus {
  border-color: var(--garnet);
  box-shadow: 0 0 0 3px var(--garnet-faint);
}
.num-input:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn-primary {
  background: var(--garnet);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: background 0.15s, transform 0.05s, box-shadow 0.15s;
  letter-spacing: 0.01em;
}
.btn-primary:hover:not(:disabled) {
  background: var(--garnet-bright);
  box-shadow: 0 4px 12px var(--garnet-glow);
}
.btn-primary:active:not(:disabled) { transform: translateY(1px); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-full { width: 100%; }

/* Visible keyboard-focus rings on all interactive controls */
.btn-primary:focus-visible,
.btn-outline:focus-visible,
.btn-download:focus-visible,
.preset-btn:focus-visible,
.help-toggle-btn:focus-visible,
.template-link:focus-visible,
.welcome-dismiss:focus-visible,
.tab-btn:focus-visible,
.text-input:focus-visible,
.num-input:focus-visible,
.drop-zone:focus-visible {
  outline: 3px solid var(--garnet-bright);
  outline-offset: 2px;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  width: 100%;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.btn-outline:hover:not(:disabled) {
  border-color: var(--garnet);
  background: var(--garnet-faint);
}
.btn-outline:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── Results ─────────────────────────────────────────────────────────────────── */
#results-area { margin-top: 8px; }

.result-metrics {
  display: flex; gap: 16px; flex-wrap: wrap;
  margin-bottom: 22px;
}
.metric-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  min-width: 150px;
  box-shadow: var(--shadow-sm);
}
.metric-box .metric-label {
  font-size: 0.84rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.metric-box .metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.cluster-section { margin-bottom: 30px; }
.cluster-section h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

details.cluster-expander {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
  overflow: hidden;
  transition: border-color 0.15s;
}
details.cluster-expander:hover { border-color: var(--border-light); }
details.cluster-expander[open] { border-color: var(--garnet); border-left-width: 3px; }
details.cluster-expander summary {
  padding: 11px 16px;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 500;
  list-style: none;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
details.cluster-expander summary::-webkit-details-marker { display: none; }
details.cluster-expander summary::before {
  content: '▶';
  font-size: 0.65rem;
  color: var(--garnet);
  transition: transform 0.15s;
}
details.cluster-expander[open] summary::before { transform: rotate(90deg); }

.cluster-table-wrap { padding: 0 16px 16px; overflow-x: auto; }
table.cluster-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  font-family: var(--mono);
  color: var(--text);
}
table.cluster-table th {
  text-align: left;
  padding: 8px 12px;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--border-light);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
table.cluster-table td { padding: 7px 12px; border-bottom: 1px solid rgba(60, 60, 73, 0.5); color: var(--text); }
table.cluster-table tr:last-child td { border-bottom: none; }
table.cluster-table tr:hover td { background: rgba(255, 255, 255, 0.025); }

.download-row { margin-top: 22px; }
.btn-download {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 9px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.05s;
}
.btn-download:hover {
  border-color: var(--garnet);
  background: var(--garnet-faint);
}
.btn-download:active { transform: translateY(1px); }

.error-banner {
  background: rgba(229, 72, 77, 0.08);
  border: 1px solid var(--error);
  border-left: 4px solid var(--error);
  border-radius: var(--radius);
  padding: 14px 18px;
  color: var(--error);
  font-size: 0.92rem;
  margin-bottom: 18px;
}

/* ── Hint text ─────────────────────────────────────────────────────────────── */
.hint { font-size: 0.84rem; color: var(--text-muted); line-height: 1.5; }
.hint.rec-hint { color: var(--warning); }

/* ── Recommendation banner ─────────────────────────────────────────────────── */
.rec-banner {
  background: rgba(240, 165, 0, 0.06);
  border: 1px solid rgba(240, 165, 0, 0.3);
  border-left: 3px solid var(--warning);
  border-radius: var(--radius);
  padding: 11px 15px;
  font-size: 0.86rem;
  color: #f0c060;
  margin-bottom: 14px;
  line-height: 1.55;
}
.rec-banner strong { color: #ffd680; }

/* ── Dual-handle range slider ──────────────────────────────────────────────── */
.dual-range { position: relative; height: 22px; width: 100%; }
.dual-range-track {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 100%; height: 5px; background: var(--border); border-radius: 3px;
  pointer-events: none;
}
.dual-range-fill {
  position: absolute; height: 100%;
  background: linear-gradient(90deg, var(--garnet), var(--garnet-bright));
  border-radius: 3px;
}
.dual-range input[type="range"] {
  position: absolute; width: 100%; height: 5px;
  appearance: none; -webkit-appearance: none;
  background: transparent; pointer-events: none;
  top: 50%; transform: translateY(-50%); margin: 0; padding: 0;
}
.dual-range input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; pointer-events: auto;
  width: 17px; height: 17px; border-radius: 50%;
  background: var(--garnet); cursor: pointer;
  border: 2px solid var(--bg-card); box-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
  transition: background 0.15s, transform 0.1s;
}
.dual-range input[type="range"]::-webkit-slider-thumb:hover { background: var(--garnet-bright); transform: scale(1.1); }
.dual-range input[type="range"]::-moz-range-thumb {
  pointer-events: auto; width: 17px; height: 17px; border-radius: 50%;
  background: var(--garnet); cursor: pointer;
  border: 2px solid var(--bg-card); box-shadow: 0 1px 6px rgba(0, 0, 0, 0.6);
}
.dual-range-vals {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.78rem; font-family: var(--mono); color: var(--text-muted);
}

/* ── Page-level tab bar (top of main content) ──────────────────────────────
   Bigger, more prominent than the inner Results/Sanity tabs. Each tab is a
   major app feature (Analyze vs Benchmark). */
.page-tab-bar {
  display: flex;
  gap: 6px;
  border-bottom: 2px solid var(--border);
  margin-bottom: 20px;
  align-items: stretch;
}
.page-tab-btn {
  background: transparent;
  border: 2px solid transparent;
  border-bottom: none;
  color: var(--text-muted);
  font-size: 1.02rem;
  font-weight: 600;
  font-family: var(--font);
  padding: 12px 22px;
  cursor: pointer;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  margin-bottom: -2px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  letter-spacing: 0.005em;
}
.page-tab-btn:hover {
  color: var(--text);
  background: var(--garnet-faint);
}
.page-tab-btn.active {
  color: var(--text);
  background: var(--bg-card);
  border-color: var(--border);
  border-bottom-color: var(--bg-card);
  font-weight: 700;
}
.page-tab-btn.active::before {
  content: '';
  position: absolute;
  margin-top: -16px;
  margin-left: -25px;
  width: calc(100% + 4px);
  height: 3px;
  background: linear-gradient(90deg, var(--garnet-deep), var(--garnet), var(--garnet-bright));
  border-radius: 2px 2px 0 0;
}
.page-tab-btn:focus-visible {
  outline: 3px solid var(--garnet-bright);
  outline-offset: -2px;
}
.page-tab-panel {
  animation: snm-fade-in 0.18s ease;
}
@keyframes snm-fade-in {
  from { opacity: 0.4; transform: translateY(4px); }
  to   { opacity: 1;   transform: translateY(0); }
}

/* ── Benchmark tab page styling ────────────────────────────────────────── */
.benchmark-intro {
  margin-bottom: 18px;
  max-width: 920px;
}
.benchmark-intro h2 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}
.benchmark-intro p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.6;
}
.benchmark-source-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.benchmark-source-card {
  flex: 1;
  min-width: 280px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  background: var(--bg);
}
.benchmark-source-card:hover { border-color: var(--garnet); background: var(--garnet-faint); }
.benchmark-source-card.active {
  border-color: var(--garnet);
  background: var(--garnet-faint);
  box-shadow: 0 0 0 1px var(--garnet);
}
.benchmark-source-card label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 6px;
  font-size: 0.98rem;
}
.benchmark-source-card .source-hint {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 4px;
}
.benchmark-source-card.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

#run-benchmark-tab-btn {
  margin-top: 8px;
  padding: 14px 24px;
  font-size: 1.05rem;
}

/* ── Tab bar ───────────────────────────────────────────────────────────────── */
.tab-bar {
  display: flex; gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 500;
  font-family: var(--font);
  padding: 9px 18px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  color: var(--garnet-bright);
  border-bottom-color: var(--garnet);
  font-weight: 600;
}

/* ── Sanity checks panel ───────────────────────────────────────────────────── */
.sanity-section { margin-bottom: 36px; }
.sanity-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.sanity-sub { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 12px; }

.sanity-checks { display: flex; gap: 22px; flex-wrap: wrap; margin-bottom: 14px; }
.sanity-check { font-size: 0.86rem; display: flex; align-items: center; gap: 7px; }
.sanity-ok   { color: var(--success); }
.sanity-fail { color: var(--error); }

table.sanity-stats-tbl {
  border-collapse: collapse;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
table.sanity-stats-tbl td { padding: 4px 18px 4px 0; }
table.sanity-stats-tbl td:first-child { color: var(--text); font-weight: 500; }

.slider-row {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 10px; flex-wrap: wrap;
}
.slider-row label { font-size: 0.86rem; color: var(--text-muted); white-space: nowrap; }
.slider-row input[type="range"] {
  width: 220px; accent-color: var(--garnet);
  cursor: pointer;
}
.slider-hint { font-size: 0.76rem; color: var(--text-dim); }

.heatmap-legend {
  display: flex; gap: 18px; margin-bottom: 10px;
  font-size: 0.78rem; color: var(--text-muted);
}
.legend-neg  { color: #FF6B7A; }
.legend-pos  { color: #6B9EFF; }
.legend-zero { color: var(--text-dim); }

/* ── Heatmap table ─────────────────────────────────────────────────────────── */
.heatmap-scroll { overflow-x: auto; overflow-y: auto; max-height: 600px; }
table.heatmap-tbl {
  border-collapse: collapse;
  font-size: 0.7rem;
  font-family: var(--mono);
  white-space: nowrap;
}
table.heatmap-tbl th, table.heatmap-tbl td {
  padding: 3px 5px;
  border: 1px solid rgba(45, 52, 73, 0.55);
  text-align: right;
  min-width: 46px;
  color: #000;
}
table.heatmap-tbl thead th, table.heatmap-tbl tbody th {
  background: var(--bg-card) !important;
  color: var(--text-muted);
  font-weight: 500;
  text-align: center;
  max-width: 64px;
  overflow: hidden;
  text-overflow: ellipsis;
}
table.heatmap-tbl tbody th { text-align: right; }

/* ── Compare panel ─────────────────────────────────────────────────────────── */
.compare-loading {
  padding: 22px;
  color: var(--text-muted);
  font-style: italic;
  background: var(--bg-card);
  border-radius: var(--radius);
  border-left: 3px solid var(--garnet);
}
.compare-panel { padding: 20px 0 10px; }
.compare-panel h2 {
  font-size: 1.2rem;
  margin-bottom: 6px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ARI comparison table */
.ari-table-wrap { margin: 18px 0; }
.ari-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: var(--bg-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}
.ari-table th {
  background: var(--bg-panel);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.ari-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.ari-table tr:last-child td { border-bottom: none; }
.ari-row-snm td:first-child { font-weight: 700; color: var(--garnet-bright); }
.ari-row-snm { background: var(--garnet-faint); }
.ari-note { color: var(--text-muted); font-size: 0.82rem; }

/* Iris cluster cards */
.iris-card {
  flex: 1 1 220px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.86rem;
  max-width: 340px;
}
.iris-card-true {
  border-color: rgba(240, 165, 0, 0.45);
  background: rgba(240, 165, 0, 0.04);
}
.iris-card-title { font-weight: 700; margin-bottom: 6px; font-size: 0.92rem; }
.iris-card-size  { font-weight: 400; color: var(--text-muted); }
.iris-card-members {
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.6;
  max-height: 120px;
  overflow-y: auto;
  word-break: break-word;
}

/* ── Iris fair comparison ─────────────────────────────────────────────────── */
.scatter-grid { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 10px; }
.scatter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 11px 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.scatter-title {
  font-size: 0.86rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 5px;
  line-height: 1.35;
}
.scatter-ari { display: block; font-size: 0.78rem; color: var(--text-muted); font-weight: 400; }
.scatter-svg { display: block; }
.scatter-legend {
  display: flex; flex-wrap: wrap; gap: 4px 10px;
  margin-top: 6px; justify-content: center;
}
.scatter-legend-item {
  display: flex; align-items: center; gap: 3px;
  font-size: 0.74rem; color: var(--text-muted);
}
.fair-charts-row { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 20px; }
.fair-chart-svg {
  display: block;
  background: var(--bg-card);
  border-radius: 6px;
  border: 1px solid var(--border);
}
.fair-section-head {
  font-size: 0.96rem;
  font-weight: 600;
  margin: 20px 0 6px;
}

/* ── Custom tooltips ────────────────────────────────────────────────────────── */
#tooltip {
  position: fixed;
  z-index: 9999;
  max-width: 300px;
  background: #1E2030;
  color: var(--text);
  font-size: 0.82rem;
  line-height: 1.5;
  padding: 9px 12px;
  border-radius: 7px;
  border: 1px solid var(--border-light);
  border-left: 3px solid var(--garnet);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.12s ease;
  white-space: pre-wrap;
}

/* ── Scrollbars (Webkit) ───────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-panel); }
::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 5px;
  border: 2px solid var(--bg-panel);
}
::-webkit-scrollbar-thumb:hover { background: var(--garnet); }

/* ── Loading spinner ───────────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--garnet-bright);
  border-radius: 50%;
  animation: snm-spin 0.8s linear infinite;
  vertical-align: -2px;
  margin-right: 6px;
}
.spinner-lg {
  width: 28px; height: 28px; border-width: 3px;
}
@keyframes snm-spin { to { transform: rotate(360deg); } }

/* ── Help toggle button (in header) ───────────────────────────────────────── */
.help-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text);
  padding: 7px 14px 7px 10px;
  font-size: 0.92rem;
  font-family: var(--font);
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.help-toggle-btn:hover {
  border-color: var(--garnet);
  color: var(--text);
  background: var(--garnet-faint);
}

/* Header action group (text-size buttons + help button) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.text-size-group {
  display: inline-flex;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow: hidden;
}
.text-size-btn {
  background: transparent;
  border: none;
  color: var(--text);
  padding: 7px 12px;
  font-size: 0.92rem;
  font-family: var(--font-serif);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  min-width: 38px;
}
.text-size-btn:first-child { border-right: 1px solid var(--border-light); }
.text-size-btn:hover { background: var(--garnet-faint); color: var(--garnet-bright); }
.text-size-btn:active { background: var(--garnet-glow); }
.text-size-btn:focus-visible {
  outline: 3px solid var(--garnet-bright);
  outline-offset: 2px;
}
.help-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  background: var(--garnet);
  color: #fff;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.78rem;
  font-family: var(--font-serif);
}

/* ── Help drawer (slide-in from right) ────────────────────────────────────── */
#help-drawer {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: min(440px, 92vw);
  background: var(--bg-card);
  border-left: 1px solid var(--border);
  box-shadow: -16px 0 40px rgba(0, 0, 0, 0.6);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  transform: translateX(0);
  transition: transform 0.25s ease;
}
#help-drawer.hidden {
  display: flex !important;
  transform: translateX(100%);
  pointer-events: none;
}
#help-drawer::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--garnet-deep), var(--garnet), var(--garnet-deep));
}
.help-drawer-header {
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.help-drawer-header h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
.help-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
  transition: background 0.15s, color 0.15s;
}
.help-close-btn:hover { color: var(--text); background: var(--garnet-faint); }

.help-drawer-content {
  padding: 18px 22px 28px;
  overflow-y: auto;
  flex: 1;
}
.help-section {
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.help-section:last-child { border-bottom: none; margin-bottom: 0; }
.help-section h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--garnet-bright);
  letter-spacing: -0.005em;
}
.help-section p {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 8px;
}
.help-section ul, .help-section ol {
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.65;
  padding-left: 22px;
  margin-bottom: 6px;
}
.help-section li { margin-bottom: 4px; }
.help-section li strong { color: var(--garnet-bright); }
.help-section code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--text);
}
.help-note {
  font-size: 0.88rem !important;
  color: var(--text-muted) !important;
  font-style: italic;
  padding: 8px 12px;
  background: var(--garnet-faint);
  border-left: 3px solid var(--garnet);
  border-radius: 4px;
  margin-top: 8px;
}

#help-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
  z-index: 1999;
  transition: opacity 0.2s;
  opacity: 1;
}
#help-backdrop.hidden {
  display: block !important;
  opacity: 0;
  pointer-events: none;
}

/* ── Footer ────────────────────────────────────────────────────────────────── */
#app-footer {
  margin-top: 40px;
  padding: 18px 0 12px;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-content {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 920px;
  padding: 0 20px;
}
.footer-brand {
  color: var(--garnet-bright);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: 0.82rem;
}
.footer-sep { color: var(--text-muted); }

/* ── Print stylesheet ──────────────────────────────────────────────────────── */
@media print {
  :root {
    --bg: #ffffff;
    --bg-card: #ffffff;
    --bg-panel: #ffffff;
    --bg-elevated: #ffffff;
    --border: #cccccc;
    --border-light: #999999;
    --text: #000000;
    --text-muted: #333333;
    --text-dim: #555555;
  }
  html, body { background: #fff !important; color: #000 !important; font-size: 11pt; }
  #app::before, #login-overlay, #sidebar, #help-drawer, #help-backdrop,
  #help-toggle, #tooltip, #compare-area .download-row,
  #control-panel, .download-row, .tab-bar, .btn-primary, .btn-outline, .btn-download,
  .drop-zone, .help-toggle-btn, #run-all-btn, .rec-banner, .slider-row,
  .heatmap-legend, .heatmap-scroll {
    display: none !important;
  }
  #app { display: block; height: auto; overflow: visible; }
  #main-content { padding: 0; overflow: visible; }
  .main-header h1 { color: #000; }
  .main-header .caption { color: #333; }
  .tab-panel { display: block !important; }
  .tab-panel.hidden { display: block !important; }
  details.cluster-expander {
    border: 1px solid #ccc !important;
    background: #fff !important;
    page-break-inside: avoid;
    margin-bottom: 8px;
  }
  details.cluster-expander[open] { border-left: 3px solid #73000A !important; }
  details.cluster-expander summary {
    background: #f4f4f4 !important;
    color: #000 !important;
    border-bottom: 1px solid #ddd;
  }
  details.cluster-expander summary::before { color: #73000A !important; }
  table.cluster-table { background: #fff; color: #000; }
  table.cluster-table th { color: #333 !important; background: #fafafa; border-bottom: 1px solid #999; }
  table.cluster-table td { color: #000 !important; border-bottom: 1px solid #eee; }
  .metric-box {
    background: #fff !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    page-break-inside: avoid;
  }
  .metric-box .metric-label { color: #555 !important; }
  .metric-box .metric-value { color: #000 !important; }
  .cluster-section h2 { color: #000; border-bottom: 2px solid #73000A; }
  .ari-table th, .ari-table td { background: #fff !important; color: #000 !important; }
  #app-footer { border-top: 1px solid #ccc; }
  .footer-content { color: #555; }
  .footer-brand { color: #73000A; }
  /* expand all details for print */
  details { open: true; }
  details summary { pointer-events: none; }
}

/* ── Stacked run-all result panels ────────────────────────────────────────── */
.compare-stack-panel {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 2px solid var(--border);
}
.compare-stack-panel:last-child { border-bottom: none; }

/* ── Strictness preset row ──────────────────────────────────────────────── */
.preset-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--garnet);
  border-radius: var(--radius);
  padding: 13px 18px;
}
.preset-label-wrap { flex: 1; min-width: 260px; }
.preset-section-label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
  letter-spacing: 0.005em;
}
.preset-buttons { display: flex; gap: 6px; flex-wrap: wrap; }
.preset-btn {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 9px 16px;
  font-size: 0.88rem;
  font-weight: 500;
  font-family: var(--font);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.15s;
}
.preset-btn:hover {
  border-color: var(--garnet);
  color: var(--text);
  background: var(--garnet-faint);
}
.preset-btn.active {
  background: var(--garnet);
  color: #fff;
  border-color: var(--garnet);
  font-weight: 600;
  box-shadow: 0 2px 8px var(--garnet-glow);
}

/* ── Advanced toggle (collapsible fine-tune row) ────────────────────────── */
details.advanced-toggle {
  border-top: 1px dashed var(--border);
  padding-top: 8px;
  margin-top: 4px;
}
details.advanced-toggle summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  padding: 4px 0;
  list-style: none;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.15s;
}
details.advanced-toggle summary::-webkit-details-marker { display: none; }
details.advanced-toggle summary::before {
  content: '▶';
  font-size: 0.7rem;
  color: var(--garnet);
  transition: transform 0.15s;
}
details.advanced-toggle[open] summary::before { transform: rotate(90deg); }
details.advanced-toggle summary:hover { color: var(--text); }

/* ── Welcome banner ─────────────────────────────────────────────────────── */
.welcome-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  background: linear-gradient(135deg, var(--garnet-faint) 0%, rgba(158, 27, 50, 0.02) 100%);
  border: 1px solid var(--garnet);
  border-left: 4px solid var(--garnet);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 18px;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.6;
}
.welcome-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
  line-height: 1;
}
.welcome-text { flex: 1; }
.welcome-text strong { color: var(--garnet-bright); }
.welcome-dismiss {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: 6px;
  flex-shrink: 0;
  transition: color 0.15s, background 0.15s;
}
.welcome-dismiss:hover {
  color: var(--text);
  background: var(--garnet-faint);
}
.welcome-link {
  color: var(--garnet-bright);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--garnet);
  text-underline-offset: 3px;
}
.welcome-link:hover { color: #fff; text-decoration-color: var(--garnet-bright); }

/* ── Drop-zone actions row (demo checkbox + template download) ──────────── */
.drop-actions-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.template-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--garnet-bright);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  padding: 4px 10px;
  border: 1px solid var(--border-light);
  border-radius: 6px;
  transition: all 0.15s;
}
.template-link:hover {
  border-color: var(--garnet);
  background: var(--garnet-faint);
  color: #fff;
}
.help-template-link {
  display: inline-block;
  background: var(--garnet);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  margin: 8px 0 4px;
  transition: background 0.15s;
}
.help-template-link:hover { background: var(--garnet-bright); }

/* ── Auto-format notice (shown after CSV upload is cleaned) ─────────────── */
.autoformat-notice {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: linear-gradient(135deg, rgba(0,192,135,0.08) 0%, rgba(0,192,135,0.02) 100%);
  border: 1px solid var(--success);
  border-left: 4px solid var(--success);
  border-radius: var(--radius);
  padding: 13px 16px 12px;
  margin-bottom: 16px;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.55;
}
.autoformat-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1.1;
}
.autoformat-text { flex: 1; }
.autoformat-text strong { color: var(--success); }
.autoformat-text ul {
  margin: 6px 0 0 0;
  padding-left: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.autoformat-text li { margin-bottom: 2px; }
.autoformat-text li strong { color: var(--garnet-bright); font-weight: 600; }
.autoformat-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 8px;
  border-radius: 4px;
  flex-shrink: 0;
  transition: color 0.15s, background 0.15s;
}
.autoformat-close:hover { color: var(--text); background: rgba(255,255,255,0.05); }