/* ──────────────────────────────────────────────────────────────────────────
   EFRI web app — unified design system
   One palette · one spacing scale · one motion curve
   ────────────────────────────────────────────────────────────────────────── */

:root {
  /* Brand */
  --navy:        #0a3d62;
  --navy-dark:   #082e4a;
  --navy-soft:   #145a8d;
  --navy-tint:   #eaf2fa;

  /* Surfaces */
  --bg:          #f4f6f9;
  --bg-grad:     linear-gradient(180deg, #f6f8fb 0%, #eef1f6 100%);
  --panel-bg:    #ffffff;
  --panel-alt:   #fafbfc;
  --border:      #e1e6ed;
  --border-soft: #eef1f5;
  --header-bg:   #f4f6f9;

  /* Text */
  --text:        #1f2d3d;
  --text-mute:   #5a6b7d;
  --text-faint:  #94a3b8;

  /* Risk palette (Tailwind-leaning for equal visual weight) */
  --green:       #16a34a;
  --green-soft:  #dcfce7;
  --amber:       #d97706;
  --amber-soft:  #fef3c7;
  --red:         #dc2626;
  --red-soft:    #fee2e2;
  --gray:        #94a3b8;
  --gray-soft:   #f1f5f9;

  /* Radii */
  --r-sm:        4px;
  --r-md:        6px;
  --r-lg:        10px;
  --r-pill:      999px;

  /* Spacing tokens */
  --space-1:     4px;
  --space-2:     8px;
  --space-3:     12px;
  --space-4:     16px;
  --space-5:     20px;
  --space-6:     24px;

  /* Shadows (layered for natural depth) */
  --shadow-sm:   0 1px 2px rgba(10, 61, 98, 0.05);
  --shadow:      0 1px 2px rgba(10, 61, 98, 0.05), 0 1px 3px rgba(10, 61, 98, 0.06);
  --shadow-md:   0 4px 12px rgba(10, 61, 98, 0.08), 0 2px 4px rgba(10, 61, 98, 0.04);
  --shadow-lg:   0 12px 32px rgba(10, 18, 28, 0.30), 0 6px 12px rgba(10, 18, 28, 0.18);
  --shadow-focus: 0 0 0 3px rgba(20, 90, 141, 0.22);

  /* Motion */
  --t-fast:      0.12s ease;
  --t-base:      0.18s ease;
  --t-slow:      0.40s ease-out;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.hidden { display: none !important; }

/* Accessible focus ring everywhere */
:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--r-sm);
}

/* ── Header ─────────────────────────────────────────────────────────────── */
.topbar {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
  padding: 18px 32px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06), 0 2px 6px rgba(10, 61, 98, 0.12);
  position: relative;
}
.topbar::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px; height: 3px;
  background: linear-gradient(90deg, var(--navy-soft), var(--navy), var(--navy-soft));
  opacity: 0.6;
}
.brand { display: flex; align-items: center; gap: 18px; }
.logo {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 0.04em;
  background: #fff;
  color: var(--navy);
  padding: 6px 14px;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
}
.title-block .title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.title-block .subtitle {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
  margin-top: 3px;
  letter-spacing: 0.02em;
}

/* ── Layout ──────────────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 28px auto;
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--t-base);
}
.panel h2 {
  margin: 0 0 14px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
}

/* ── Input ───────────────────────────────────────────────────────────────── */
.input-panel label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-mute);
}
#smiles {
  width: 100%;
  font-family: "SF Mono", "Menlo", Consolas, "Courier New", monospace;
  font-size: 13px;
  line-height: 1.5;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  resize: vertical;
  background: #fcfdfe;
  color: var(--text);
  transition: border-color var(--t-base), box-shadow var(--t-base), background var(--t-base);
}
#smiles:hover { border-color: #c4cfdc; }
#smiles:focus {
  outline: none;
  border-color: var(--navy-soft);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(20, 90, 141, 0.18);
}
.input-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.status {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--text-mute);
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  font: inherit;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--r-md);
  cursor: pointer;
  border: 1px solid transparent;
  letter-spacing: 0.01em;
  transition: background var(--t-base), color var(--t-base),
              border-color var(--t-base), box-shadow var(--t-base),
              transform var(--t-fast);
}
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn:active:not(:disabled) { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(180deg, var(--navy-soft) 0%, var(--navy) 100%);
  color: #fff;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset,
              0 1px 2px rgba(10, 61, 98, 0.20);
}
.btn-primary:hover:not(:disabled) {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-dark) 100%);
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.10) inset,
              0 4px 10px rgba(10, 61, 98, 0.25);
}

.btn-secondary {
  background: #fff;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-secondary:hover:not(:disabled) {
  background: var(--navy-tint);
  color: var(--navy-dark);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(10, 61, 98, 0.10);
}

/* ── Error ───────────────────────────────────────────────────────────────── */
.error-panel {
  border-color: var(--red);
  background: linear-gradient(180deg, var(--red-soft) 0%, #fff5f5 100%);
  color: var(--red);
}
.error-panel p { margin: 8px 0 12px; }

/* ── Loading ─────────────────────────────────────────────────────────────── */
.loading-panel {
  text-align: center;
  padding: 40px 20px;
}
.spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto 14px;
  border: 3px solid var(--border);
  border-top-color: var(--navy);
  border-right-color: var(--navy-soft);
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
  box-shadow: 0 0 0 4px rgba(20, 90, 141, 0.05);
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-title { margin: 0; font-weight: 600; color: var(--navy); letter-spacing: 0.01em; }
.loading-hint  { margin: 6px 0 0; color: var(--text-mute); font-size: 12px; }

/* ── EFRI Summary ────────────────────────────────────────────────────────── */
.efri-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.efri-header h2 {
  margin: 0;
  border-bottom: none;
  padding-bottom: 0;
}
.cache-tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--header-bg);
  color: var(--text-mute);
  padding: 4px 9px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  font-weight: 600;
}

.efri-hero {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 18px 0 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.hero-right {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: linear-gradient(180deg, #fff 0%, #fafcff 100%);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 18px 24px;
  min-width: 540px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}
.structure-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
#structure-img {
  display: block;
  max-width: 260px;
  height: auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 6px;
  cursor: zoom-in;
  transition: transform var(--t-base), box-shadow var(--t-base);
  box-shadow: var(--shadow-sm);
}
#structure-img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}
.structure-caption {
  font-size: 11px;
  color: var(--text-mute);
  font-family: "SF Mono", Consolas, monospace;
  max-width: 260px;
  word-break: break-all;
  text-align: center;
  letter-spacing: 0.01em;
}

.risk-badge {
  padding: 12px 28px;
  border-radius: var(--r-pill);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--header-bg);
  color: var(--text-mute);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25),
              0 1px 3px rgba(10, 61, 98, 0.10);
  transition: background var(--t-base), color var(--t-base), box-shadow var(--t-base);
}
.risk-badge.risk-low     { background: linear-gradient(180deg, #22c55e 0%, var(--green) 100%); color: #fff;
                           box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.30), 0 4px 10px rgba(22, 163, 74, 0.25); }
.risk-badge.risk-medium  { background: linear-gradient(180deg, #f59e0b 0%, var(--amber) 100%); color: #fff;
                           box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.30), 0 4px 10px rgba(217, 119, 6, 0.25); }
.risk-badge.risk-high    { background: linear-gradient(180deg, #ef4444 0%, var(--red) 100%); color: #fff;
                           box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.30), 0 4px 10px rgba(220, 38, 38, 0.28); }
.risk-badge.risk-unknown { background: linear-gradient(180deg, #a3b1c2 0%, var(--gray) 100%); color: #fff;
                           box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.20), 0 1px 3px rgba(10, 61, 98, 0.10); }

.overall-block .overall-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  font-weight: 600;
}
.overall-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: flex-start;
  min-width: 96px;
}
.overall-block .overall-score {
  font-size: 30px;
  font-weight: 700;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  letter-spacing: -0.01em;
  line-height: 1.05;
}

/* ── Gauge (gradient track + needle + Low/Medium/High legend) ─────────── */
.gauge {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 260px;
  flex: 0 0 auto;
}
.gauge-track {
  position: relative;
  height: 14px;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg,
    var(--green) 0%,
    #84cc16 25%,
    var(--amber) 50%,
    #ea580c 75%,
    var(--red) 100%);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.18),
              0 1px 0 rgba(255, 255, 255, 0.6);
}
.gauge-needle {
  position: absolute;
  top: -7px;
  left: 0%;
  transform: translateX(-50%);
  width: 3px;
  height: calc(100% + 7px);
  background: var(--navy-dark);
  border-radius: 2px;
  transition: left 0.55s cubic-bezier(0.22, 0.85, 0.30, 1),
              opacity 0.25s ease;
  box-shadow: 0 1px 3px rgba(10, 18, 28, 0.45);
}
.gauge-needle::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%);
  width: 11px;
  height: 11px;
  background: var(--navy-dark);
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(10, 18, 28, 0.35);
}

.gauge-legend {
  display: flex;
  font-size: 11px;
}
.gauge-segment {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1px;
}
.gauge-segment-label {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 10px;
}
.gauge-segment-low    .gauge-segment-label { color: var(--green); }
.gauge-segment-medium .gauge-segment-label { color: var(--amber); }
.gauge-segment-high   .gauge-segment-label { color: var(--red); }
.gauge-segment-range {
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.sub-scores {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.score-card {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 14px 12px;
  background: linear-gradient(180deg, #fff 0%, #fafcff 100%);
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.score-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.score-card .score-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  font-weight: 600;
}
.score-card .score-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin: 6px 0 10px;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}
.score-bar {
  background: var(--border-soft);
  border-radius: var(--r-pill);
  height: 8px;
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(10, 61, 98, 0.08);
}
.score-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--r-pill);
  transition: width var(--t-slow);
}
.score-card.risk-low    .score-fill { background: linear-gradient(90deg, #22c55e, var(--green)); }
.score-card.risk-medium .score-fill { background: linear-gradient(90deg, #f59e0b, var(--amber)); }
.score-card.risk-high   .score-fill { background: linear-gradient(90deg, #ef4444, var(--red)); }
.score-card.risk-unknown .score-value { color: var(--text-mute); }

.warnings {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.warnings li {
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid #fbcaca;
  border-radius: var(--r-pill);
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ── Two-column results grid ─────────────────────────────────────────────── */
.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.section-list { display: flex; flex-direction: column; gap: 10px; }

details.section {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--panel-bg);
  transition: box-shadow var(--t-base);
}
details.section[open] {
  box-shadow: var(--shadow-sm);
}
details.section > summary {
  list-style: none;
  cursor: pointer;
  padding: 11px 16px;
  background: linear-gradient(180deg, #f8fafd 0%, var(--header-bg) 100%);
  font-weight: 600;
  font-size: 13px;
  color: var(--navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  letter-spacing: 0.02em;
  transition: background var(--t-base), color var(--t-base);
}
details.section > summary:hover { color: var(--navy-dark); background: var(--navy-tint); }
details.section > summary::-webkit-details-marker { display: none; }
details.section > summary::after {
  content: "▸";
  color: var(--text-mute);
  transition: transform var(--t-base);
  font-size: 12px;
  margin-left: 8px;
}
details.section[open] > summary::after { transform: rotate(90deg); }
details.section > .section-body {
  padding: 10px 14px 16px;
  max-height: 340px;
  overflow-y: auto;
}

.data-empty {
  color: var(--text-mute);
  font-style: italic;
  padding: 12px 6px;
  font-size: 13px;
}

/* ── Tables ──────────────────────────────────────────────────────────────── */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
thead th {
  background: linear-gradient(180deg, #fff 0%, var(--header-bg) 100%);
  color: var(--navy);
  text-align: left;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1;
}
tbody td {
  padding: 8px 10px;
  border-bottom: 1px solid #f0f2f5;
  font-variant-numeric: tabular-nums;
}
tbody tr:nth-child(even) { background: var(--row-alt); }
tbody tr { transition: background var(--t-fast); }
tbody tr:hover { background: var(--navy-tint); }

td.num { text-align: right; font-weight: 500; }
td.endpoint { font-family: "SF Mono", Consolas, monospace; font-size: 12px; color: var(--text); }
td.uncertainty { color: var(--text-mute); font-size: 12px; }

/* Symbol classification coloring (ADMETlab +/- and DTL high/low) */
.sym {
  display: inline-block;
  padding: 2px 9px;
  border-radius: var(--r-sm);
  font-weight: 700;
  font-family: "SF Mono", Consolas, monospace;
  font-size: 12px;
  letter-spacing: 0.02em;
}
.sym.sym-high   { background: var(--red-soft);   color: var(--red); }
.sym.sym-medium { background: var(--amber-soft); color: var(--amber); }
.sym.sym-low    { background: var(--green-soft); color: var(--green); }

.value-low    { color: var(--green); font-weight: 600; }
.value-medium { color: var(--amber); font-weight: 600; }
.value-high   { color: var(--red);   font-weight: 600; }

/* ── Raw JSON panel ──────────────────────────────────────────────────────── */
.raw-panel summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  user-select: none;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.07em;
}
.raw-panel pre {
  background: linear-gradient(180deg, #1e2a38 0%, #18222f 100%);
  color: #e1e6ed;
  padding: 16px;
  border-radius: var(--r-md);
  font-size: 12px;
  font-family: "SF Mono", Consolas, monospace;
  overflow-x: auto;
  max-height: 380px;
  margin-top: 12px;
  border: 1px solid #0f1822;
  line-height: 1.55;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 20px 24px 28px;
  color: var(--text-faint);
  font-size: 12px;
  letter-spacing: 0.04em;
  border-top: 1px solid var(--border-soft);
  margin-top: 12px;
}

/* ── Structure preview modal ──────────────────────────────────────────────── */
.structure-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.structure-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 18, 28, 0.82);
  backdrop-filter: blur(2px);
  cursor: zoom-out;
}
#structure-modal-img {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: #fff;
  border-radius: var(--r-lg);
  padding: 14px;
  box-shadow: var(--shadow-lg);
  cursor: default;
}
.structure-modal-close {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  transition: background var(--t-base), transform var(--t-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.structure-modal-close:hover {
  background: rgba(255, 255, 255, 0.32);
  transform: scale(1.05);
}

/* ──────────────────────────────────────────────────────────────────────────
   Withdrawal reason prediction module
   Same palette · same scale · same motion curve as the rest of the app.
   Hidden by default; toggled on by app.js when the EFRI risk is "high".
   ────────────────────────────────────────────────────────────────────────── */
.reason-summary:not(.is-visible) { display: none; }
.reason-summary {
  border-left: 4px solid var(--navy);
  background: linear-gradient(180deg, #fbfdff 0%, #ffffff 100%);
}

.reason-summary .reason-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.reason-summary .reason-header h2 {
  margin: 0;
  border-bottom: none;
  padding-bottom: 0;
}
.reason-summary .reason-header .reason-sub {
  font-size: 12px;
  color: var(--text-mute);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.reason-summary .reason-body {
  display: grid;
  grid-template-columns: minmax(180px, 0.9fr) 2fr;
  gap: 20px;
  align-items: center;
}

.reason-summary .reason-hero {
  text-align: left;
}

.reason-summary .reason-predicted {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.reason-summary .reason-confidence {
  font-size: 12px;
  color: var(--text-mute);
  font-weight: 500;
}

.reason-summary .reason-bars {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.reason-summary .reason-row {
  display: grid;
  grid-template-columns: 120px 1fr 64px;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.reason-summary .reason-row .reason-label {
  color: var(--text);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.reason-summary .reason-row .reason-bar {
  height: 10px;
  background: var(--border-soft);
  border-radius: var(--r-pill);
  overflow: hidden;
  box-shadow: inset 0 1px 2px rgba(10, 61, 98, 0.08);
}

.reason-summary .reason-row .reason-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--navy-soft), var(--navy));
  border-radius: var(--r-pill);
  width: 0;
  transition: width var(--t-slow);
}

.reason-summary .reason-row.is-top .reason-bar-fill {
  background: linear-gradient(90deg, var(--navy), var(--navy-dark));
}
.reason-summary .reason-row.is-top .reason-label {
  font-weight: 700;
  color: var(--navy-dark);
}

.reason-summary .reason-row .reason-value {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  text-align: right;
  color: var(--text);
  font-weight: 600;
}

.reason-summary .reason-meta {
  grid-column: 1 / -1;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  font-size: 11px;
  color: var(--text-mute);
  letter-spacing: 0.02em;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .results-grid      { grid-template-columns: 1fr; }
  .sub-scores        { grid-template-columns: 1fr 1fr; }
  .efri-hero         { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .reason-summary .reason-body { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .sub-scores        { grid-template-columns: 1fr; }
  .container         { padding: 0 12px; }
  .topbar            { padding: 14px 16px; }
  .panel             { padding: 16px; }
  .efri-hero         { gap: 16px; padding: 14px 0 18px; }
}

/* ── Reduced motion ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
  .btn-primary:hover:not(:disabled),
  .btn-secondary:hover:not(:disabled),
  .score-card:hover,
  #structure-img:hover,
  .structure-modal-close:hover { transform: none; }
}