:root {
  --bg:        #f4f2ee;       /* fond page beige crème */
  --panel:     #ffffff;       /* cartes blanches */
  --panel-2:   #faf8f5;       /* hover doux */
  --ink:       #1c1917;       /* texte principal */
  --ink-2:     #44403c;       /* texte secondaire */
  --muted:     #78716c;       /* texte muet */
  --mute-2:    #a8a29e;       /* texte très muet */
  --border:    #ede8e2;       /* bordures fines */
  --border-2:  #d6d0c8;       /* bordures fortes */
  --accent:    #C9A96E;       /* or câble&son */
  --accent-2:  #b8924f;       /* or hover */
  --dark:      #1c1917;       /* topnav noir */
  --dark-2:    #2a2724;       /* topnav hover */
  --ok:        #4d9460;
  --ok-bg:     #ecf5ee;
  --warn:      #b8860b;
  --warn-bg:   #fdf6e3;
  --alert:     #c14242;
  --alert-bg:  #fbecec;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 13px/1.45 'IBM Plex Sans', 'Segoe UI', Inter, Roboto, sans-serif;
  min-height: 100vh;
}

/* ---------------------------------------------------------------- topnav */

.topnav {
  background: var(--dark);
  color: #fff;
  padding: 8px 18px;
  display: flex;
  align-items: center;
  gap: 18px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topnav .logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.12em;
  font-size: 14px;
}
.topnav .topnav-section {
  opacity: 0.6;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.topnav a {
  color: #d6d0c8;
  text-decoration: none;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 5px;
  transition: background 0.12s, color 0.12s;
}
.topnav a:hover { background: var(--dark-2); color: #fff; }
.topnav a.active { background: var(--dark-2); color: var(--accent); }

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

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 22px 48px;
}

.hd-eyebrow {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 4px;
}
.hd h1 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 0.005em;
  margin: 0 0 4px;
}
.hd-desc { margin: 0 0 14px; color: var(--muted); font-size: 13px; }

/* ---------------------------------------------------------------- form */

.form {
  display: flex;
  gap: 8px;
  margin: 12px 0 8px;
}
.input {
  flex: 1;
  padding: 9px 12px;
  font: inherit;
  font-size: 13px;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border-2);
  border-radius: 6px;
  outline: none;
  transition: border-color 0.12s, box-shadow 0.12s;
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(201, 169, 110, 0.18);
}

.btn {
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background 0.12s, opacity 0.12s, transform 0.04s;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:not(:disabled):active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}
.btn-primary:hover:not(:disabled) { background: var(--accent-2); }

.hint {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 8px 0 18px;
  padding: 7px 12px;
  background: var(--warn-bg);
  border: 1px solid #f0e3b8;
  border-radius: 6px;
  font-size: 12px;
  color: var(--ink-2);
}
.hint strong { color: var(--ink); }

/* ---------------------------------------------------------------- loading / error */

.loading {
  text-align: center;
  padding: 36px 12px;
  color: var(--muted);
}
.loading-hint { font-size: 12px; color: var(--mute-2); margin-top: 6px; }
.spinner {
  width: 26px; height: 26px;
  margin: 0 auto 12px;
  border: 3px solid var(--border-2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error {
  margin: 12px 0;
  padding: 10px 14px;
  background: var(--alert-bg);
  border: 1px solid #f1c4c4;
  border-radius: 6px;
  font-size: 13px;
}
.error-title { font-weight: 600; color: var(--alert); margin-bottom: 2px; }
.error-detail { color: var(--ink-2); font-size: 12px; }

/* ---------------------------------------------------------------- layout résultats */

.results {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 14px;
  margin-top: 12px;
  align-items: start;
}
@media (max-width: 880px) { .results { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- sidebar */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: sticky;
  top: 60px;
}
.sidebar-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}

.q-number {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 2px;
}
.q-name {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--ink);
}
.price-row { display: flex; align-items: baseline; gap: 3px; }
.price-amount {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
}
.price-cur { font-size: 13px; color: var(--muted); font-weight: 500; }
.price-meta { font-size: 11px; color: var(--mute-2); margin-top: 2px; }

/* ---------------------------------------------------------------- score / gauge */

.score-card { padding: 14px; }
.score-row { display: flex; align-items: center; gap: 14px; }

.gauge {
  --pct: 0;
  --color: var(--ok);
  flex-shrink: 0;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background:
    conic-gradient(var(--color) calc(var(--pct) * 1%), var(--border-2) 0);
  position: relative;
  display: inline-block;
  transition: --pct 0.6s ease;
}
.gauge::before {
  content: "";
  position: absolute;
  inset: 7px;
  background: var(--panel);
  border-radius: 50%;
}
.gauge-pct {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  z-index: 1;
}
.gauge-pct span:after { content: ''; }

.score-stats {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.stat {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--muted);
}
.stat-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 16px;
  min-width: 22px;
  text-align: right;
}
.stat-label { letter-spacing: 0.05em; text-transform: uppercase; font-size: 10px; }
.stat-ok   .stat-num { color: var(--ok); }
.stat-warn .stat-num { color: var(--warn); }
.stat-err  .stat-num { color: var(--alert); }

.verdict {
  margin-top: 10px;
  padding: 5px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}
.verdict-ok    { background: var(--ok-bg);    color: var(--ok); }
.verdict-warn  { background: var(--warn-bg);  color: var(--warn); }
.verdict-error { background: var(--alert-bg); color: var(--alert); }

/* ---------------------------------------------------------------- type/systèmes */

.block-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.tag {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 3px;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--border);
  color: var(--ink-2);
}
.tag-ok     { background: var(--ok-bg);    color: var(--ok); }
.tag-warn   { background: var(--warn-bg);  color: var(--warn); }
.tag-accent { background: rgba(201,169,110,0.18); color: var(--accent-2); }

.toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; }
.toggle-btn {
  background: var(--panel-2);
  border: 1px solid var(--border-2);
  border-radius: 5px;
  padding: 5px 6px;
  font: inherit;
  cursor: pointer;
  color: var(--ink-2);
  display: flex;
  flex-direction: column;
  gap: 1px;
  transition: all 0.12s;
}
.toggle-btn:hover { border-color: var(--accent); }
.toggle-btn.is-active {
  background: rgba(201,169,110,0.10);
  border-color: var(--accent);
  color: var(--ink);
}
.toggle-title { font-size: 12px; font-weight: 600; }
.toggle-sub   { font-size: 10px; color: var(--mute-2); }
.toggle-btn.is-active .toggle-sub { color: var(--accent-2); }
.block-hint { margin-top: 6px; font-size: 11px; color: var(--mute-2); font-style: italic; }

.systems { display: flex; flex-wrap: wrap; gap: 4px; }
.system-chip {
  padding: 3px 7px;
  font-size: 11px;
  background: rgba(201,169,110,0.10);
  color: var(--accent-2);
  border: 1px solid rgba(201,169,110,0.30);
  border-radius: 3px;
  font-weight: 500;
}

/* ---------------------------------------------------------------- checklist */

.checklist { display: flex; flex-direction: column; gap: 8px; }

.section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.15s;
}
.section-error { border-left: 3px solid var(--alert); }
.section-warn  { border-left: 3px solid var(--warn); }
.section-ok    { border-left: 3px solid var(--ok); }

.section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink);
  text-align: left;
  font: inherit;
  font-size: 13px;
}
.section-header:hover { background: var(--panel-2); }
.section-icon { font-size: 16px; line-height: 1; }
.section-titlewrap { flex: 1; }
.section-title { display: block; font-weight: 600; }
.section-sub   { display: block; font-size: 11px; color: var(--mute-2); margin-top: 1px; }

.section-counts { display: flex; gap: 3px; }
.pill {
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 999px;
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}
.pill-ok    { background: var(--ok-bg);    color: var(--ok); }
.pill-warn  { background: var(--warn-bg);  color: var(--warn); }
.pill-error { background: var(--alert-bg); color: var(--alert); }

.section-chev {
  width: 14px;
  height: 14px;
  color: var(--mute-2);
  transition: transform 0.18s;
}
.section[data-open="true"] .section-chev { transform: rotate(180deg); }

.checks {
  list-style: none;
  margin: 0;
  padding: 4px 14px 10px;
  border-top: 1px solid var(--border);
}
.check {
  display: flex;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
.check:last-child { border-bottom: none; }
.check-icon {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  border-radius: 50%;
  margin-top: 1px;
}
.icon-ok    { background: var(--ok-bg);    color: var(--ok); }
.icon-warn  { background: var(--warn-bg);  color: var(--warn); }
.icon-error { background: var(--alert-bg); color: var(--alert); }
.check-label { font-weight: 500; font-size: 13px; }
.check-detail { font-size: 12px; color: var(--muted); margin-top: 1px; line-height: 1.4; }