/* ============================================================
   Atelier — feuille de style
   Direction : table à dessin technique. Graphite + bleu de plan,
   relevés numériques en monospace (la signature), filets fins.
   ============================================================ */

:root {
  --ink:        #14171c;   /* graphite profond — fond atelier */
  --ink-soft:   #1c2127;   /* panneaux */
  --paper:      #f2efe8;   /* feuille / texte clair */
  --paper-dim:  #b9bcc2;   /* texte secondaire */
  --line:       #2c333d;   /* filets sur fond sombre */
  --blueprint:  #5b8cff;   /* bleu de plan — accent technique */
  --signal:     #e8804a;   /* ambre — action principale */
  --ok:         #57b894;

  --mono: ui-monospace, "SF Mono", "Menlo", "Consolas", monospace;
  --sans: "Helvetica Neue", Arial, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.32em;
  font-weight: 600;
}
.wordmark .dot { color: var(--signal); }
.topbar-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--paper-dim);
  text-transform: uppercase;
}

/* Bandeau utilisateur (email + déconnexion) */
.topbar-user { display: flex; align-items: baseline; gap: 16px; text-transform: none; }
.user-email { color: var(--paper-dim); }
.logout {
  color: var(--blueprint);
  text-decoration: none;
  border-bottom: 1px solid var(--blueprint);
  padding-bottom: 1px;
}
.logout:hover { filter: brightness(1.15); }

/* ---------- Page de connexion ---------- */
.auth-wrap {
  min-height: calc(100vh - 61px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 360px;
  background: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 28px 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.auth-field { display: flex; flex-direction: column; gap: 6px; }
.auth-input {
  width: 100%;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 11px 12px;
  font-family: var(--sans);
  font-size: 14px;
}
.auth-input:focus-visible { outline: 2px solid var(--blueprint); outline-offset: 1px; }
.auth-card .generate { margin-top: 6px; }
.auth-error {
  color: var(--signal);
  border-left: 2px solid var(--signal);
  padding-left: 10px;
}
.auth-note { color: var(--paper-dim); margin-top: 2px; }

/* ============================================================
   Back-office (admin)
   ============================================================ */
.admin-tag {
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--signal);
  border: 1px solid var(--signal);
  border-radius: 2px;
  padding: 1px 6px;
  margin-left: 6px;
}
.admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}
.admin-nav a {
  background: var(--ink-soft);
  color: var(--paper-dim);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  padding: 12px 18px;
}
.admin-nav a:hover { color: var(--paper); }
.admin-nav a.active { color: var(--ink); background: var(--blueprint); font-weight: 600; }

.admin-main { max-width: 920px; margin: 0 auto; padding: 28px 24px 64px; }
.admin-h1 {
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin: 0 0 18px;
}
.admin-h2 {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blueprint);
  margin: 0 0 14px;
}
.admin-intro { color: var(--paper-dim); font-size: 14px; line-height: 1.6; margin: 0 0 22px; }
.admin-block {
  background: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 20px;
  margin-bottom: 22px;
}

/* Cartes du tableau de bord */
.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}
.admin-card {
  background: var(--ink-soft);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 18px;
  text-decoration: none;
  color: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color .15s;
}
.admin-card:hover { border-color: var(--blueprint); }
.admin-card-k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--paper-dim); }
.admin-card-v { font-size: 26px; font-family: var(--mono); color: var(--blueprint); }
.admin-card-m { font-size: 12px; color: var(--paper-dim); }

/* Formulaires admin */
.admin-form { display: flex; flex-direction: column; gap: 16px; max-width: 620px; }
.admin-form-inline { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.admin-field { display: flex; flex-direction: column; gap: 6px; }
.admin-label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; color: var(--paper); }
.admin-textarea {
  width: 100%;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 12px;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
}
.admin-textarea:focus-visible { outline: 2px solid var(--blueprint); outline-offset: 1px; }
.admin-check, .admin-check-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--paper); }
.admin-pre { white-space: pre-wrap; color: var(--paper-dim); font-size: 12px; margin: 12px 0 0; }
.generate.ghost { background: transparent; border: 1px solid var(--line); color: var(--paper-dim); }
.generate.ghost:hover { border-color: var(--signal); color: var(--paper); filter: none; }

/* Tableaux admin */
.admin-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.admin-table th, .admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.admin-table th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.admin-table tr.row-off { opacity: 0.5; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.admin-actions .inline { display: inline; }
.link-btn {
  background: none;
  border: none;
  color: var(--blueprint);
  font-family: var(--mono);
  font-size: 12px;
  cursor: pointer;
  padding: 0;
  text-decoration: none;
}
.link-btn:hover { text-decoration: underline; }
.link-btn.danger { color: var(--signal); }
.link-btn:disabled { color: var(--line); cursor: not-allowed; text-decoration: none; }
.badge { font-family: var(--mono); font-size: 10px; padding: 1px 5px; border: 1px solid var(--line); border-radius: 2px; color: var(--paper-dim); }
.badge.admin { color: var(--signal); border-color: var(--signal); }
.ok-dot { color: var(--ok); }
.off-dot { color: var(--paper-dim); }

/* Messages flash */
.admin-flash {
  border-radius: 2px;
  padding: 12px 14px;
  margin: 0 0 20px;
  font-size: 14px;
  border-left: 3px solid;
}
.admin-flash.ok { border-color: var(--ok); color: var(--ok); background: rgba(87,184,148,0.08); }
.admin-flash.error { border-color: var(--signal); color: var(--signal); background: rgba(232,128,74,0.08); }

/* Grille des images de référence */
.ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
.ref-item { margin: 0; display: flex; flex-direction: column; gap: 6px; }
.ref-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border: 1px solid var(--line); background: var(--paper); }

/* Grille de l'historique des rendus */
.hist-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; }
.hist-item { margin: 0; background: var(--ink-soft); border: 1px solid var(--line); border-radius: 2px; overflow: hidden; }
.hist-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; background: var(--paper); }
.hist-meta { display: flex; flex-direction: column; gap: 4px; padding: 10px 12px; }
.hist-actions { display: flex; gap: 12px; margin-top: 4px; }

/* ---------- Workspace ---------- */
.workspace {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1px;
  background: var(--line);          /* le gap devient un filet */
  min-height: calc(100vh - 61px);
}

/* ---------- Panneau de contrôle ---------- */
.panel {
  background: var(--ink-soft);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.control-block { display: flex; flex-direction: column; gap: 12px; }

.eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blueprint);
}

/* Dropzone */
.dropzone {
  border: 1.5px dashed var(--line);
  border-radius: 2px;
  padding: 26px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone:focus-visible,
.dropzone.dragover {
  border-color: var(--blueprint);
  background: rgba(91,140,255,0.06);
  outline: none;
}
.dropzone-hint { font-size: 13px; color: var(--paper-dim); }

/* Select */
.select {
  width: 100%;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 10px 12px;
  font-family: var(--sans);
  font-size: 14px;
}
.select:focus-visible { outline: 2px solid var(--blueprint); outline-offset: 1px; }

/* Sliders */
.slider-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 6px 10px;
}
.slider-label { font-size: 13px; color: var(--paper); }
.readout {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--blueprint);
  justify-self: end;
  min-width: 3.4ch;
  text-align: right;
}
.slider-row input[type="range"] {
  grid-column: 1 / -1;
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  height: 2px;
  background: var(--line);
  margin: 4px 0 0;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--blueprint);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--blueprint);
  cursor: pointer;
}

.micro {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--paper-dim);
}

/* Segmented (mode géométrie) */
.segmented {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.seg {
  background: var(--ink);
  color: var(--paper-dim);
  border: none;
  padding: 8px 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
}
.seg + .seg { border-left: 1px solid var(--line); }
.seg.active { background: var(--blueprint); color: var(--ink); font-weight: 600; }

/* Bouton générer */
.generate {
  margin-top: auto;
  background: var(--signal);
  color: var(--ink);
  border: none;
  border-radius: 2px;
  padding: 14px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: filter .15s;
}
.generate:hover:not(:disabled) { filter: brightness(1.08); }
.generate:disabled { background: var(--line); color: var(--paper-dim); cursor: not-allowed; }
.generate.loading { color: transparent; position: relative; }
.generate.loading::after {
  content: ""; position: absolute; inset: 0; margin: auto;
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid var(--ink); border-top-color: transparent;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.status { min-height: 1.2em; }
.status.error { color: var(--signal); }
.status.ok { color: var(--ok); }

/* ---------- Sheet (aperçu) ---------- */
.sheet {
  background: var(--ink);
  padding: 28px;
  display: flex;
}
.sheet-inner {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  align-content: start;
}
.preview { margin: 0; position: relative; }
.preview-cap {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 8px;
}
.preview img {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  background: var(--paper);
}
.download {
  display: inline-block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blueprint);
  text-decoration: none;
  border-bottom: 1px solid var(--blueprint);
  padding-bottom: 1px;
}

/* État vide : feuille avec coins techniques */
.empty {
  position: relative;
  grid-column: 1 / -1;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
}
.empty p {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper-dim);
  text-align: center;
  line-height: 1.8;
}
.corner { position: absolute; width: 14px; height: 14px; border: 1px solid var(--blueprint); }
.corner.tl { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.corner.tr { top: 8px; right: 8px; border-left: 0; border-bottom: 0; }
.corner.bl { bottom: 8px; left: 8px; border-right: 0; border-top: 0; }
.corner.br { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }

/* ---------- Debug ---------- */
.debug {
  background: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding: 14px 28px;
  font-family: var(--mono);
  font-size: 12px;
}
.debug summary { cursor: pointer; color: var(--paper-dim); letter-spacing: 0.08em; }
.debug pre { white-space: pre-wrap; color: var(--paper-dim); margin: 12px 0 0; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .workspace { grid-template-columns: 1fr; }
  .panel { padding: 22px 18px; }
  .generate { margin-top: 8px; }
}

/* ---------- Accessibilité ---------- */
@media (prefers-reduced-motion: reduce) {
  .generate.loading::after { animation: none; }
  * { transition: none !important; }
}