/* Signet — design éditorial : crème, encre, filets hairline.
   Display : Archivo (sans grotesque) · Texte : Source Serif. */

:root {
  --cream: #FAF9F5;
  --wash: #F0EEE6;
  --ink: #141413;
  --ink-2: #43423E;
  --muted: #87857C;
  --hairline: #E5E3DA;
  --clay: #D97757;
  --clay-deep: #B0532F;
  --sky: #6A9BCC;
  --oat: #E0D5C0;
  --danger: #9E3A2B;
  --serif: "Source Serif", "Iowan Old Style", Georgia, serif;
  --sans: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: #EFD8CB; }

a { color: var(--ink); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--clay-deep); }

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 3px;
}

h1, h2 { margin: 0; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 38px 32px 40px;
}

/* ---- Barre supérieure ---- */

.topbar { border-bottom: 1px solid var(--hairline); background: var(--cream); }

.topbar-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 18px 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }

.brand-i {
  height: 0.82em;
  width: auto;
  fill: var(--clay);
  margin: 0 0.06em;
  transform: translateY(0.04em);
}

.brand-large { font-size: 30px; }

.search { flex: 1; max-width: 440px; margin-left: auto; }

.search input {
  width: 100%;
  padding: 9px 18px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: #FFFFFF;
  font: inherit;
  font-size: 14px;
  color: var(--ink);
}
.search input::placeholder { color: var(--muted); }
.search input:focus {
  outline: none;
  border-color: var(--ink);
}

.topbar-actions { display: flex; align-items: center; gap: 10px; }

.topbar-nav { display: flex; align-items: center; gap: 18px; }
.topbar-nav a {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}
.topbar-nav a:hover { color: var(--ink); }
.topbar-nav .nav-active { color: var(--ink); border-bottom-color: var(--clay); }

/* ---- Boutons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:hover { text-decoration: none; }

.btn-primary { background: var(--ink); color: var(--cream); }
.btn-primary:hover { background: #33322F; color: var(--cream); }

.btn-ghost { background: transparent; border-color: var(--hairline); color: var(--ink-2); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); background: transparent; }

.btn-danger { background: transparent; border-color: var(--hairline); color: var(--danger); }
.btn-danger:hover { border-color: var(--danger); color: var(--danger); background: #F7EAE6; }

.btn-block { width: 100%; }

/* ---- En-tête de page, messages ---- */

.page-head {
  padding: 6px 0 26px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 26px;
}
.page-head h1 {
  font-size: clamp(34px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.04;
}
.page-sub { margin: 12px 0 0; color: var(--muted); font-size: 14px; }

.flash {
  margin: 0 0 8px;
  padding: 11px 18px;
  border: 1px solid;
  border-radius: 10px;
  font-size: 14px;
}
.flash:last-of-type { margin-bottom: 30px; }
.flash-success { background: #EEF0E4; border-color: #D6DABC; color: #4A5330; }
.flash-error { background: #F7EAE5; border-color: #E6C9BD; color: var(--danger); }

/* ---- Fil d'Ariane & navigation des cours ---- */

.crumbs {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: baseline;
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--ink); }
.crumbs [aria-current="page"] { color: var(--ink); }
.crumb-sep { color: var(--hairline); font-size: 13px; }

.folder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
  margin-bottom: 40px;
}

.folder-card {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 16px 18px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  background: #FFFFFF;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.folder-card:hover { border-color: var(--ink); color: var(--ink); }

.folder-icon {
  width: 26px;
  height: 26px;
  flex: none;
  fill: none;
  stroke: var(--clay);
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.folder-name {
  font-weight: 600;
  font-size: 14.5px;
  line-height: 1.3;
  flex: 1;
  min-width: 0;
}
.folder-count { font-size: 12px; color: var(--muted); white-space: nowrap; }

.card-hub {
  color: var(--clay-deep);
}

.courses-add { margin-top: 48px; padding-top: 26px; border-top: 1px solid var(--hairline); }

.results-line { margin: 0 0 30px; color: var(--muted); font-size: 14px; }
.results-line a { color: var(--clay-deep); font-weight: 600; }

/* ---- Bascule Lien / Note (formulaire d'ajout) ---- */

.switch-row {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: var(--wash);
  margin-bottom: 28px;
}

.kind-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  color: var(--ink-2);
  transition: background-color 0.15s ease, color 0.15s ease;
}
.kind-tab:hover { color: var(--ink); }
.kind-active { background: var(--ink); color: var(--cream); }
.kind-active:hover { color: var(--cream); }

/* ---- Tags ---- */

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
  max-height: 76px; /* ~2 lignes de chips ; dépliée via .tag-row-open (app.js) */
  overflow: hidden;
}
.tag-row:has(+ .tag-toggle) { margin-bottom: 12px; }
.tag-row-open { max-height: none; }

.tag-toggle {
  background: none;
  cursor: pointer;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  border-style: dashed;
  margin-bottom: 24px;
}
.tag-toggle:hover { color: var(--ink); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 14px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 500;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.chip:hover { background: var(--wash); border-color: var(--hairline); color: var(--ink); }
.chip-active { background: var(--ink); border-color: var(--ink); color: var(--cream); }
.chip-active:hover { background: var(--ink); color: var(--cream); }
.chip-count { font-size: 11px; color: var(--muted); }
.chip-active .chip-count { color: var(--cream); opacity: 0.65; }
.chip-small { font-size: 12px; padding: 3px 11px; }

/* ---- Grille de cartes ---- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 44px 28px;
}

.card { display: flex; flex-direction: column; }

.card-media {
  display: block;
  aspect-ratio: 16 / 10;
  border-radius: 12px;
  overflow: hidden;
  background: var(--wash);
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.card:hover .card-media img { transform: scale(1.03); }

.card-tile {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tile-0 { background: var(--clay); }
.tile-1 { background: var(--sky); }
.tile-2 { background: var(--oat); }
.tile-note { background: var(--wash); border: 1px solid var(--hairline); border-radius: 12px; }

.tile-pen {
  height: 74px;
  width: auto;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.2;
  stroke-linejoin: round;
  stroke-linecap: round;
  opacity: 0.85;
}

.tile-ribbon {
  height: 88px;
  width: auto;
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.5;
  stroke-linejoin: round;
}
.tile-letter {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, calc(-50% - 13px));
  font-family: var(--serif);
  font-size: 27px;
  font-weight: 600;
  color: var(--ink);
}

.card-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 10px;
  row-gap: 2px;
  margin: 16px 0 0;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.card-eyebrow a { color: var(--ink); }
.card-eyebrow a:hover { color: var(--clay-deep); }
.card-eyebrow .card-date {
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--muted);
  font-size: 12.5px;
}

.card-title {
  margin: 7px 0 0;
  font-family: var(--serif);
  font-size: 19.5px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.005em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-title a { color: var(--ink); }
.card-title a:hover { color: var(--clay-deep); }

.card-desc {
  margin: 7px 0 0;
  font-family: var(--serif);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-2);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta { margin: 10px 0 0; font-size: 12.5px; }
.card-domain { color: var(--muted); }
.card-domain:hover { color: var(--clay-deep); }

/* ---- Pagination ---- */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid var(--hairline);
}
.page-info { color: var(--muted); font-size: 13.5px; }

/* ---- État vide ---- */

.empty { text-align: center; padding: 70px 20px 80px; }

.empty-tile {
  width: 108px;
  height: 108px;
  margin: 0 auto;
  border-radius: 14px;
  background: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
}
.empty-tile .tile-ribbon { height: 56px; }

.empty h2 {
  margin: 26px 0 10px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.015em;
}
.empty p {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 16px;
  color: var(--ink-2);
}
.empty .btn { margin-top: 14px; }

/* ---- Formulaires ---- */

.narrow { max-width: 620px; margin: 0 auto; }

.form { display: flex; flex-direction: column; gap: 22px; }

.field { display: flex; flex-direction: column; gap: 7px; }

.field label, .field .label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}
.label-hint { font-weight: 400; color: var(--muted); }

.field input[type="text"],
.field input[type="url"],
.field input[type="password"],
.field textarea {
  padding: 11px 14px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: #FFFFFF;
  font: inherit;
  font-size: 14.5px;
  color: var(--ink);
  width: 100%;
  transition: border-color 0.15s ease;
}
.field textarea { resize: vertical; font-family: var(--serif); font-size: 15px; }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--ink);
}

.url-row { display: flex; gap: 10px; }
.url-row input { flex: 1; }

.hint { margin: 0; font-size: 13px; color: var(--muted); min-height: 1.2em; }
.hint-error { color: var(--danger); }

.form-image {
  max-width: 320px;
  border-radius: 10px;
  border: 1px solid var(--hairline);
  display: block;
}
.form-image[hidden] { display: none; }

.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-2); }
.check input { accent-color: var(--ink); }

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  padding-top: 26px;
  border-top: 1px solid var(--hairline);
}

.field input[type="file"] { font-size: 13.5px; color: var(--ink-2); }

/* ---- Page de détail ---- */

.detail { max-width: 720px; margin: 0 auto; padding-top: 36px; }

.back {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.back:hover { color: var(--ink); }

.detail-image {
  width: 100%;
  border-radius: 14px;
  margin: 22px 0 6px;
  display: block;
}

.eyebrow {
  margin: 26px 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}
.eyebrow .eyebrow-date {
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--muted);
}

.detail h1 {
  font-family: var(--serif);
  font-size: clamp(30px, 4.5vw, 42px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 18px;
}

.detail-desc {
  font-family: var(--serif);
  font-size: 17.5px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 22px;
}

.detail .card-tags { margin: 0 0 8px; display: flex; flex-wrap: wrap; gap: 8px; }
.card-tags { margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0 20px;
  padding-top: 28px;
  border-top: 1px solid var(--hairline);
}

.detail-url { font-size: 12.5px; word-break: break-all; }
.detail-url a { color: var(--muted); }
.detail-url a:hover { color: var(--clay-deep); }

/* ---- Corps de note (markdown rendu) ---- */

.note-body {
  font-family: var(--serif);
  font-size: 16.5px;
  line-height: 1.68;
  color: var(--ink);
  margin: 28px 0 8px;
  padding-top: 26px;
  border-top: 1px solid var(--hairline);
}

.note-body h2, .note-body h3, .note-body h4 {
  font-family: var(--sans);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 34px 0 12px;
}
.note-body h2 {
  font-size: 24px;
  font-weight: 700;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--hairline);
}
.note-body h3 { font-size: 18.5px; font-weight: 700; }
.note-body h4 { font-size: 15.5px; font-weight: 700; }

.note-body p { margin: 0 0 14px; }
.note-body a { color: var(--clay-deep); border-bottom: 1px solid #E6C9BD; }
.note-body a:hover { border-bottom-color: var(--clay-deep); }

.note-body ul, .note-body ol { margin: 0 0 14px; padding-left: 26px; }
.note-body li { margin-bottom: 5px; }
.note-body li > ul, .note-body li > ol { margin: 5px 0 0; }

.note-body blockquote {
  margin: 0 0 16px;
  padding: 12px 18px;
  border-left: 3px solid var(--oat);
  background: var(--wash);
  border-radius: 0 10px 10px 0;
  color: var(--ink-2);
  font-size: 15.5px;
}
.note-body blockquote p { margin: 0 0 6px; }
.note-body blockquote p:last-child { margin: 0; }

.note-body code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.86em;
  background: var(--wash);
  border: 1px solid var(--hairline);
  border-radius: 5px;
  padding: 1px 5px;
}

.note-body pre {
  margin: 0 0 16px;
  padding: 15px 18px;
  background: var(--ink);
  border-radius: 10px;
  overflow-x: auto;
}
.note-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--cream);
  font-size: 13px;
  line-height: 1.55;
}

.note-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 18px;
  font-size: 14.5px;
}
.note-body th, .note-body td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
.note-body th {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.note-body img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--hairline);
  margin: 4px 0 10px;
}

.note-body hr {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 28px 0;
}

/* ---- Éditeur de note ---- */

.editor {
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: #FFFFFF;
  overflow: hidden;
}
.editor:focus-within { border-color: var(--ink); }

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  padding: 7px 10px;
  border-bottom: 1px solid var(--hairline);
  background: var(--cream);
}

.editor-toolbar button {
  border: none;
  background: none;
  border-radius: 7px;
  padding: 5px 9px;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-2);
  cursor: pointer;
  line-height: 1.2;
  transition: background-color 0.12s ease, color 0.12s ease;
}
.editor-toolbar button:hover { background: var(--wash); color: var(--ink); }

.toolbar-sep {
  width: 1px;
  height: 18px;
  background: var(--hairline);
  margin: 0 7px;
}

.toolbar-preview {
  margin-left: auto;
  border: 1px solid var(--hairline) !important;
  padding: 5px 14px !important;
  border-radius: 999px !important;
}
.toolbar-preview:disabled { opacity: 0.5; cursor: wait; }

.note-editor {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace !important;
  font-size: 13.5px !important;
  line-height: 1.65;
  min-height: 460px;
  border: none !important;
  border-radius: 0 !important;
  resize: vertical;
}
.note-editor:focus { outline: none; }

.editor-preview {
  margin: 0;
  padding: 20px 24px;
  border-top: none;
  min-height: 460px;
}
.editor-preview[hidden] { display: none; }

/* ---- Connexion ---- */

.login-wrap {
  min-height: 76vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 40px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: #FFFFFF;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  padding: 44px 40px;
}
.login-card .brand { justify-content: center; width: 100%; }
.login-sub {
  text-align: center;
  font-family: var(--serif);
  color: var(--ink-2);
  font-size: 15px;
  margin: 10px 0 30px;
}
.login-card form { display: flex; flex-direction: column; gap: 18px; }
.login-card .btn { margin-top: 6px; }

/* ---- Pied de page ---- */

.footer { border-top: 1px solid var(--hairline); margin-top: 40px; }
.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 22px 32px 44px;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---- Responsive ---- */

@media (max-width: 720px) {
  .kind-tab { padding: 6px 12px; font-size: 12.5px; }
  .topbar-inner { flex-wrap: wrap; padding: 14px 20px; row-gap: 12px; }
  .brand { font-size: 17px; }
  .topbar-actions { margin-left: auto; }
  .topbar-actions .btn { padding: 8px 14px; font-size: 13px; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .container { padding: 26px 20px 32px; }
  .page-head { padding: 4px 0 20px; }
  .grid { grid-template-columns: 1fr 1fr; gap: 30px 16px; }
  .card-title { font-size: 16.5px; }
  .card-desc { display: none; }
  .tile-ribbon { height: 64px; }
  .tile-letter { font-size: 21px; transform: translate(-50%, calc(-50% - 9px)); }
  .url-row { flex-direction: column; }
  .form-actions { flex-direction: column; }
  .footer-inner { padding: 18px 20px 36px; }
}

@media (max-width: 460px) {
  .grid { grid-template-columns: 1fr; gap: 36px; }
  .card-desc { display: -webkit-box; }
  .tile-ribbon { height: 88px; }
  .tile-letter { font-size: 27px; transform: translate(-50%, calc(-50% - 13px)); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .card:hover .card-media img { transform: none; }
}