/* ============================================================================
   KUN THEME — feuille de style commune aux applications "Kun" (KunMail, Revokun…)
   Deux thèmes : data-theme="sobre" (défaut) et data-theme="indigo"
   Usage : <html data-theme="sobre"> + <link rel="stylesheet" href="kun-theme.css">
   ============================================================================ */

/* ---------- 1. TOKENS ---------- */

:root,
[data-theme="sobre"] {
  /* surfaces */
  --km-bg-app:        #f6f6f8;
  --km-bg-toolbar:    #fbfbfc;
  --km-bg-sidebar:    #efeff2;
  --km-bg-panel:      #ffffff;
  --km-bg-aside:      #fbfbfc;
  --km-bg-subtle:     #f7f7f9;
  --km-bg-inset:      #eeeef1;

  /* bordures */
  --km-border:        #e3e4e8;
  --km-border-soft:   #f0f0f2;

  /* texte */
  --km-text:          #1d1d1f;
  --km-text-2:        #3c3f44;
  --km-text-3:        #8a8d94;
  --km-text-4:        #a0a3aa;

  /* accent */
  --km-accent:        #0a66d0;
  --km-accent-strong: #0a4faf;
  --km-accent-soft:   #e2e8f5;
  --km-accent-tint:   #eef4fd;
  --km-on-accent:     #ffffff;
  --km-accent-grad:   #0a66d0;

  /* sidebar (thème clair : sidebar claire) */
  --km-sidebar-text:      #3c3f44;
  --km-sidebar-text-2:    #6e7076;
  --km-sidebar-active-bg:  var(--km-accent-soft);
  --km-sidebar-active-text: var(--km-accent-strong);
  --km-toolbar-text:      #3c3f44;
  --km-toolbar-input-bg:  #eeeef1;

  /* statuts */
  --km-ok:      #1f6d38;   --km-ok-bg:      #d9f0df;
  --km-warn:    #a1541a;   --km-warn-bg:    #fce8d8;
  --km-info:    #5a4fb0;   --km-info-bg:    #e8e5f8;
  --km-alert:   #c2452e;

  /* classement (pastels + liseré) — significatifs, ne pas réassigner au hasard */
  --km-cat1-bg: #fdfbf2;  --km-cat1-line: #e8d48a;   /* jaune  */
  --km-cat2-bg: #f4faf4;  --km-cat2-line: #9fd3a8;   /* vert   */
  --km-cat3-bg: #fdf6f2;  --km-cat3-line: #f0b48a;   /* orange */
  --km-cat4-bg: #f3f0fb;  --km-cat4-line: #b98add;   /* violet */

  /* forme & profondeur */
  --km-radius-sm: 6px;
  --km-radius:    8px;
  --km-radius-lg: 10px;
  --km-radius-pill: 14px;
  --km-shadow:    0 1px 2px rgba(0,0,0,0.04);
  --km-row-selected-marker: 3px solid var(--km-accent);

  /* typo */
  --km-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --km-fs-micro: 10px;
  --km-fs-meta:  11px;
  --km-fs-ui:    12px;
  --km-fs-row:   13px;
  --km-fs-body:  14px;
  --km-fs-title: 17px;
  --km-lh-body:  1.65;
}

[data-theme="indigo"] {
  --km-bg-app:        #fafafc;
  --km-bg-toolbar:    #2c4272;
  --km-bg-sidebar:    linear-gradient(135deg, #2c4272 0%, #0d1220 100%);
  --km-bg-panel:      #ffffff;
  --km-bg-aside:      #f4f4f8;
  --km-bg-subtle:     #f7f7fa;
  --km-bg-inset:      #f0f0f4;

  --km-border:        #e6e7ee;
  --km-border-soft:   #f0f0f2;

  --km-text:          #1d1d1f;
  --km-text-2:        #2c2e33;
  --km-text-3:        #8a8d94;
  --km-text-4:        #a0a3aa;

  --km-accent:        #5157e8;
  --km-accent-strong: #3a3fd0;
  --km-accent-soft:   #e6e8fd;
  --km-accent-tint:   #eef0fe;
  --km-on-accent:     #ffffff;
  --km-accent-grad:   linear-gradient(135deg, #5157e8, #8a5cf5);

  --km-sidebar-text:      #b8bacb;
  --km-sidebar-text-2:    #8d90a5;
  --km-sidebar-active-bg:  #5157e8;
  --km-sidebar-active-text: #ffffff;
  --km-toolbar-text:      #e4ebf7;
  --km-toolbar-input-bg:  rgba(255,255,255,0.14);

  --km-ok:      #1f6d38;   --km-ok-bg:      #d9f0df;
  --km-warn:    #a1541a;   --km-warn-bg:    #fce8d8;
  --km-info:    #5a4fb0;   --km-info-bg:    #e8e5f8;
  --km-alert:   #c2452e;

  /* en Indigo, le classement passe par des BADGES : fond neutre, teinte sur le badge */
  --km-cat1-bg: transparent;  --km-cat1-line: #e8d48a;
  --km-cat2-bg: transparent;  --km-cat2-line: #9fd3a8;
  --km-cat3-bg: transparent;  --km-cat3-line: #f0b48a;
  --km-cat4-bg: transparent;  --km-cat4-line: #b98add;
  --km-cat1-badge-bg: #fbf1cf; --km-cat1-badge-fg: #8a6d1f;
  --km-cat2-badge-bg: #d9f0df; --km-cat2-badge-fg: #1f6d38;
  --km-cat3-badge-bg: #fce8d8; --km-cat3-badge-fg: #a1541a;
  --km-cat4-badge-bg: #e8e5f8; --km-cat4-badge-fg: #5a4fb0;

  --km-radius-sm: 6px;
  --km-radius:    8px;
  --km-radius-lg: 12px;
  --km-radius-pill: 999px;
  --km-shadow:    0 1px 3px rgba(28,29,38,0.08);
  --km-row-selected-marker: 3px solid var(--km-accent);
}

/* défauts de badge pour le thème sobre (pastel discret) */
[data-theme="sobre"] {
  --km-cat1-badge-bg: #fbf1cf; --km-cat1-badge-fg: #8a6d1f;
  --km-cat2-badge-bg: #e2f2e5; --km-cat2-badge-fg: #1f6d38;
  --km-cat3-badge-bg: #fce8d8; --km-cat3-badge-fg: #a1541a;
  --km-cat4-badge-bg: #e8e5f8; --km-cat4-badge-fg: #5a4fb0;
}

/* ---------- 2. BASE ---------- */

body {
  margin: 0;
  font-family: var(--km-font);
  font-size: var(--km-fs-body);
  color: var(--km-text);
  background: var(--km-bg-app);
  -webkit-font-smoothing: antialiased;
}
a         { color: var(--km-accent); text-decoration: none; }
a:hover   { color: var(--km-accent-strong); text-decoration: underline; }
* , *::before, *::after { box-sizing: border-box; }

/* ---------- 3. COMPOSANTS ---------- */

/* Coque 4 colonnes */
.km-shell    { display: flex; flex-direction: column; height: 100vh; background: var(--km-bg-app); }
.km-body     { display: flex; flex: 1; min-height: 0; }

/* Toolbar */
.km-toolbar  {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 16px;
  background: var(--km-bg-toolbar);
  border-bottom: 1px solid var(--km-border);
  color: var(--km-toolbar-text);
}
[data-theme="indigo"] .km-toolbar { border-bottom-color: rgba(0,0,0,0.22); }
.km-toolbar__title { font-size: var(--km-fs-body); font-weight: 700; color: var(--km-toolbar-text); }
[data-theme="indigo"] .km-toolbar__title { color: #fff; }
.km-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--km-toolbar-input-bg);
  border: 1px solid var(--km-border);
  border-radius: var(--km-radius);
  padding: 6px 12px; width: 420px;
  font-size: var(--km-fs-row); color: var(--km-text-3);
}
[data-theme="indigo"] .km-search { border-color: transparent; color: var(--km-sidebar-text-2); }
.km-actions  { display: flex; gap: 2px; background: var(--km-bg-inset); border-radius: var(--km-radius); padding: 3px; }
[data-theme="indigo"] .km-actions { background: rgba(255,255,255,0.10); gap: 2px; padding: 3px; }
[data-theme="indigo"] .km-actions > * { color: #e4ebf7; font-weight: 500; padding: 5px 11px; }
[data-theme="indigo"] .km-actions > *:hover { background: rgba(255,255,255,0.16); }
.km-actions > * { padding: 5px 10px; font-size: var(--km-fs-ui); color: var(--km-toolbar-text); border-radius: var(--km-radius-sm); }

/* Boutons */
.km-btn {
  font-family: inherit; font-size: var(--km-fs-ui); font-weight: 600;
  border: 0; border-radius: var(--km-radius); padding: 7px 14px; cursor: pointer;
  color: var(--km-on-accent); background: var(--km-accent);
}
.km-btn:hover { filter: brightness(1.06); }
.km-btn--ghost { background: transparent; color: var(--km-text-2); border: 1px solid var(--km-border); font-weight: 500; }

/* Sidebar */
.km-sidebar  {
  width: 216px; flex-shrink: 0; padding: 14px 10px;
  background: var(--km-bg-sidebar);
  border-right: 1px solid var(--km-border);
  display: flex; flex-direction: column; gap: 2px;
  color: var(--km-sidebar-text);
}

[data-theme="indigo"] .km-sidebar { border-right-color: rgba(0,0,0,0.3); }
.km-sidebar__label {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 10px; font-size: var(--km-fs-meta); font-weight: 700;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--km-sidebar-text-2);
}
.km-nav {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: var(--km-radius-sm);
  font-size: var(--km-fs-row); color: var(--km-sidebar-text); cursor: pointer;
}
.km-nav--nested { padding-left: 26px; }
.km-nav:hover { background: rgba(125,125,140,0.14); }
.km-nav[aria-current="true"] {
  background: var(--km-sidebar-active-bg);
  color: var(--km-sidebar-active-text);
  font-weight: 600;
}
.km-nav__count { margin-left: auto; font-size: var(--km-fs-meta); opacity: 0.75; }
.km-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* Liste de messages */
.km-list    { width: 352px; flex-shrink: 0; background: var(--km-bg-panel); border-right: 1px solid var(--km-border); display: flex; flex-direction: column; }
.km-filters { display: flex; gap: 14px; padding: 12px 14px 0; border-bottom: 1px solid var(--km-border-soft); }
.km-filter  { font-size: var(--km-fs-ui); font-weight: 500; color: var(--km-text-3); padding-bottom: 8px; cursor: pointer; border-bottom: 2px solid transparent; }
.km-filter[aria-selected="true"] { color: var(--km-accent); font-weight: 600; border-bottom-color: var(--km-accent); }
/* variante pilules (Indigo) */
[data-theme="indigo"] .km-filters { gap: 8px; padding: 12px 14px; border-bottom: 1px solid var(--km-border-soft); }
[data-theme="indigo"] .km-filter  { border: 0; padding: 4px 12px; background: var(--km-bg-inset); border-radius: var(--km-radius-pill); color: var(--km-text-2); }
[data-theme="indigo"] .km-filter[aria-selected="true"] { background: var(--km-accent); color: var(--km-on-accent); }

.km-row {
  padding: 10px 14px; border-bottom: 1px solid var(--km-border-soft);
  display: flex; flex-direction: column; gap: 2px; cursor: pointer;
  border-left: 3px solid transparent;
}
.km-row:hover { background: var(--km-bg-subtle); }
.km-row__top     { display: flex; align-items: baseline; gap: 8px; }
.km-row__from    { font-size: var(--km-fs-row); font-weight: 600; color: var(--km-text); }
.km-row__date    { margin-left: auto; font-size: var(--km-fs-meta); color: var(--km-text-4); }
.km-row__subject { font-size: var(--km-fs-row); color: var(--km-text); }
.km-row__snippet { font-size: var(--km-fs-ui); color: var(--km-text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.km-row__unread  { width: 7px; height: 7px; border-radius: 50%; background: var(--km-accent); flex-shrink: 0; }
.km-row[aria-selected="true"] {
  background: var(--km-accent-tint);
  border-left: var(--km-row-selected-marker);
}
.km-row[aria-selected="true"] .km-row__from { color: var(--km-accent-strong); font-weight: 700; }
.km-row[aria-selected="true"] .km-row__subject { font-weight: 600; }

/* Classement : .km-row--cat1…cat4 (pastel + liseré en Sobre, neutre en Indigo) */
.km-row--cat1 { background: var(--km-cat1-bg); border-left-color: var(--km-cat1-line); }
.km-row--cat2 { background: var(--km-cat2-bg); border-left-color: var(--km-cat2-line); }
.km-row--cat3 { background: var(--km-cat3-bg); border-left-color: var(--km-cat3-line); }
.km-row--cat4 { background: var(--km-cat4-bg); border-left-color: var(--km-cat4-line); }
[data-theme="indigo"] .km-row--cat1,
[data-theme="indigo"] .km-row--cat2,
[data-theme="indigo"] .km-row--cat3,
[data-theme="indigo"] .km-row--cat4 { border-left-color: transparent; }

/* Badges de catégorie */
.km-badge {
  display: inline-block; font-size: var(--km-fs-micro); font-weight: 600;
  border-radius: 4px; padding: 2px 8px; white-space: nowrap;
}
.km-badge--cat1 { background: var(--km-cat1-badge-bg); color: var(--km-cat1-badge-fg); }
.km-badge--cat2 { background: var(--km-cat2-badge-bg); color: var(--km-cat2-badge-fg); }
.km-badge--cat3 { background: var(--km-cat3-badge-bg); color: var(--km-cat3-badge-fg); }
.km-badge--cat4 { background: var(--km-cat4-badge-bg); color: var(--km-cat4-badge-fg); }
.km-badge--accent { background: var(--km-accent-soft); color: var(--km-accent-strong); }

/* Volet de lecture */
.km-reader        { flex: 1; min-width: 420px; background: var(--km-bg-panel); border-right: 1px solid var(--km-border); display: flex; flex-direction: column; overflow: auto; }
.km-reader__head  { padding: 20px 28px 14px; border-bottom: 1px solid var(--km-border-soft); }
.km-reader__title { font-size: var(--km-fs-title); font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; margin: 0; }
[data-theme="indigo"] .km-reader__title { font-size: 19px; }
.km-reader__meta  { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; margin-top: 6px; font-size: var(--km-fs-ui); color: var(--km-text-3); }
.km-reader__body  { padding: 20px 28px; font-size: var(--km-fs-body); line-height: var(--km-lh-body); color: var(--km-text-2); }
.km-avatar        { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 15px; flex-shrink: 0; background: var(--km-accent-soft); color: var(--km-accent-strong); }
[data-theme="indigo"] .km-avatar { background: var(--km-accent); color: #fff; }

/* Tableau clé/valeur (données de formulaire) */
.km-kv {
  display: grid; grid-template-columns: minmax(110px, 150px) 1fr; gap: 0;
  border: 1px solid var(--km-border); border-radius: var(--km-radius-lg);
  overflow: hidden; font-size: var(--km-fs-row); margin: 0 0 16px;
}
.km-kv dt { padding: 9px 14px; background: var(--km-bg-subtle); color: var(--km-text-3); border-bottom: 1px solid var(--km-border-soft); margin: 0; }
.km-kv dd { padding: 9px 14px; font-weight: 600; border-bottom: 1px solid var(--km-border-soft); margin: 0; }
.km-kv dt:nth-last-of-type(1), .km-kv dd:nth-last-of-type(1) { border-bottom: 0; }

/* Panneau assistant (IA) */
.km-aside        { width: 300px; flex-shrink: 0; background: var(--km-bg-aside); padding: 16px; display: flex; flex-direction: column; gap: 14px; overflow: auto; }
.km-aside__head  { display: flex; align-items: center; gap: 8px; }
.km-aside__mark  { width: 26px; height: 26px; border-radius: var(--km-radius); background: var(--km-accent-grad); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; }
.km-card         { background: #fff; border: 1px solid var(--km-border); border-radius: var(--km-radius-lg); padding: 14px; display: flex; flex-direction: column; gap: 10px; }
[data-theme="indigo"] .km-card { border-color: transparent; box-shadow: var(--km-shadow); }
.km-card__title  { font-size: var(--km-fs-meta); font-weight: 700; color: var(--km-text-3); text-transform: uppercase; letter-spacing: 0.05em; }
[data-theme="indigo"] .km-card__title { font-size: var(--km-fs-ui); color: var(--km-text); text-transform: none; letter-spacing: 0; }
/* champ de résumé : libellé + valeur, jamais de markdown brut */
.km-field        { display: flex; gap: 10px; }
.km-field__bar   { width: 3px; border-radius: 2px; background: var(--km-accent); flex-shrink: 0; }
[data-theme="sobre"] .km-field__bar { display: none; }
.km-field__label { font-size: var(--km-fs-meta); font-weight: 600; color: var(--km-accent); }
.km-field__value { font-size: var(--km-fs-ui); color: var(--km-text-2); line-height: 1.45; }
.km-field--warn .km-field__bar, .km-field--warn .km-field__label { background: var(--km-warn); color: var(--km-warn); }
.km-field--ok   .km-field__bar, .km-field--ok   .km-field__label { background: var(--km-ok);   color: var(--km-ok); }
.km-input {
  font-family: inherit; font-size: var(--km-fs-ui); color: var(--km-text);
  border: 1px solid var(--km-border); border-radius: var(--km-radius); padding: 10px;
  min-height: 52px; background: #fff; resize: vertical;
}
.km-input::placeholder { color: var(--km-text-4); }
.km-input:focus { outline: 2px solid var(--km-accent-soft); border-color: var(--km-accent); }
.km-chips { display: flex; gap: 6px; flex-wrap: wrap; }
.km-chip  { font-size: var(--km-fs-meta); color: var(--km-text-2); background: var(--km-bg-inset); border-radius: var(--km-radius-pill); padding: 3px 10px; cursor: pointer; border: 0; font-family: inherit; }
.km-chip[aria-pressed="true"] { background: var(--km-accent); color: var(--km-on-accent); font-weight: 600; }

/* Sélecteur de thème (Réglages) */
.km-themepick     { display: flex; gap: 12px; }
.km-themepick__opt{ flex: 1; border: 1px solid var(--km-border); border-radius: var(--km-radius-lg); padding: 12px; cursor: pointer; background: #fff; text-align: left; font-family: inherit; }
.km-themepick__opt[aria-checked="true"] { border-color: var(--km-accent); box-shadow: 0 0 0 3px var(--km-accent-soft); }
.km-themepick__swatches { display: flex; gap: 4px; margin-bottom: 8px; }
.km-themepick__swatches span { width: 22px; height: 22px; border-radius: var(--km-radius-sm); display: block; }
.km-themepick__name { font-size: var(--km-fs-row); font-weight: 600; color: var(--km-text); }
.km-themepick__desc { font-size: var(--km-fs-meta); color: var(--km-text-3); }

@media (prefers-reduced-motion: no-preference) {
  .km-nav, .km-row, .km-btn, .km-chip { transition: background-color .12s ease, color .12s ease; }
}
