/* Portefeuille Bourse — styles : thème clair + thème sombre (bascule #theme-toggle). */
:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --card2: #ffffff;
  --ink: #1f2430;
  --muted: #6b7280;
  --line: #e3e6eb;
  --green: #2e7d32;
  --red: #c62828;
  --accent: #2563eb;
  --chipbg: #eef1f5;
  --shadow: none;
}
[data-theme="dark"] {
  --bg: #0e1420;
  --card: #171f2e;
  --card2: #182234;
  --ink: #dfe6f2;
  --muted: #8b95a7;
  --line: #27324a;
  --green: #3fbf7f;
  --red: #ef8b7d;
  --accent: #4a90d9;
  --chipbg: #1d293e;
  --shadow: 0 1px 3px rgba(0,0,0,0.4);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
}
main, #shell { max-width: 1100px; margin: 0 auto; padding: 12px 16px 40px; }
h1 { font-size: 1.4rem; margin: 0.6em 0 0.2em; }
h2 { font-size: 1.15rem; margin: 1.4em 0 0.5em; }
h3 { font-size: 1.0rem; margin: 1.2em 0 0.5em; }
.caption { color: var(--muted); font-size: 0.85rem; }
.hidden { display: none !important; }
.error { color: var(--red); }
.warn { background: rgba(249,162,37,0.12); border: 1px solid rgba(249,162,37,0.5); border-radius: 8px; padding: 10px 12px; font-size: 0.9rem; }
.info { color: var(--muted); font-size: 0.92rem; }
.hint { color: var(--muted); font-size: 0.88rem; }

/* Barre superieure + onglets (memes conventions que TrainingTrail) */
#topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 0 2px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand .logo { font-size: 1.4rem; }
.brand-title { font-weight: 700; font-size: 1.1rem; }
.brand-sub { color: var(--muted); font-size: 0.75rem; }
.icon-btn {
  background: var(--card2); border: 1px solid var(--line); color: var(--ink);
  border-radius: 999px; width: 38px; height: 38px; font-size: 1.05rem; cursor: pointer;
}
#tabs {
  display: flex; gap: 6px; flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding: 8px 0; margin-bottom: 8px;
}
#tabs button {
  border: 1px solid transparent; background: transparent; color: var(--muted);
  border-radius: 999px; padding: 7px 14px; font: inherit; font-size: 0.9rem; cursor: pointer;
}
#tabs button.active {
  background: var(--accent); color: #fff; font-weight: 600;
}
#tabs button:hover:not(.active) { color: var(--ink); background: var(--chipbg); }

/* Connexion */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login form {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow);
  padding: 24px; width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 12px;
}
.login h1 { margin: 0; }
.stay { font-size: 0.9rem; display: flex; gap: 8px; align-items: center; color: var(--ink); }

/* Synthese : cartes */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin: 12px 0; }
.metric { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; box-shadow: var(--shadow); }
.metric .k { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.metric .v { font-size: 1.15rem; font-weight: 600; margin-top: 2px; }
.metric .d { font-size: 0.85rem; margin-top: 1px; }
.pos { color: var(--green); }
.neg { color: var(--red); }

/* Panneaux repliables */
details.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow);
  padding: 10px 12px; margin: 10px 0;
}
details.panel > summary { cursor: pointer; font-weight: 600; font-size: 0.95rem; }

/* Formulaires */
label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; color: var(--muted); }
label.inline { flex-direction: row; align-items: center; color: var(--ink); }
input, select, button, textarea {
  font: inherit; padding: 8px 10px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--card2); color: var(--ink);
}
button { cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { background: var(--red); border-color: var(--red); color: #fff; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; margin-top: 10px; align-items: end; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 8px; }
.row input { min-width: 180px; }
.tabs { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.tab { border-radius: 999px; padding: 6px 12px; background: var(--chipbg); border: none; color: var(--ink); font-size: 0.85rem; }
.tab.active { background: var(--accent); color: #fff; }
.actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 0 12px; }
.chips .chip {
  display: inline-flex; align-items: center; gap: 6px; background: var(--chipbg);
  border-radius: 999px; padding: 4px 10px; font-size: 0.82rem; color: var(--ink);
}
.chips .chip button { border: none; background: transparent; color: var(--muted); padding: 0 2px; }

/* ---------------- tables triables + gestion des colonnes ---------------- */
.tablewrap { overflow-x: auto; margin-top: 8px; position: relative; }
table { border-collapse: collapse; width: 100%; font-size: 0.85rem; margin-top: 8px; }
th, td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: right; white-space: nowrap; }
th.txt, td.txt, th:first-child, td:first-child { text-align: left; }
th {
  color: var(--muted); font-weight: 600; font-size: 0.78rem; text-transform: uppercase;
  cursor: pointer; user-select: none; position: relative;
}
th:hover { color: var(--ink); }
th .sort-ind { font-size: 0.7rem; margin-left: 2px; }
th.col-off { color: var(--muted); opacity: 0.5; }
tbody tr:hover { background: var(--chipbg); }
td.num-pos { color: var(--green); }
td.num-neg { color: var(--red); }
.col-menu-btn {
  margin-top: 8px; font-size: 0.8rem; padding: 4px 10px;
  background: var(--chipbg); border: 1px solid var(--line); color: var(--ink);
  border-radius: 999px;
}
.col-menu {
  position: absolute; top: 36px; right: 0; z-index: 30; min-width: 240px;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.25); padding: 10px; font-size: 0.85rem;
  max-height: 320px; overflow-y: auto;
}
.col-menu .col-item { display: flex; align-items: center; gap: 6px; padding: 3px 0; }
.col-menu .col-item label { flex-direction: row; flex: 1; color: var(--ink); }
.col-menu .col-item button {
  padding: 0 7px; font-size: 0.75rem; background: var(--chipbg);
  border: 1px solid var(--line); color: var(--ink);
}
.col-menu .muted { font-size: 0.78rem; }

/* Donut + graphiques */
#donut svg { max-width: 420px; height: auto; display: block; margin: 8px auto; }
#donut li { font-size: 0.85rem; }
.chart-box { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 8px; margin-top: 10px; }
.chart-box svg { width: 100%; height: auto; }
.chart-box .xhair-line { stroke: var(--muted); stroke-dasharray: 3 3; }
.chart-box .xhair-dot { fill: #ffd166; stroke: #1f2430; stroke-width: 1.5; }

/* Assistant (chat) */
.chat-log {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 12px; margin-top: 10px; min-height: 120px; max-height: 420px; overflow-y: auto;
  font-size: 0.9rem;
}
.chat-log .msg { margin: 6px 0; line-height: 1.45; white-space: pre-wrap; }
.chat-log .msg.user { color: var(--ink); font-weight: 600; }
.chat-log .msg.bot { color: var(--ink); }
.chat-log .msg.err { color: var(--red); font-size: 0.85rem; }
#chat-form input { flex: 1; }

/* Guide */
.guide-txt p, .guide-txt li { font-size: 0.9rem; line-height: 1.5; }
.guide-txt ul { margin: 6px 0; padding-left: 20px; }

.foot { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 24px; }
.foot .caption { font-size: 0.8rem; }
.period select { min-width: 160px; }
hr { border: none; border-top: 1px solid var(--line); margin: 18px 0; }

/* Actualités : titres en ligne */
.news-headlines { margin: 6px 0; }
.news-item { margin: 6px 0; font-size: 0.88rem; line-height: 1.4; }
.news-item a { color: var(--accent); text-decoration: none; }
.news-item a:hover { text-decoration: underline; }