:root {
  --bg: #f4f5f7;
  --panel: #ffffff;
  --border: #e2e4e9;
  --text: #1f2430;
  --muted: #6b7280;
  --accent: #2f5d50;
  --accent-light: #e6efec;
  --danger: #b3261e;
  --danger-light: #fdecea;
  --warn: #a15c00;
  --warn-light: #fff4e0;
  --ok: #1e7d47;
  --radius: 8px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); }
.hidden { display: none !important; }

/* --- Layout app --- */
header.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
}
header.topbar h1 { font-size: 1.1rem; margin: 0; }
nav.mainnav { display: flex; gap: 0.25rem; flex-wrap: wrap; }
nav.mainnav button {
  background: none; border: none; padding: 0.5rem 0.9rem; border-radius: var(--radius);
  cursor: pointer; font-size: 0.92rem; color: var(--muted);
}
nav.mainnav button.active { background: var(--accent-light); color: var(--accent); font-weight: 600; }
nav.mainnav button:hover { background: var(--accent-light); }
#logout-btn { background: none; border: 1px solid var(--border); border-radius: var(--radius); padding: 0.4rem 0.8rem; cursor: pointer; }

main#app { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

/* --- Cartes / panneaux --- */
.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem; margin-bottom: 1.25rem;
}
.cards-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; }
.card-stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.card-stat .val { font-size: 1.8rem; font-weight: 700; }
.card-stat .label { color: var(--muted); font-size: 0.85rem; }
.card-stat.warn { border-color: var(--warn); background: var(--warn-light); }

/* --- Formulaires --- */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.75rem; }
label { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 0.25rem; }
input, select, textarea {
  width: 100%; padding: 0.5rem 0.6rem; border: 1px solid var(--border); border-radius: 6px;
  font-size: 0.92rem; font-family: inherit; background: #fff; color: var(--text);
}
textarea { min-height: 4.5rem; resize: vertical; }
.field { margin-bottom: 0.75rem; }
.btn {
  display: inline-block; padding: 0.5rem 1rem; border-radius: 6px; border: 1px solid var(--accent);
  background: var(--accent); color: #fff; cursor: pointer; font-size: 0.9rem; text-decoration: none;
}
.btn:hover { opacity: 0.9; }
.btn.secondary { background: #fff; color: var(--accent); }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.small { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.actions-row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.5rem; }

/* --- Tables --- */
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
tr.overdue td { background: var(--danger-light); }
tr:hover td { background: #fafbfc; }

/* --- Filtres --- */
.filters { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; align-items: flex-end; }
.filters .field { margin-bottom: 0; min-width: 160px; }

/* --- Kanban --- */
.kanban { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(230px, 1fr); gap: 0.85rem; overflow-x: auto; padding-bottom: 0.5rem; }
.kanban-col { background: #eef0f3; border-radius: var(--radius); padding: 0.6rem; min-height: 200px; }
.kanban-col h3 { font-size: 0.82rem; margin: 0 0 0.6rem; color: var(--muted); text-transform: uppercase; }
.kanban-card {
  background: #fff; border: 1px solid var(--border); border-radius: 6px; padding: 0.6rem; margin-bottom: 0.5rem;
  font-size: 0.85rem;
}
.kanban-card .titre { font-weight: 600; margin-bottom: 0.15rem; }
.kanban-card .meta { color: var(--muted); font-size: 0.78rem; margin-bottom: 0.4rem; }
.kanban-card select { font-size: 0.78rem; padding: 0.25rem; }

.badge { display: inline-block; padding: 0.1rem 0.5rem; border-radius: 10px; font-size: 0.72rem; background: var(--accent-light); color: var(--accent); }
.badge.legacy { background: var(--warn-light); color: var(--warn); }

.banner-legacy {
  background: var(--warn-light); border: 1px solid var(--warn); color: var(--warn);
  padding: 0.6rem 0.9rem; border-radius: var(--radius); font-size: 0.85rem; margin-bottom: 1rem;
}

.msg { padding: 0.6rem 0.9rem; border-radius: var(--radius); font-size: 0.88rem; margin-bottom: 1rem; }
.msg.error { background: var(--danger-light); color: var(--danger); }
.msg.ok { background: var(--accent-light); color: var(--accent); }

/* --- Login --- */
body.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: #1f2430; }
.login-box { background: #fff; padding: 2rem; border-radius: 10px; width: 320px; box-shadow: 0 10px 40px rgba(0,0,0,0.25); }
.login-box h1 { font-size: 1.2rem; margin-top: 0; }
.login-box .btn { width: 100%; text-align: center; margin-top: 0.5rem; }