:root {
  --bg: #101216;
  --panel: #191d24;
  --border: #2e3542;
  --text: #e6e9ef;
  --muted: #8f97a8;
  --accent: #4da3ff;
  --danger: #c05b4d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1.2rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
nav .brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
nav .spacer { flex: 1; }
nav .who { color: var(--muted); }
.linklike {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font: inherit;
  padding: 0;
}
.linklike:hover { text-decoration: underline; }
.linklike.danger { color: var(--danger); }

main {
  max-width: 1100px;
  margin: 1.5rem auto;
  padding: 0 1.2rem;
}
.page-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.page-head h1 { margin: 0; }
h1 { font-size: 1.5rem; margin-top: 0; }

form {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  max-width: 420px;
}
label { display: flex; flex-direction: column; gap: 0.3rem; color: var(--muted); }
input, textarea {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 0.5rem 0.7rem;
  font: inherit;
}
input:focus, textarea:focus { outline: 1px solid var(--accent); }
button {
  background: var(--accent);
  border: none;
  border-radius: 6px;
  color: #0d1117;
  font: inherit;
  font-weight: 600;
  padding: 0.5rem 1rem;
  cursor: pointer;
  align-self: flex-start;
}
button:hover { filter: brightness(1.1); }

.error { color: var(--danger); }

// ---------------------------------------------------------------- kanban
.new-task {
  flex-direction: column;
  align-items: stretch;
  gap: 0.6rem;
  max-width: 640px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.new-task input, .new-task select, .new-task textarea { width: 100%; }
.page-btn {
  display: inline-block;
  margin: 0.25rem 0 1rem;
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  background: var(--accent);
  color: #0b0d10;
  font-weight: 600;
}
.page-btn:hover { text-decoration: none; filter: brightness(1.1); }

.board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  align-items: start;
}
@media (max-width: 900px) { .board { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .board { grid-template-columns: 1fr; } }

.col {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  min-height: 120px;
  overflow: hidden;
}
.col > header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.9rem;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.col > header .count {
  margin-left: auto;
  color: var(--muted);
  font-weight: 400;
  font-size: 0.85rem;
}
.col-body { padding: 0.7rem; display: flex; flex-direction: column; gap: 0.7rem; }
.col-body .empty { color: var(--muted); margin: 0; font-size: 0.9rem; }
.col-draft > header { border-top: 3px solid #8f97a8; }
.col-todo > header { border-top: 3px solid #4da3ff; }
.col-progress > header { border-top: 3px solid #d8a63a; }
.col-done > header { border-top: 3px solid #5fb86f; }

.card.task {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
}
.card.task .card-head { display: flex; align-items: baseline; gap: 0.5rem; }
.card.task .card-title { word-break: break-word; }
.card.task .tag {
  font-size: 0.72rem;
  color: var(--accent);
  background: rgba(77, 163, 255, 0.12);
  border: 1px solid rgba(77, 163, 255, 0.3);
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}
.card.task .card-desc {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card.task .t-done .card-title, .card.task.t-done .card-title { text-decoration: line-through; color: var(--muted); }

.card .card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.card .card-actions form { display: flex; gap: 0.3rem; align-items: center; max-width: none; }
.card .card-actions select { padding: 0.25rem 0.4rem; min-width: 0; }
.card .card-actions button { padding: 0.25rem 0.6rem; }

details.edit { margin-top: 0.5rem; }
details.edit summary { cursor: pointer; color: var(--muted); font-size: 0.85rem; user-select: none; }
details.edit form { flex-direction: column; gap: 0.5rem; margin-top: 0.5rem; max-width: none; }
details.edit input { width: 100%; }
details.edit select { width: 100%; }

ul.files { list-style: none; margin: 0.4rem 0 0; padding: 0; }
ul.files li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
}
ul.files li small { color: var(--muted); }
ul.files li form { display: inline; }
ul.files li a { word-break: break-all; }

// projets
.new-project { margin: 1rem 0; }
.new-project input.grow { flex: 1; min-width: 160px; }
.projects { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
@media (max-width: 700px) { .projects { grid-template-columns: 1fr; } }
.card.project {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card.project .card-head { display: flex; align-items: baseline; gap: 0.6rem; }
.card.project .card-desc { margin: 0; font-size: 0.85rem; }

table.user-list {
  width: 100%;
  border-collapse: collapse;
}
table.user-list th, table.user-list td {
  text-align: left;
  padding: 0.45rem 0.7rem;
  border-bottom: 1px solid var(--border);
}
table.user-list th { color: var(--muted); font-weight: 600; }
table.user-list tr:last-child td { border-bottom: none; }
form.rowform {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}
form.rowform input { padding: 0.3rem 0.5rem; min-width: 130px; }
form.rowform button { padding: 0.3rem 0.6rem; }

/* Page d'édition d'une tâche */
.form-actions { display: flex; gap: 0.5rem; align-items: center; }
.files-section { margin-top: 1rem; border-top: 1px solid var(--border); padding-top: 0.8rem; }
.files-section h2 { font-size: 1rem; margin: 0 0 0.5rem; }