/* ─── Variables ──────────────────────────────────────────── */
:root {
  --bg:          #f5f6f8;
  --surface:     #ffffff;
  --border:      #e8eaed;
  --border-soft: #f5f6f8;
  --text:        #18181b;
  --text-muted:  #71717a;
  --text-faint:  #a1a1aa;
  --primary:     #4f46e5;
  --primary-bg:  #eef2ff;
  --high:        #dc2626;
  --medium:      #d97706;
  --low:         #16a34a;
  --shadow:      0 1px 2px rgba(0,0,0,0.05), 0 1px 4px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.08);
  --radius:      6px;
  --radius-sm:   5px;
  --sidebar-w:   248px;
  --header-h:    52px;
  --transition:  0.13s ease;
}

/* ─── Dark mode ──────────────────────────────────────────── */
.dark {
  --bg:          #0f1117;
  --surface:     #1a1d27;
  --border:      #2a2d3e;
  --border-soft: #1e2133;
  --text:        #e2e8f0;
  --text-muted:  #94a3b8;
  --text-faint:  #4b5563;
  --primary:     #6366f1;
  --primary-bg:  #1e1f3a;
  --shadow:      0 1px 2px rgba(0,0,0,0.4), 0 1px 4px rgba(0,0,0,0.3);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.5);
}
.dark .sidebar-item.active .sidebar-count { background: #2a2d5a; }
.dark .p-btn[data-p="high"].active   { background: #2d1515; }
.dark .p-btn[data-p="medium"].active { background: #2a1f0a; }
.dark .p-btn[data-p="low"].active    { background: #0f2a17; }
.dark .assignee-btn[data-a="Fanny"].active   { background: #2d1525; color: #ec4899; }
.dark .assignee-btn[data-a="Jeremie"].active { background: #0f1e35; color: #60a5fa; }
.dark .action-btn.del:hover { background: #2d1515; }
.dark .cat-delete:hover { background: #2d1515; }
.dark .sort-btn:hover { background: var(--border); }
.dark .person-dot.none { background: #1e2133; color: #64748b; }
.dark .tag-assignee.fanny   { background: #2d1525; color: #ec4899; }
.dark .tag-assignee.jeremie { background: #0f1e35; color: #60a5fa; }
.dark .tag-assignee.fanny   .assignee-avatar-sm { background: #4a1535; }
.dark .tag-assignee.jeremie .assignee-avatar-sm { background: #0f2a50; }

/* Dark mode toggle button */
.dark-btn {
  color: var(--text-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  transition: background var(--transition), color var(--transition);
}
.dark-btn:hover { background: var(--bg); color: var(--text); }

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.5;
}
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }
input:focus, textarea:focus, select:focus { outline: none; }

/* ─── Layout ─────────────────────────────────────────────── */
.app { display: flex; flex-direction: column; height: 100vh; }

.layout {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ─── Header ─────────────────────────────────────────────── */
.header {
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  z-index: 30;
}

.header-left { display: flex; align-items: center; gap: 10px; }
.header-right { display: flex; align-items: center; gap: 12px; }

.menu-btn {
  color: var(--text-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  transition: background var(--transition), color var(--transition);
}
.menu-btn:hover { background: var(--bg); color: var(--text); }

.logo {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
}

/* WS indicator */
.ws-indicator {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
  transition: background 0.3s;
}
.ws-indicator.connected    { background: var(--low); }
.ws-indicator.reconnecting { background: var(--medium); }

/* ─── Sidebar ────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 12px 8px;
  gap: 4px;
  z-index: 20;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 19;
}

.sidebar-section { padding: 4px 0; }

.sidebar-heading {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  padding: 8px 10px 4px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition);
  user-select: none;
  position: relative;
}
.sidebar-item:hover { background: var(--bg); color: var(--text); }
.sidebar-item.active { background: var(--primary-bg); color: var(--primary); font-weight: 500; }

.sidebar-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.sidebar-label { flex: 1; font-size: 13.5px; }

.sidebar-count {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-faint);
  background: var(--border-soft);
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 20px;
  text-align: center;
}
.sidebar-item.active .sidebar-count { background: #dde3ff; color: var(--primary); }

/* Delete button on category items */
.cat-delete {
  opacity: 0;
  color: var(--text-faint);
  padding: 2px 4px;
  border-radius: 4px;
  font-size: 13px;
  line-height: 1;
  transition: opacity var(--transition), color var(--transition), background var(--transition);
  flex-shrink: 0;
}
.sidebar-item:hover .cat-delete { opacity: 1; }
.cat-delete:hover { color: var(--high); background: #fef2f2; }

.add-cat-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-faint);
  font-size: 13px;
  transition: background var(--transition), color var(--transition);
  margin-top: 2px;
}
.add-cat-btn:hover { background: var(--bg); color: var(--text-muted); }

/* Person dots in sidebar */
.person-dot {
  width: 20px; height: 20px;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.person-dot.none    { background: #f1f5f9; color: #94a3b8; }
.person-dot.fanny   { background: #fce7f3; color: #9d174d; }
.person-dot.jeremie { background: #dbeafe; color: #1e40af; }

/* Sort in sidebar */
.sidebar-sort { display: flex; flex-direction: column; gap: 2px; }
.sort-sidebar-btn {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-muted);
  font-size: 13.5px;
  transition: background var(--transition), color var(--transition);
  width: 100%;
}
.sort-sidebar-btn:hover { background: var(--bg); color: var(--text); }
.sort-sidebar-btn.active { background: var(--primary-bg); color: var(--primary); font-weight: 500; }
.sort-sidebar-icon { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.7; }

/* ─── Main ───────────────────────────────────────────────── */
.main {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
}

.main-header {
  margin-bottom: 20px;
}

.main-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.view-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* Sort bar */
.sort-bar {
  display: flex;
  align-items: center;
  gap: 2px;
}

.sort-label {
  font-size: 12px;
  color: var(--text-faint);
  margin-right: 6px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.sort-btn {
  font-size: 12.5px;
  padding: 4px 10px;
  border-radius: 20px;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: all var(--transition);
  font-weight: 500;
}
.sort-btn:hover { color: var(--text); background: var(--surface); }
.sort-btn.active {
  color: var(--primary);
  background: var(--primary-bg);
  border-color: #c7d2fe;
}

/* ─── Buttons ────────────────────────────────────────────── */
.btn-primary {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: white;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity var(--transition), transform var(--transition);
}
.btn-primary:hover { opacity: 0.88; }
.btn-primary:active { transform: scale(0.97); }

/* ─── Task Cards ─────────────────────────────────────────── */
.task-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 11px 14px 11px 12px;
  margin-bottom: 5px;
  box-shadow: var(--shadow);
  border-left: 2px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 11px;
  transition: box-shadow var(--transition);
  position: relative;
}
.task-card:hover { box-shadow: var(--shadow-md); }
.task-card[data-priority="high"]   { border-left-color: var(--high);   }
.task-card[data-priority="medium"] { border-left-color: var(--medium); }
.task-card[data-priority="low"]    { border-left-color: var(--low);    }

/* Checkbox */
.task-check {
  width: 20px; height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
  margin-top: 1px;
  display: flex; align-items: center; justify-content: center;
  transition: border-color var(--transition), background var(--transition);
}
.task-check:hover { border-color: var(--primary); }
.task-check.checked {
  background: var(--low);
  border-color: var(--low);
}
.task-check.checked::after {
  content: '';
  width: 5px; height: 9px;
  border: 2px solid white;
  border-top: none; border-left: none;
  transform: rotate(45deg) translate(-1px, -1px);
  display: block;
}

/* Task body */
.task-body { flex: 1; min-width: 0; }

.task-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 5px;
  word-break: break-word;
}
.task-title.done {
  text-decoration: line-through;
  color: var(--text-faint);
}

.task-desc {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
  word-break: break-word;
}

.task-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-category {
  font-size: 11.5px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 10px;
}

.task-due {
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 3px;
}
.task-due.overdue { color: var(--high); font-weight: 500; }
.task-due.today   { color: var(--medium); font-weight: 500; }

/* Task actions */
.task-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--transition);
  flex-shrink: 0;
  align-items: center;
}
.task-card:hover .task-actions { opacity: 1; }

.action-btn {
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-faint);
  transition: background var(--transition), color var(--transition);
}
.action-btn:hover { background: var(--bg); color: var(--text-muted); }
.action-btn.del:hover { background: #fef2f2; color: var(--high); }

/* ─── Completed Section ──────────────────────────────────── */
.completed-section { margin-top: 16px; }

.completed-header {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 4px;
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.completed-header:hover { color: var(--text); background: var(--surface); }

.completed-badge {
  font-size: 11px;
  background: var(--border);
  color: var(--text-muted);
  padding: 1px 7px;
  border-radius: 10px;
}

.completed-list { padding-top: 4px; }

.completed-list .task-card {
  opacity: 0.65;
}
.completed-list .task-card:hover { opacity: 1; }

/* ─── Empty State ────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 12px;
  text-align: center;
}
.empty-title { font-size: 16px; font-weight: 600; color: var(--text-muted); }
.empty-sub   { font-size: 13px; color: var(--text-faint); margin-top: -4px; }

/* ─── Modals ─────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  transform: translateY(8px);
  transition: transform 0.18s ease;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-sm { max-width: 380px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 0;
}
.modal-title { font-size: 16px; font-weight: 700; }
.modal-close {
  color: var(--text-faint);
  width: 28px; height: 28px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: var(--bg); color: var(--text); }

.modal-body  { padding: 16px 20px; display: flex; flex-direction: column; gap: 14px; }
.modal-footer {
  padding: 12px 20px 18px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid var(--border-soft);
}

/* Form elements */
.field { display: flex; flex-direction: column; gap: 6px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field-label { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.input-title {
  font-size: 16px;
  font-weight: 500;
  border: none;
  border-bottom: 2px solid var(--border);
  border-radius: 0;
  padding: 6px 2px;
  width: 100%;
  background: transparent;
  color: var(--text);
  transition: border-color var(--transition);
}
.input-title:focus { border-bottom-color: var(--primary); }

.input-desc {
  resize: vertical;
  min-height: 56px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  width: 100%;
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition);
}
.input-desc:focus { border-color: var(--primary); }

.input-select, .input-field, .input-date {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  width: 100%;
  background: var(--bg);
  color: var(--text);
  transition: border-color var(--transition);
  appearance: none;
  -webkit-appearance: none;
}
.input-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 4.5l3 3 3-3' stroke='%2364748b' stroke-width='1.5' stroke-linecap='round' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 30px; }
.input-select:focus, .input-field:focus, .input-date:focus { border-color: var(--primary); outline: none; }

/* Priority selector */
.priority-btns { display: flex; gap: 4px; }
.p-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 7px 4px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--text-muted);
  background: var(--bg);
  transition: all var(--transition);
}
.p-btn:hover { border-color: var(--text-muted); color: var(--text); }
.p-btn.active { border-color: currentColor; background: var(--surface); font-weight: 600; }
.p-btn[data-p="high"]   { color: var(--high);   }
.p-btn[data-p="high"].active { background: #fef2f2; }
.p-btn[data-p="medium"] { color: var(--medium); }
.p-btn[data-p="medium"].active { background: #fffbeb; }
.p-btn[data-p="low"]    { color: var(--low);    }
.p-btn[data-p="low"].active { background: #f0fdf4; }
.p-btn:not(.active) .p-dot,
.p-btn:not(.active) { opacity: 0.65; }
.p-btn.active { opacity: 1; }

.p-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.p-dot.high   { background: var(--high);   }
.p-dot.medium { background: var(--medium); }
.p-dot.low    { background: var(--low);    }

/* Assignee selector */
.assignee-btns { display: flex; gap: 6px; }
.assignee-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 6px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  color: var(--text-muted);
  background: var(--bg);
  transition: all var(--transition);
}
.assignee-btn:hover { border-color: var(--text-muted); color: var(--text); }
.assignee-btn.active { border-color: currentColor; background: var(--surface); font-weight: 600; }
.assignee-btn[data-a="Fanny"].active   { color: #ec4899; background: #fdf2f8; }
.assignee-btn[data-a="Jeremie"].active { color: #3b82f6; background: #eff6ff; }
.assignee-btn[data-a=""].active        { color: var(--text-muted); background: var(--surface); }

.assignee-avatar {
  width: 20px; height: 20px;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.assignee-avatar.none    { background: var(--border); color: var(--text-faint); }
.assignee-avatar.fanny   { background: #fbcfe8; color: #be185d; }
.assignee-avatar.jeremie { background: #bfdbfe; color: #1d4ed8; }

/* Assignee badge on cards */
.tag-assignee {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 500;
  padding: 2px 7px 2px 3px;
  border-radius: 10px;
}
.tag-assignee.fanny   { background: #fdf2f8; color: #be185d; }
.tag-assignee.jeremie { background: #eff6ff; color: #1d4ed8; }

.assignee-avatar-sm {
  width: 16px; height: 16px;
  border-radius: 50%;
  font-size: 9px;
  font-weight: 700;
  display: inline-flex; align-items: center; justify-content: center;
}
.tag-assignee.fanny   .assignee-avatar-sm { background: #fbcfe8; color: #be185d; }
.tag-assignee.jeremie .assignee-avatar-sm { background: #bfdbfe; color: #1d4ed8; }

/* Color picker */
.color-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.color-swatch {
  width: 30px; height: 30px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  transition: transform var(--transition), border-color var(--transition);
}
.color-swatch:hover { transform: scale(1.15); }
.color-swatch.selected { border-color: white; box-shadow: 0 0 0 2px var(--text); }

/* Modal buttons */
.btn-cancel {
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 13.5px;
  color: var(--text-muted);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: background var(--transition), color var(--transition);
}
.btn-cancel:hover { background: var(--bg); color: var(--text); }

.btn-save {
  padding: 8px 20px;
  border-radius: var(--radius);
  font-size: 13.5px;
  font-weight: 600;
  background: var(--primary);
  color: white;
  transition: opacity var(--transition);
}
.btn-save:hover { opacity: 0.88; }

/* ─── Scrollbar ──────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #cbd5e1; }

/* Desktop: masquer la sidebar via le layout */
@media (min-width: 641px) {
  .layout.sidebar-hidden .sidebar {
    display: none;
  }
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 640px) {
  .sidebar {
    position: fixed;
    top: var(--header-h);
    left: 0;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    z-index: 20;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }

  .main { padding: 16px; }
  .main-header-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .view-title { font-size: 22px; }
  .btn-primary { align-self: stretch; justify-content: center; }

  .field-row { grid-template-columns: 1fr; }

  .task-actions { opacity: 1; }
}