/* ================================================================
   TASK MANAGEMENT — Complete Design System
   ================================================================ */

:root {
  --tm-primary:      #4361ee;
  --tm-primary-dark: #3a56d4;
  --tm-todo:         #4361ee;
  --tm-inprog:       #f59e0b;
  --tm-done:         #10b981;
  --tm-danger:       #ef4444;
  --tm-surface:      #ffffff;
  --tm-bg:           #f1f5f9;
  --tm-border:       #e2e8f0;
  --tm-text:         #1e293b;
  --tm-muted:        #64748b;
  --tm-light:        #f8fafc;
  --tm-radius:       10px;
  --tm-shadow-sm:    0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --tm-shadow:       0 4px 16px rgba(0,0,0,0.08);
  --tm-shadow-lg:    0 8px 32px rgba(0,0,0,0.10);
}

/* ── Page wrapper ───────────────────────────────────────────── */
.tm-page {
  background: var(--tm-bg);
  min-height: 100vh;
  padding: 28px 32px 60px;
}

/* ── Page header ────────────────────────────────────────────── */
.tm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}
.tm-header-left h1 {
  font-size: 22px;
  font-weight: 700;
  color: var(--tm-text);
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.tm-header-left h1 i { color: var(--tm-primary); }
.tm-header-left p {
  font-size: 13px;
  color: var(--tm-muted);
  margin: 0;
}
.tm-header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Buttons ────────────────────────────────────────────────── */
.tm-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s ease;
  white-space: nowrap;
}
.tm-btn-primary   { background: var(--tm-primary); color: #fff; }
.tm-btn-primary:hover { background: var(--tm-primary-dark); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(67,97,238,0.3); }
.tm-btn-ghost     { background: var(--tm-surface); color: var(--tm-text); border: 1.5px solid var(--tm-border); }
.tm-btn-ghost:hover { background: #f1f5f9; color: var(--tm-text); border-color: #cbd5e1; transform: translateY(-1px); }
.tm-btn-danger    { background: #fef2f2; color: var(--tm-danger); border: 1.5px solid #fecaca; }
.tm-btn-danger:hover { background: var(--tm-danger); color: #fff; }
.tm-btn-sm { padding: 5px 12px; font-size: 12px; }
.tm-btn-icon { padding: 7px; border-radius: 7px; }

/* ── Stats row ──────────────────────────────────────────────── */
.tm-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}
.tm-stat {
  background: var(--tm-surface);
  border-radius: var(--tm-radius);
  padding: 18px 20px;
  box-shadow: var(--tm-shadow-sm);
  border: 1px solid var(--tm-border);
  display: flex;
  align-items: center;
  gap: 16px;
}
.tm-stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.tm-stat-icon.todo     { background: #eff2ff; color: var(--tm-todo); }
.tm-stat-icon.inprog   { background: #fffbeb; color: var(--tm-inprog); }
.tm-stat-icon.done     { background: #ecfdf5; color: var(--tm-done); }
.tm-stat-icon.total    { background: #f1f5f9; color: var(--tm-muted); }
.tm-stat-info { flex: 1; min-width: 0; }
.tm-stat-num  { font-size: 26px; font-weight: 800; color: var(--tm-text); line-height: 1; }
.tm-stat-lbl  { font-size: 12px; color: var(--tm-muted); margin-top: 3px; font-weight: 500; }

/* ── Filter bar ─────────────────────────────────────────────── */
.tm-filters {
  background: var(--tm-surface);
  border: 1px solid var(--tm-border);
  border-radius: var(--tm-radius);
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: flex-end;
}
.tm-filter-group { display: flex; flex-direction: column; gap: 4px; }
.tm-filter-group label {
  font-size: 11px;
  font-weight: 700;
  color: var(--tm-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.tm-filters select,
.tm-filters input[type="text"] {
  border: 1.5px solid var(--tm-border);
  border-radius: 7px;
  padding: 7px 12px;
  font-size: 13px;
  color: var(--tm-text);
  background: var(--tm-light);
  outline: none;
  transition: border-color 0.15s;
  min-width: 130px;
}
.tm-filters select:focus,
.tm-filters input:focus { border-color: var(--tm-primary); background: #fff; }

/* ── Kanban Board ───────────────────────────────────────────── */
.tm-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: start;
}
.tm-col {
  background: var(--tm-light);
  border-radius: 12px;
  padding: 0;
  border: 1px solid var(--tm-border);
  overflow: hidden;
  min-height: 480px;
}
.tm-col-header {
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--tm-border);
}
.tm-col-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.tm-col-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.col-todo     .tm-col-dot { background: var(--tm-todo); }
.col-inprogress .tm-col-dot { background: var(--tm-inprog); }
.col-completed  .tm-col-dot { background: var(--tm-done); }
.col-todo     .tm-col-title { color: var(--tm-todo); }
.col-inprogress .tm-col-title { color: var(--tm-inprog); }
.col-completed  .tm-col-title { color: var(--tm-done); }

.tm-col-count {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 20px;
  background: rgba(0,0,0,0.06);
  color: var(--tm-muted);
}
.tm-col-body {
  padding: 12px;
  min-height: 400px;
  transition: background 0.15s;
}
.tm-col-body.drag-over {
  background: #eff2ff;
  outline: 2px dashed var(--tm-primary);
  outline-offset: -2px;
  border-radius: 0 0 12px 12px;
}
.tm-col-empty {
  text-align: center;
  padding: 40px 20px;
  color: #cbd5e1;
}
.tm-col-empty i { font-size: 28px; display: block; margin-bottom: 8px; }
.tm-col-empty span { font-size: 12px; }

/* ── Task Card ──────────────────────────────────────────────── */
.tm-card {
  background: var(--tm-surface);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
  box-shadow: var(--tm-shadow-sm);
  border: 1px solid var(--tm-border);
  border-left: 3px solid #cbd5e1;
  cursor: grab;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
  position: relative;
}
.tm-card:hover {
  box-shadow: var(--tm-shadow);
  transform: translateY(-2px);
}
.tm-card:active { cursor: grabbing; }
.tm-card.dragging { opacity: 0.45; transform: rotate(1.5deg) scale(0.98); }

.tm-card.p-High   { border-left-color: var(--tm-danger); }
.tm-card.p-Medium { border-left-color: var(--tm-inprog); }
.tm-card.p-Low    { border-left-color: var(--tm-done); }

.tm-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}
.tm-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--tm-text);
  line-height: 1.4;
  flex: 1;
}
.tm-card-desc {
  font-size: 12px;
  color: var(--tm-muted);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.tm-card-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 10px; }
.tm-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #f1f5f9;
}
.tm-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.tm-card-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--tm-muted);
}
.tm-card-actions { display: flex; gap: 4px; }
.tm-card-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  font-size: 12px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  border: 1.5px solid transparent;
}
.tm-card-act-view   { color: #0891b2; background: #ecfeff; border-color: #a5f3fc; }
.tm-card-act-edit   { color: #7c3aed; background: #f5f3ff; border-color: #ddd6fe; }
.tm-card-act-del    { color: var(--tm-danger); background: #fef2f2; border-color: #fecaca; }
.tm-card-actions a:hover { opacity: 0.8; transform: scale(1.08); }

/* ── Badges / Tags ──────────────────────────────────────────── */
.tm-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  white-space: nowrap;
}
.tm-badge-bug     { background: #fef2f2; color: #dc2626; }
.tm-badge-feature { background: #eff2ff; color: #4361ee; }
.tm-badge-task    { background: #f0fdf4; color: #16a34a; }
.tm-badge-story   { background: #fdf4ff; color: #9333ea; }
.tm-badge-high    { background: #fef2f2; color: #dc2626; }
.tm-badge-medium  { background: #fffbeb; color: #d97706; }
.tm-badge-low     { background: #f0fdf4; color: #16a34a; }
.tm-badge-label   { background: #f1f5f9; color: #64748b; border: 1px solid #e2e8f0; }
.tm-badge-status-todo     { background: #eff2ff; color: var(--tm-todo); }
.tm-badge-status-inprogress { background: #fffbeb; color: var(--tm-inprog); }
.tm-badge-status-completed  { background: #ecfdf5; color: var(--tm-done); }

/* ── Form pages (Add / Edit) ────────────────────────────────── */
.tm-form-page {
  max-width: 800px;
  margin: 0 auto;
}
.tm-card-panel {
  background: var(--tm-surface);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--tm-shadow-sm);
  border: 1px solid var(--tm-border);
  margin-bottom: 24px;
}
.tm-form-section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--tm-muted);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--tm-border);
}
.tm-form-group { margin-bottom: 20px; }
.tm-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--tm-text);
  margin-bottom: 6px;
}
.tm-form-group label .req { color: var(--tm-danger); margin-left: 3px; }
.tm-input,
.tm-select,
.tm-textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 13px;
  color: var(--tm-text);
  background: var(--tm-light);
  border: 1.5px solid var(--tm-border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  font-family: inherit;
}
.tm-input:focus, .tm-select:focus, .tm-textarea:focus {
  border-color: var(--tm-primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(67,97,238,0.12);
}
.tm-textarea { resize: vertical; min-height: 110px; line-height: 1.6; }
.tm-select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 34px; }

/* ── View Task Detail ───────────────────────────────────────── */
.tm-detail-hero {
  background: var(--tm-surface);
  border-radius: 12px;
  padding: 28px 32px;
  box-shadow: var(--tm-shadow-sm);
  border: 1px solid var(--tm-border);
  border-top: 4px solid var(--tm-primary);
  margin-bottom: 20px;
}
.tm-detail-hero h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--tm-text);
  margin: 14px 0 16px;
  line-height: 1.4;
}
.tm-section-card {
  background: var(--tm-surface);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--tm-shadow-sm);
  border: 1px solid var(--tm-border);
  margin-bottom: 20px;
}
.tm-section-card h5 {
  font-size: 14px;
  font-weight: 700;
  color: var(--tm-text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tm-section-card h5 i { color: var(--tm-primary); }

/* Sidebar details */
.tm-detail-sidebar .tm-section-card { padding: 20px; }
.tm-detail-item { margin-bottom: 18px; }
.tm-detail-item:last-child { margin-bottom: 0; }
.tm-detail-lbl {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: var(--tm-muted);
  margin-bottom: 5px;
}
.tm-detail-val {
  font-size: 13px;
  font-weight: 500;
  color: var(--tm-text);
}

/* ── Comments ───────────────────────────────────────────────── */
.tm-comment {
  display: flex;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid #f1f5f9;
}
.tm-comment:last-child { border-bottom: none; }
.tm-comment-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--tm-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}
.tm-comment-body { flex: 1; min-width: 0; }
.tm-comment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 5px;
}
.tm-comment-author { font-size: 13px; font-weight: 700; color: var(--tm-text); }
.tm-comment-time   { font-size: 11px; color: var(--tm-muted); }
.tm-comment-text   { font-size: 13px; color: #475569; line-height: 1.6; }
.tm-comment-area {
  border: 1.5px solid var(--tm-border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--tm-text);
  width: 100%;
  resize: none;
  font-family: inherit;
  background: var(--tm-light);
  transition: border-color 0.15s;
  outline: none;
}
.tm-comment-area:focus { border-color: var(--tm-primary); background: #fff; box-shadow: 0 0 0 3px rgba(67,97,238,0.1); }

/* ── Task List Table ────────────────────────────────────────── */
.tm-table-wrap {
  background: var(--tm-surface);
  border-radius: 12px;
  box-shadow: var(--tm-shadow-sm);
  border: 1px solid var(--tm-border);
  overflow: hidden;
}
.tm-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.tm-table thead th {
  background: #f8fafc;
  color: var(--tm-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--tm-border);
  white-space: nowrap;
}
.tm-table tbody tr {
  border-bottom: 1px solid #f1f5f9;
  transition: background 0.1s;
}
.tm-table tbody tr:last-child { border-bottom: none; }
.tm-table tbody tr:hover { background: #f8fafc; }
.tm-table td {
  padding: 12px 16px;
  color: var(--tm-text);
  vertical-align: middle;
}
.tm-table .tm-task-link {
  font-weight: 600;
  color: var(--tm-text);
  text-decoration: none;
  display: block;
  margin-bottom: 2px;
}
.tm-table .tm-task-link:hover { color: var(--tm-primary); }
.tm-overdue { color: var(--tm-danger) !important; font-weight: 600; }

/* ── Projects list ──────────────────────────────────────────── */
.tm-projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}
.tm-project-card {
  background: var(--tm-surface);
  border-radius: 12px;
  padding: 22px 24px;
  box-shadow: var(--tm-shadow-sm);
  border: 1px solid var(--tm-border);
  border-top: 3px solid var(--tm-primary);
  transition: box-shadow 0.2s, transform 0.2s;
}
.tm-project-card:hover { box-shadow: var(--tm-shadow); transform: translateY(-2px); }
.tm-project-card h5 {
  font-size: 15px;
  font-weight: 700;
  color: var(--tm-text);
  margin: 0 0 6px;
}
.tm-project-card p {
  font-size: 13px;
  color: var(--tm-muted);
  margin: 0 0 14px;
  line-height: 1.5;
}
.tm-project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.tm-project-meta { font-size: 11px; color: var(--tm-muted); display: flex; gap: 12px; flex-wrap: wrap; }
.tm-project-meta span { display: flex; align-items: center; gap: 4px; }
.tm-project-actions { display: flex; gap: 6px; }

/* ── My Tasks page ──────────────────────────────────────────── */
.tm-my-group-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 6px 12px;
  border-radius: 6px;
  margin: 20px 0 10px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.tm-my-group-title.todo     { background: #eff2ff; color: var(--tm-todo); }
.tm-my-group-title.inprogress { background: #fffbeb; color: var(--tm-inprog); }
.tm-my-group-title.completed  { background: #ecfdf5; color: var(--tm-done); }

.tm-my-task-row {
  background: var(--tm-surface);
  border-radius: 10px;
  padding: 14px 18px;
  margin-bottom: 8px;
  border: 1px solid var(--tm-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  transition: box-shadow 0.15s;
}
.tm-my-task-row:hover { box-shadow: var(--tm-shadow-sm); }

/* ── Empty state ────────────────────────────────────────────── */
.tm-empty {
  text-align: center;
  padding: 70px 20px;
  background: var(--tm-surface);
  border-radius: 12px;
  border: 1px dashed var(--tm-border);
  color: #cbd5e1;
}
.tm-empty i { font-size: 44px; display: block; margin-bottom: 12px; }
.tm-empty p { font-size: 14px; color: var(--tm-muted); margin: 0; }
.tm-empty a { color: var(--tm-primary); font-weight: 600; text-decoration: none; }

/* ── Flash alerts ───────────────────────────────────────────── */
.tm-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
}
.tm-alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.tm-alert-error   { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* ── Divider ────────────────────────────────────────────────── */
.tm-divider { border: none; border-top: 1px solid var(--tm-border); margin: 20px 0; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .tm-board  { grid-template-columns: 1fr; }
  .tm-stats  { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .tm-page   { padding: 16px 14px 40px; }
  .tm-stats  { grid-template-columns: repeat(2, 1fr); }
  .tm-filters { flex-direction: column; }
  .tm-card-panel { padding: 20px; }
  .tm-detail-hero { padding: 20px; }
  .tm-projects-grid { grid-template-columns: 1fr; }
}