/* ----------------------------------------------------
 * Theme Setup & Global Variables
 * ---------------------------------------------------- */
:root {
  --bg-primary: #f0f2f8;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-glass: rgba(255,255,255,0.75);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --border-color: #e2e8f0;
  --border-focus: #6366f1;

  --accent-color: #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: rgba(99,102,241,0.12);

  --success: #10b981;
  --success-light: rgba(16,185,129,0.12);
  --warning: #f59e0b;
  --warning-light: rgba(245,158,11,0.12);
  --danger: #ef4444;
  --danger-light: rgba(239,68,68,0.12);
  --info: #3b82f6;
  --info-light: rgba(59,130,246,0.12);

  /* Kanban column accent colours */
  --col-todo-color: #6366f1;
  --col-progress-color: #f59e0b;
  --col-done-color: #10b981;

  --card-shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(99,102,241,.06);
  --card-shadow-hover: 0 8px 24px rgba(99,102,241,.15);
  --modal-shadow: 0 24px 48px rgba(0,0,0,.15);

  --font-family: 'Plus Jakarta Sans','Outfit',system-ui,-apple-system,sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --transition-fast: .15s ease;
  --transition-normal: .3s cubic-bezier(.4,0,.2,1);
}

[data-theme="dark"] {
  --bg-primary: #090d18;
  --bg-secondary: #111827;
  --bg-tertiary: #1a2235;
  --bg-glass: rgba(17,24,39,0.82);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-color: #1e2d45;
  --border-focus: #818cf8;

  --accent-color: #818cf8;
  --accent-hover: #6366f1;
  --accent-light: rgba(129,140,248,0.14);

  --card-shadow: 0 1px 4px rgba(0,0,0,.3), 0 6px 20px rgba(0,0,0,.3);
  --card-shadow-hover: 0 8px 32px rgba(0,0,0,.5);
  --modal-shadow: 0 28px 60px rgba(0,0,0,.6);
}

/* ---- Resets ---- */
*{margin:0;padding:0;box-sizing:border-box;font-family:var(--font-family);-webkit-font-smoothing:antialiased}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* ---- Layout ---- */
.app-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 20px 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ---- Offline Banner ---- */
.offline-banner {
  width: 100%;
  background: var(--danger);
  color: #fff;
  padding: 10px 16px;
  display: flex;
  justify-content: center;
  position: sticky;
  top: 0;
  z-index: 200;
  animation: slideDown .3s ease;
}
.offline-banner.hidden { display: none !important; }
.banner-content { display: flex; align-items: center; gap: 10px; font-size: .9rem; font-weight: 500; }
.banner-content i { width: 16px; height: 16px; }

@keyframes slideDown { from { transform: translateY(-100%); } to { transform: translateY(0); } }

/* ---- Header ---- */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 8px 0;
}
.logo-area { display: flex; align-items: center; gap: 14px; }
.logo-icon {
  background: var(--accent-light);
  color: var(--accent-color);
  width: 48px; height: 48px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.logo-icon i { width: 26px; height: 26px; }
.logo-area h1 { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.5px; }
.subtitle { font-size: .78rem; color: var(--text-secondary); }
.header-right { display: flex; align-items: center; gap: 12px; }

/* Sync status */
.sync-status {
  display: flex; align-items: center; gap: 7px;
  font-size: .8rem; font-weight: 600;
  background: var(--bg-secondary);
  padding: 6px 13px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; }
.sync-status.connecting .status-dot { background: var(--warning); animation: pulse 1.2s infinite; }
.sync-status.connecting { color: var(--warning); }
.sync-status.synced .status-dot { background: var(--success); }
.sync-status.synced { color: var(--success); }
.sync-status.error .status-dot { background: var(--danger); }
.sync-status.error { color: var(--danger); }
@keyframes pulse { 0%,100%{transform:scale(.9);opacity:.6} 50%{transform:scale(1.1);opacity:1} }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 10px 20px;
  font-size: .9rem; font-weight: 600;
  border-radius: var(--radius-md);
  border: none; cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-primary { background: var(--accent-color); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary { background: var(--accent-light); color: var(--accent-color); }
.btn-secondary:hover { background: var(--accent-color); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-text { background: transparent; color: var(--text-secondary); border: 1px solid transparent; }
.btn-text:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.btn-icon {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--transition-fast);
}
.btn-icon:hover { background: var(--bg-tertiary); border-color: var(--text-muted); }
.btn-icon i { width: 18px; height: 18px; }
.btn-clear { background: transparent; border: none; color: var(--text-muted); cursor: pointer; display: flex; align-items: center; }
.btn-clear:hover { color: var(--text-primary); }

.sun-icon { display: block; }
.moon-icon { display: none; }
[data-theme="dark"] .sun-icon { display: none; }
[data-theme="dark"] .moon-icon { display: block; }

/* ---- View Navigation Tabs ---- */
.view-navigation {
  display: flex;
  gap: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 6px;
  box-shadow: var(--card-shadow);
  width: fit-content;
}
.tab-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 22px;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  font-size: .9rem; font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.tab-btn i { width: 17px; height: 17px; }
.tab-btn:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.tab-btn.active {
  background: var(--accent-color);
  color: #fff;
  box-shadow: 0 4px 12px rgba(99,102,241,.35);
}

/* ---- Controls Card ---- */
.controls-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  display: flex; gap: 14px; align-items: center;
  box-shadow: var(--card-shadow);
  flex-wrap: wrap;
  transition: background-color var(--transition-normal);
}
.search-box { flex: 1; min-width: 220px; position: relative; display: flex; align-items: center; }
.search-icon { position: absolute; left: 14px; color: var(--text-muted); width: 17px; height: 17px; pointer-events: none; }
.search-box input {
  width: 100%; padding: 11px 11px 11px 40px;
  border-radius: var(--radius-md); border: 1px solid var(--border-color);
  background: var(--bg-primary); color: var(--text-primary);
  font-size: .93rem; transition: all var(--transition-fast);
}
.search-box input:focus { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--accent-light); }
.search-box .btn-clear { position: absolute; right: 11px; }
.filters-group { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.filter-wrapper { display: flex; flex-direction: column; gap: 4px; }
.filter-wrapper label { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); }
.custom-select {
  padding: 10px 14px; border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-primary); color: var(--text-primary);
  font-size: .88rem; font-weight: 500; cursor: pointer; outline: none;
  transition: all var(--transition-fast); min-width: 150px;
}
.custom-select:focus { border-color: var(--border-focus); }

/* ---- Loading ---- */
.board-loading { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; padding: 80px 20px; text-align: center; color: var(--text-secondary); }
.spinner { width: 42px; height: 42px; border: 3px solid var(--border-color); border-top-color: var(--accent-color); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Main Content ---- */
#main-content { display: flex; flex-direction: column; gap: 24px; }
#main-content.hidden { display: none !important; }
.view-content { display: flex; flex-direction: column; gap: 22px; }
.view-content.hidden { display: none !important; }

/* ---- Section Titles ---- */
.section-title {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.1rem; font-weight: 700; letter-spacing: -.3px;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.section-title i { width: 20px; height: 20px; color: var(--accent-color); }

/* ---- Stats Overview ---- */
.stats-overview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex; align-items: center; gap: 16px;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--card-shadow-hover); }
.stat-icon { width: 50px; height: 50px; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; }
.stat-icon i { width: 24px; height: 24px; }
.stat-icon.info { background: var(--info-light); color: var(--info); }
.stat-icon.warning { background: var(--warning-light); color: var(--warning); }
.stat-icon.success { background: var(--success-light); color: var(--success); }
.stat-info { display: flex; flex-direction: column; }
.stat-value { font-size: 2rem; font-weight: 800; line-height: 1; letter-spacing: -1px; }
.stat-label { font-size: .8rem; color: var(--text-secondary); margin-top: 4px; font-weight: 500; }

/* ---- Team Overview Grid (Manager View) ---- */
.team-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.member-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--card-shadow);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}
.member-card:hover { transform: translateY(-3px); box-shadow: var(--card-shadow-hover); }
.member-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--member-color, var(--accent-color));
}
.member-card-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.member-avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; font-weight: 800; color: #fff;
  background: var(--member-color, var(--accent-color));
  flex-shrink: 0;
}
.member-card-name { font-size: 1rem; font-weight: 700; }
.member-card-role { font-size: .75rem; color: var(--text-muted); }
.member-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-bottom: 16px; }
.member-stat-item { text-align: center; }
.member-stat-num { font-size: 1.4rem; font-weight: 800; line-height: 1; }
.member-stat-num.todo-num { color: var(--col-todo-color); }
.member-stat-num.progress-num { color: var(--col-progress-color); }
.member-stat-num.done-num { color: var(--col-done-color); }
.member-stat-label { font-size: .68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; }
.progress-section label { font-size: .75rem; font-weight: 600; color: var(--text-secondary); display: flex; justify-content: space-between; margin-bottom: 6px; }
.progress-bar-bg {
  width: 100%; height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--member-color, var(--accent-color));
  transition: width .6s cubic-bezier(.4,0,.2,1);
}

/* ---- All Tasks Table (Manager View) ---- */
.all-tasks-list-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}
.tasks-table { width: 100%; }
.table-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 120px 100px 90px;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  align-items: center;
  transition: background var(--transition-fast);
}
.table-row:last-child { border-bottom: none; }
.table-row:hover { background: var(--bg-tertiary); }
.table-header {
  background: var(--bg-tertiary);
  font-size: .72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .6px;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
}
.table-row .task-title-cell { font-weight: 600; font-size: .92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.table-row .task-title-cell.completed-text { text-decoration: line-through; color: var(--text-muted); }
.assignee-chip {
  display: inline-flex; align-items: center; gap: 5px;
  background: var(--accent-light); color: var(--accent-color);
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: .75rem; font-weight: 600;
}
.assignee-chip .mini-avatar {
  width: 18px; height: 18px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: .6rem; font-weight: 800;
  color: #fff;
}
.status-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 12px; border-radius: var(--radius-full);
  font-size: .75rem; font-weight: 700;
}
.status-chip.todo { background: rgba(99,102,241,.12); color: #6366f1; }
.status-chip.in_progress { background: rgba(245,158,11,.12); color: #d97706; }
.status-chip.completed { background: rgba(16,185,129,.12); color: #059669; }
.deadline-chip {
  font-size: .76rem; font-weight: 600;
  padding: 4px 9px; border-radius: var(--radius-full);
  white-space: nowrap;
}
.deadline-chip.normal { background: var(--bg-tertiary); color: var(--text-secondary); }
.deadline-chip.warning { background: var(--warning-light); color: var(--warning); }
.deadline-chip.danger { background: var(--danger-light); color: var(--danger); }
.row-actions { display: flex; gap: 4px; }
.row-actions .btn-icon { width: 30px; height: 30px; background: transparent; border: none; }
.row-actions .btn-edit:hover { color: var(--accent-color); }
.row-actions .btn-delete:hover { color: var(--danger); }

/* ---- Member Board Header ---- */
.member-board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
.avatar-area { display: flex; align-items: center; gap: 16px; }
.avatar-letter {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent-color);
  color: #fff;
  font-size: 1.4rem; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(99,102,241,.4);
}
.avatar-area h2 { font-size: 1.3rem; font-weight: 800; letter-spacing: -.4px; }
.subtitle-board { font-size: .8rem; color: var(--text-secondary); margin-top: 2px; }

/* ---- Kanban Board ---- */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  align-items: start;
}
.kanban-column {
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  min-height: 200px;
  transition: all var(--transition-normal);
}
.kanban-column.drag-over {
  border-color: var(--accent-color);
  background: var(--accent-light);
  box-shadow: 0 0 0 2px var(--accent-color);
}
.kanban-column-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px 14px;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.col-todo { border-bottom-color: var(--col-todo-color); }
.col-progress { border-bottom-color: var(--col-progress-color); }
.col-completed { border-bottom-color: var(--col-done-color); }
.col-title-group { display: flex; align-items: center; gap: 8px; }
.col-title-group i { width: 18px; height: 18px; }
.col-todo .col-title-group i { color: var(--col-todo-color); }
.col-progress .col-title-group i { color: var(--col-progress-color); }
.col-completed .col-title-group i { color: var(--col-done-color); }
.kanban-column-header h3 { font-size: .95rem; font-weight: 700; }
.col-count-badge {
  min-width: 26px; height: 26px;
  border-radius: var(--radius-full);
  display: flex; align-items: center; justify-content: center;
  font-size: .78rem; font-weight: 800;
  padding: 0 6px;
}
.col-todo .col-count-badge { background: rgba(99,102,241,.15); color: var(--col-todo-color); }
.col-progress .col-count-badge { background: rgba(245,158,11,.15); color: var(--col-progress-color); }
.col-completed .col-count-badge { background: rgba(16,185,129,.15); color: var(--col-done-color); }

.kanban-cards-container {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 100px;
  flex: 1;
}

/* ---- Kanban Card ---- */
.kanban-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--card-shadow);
  cursor: grab;
  transition: all .2s ease;
  position: relative;
  overflow: hidden;
}
.kanban-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--accent-color);
}
.kanban-card:active { cursor: grabbing; }
.kanban-card.dragging {
  opacity: .35;
  transform: scale(.97);
  border-style: dashed;
  border-color: var(--accent-color);
  box-shadow: none;
}
.kanban-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--card-accent, var(--accent-color));
  border-radius: 4px 0 0 4px;
}
.kanban-card-title {
  font-size: .93rem; font-weight: 700;
  line-height: 1.4;
  margin-bottom: 6px;
  padding-right: 30px;
}
.kanban-card-title.completed-text { text-decoration: line-through; color: var(--text-muted); }
.kanban-card-desc {
  font-size: .8rem; color: var(--text-secondary);
  line-height: 1.5; margin-bottom: 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.kanban-card-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.kanban-card-actions {
  position: absolute; top: 10px; right: 10px;
  display: flex; gap: 2px;
  opacity: 0; transition: opacity var(--transition-fast);
}
.kanban-card:hover .kanban-card-actions { opacity: 1; }
.kanban-card-actions .btn-icon {
  width: 26px; height: 26px;
  background: var(--bg-tertiary);
  border: none;
}
.kanban-card-actions .btn-icon i { width: 13px; height: 13px; }
.card-date-badge {
  font-size: .7rem; font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.card-date-badge.normal { background: var(--bg-tertiary); color: var(--text-secondary); }
.card-date-badge.warning { background: var(--warning-light); color: var(--warning); }
.card-date-badge.danger { background: var(--danger-light); color: var(--danger); }
.color-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---- Empty State ---- */
.tasks-empty {
  text-align: center; padding: 80px 20px;
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  background: var(--bg-secondary);
  border: 1.5px dashed var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
}
.tasks-empty.hidden { display: none !important; }
.empty-illustration {
  width: 74px; height: 74px;
  border-radius: 50%;
  background: var(--accent-light); color: var(--accent-color);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  animation: float 3s ease-in-out infinite;
}
.empty-illustration i { width: 34px; height: 34px; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-8px)} }
.tasks-empty h3 { font-size: 1.25rem; font-weight: 700; }
.tasks-empty p { color: var(--text-secondary); font-size: .93rem; max-width: 340px; line-height: 1.6; }

/* ---- Modal ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.45);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.modal-overlay.hidden { display: none !important; }
.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 100%; max-width: 540px;
  box-shadow: var(--modal-shadow);
  display: flex; flex-direction: column;
  animation: slideUp var(--transition-normal);
  max-height: 90vh;
  overflow: hidden;
}
.modal-small { max-width: 420px; }
@keyframes slideUp { from{transform:translateY(20px);opacity:0} to{transform:translateY(0);opacity:1} }
.modal-header {
  padding: 22px 26px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex; justify-content: space-between; align-items: center;
}
.modal-header h2 { font-size: 1.2rem; font-weight: 800; letter-spacing: -.4px; }
.modal-body {
  padding: 24px 26px;
  overflow-y: auto;
  display: flex; flex-direction: column; gap: 18px;
}
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-size: .85rem; font-weight: 700; }
.required { color: var(--danger); }
.form-group input[type="text"],
.form-group input[type="date"],
.form-group textarea,
.form-group select {
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: .93rem;
  outline: none; width: 100%;
  transition: all var(--transition-fast);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.error-msg { font-size: .76rem; color: var(--danger); font-weight: 600; display: none; }
.form-group.invalid input { border-color: var(--danger); }
.form-group.invalid .error-msg { display: block; }
.color-picker-grid { display: grid; grid-template-columns: repeat(8,1fr); gap: 8px; }
.color-option {
  aspect-ratio: 1; border-radius: 50%;
  cursor: pointer; position: relative;
  display: flex; align-items: center; justify-content: center;
  transition: transform var(--transition-fast);
}
.color-option:hover { transform: scale(1.12); }
.color-option input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }
.color-checkmark {
  width: 100%; height: 100%; border-radius: 50%;
  border: 2px solid transparent;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}
.color-option input[type="radio"]:checked ~ .color-checkmark {
  border-color: var(--text-primary);
  box-shadow: inset 0 0 0 3px var(--bg-secondary);
}
.color-custom { background: var(--bg-primary) !important; border: 1px solid var(--border-color); overflow: hidden; }
.color-custom input[type="color"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.color-custom .custom-icon { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; color: var(--text-secondary); }
.color-custom .custom-icon i { width: 13px; height: 13px; }
.modal-actions {
  padding: 16px 26px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  display: flex; justify-content: flex-end; gap: 10px;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}
.warning-text {
  font-size: .84rem; color: var(--danger);
  background: var(--danger-light);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; gap: 8px; font-weight: 500;
}
.warning-text i { width: 16px; height: 16px; flex-shrink: 0; }

/* ---- Toast ---- */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 2000; max-width: 320px; width: 100%;
}
.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  box-shadow: var(--modal-shadow);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  display: flex; align-items: center; gap: 12px;
  color: var(--text-primary); font-size: .87rem; font-weight: 500;
  border-left: 4px solid var(--accent-color);
  animation: toastIn .3s cubic-bezier(.16,1,.3,1), toastOut .3s ease 4.7s forwards;
}
.toast i { width: 18px; height: 18px; flex-shrink: 0; }
.toast.success { border-left-color: var(--success); }
.toast.success i { color: var(--success); }
.toast.warning { border-left-color: var(--warning); }
.toast.warning i { color: var(--warning); }
.toast.error { border-left-color: var(--danger); }
.toast.error i { color: var(--danger); }
.toast.info { border-left-color: var(--info); }
.toast.info i { color: var(--info); }
@keyframes toastIn { from{transform:translateY(20px) scale(.9);opacity:0} to{transform:translateY(0) scale(1);opacity:1} }
@keyframes toastOut { to{transform:translateX(110%);opacity:0} }

/* ---- Footer ---- */
.app-footer { text-align: center; color: var(--text-muted); font-size: .78rem; font-weight: 500; padding: 20px 0 0; }

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .kanban-board { grid-template-columns: 1fr; }
  .stats-overview { grid-template-columns: repeat(3,1fr); }
  .table-row { grid-template-columns: 1fr 1fr; }
  .table-header { display: none; }
}
@media (max-width: 640px) {
  .app-container { padding: 12px 12px 30px; gap: 14px; }
  .app-header { flex-direction: column; align-items: flex-start; }
  .header-right { width: 100%; justify-content: space-between; }
  .stats-overview { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .team-overview-grid { grid-template-columns: 1fr; }
  .view-navigation { width: 100%; }
  .tab-btn { flex: 1; justify-content: center; }
  .color-picker-grid { grid-template-columns: repeat(4,1fr); }
  .toast-container { left: 12px; right: 12px; max-width: none; bottom: 12px; }
}