:root {
  --bg-color: #0f172a;
  --surface-color: #1e293b;
  --surface-hover: #334155;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary-color: #38bdf8;
  --primary-hover: #0284c7;
  --primary-text: #0f172a;
  --col-todo-bg: rgba(56, 189, 248, 0.05);
  --col-doing-bg: rgba(251, 191, 36, 0.05);
  --col-done-bg: rgba(52, 211, 153, 0.05);
  --badge-todo: #0284c7;
  --badge-doing: #d97706;
  --badge-done: #059669;
  --danger-color: #ef4444;
  --success-color: #10b981;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.5);
  --font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Telegram theme variables override if present */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: var(--tg-theme-bg-color, #0f172a);
    --surface-color: var(--tg-theme-secondary-bg-color, #1e293b);
    --text-main: var(--tg-theme-text-color, #f8fafc);
    --text-muted: var(--tg-theme-hint-color, #94a3b8);
    --primary-color: var(--tg-theme-button-color, #38bdf8);
    --primary-text: var(--tg-theme-button-text-color, #0f172a);
  }
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  direction: rtl;
  overflow-x: hidden;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.app-header {
  background: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-icon {
  font-size: 26px;
  line-height: 1;
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 999px;
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, #38bdf8, #818cf8);
  color: #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.8rem;
  font-weight: 600;
}

.user-role {
  font-size: 0.65rem;
  color: var(--primary-color);
}

/* Controls */
.controls-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.project-selector-wrapper {
  flex: 1;
  min-width: 140px;
}

.project-select {
  width: 100%;
  background: var(--bg-color);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  outline: none;
  cursor: pointer;
}

.search-wrapper {
  flex: 1.5;
  min-width: 150px;
}

.search-input {
  width: 100%;
  background: var(--bg-color);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  outline: none;
}

.search-input:focus, .project-select:focus {
  border-color: var(--primary-color);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--primary-text);
}

.btn-primary:hover {
  filter: brightness(0.9);
}

.btn-secondary {
  background: var(--surface-hover);
  color: var(--text-main);
}

.btn-success {
  background: var(--success-color);
  color: #fff;
}

.btn-danger {
  background: var(--danger-color);
  color: #fff;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.75rem;
}

/* Main Kanban Layout */
.kanban-main {
  flex: 1;
  padding: 16px;
  overflow-x: auto;
}

.kanban-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(280px, 1fr));
  gap: 16px;
  align-items: start;
}

@media (max-width: 900px) {
  .kanban-board {
    display: flex;
    flex-direction: column;
    gap: 16px;
  }
}

.kanban-column {
  background: var(--surface-color);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  min-height: 400px;
  box-shadow: var(--shadow-sm);
}

.col-todo { background: linear-gradient(180deg, var(--col-todo-bg), var(--surface-color)); }
.col-doing { background: linear-gradient(180deg, var(--col-doing-bg), var(--surface-color)); }
.col-done { background: linear-gradient(180deg, var(--col-done-bg), var(--surface-color)); }

.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.column-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.column-title h2 {
  font-size: 0.95rem;
  font-weight: 700;
}

.col-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.dot-todo { background: var(--badge-todo); }
.dot-doing { background: var(--badge-doing); }
.dot-done { background: var(--badge-done); }

.task-count {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.cards-list {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-height: 200px;
}

.cards-list.drag-over {
  background: rgba(56, 189, 248, 0.1);
  border: 2px dashed var(--primary-color);
  border-radius: var(--radius-md);
}

/* Task Cards */
.task-card {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  user-select: none;
}

.task-card:hover {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.task-card.is-dragging {
  opacity: 0.5;
  transform: scale(0.98);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.card-badges {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.badge-urgent { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }
.badge-high { background: rgba(245, 158, 11, 0.2); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.4); }
.badge-normal { background: rgba(56, 189, 248, 0.15); color: #38bdf8; }
.badge-low { background: rgba(148, 163, 184, 0.15); color: #94a3b8; }

.badge-overdue {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.card-title {
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-main);
}

.pending-manager-tag {
  background: rgba(234, 179, 8, 0.15);
  border: 1px dashed #eab308;
  color: #facc15;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.card-assignee {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.avatar-mini {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--surface-hover);
  color: var(--primary-color);
  font-size: 0.65rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-move-arrow {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all 0.15s;
}

.btn-move-arrow:hover {
  background: var(--primary-color);
  color: var(--primary-text);
  border-color: var(--primary-color);
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
  transition: opacity 0.2s;
}

.modal-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  animation: modalEnter 0.2s ease-out;
}

@keyframes modalEnter {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-title {
  font-size: 1rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.manager-banner {
  background: rgba(234, 179, 8, 0.1);
  border: 1px solid #eab308;
  border-radius: var(--radius-sm);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.8rem;
  color: #facc15;
}

.banner-actions {
  display: flex;
  gap: 8px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  background: var(--bg-color);
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
}

.meta-label {
  color: var(--text-muted);
}

.meta-value {
  font-weight: 600;
}

.section-title {
  font-size: 0.88rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.reports-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 200px;
  overflow-y: auto;
}

.report-item {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.report-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.report-text {
  font-size: 0.82rem;
  line-height: 1.4;
}

.add-report-box {
  background: var(--bg-color);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.report-textarea {
  width: 100%;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: var(--radius-sm);
  padding: 8px;
  font-size: 0.82rem;
  resize: vertical;
  outline: none;
  margin-bottom: 8px;
}

.report-textarea:focus {
  border-color: var(--primary-color);
}

.report-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
  cursor: pointer;
}

/* Forms */
.form-body {
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.form-input {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  outline: none;
}

.form-input:focus {
  border-color: var(--primary-color);
}

.form-row {
  display: flex;
  gap: 10px;
}

.flex-1 { flex: 1; }

.form-hint {
  font-size: 0.75rem;
  color: #eab308;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border-color);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #1e293b;
  color: #fff;
  border: 1px solid var(--primary-color);
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  transition: all 0.25s ease;
}

.toast.toast-error {
  border-color: var(--danger-color);
  background: #450a0a;
}

.toast.toast-success {
  border-color: var(--success-color);
  background: #064e3b;
}

.hidden {
  display: none !important;
}

.empty-note, .loading-placeholder {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  padding: 24px 0;
}

/* ==========================================================================
   View Switcher & Views
   ========================================================================== */
.view-switcher-bar {
  margin-top: 10px;
  display: flex;
  justify-content: center;
}

.view-switcher {
  display: flex;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 4px;
  width: 100%;
  max-width: 500px;
}

.view-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 7px 12px;
  border-radius: 4px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.view-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.view-btn.active {
  background: var(--primary-color);
  color: var(--primary-text);
  box-shadow: var(--shadow-sm);
}

.view-section {
  display: block;
}

.view-section.hidden {
  display: none !important;
}

/* ==========================================================================
   Jalali Calendar Styles
   ========================================================================== */
.calendar-wrapper {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 10px;
}

.cal-nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cal-month-title {
  font-size: 1.1rem;
  font-weight: 700;
  min-width: 130px;
  text-align: center;
}

.calendar-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.cal-friday {
  color: #f87171;
}

.cal-days-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.cal-day-cell {
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  min-height: 95px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.15s;
  position: relative;
}

.cal-day-cell:hover {
  border-color: var(--primary-color);
}

.cal-day-cell.is-other-month {
  opacity: 0.35;
  background: rgba(0, 0, 0, 0.2);
}

.cal-day-cell.is-today {
  border: 2px solid var(--primary-color);
  background: rgba(56, 189, 248, 0.05);
}

.cal-day-cell.is-friday .cal-day-number {
  color: #f87171;
}

.cal-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.cal-day-number {
  font-size: 0.82rem;
  font-weight: 700;
}

.cal-today-badge {
  font-size: 0.6rem;
  background: var(--primary-color);
  color: var(--primary-text);
  padding: 1px 4px;
  border-radius: 4px;
  font-weight: 700;
}

.cal-add-btn {
  opacity: 0;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--text-main);
  border-radius: 50%;
  width: 18px;
  height: 18px;
  font-size: 0.7rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s;
}

.cal-day-cell:hover .cal-add-btn {
  opacity: 1;
}

.cal-day-tasks {
  display: flex;
  flex-direction: column;
  gap: 3px;
  overflow-y: auto;
  max-height: 80px;
}

.cal-task-chip {
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.1s;
}

.cal-task-chip:hover {
  transform: scale(1.02);
  filter: brightness(1.1);
}

.chip-status-todo {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

.chip-status-doing {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}

.chip-status-done {
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
  border-color: rgba(52, 211, 153, 0.3);
}

.cal-undated-box {
  margin-top: 14px;
  background: var(--bg-color);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
}

.cal-undated-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.cal-undated-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip-overdue {
  border-color: #ef4444 !important;
}

/* ==========================================================================
   Gantt View Styles
   ========================================================================== */
.gantt-wrapper {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.gantt-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.gantt-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-main);
}

.gantt-subtitle {
  font-size: 0.8rem;
  color: var(--primary-color);
  margin-right: 8px;
}

.gantt-scroll-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-color);
}

.gantt-container {
  display: flex;
  min-width: 850px;
  position: relative;
}

.gantt-sidebar {
  width: 250px;
  min-width: 250px;
  border-left: 1px solid var(--border-color);
  background: var(--surface-color);
  z-index: 10;
  position: sticky;
  right: 0;
}

.gantt-sidebar-header {
  height: 44px;
  padding: 10px 12px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

.gantt-sidebar-row {
  height: 42px;
  padding: 8px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.15s;
}

.gantt-sidebar-row:hover {
  background: rgba(255, 255, 255, 0.04);
}

.gantt-task-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
  color: var(--text-main);
}

.gantt-timeline-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.gantt-timeline-header {
  display: flex;
  height: 44px;
  border-bottom: 1px solid var(--border-color);
  background: var(--surface-color);
}

.gantt-day-col {
  width: 40px;
  min-width: 40px;
  border-left: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  color: var(--text-muted);
}

.gantt-day-col.is-today {
  background: rgba(56, 189, 248, 0.1);
  color: var(--primary-color);
  font-weight: 700;
}

.gantt-day-col.is-friday {
  color: #f87171;
}

.gantt-timeline-body {
  display: flex;
  flex-direction: column;
  position: relative;
}

.gantt-timeline-row {
  height: 42px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  display: flex;
  align-items: center;
}

.gantt-bar {
  position: absolute;
  height: 24px;
  border-radius: 4px;
  padding: 0 8px;
  display: flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, filter 0.15s;
}

.gantt-bar:hover {
  transform: translateY(-1px);
  filter: brightness(1.15);
  z-index: 20;
}

.gantt-bar-todo {
  background: linear-gradient(90deg, #0284c7, #38bdf8);
}

.gantt-bar-doing {
  background: linear-gradient(90deg, #d97706, #fbbf24);
}

.gantt-bar-done {
  background: linear-gradient(90deg, #059669, #34d399);
}

.gantt-bar-overdue {
  border: 2px solid #ef4444;
}

.gantt-today-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #38bdf8;
  z-index: 15;
  pointer-events: none;
}


/* =========================================================================
   Mizito-Style Teammates Live Presence Bar & Status
   ========================================================================= */
.presence-bar-container {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  margin-bottom: 12px;
}

.presence-bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.presence-bar-title-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.presence-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.presence-title {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}

.btn-presence-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-presence-toggle:hover {
  background: var(--surface-hover);
  border-color: var(--primary-color);
}

.presence-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot-online { background-color: #10b981; box-shadow: 0 0 6px #10b981; }
.dot-busy { background-color: #f59e0b; box-shadow: 0 0 6px #f59e0b; }
.dot-meeting { background-color: #3b82f6; box-shadow: 0 0 6px #3b82f6; }
.dot-leave { background-color: #94a3b8; }

.presence-cards-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.presence-card {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 4px 12px 4px 8px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: transform 0.15s, border-color 0.15s;
}

.presence-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

.presence-avatar-wrap {
  position: relative;
  width: 26px;
  height: 26px;
}

.presence-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.presence-badge-dot {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--surface-color);
}

.presence-info-text {
  display: flex;
  flex-direction: column;
}

.presence-name {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-main);
}

.presence-activity {
  font-size: 0.68rem;
  color: var(--primary-color);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.presence-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 6px;
}

.presence-opt-label input[type="radio"] {
  display: none;
}

.presence-opt-label .opt-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s;
}

.presence-opt-label input[type="radio"]:checked + .opt-box {
  border-color: var(--primary-color);
  background: rgba(56, 189, 248, 0.1);
  color: var(--primary-color);
  font-weight: 600;
}

/* =========================================================================
   Task Progress Slider & Checklist
   ========================================================================= */
.progress-section {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-top: 14px;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.progress-pct {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--primary-color);
}

.progress-slider-wrap {
  width: 100%;
}

#modal-progress-slider {
  width: 100%;
  accent-color: var(--primary-color);
  cursor: pointer;
}

/* Task card progress bar */
.card-progress-wrap {
  width: 100%;
  height: 5px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin: 6px 0 4px 0;
}

.card-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #38bdf8, #10b981);
  border-radius: 3px;
  transition: width 0.3s ease;
}

/* Checklist Section */
.checklist-section {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-top: 14px;
}

.checklist-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.checklist-counter {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 8px;
  border-radius: 12px;
}

.checklist-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
  max-height: 220px;
  overflow-y: auto;
}

.checklist-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 0.82rem;
  transition: all 0.15s;
}

.checklist-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.checklist-item-check {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  cursor: pointer;
}

.checklist-item.done .checklist-item-text {
  text-decoration: line-through;
  color: var(--text-muted);
  opacity: 0.6;
}

.checklist-item-del {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.85rem;
}

.checklist-item-del:hover {
  color: var(--danger-color);
  background: rgba(239, 68, 68, 0.1);
}

.checklist-add-row {
  display: flex;
  gap: 8px;
}

/* =========================================================================
   Personal Notes ("یادداشت‌های من")
   ========================================================================= */
.notes-wrapper {
  padding: 16px;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

.notes-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.notes-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.notes-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.note-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  min-height: 140px;
}

.note-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.note-card.is-pinned {
  border-color: #f59e0b;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.2);
}

.note-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.note-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
}

.note-card-actions {
  display: flex;
  gap: 4px;
}

.note-icon-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  opacity: 0.7;
  transition: opacity 0.15s;
  padding: 2px;
}

.note-icon-btn:hover {
  opacity: 1;
}

.note-card-body {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
  margin-bottom: 12px;
  flex: 1;
}

.note-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.68rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 6px;
}

/* =========================================================================
   Letters / Correspondence ("کارتابل و نامه‌های اداری")
   ========================================================================= */
.letters-wrapper {
  padding: 16px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.letters-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.letters-tabs {
  display: flex;
  gap: 6px;
  background: var(--surface-color);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.letter-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.letter-tab-btn.active {
  background: var(--primary-color);
  color: var(--primary-text);
}

.letters-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.letter-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.letter-card:hover {
  border-color: var(--primary-color);
  transform: translateX(-2px);
}

.letter-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.letter-number {
  font-family: monospace;
  font-weight: 700;
  color: var(--primary-color);
  font-size: 0.82rem;
}

.letter-subject {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.letter-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.74rem;
  color: var(--text-muted);
}

.letter-content-box {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 0.88rem;
  line-height: 1.6;
  white-space: pre-wrap;
  margin-top: 10px;
}

.parafs-section {
  margin-top: 16px;
}

.parafs-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
  max-height: 200px;
  overflow-y: auto;
}

.paraf-item {
  background: var(--surface-color);
  border-right: 3px solid var(--primary-color);
  border-top: 1px solid var(--border-color);
  border-left: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 8px 12px;
  font-size: 0.8rem;
}

.paraf-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 0.72rem;
}

.add-paraf-box {
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.paraf-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
}

.board-top-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  padding: 0 4px;
}

.board-stats-text {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* =========================================================================
   MOBILE / TOUCH OPTIMIZATION LAYER
   ========================================================================= */
html, body {
  -webkit-text-size-adjust: 100%;
  overscroll-behavior-y: none;
}

.app-container {
  min-height: var(--app-height, 100vh);
  padding-bottom: env(safe-area-inset-bottom);
}

/* View tabs now live outside the header: keep them pinned. */
.view-switcher-bar {
  position: sticky;
  top: 0;
  z-index: 60;
  margin-top: 0;
  padding: 6px 12px;
  background: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
}

.app-header { position: relative; z-index: 50; }

.recipient-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 180px;
  overflow-y: auto;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 6px;
}

.recipient-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
}

.recipient-item input { width: 18px; height: 18px; accent-color: var(--primary-color); }

.cal-day-dots { display: none; }

.cal-day-cell.is-selected { border-color: var(--primary-color); }

.cal-day-detail {
  margin-top: 14px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 12px;
}

.cal-day-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.cal-day-detail-list { display: flex; flex-direction: column; gap: 6px; }
.cal-day-detail-list .cal-task-chip { padding: 10px; font-size: 0.82rem; white-space: normal; }
.chip-title { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.chip-who { font-size: 0.7rem; opacity: 0.8; }

/* Hover effects only on devices that actually hover (avoids "stuck" states on touch). */
@media (hover: none) {
  .task-card:hover,
  .note-card:hover,
  .letter-card:hover,
  .presence-card:hover,
  .cal-task-chip:hover,
  .gantt-bar:hover {
    transform: none;
    box-shadow: none;
    filter: none;
  }
  .cal-add-btn { opacity: 1; }
  .task-card:active { transform: scale(0.98); }
}

@media (max-width: 640px) {
  /* --- Header: compact --- */
  .app-header { padding: 8px 10px; }
  .header-top { margin-bottom: 8px; }
  .brand-icon { font-size: 22px; }
  .brand-title { font-size: 0.95rem; }
  .brand-sub { display: none; }
  .user-pill { padding: 3px 8px; }
  .user-role { display: none; }
  .user-name { max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  .presence-bar-container { padding: 6px 8px; margin-bottom: 8px; }
  .presence-title { font-size: 0.72rem; }
  .presence-cards-scroll { scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .presence-cards-scroll::-webkit-scrollbar { display: none; }
  .presence-card { scroll-snap-align: start; padding: 3px 10px 3px 6px; }
  .presence-activity { max-width: 110px; }

  /* Controls: project full width, search + add button on one row */
  .controls-bar { gap: 6px; }
  .project-selector-wrapper { flex: 1 1 100%; }
  .search-wrapper { flex: 1 1 0; min-width: 0; }
  .btn-add-task { flex: 0 0 auto; padding: 0 12px; }
  .btn-add-task span:last-child { display: none; }

  /* iOS zooms into inputs with font-size < 16px */
  input, select, textarea,
  .form-input, .search-input, .project-select, .report-textarea {
    font-size: 16px !important;
  }
  .project-select, .search-input, .form-input { min-height: 42px; }

  /* --- Tabs: icon over short label, all 5 fit on a 360px screen --- */
  .view-switcher-bar { padding: 4px 6px; }
  .view-switcher { max-width: none; gap: 2px; }
  .view-btn { flex-direction: column; gap: 1px; padding: 6px 2px; font-size: 0.68rem; min-height: 46px; }
  .vb-icon { font-size: 1.05rem; line-height: 1; }

  /* --- Main --- */
  .kanban-main { padding: 10px 0; overflow-x: hidden; }
  .view-section > *:not(.kanban-board):not(.board-top-actions) { margin-left: 8px; margin-right: 8px; }
  .board-top-actions { padding: 0 12px; flex-wrap: wrap; gap: 6px; }

  /* --- Kanban: horizontal swipe between columns instead of a very long page --- */
  .kanban-board {
    display: flex !important;
    flex-direction: row !important;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 10px;
    padding: 0 12px 8px;
    scrollbar-width: none;
  }
  .kanban-board::-webkit-scrollbar { display: none; }
  .kanban-column {
    flex: 0 0 86%;
    scroll-snap-align: center;
    min-height: auto;
    max-height: calc(var(--app-height, 100vh) - 190px);
  }
  .cards-list { overflow-y: auto; min-height: 120px; padding: 10px; -webkit-overflow-scrolling: touch; }
  .column-header { padding: 10px 12px; }

  .task-card { padding: 12px; }
  .card-title { font-size: 0.92rem; }
  .badge { font-size: 0.7rem; padding: 3px 7px; }
  /* Tap targets >= 40px */
  .btn-move-arrow { width: 40px; height: 36px; font-size: 1rem; border-radius: 8px; }

  /* --- Modals become bottom sheets --- */
  .modal-overlay { align-items: flex-end; padding: 0; }
  .modal-card {
    max-width: 100%;
    max-height: calc(var(--app-height, 100vh) - 24px);
    border-radius: 18px 18px 0 0;
    border-bottom: none;
    animation: sheetUp 0.22s ease-out;
    padding-bottom: env(safe-area-inset-bottom);
  }
  .modal-header { padding: 12px 14px; position: sticky; top: 0; background: var(--surface-color); }
  .modal-title { font-size: 0.95rem; }
  .modal-close { width: 40px; height: 40px; font-size: 1.8rem; }
  .modal-body { padding: 12px 14px; gap: 12px; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; }
  .modal-footer { padding: 10px 14px; }
  .modal-footer .btn { flex: 1; min-height: 44px; }

  .form-row { flex-direction: column; gap: 12px; }
  .meta-grid { grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px; }
  .report-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .report-actions .btn { min-height: 44px; }
  .checklist-add-row { flex-direction: row; }
  .checklist-add-row .btn { flex: 0 0 auto; min-height: 42px; }
  .checklist-item { padding: 10px; }
  .checklist-item input[type="checkbox"] { width: 20px; height: 20px; }
  .checklist-item-del { width: 36px; height: 36px; }
  #modal-progress-slider { height: 28px; }
  .banner-actions .btn { flex: 1; min-height: 40px; }
  .presence-options-grid { gap: 6px; }
  .presence-opt-label .opt-box { padding: 12px 10px; }
  .paraf-actions { flex-direction: column; align-items: stretch; gap: 8px; }
  .paraf-actions select { width: 100% !important; }

  /* --- Calendar: compact cells with a count badge; tasks listed below on tap --- */
  .calendar-wrapper { padding: 10px; border-radius: var(--radius-md); }
  .calendar-toolbar { gap: 8px; }
  .cal-nav { width: 100%; justify-content: space-between; gap: 6px; }
  .cal-month-title { font-size: 0.95rem; min-width: 0; }
  #cal-today { width: 100%; }
  .cal-weekdays { font-size: 0.75rem; }
  .cal-days-grid { gap: 3px; }
  .cal-day-cell { min-height: 48px; padding: 4px 2px; align-items: center; border-radius: 8px; cursor: pointer; }
  .cal-day-header { justify-content: center; }
  .cal-today-badge, .cal-add-btn, .cal-day-tasks { display: none !important; }
  .cal-day-dots {
    display: block;
    font-size: 0.62rem;
    font-weight: 700;
    background: var(--primary-color);
    color: var(--primary-text);
    border-radius: 999px;
    padding: 0 6px;
    line-height: 1.5;
  }

  /* --- Gantt: narrower sidebar so the timeline is visible --- */
  .gantt-wrapper { padding: 10px; }
  .gantt-container { min-width: 0; }
  .gantt-sidebar { width: 120px; min-width: 120px; }
  .gantt-sidebar-row { padding: 6px 8px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2px; }
  .gantt-sidebar-row .badge { font-size: 0.6rem; }
  .gantt-scroll-container { -webkit-overflow-scrolling: touch; }

  /* --- Notes & letters --- */
  .notes-wrapper, .letters-wrapper { padding: 4px 4px; }
  .notes-toolbar, .letters-toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
  .notes-toolbar .btn, .letters-toolbar .btn { min-height: 42px; }
  .notes-title { font-size: 0.95rem; }
  .notes-subtitle { display: none; }
  .notes-grid { grid-template-columns: 1fr; gap: 10px; }
  .note-icon-btn { width: 36px; height: 36px; font-size: 1.05rem; }
  .letters-tabs { width: 100%; }
  .letter-tab-btn { flex: 1; min-height: 40px; }

  /* --- Toast above the safe area, full width --- */
  .toast {
    left: 12px;
    right: 12px;
    transform: none;
    bottom: calc(16px + env(safe-area-inset-bottom));
    border-radius: 12px;
    text-align: center;
  }
}

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

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
@media (max-width: 640px) {
  .btn-add-task { min-height: 42px; min-width: 46px; font-size: 1.1rem; }
}

/* workflow section in task modal: review, subtasks, dependencies, comments, history */
.workflow-box { margin: 12px 0; display: flex; flex-direction: column; gap: 8px; }
.workflow-box h4 { margin: 8px 0 4px; }
.workflow-box .wf-row { line-height: 1.8; }
.review-actions { padding: 10px; border-radius: 10px; background: rgba(245, 158, 11, 0.12); border: 1px solid rgba(245, 158, 11, 0.4); }
.review-buttons { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.comment-add { display: flex; gap: 8px; }
.comment-add input { flex: 1; min-width: 0; }
.timeline-box summary { cursor: pointer; margin: 6px 0; }
.task-key { font-family: monospace; direction: ltr; }