/* ==============================
   SCREENSHOT UPLOAD COMPONENTS
   ============================== */

/* Drop zone */
.screenshot-dropzone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--gray-50);
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  outline: none !important;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.screenshot-dropzone:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

.screenshot-dropzone:focus,
.screenshot-dropzone:focus-visible,
.screenshot-dropzone:active {
  outline: none !important;
  box-shadow: none;
}

.screenshot-dropzone.drag-over {
  border-color: var(--primary);
  background: var(--primary-light);
  border-style: solid;
}

/* Drag over document (файл перетаскивается над страницей) */
.screenshot-dropzone.drag-over-document {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.08);
  border-style: solid;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
  transform: scale(1.02);
  transition: all 0.2s ease;
}

.screenshot-dropzone-icon {
  width: 40px;
  height: 40px;
  color: var(--gray-400);
}

.screenshot-dropzone-text {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  font-weight: 500;
}

.screenshot-dropzone-hint {
  font-size: var(--font-size-xs);
  color: var(--gray-400);
}

/* Preview grid */
.screenshot-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.screenshot-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  background: var(--white);
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.screenshot-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.screenshot-item .screenshot-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.6);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.screenshot-item:hover .screenshot-remove {
  opacity: 1;
}

.screenshot-item .screenshot-size {
  position: absolute;
  bottom: 4px;
  left: 4px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.6);
  color: var(--white);
  font-size: 10px;
  line-height: 1.2;
}

/* File type icon inside item (for docs, pdf etc) */
.screenshot-file-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: var(--gray-50);
  color: var(--gray-400);
}

.screenshot-filename {
  position: absolute;
  bottom: 24px;
  left: 4px;
  right: 4px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.6);
  color: var(--white);
  font-size: 10px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Preview notification count badge */
.screenshot-preview-hint {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-top: var(--spacing-xs);
  text-align: center;
}

/* Attachment indicator in tasks table */
.attachment-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  cursor: default;
  opacity: 0.7;
  transition: opacity var(--transition-base);
}

.attachment-indicator:hover {
  opacity: 1;
}

/* Color picker */
.color-picker-wrapper {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.color-picker-wrapper .color-picker {
  width: 48px;
  height: 40px;
  padding: 2px;
  border-radius: var(--radius-md);
  cursor: pointer;
  flex-shrink: 0;
}

.color-picker-wrapper .color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-picker-wrapper .color-picker::-webkit-color-swatch {
  border: none;
  border-radius: 4px;
}

.color-picker-wrapper input[type="text"] {
  flex: 1;
  font-family: monospace;
  letter-spacing: 0.5px;
}

/* Project status badges */
.badge-status-planning { background: var(--status-new); color: var(--white); }
.badge-status-active { background: var(--status-in-progress); color: var(--white); }
.badge-status-paused { background: var(--warning); color: var(--white); }
.badge-status-completed { background: var(--status-done); color: var(--white); }
.badge-status-archived { background: var(--gray-400); color: var(--white); }

.badge-status-progress { background: var(--status-in-progress); color: var(--white); }
.badge-status-done { background: var(--status-done); color: var(--white); }
.badge-status-new { background: var(--status-new); color: var(--white); }

/* Progress bar */
.progress-bar {
  height: 6px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--primary);
  transition: width var(--transition-smooth);
}

.progress-bar-fill.success {
  background: var(--success);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl) var(--spacing-xl);
  color: var(--gray-500);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-lg);
  color: var(--gray-300);
}

.empty-state h3 {
  font-size: var(--font-size-lg);
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

/* Notification toast */
.notification-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  z-index: 9999;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-smooth);
  pointer-events: none;
}

.notification-toast.show {
  transform: translateY(0);
  opacity: 1;
}

.notification-toast-success {
  background: var(--success);
}

.notification-toast-error {
  background: var(--error);
}

.notification-toast-warning {
  background: var(--warning);
}

/* ==============================
   LAYOUT COMPONENTS
   ============================== */

/* App Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--white);
  border-right: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-smooth);
}

.sidebar-logo {
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  border-bottom: 1px solid var(--gray-200);
  height: var(--header-height);
}

.sidebar-logo img {
  width: 32px;
  height: 32px;
}

.sidebar-logo span {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-900);
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
}

.sidebar-nav-section {
  margin-bottom: var(--spacing-lg);
}

.sidebar-nav-section-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--gray-600);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-base);
  cursor: pointer;
  margin-bottom: 2px;
}

.sidebar-nav-item:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.sidebar-nav-item.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.sidebar-nav-item .nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-nav-item .nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: var(--white);
  font-size: var(--font-size-xs);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header */
.header {
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-xl);
  position: sticky;
  top: 0;
  z-index: 50;
  gap: var(--spacing-lg);
}

.header-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.header-search input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  padding-left: 36px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--gray-50);
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
}

.header-search input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.header-search .search-icon {
  position: absolute;
  left: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  width: 18px;
  height: 18px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.header-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--gray-500);
  transition: all var(--transition-base);
  position: relative;
}

.header-btn:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.header-btn .badge {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  background: var(--error);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 2px solid var(--white);
}

/* Mini Timer in Header */
.mini-timer {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--success-light);
  border-radius: var(--radius-md);
  color: var(--success);
  font-weight: 600;
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.mini-timer .timer-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: var(--radius-full);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.user-avatar-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 2px 8px 2px 2px;
  border-radius: var(--radius-full);
  transition: background var(--transition-base);
}

.user-avatar-btn:hover {
  background: var(--gray-100);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.user-avatar img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  object-fit: cover;
}

.user-avatar-btn .user-name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
}

/* Page Content */
.page-content {
  padding: var(--spacing-xl);
  flex: 1;
}

/* ==============================
   BUTTONS
   ============================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-base);
  white-space: nowrap;
  border: 1px solid transparent;
  line-height: 1.4;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-700);
  border-color: var(--gray-300);
}

.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
  color: var(--gray-800);
}

.btn-success {
  background: var(--success);
  color: var(--white);
  border-color: var(--success);
}

.btn-success:hover {
  background: #059669;
  border-color: #059669;
  color: var(--white);
}

.btn-danger {
  background: var(--error);
  color: var(--white);
  border-color: var(--error);
}

.btn-danger:hover {
  background: #DC2626;
  border-color: #DC2626;
  color: var(--white);
}

.btn-warning {
  background: var(--warning);
  color: var(--white);
  border-color: var(--warning);
}

.btn-warning:hover {
  background: #D97706;
  border-color: #D97706;
  color: var(--white);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.btn-sm {
  padding: 4px var(--spacing-md);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-icon.btn-sm {
  width: 28px;
  height: 28px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn .spinner {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: var(--radius-full);
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ==============================
   FORMS
   ============================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-xs);
}

.form-label .required {
  color: var(--error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  background: var(--white);
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
  color: var(--gray-900);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--error);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 32px;
  cursor: pointer;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--gray-700);
}

.form-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  cursor: pointer;
  accent-color: var(--primary);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--error);
  margin-top: var(--spacing-xs);
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-top: var(--spacing-xs);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

/* ==============================
   BADGES & TAGS
   ============================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 500;
  white-space: nowrap;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
}

.badge-success {
  background: var(--success-light);
  color: #059669;
}

.badge-warning {
  background: var(--warning-light);
  color: #D97706;
}

.badge-error {
  background: var(--error-light);
  color: #DC2626;
}

.badge-gray {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* Status Badges */
.badge-status-new {
  background: var(--gray-100);
  color: var(--gray-600);
}

.badge-status-progress {
  background: #DBEAFE;
  color: #2563EB;
}

.badge-status-review {
  background: var(--warning-light);
  color: #D97706;
}

.badge-status-done {
  background: var(--success-light);
  color: #059669;
}

.badge-status-cancelled {
  background: var(--error-light);
  color: var(--error);
}

.badge-status-clarification {
  background: #EDE9FE;
  color: #7C3AED;
}

/* Status Dropdown (inline in table) */
.status-select {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

.status-select .badge {
  cursor: pointer;
  transition: all var(--transition-base);
  user-select: none;
}

.status-select .badge:hover {
  filter: brightness(0.9);
  box-shadow: 0 0 0 2px rgba(0,0,0,0.05);
}

.status-select .status-options {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 100;
  min-width: 160px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xs);
  margin-top: 4px;
}

.status-select .status-options.show {
  display: block;
}

.status-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition-base);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.status-option:hover {
  background: var(--gray-50);
  color: var(--gray-900);
}

.status-option .status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.status-option.active-status {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

/* Priority Indicators */
.priority-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.priority-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.priority-low .priority-dot { background: var(--priority-low); }
.priority-low { color: var(--gray-500); }

.priority-medium .priority-dot { background: var(--priority-medium); }
.priority-medium { color: var(--primary); }

.priority-high .priority-dot { background: var(--priority-high); }
.priority-high { color: #D97706; }

.priority-critical .priority-dot { background: var(--priority-critical); }
.priority-critical { color: #DC2626; }

/* ==============================
   CARDS
   ============================== */

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-header h3 {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--gray-900);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--gray-100);
}

/* Stat Card */
.stat-card {
  padding: var(--spacing-lg);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.stat-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.stat-card-label {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  font-weight: 500;
}

.stat-card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-card-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
}

.stat-card-change {
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-card-change.positive { color: var(--success); }
.stat-card-change.negative { color: var(--error); }

/* ==============================
   TABLES
   ============================== */

.table-container {
  /* overflow-x: auto; */
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
  white-space: nowrap;
}

.table th.sortable {
  cursor: pointer;
  user-select: none;
}

.table th.sortable:hover {
  color: var(--gray-700);
}

.table td {
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  vertical-align: middle;
}

.table tr:hover td {
  background: var(--gray-50);
}

.table .checkbox-cell {
  width: 40px;
}

.table .actions-cell {
  width: 100px;
  text-align: right;
}

.table .actions-cell .action-btn {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--gray-400);
  transition: all var(--transition-base);
}

.table .actions-cell .action-btn:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ==============================
   PROGRESS BAR
   ============================== */

.progress-bar {
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-smooth);
  background: var(--primary);
}

.progress-bar-fill.success { background: var(--success); }
.progress-bar-fill.warning { background: var(--warning); }
.progress-bar-fill.danger { background: var(--error); }

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-top: var(--spacing-xs);
}

/* ==============================
   MODALS
   ============================== */

.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-lg {
  max-width: 700px;
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h2 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--gray-400);
  transition: all var(--transition-base);
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--gray-100);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* ==============================
   DROPDOWN
   ============================== */

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 200;
  min-width: 200px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xs);
  margin-top: var(--spacing-xs);
}

.dropdown-menu.active {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition-base);
}

.dropdown-item:hover {
  background: var(--gray-50);
  color: var(--gray-900);
}

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

.dropdown-item.danger:hover {
  background: var(--error-light);
}

.dropdown-divider {
  height: 1px;
  background: var(--gray-200);
  margin: var(--spacing-xs) 0;
}

/* ==============================
   TOAST NOTIFICATIONS
   ============================== */

.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  min-width: 300px;
  max-width: 420px;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast-success {
  background: var(--success-light);
  border: 1px solid var(--success);
  color: #065F46;
}

.toast-error {
  background: var(--error-light);
  border: 1px solid var(--error);
  color: #991B1B;
}

.toast-warning {
  background: var(--warning-light);
  border: 1px solid var(--warning);
  color: #92400E;
}

.toast-info {
  background: #DBEAFE;
  border: 1px solid var(--primary);
  color: #1E40AF;
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.toast-message {
  font-size: var(--font-size-xs);
  opacity: 0.8;
}

.toast-close {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: currentColor;
  opacity: 0.5;
  transition: opacity var(--transition-base);
}

.toast-close:hover {
  opacity: 1;
}

/* ==============================
   TABS
   ============================== */

.tabs {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
  gap: 0;
  margin-bottom: var(--spacing-lg);
}

.tab-item {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-500);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  margin-bottom: -1px;
}

.tab-item:hover {
  color: var(--gray-700);
}

.tab-item.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ==============================
   PAGINATION
   ============================== */

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-lg) 0;
}

.pagination-item {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  transition: all var(--transition-base);
  cursor: pointer;
}

.pagination-item:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
}

.pagination-item.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

.pagination-item:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ==============================
   AVATAR GROUP
   ============================== */

.avatar-group {
  display: flex;
  align-items: center;
}

.avatar-group .user-avatar {
  border: 2px solid var(--white);
  margin-right: -8px;
}

.avatar-group .user-avatar:last-child {
  margin-right: 0;
}

.avatar-group-more {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--gray-100);
  border: 2px solid var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--gray-500);
  margin-left: -2px;
}

/* ==============================
   TIMELINE
   ============================== */

.timeline {
  position: relative;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-lg);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: calc(-1 * var(--spacing-xl) + 2px);
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  background: var(--primary);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 2px var(--primary);
}

.timeline-content {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
}

/* ==============================
   KANBAN
   ============================== */

.kanban-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  overflow-x: auto;
  padding-bottom: var(--spacing-lg);
}

.kanban-column {
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  min-height: 200px;
}

.kanban-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  padding: 0 var(--spacing-sm);
}

.kanban-column-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.kanban-column-count {
  background: var(--gray-200);
  color: var(--gray-600);
  font-size: var(--font-size-xs);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}

.kanban-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.kanban-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.kanban-card-title {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: var(--spacing-sm);
}

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

.kanban-card-project {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: 4px;
}

.kanban-card-description {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  line-height: 1.4;
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.kanban-card-deadline {
  margin-top: var(--spacing-xs);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Task description preview in table */
.task-description-preview {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  margin-top: 4px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

/* Drag states */
.kanban-card-dragging {
  opacity: 0.4;
  transform: rotate(2deg);
  box-shadow: var(--shadow-lg);
}

.kanban-column-drag-over {
  background: var(--primary-light);
  border: 2px dashed var(--primary);
  border-radius: var(--radius-lg);
}

.kanban-column-drag-over .kanban-column-body {
  min-height: 60px;
}

/* ==============================
   EMPTY STATE
   ============================== */

.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--gray-500);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-lg);
  color: var(--gray-300);
}

.empty-state h3 {
  font-size: var(--font-size-lg);
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
}

/* ==============================
   TASKS TABS (task type filter)
   ============================== */

.tasks-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--spacing-lg);
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 3px;
  width: fit-content;
}

.tasks-tab {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-500);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  background: none;
  white-space: nowrap;
}

.tasks-tab svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.tasks-tab:hover {
  color: var(--gray-700);
}

.tasks-tab.active {
  background: var(--white);
  color: var(--gray-900);
  box-shadow: var(--shadow-sm);
}

/* ==============================
   FILTER BAR
   ============================== */

.filter-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-bar .form-input,
.filter-bar .form-select {
  min-width: 150px;
  width: auto;
}

/* ==============================
   VIEW TOGGLE
   ============================== */

.view-toggle {
  display: flex;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 3px;
}

.view-toggle-btn {
  padding: var(--spacing-xs) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-500);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
  background: none;
}

.view-toggle-btn.active {
  background: var(--white);
  color: var(--gray-800);
  box-shadow: var(--shadow-sm);
}

.view-toggle-btn:hover:not(.active) {
  color: var(--gray-700);
}

/* ==============================
   SECTION HEADER
   ============================== */

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
}

.section-header h1 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-900);
}

.section-header h2 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--gray-800);
}

.section-header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ==============================
   UTILITY CLASSES
   ============================== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-lg { font-size: var(--font-size-lg); }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-gray { color: var(--gray-500); }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.grid-6 {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-lg);
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==============================
   TASK DETAIL PAGE
   ============================== */

.task-detail-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--spacing-lg);
  align-items: start;
}

@media (max-width: 1024px) {
  .task-detail-layout {
    grid-template-columns: 1fr;
  }
  
  .task-detail-chat {
    order: -1;
  }
}

/* Task Detail Meta Fields */
.task-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md) var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
}

.task-detail-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 120px;
}

.detail-label {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.task-detail-section {
  margin-top: var(--spacing-lg);
}

.task-detail-section-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--gray-100);
}

.task-detail-description {
  font-size: var(--font-size-sm);
  line-height: 1.6;
  color: var(--gray-600);
  white-space: pre-wrap;
}

/* Task Detail Attachments */
.task-detail-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.attachment-item {
  width: 120px;
  height: 90px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  cursor: pointer;
  transition: all var(--transition-base);
}

.attachment-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.attachment-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.attachment-file-icon {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
  background: var(--gray-50);
  padding: var(--spacing-xs);
  text-align: center;
  word-break: break-all;
}

/* ==============================
   CHAT / DIALOG COMPONENT
   ============================== */

.chat-card {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 200px);
  min-height: 400px;
  max-height: 700px;
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--gray-200);
  flex-shrink: 0;
}

.chat-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-700);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.chat-count {
  background: var(--primary-light);
  color: var(--primary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  min-width: 24px;
  text-align: center;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.chat-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: var(--gray-400);
  text-align: center;
  padding: var(--spacing-xl);
}

.chat-empty svg {
  opacity: 0.4;
}

.chat-empty p {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-500);
}

.chat-empty span {
  font-size: var(--font-size-xs);
  color: var(--gray-400);
}

/* Chat Message */
.chat-message {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  animation: chatSlideIn 0.25s ease;
}

@keyframes chatSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-msg-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 2px;
}

.chat-msg-body {
  flex: 1;
  min-width: 0;
}

.chat-msg-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: 2px;
}

.chat-msg-name {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--gray-700);
}

.chat-msg-time {
  font-size: 10px;
  color: var(--gray-400);
}

.chat-msg-edited {
  font-size: 10px;
  color: var(--gray-400);
  font-style: italic;
}

.chat-msg-text {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  line-height: 1.5;
  word-break: break-word;
  white-space: pre-wrap;
}

.chat-msg-actions {
  margin-top: 4px;
  display: flex;
  gap: var(--spacing-sm);
}

.chat-reply-btn {
  font-size: 10px;
  color: var(--gray-400);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition-base);
}

.chat-reply-btn:hover {
  color: var(--primary);
}

.chat-reply-badge {
  font-size: 10px;
  color: var(--gray-400);
  padding: 2px 8px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
  display: inline-block;
  border-left: 2px solid var(--gray-300);
  width: 100%;
}

/* Reply info bar */
.chat-reply-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.chat-reply-info button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-400);
  font-size: 14px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.chat-reply-info button:hover {
  color: var(--error);
  background: var(--gray-100);
}

/* Chat Input Area */
.chat-input-area {
  border-top: 1px solid var(--gray-200);
  flex-shrink: 0;
  position: relative;
}

.chat-input {
  width: 100%;
  border: none;
  padding: var(--spacing-md);
  padding-right: 50px;
  font-family: inherit;
  font-size: var(--font-size-sm);
  color: var(--gray-700);
  resize: none;
  outline: none;
  background: transparent;
  min-height: 44px;
  max-height: 120px;
  box-sizing: border-box;
  line-height: 1.4;
}

.chat-input::placeholder {
  color: var(--gray-400);
}

.chat-send-btn {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-base);
}

.chat-send-btn:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

/* Chat Input Row (file btn + textarea + send btn) */
.chat-input-row {
  display: flex;
  align-items: flex-end;
  gap: 0;
  position: relative;
}

.chat-file-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: none;
  background: none;
  color: var(--gray-400);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  margin: 4px 0 4px 4px;
}

.chat-file-btn:hover {
  color: var(--primary);
  background: var(--gray-100);
}

.chat-input-row .chat-input {
  flex: 1;
  padding-right: 50px;
}

.chat-input-row .chat-send-btn {
  position: absolute;
  right: 8px;
  bottom: 8px;
}

/* File attachment preview in chat input */
.chat-file-preview-icon {
  font-size: 24px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
}

.chat-file-preview-name {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--gray-700);
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-file-preview-size {
  font-size: 10px;
  color: var(--gray-400);
  white-space: nowrap;
}

#chatFilePreviewContent {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  max-width: 300px;
  max-height: none;
}

/* Attached file in chat message */
.chat-msg-file {
  margin-top: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  max-width: 300px;
  transition: all var(--transition-base);
}

.chat-msg-file:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.chat-msg-file-icon {
  font-size: 24px;
  line-height: 1;
  flex-shrink: 0;
}

.chat-msg-file-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chat-msg-file-name {
  font-size: var(--font-size-xs);
  font-weight: 500;
  color: var(--gray-700);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-msg-file-size {
  font-size: 10px;
  color: var(--gray-400);
}

.chat-msg-file a {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  width: 100%;
}

.chat-send-btn:disabled {
  background: var(--gray-300);
  cursor: not-allowed;
  transform: none;
}

.chat-send-btn .spinner {
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Chat Notification */
.chat-notification {
  text-align: center;
  font-size: var(--font-size-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-md);
  animation: chatSlideIn 0.25s ease;
}

.chat-notification-error {
  background: #FEF2F2;
  color: var(--error);
}

.chat-notification-success {
  background: #F0FDF4;
  color: var(--success);
}

/* ==============================
   UNREAD COMMENTS BADGE
   ============================== */

.unread-comments-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: #EF4444;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  vertical-align: middle;
  margin-left: 6px;
  animation: unreadPulse 2s ease-in-out infinite;
  box-shadow: 0 1px 3px rgba(239, 68, 68, 0.3);
}

@keyframes unreadPulse {
  0%, 100% {
    box-shadow: 0 1px 3px rgba(239, 68, 68, 0.3);
  }
  50% {
    box-shadow: 0 1px 6px rgba(239, 68, 68, 0.6);
  }
}

/* Badge in kanban card */
.kanban-card-title .unread-comments-badge {
  display: inline-flex;
  vertical-align: top;
  margin-top: 1px;
}

/* ==============================
   SORTABLE TABLE COLUMNS
   ============================== */

th.sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

th.sortable:hover {
  color: var(--primary);
}

th.sortable .sort-indicator {
  display: inline-block;
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-left: 4px;
  opacity: 0.3;
  position: relative;
}

th.sortable .sort-indicator::before,
th.sortable .sort-indicator::after {
  content: '';
  position: absolute;
  left: 4px;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
}

th.sortable .sort-indicator::before {
  top: 2px;
  border-bottom: 4px solid currentColor;
}

th.sortable .sort-indicator::after {
  bottom: 2px;
  border-top: 4px solid currentColor;
}

th.sortable.sort-asc .sort-indicator {
  opacity: 1;
  color: var(--primary);
}

th.sortable.sort-asc .sort-indicator::before {
  border-bottom-color: var(--primary);
}

th.sortable.sort-asc .sort-indicator::after {
  border-top-color: transparent;
}

th.sortable.sort-desc .sort-indicator {
  opacity: 1;
  color: var(--primary);
}

th.sortable.sort-desc .sort-indicator::before {
  border-bottom-color: transparent;
}

th.sortable.sort-desc .sort-indicator::after {
  border-top-color: var(--primary);
}

/* ==============================
   IMAGE LIGHTBOX
   ============================== */

.image-lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  cursor: pointer;
}

.image-lightbox.active {
  display: flex;
}

.image-lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
}

.image-lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  background: #000;
}

.image-lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-size: 22px;
  transition: all var(--transition-base);
  line-height: 1;
}

.image-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.image-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-size: 32px;
  transition: all var(--transition-base);
  line-height: 1;
  z-index: 1;
}

.image-lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-50%) scale(1.1);
}

.image-lightbox-prev {
  left: -60px;
}

.image-lightbox-next {
  right: -60px;
}

.image-lightbox-counter {
  position: absolute;
  bottom: -36px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
}

/* Адаптивность для мобильных */
@media (max-width: 768px) {
  .image-lightbox-nav {
    width: 36px;
    height: 36px;
    font-size: 24px;
  }

  .image-lightbox-prev {
    left: 4px;
  }

  .image-lightbox-next {
    right: 4px;
  }

  .image-lightbox-content {
    max-width: 100vw;
  }

  .image-lightbox-close {
    top: 4px;
    right: 4px;
  }
}

/* ==============================
   CHAT IMAGE ATTACHMENT PREVIEW
   ============================== */

.chat-attachment-preview {
  padding: var(--spacing-sm) var(--spacing-md) 0;
}

.chat-attachment-thumb {
  position: relative;
  display: inline-flex;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  max-width: 120px;
  max-height: 100px;
}

.chat-attachment-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.chat-attachment-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: rgba(0, 0, 0, 0.6);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
  transition: background var(--transition-base);
}

.chat-attachment-remove:hover {
  background: rgba(0, 0, 0, 0.8);
}

/* Изображение в сообщении чата */
.chat-msg-image {
  margin-top: var(--spacing-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  max-width: 300px;
  cursor: pointer;
  transition: opacity var(--transition-base);
}

.chat-msg-image:hover {
  opacity: 0.9;
}

.chat-msg-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ==============================
   FORM ACTIONS
   ============================== */

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-200);
}