/* ===========================
   REUSABLE COMPONENTS
   =========================== */

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

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-smooth);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(108, 99, 255, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(108, 99, 255, 0.14);
  border-color: rgba(108, 99, 255, 0.25);
}

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

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.card-body {
  flex: 1;
}

.card-footer {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
  display: flex;
  gap: var(--spacing-md);
}

/* Stat Card */
.stat-card {
  padding: var(--spacing-lg);
  text-align: center;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  margin-top: var(--spacing-sm);
}

.stat-trend.up {
  color: var(--success);
}

.stat-trend.down {
  color: var(--danger);
}

/* Deadline Card */
.deadline-card {
  padding: var(--spacing-md);
  border-left: 4px solid var(--primary);
  position: relative;
  overflow: hidden;
}

.deadline-card.overdue {
  border-left-color: var(--danger);
  background: rgba(255, 71, 87, 0.05);
}

.deadline-card.due-today {
  border-left-color: var(--warning);
  background: rgba(255, 165, 2, 0.05);
}

.deadline-card.this-week {
  border-left-color: #FFB74D;
  background: rgba(255, 183, 77, 0.05);
}

.deadline-card.later {
  border-left-color: var(--success);
  background: rgba(46, 213, 115, 0.05);
}

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

.deadline-title {
  font-weight: 600;
  font-size: 1.05rem;
  flex: 1;
}

.deadline-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}

.deadline-badge.high {
  background: var(--danger);
}

.deadline-badge.medium {
  background: var(--warning);
}

.deadline-badge.low {
  background: var(--success);
}

.deadline-meta {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.deadline-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.deadline-progress {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: var(--surface);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #a855f7);
  border-radius: 2px;
  transition: width var(--transition-smooth);
}

.progress-percent {
  font-size: 0.75rem;
  color: var(--text-secondary);
  min-width: 30px;
  text-align: right;
}

.deadline-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

.deadline-actions .btn-icon {
  width: 2rem;
  height: 2rem;
  font-size: 0.875rem;
}

/* ===========================
   BADGES
   =========================== */

.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--primary);
  color: white;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge.success { background: var(--success); }
.badge.danger { background: var(--danger); }
.badge.warning { background: var(--warning); }
.badge.info { background: var(--primary); }

/* Status Badge */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
}

.status-badge.completed {
  background: rgba(46, 213, 115, 0.1);
  color: var(--success);
}

.status-badge.in-progress {
  background: rgba(108, 99, 255, 0.1);
  color: var(--primary);
}

.status-badge.pending {
  background: rgba(255, 165, 2, 0.1);
  color: var(--warning);
}

/* ===========================
   MODALS & DIALOGS
   =========================== */

.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  z-index: var(--z-modal);
  transform: scale(0.9);
  transition: transform var(--transition-smooth);
  box-shadow: var(--shadow-lg);
}

.modal-backdrop.active .modal {
  transform: scale(1);
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

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

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

/* Drawer/Slide-in Modal */
.drawer {
  position: fixed;
  right: -100%;
  top: 0;
  width: 100%;
  max-width: 500px;
  height: 100vh;
  background: var(--card-bg);
  border-left: 1px solid var(--border);
  z-index: var(--z-modal);
  transition: right var(--transition-smooth);
  overflow-y: auto;
  box-shadow: -10px 0 25px rgba(0, 0, 0, 0.2);
}

.drawer.active {
  right: 0;
}

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

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

@media (max-width: 767px) {
  .drawer {
    max-width: 100%;
  }

  .modal {
    width: 95%;
    max-height: 80vh;
  }
}

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

.toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  pointer-events: none;
}

.toast {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md) var(--spacing-lg);
  min-width: 300px;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: slideInRight 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto;
  border-left: 4px solid var(--primary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.toast.success {
  border-left-color: var(--success);
}

.toast.error {
  border-left-color: var(--danger);
}

.toast.warning {
  border-left-color: var(--warning);
}

.toast.info {
  border-left-color: var(--primary);
}

.toast-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.toast-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.toast-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.toast-message {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

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

@media (max-width: 767px) {
  .toast-container {
    top: auto;
    bottom: var(--spacing-lg);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
  }

  .toast {
    min-width: auto;
    max-width: 100%;
  }
}

/* ===========================
   LOADING SKELETONS
   =========================== */

.skeleton {
  background: linear-gradient(
    90deg,
    var(--surface) 25%,
    rgba(255, 255, 255, 0.2) 50%,
    var(--surface) 75%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1.2rem;
  margin-bottom: var(--spacing-md);
}

.skeleton-title {
  height: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.skeleton-card {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
}

.skeleton-line {
  height: 0.75rem;
  margin-bottom: var(--spacing-sm);
}

.skeleton-line:last-child {
  margin-bottom: 0;
}

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

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

.tab {
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
  text-transform: capitalize;
}

.tab:hover {
  color: var(--text);
}

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

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn var(--transition-smooth);
}

/* ===========================
   BREADCRUMBS
   =========================== */

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.breadcrumbs a {
  color: var(--primary);
}

.breadcrumbs span {
  color: var(--text-secondary);
}

/* ===========================
   FLOATING ACTION BUTTON
   =========================== */

@keyframes fabPulse {
  0%   { box-shadow: 0 0 0 0 rgba(108, 99, 255, 0.45); }
  70%  { box-shadow: 0 0 0 12px rgba(108, 99, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(108, 99, 255, 0); }
}

.fab {
  position: fixed;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary), #a855f7);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-smooth);
  z-index: 300;
  animation: fabPulse 2.5s infinite;
}

.fab:hover {
  transform: scale(1.12);
  box-shadow: 0 15px 35px rgba(108, 99, 255, 0.45);
  animation: none;
}

.fab:active {
  transform: scale(0.95);
}

@media (min-width: 768px) {
  .fab {
    display: none;
  }
}

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

.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-lg);
}

.pagination button,
.pagination a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-weight: 600;
  text-decoration: none;
}

.pagination button:hover,
.pagination a:hover {
  background: var(--primary);
  color: white;
}

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

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

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

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

.empty-state-icon {
  font-size: 4rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.empty-state-message {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ===========================
   ALERTS
   =========================== */

.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  background: rgba(108, 99, 255, 0.1);
  color: var(--text);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.alert.success {
  border-left-color: var(--success);
  background: rgba(46, 213, 115, 0.1);
}

.alert.error {
  border-left-color: var(--danger);
  background: rgba(255, 71, 87, 0.1);
}

.alert.warning {
  border-left-color: var(--warning);
  background: rgba(255, 165, 2, 0.1);
}

.alert-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.alert-message {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.alert-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.25rem;
  flex-shrink: 0;
}

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