@import url('./variables.css');

/* --- Reset & Base Styles --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

/* Background Glowing Accent Orbs */
.bg-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.45;
}
.bg-glow-1 {
  top: -10%;
  left: -5%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, var(--accent-primary) 0%, rgba(99, 102, 241, 0) 70%);
}
.bg-glow-2 {
  bottom: -10%;
  right: -5%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, var(--accent-secondary) 0%, rgba(6, 182, 212, 0) 70%);
}

/* --- Layout --- */
.app-container {
  max-width: 1520px;
  margin: 0 auto;
  padding: 1.5rem 2rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  min-height: 100vh;
}

/* --- Header & Navigation --- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.75rem;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.35rem;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.brand-text h1 {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text p {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

/* Navigation View Switcher */
.view-nav {
  display: flex;
  background: var(--bg-tertiary);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.nav-btn.active {
  background: var(--bg-secondary);
  color: var(--accent-primary);
  box-shadow: var(--card-shadow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), #4f46e5);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-color);
}

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

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

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

/* --- Filter & Action Bar --- */
.action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--card-shadow);
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 240px;
  max-width: 380px;
}

.search-box i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.6rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-light);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.select-input {
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
}

/* --- Views Container --- */
.views-wrapper {
  position: relative;
  flex: 1;
}

.view-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- KANBAN BOARD VIEW --- */
.kanban-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.5rem;
  align-items: start;
}

.kanban-column {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 250px);
  min-height: 480px;
}

.column-header {
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.column-title-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.column-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.column-todo .column-dot { background-color: var(--status-todo); }
.column-in_progress .column-dot { background-color: var(--status-in-progress); }
.column-review .column-dot { background-color: var(--status-review); }
.column-completed .column-dot { background-color: var(--status-completed); }

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

.column-count {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.kanban-list {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
  flex: 1;
  min-height: 150px;
}

.kanban-list.drag-over {
  background: var(--accent-primary-light);
  border-radius: var(--radius-md);
  outline: 2px dashed var(--accent-primary);
}

/* Task Card & Pinning */
.task-card {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  border: 1px solid var(--border-color);
  box-shadow: var(--card-shadow);
  cursor: grab;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.task-card.pinned {
  border: 1.5px solid var(--priority-high);
  background: linear-gradient(135deg, var(--bg-secondary), var(--priority-high-bg));
}

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

.task-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.task-badges {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.badge-pinned {
  background: var(--priority-high-bg);
  color: var(--priority-high);
}

.badge-priority-urgent { background: var(--priority-urgent-bg); color: var(--priority-urgent); }
.badge-priority-high { background: var(--priority-high-bg); color: var(--priority-high); }
.badge-priority-medium { background: var(--priority-medium-bg); color: var(--priority-medium); }
.badge-priority-low { background: var(--priority-low-bg); color: var(--priority-low); }

.badge-category {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.task-pin-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.9rem;
  transition: transform var(--transition-fast);
}

.task-pin-btn:hover {
  transform: scale(1.2);
  color: var(--priority-high);
}

.task-pin-btn.active {
  color: var(--priority-high);
  transform: rotate(-30deg);
}

.task-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  word-break: break-word;
}

.task-desc {
  font-size: 0.825rem;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Subtask progress bar */
.subtask-progress {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.subtask-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.progress-track {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.task-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--border-color);
  font-size: 0.775rem;
  color: var(--text-muted);
}

.due-date {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
}

.due-date.overdue {
  color: var(--priority-urgent);
  font-weight: 700;
}

.due-date.due-soon {
  color: var(--priority-high);
  font-weight: 600;
}

/* --- LIST VIEW --- */
.list-container {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.task-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.task-table th {
  padding: 1rem 1.25rem;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-color);
}

.task-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.875rem;
  vertical-align: middle;
}

.task-table tbody tr.row-pinned {
  background: var(--priority-high-bg);
}

.btn-pin-inline {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
}

.btn-pin-inline.active {
  color: var(--priority-high);
}

.status-select-inline {
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 600;
}

/* --- CALENDAR VIEW --- */
.calendar-wrapper {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.calendar-title-group h3 {
  font-size: 1.2rem;
  font-weight: 800;
}

.calendar-controls {
  display: flex;
  gap: 0.5rem;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.calendar-weekday {
  text-align: center;
  font-weight: 700;
  font-size: 0.825rem;
  color: var(--text-secondary);
  padding: 0.5rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
}

.calendar-day-cell {
  min-height: 110px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: border-color var(--transition-fast);
}

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

.calendar-day-cell.today {
  border: 2px solid var(--accent-primary);
  background: var(--accent-primary-light);
}

.calendar-day-cell.disabled {
  opacity: 0.35;
  background: var(--bg-tertiary);
}

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

.day-number {
  font-weight: 800;
  font-size: 0.85rem;
}

.add-day-task-btn {
  background: transparent;
  border: none;
  font-size: 1rem;
  color: var(--text-muted);
  cursor: pointer;
}

.add-day-task-btn:hover {
  color: var(--accent-primary);
}

.day-tasks-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
  max-height: 80px;
}

.calendar-task-pill {
  font-size: 0.725rem;
  font-weight: 600;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  border-left: 3px solid var(--accent-primary);
}

.calendar-task-pill.priority-urgent { border-left-color: var(--priority-urgent); }
.calendar-task-pill.priority-high { border-left-color: var(--priority-high); }

/* --- DASHBOARD VIEW --- */
.dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.stats-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.stat-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.stat-icon.green { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.stat-icon.orange { background: rgba(249, 115, 22, 0.15); color: #f97316; }
.stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }

.stat-content h3 {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
}

.stat-content p {
  font-size: 0.825rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-top: 0.25rem;
}

.dashboard-charts-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
}

.chart-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.chart-header h4 {
  font-size: 1.05rem;
  font-weight: 700;
}

.distribution-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dist-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.dist-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  font-weight: 600;
}

.dist-bar-track {
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.dist-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* --- POMODORO FLOATING WIDGET --- */
.pomodoro-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
  width: 320px;
  padding: 1.25rem;
  display: none;
  flex-direction: column;
  gap: 1rem;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pomodoro-widget.active {
  display: flex;
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

.pomo-header h4 {
  font-size: 0.95rem;
  font-weight: 800;
}

.pomo-mode-selector {
  display: flex;
  background: var(--bg-tertiary);
  padding: 3px;
  border-radius: var(--radius-sm);
}

.pomo-mode-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 0.35rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.pomo-mode-btn.active {
  background: var(--bg-secondary);
  color: var(--accent-primary);
}

.pomo-timer-display {
  font-size: 3.2rem;
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.pomo-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

/* --- ACTIVITY LOG MODAL TIMELINE --- */
.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 400px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.timeline-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  position: relative;
}

.timeline-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.timeline-content {
  flex: 1;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.825rem;
  font-weight: 700;
}

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

/* --- MODAL DIALOG --- */
.modal-dialog {
  border: none;
  background: transparent;
  padding: 0;
  margin: auto;
  max-width: 640px;
  width: 90%;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.modal-dialog::backdrop {
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 1.2rem;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
}

.modal-close-btn:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.875rem;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-primary-light);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

/* Subtasks Form Container */
.subtasks-builder {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.subtask-input-row {
  display: flex;
  gap: 0.5rem;
}

.subtask-list-items {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 140px;
  overflow-y: auto;
}

.subtask-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.4rem 0.75rem;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
}

.subtask-item-remove {
  color: var(--priority-urgent);
  cursor: pointer;
  background: transparent;
  border: none;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* --- TOAST NOTIFICATIONS --- */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-left: 4px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  animation: slideInRight 0.3s ease;
}

.toast-success { border-color: var(--status-completed); }
.toast-error { border-color: var(--priority-urgent); }

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

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  gap: 0.75rem;
}

@media (max-width: 768px) {
  .app-container { padding: 1rem; }
  .app-header, .action-bar { flex-direction: column; align-items: stretch; }
  .search-box { max-width: 100%; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: span 1; }
  .calendar-grid { grid-template-columns: repeat(7, minmax(40px, 1fr)); }
}