/* --- Default Theme Variables (Light Mode) --- */
:root {
    --bg-color: #f3f4f6;
    --text-color: #111827;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;

    --button-bg: #2563eb;
    --button-text: #ffffff;

    --timestamp-color: #6b7280;
    --summary-bg: #e5e7eb;
}

/* --- Dark Theme Variables (Overrides) --- */
body.dark {
    --bg-color: #1f2937;
    --text-color: #f9fafb;
    --card-bg: #374151;
    --border-color: #4b5563;

    --button-bg: #4f46e5;
    --button-text: #ffffff;

    --timestamp-color: #9ca3af;
    --summary-bg: #2b2b2c;
}

/* --- UI Components --- */
body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: 'Courier New', Courier, monospace;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    height: 100vh;
    margin: 0;
    padding-top: 50px;
}

.todo-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    width: 500px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
}

.todo-container-row {
    display: flex;
    justify-content: space-between;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

.input-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 10px;
}

.edit-input {
    width: 80%;
    padding: 6px;
    font-size: 1rem;
    border: 1px solid #ccc;
    border-radius: 6px;
}

#taskInput {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 6px;
}

#prioritySelect {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
}

.priority-badge {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 999px;
    font-size: 0.7rem;
    margin-left: 8px;
    font-weight: 600;
    cursor: pointer;
}

.priority-low {
    background-color: #e0f2fe;
    color: #0369a1;
}

.priority-medium {
  background-color: #fef3c7; /* light amber */
  color: #92400e;
}

.priority-high {
  background-color: #fee2e2; /* light red */
  color: #b91c1c;
}

button {
    background-color: var(--button-bg);
    color: var(--button-text);
    padding: 10px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

#addBtn {
    background-color: #0078d7;
    color: white;
}

.clear-section {
    margin-top: 10px;
    text-align: center;
}

#clearCompletedBtn {
    background-color: #dc2626;
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

#clearCompletedBtn:hover {
    background-color: #b91c1c;
}

.filter-section {
    margin: 15px 0;
    display: flex;
    justify-content: space-between;
}

.filter {
    background-color: #babbbe;
}

.filter.active {
    background-color: #0078d7;
    color: white;
}

#taskList {
    list-style: none;
    padding: 0;
    margin: 0;
}

.task-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px;
    border-bottom: 1px solid #eee;
    gap: 10px;
}

.task-top-row {
  display: flex;
  align-items: start;
  gap: 8px;
}

.task-text {
  display: inline-block;
}

.task-item.completed span {
    text-decoration: line-through;
    color: gray;
}

.timestamp {
    color: var(--timestamp-color);
    font-size: 0.75rem;
    display: block;
    margin-top: 4px;
}

.task-main {
    display: flex;
    flex-direction: column;
}

.task-actions {
    display: flex;
    gap: 6px;
}

.summary {
    margin-top: 10px;
    margin-bottom: 10px;
    padding: 8px 10px;
    background: var(--summary-bg);
    border-radius: 6px;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
}

.summary span {
    font-weight: 500;
}

.import-export-section {
    text-align: center;
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

#importBtn,
#exportBtn {
    background-color: #2563eb;
    color: white;
    border: none;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
}

#importBtn:hover,
#exportBtn:hover {
    background-color: #1d4ed8;
}

.search-section {
  margin-top: 12px;
  margin-bottom: 12px;
  display: flex;
}

#searchInput {
  flex-grow: 1;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 1rem;
}

mark {
  background-color: #facc15; /* amber/yellow */
  color: inherit;
  padding: 0 2px;
  border-radius: 3px;
}

.task-item {
  cursor: grab;
}

.task-item:active {
  cursor: grabbing;
}

/* Ensure proper override during drag */
.task-item.dragging {
  cursor: grabbing !important;
}

.task-item.dragging {
    opacity: 0.5;
}

.task-item.drag-over {
    border: 2px dashed var(--button-bg);
    border-radius: 6px;
}

#dueInput,
#reminderSelect {
  padding: 8px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.9rem;
}

.reminders-section {
  margin-top: 10px;
  text-align: right;
}

#enableRemindersBtn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  background-color: #10b981; /* green */
  color: #ffffff;
  cursor: pointer;
  font-size: 0.85rem;
}

#enableRemindersBtn:disabled {
  opacity: 0.6;
  cursor: default;
}

.task-item.overdue .task-text {
  color: #b91c1c; /* red text for overdue */
}

.overdue-label {
  color: #b91c1c;
  font-weight: 700;
}

.enabled {
  background-color: #4CAF50; /* Green when enabled */
  color: white;
}