body {
    font-family: sans-serif;
    margin: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1em;
    background-color: var(--header-bg-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

header h1 {
    margin: 0;
}

#dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1em;
    padding: 1em;
    position: relative; /* For positioning dragged items if needed */
}

.widget {
    border: 1px solid var(--widget-border-color);
    border-radius: 8px;
    padding: 1em;
    background-color: var(--widget-bg-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    position: relative; /* Needed for potential absolute positioning of drag handles or during drag */
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out; /* Smooth movement */
}

.widget h2 { /* Assuming h2 is the widget title/header */
    cursor: grab; /* Indicate draggable area */
    user-select: none; /* Prevent text selection while dragging header */
}

.widget.dragging {
    opacity: 0.7;
    transform: scale(1.03); /* Slightly lift and enlarge the widget */
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    z-index: 1000; /* Ensure dragging widget is on top */
}

#file-upload-area {
    padding: 2em;
    margin: 1em;
    border: 2px dashed var(--widget-border-color);
    text-align: center;
    background-color: var(--widget-bg-color);
    border-radius: 8px;
}

footer {
    text-align: center;
    padding: 1em;
    margin-top: 2em;
    background-color: var(--header-bg-color);
}

/* Habit Tracker Widget Styles */
.habits-list {
    list-style: none;
    padding: 0;
}

.habit-item {
    margin-bottom: 1em;
    padding-bottom: 0.5em;
    border-bottom: 1px solid var(--widget-border-color);
}

.habit-item:last-child {
    border-bottom: none;
}

.habit-name {
    display: block;
    font-weight: bold;
    margin-bottom: 0.25em;
}

.habit-progress {
    display: flex;
    align-items: center;
    gap: 10px; /* Space between progress bar and current value text */
}

.progress-bar {
    flex-grow: 1;
    background-color: #e0e0e0; /* Light grey background for the bar */
    border-radius: 5px;
    height: 20px;
    overflow: hidden; /* Ensures fill stays within bounds */
    position: relative; /* For positioning text inside */
}

.progress-bar-fill {
    background-color: #4caf50; /* Green fill */
    height: 100%;
    border-radius: 5px;
    transition: width 0.3s ease-in-out;
    color: white;
    text-align: center;
    line-height: 20px; /* Vertically center text */
    font-size: 0.8em;
    overflow: hidden; /* Prevent text overflow */
    white-space: nowrap;
}

/* Dark theme adjustments for progress bar */
body[data-theme="dark"] .progress-bar { /* Assuming you add data-theme to body */
    background-color: #555;
}

body[data-theme="dark"] .progress-bar-fill {
    background-color: #66bb6a; /* Lighter green for dark theme */
}

.habit-current-value {
    font-size: 0.9em;
    cursor: pointer; /* Indicate it's editable */
}

.habit-current-value input[type="number"] {
    padding: 2px 5px;
    border: 1px solid var(--widget-border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    border-radius: 3px;
}

/* Schedule Widget Styles */
.schedule-table {
    width: 100%;
    border-collapse: collapse; /* Clean borders */
    font-size: 0.9em;
}

.schedule-table th,
.schedule-table td {
    border: 1px solid var(--widget-border-color);
    padding: 0.5em;
    text-align: left;
    min-width: 80px; /* Minimum width for readability */
}

.schedule-table th {
    background-color: var(--header-bg-color); /* Use header background for table headers */
    color: var(--text-color);
    font-weight: bold;
}

.schedule-table tbody tr:nth-child(even) {
    background-color: rgba(0,0,0,0.03); /* Subtle striping for rows */
}

body[data-theme="dark"] .schedule-table tbody tr:nth-child(even) {
    background-color: rgba(255,255,255,0.05); /* Lighter striping for dark theme */
}

/* Ensure widget content can scroll if table is too wide */
#schedule-widget .widget-content {
    overflow-x: auto;
}

/* Style for a placeholder when dragging */
.drag-placeholder {
    border: 2px dashed var(--widget-border-color);
    background-color: rgba(0,0,0,0.05);
    border-radius: 8px;
    height: 100px; /* Or match widget height, can be dynamic */
    margin: 0.5em; /* Match widget gap/padding */
    flex-grow: 1; /* Allow it to take space in grid/flex */
    min-width: 280px; /* Match widget min-width */
}