:root {
  /* Light Mode (Default) */
  --bg-color: #f5f6f8;
  --card-bg: white;
  --column-bg: #ebecf0;
  --text-color: #172b4d;
  --secondary-text-color: #5e6c84;
  --border-color: #d1d2d6;
  --sidebar-bg: #f4f5f7;
  --modal-bg: white;
  --input-border: #ccc;
  --input-focus-border: #0079bf;
  --input-focus-shadow: rgba(0, 121, 191, 0.3);
  --button-secondary-bg: #f4f5f7;
  --button-secondary-hover-bg: #eaeaec;
  --context-menu-bg: white;
  --context-menu-border: #ccc;
  --context-menu-hover-bg: #f0f0f0;
  --context-menu-separator: #eee;
  --placeholder-bg: rgba(0, 0, 0, 0.1);
  --placeholder-border: #666;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --primary: #0079bf;
  --danger-color: #eb5a46; /* Red for delete */
  --danger-hover-bg: #ffebee;
  --danger-hover-text: #c62828;
  --sidebar-width: 240px; /* Adjusted sidebar width */
  --sidebar-collapsed-width: 0px; /* Effective width when collapsed */
  --daily-plan-width: 280px; /* Width of the Daily Plan column */
  --time-slot-height: 40px; /* Height of each time slot */
  --hourly-sep-color: rgba(150, 150, 150, 0.3);
  --half-hour-sep-color: var(--border-color);

  /* Urgency Colors */
  --urgency-low-color: #61bd4f;
  --urgency-medium-color: #f2d600;
  --urgency-high-color: #f85039;
  --urgency-critical-color: #ff3318;
}

body.dark-mode {
  /* Dark Mode */
  --bg-color: #2d343e;
  --card-bg: #454f5b;
  --column-bg: #3a434d;
  --text-color: #e1e4e8;
  --secondary-text-color: #adb5bd;
  --border-color: #5a6470;
  --sidebar-bg: #3a434d;
  --modal-bg: #454f5b;
  --input-border: #5a6470;
  --input-focus-border: #529cca;
  --input-focus-shadow: rgba(82, 156, 202, 0.4);
  --button-secondary-bg: #5a6470;
  --button-secondary-hover-bg: #6b7580;
  --context-menu-bg: #3a434d;
  --context-menu-border: #5a6470;
  --context-menu-hover-bg: #5a6470;
  --context-menu-separator: #5a6470;
  --placeholder-bg: rgba(255, 255, 255, 0.1);
  --placeholder-border: #888;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.4);
  --primary: #529cca;
  --danger-color: #ff6b6b;
  --danger-hover-bg: #5e3a3a;
  --danger-hover-text: #ff8787;
  --urgency-low-color: #7bc86c;
  --urgency-medium-color: #f5dd5d;
  --urgency-high-color: #ff5d48;
  --urgency-critical-color: #ff553e;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  padding: 20px;
  transition: background-color 0.3s ease, color 0.3s ease;
  display: flex;
  flex-direction: column;
  overflow-x: hidden; /* Prevent horizontal scroll on body */
}

.header-container {
  display: flex;
  align-items: center;
  margin-bottom: 10px;
  gap: 15px;
  padding-right: calc(var(--sidebar-width) + 20px); /* Keep header content away from sidebar space */
  transition: padding-right 0.3s ease-in-out; /* Smooth transition for padding */
}

h1 {
  color: var(--text-color);
  margin-bottom: 0;
}

.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.7rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--text-color);
  transition: background-color 0.2s, border-color 0.2s;
}
.theme-toggle-btn:hover {
  background-color: var(--column-bg);
}

.main-content-area {
  display: flex;
  flex-grow: 1;
  position: relative;
  gap: 16px;
  margin-right: var(--sidebar-width); /* Reserve space for the sidebar */
  transition: margin-right 0.3s ease-in-out; /* Smooth transition for margin */
}

.board-container {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  flex-grow: 1;
  height: 100%;
  padding-bottom: 20px;
  gap: 16px;
  flex-direction: row;
  flex-wrap: wrap; /* Allow wrapping for many columns */
  row-gap: 32px; /* Space between rows if wrapping occurs */
}

.column {
  background-color: var(--column-bg);
  border-radius: 6px;
  min-width: 280px;
  max-width: 280px;
  padding: 10px;
  height: 100%;
  max-height: calc(100vh - 140px); /* Adjust based on header/footer height */
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease;
}

.column-header {
  font-weight: 600;
  font-size: 16px;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-color);
  flex-shrink: 0; /* Prevent header from shrinking */
}

.cards-container {
  min-height: 40px;
  flex-grow: 1;
  transition: background-color 0.2s ease-in-out;
  border-radius: 4px;
  overflow-y: auto; /* Allow scroll within column */
}

.card {
  background-color: var(--card-bg);
  padding: 10px 10px 10px 20px; /* Space for color bar left, adjusted right for icons/urgency */
  border-radius: 4px;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
  cursor: pointer; /* Changed default cursor to pointer for detail view */
  position: relative;
  color: var(--text-color);
  transition: background-color 0.3s ease, color 0.3s ease, opacity 0.2s ease, border-color 0.3s ease, box-shadow 0.3s ease; /* Added transitions for border/shadow */
  word-wrap: break-word; /* Ensure long titles wrap */
  /* Default border for urgency, 2px width, initially transparent */
  border: 1px solid transparent;
}

.card:active:not(.dragging) {
  cursor: pointer; /* Keep pointer cursor even when active (unless dragging) */
}
.card[draggable="true"]:active {
  cursor: grabbing; /* Show grabbing only when actually dragging */
}

.card-title {
  margin-bottom: 5px;
  font-size: 14px;
}

/* Adjust the left color strip positioning */
.card .card-color {
  position: absolute;
  top: 0px; /* Align with top of card */
  left: 0px; /* Align with left edge of card */
  width: 8px;
  height: 100%; /* Full height of card */
  border-top-left-radius: 3px; /* Adjusted for border */
  border-bottom-left-radius: 3px; /* Adjusted for border */
}

.add-card-btn {
  background-color: rgba(9, 30, 66, 0.04);
  color: var(--secondary-text-color);
  border: none;
  border-radius: 4px;
  padding: 8px 10px;
  width: 100%;
  text-align: left;
  margin-top: 8px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  font-size: 14px;
  flex-shrink: 0; /* Prevent button from shrinking */
}
body.dark-mode .add-card-btn {
  background-color: rgba(255, 255, 255, 0.1);
}

.add-card-btn:hover {
  background-color: rgba(9, 30, 66, 0.08);
  color: var(--text-color);
}
body.dark-mode .add-card-btn:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.modal {
  display: none;
  position: fixed;
  z-index: 100;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  overflow-y: auto; /* Allow modal scroll if content overflows */
}

.modal-content {
  background-color: var(--modal-bg);
  margin: 10% auto;
  padding: 25px;
  border-radius: 6px;
  width: 450px;
  max-width: 90%;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  position: relative;
  transition: background-color 0.3s ease;
  color: var(--text-color);
}

.close {
  position: absolute;
  top: 10px;
  right: 15px;
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
  color: var(--secondary-text-color);
  transition: color 0.2s;
}
.close:hover {
  color: var(--text-color);
}

.form-group {
  margin-bottom: 16px;
}

label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
  font-size: 13px;
  color: var(--text-color);
}

input[type="text"],
select {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--input-border);
  border-radius: 4px;
  font-size: 14px;
  background-color: var(--card-bg);
  color: var(--text-color);
  transition: border-color 0.2s, background-color 0.3s, color 0.3s;
}
input[type="text"]:focus,
select:focus {
  border-color: var(--input-focus-border);
  outline: none;
  box-shadow: 0 0 0 2px var(--input-focus-shadow);
}
select:not([class^="flatpickr-"]) {
  appearance: none;
  background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns="http://www.w3.org/2000/svg" width="10" height="5" fill="%235e6c84"><path d="M0 0l5 5 5-5z"/></svg>'); /* Default arrow (update color via JS) */
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}
 
.color-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.color-option {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
}
body.dark-mode .color-option {
  border-color: rgba(255, 255, 255, 0.1);
}

.color-option:hover {
  transform: scale(1.1);
}

.color-option.selected {
  box-shadow: 0 0 0 2px var(--modal-bg), 0 0 0 4px var(--text-color);
  transform: scale(1.05);
}
.color-option[style*="background-color: rgb(221, 221, 221);"] {
  border-color: #aaa;
}
body.dark-mode .color-option[style*="background-color: rgb(221, 221, 221);"] {
  border-color: #777;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 25px;
}

.modal-btn {
  padding: 10px 18px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 500;
  transition: background-color 0.2s, box-shadow 0.2s, color 0.2s;
}

.save-btn {
  background-color: var(--primary);
  color: white;
}
body.dark-mode .save-btn {
  color: var(--bg-color); /* Use dark background color for text for contrast */
}
.save-btn:hover {
  background-color: #0067a3;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
body.dark-mode .save-btn:hover {
  background-color: #67abd9;
}

.cancel-btn {
  background-color: var(--button-secondary-bg);
  color: var(--text-color);
  margin-right: 8px;
}
.cancel-btn:hover {
  background-color: var(--button-secondary-hover-bg);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hidden {
  display: none;
}

.action-icons {
  position: absolute;
  top: 5px;
  right: 5px;
  display: none; /* Hidden by default */
  background: var(--card-bg);
  opacity: 0.9;
  border-radius: 3px;
  padding: 2px;
  z-index: 10; /* Ensure above pulsing shadow */
}

.card:hover .action-icons {
  display: flex; /* Show on hover */
  gap: 5px;
}

.action-icon {
  cursor: pointer;
  width: 18px;
  height: 18px;
  opacity: 0.7;
  font-size: 14px;
  line-height: 18px;
  text-align: center;
  transition: opacity 0.2s;
  color: var(--secondary-text-color);
}

.action-icon:hover {
  opacity: 1;
  color: var(--text-color);
}

.dragging {
  opacity: 0.8;
  background: #529cca;
  color: white;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transform: rotate(3deg);
  cursor: grabbing !important; /* Override other cursors */
  z-index: 1001; /* Ensure dragged item is on top */
}
body.dark-mode .dragging {
  background: var(--primary);
  color: var(--bg-color);
}

.cards-container.drag-over {
  background-color: rgba(0, 0, 0, 0.05);
}
body.dark-mode .cards-container.drag-over {
  background-color: rgba(255, 255, 255, 0.05);
}

.drag-placeholder {
  background-color: var(--placeholder-bg);
  border: 1px dashed var(--placeholder-border);
  border-radius: 4px;
  margin-bottom: 8px; /* Match card margin */
  height: 50px; /* Default/min height, JS sets actual */
  box-sizing: border-box;
}

/* --- Urgency Indicator Styles --- */
/* Hide the old indicator element */
.urgency-indicator {
  display: none;
}

/* --- New Urgency Border Styles --- */
/* Urgency Borders based on data attribute */
.card[data-urgency="None"] {
  border-color: transparent;
}

.card[data-urgency="Low"] {
  border-color: var(--urgency-low-color);
}

.card[data-urgency="Medium"] {
  border-color: var(--urgency-medium-color);
}

.card[data-urgency="High"] {
  border-color: var(--urgency-high-color);
}

.card[data-urgency="Critical"] {
  border-color: var(--urgency-critical-color);
  animation: pulse-border 1.5s infinite;
}

/* Pulsing/Glowing Animation for Critical Border */
@keyframes pulse-border {
  0% {
    box-shadow: 0 0 0 0 rgba(235, 90, 70, 0.7); /* Use critical color with alpha */
  }
  70% {
    box-shadow: 0 0 0 6px rgba(235, 90, 70, 0); /* Expand shadow and fade out */
  }
  100% {
    box-shadow: 0 0 0 0 rgba(235, 90, 70, 0); /* Reset shadow */
  }
}

/* Dark mode adjustments for pulsing animation */
body.dark-mode .card[data-urgency="Critical"] {
  animation-name: pulse-border-dark;
}

@keyframes pulse-border-dark {
  0% {
    box-shadow: 0 0 0 0 rgba(239, 117, 100, 0.7); /* Dark mode critical color */
  }
  70% {
    box-shadow: 0 0 0 6px rgba(239, 117, 100, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(239, 117, 100, 0);
  }
}

/* --- Done Sidebar Styles --- */
#doneSidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--sidebar-bg);
  border-left: 1px solid var(--border-color);
  padding: 20px;
  padding-top: 70px; /* Space for heading */
  /* overflow-y: auto; */
  z-index: 50;
  transform: translateX(0); /* Initial state */
  transition: transform 0.3s ease-in-out, background-color 0.3s ease, border-color 0.3s ease;
  overflow: visible; /* Allow content to overflow */
}

#doneSidebar.collapsed {
  transform: translateX(100%); /* Slide out */
}

/* Adjust content area margin when sidebar is collapsed */
.main-content-area.sidebar-collapsed {
  margin-right: var(--sidebar-collapsed-width);
}
/* Adjust header padding when sidebar is collapsed */
.header-container.sidebar-collapsed {
  padding-right: calc(var(--sidebar-collapsed-width) + 20px);
}

#doneSidebar h3 {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  margin: 0;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
  font-size: 16px;
  color: var(--text-color);
  background-color: var(--sidebar-bg);
  z-index: 1;
  transition: color 0.3s ease, border-color 0.3s ease, background-color 0.3s ease;
}

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

.done-task-item {
  padding: 6px 2px;
  font-size: 14px;
  color: var(--secondary-text-color);
  opacity: 0.9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border-bottom: 1px solid var(--border-color);
  transition: color 0.3s ease, border-color 0.3s ease;
  cursor: pointer; /* Indicate clickable */
}
.done-task-item:last-child {
  border-bottom: none;
}
.done-task-item:hover {
  color: var(--text-color);
  opacity: 1;
}

/* Sidebar Toggle Button */
.sidebar-toggle-btn {
  position: absolute;
  top: 18px;
  left: -15px;
  z-index: 51;
  background-color: var(--sidebar-bg);
  border: 1px solid var(--border-color);
  border-right: none;
  border-radius: 4px 0 0 4px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: bold;
  color: var(--secondary-text-color);
  padding: 0;
  transition: background-color 0.2s, color 0.2s;
  padding-bottom: 4px;
  width: 16px;
}
.sidebar-toggle-btn:hover {
  background-color: var(--column-bg);
  color: var(--text-color);
}

/* --- Context Menu Styles --- */
.context-menu {
  position: absolute;
  z-index: 1000;
  background-color: var(--context-menu-bg);
  border: 1px solid var(--context-menu-border);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
  border-radius: 5px;
  padding: 6px 0;
  min-width: 180px;
  font-size: 14px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.context-menu-info {
  padding: 8px 15px;
  font-size: 12px;
  color: var(--secondary-text-color);
  border-bottom: 1px solid var(--context-menu-separator);
  margin-bottom: 4px;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.context-menu-colors {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 15px;
}

.context-menu-color-option {
  width: 20px;
  height: 20px;
  border-radius: 3px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border: 1px solid transparent;
}
body.dark-mode .context-menu-color-option {
  border-color: rgba(255, 255, 255, 0.1);
}
.context-menu-color-option:hover {
  transform: scale(1.15);
}
.context-menu-color-option.selected {
  box-shadow: 0 0 0 1px var(--context-menu-bg), 0 0 0 3px var(--text-color);
}
.context-menu-color-option[style*="border: 1px solid"] {
  border-color: #aaa;
}
body.dark-mode .context-menu-color-option[style*="border: 1px solid"] {
  border-color: #777;
}
.context-menu-color-option[style*="border: 1px solid"].selected {
  box-shadow: 0 0 0 1px var(--context-menu-bg), 0 0 0 3px var(--text-color);
}

.context-menu-separator {
  border: none;
  border-top: 1px solid var(--context-menu-separator);
  margin: 4px 0;
  transition: border-color 0.3s ease;
}

.context-menu-item {
  padding: 9px 15px;
  cursor: pointer;
  color: var(--text-color);
  transition: background-color 0.1s ease-in-out, color 0.3s ease;
}

.context-menu-item:hover {
  background-color: var(--context-menu-hover-bg);
}

.item-danger {
  color: var(--danger-color);
}
.item-danger:hover {
  background-color: var(--danger-hover-bg);
  color: var(--danger-hover-text);
}

/* --- Backup/Restore Button Styles --- */
#backupRestoreControls {
  margin-top: 5px;
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end; /* Align buttons nicely */
  padding-right: calc(var(--sidebar-width) + 20px); /* Keep controls away from sidebar space */
  transition: padding-right 0.3s ease-in-out; /* Smooth transition for padding */
}
#backupRestoreControls button,
#backupRestoreControls label {
  padding: 5px 9px 6px 9px; /* Smaller padding */
  font-size: 12px; /* Smaller font */
  margin-bottom: 0;
}

#restoreFile {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#restoreLabel {
  cursor: pointer;
  display: inline-block;
  background-color: var(--button-secondary-bg);
  color: var(--text-color);
  /* Apply consistent button styles */
  padding: 5px 9px 6px 9px; /* Match button padding */
  border: none;
  border-radius: 4px;
  font-weight: 500;
  font-size: 12px; /* Match button font size */
  transition: background-color 0.2s, box-shadow 0.2s, color 0.2s;
  margin-right: 0;
}
#restoreLabel:hover {
  background-color: var(--button-secondary-hover-bg);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Adjust controls padding when sidebar is collapsed */
#backupRestoreControls.sidebar-collapsed {
  padding-right: calc(var(--sidebar-collapsed-width) + 20px);
}

/* --- Daily Plan Column Styles --- */
.daily-plan-column {
  width: var(--daily-plan-width);
  min-width: var(--daily-plan-width);
  height: 100%;
  background-color: var(--column-bg);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-left: 1px solid var(--border-color);
  margin-top: -105px; /* Pull up to align better, adjust as needed */
}

.daily-plan-column .column-header {
  padding: 10px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.time-slots-container {
  flex-grow: 1;
  overflow-y: auto;
  position: relative;
  padding: 5px;
}

.time-slot {
  height: var(--time-slot-height);
  position: relative;
  display: flex;
  align-items: center;
  padding-left: 50px; /* Space for time label */
  border-bottom: 1px solid var(--half-hour-sep-color);
  box-sizing: border-box;
}

.time-slot.hourly {
  border-bottom: 1px solid var(--hourly-sep-color);
}
.time-slot:first-child {
  border-top: 1px solid var(--hourly-sep-color);
}

.time-label {
  position: absolute;
  left: 5px;
  top: 5px;
  font-size: 9px;
  color: var(--secondary-text-color);
  line-height: 1;
}

.time-slot.hourly .time-label {
  font-weight: bold;
  color: var(--text-color);
  font-size: 10px;
}

/* Style for cards within time slots */
.time-slot .card {
  position: absolute;
  left: 50px;
  right: 5px;
  top: 2px;
  /* Height is set dynamically by JS based on duration */
  margin-bottom: 0;
  width: auto;
  z-index: 1;
  font-size: 12px;
  padding: 4px 8px 4px 15px; /* Adjusted padding */
  overflow: hidden; /* Hide overflow if content exceeds calculated height */
  cursor: grab; /* Override default pointer for planner cards */
  border-width: 2px; /* Ensure border width applies here too */
}
.time-slot .card:active {
  cursor: grabbing;
}

/* Ensure color strip adjusts within the border for planner cards */
.time-slot .card .card-color {
  width: 5px;
  left: 2px;
  top: 2px;
  height: calc(100% - 4px);
}

.time-slot .card .action-icons {
  top: 2px;
  right: 2px;
}
.time-slot .card .card-title {
  font-size: 12px; /* Ensure title font size is also small */
}

/* Use a slightly different/smaller pulse for smaller planner cards */
.time-slot .card[data-urgency="Critical"] {
  animation-name: pulse-border-small;
}

@keyframes pulse-border-small {
  0% {
    box-shadow: 0 0 0 0 rgba(235, 90, 70, 0.6);
  }
  70% {
    box-shadow: 0 0 0 4px rgba(235, 90, 70, 0);
  } /* Smaller spread */
  100% {
    box-shadow: 0 0 0 0 rgba(235, 90, 70, 0);
  }
}

body.dark-mode .time-slot .card[data-urgency="Critical"] {
  animation-name: pulse-border-dark-small;
}

@keyframes pulse-border-dark-small {
  0% {
    box-shadow: 0 0 0 0 rgba(239, 117, 100, 0.6);
  }
  70% {
    box-shadow: 0 0 0 4px rgba(239, 117, 100, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(239, 117, 100, 0);
  }
}

/* Drag placeholder specific to time slots */
.time-slot .drag-placeholder {
  position: absolute;
  left: 50px;
  right: 5px;
  top: 2px;
  bottom: 2px;
  height: auto; /* Fill the slot */
  margin-bottom: 0;
  z-index: 0;
}

/* Highlight time slot on drag over */
.time-slot.drag-over {
  background-color: rgba(0, 121, 191, 0.1);
}
body.dark-mode .time-slot.drag-over {
  background-color: rgba(82, 156, 202, 0.2);
}

.current-time-line {
  position: absolute;
  left: 50px; /* Adjust to align with where cards start */
  right: 0; /* Make it span the width, adjust as needed */
  height: 2px;
  background-color: #8bc34a; /* Green color for current time line */
  z-index: 5; /* Ensure it's visible above slots but potentially below cards */
  pointer-events: none; /* Prevent interfering with clicks/drags */
  display: none; /* Hide initially until positioned by JS */
  transition: top 0.5s linear; /* Optional: Smooth transition between updates */
}
.time-slot.half-hourly span.time-label {
  transform: translateY(-14px);
  background-color: var(--column-bg);
  padding: 4px 5px 0 0;
}

.time-slot.hourly span.time-label {
  transform: translateY(-14px);
  background-color: var(--column-bg);
  padding: 3px 5px 0 0;
}
#planner-clock {
  cursor: pointer;
  user-select: none; /* Prevent text selection on click */
  padding: 2px 5px; /* Add some padding for easier clicking */
  border-radius: 3px;
  transition: background-color 0.2s ease;
}

#planner-clock:hover {
  background-color: var(--button-secondary-hover-bg); /* Subtle hover effect */
}

/* --- Card Detail Modal Styles --- */
.detail-modal-content {
  width: 600px; /* Make detail modal wider */
  max-width: 90%;
}

.detail-editable-area {
  min-height: 150px;
  max-height: 40vh; /* Limit height */
  overflow-y: auto; /* Add scroll if content exceeds max height */
  border: 1px solid var(--input-border);
  border-radius: 4px;
  padding: 10px;
  background-color: var(--card-bg); /* Match input background */
  color: var(--text-color);
  transition: border-color 0.2s, background-color 0.3s, color 0.3s;
}

.detail-editable-area:focus {
  border-color: var(--input-focus-border);
  outline: none;
  box-shadow: 0 0 0 2px var(--input-focus-shadow);
}

/* Add some basic styling for contentEditable content */
.detail-editable-area p {
  margin-bottom: 0.5em;
}
.detail-editable-area strong,
.detail-editable-area b {
  font-weight: bold;
}
.detail-editable-area em,
.detail-editable-area i {
  font-style: italic;
}
.detail-editable-area ul {
  list-style: disc;
  margin-left: 20px;
}
.detail-editable-area ol {
  list-style: decimal;
  margin-left: 20px;
}

/* --- Deadline Label Styles --- */
.deadline-label {
  position: absolute;
  top: 6px;
  right: 6px;
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 4px;
  color: white; /* Default text color, good contrast */
  transition: opacity 0.2s ease-in-out;
  z-index: 5; /* Positioned below action icons */
}

/* Hide the label when hovering over the card to show action icons */
.card:hover .deadline-label {
  display: none;
}

/* Prevent long titles from overlapping the label */
.card-title {
  margin-right: 55px;
}

/* Deadline status colors */
.deadline-normal {
  background-color: #d7dfea;
  color: #6e819a;
}
.deadline-warning {
  background-color: #f2d600; /* Yellow */
  color: #172b4d; /* Dark text for readability on yellow */
}
.deadline-urgent {
  background-color: #ff9f1a; /* Orange */
  color: white;
}
.deadline-critical {
  background-color: #eb5a46; /* Red */
}

/* Dark Mode Adjustments */
body.dark-mode .deadline-normal {
  background-color: #36414f;
  color: #8e9caf;
}
body.dark-mode .deadline-warning {
  background-color: var(--urgency-medium-color);
  color: #2d343e;
}
body.dark-mode .deadline-urgent {
  background-color: #ff9f1a;
  color: #2d343e;
}
body.dark-mode .deadline-critical {
  background-color: var(--danger-color);
} /* --- Flatpickr Customization --- */

/* Style the date input field to match other inputs in the modal */
input#cardDeadline.flatpickr-input {
  /* Use !important to override flatpickr's default inline styles if necessary */
  background-color: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--input-border);
  border-radius: 4px;
  font-size: 14px;
  width: 100%;
  padding: 10px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  box-sizing: border-box; /* Ensure padding is included in the width */
}

/* --- Custom Dark Theme for the Calendar Popup --- */
.flatpickr-calendar.dark-mode-calendar {
  background: var(--column-bg);
  border: 1px solid var(--border-color);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
}
.dark-mode-calendar .flatpickr-months .flatpickr-month {
  color: var(--text-color);
  fill: var(--text-color);
}
.dark-mode-calendar .flatpickr-months .flatpickr-prev-month:hover svg,
.dark-mode-calendar .flatpickr-months .flatpickr-next-month:hover svg {
  fill: var(--primary);
}
.dark-mode-calendar .flatpickr-weekday {
  color: var(--secondary-text-color);
}
.dark-mode-calendar .flatpickr-day {
  color: var(--text-color);
}
.dark-mode-calendar .flatpickr-day:hover {
  background: var(--button-secondary-hover-bg);
  border-color: transparent;
}
.dark-mode-calendar .flatpickr-day.today {
  border-color: var(--primary);
}
.dark-mode-calendar .flatpickr-day.today:hover {
  background: var(--primary);
  color: var(--bg-color);
  border-color: var(--primary);
}
.dark-mode-calendar .flatpickr-day.selected,
.dark-mode-calendar .flatpickr-day.startRange,
.dark-mode-calendar .flatpickr-day.endRange {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--bg-color);
}
.dark-mode-calendar .flatpickr-day.disabled,
.dark-mode-calendar .flatpickr-day.prevMonthDay,
.dark-mode-calendar .flatpickr-day.nextMonthDay {
  color: rgba(225, 228, 232, 0.4);
}
.dark-mode-calendar .arrowUp::after {
  border-bottom-color: var(--column-bg);
}
.dark-mode-calendar .arrowDown::after {
  border-top-color: var(--column-bg);
}