:root {
  --bg-color: #fdfcfa;
  --card-bg-color: #ffffff;
  --text-color: #4a4a4a;
  --text-light-color: #7a7a7a;
  --primary-color: #8ecae6;
  --secondary-color: #e8e8e8;
  --accent-color: #219ebc;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.05);
  --font-family: 'Poppins', sans-serif;
}

@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 0 0px var(--category-color);
  }
  100% {
    box-shadow: 0 0 0 8px transparent;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes waiting-pulse {
  0% { opacity: 0.5; }
  50% { opacity: 1; }
  100% { opacity: 0.5; }
}


* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
}

#root {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

/* --- App Container --- */
.app-container {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* --- Snapshot Banner --- */
.snapshot-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #fffbe6;
    color: #8a6d3b;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid #ffeeba;
    margin-bottom: -1rem; /* Pull header up */
}
.snapshot-banner p {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.snapshot-banner svg {
    flex-shrink: 0;
}
.dismiss-btn {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: #8a6d3b;
    cursor: pointer;
    line-height: 1;
    padding: 0 0.5rem;
}

/* --- Header --- */
.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  position: relative;
}

.header-main {
  flex-grow: 1;
  text-align: center;
}

.title-input {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-color);
  border: none;
  background: transparent;
  text-align: center;
  width: 100%;
  padding: 5px;
  border-radius: 5px;
  transition: background-color 0.2s;
}

.title-input:focus {
  outline: none;
  background-color: var(--secondary-color);
}

.countdown {
  margin-top: 0.5rem;
  font-size: 1.1rem;
  color: var(--text-light-color);
}

.countdown span {
  font-weight: 600;
  color: var(--accent-color);
}

.deadline-input {
  font-size: 1rem;
  border: 1px dashed var(--border-color);
  background: transparent;
  padding: 4px 8px;
  border-radius: 5px;
  margin-left: 10px;
  color: var(--text-color);
  cursor: pointer;
}

/* --- Header Actions (Manager & Share) --- */
.header-actions {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Auth Buttons */
.login-btn {
    background-color: var(--card-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 600;
    transition: all 0.2s;
}

.login-btn svg {
    stroke-width: 2.5;
}

.login-btn:hover {
    background-color: var(--secondary-color);
    box-shadow: 0 2px 5px var(--shadow-color);
}
.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.logout-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
}
.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--secondary-color);
    transition: transform 0.2s, box-shadow 0.2s;
}
.logout-btn:hover .user-avatar {
    transform: scale(1.05);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.settings-btn {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}
.settings-btn:hover {
    background-color: #dcdcdc;
}
.settings-btn svg {
    width: 20px;
    height: 20px;
}

/* Cloud Sync Indicator */
.cloud-sync-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    font-weight: bold;
    color: var(--text-light-color);
    font-size: 1rem;
    transition: all 0.3s;
}
.cloud-sync-indicator .spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
.cloud-sync-indicator[title="All changes saved"] {
    color: #2ecc71;
    background-color: #e9f7ef;
}
.cloud-sync-indicator[title*="Sync error"] {
    color: #e74c3c;
    background-color: #f9e3e1;
}
.cloud-sync-indicator[title="Saving..."] {
    animation: waiting-pulse 1.5s infinite;
}


/* Share Button */
.share-button-container {
    position: relative;
}

.share-btn {
    background-color: var(--secondary-color);
    color: var(--text-color);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.share-btn:hover {
    background-color: #dcdcdc;
}

.share-btn svg {
    width: 20px;
    height: 20px;
}

.share-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--card-bg-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow-color);
    z-index: 100;
    width: 240px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.share-dropdown button {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: none;
    border: none;
    text-align: left;
    padding: 0.75rem 1rem;
    width: 100%;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-color);
    font-family: var(--font-family);
    transition: background-color 0.2s;
}

.share-dropdown button:hover {
    background-color: var(--bg-color);
}

.share-dropdown button:disabled {
    color: #aaa;
    cursor: not-allowed;
    background-color: transparent !important;
}

.share-dropdown button:disabled svg {
    stroke: #ccc;
}


.share-dropdown button svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    stroke: var(--text-light-color);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    border: none;
    margin: 0.5rem 0;
}

.dropdown-toggle-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    gap: 0.5rem;
}

.autosync-indicator {
    font-weight: bold;
    font-size: 1.1rem;
    line-height: 1;
    margin-left: auto;
    padding-right: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.autosync-indicator.waiting {
    color: var(--text-light-color);
    animation: waiting-pulse 1.5s infinite;
}

.autosync-indicator.syncing {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.autosync-indicator.success {
    color: #2ecc71;
}

.autosync-indicator.error {
    color: #e74c3c;
}

/* Share Naming View */
.share-naming-view {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.share-naming-view p {
    font-size: 0.9rem;
    color: var(--text-light-color);
    margin-bottom: 0.25rem;
    line-height: 1.4;
}
.share-naming-view input {
    width: 100%;
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-family: var(--font-family);
}
.share-naming-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
}
.share-naming-actions button {
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
}
.btn-back {
    background: var(--secondary-color);
    color: var(--text-color);
}
.btn-copy {
    background: var(--accent-color);
    color: white;
}
.btn-copy:disabled {
    background: #ccc;
    cursor: not-allowed;
}


/* --- Roadmap --- */
.roadmap-container {
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 2rem;
}

.tasks-list {
  flex-grow: 1;
}

.phase-header-content {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--primary-color);
  padding: 0.35rem 0.5rem 0.35rem 1rem;
  border-radius: 20px;
}

.phase-name {
  color: white;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
}

.phase-name-input {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background-color: transparent;
  border: none;
  outline: none;
  padding: 0;
  min-width: 150px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.7);
}

.delete-phase-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  cursor: pointer;
  font-size: 1rem;
  line-height: 22px;
  text-align: center;
  padding: 0;
  transition: background-color 0.2s;
  font-weight: 700;
}
.delete-phase-btn:hover {
  background: rgba(255, 255, 255, 0.4);
}


.tasks-list {
  list-style: none;
  padding: 1rem 0;
  position: relative;
}

.tasks-list::before {
  content: '';
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 50%;
  width: 3px;
  background-color: var(--secondary-color);
  border-radius: 2px;
  transform: translateX(-50%);
}

.phase-milestone {
  position: relative;
  margin: 2rem 0;
  text-align: center;
}

.task-card {
  background: var(--card-bg-color);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 5px var(--shadow-color);
  transition: transform 0.2s, box-shadow 0.2s;
  position: relative;
  margin-bottom: 1.5rem;
  width: calc(50% - 40px);
}
.task-card[draggable="true"] .task-content {
  cursor: pointer;
}

.task-content {
  padding: 1rem;
}

.task-card.right {
  left: calc(50% + 40px);
}

.task-card.left {
  left: 0;
}


.task-card::before {
    content: '';
    position: absolute;
    top: 1.25rem;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background-color: var(--category-color, #ccc);
    border: 3px solid var(--bg-color);
    z-index: 1;
}

.task-card.left::before {
  right: -48px;
  transform: translateX(-50%);
}

.task-card.right::before {
  left: -48px;
  transform: translateX(-50%);
}


.task-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

/* Current Task Highlighting */
.task-card.current {
  border: 2px solid var(--category-color);
  box-shadow: 0 4px 12px var(--shadow-color);
}

.task-card.current:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

.task-card.current::before {
  animation: pulse-glow 1.5s infinite;
}

/* Drag and Drop Styles */
.drag-handle {
    position: absolute;
    top: 6px;
    left: 6px;
    cursor: grab;
    color: var(--text-light-color);
    padding: 4px;
    opacity: 0;
    transition: opacity 0.2s;
}
.task-card[draggable="true"]:hover .drag-handle {
    opacity: 1;
}
.drag-handle:hover {
    color: var(--text-color);
}
.task-card.dragging {
    opacity: 0.5;
    background: var(--secondary-color);
    box-shadow: none;
    border: 1px dashed var(--border-color);
}
.task-card.dragging::before {
    display: none;
}

.drop-indicator {
    list-style: none;
    height: 10px;
    margin-bottom: 1.5rem;
    background: repeating-linear-gradient(
        -45deg,
        rgba(33, 158, 188, 0.5),
        rgba(33, 158, 188, 0.5) 5px,
        transparent 5px,
        transparent 10px
    );
    border-radius: 5px;
    width: calc(50% - 40px);
    position: relative;
}
.drop-indicator.right {
    left: calc(50% + 40px);
}
.drop-indicator.left {
    left: 0;
}


.task-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.task-card[draggable="true"] .task-header {
  padding-left: 20px;
}

.task-name {
  font-weight: 600;
  font-size: 1rem;
}

.task-description {
  font-size: 0.9rem;
  color: var(--text-light-color);
  margin-bottom: 0.75rem;
}

.task-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

.task-dates {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent-color);
}

.task-duration {
    font-weight: 500;
    font-size: 0.8em;
    color: var(--text-color);
    background-color: var(--secondary-color);
    padding: 3px 10px;
    border-radius: 12px;
}

.empty-phase-message {
  text-align: center;
  color: var(--text-light-color);
  padding: 2rem 0;
  font-style: italic;
  position: relative;
  margin: 2rem 0;
}


.add-btn {
  background-color: transparent;
  border: 1px dashed var(--border-color);
  color: var(--text-light-color);
  padding: 0.75rem;
  width: 100%;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  font-weight: 500;
}

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

.add-phase-btn {
  align-self: flex-start;
  padding: 0.5rem 1rem;
  background-color: var(--card-bg-color);
  border-style: solid;
}

/* --- Month Timeline --- */
.month-timeline {
    position: sticky;
    top: 2rem;
    flex-shrink: 0;
    width: 80px;
}

.month-timeline ul {
    list-style: none;
    padding: 0;
    margin: 0;
    border-left: 2px solid var(--border-color);
}

.month-timeline li {
    padding: 0.75rem 0.5rem 0.75rem 1rem;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-light-color);
    transition: all 0.2s ease-in-out;
    position: relative;
    border-left: 2px solid transparent;
    margin-left: -2px;
}

.month-timeline li:hover {
    background-color: var(--bg-color);
    color: var(--text-color);
}

.month-timeline li.active {
    background-color: transparent;
    color: var(--accent-color);
    font-weight: 700;
    border-left-color: var(--accent-color);
    transform: scale(1.05);
}

.month-timeline .month-name {
    display: block;
}

.month-timeline .month-year {
    font-size: 0.8rem;
    color: var(--text-light-color);
}

.month-timeline li.active .month-year {
    color: var(--accent-color);
}


/* --- Modal --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: var(--card-bg-color);
  padding: 2rem;
  border-radius: 12px;
  width: 90%;
  max-width: 500px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.modal-content h2 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  text-align: center;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-family: var(--font-family);
  font-size: 1rem;
}

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

.category-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

.category-group input[type="color"],
.new-category-fields input[type="color"] {
  padding: 0;
  height: 48px;
  width: 48px;
  border-radius: 8px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background-color: transparent;
}

.btn-delete-category {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-light-color);
    padding: 0 0.25rem 0 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s;
}

.btn-delete-category:hover {
    color: #e74c3c;
}

.btn-delete-category svg {
    width: 18px;
    height: 18px;
}

.new-category-fields {
    display: flex;
    gap: 10px;
    margin-top: 0.75rem;
}

.settings-instructions {
    background-color: var(--bg-color);
    border-radius: 8px;
    padding: 1rem;
    font-size: 0.9rem;
    color: var(--text-light-color);
    border: 1px solid var(--border-color);
}
.settings-instructions p {
    margin: 0 0 0.5rem 0;
}
.settings-instructions p:last-child {
    margin-bottom: 0;
}
.settings-instructions strong {
    color: var(--text-color);
}

.security-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Auth Modal Styles */
.auth-subtext {
    color: var(--text-light-color);
    font-size: 0.9rem;
    margin-top: -1rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.error-message {
    color: #c0392b;
    background-color: #f9e3e1;
    border: 1px solid #e74c3c;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 0.9rem;
}

.success-message {
    color: #27ae60;
    background-color: #e9f7ef;
    border: 1px solid #27ae60;
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    text-align: center;
    font-size: 0.9rem;
}

/* AI Modal Styles */
.ai-modal-content {
    max-width: 700px; /* Wider for code */
}

.spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
.modal-btn:disabled {
    gap: 0.75rem;
}
.response-container {
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}
.response-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}
.response-header h4 {
    margin: 0;
    font-size: 1.1rem;
}
.copy-btn {
    background: var(--secondary-color);
    border: none;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-family);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color 0.2s;
}
.copy-btn:hover {
    background-color: #dcdcdc;
}
.code-block {
    background-color: #2d2d2d;
    color: #f8f8f2;
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.9rem;
    max-height: 300px;
}
.deploy-instructions {
    margin-top: 1rem;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
}
.deploy-instructions ol {
    padding-left: 1.25rem;
    margin-top: 0.5rem;
}
.deploy-instructions li {
    margin-bottom: 0.25rem;
}

/* Toggle Switch Styles */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 28px;
}
.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}
input:checked + .slider {
    background-color: var(--accent-color);
}
input:checked + .slider:before {
    transform: translateX(22px);
}


.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 2rem;
}

.modal-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.2s, opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.modal-actions .modal-btn {
    width: auto;
}

.modal-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
  background-color: var(--accent-color);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: #1a89a8;
}

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

.btn-secondary:hover {
  background-color: #dcdcdc;
}

.btn-danger {
    background-color: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background-color: #c0392b;
}


/* --- Gantt Chart --- */
.gantt-container {
  background: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 5px var(--shadow-color);
  overflow-x: auto;
}

.gantt-chart h2 {
    margin-bottom: 0.5rem;
}

.gantt-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 1.5rem;
    padding: 0 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.legend-color-box {
    width: 16px;
    height: 16px;
    border-radius: 4px;
    border: 1px solid rgba(0,0,0,0.1);
}

.gantt-svg {
  font-family: var(--font-family);
  font-size: 12px;
}

.gantt-bar {
  rx: 3;
  ry: 3;
  transition: opacity 0.2s;
}

.gantt-bar:hover {
  opacity: 0.8;
  cursor: pointer;
}

.grid-line {
  stroke: var(--border-color);
  stroke-width: 1;
}

.month-label {
  fill: var(--text-light-color);
  font-size: 11px;
}

.task-label-wrapper {
  color: var(--text-color);
  font-size: 13px;
  line-height: 1.3;
  margin: 0;
  padding: 0;
  height: 100%;
  display: flex;
  align-items: center;
  word-break: break-word;
}

.today-marker-line {
  stroke: var(--accent-color);
  stroke-width: 2px;
  stroke-dasharray: 4, 4;
}

.today-marker-text {
  fill: var(--accent-color);
  font-weight: 600;
  font-size: 12px;
  text-anchor: middle;
}

.tooltip {
  position: fixed;
  background: rgba(30, 30, 30, 0.9);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.4;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  white-space: nowrap;
  z-index: 1001;
}

.tooltip strong {
    color: var(--primary-color);
    font-weight: 600;
}

.tooltip em {
    opacity: 0.8;
}


/* Floating Action Button */
.fab-add-task {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  background-color: var(--accent-color);
  color: white;
  border: none;
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  font-size: 2.5rem;
  line-height: 56px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s, background-color 0.2s;
  z-index: 999;
}

.fab-add-task:hover {
  background-color: #1a89a8;
  transform: scale(1.05);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  #root {
    padding: 1rem;
  }
  .header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .header-main {
      text-align: left;
  }

  .header-actions {
      position: static;
      flex-shrink: 0;
      order: -1;
      justify-content: flex-end;
  }
  
  .title-input {
    font-size: 1.8rem;
    text-align: left;
  }
  
  .roadmap-container {
    flex-direction: column;
    align-items: stretch;
  }

  .month-timeline {
    position: static;
    width: 100%;
    overflow-x: auto;
    border-left: none;
    border-bottom: 2px solid var(--border-color);
    -ms-overflow-style: none;
    scrollbar-width: none;
  }

  .month-timeline::-webkit-scrollbar {
    display: none;
  }

  .month-timeline ul {
    display: flex;
    border-left: none;
    width: max-content;
  }

  .month-timeline li {
    padding: 0.5rem 1rem;
    border-left: none;
    margin-left: 0;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
  }
  
  .month-timeline li.active {
    border-left-color: transparent;
    border-bottom-color: var(--accent-color);
    transform: none;
  }
  
  /* Adjustments to keep centered timeline on mobile */
  .task-card {
    width: calc(50% - 25px); /* Less margin */
  }
  .task-card.right {
    left: calc(50% + 25px);
  }
  .task-card.left::before {
    right: -33px;
  }
  .task-card.right::before {
    left: -33px;
  }

  .fab-add-task {
    bottom: 1rem;
    right: 1rem;
  }

  .modal-content {
    padding: 1.5rem;
    max-height: 90vh;
    overflow-y: auto;
  }

  .modal-content h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  .form-group {
    margin-bottom: 0.75rem;
  }
  
  .modal-actions {
    margin-top: 1.5rem;
    gap: 0.5rem;
  }
  
  .modal-btn {
    padding: 0.6rem 1rem;
    font-size: 0.9rem;
  }

  .gantt-container {
    padding: 1rem 0.5rem;
  }
  .gantt-svg {
    font-size: 11px;
  }
  .month-label {
    font-size: 10px;
  }
  .task-label {
    font-size: 12px;
  }

  /* --- Mobile Gantt Chart (List View) --- */
  .gantt-mobile-view {
    padding: 0.5rem 0;
  }
  .gantt-mobile-phase {
    margin-bottom: 1.5rem;
  }
  .gantt-mobile-phase:last-child {
      margin-bottom: 0;
  }
  .gantt-mobile-phase-title {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.25rem;
  }
  .gantt-mobile-task-list {
      list-style: none;
      padding-left: 0;
  }
  .gantt-mobile-task {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
  }
  .gantt-mobile-task-dot {
      flex-shrink: 0;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      margin-top: 5px;
  }
  .gantt-mobile-task-details {
      display: flex;
      flex-direction: column;
  }
  .gantt-mobile-task-name {
      font-weight: 600;
      color: var(--text-color);
      font-size: 0.95rem;
  }
  .gantt-mobile-task-dates {
      font-size: 0.85rem;
      color: var(--text-light-color);
  }

}

/* --- Print Styles --- */
@media print {
    body {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    #root {
        padding: 2rem;
        margin: 0;
        max-width: none;
    }

    .header-actions,
    .fab-add-task,
    .modal-overlay,
    .delete-phase-btn,
    .add-btn,
    .deadline-input,
    .login-btn,
    .logout-btn,
    .settings-btn,
    .share-button-container,
    .month-timeline,
    .snapshot-banner,
    .drag-handle {
        display: none !important;
    }

    .header {
        text-align: center;
        border-bottom: 2px solid var(--border-color);
        padding-bottom: 1rem;
        margin-bottom: 2rem;
        display: block;
    }
    
    .header-main {
        text-align: center;
    }
    
    .title-input {
        text-align: center;
    }

    .tasks-list::before {
        background-color: #ccc;
    }

    .task-card {
        box-shadow: none;
        border: 1px solid #ccc;
        page-break-inside: avoid;
    }

    .gantt-section {
        margin-top: 2rem;
        page-break-before: always;
    }

    .gantt-container {
        overflow-x: visible;
        box-shadow: none;
        border: none;
        padding: 0;
    }

    .gantt-svg {
        width: 100%;
        height: auto;
    }
}