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

:root {
  --bg: #1a1a2e;
  --surface: #16213e;
  --surface2: #0f3460;
  --accent: #e94560;
  --accent-hover: #d63851;
  --text: #eee;
  --text-muted: #999;
  --border: #2a2a4a;
  --card-bg: #1e2746;
  --shadow: rgba(0,0,0,0.3);
  --priority-high: #e94560;
  --priority-medium: #f5a623;
  --priority-low: #4ecdc4;
  --priority-none: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.current-user {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-left: 8px;
}

.btn-logout {
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-logout:hover {
  color: var(--accent);
  border-color: var(--accent);
}

h1 {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent);
}

.board-selector {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-group label {
  font-size: 13px;
  color: var(--text-muted);
}

select {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

select:focus {
  outline: none;
  border-color: var(--accent);
}

/* Buttons */
.btn {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}

.btn:hover {
  background: #1a4a7a;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

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

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

.btn-danger {
  color: var(--priority-high);
  border-color: var(--priority-high);
}

.btn-danger:hover {
  background: var(--priority-high);
  color: #fff;
}

/* Board / Columns */
main {
  flex: 1;
  display: flex;
  gap: 16px;
  padding: 20px 24px;
  overflow-x: auto;
  overflow-y: hidden;
  align-items: flex-start;
}

.column {
  background: var(--surface);
  border-radius: 10px;
  min-width: 300px;
  max-width: 300px;
  display: flex;
  flex-direction: column;
  max-height: 100%;
  border: 1px solid var(--border);
}

.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.column-header h3 {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.column-header .task-count {
  background: var(--surface2);
  color: var(--text-muted);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
}

.column-body {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  min-height: 60px;
}

.column-body.drag-over {
  background: rgba(233, 69, 96, 0.08);
  border-radius: 0 0 10px 10px;
}

.column-footer {
  padding: 10px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.add-task-btn {
  width: 100%;
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--text-muted);
  padding: 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}

.add-task-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(233, 69, 96, 0.05);
}

/* Task Cards */
.task-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 8px;
  cursor: grab;
  transition: all 0.15s;
  position: relative;
}

.task-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px var(--shadow);
}

.task-card.dragging {
  opacity: 0.5;
  transform: rotate(2deg);
}

.task-card-priority {
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 0 3px 3px 0;
}

.task-card-priority.high { background: var(--priority-high); }
.task-card-priority.medium { background: var(--priority-medium); }
.task-card-priority.low { background: var(--priority-low); }

.task-card-title {
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  padding-left: 8px;
}

.task-card-notes {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding-left: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.task-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 8px;
  gap: 6px;
}

.task-card-assignee {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}

.task-card-due {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.task-card-due.overdue {
  color: var(--priority-high);
}

.task-card-actions {
  position: absolute;
  top: 8px;
  right: 8px;
  display: none;
  gap: 4px;
}

.task-card:hover .task-card-actions {
  display: flex;
}

.task-action-btn {
  background: var(--surface2);
  border: none;
  color: var(--text-muted);
  width: 24px;
  height: 24px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.task-action-btn:hover {
  color: var(--text);
  background: var(--border);
}

.task-action-btn.delete:hover {
  color: var(--priority-high);
}

/* Subtask progress on task card */
.task-card-subtasks {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-left: 8px;
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-muted);
}

.subtask-progress-icon {
  font-size: 13px;
  opacity: 0.7;
}

.subtask-progress-text.all-done {
  color: var(--priority-low);
}

/* Subtask list in modal */
.subtask-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

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

.subtask-checkbox {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.subtask-title {
  flex: 1;
  background: transparent;
  color: var(--text);
  border: 1px solid transparent;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 13px;
  font-family: inherit;
}

.subtask-title:focus {
  outline: none;
  border-color: var(--border);
  background: var(--bg);
}

.subtask-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 0 4px;
  opacity: 0;
  transition: opacity 0.15s;
}

.subtask-item:hover .subtask-remove {
  opacity: 1;
}

.subtask-remove:hover {
  color: var(--priority-high);
}

.subtask-add-row {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.subtask-add-row input {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
}

.subtask-add-row input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Modals */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 100;
  justify-content: center;
  align-items: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 500px;
  max-width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal-sm {
  width: 380px;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 16px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
  padding: 0 4px;
}

.modal-close:hover {
  color: var(--text);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
}

.modal-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

/* Forms */
.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row {
  display: flex;
  gap: 12px;
}

.form-row .form-group {
  flex: 1;
}

/* Column editor in board modal */
.column-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.column-entry input {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
}

.column-entry input:focus {
  outline: none;
  border-color: var(--accent);
}

.column-entry .remove-col {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
  padding: 2px 6px;
}

.column-entry .remove-col:hover {
  color: var(--priority-high);
}

/* Members */
.member-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

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

.member-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.member-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
}

.member-remove:hover {
  color: var(--priority-high);
}

.member-add {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.member-add input {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
}

.member-add input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Member contact info */
.member-contact {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.member-contact .member-name {
  font-size: 14px;
}

.member-contact .member-detail {
  font-size: 11px;
  color: var(--text-muted);
}

.member-add-form {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.member-add-form .form-row {
  align-items: flex-start;
}

.member-add-form input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 13px;
  width: 100%;
}

.member-add-form input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Member inline edit */
.member-edit-fields {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.member-edit-fields input {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  width: 140px;
}

.member-edit-fields input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Users Modal */
.user-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

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

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-details {
  display: flex;
  flex-direction: column;
}

.user-details .user-name {
  font-size: 14px;
  font-weight: 500;
}

.user-details .user-created {
  font-size: 11px;
  color: var(--text-muted);
}

.role-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-badge.admin {
  background: rgba(233, 69, 96, 0.2);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.role-badge.user {
  background: rgba(78, 205, 196, 0.15);
  color: var(--priority-low);
  border: 1px solid var(--priority-low);
}

.user-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.users-add-form {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.form-section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* Reminder Checkboxes */
.reminder-options {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.reminder-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}

.reminder-checkbox input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}

/* Notify Button */
.btn-notify {
  background: transparent;
  border: 1px solid var(--priority-low);
  color: var(--priority-low);
  font-size: 12px;
  padding: 5px 12px;
}

.btn-notify:hover {
  background: rgba(78, 205, 196, 0.15);
}

.btn-notify:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-notify.sent {
  color: var(--priority-low);
  border-color: var(--priority-low);
  background: rgba(78, 205, 196, 0.15);
}

.modal-footer-right {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 200;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s;
  animation-fill-mode: forwards;
}

.toast.success {
  background: rgba(78, 205, 196, 0.9);
  color: #fff;
}

.toast.error {
  background: rgba(233, 69, 96, 0.9);
  color: #fff;
}

@keyframes toastIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes toastOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.empty-state p {
  margin-top: 8px;
  font-size: 14px;
}

/* Chat Sidebar */
.chat-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  height: 100vh;
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transform: translateX(100%);
  transition: transform 0.25s ease;
}

.chat-sidebar.active {
  transform: translateX(0);
}

body.chat-open main {
  margin-right: 400px;
  transition: margin-right 0.25s ease;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-header h2 {
  font-size: 16px;
  color: var(--accent);
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-welcome {
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.6;
}

.chat-welcome ul {
  list-style: none;
  margin-top: 8px;
}

.chat-welcome li {
  padding: 4px 0;
  font-style: italic;
}

.chat-welcome li::before {
  content: '\2192  ';
  color: var(--accent);
}

.chat-msg {
  max-width: 90%;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
  word-wrap: break-word;
  white-space: pre-wrap;
}

.chat-msg.user {
  align-self: flex-end;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
}

.chat-msg.assistant {
  align-self: flex-start;
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
}

.chat-msg.action-result {
  align-self: flex-start;
  background: rgba(78, 205, 196, 0.1);
  border: 1px solid var(--priority-low);
  color: var(--priority-low);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 8px;
}

.chat-msg.google-result {
  align-self: flex-start;
  background: rgba(66, 133, 244, 0.1);
  border: 1px solid #4285f4;
  color: #e0e0e0;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.google-result-icon {
  font-size: 18px;
}

.chat-msg.google-result a {
  color: #4285f4;
  text-decoration: none;
  font-weight: 500;
}

.chat-msg.google-result a:hover {
  text-decoration: underline;
}

.chat-msg.error {
  align-self: flex-start;
  background: rgba(233, 69, 96, 0.1);
  border: 1px solid var(--priority-high);
  color: var(--priority-high);
  font-size: 12px;
}

.chat-msg.streaming::after {
  content: '\2588';
  animation: blink 0.7s infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.chat-input-area {
  border-top: 1px solid var(--border);
  padding: 12px;
  flex-shrink: 0;
}

.chat-input-row {
  display: flex;
  gap: 8px;
}

.chat-input-row textarea {
  flex: 1;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  resize: none;
  max-height: 120px;
}

.chat-input-row textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.chat-input-row button {
  align-self: flex-end;
}

.chat-input-row button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-chat-toggle {
  color: var(--accent);
  border-color: var(--accent);
}