/* ===================================================================
   WORKROOM MINI - STYLESHEET
   A clean, practical desktop productivity tool.
   No excessive gradients, no neon glow, no glassmorphism.
   =================================================================== */

/* Reset / Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Variables */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-hover: #f1f5f9;
  --surface-active: #e2e8f0;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --border-focus: #2563eb;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #eff6ff;
  --accent-border: #bfdbfe;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --danger-light: #fef2f2;
  --danger-border: #fecaca;
  --warning: #d97706;
  --warning-light: #fef3c7;
  --warning-border: #fde68a;
  --radius: 6px;
  --radius-sm: 4px;
  --sidebar-width: 250px;
  --header-height: 48px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Accessibility helper */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Authentication */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background-color: var(--bg);
}

.auth-container {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-header {
  text-align: center;
}

.auth-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.auth-subtitle {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-muted);
}

.auth-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 22px;
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--bg);
  padding: 3px;
  margin-bottom: 18px;
}

.auth-tab {
  border: none;
  background: transparent;
  padding: 7px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.auth-tab.active {
  background-color: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.auth-tab:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 1px;
}

.auth-error-banner {
  background-color: var(--danger-light);
  border: 1px solid var(--danger-border);
  color: var(--danger);
  font-size: 14px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 14px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group select {
  height: 38px;
  padding: 0 12px;
  font-size: 14px;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-group input:focus,
.form-group select:focus,
.task-edit-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
}

.auth-footer {
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* App Shell */
.app-body {
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.app-header {
  height: var(--header-height);
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  flex-shrink: 0;
  z-index: 10;
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.brand-icon {
  color: var(--accent);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.user-label {
  color: var(--text-muted);
}

.username-display {
  color: var(--text);
  font-weight: 600;
}

.app-layout {
  flex: 1;
  display: flex;
  overflow: hidden;
  height: calc(100vh - var(--header-height));
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background-color: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-nav {
  padding: 8px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  transition: background-color 0.12s ease, color 0.12s ease;
  user-select: none;
}

.sidebar-nav-item:hover {
  background-color: var(--surface-hover);
}

.sidebar-nav-item.active {
  background-color: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
  position: relative;
}

.sidebar-nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 3px;
  background-color: var(--accent);
  border-radius: 2px;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.sidebar-header-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.sidebar-new-project {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg);
  flex-shrink: 0;
}

.input-compact {
  width: 100%;
  height: 34px;
  padding: 0 10px;
  font-size: 13px;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
}

.input-compact:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.form-actions-inline {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.project-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.project-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  transition: background-color 0.12s ease;
  user-select: none;
  gap: 6px;
}

.project-item:hover {
  background-color: var(--surface-hover);
}

.project-item.active {
  background-color: var(--accent-light);
  color: var(--accent);
  font-weight: 600;
}

.project-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background-color: var(--accent);
  border-radius: 0 2px 2px 0;
}

.project-item-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.project-item-menu-btn {
  opacity: 0;
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 22px;
  height: 22px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: opacity 0.12s ease, background-color 0.12s ease;
}

.project-item:hover .project-item-menu-btn,
.project-item:focus-within .project-item-menu-btn {
  opacity: 1;
}

.project-item-menu-btn:hover {
  background-color: var(--surface-active);
  color: var(--text);
}

.project-tag-joined {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--surface-hover);
  border: 1px solid var(--border);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  line-height: 1.2;
}

.project-item.active .project-tag-joined {
  background-color: #dbeafe;
  color: var(--accent);
  border-color: var(--accent-border);
}

/* Toolbar & Project Header */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg);
}

/* Dashboard Workspace */
.dashboard-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dashboard-header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
}

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

.dashboard-title-wrapper {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.dashboard-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}

.dashboard-subtitle {
  font-size: 13px;
  color: var(--text-muted);
}

.dashboard-viewport {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}

.dashboard-loading,
.dashboard-error,
.dashboard-empty-projects {
  padding: 40px 20px;
  text-align: center;
}

.dashboard-loading-text {
  font-size: 14px;
  color: var(--text-muted);
}

/* Dashboard Summary Strip */
.dashboard-summary-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.summary-tile {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: border-color 0.12s ease;
}

.summary-tile:hover {
  border-color: var(--border-strong);
}

.summary-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.summary-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  margin-top: 2px;
}

.summary-tile.warning .summary-value {
  color: #b45309;
}

.summary-tile.danger .summary-value {
  color: var(--danger);
}

/* Dashboard Grid: Needs Attention & Projects */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.dashboard-panel {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.dashboard-panel-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.dashboard-panel-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.dashboard-panel-badge {
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
}

.dashboard-panel-body {
  display: flex;
  flex-direction: column;
}

/* Attention Rows */
.attention-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background-color 0.12s ease;
  user-select: none;
}

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

.attention-item:hover {
  background-color: var(--surface-hover);
}

.attention-item:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: -2px;
}

.attention-item-content {
  flex: 1;
  min-width: 0;
}

.attention-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.attention-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.attention-more-note {
  padding: 8px 14px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  background-color: var(--bg);
  font-weight: 500;
  border-top: 1px solid var(--border);
}

/* Dashboard Project Rows */
.dashboard-project-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background-color 0.12s ease;
  user-select: none;
}

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

.dashboard-project-item:hover {
  background-color: var(--surface-hover);
}

.dashboard-project-item:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: -2px;
}

.dashboard-project-info {
  flex: 1;
  min-width: 0;
}

.dashboard-project-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dashboard-project-tasks {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.dashboard-project-status {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  font-size: 12px;
}

.dashboard-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.dashboard-status-tag.danger {
  background-color: var(--danger-light);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.dashboard-status-tag.warning {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.dashboard-status-tag.clear {
  color: var(--text-muted);
  font-size: 12px;
}

.dashboard-status-tag.muted {
  background-color: var(--surface-hover);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.dashboard-panel-empty {
  padding: 24px 14px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* Project Workspace */
.project-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.project-header {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex-shrink: 0;
}

.project-title-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.project-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.project-actions-dropdown {
  position: relative;
  margin-left: auto;
}

.project-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  flex: 1;
  min-width: 0;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* View Switcher (Kanban first, List second) */
.view-switcher {
  display: inline-flex;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
  flex-shrink: 0;
}

.view-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: transparent;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.view-tab.active {
  background-color: var(--surface);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.view-tab:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 1px;
}

/* Search Box in Toolbar */
.search-box {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-width: 170px;
  max-width: 240px;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 9px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 32px;
  padding: 0 26px 0 28px;
  font-size: 13px;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.search-clear-btn {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  font-size: 16px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 2px;
}

.search-clear-btn:hover {
  color: var(--text);
}

/* Filter Controls in Toolbar */
.filter-controls {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-my-tasks-btn {
  height: 32px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.filter-my-tasks-btn:hover {
  color: var(--text);
  border-color: var(--border-focus);
}

.filter-my-tasks-btn.active {
  background-color: var(--accent-light);
  color: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}

.filter-select {
  height: 32px;
  padding: 0 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  cursor: pointer;
  max-width: 150px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  transition: border-color 0.15s ease;
}

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

.filter-clear-btn {
  font-size: 12px;
  height: 30px;
  padding: 0 8px;
  color: var(--danger);
}

.filter-clear-btn:hover {
  color: var(--danger-hover);
  background-color: var(--danger-light);
}

/* Fast Task Creator Box */
.inline-add-task-box {
  background-color: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px;
  flex-shrink: 0;
  animation: slideDown 0.15s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.flex-1 {
  flex: 1;
}

.flex-3 {
  flex: 3;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.task-form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
}

.task-form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.label-optional {
  font-weight: 400;
  color: var(--text-muted);
}

.task-inline-input {
  width: 100%;
  height: 36px;
  padding: 0 10px;
  font-size: 14px;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}

.task-select-input {
  font-family: inherit;
  font-size: 13px;
  padding: 0 8px;
}

.task-date-input {
  font-family: inherit;
  font-size: 13px;
  padding: 0 8px;
}

.task-inline-input:focus,
.task-inline-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.task-inline-textarea {
  width: 100%;
  min-height: 48px;
  padding: 6px 10px;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  resize: vertical;
}

.task-edit-textarea {
  width: 100%;
  min-height: 72px;
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text);
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  resize: vertical;
}

.task-input-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.task-input-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* Tasks Viewport */
.tasks-viewport {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  position: relative;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 6px 14px;
  height: 36px;
  line-height: 1;
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
  user-select: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 1px;
}

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

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--surface-hover);
}

.btn-subtle {
  background-color: transparent;
  color: var(--text-muted);
  border-color: transparent;
}

.btn-subtle:hover:not(:disabled) {
  background-color: var(--surface-hover);
  color: var(--text);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-muted);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--surface-hover);
  color: var(--text);
}

.btn-danger {
  background-color: var(--danger);
  color: var(--text-inverse);
  border-color: var(--danger);
}

.btn-danger:hover:not(:disabled) {
  background-color: var(--danger-hover);
  border-color: var(--danger-hover);
}

.btn-sm {
  height: 32px;
  padding: 5px 10px;
  font-size: 13px;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease;
}

.btn-icon:hover {
  background-color: var(--surface-hover);
  color: var(--text);
}

.btn-icon:focus-visible {
  outline: 2px solid var(--border-focus);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 4px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 4px;
  min-width: 170px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.floating-context-menu {
  position: fixed;
  z-index: 250;
  margin-top: 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  font-size: 13px;
  color: var(--text);
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: background-color 0.12s ease;
}

.dropdown-item:hover {
  background-color: var(--surface-hover);
}

.dropdown-item.danger {
  color: var(--danger);
}

.dropdown-item.danger:hover {
  background-color: var(--danger-light);
}

/* Status Indicators */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.status-todo { background-color: #94a3b8; }
.status-doing { background-color: #3b82f6; }
.status-review { background-color: #f59e0b; }
.status-done { background-color: #10b981; }

/* List */
.view-list {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.list-table-header {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 130px 110px 130px 76px;
  padding: 9px 16px;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.list-table-body {
  display: flex;
  flex-direction: column;
}

.task-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) 130px 110px 130px 76px;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  transition: background-color 0.12s ease;
}

.task-row:last-child {
  border-bottom: none;
}

.task-row-assignee {
  display: flex;
  align-items: center;
  font-size: 12px;
  min-width: 0;
  padding-right: 8px;
}

.assignee-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.assignee-unassigned {
  color: var(--text-muted);
  font-size: 12px;
}

.task-row:hover {
  background-color: var(--surface-hover);
}

.task-row-title-col {
  min-width: 0;
  padding-right: 12px;
}

.task-row-title {
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-row-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.task-row-status {
  display: flex;
  align-items: center;
}

.task-row-due {
  display: flex;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.task-row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.task-action-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.12s ease, color 0.12s ease;
}

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

.task-action-btn.danger:hover {
  background-color: var(--danger-light);
  color: var(--danger);
}

/* Due Date Badges */
.due-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  line-height: 1.3;
  white-space: nowrap;
}

.due-badge svg {
  flex-shrink: 0;
}

.due-badge.normal {
  background-color: var(--surface-hover);
  color: var(--text-muted);
  border: 1px solid var(--border-strong);
}

.due-badge.due-soon {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.due-badge.overdue {
  background-color: var(--danger-light);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.due-badge.done {
  background-color: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.no-due-text {
  font-size: 12px;
  color: var(--text-muted);
  opacity: 0.7;
}

/* Kanban */
.view-kanban {
  height: 100%;
}

.kanban-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  align-items: flex-start;
  min-height: 100%;
}

.kanban-column {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 190px);
  min-height: 220px;
}

.kanban-column-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  background-color: var(--bg);
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
}

.column-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.column-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
}

.column-badge {
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
}

.kanban-card-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 70px;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

/* Drag over column feedback */
.kanban-card-list.drag-over {
  background-color: var(--accent-light);
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.kanban-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  padding: 9px 11px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  cursor: grab;
  user-select: none;
  transition: transform 0.1s ease, box-shadow 0.1s ease, opacity 0.1s ease;
}

.kanban-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.kanban-card.dragging {
  opacity: 0.4;
  cursor: grabbing;
  transform: scale(0.98);
}

.kanban-card-content {
  flex: 1;
  min-width: 0;
}

.kanban-card-title {
  font-size: 14px;
  color: var(--text);
  font-weight: 600;
  line-height: 1.35;
  word-break: break-word;
}

.kanban-card-desc {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.kanban-card-meta {
  margin-top: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.kanban-assignee-badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  background-color: var(--bg);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kanban-card-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.12s ease;
}

.kanban-card:hover .kanban-card-actions,
.kanban-card:focus-within .kanban-card-actions {
  opacity: 1;
}

.kanban-empty-note {
  text-align: center;
  padding: 20px 8px;
  font-size: 13px;
  color: var(--text-muted);
}

/* Empty States */
.tasks-empty-state,
.no-project-selected {
  text-align: center;
  padding: 60px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty-panel {
  max-width: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.empty-panel-icon {
  color: var(--text-muted);
  opacity: 0.5;
  margin-bottom: 2px;
}

.empty-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.empty-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* Dialogs */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
  animation: fadeIn 0.12s ease-out;
}

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

.modal-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 440px;
  overflow: hidden;
  animation: modalScale 0.15s ease-out;
}

@keyframes modalScale {
  from { transform: scale(0.97); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.modal-close-btn {
  background: transparent;
  border: none;
  font-size: 20px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

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

.modal-body {
  padding: 18px;
}

.modal-footer {
  padding: 12px 18px;
  background-color: var(--bg);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.dialog-prompt {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.dialog-warning {
  font-size: 14px;
  color: var(--text-muted);
}

.dialog-subtext {
  font-size: 13px;
  color: var(--text-muted);
}

.modal-card-wide {
  max-width: 520px;
}

.modal-card-task {
  max-width: 580px;
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
}

.modal-body-scrollable {
  padding: 18px;
  overflow-y: auto;
  max-height: calc(100vh - 160px);
}

.task-edit-footer-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 14px;
}

.modal-section-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 18px 0;
}

/* Task Comments Section */
.task-comments-section {
  display: flex;
  flex-direction: column;
}

.comments-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.comments-heading {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.comments-count-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-muted);
}

.task-comments-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 200px;
  overflow-y: auto;
  margin-bottom: 12px;
  padding-right: 4px;
}

.comment-item {
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
}

.comment-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.comment-author-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.comment-author {
  font-weight: 700;
  color: var(--text);
  font-size: 12px;
}

.comment-timestamp {
  color: var(--text-muted);
  font-size: 11px;
}

.comment-delete-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  font-size: 11px;
  border-radius: var(--radius-sm);
  line-height: 1.2;
  transition: all 0.12s ease;
}

.comment-delete-btn:hover {
  background-color: #fee2e2;
  color: var(--danger);
}

.comment-content {
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.comments-empty-hint {
  color: var(--text-muted);
  font-size: 13px;
  text-align: center;
  padding: 16px 8px;
  font-style: italic;
}

.comment-composer-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px;
}

.comment-textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 13px;
  resize: vertical;
  min-height: 54px;
  font-family: inherit;
  background-color: var(--surface);
  color: var(--text);
}

.comment-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.comment-composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.composer-shortcut-hint {
  font-size: 11px;
  color: var(--text-muted);
}

.join-code-input {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 16px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  text-align: center;
}

.form-error-msg {
  color: var(--danger);
  font-size: 13px;
  font-weight: 500;
  margin-top: 6px;
}

.members-invite-section {
  padding: 12px 14px;
  background-color: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}

.members-subheading {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.members-subtext {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.join-code-display-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.join-code-box {
  display: flex;
  align-items: baseline;
  gap: 8px;
  background-color: var(--surface);
  border: 1px solid var(--border-strong);
  padding: 5px 12px;
  border-radius: var(--radius-sm);
}

.join-code-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
}

.join-code-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
}

.members-list-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.members-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  background-color: var(--bg);
}

.member-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--surface);
  border: 1px solid var(--border);
}

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

.member-username {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.member-role-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  line-height: 1.2;
}

.member-role-badge.owner {
  background-color: var(--accent-light);
  color: var(--accent);
  border: 1px solid var(--accent-border);
}

.member-role-badge.member {
  background-color: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.member-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-remove-member {
  color: var(--danger);
  background: transparent;
  border: 1px solid transparent;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}

.btn-remove-member:hover {
  background-color: var(--danger-light);
  border-color: var(--danger-border);
}

/* Toasts */
.toast-container {
  position: fixed;
  bottom: 18px;
  right: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: #1e293b;
  color: #ffffff;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toastSlide 0.2s ease-out;
  max-width: 320px;
}

.toast.error {
  background-color: var(--danger);
}

.toast.success {
  background-color: #059669;
}

@keyframes toastSlide {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 1024px) {
  :root {
    --sidebar-width: 220px;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .kanban-grid {
    grid-template-columns: repeat(4, minmax(210px, 1fr));
    overflow-x: auto;
    padding-bottom: 10px;
  }
}

@media (max-width: 768px) {
  .app-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: 180px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .dashboard-summary-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-header,
  .project-header {
    padding: 10px 14px;
  }

  .dashboard-viewport,
  .tasks-viewport {
    padding: 12px 14px;
  }

  .kanban-grid {
    grid-template-columns: repeat(4, 230px);
    overflow-x: auto;
  }
}

/* Remote update notice in task modal */
.task-edit-notice {
  background-color: var(--accent-light);
  border: 1px solid var(--accent-border);
  color: var(--accent-hover);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 14px;
  line-height: 1.4;
}