/* Auth screen */
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #292f4c 0%, #1a1f36 100%);
}

.auth-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.auth-logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.auth-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.auth-form h2 {
  font-size: var(--font-size-lg);
  margin-bottom: 20px;
}

.auth-form input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  outline: none;
  transition: border-color var(--transition);
}

.auth-form input:focus {
  border-color: var(--accent);
}

.auth-switch {
  text-align: center;
  margin-top: 16px;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.auth-error {
  color: var(--danger);
  font-size: var(--font-size-sm);
  text-align: center;
  margin-top: 8px;
  min-height: 20px;
}

/* App layout */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  color: var(--text-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar-logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.sidebar-close-btn {
  display: none;
  color: var(--text-sidebar);
}

.sidebar-section {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.sidebar-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-light);
}

.sidebar-section-header .btn-icon {
  color: var(--text-light);
  font-size: 18px;
}

.sidebar-list {
  padding: 0;
}

.sidebar-workspace {
  padding: 0;
}

.sidebar-workspace-name {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-sidebar);
  transition: background var(--transition);
  user-select: none;
}

.sidebar-workspace-name:hover {
  background: var(--bg-sidebar-hover);
}

.sidebar-workspace-name .arrow {
  font-size: 10px;
  transition: transform var(--transition);
}

.sidebar-workspace-name.open .arrow {
  transform: rotate(90deg);
}

.sidebar-boards {
  display: none;
  padding-left: 16px;
}

.sidebar-boards.open {
  display: block;
}

.sidebar-board {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-sidebar);
  border-radius: var(--radius-sm);
  margin: 1px 8px;
  transition: all var(--transition);
}

.sidebar-board:hover {
  background: var(--bg-sidebar-hover);
}

.sidebar-board.active {
  background: var(--bg-sidebar-active);
  color: var(--text-sidebar-active);
}

.sidebar-board-icon {
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 3px;
  flex-shrink: 0;
}

.sidebar-add-board {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 20px;
  margin: 1px 8px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-light);
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.sidebar-add-board:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-sidebar-active);
}

/* Sidebar admin */
.sidebar-admin {
  padding: 4px 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.sidebar-admin-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  background: rgba(255,255,255,0.06);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-sidebar);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: background var(--transition);
}

.sidebar-admin-btn:hover {
  background: rgba(255,255,255,0.12);
}

.admin-icon {
  font-size: 16px;
}

/* Sidebar user */
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: var(--font-size-sm);
}

.sidebar-user #user-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.sidebar-user .btn-icon {
  color: var(--text-light);
}

/* Main */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: var(--topbar-height);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.board-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.topbar-center {
  flex-shrink: 0;
}

.view-switcher {
  display: flex;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 3px;
}

.view-btn {
  padding: 6px 16px;
  border: none;
  background: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  transition: all var(--transition);
  white-space: nowrap;
}

.view-btn.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.view-btn:hover:not(.active) {
  color: var(--text-primary);
}

.topbar-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
  min-width: 0;
}

.filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.search-input {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  width: 180px;
  transition: border-color var(--transition);
}

.search-input:focus {
  border-color: var(--accent);
}

.filter-select {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
}

/* Board content */
.board-content {
  flex: 1;
  overflow: auto;
  padding: 0;
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-secondary);
  gap: 8px;
}

.empty-state h3 {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
}

/* Mobile menu button */
.mobile-only {
  display: none;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal h3 {
  font-size: var(--font-size-lg);
  margin-bottom: 16px;
}

.modal-field {
  margin-bottom: 16px;
}

.modal-field label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.modal-field input:not([type="checkbox"]):not([type="color"]),
.modal-field select,
.modal-field textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
}

.modal-field input[type="checkbox"] {
  width: auto;
  margin: 0;
  cursor: pointer;
}

.modal-field textarea {
  min-height: 80px;
  resize: vertical;
}

.modal-field input:not([type="checkbox"]):not([type="color"]):focus,
.modal-field select:focus,
.modal-field textarea:focus {
  border-color: var(--accent);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 20px;
}

/* Toast */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  background: var(--bg-sidebar);
  color: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  font-size: var(--font-size-sm);
  animation: slideIn 0.3s ease;
  max-width: 340px;
}

.toast.error {
  background: rgba(226, 68, 92, 0.95);
}

.toast.success {
  background: rgba(0, 200, 117, 0.95);
}

.toast-with-action {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-right: 12px;
}

.toast-msg {
  flex: 1;
}

.toast-action {
  background: none;
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--font-size-xs);
  font-weight: 600;
  white-space: nowrap;
  transition: background 0.15s;
}

.toast-action:hover {
  background: rgba(255,255,255,0.2);
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}