/* Auth Pages – Login, Register, Dashboard */

/* ─── Auth Page Layout ─────────────────────────────── */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--color-surface-2);
  color: var(--color-text);
  font-family: 'Inter', system-ui, sans-serif;
}

.auth-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.auth-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0 0 0.25rem 0;
  text-align: center;
  color: var(--color-primary);
}

.auth-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: 0 0 1.5rem 0;
}

/* ─── Auth Form ────────────────────────────────────── */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.auth-field label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.auth-field input {
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface-3);
  color: var(--color-text);
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s;
}

.auth-field input:focus {
  border-color: var(--color-primary);
}

.auth-button {
  margin-top: 0.5rem;
  padding: 0.625rem 1rem;
  border: none;
  border-radius: 6px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.auth-button:hover:not(:disabled) {
  opacity: 0.9;
}

.auth-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ─── Auth Error ───────────────────────────────────── */
.auth-error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  padding: 0.625rem 0.875rem;
  border-radius: 6px;
  font-size: 0.8125rem;
  margin-bottom: 1rem;
  cursor: pointer;
  text-align: center;
}

/* ─── Auth Switch Link ─────────────────────────────── */
.auth-switch {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.auth-link {
  background: none;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0;
  text-decoration: none;
}

.auth-link:hover {
  text-decoration: underline;
}

/* ─── Dashboard ────────────────────────────────────── */
.dashboard-page {
  min-height: 100vh;
  background: var(--color-surface-2);
  color: var(--color-text);
  font-family: 'Inter', system-ui, sans-serif;
  display: flex;
  flex-direction: column;
}

.dashboard-3col {
  display: grid;
  grid-template-columns: 240px 1fr 300px;
  flex: 1;
  gap: 1px;
  background: var(--color-border);
  overflow: hidden;
  min-height: 0;
}

.dashboard-treeview {
  background: var(--color-surface);
  overflow-y: auto;
  padding: 12px;
  position: relative;
}

.dashboard-info-panel {
  background: var(--color-surface);
  overflow-y: auto;
  padding: 16px;
}

.treeview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.treeview-header h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  color: var(--color-text);
}

.treeview-add-folder-btn {
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 4px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.treeview-add-folder-btn:hover { opacity: 0.85; }

.folder-create-form {
  margin-bottom: 8px;
  padding: 8px;
  background: var(--color-surface-3);
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.folder-create-form input {
  width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: 13px;
  outline: none;
  box-sizing: border-box;
}

.folder-create-form input:focus { border-color: var(--color-primary); }

.folder-create-actions {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}

.folder-create-actions button {
  padding: 4px 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}

.folder-create-actions button:first-child {
  background: var(--color-primary);
  color: white;
}

.folder-create-actions button:last-child {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.folder-rename-form {
  margin-bottom: 8px;
  padding: 8px;
  background: var(--color-surface-3);
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.folder-rename-form input {
  width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: 13px;
  outline: none;
  box-sizing: border-box;
}

.folder-rename-form input:focus { border-color: var(--color-primary); }

.folder-action-buttons {
  display: inline-flex;
  gap: 2px;
  margin-left: 4px;
}

.folder-action-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 4px;
  font-size: 12px;
  color: var(--color-text-muted);
  border-radius: 3px;
  transition: color 0.15s, background 0.15s;
}

.folder-action-btn:hover { color: var(--color-primary); background: rgba(37, 99, 235, 0.1); }
.folder-action-btn.delete:hover { color: #e74c3c; background: rgba(231, 76, 60, 0.1); }

/* Drag-over visual feedback on tree nodes */
.tree-node.drag-over {
  background: var(--color-primary) !important;
  opacity: 0.7;
  border: 2px dashed var(--color-primary);
  border-radius: 4px;
}

.treeview-drop-zone.drag-over {
  background: rgba(37, 99, 235, 0.15);
  outline: 2px dashed var(--color-primary);
  border-radius: 4px;
}

.context-menu-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 5000;
}

.context-menu {
  position: fixed;
  z-index: 5001;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  min-width: 160px;
  padding: 4px 0;
}

.context-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 16px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  font-size: 13px;
  transition: background 0.15s;
}

.context-menu-item:hover { background: rgba(37, 99, 235, 0.1); }
.context-menu-item.danger:hover { background: rgba(231, 76, 60, 0.1); color: #e74c3c; }

.dashboard-project-card.selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.dashboard-open-btn {
  padding: 4px 10px;
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  background: var(--color-primary);
  color: white;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}

.dashboard-open-btn:hover { opacity: 0.85; }

/* ─── Info Panel ────────────────────────────────────── */

.info-panel-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--color-text);
}

.info-panel-title-input {
  width: 100%;
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--color-text);
  background: var(--color-surface-3);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 6px 8px;
  outline: none;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, sans-serif;
}

.info-panel-title-input:focus {
  border-color: var(--color-primary);
}

.info-panel-description {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0 0 16px 0;
  line-height: 1.5;
}

.info-panel-desc-textarea {
  width: 100%;
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0 0 16px 0;
  line-height: 1.5;
  background: var(--color-surface-3);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 8px;
  outline: none;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, sans-serif;
  resize: vertical;
  min-height: 60px;
}

.info-panel-desc-textarea:focus {
  border-color: var(--color-primary);
}

.info-panel-section {
  margin-bottom: 20px;
}

.info-panel-section h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  margin: 0 0 8px 0;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--color-border);
}

.info-panel-meta {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
}

.info-panel-meta dt {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.info-panel-meta dd {
  font-size: 13px;
  color: var(--color-text);
  margin: 0;
}

.info-panel-loading, .info-panel-empty {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 8px 0;
}

.info-panel-shares {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-panel-share-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 13px;
}

.info-panel-share-email {
  color: var(--color-text);
}

.info-panel-share-perm {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 3px;
  background: var(--color-border);
  color: var(--color-text-muted);
}

.info-panel-open-btn {
  width: 100%;
  padding: 10px;
  border: none;
  border-radius: 6px;
  background: var(--color-primary);
  color: white;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 8px;
}

.info-panel-open-btn:hover { opacity: 0.85; }

.info-panel-save-btn {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--color-primary);
  border-radius: 6px;
  background: var(--color-surface);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 8px;
  transition: background 0.15s, color 0.15s;
}

.info-panel-save-btn:hover {
  background: var(--color-primary);
  color: white;
}

.info-panel-save-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.info-panel-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 200px;
}

.info-panel-placeholder p {
  color: var(--color-text-muted);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 1024px) {
  .dashboard-3col {
    grid-template-columns: 1fr;
  }
  .dashboard-treeview, .dashboard-info-panel {
    display: none;
  }
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.dashboard-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.dashboard-brand h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-primary);
}

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

.dashboard-logout {
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: transparent;
  color: var(--color-text);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}

.dashboard-logout:hover {
  background: rgba(255, 255, 255, 0.05);
}

.dashboard-content {
  padding: 2rem;
  overflow-y: auto;
  background: var(--color-surface);
}

.dashboard-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.dashboard-section-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.dashboard-create-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.dashboard-create-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.dashboard-create-form input {
  flex: 1;
  min-width: 150px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface-3);
  color: var(--color-text);
  font-size: 13px;
  outline: none;
}

.dashboard-create-form input:focus {
  border-color: var(--color-primary);
}

.dashboard-create-form button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
}

.dashboard-create-form button:first-of-type {
  background: var(--color-primary);
  color: #fff;
}

.dashboard-create-form button:last-of-type {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.dashboard-loading,
.dashboard-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: 2rem;
}

.dashboard-project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
}

.dashboard-project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.25rem;
  cursor: pointer;
  transition: border-color 0.15s, transform 0.1s;
}

.dashboard-project-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.dashboard-project-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.5rem 0;
}

.dashboard-project-card p {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0 0 0.75rem 0;
}

.dashboard-project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-muted);
}

.dashboard-delete-btn {
  padding: 0.25rem 0.5rem;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 4px;
  background: transparent;
  color: #ef4444;
  font-size: 12px;
  cursor: pointer;
}

.dashboard-delete-btn:hover {
  background: rgba(239, 68, 68, 0.1);
}