/* ============================================
   Webmail-Modul — Phase 30
   ============================================ */

/* ── Layout ── */
.webmail-shell {
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height));
  min-width: 0;
  overflow: hidden;
}

.webmail-layout {
  display: flex;
  flex: 1;
  min-height: 0;
  height: auto;
  overflow: hidden;
  background: var(--color-bg);
}

/* ── Toolbar ── */
.webmail-toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
  min-width: 0;
}

.webmail-account-select {
  min-width: 220px;
  max-width: 100%;
}

.webmail-toolbar-spacer { flex: 1; }

/* ── Folder Tree ── */
.webmail-folders {
  width: 220px;
  flex-shrink: 0;
  background: var(--color-bg-card);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding: var(--space-sm) 0;
}

.webmail-folder-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  cursor: pointer;
  border-radius: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: background var(--transition-fast);
  position: relative;
}

.webmail-folder-item:hover {
  background: var(--color-primary-light);
}

.webmail-folder-item.active {
  background: var(--color-secondary-light);
  color: var(--color-secondary);
  font-weight: 600;
}

.webmail-folder-item i {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.7;
}

.webmail-folder-item.active i { opacity: 1; }

.webmail-folder-name { flex: 1; }

.webmail-folder-badge {
  background: var(--color-secondary);
  color: #fff;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 999px;
  min-width: 20px;
  text-align: center;
}

.webmail-folder-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-xs) var(--space-md);
}

/* ── Message List ── */
.webmail-list {
  width: 340px;
  flex-shrink: 0;
  min-width: 0;
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);
  overflow: hidden;
}

.webmail-list-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.webmail-list-header input {
  flex: 1;
  font-size: var(--font-size-sm);
}

.webmail-list-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
}

.webmail-msg-row {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: background var(--transition-fast);
  position: relative;
}

.webmail-msg-row:hover { background: var(--color-primary-light); }

.webmail-msg-row.active { background: var(--color-secondary-light); }

.webmail-msg-row.unread .webmail-msg-subject {
  font-weight: 700;
  color: var(--color-text);
}

.webmail-msg-row.unread::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-secondary);
}

.webmail-msg-from {
  font-size: var(--font-size-sm);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--color-text);
}

.webmail-msg-subject {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 400;
}

.webmail-msg-meta {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: 2px;
}

.webmail-msg-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  flex: 1;
}

.webmail-msg-icons {
  display: flex;
  gap: 4px;
  color: var(--color-text-muted);
}

.webmail-msg-icons i { width: 13px; height: 13px; }

.webmail-list-empty {
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

.webmail-list-loading {
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-text-muted);
}

/* Pagination */
.webmail-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.webmail-pagination .wm-page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-width: 36px;
  min-height: 32px;
  padding: var(--space-xs) var(--space-sm) !important;
}

.webmail-pagination .wm-page-btn i,
.webmail-pagination .wm-page-btn svg {
  width: 14px;
  height: 14px;
}

.wm-page-status {
  color: var(--color-text);
  font-weight: 600;
  white-space: nowrap;
}

.wm-page-label {
  display: none;
}

/* ── Viewer ── */
.webmail-viewer {
  flex: 1;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--color-bg);
}

.webmail-viewer-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  gap: var(--space-md);
}

.webmail-viewer-empty i { width: 48px; height: 48px; opacity: 0.3; }

.webmail-viewer-header {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.webmail-viewer-subject {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.webmail-viewer-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.webmail-viewer-meta-row { display: flex; gap: var(--space-xs); }
.webmail-viewer-meta-label { font-weight: 600; min-width: 36px; }

.webmail-viewer-actions {
  display: flex;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  flex-wrap: wrap;
}

.webmail-viewer-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: var(--space-lg);
  background: var(--color-bg);
}

.webmail-viewer-html {
  background: #fff;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  overflow-x: auto;
  max-width: 100%;
  overflow-wrap: anywhere;
}

.webmail-viewer-html a { color: var(--color-secondary); }

.webmail-viewer-html img,
.webmail-viewer-html table,
.webmail-viewer-html iframe {
  max-width: 100%;
}

.webmail-viewer-text {
  background: #fff;
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  white-space: pre-wrap;
  font-family: monospace;
}

.webmail-viewer-attachments {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-card);
  flex-shrink: 0;
}

.webmail-viewer-attachments-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.webmail-attachment-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.webmail-attachment-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px var(--space-sm);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--color-text);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.webmail-attachment-btn:hover { background: var(--color-primary-light); }
.webmail-attachment-btn i { width: 13px; height: 13px; }

/* Blocked image placeholder */
.blocked-image {
  display: inline-block;
  padding: 2px 6px;
  background: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ── Compose Modal ── */
.webmail-compose-to-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  min-height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 4px var(--space-sm);
  background: #fff;
  cursor: text;
}

.webmail-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--color-secondary-light);
  color: var(--color-secondary);
  border-radius: 999px;
  font-size: var(--font-size-xs);
}

.webmail-tag-remove {
  cursor: pointer;
  opacity: 0.7;
  font-size: 14px;
  line-height: 1;
}

.webmail-tag-input {
  border: none;
  outline: none;
  font-size: var(--font-size-sm);
  min-width: 120px;
  flex: 1;
  padding: 0;
  background: transparent;
}

.webmail-compose-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.webmail-compose-att {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
}

.webmail-compose-att-remove {
  cursor: pointer;
  color: var(--color-error);
  font-weight: bold;
}

/* ── Settings ── */
.webmail-settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.webmail-settings-page {
  padding: var(--space-lg);
  max-width: 900px;
}

.webmail-settings-page table {
  width: 100%;
  border-collapse: collapse;
}

.webmail-conn-status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  border-radius: 999px;
}

.webmail-conn-status.ok { background: rgba(34,197,94,.12); color: var(--color-success); }
.webmail-conn-status.err { background: rgba(239,68,68,.12); color: var(--color-error); }
.webmail-conn-status.testing { background: var(--color-primary-light); color: var(--color-text-muted); }

/* ── Loading / Spinner ── */
.webmail-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-secondary);
  border-radius: 50%;
  animation: webmail-spin 0.7s linear infinite;
}

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

/* ── Responsive ── */
@media (max-width: 900px) {
  .webmail-folders { display: none; }
  .webmail-list { width: 280px; }
}

@media (max-width: 640px) {
  .webmail-list { width: 100%; border-right: none; }
  .webmail-viewer { display: none; }
  .webmail-layout.show-viewer .webmail-list { display: none; }
  .webmail-layout.show-viewer .webmail-viewer { display: flex; flex: 1; }
  .webmail-layout.show-viewer .webmail-folders { display: none; }
}

/* ============================================
   Mobile: ein Dokument-Scroll statt verschachtelter Scrollboxen
   ============================================ */

@media (max-width: 768px) {
  html,
  body {
    height: auto;
    min-height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
  }

  body.sidebar-open,
  body.modal-open {
    overflow: hidden;
  }

  .app,
  .main {
    height: auto;
    min-height: calc(var(--aq-vh, 1vh) * 100);
    overflow: visible;
  }

  .content {
    flex: 0 0 auto;
    min-height: calc((var(--aq-vh, 1vh) * 100) - var(--header-height));
    overflow: visible;
    -webkit-overflow-scrolling: auto;
    overscroll-behavior-y: auto;
    touch-action: pan-y;
  }

  .content.pipeline-mode,
  .content.pipeline-mode .page.active,
  .content.pipeline-mode #crm-content {
    display: block;
    overflow: visible;
  }

  .sidebar {
    height: calc(var(--aq-vh, 1vh) * 100);
    max-height: calc(var(--aq-vh, 1vh) * 100);
  }

  .sidebar-overlay.active {
    touch-action: none;
  }

  .crm-pipeline {
    height: auto !important;
    min-height: 0;
    overflow: visible;
  }

  .kanban-board-wrapper,
  .kanban-board,
  .kanban-column,
  .kanban-column-body {
    height: auto;
    max-height: none;
    overflow: visible;
  }

  .kanban-board {
    flex-direction: column;
    scroll-snap-type: none;
    padding-bottom: 0;
  }

  .kanban-column,
  .kanban-column[data-stage-type="won"],
  .kanban-column[data-stage-type="lost"] {
    flex: 0 0 auto;
    width: 100%;
  }

  .modal,
  .crm-modal,
  .ze-modal-overlay,
  .kal-modal-overlay {
    align-items: flex-start;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .modal-container,
  .crm-modal-content,
  .ze-modal,
  .kal-modal {
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
    margin-top: auto;
  }

  .modal-body,
  .crm-modal-body,
  .ze-modal-body,
  .kal-modal-body {
    max-height: none !important;
    overflow: visible !important;
  }

  .webmail-layout,
  .webmail-list,
  .webmail-viewer,
  .webmail-folders,
  .webmail-list-body,
  .webmail-viewer-body {
    height: auto;
    max-height: none;
    overflow: visible;
  }

  .webmail-layout {
    display: block;
  }

  .webmail-folders,
  .webmail-list,
  .webmail-viewer {
    width: 100%;
  }
}

/* Webmail mobile app surface */
@media (max-width: 768px) {
  .content.webmail-mode {
    flex: 1 1 auto;
    min-height: calc((var(--aq-vh, 1vh) * 100) - var(--header-height));
    max-height: calc((var(--aq-vh, 1vh) * 100) - var(--header-height));
    padding: 0;
    overflow: hidden;
    -webkit-overflow-scrolling: auto;
    overscroll-behavior: contain;
    touch-action: auto;
  }

  .content.webmail-mode .webmail-shell {
    height: calc((var(--aq-vh, 1vh) * 100) - var(--header-height));
    min-height: 0;
  }

  .content.webmail-mode .webmail-layout {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
  }

  .webmail-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: stretch;
    gap: var(--space-sm);
    padding: var(--space-sm);
  }

  .webmail-toolbar-spacer {
    display: none;
  }

  #wm-compose-btn {
    width: 100%;
    min-width: 0;
    min-height: 46px;
    flex-direction: row;
    gap: var(--space-sm) !important;
    padding: var(--space-sm);
    line-height: 1.15;
    white-space: normal;
  }

  .webmail-account-select {
    width: 100%;
    min-width: 0 !important;
    height: 46px;
    padding-left: var(--space-sm);
    padding-right: var(--space-sm);
    text-overflow: ellipsis;
  }

  #wm-refresh-btn {
    width: 100%;
    min-width: 0;
    height: 44px;
    gap: var(--space-sm);
    padding: 0 var(--space-md) !important;
  }

  #wm-refresh-btn::after {
    content: 'Aktualisieren';
    font-size: var(--font-size-sm);
    font-weight: 600;
  }

  .webmail-folders {
    display: none;
  }

  .webmail-list,
  .webmail-viewer {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
    min-height: 0;
    max-height: none;
    overflow: hidden;
  }

  .webmail-list {
    border-right: none;
  }

  .webmail-list-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-sm);
    padding: var(--space-sm);
  }

  .webmail-list-header input {
    width: 100%;
    min-width: 0;
    height: 48px;
  }

  #wm-global-search-btn {
    min-width: 68px;
    min-height: 48px;
    padding: 0 var(--space-sm) !important;
    white-space: nowrap;
  }

  .webmail-list-body,
  .webmail-viewer-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .webmail-msg-row {
    min-height: 82px;
    padding: var(--space-sm) var(--space-md);
  }

  .webmail-msg-from,
  .webmail-msg-subject {
    max-width: 100%;
  }

  .webmail-msg-subject {
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .webmail-pagination {
    position: relative;
    z-index: 2;
    min-height: 56px;
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-card);
  }

  .webmail-pagination .wm-page-btn {
    flex: 1 1 0;
    max-width: 112px;
    min-height: 48px;
    border: 1px solid var(--color-border);
  }

  .webmail-pagination .wm-page-status {
    flex: 0 0 auto;
    min-width: 86px;
    text-align: center;
    font-size: var(--font-size-sm);
  }

  .wm-page-label {
    display: inline;
    font-size: var(--font-size-sm);
    font-weight: 600;
  }

  .webmail-viewer {
    display: none;
    background: var(--color-bg-card);
  }

  .webmail-layout.show-viewer .webmail-list {
    display: none;
  }

  .webmail-layout.show-viewer .webmail-viewer {
    display: flex;
  }

  .webmail-viewer-header {
    padding: var(--space-md);
  }

  .webmail-viewer-subject {
    font-size: var(--font-size-base);
    line-height: 1.25;
    overflow-wrap: anywhere;
  }

  .webmail-viewer-meta-row {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .webmail-viewer-meta-row span:last-child {
    min-width: 0;
    overflow-wrap: anywhere;
  }

  .webmail-viewer-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-xs);
  }

  .webmail-viewer-actions .btn {
    width: 100%;
    min-width: 0;
    min-height: 40px;
    padding: 6px 8px !important;
    white-space: normal;
  }

  #wm-back-btn {
    grid-column: 1 / -1;
    order: -1;
  }

  .webmail-viewer-body {
    padding: var(--space-sm);
    background: var(--color-bg);
  }

  .webmail-viewer-html,
  .webmail-viewer-text {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
  }

  .webmail-viewer-text {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }

  .webmail-viewer-attachments {
    padding: var(--space-sm);
  }

  .webmail-attachment-btn {
    max-width: 100%;
    min-height: 40px;
    overflow-wrap: anywhere;
  }

  .wm-global-search-panel {
    padding: var(--space-sm) !important;
  }

  .webmail-msg-item {
    padding: var(--space-sm);
    border-bottom: 1px solid var(--color-border-light);
  }

  .webmail-settings-page {
    padding: var(--space-md);
    max-width: none;
  }

  .webmail-settings-header {
    align-items: stretch;
    flex-direction: column;
    gap: var(--space-sm);
  }

  .webmail-settings-header .btn {
    width: 100%;
  }

  .webmail-settings-page .card {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }

  .webmail-settings-page table {
    min-width: 720px;
  }
}

@media (max-width: 380px) {
  .webmail-account-select,
  #wm-refresh-btn {
    height: 48px;
  }

  .webmail-pagination .wm-page-btn {
    flex: 0 0 52px;
  }

  .wm-page-label {
    display: none;
  }

  .webmail-viewer-actions {
    grid-template-columns: 1fr;
  }
}