/* === WP Mail - Frontend === */
:root {
  --nc-blue:         #212d45;
  --nc-blue-dark:    #111827;
  --nc-accent:       #ffc03d;
  --nc-accent-dark:  #ffae00;
  --nc-sidebar:      #f7f7f7;
  --nc-sidebar-text: #212d45;
  --nc-sidebar-muted:#4b4f58;
  --nc-sidebar-hover:#fff4d6;
  --nc-sidebar-active:#ffc03d;
  --nc-border:       rgba(0,0,0,0.09);
  --nc-pane-bg:      #ffffff;
  --nc-list-hover:   #f5f7fa;
  --nc-list-active:  #e8f4fd;
  --nc-text:         #222222;
  --nc-muted:        #666666;
  --nc-light:        #999999;
  --nc-tag-bg:       #e8f4fd;
  --nc-tag-text:     #212d45;
  --radius:          6px;
  --app-height:      640px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --nc-border:      rgba(255,255,255,0.08);
    --nc-pane-bg:     #242424;
    --nc-list-hover:  #2a2a2a;
    --nc-list-active: #1a3a50;
    --nc-text:        #e8e8e8;
    --nc-muted:       #aaaaaa;
    --nc-light:       #666666;
    --nc-tag-bg:      #1a3a50;
    --nc-tag-text:    #7ec8f5;
  }
}

/* Reset within our app */
.ncm-app *, .ncm-app *::before, .ncm-app *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* App shell */
.ncm-app {
  display: flex;
  width: 100%;
  height: var(--app-height);
  border: 1px solid var(--nc-border);
  border-radius: 8px;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 13px;
  color: var(--nc-text);
  position: relative;
  background: var(--nc-pane-bg);
}

/* ===== SIDEBAR ===== */
.ncm-sidebar {
  width: 220px;
  background: var(--nc-sidebar);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}
.ncm-sidebar-header {
  padding: 14px 10px 10px;
  border-bottom: 1px solid rgba(33,45,69,0.10);
}
.ncm-compose-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--nc-blue);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  width: 100%;
  transition: background .15s;
}
.ncm-compose-btn:hover { background: var(--nc-accent); color: var(--nc-blue-dark); }
.ncm-compose-btn i { font-size: 15px; }

.ncm-sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
}
.ncm-account-section { padding: 6px 0; }
.ncm-account-label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px 3px;
  font-size: 12px;
  font-weight: 600;
  color: var(--nc-sidebar-muted);
  letter-spacing: 0;
}
.ncm-account-label i { font-size: 13px; }
.ncm-account-label span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ncm-folder-list-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(100% - 12px);
  margin: 8px 6px 6px;
  padding: 8px 10px;
  border: 1px solid rgba(33,45,69,0.10);
  border-radius: 6px;
  background: #ffffff;
  color: var(--nc-sidebar-text);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.ncm-folder-list-toggle:hover {
  background: var(--nc-sidebar-hover);
}
.ncm-folder-all {
  padding-top: 2px;
}
.ncm-folder-row {
  display: flex;
  align-items: stretch;
  gap: 2px;
  padding-left: calc(var(--folder-depth, 0) * 14px);
  margin-right: 6px;
}
.ncm-folder-toggle,
.ncm-folder-spacer {
  width: 22px;
  min-width: 22px;
  margin-left: 6px;
}
.ncm-folder-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--nc-sidebar-muted);
  background: transparent;
  border: 0;
  border-radius: 4px;
  cursor: pointer;
}
.ncm-folder-toggle:hover { background: var(--nc-sidebar-hover); color: var(--nc-blue-dark); }
.ncm-folder-toggle i { font-size: 14px; }
.ncm-folder-children { margin: 0; }
.ncm-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  color: var(--nc-sidebar-text);
  cursor: pointer;
  border-radius: 4px;
  margin: 0 0 1px;
  transition: background .1s;
  font-size: 13px;
  user-select: none;
  border: 0;
  width: 100%;
  text-align: left;
  background: transparent;
}
.ncm-nav-item:hover  { background: var(--nc-sidebar-hover); }
.ncm-nav-item.active { background: var(--nc-sidebar-active); color: var(--nc-blue-dark); font-weight: 700; }
.ncm-nav-item.disabled {
  cursor: default;
  color: var(--nc-sidebar-muted);
}
.ncm-nav-item.disabled:hover { background: transparent; }
.ncm-nav-item i { font-size: 15px; flex-shrink: 0; opacity: .85; }
.ncm-folder-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ncm-nav-badge {
  margin-left: auto;
  background: var(--nc-blue);
  color: #fff;
  border-radius: 10px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}
.ncm-nav-divider {
  height: 1px;
  background: rgba(33,45,69,0.10);
  margin: 5px 12px;
}
.ncm-sidebar-footer {
  padding: 8px 6px;
  border-top: 1px solid rgba(33,45,69,0.10);
}
.ncm-sidebar-footer .ncm-nav-item {
  font-size: 12px;
  color: var(--nc-sidebar-muted);
}
.ncm-loading-sidebar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px;
  color: var(--nc-sidebar-muted);
  font-size: 13px;
}

/* ===== LIST PANE ===== */
.ncm-list-pane {
  width: 290px;
  background: var(--nc-pane-bg);
  border-right: 1px solid var(--nc-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}
.ncm-list-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px 8px;
  border-bottom: 1px solid var(--nc-border);
}
.ncm-list-title {
  font-size: 14px;
  font-weight: 600;
  flex: 1;
  color: var(--nc-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ncm-danger-icon-btn {
  color: #b91c1c;
}
.ncm-danger-icon-btn:hover {
  background: #fee2e2;
  color: #991b1b;
}
.ncm-icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--nc-muted);
  border-radius: 4px;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .1s;
  line-height: 1;
}
.ncm-icon-btn:hover { background: var(--nc-list-hover); color: var(--nc-text); }
.ncm-icon-btn i { font-size: 17px; }

.ncm-search-bar {
  padding: 7px 10px;
  border-bottom: 1px solid var(--nc-border);
}
.ncm-search-wrap { position: relative; }
.ncm-search-wrap i {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--nc-light);
  font-size: 14px;
  pointer-events: none;
}
.ncm-search-input {
  width: 100%;
  background: var(--nc-list-hover);
  border: 1px solid var(--nc-border);
  border-radius: var(--radius);
  padding: 5px 8px 5px 28px;
  font-size: 12px;
  color: var(--nc-text);
  outline: none;
}
.ncm-search-input:focus {
  border-color: var(--nc-blue);
  box-shadow: 0 0 0 2px rgba(0,130,201,.14);
}

.ncm-filter-bar {
  display: flex;
  gap: 4px;
  padding: 5px 10px;
  border-bottom: 1px solid var(--nc-border);
}
.ncm-filter-chip {
  border: 1px solid var(--nc-border);
  background: none;
  border-radius: 12px;
  padding: 2px 9px;
  font-size: 11px;
  cursor: pointer;
  color: var(--nc-muted);
  white-space: nowrap;
  transition: all .1s;
}
.ncm-filter-chip.active {
  background: var(--nc-blue);
  border-color: var(--nc-blue);
  color: #fff;
}

.ncm-msg-list { flex: 1; overflow-y: auto; }
.ncm-msg-item {
  display: flex;
  gap: 9px;
  padding: 9px 10px;
  cursor: pointer;
  border-bottom: 1px solid var(--nc-border);
  transition: background .1s;
}
.ncm-msg-item:hover  { background: var(--nc-list-hover); }
.ncm-msg-item.active { background: var(--nc-list-active); }
.ncm-msg-item.unread .ncm-msg-sender  { font-weight: 600; }
.ncm-msg-item.unread .ncm-msg-subject { font-weight: 500; }
.ncm-unread-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--nc-blue);
  flex-shrink: 0;
  margin-top: 15px;
  opacity: 0;
}
.ncm-msg-item.unread .ncm-unread-dot { opacity: 1; }
.ncm-msg-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}
.ncm-msg-content { flex: 1; min-width: 0; }
.ncm-msg-row1 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 1px;
}
.ncm-msg-sender {
  font-size: 12px;
  color: var(--nc-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.ncm-msg-time { font-size: 10px; color: var(--nc-light); flex-shrink: 0; }
.ncm-msg-subject {
  font-size: 12px;
  color: var(--nc-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 1px;
}
.ncm-msg-preview {
  font-size: 11px;
  color: var(--nc-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ncm-list-placeholder, .ncm-list-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
  color: var(--nc-muted);
  gap: 8px;
  font-size: 13px;
}
.ncm-list-placeholder i, .ncm-list-empty i { font-size: 36px; opacity: .3; }

.ncm-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px;
  border-top: 1px solid var(--nc-border);
  font-size: 12px;
  color: var(--nc-muted);
}

/* ===== READ PANE ===== */
.ncm-read-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--nc-pane-bg);
}
.ncm-read-toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--nc-border);
  flex-shrink: 0;
}
.ncm-toolbar-sep {
  width: 1px;
  height: 18px;
  background: var(--nc-border);
  margin: 0 3px;
}
.ncm-move-select {
  border: 1px solid var(--nc-border);
  background: var(--nc-pane-bg);
  color: var(--nc-muted);
  border-radius: var(--radius);
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
  outline: none;
}

#readContent {
  flex: 1;
  overflow-y: auto;
}
.ncm-read-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--nc-muted);
  gap: 10px;
}
.ncm-read-placeholder i { font-size: 52px; opacity: .15; }
.ncm-read-placeholder p { font-size: 14px; opacity: .5; }

.ncm-read-scroll { padding: 20px 28px; }
.ncm-thread-subject {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  line-height: 1.4;
  color: var(--nc-text);
}
.ncm-envelope {
  border: 1px solid var(--nc-border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  overflow: hidden;
}
.ncm-env-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--nc-pane-bg);
}
.ncm-env-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}
.ncm-env-meta { flex: 1; min-width: 0; }
.ncm-env-from { font-size: 13px; font-weight: 500; color: var(--nc-text); }
.ncm-env-to   { font-size: 11px; color: var(--nc-muted); margin-top: 1px; }
.ncm-env-time { font-size: 11px; color: var(--nc-light); white-space: nowrap; }
.ncm-env-body {
  padding: 14px 18px;
  border-top: 1px solid var(--nc-border);
  font-size: 14px;
  line-height: 1.7;
  color: var(--nc-text);
  overflow-x: auto;
}
.ncm-env-body p { margin-bottom: 10px; }
.ncm-env-body p:last-child { margin-bottom: 0; }
.ncm-env-body a { color: var(--nc-blue); }
.ncm-attachment-bar {
  display: flex;
  gap: 7px;
  padding: 8px 14px;
  border-top: 1px solid var(--nc-border);
  flex-wrap: wrap;
}
.ncm-attachment {
  display: flex;
  align-items: center;
  gap: 5px;
  border: 1px solid var(--nc-border);
  border-radius: var(--radius);
  padding: 4px 9px;
  font-size: 11px;
  color: var(--nc-muted);
  background: var(--nc-pane-bg);
}
.ncm-attachment i { font-size: 14px; }

/* ===== COMPOSE ===== */
.ncm-compose-overlay {
  position: absolute;
  bottom: 14px;
  right: 18px;
  width: 520px;
  background: var(--nc-pane-bg);
  border: 1px solid var(--nc-border);
  border-radius: var(--radius);
  box-shadow: 0 8px 30px rgba(0,0,0,.18);
  display: flex;
  flex-direction: column;
  z-index: 50;
  max-height: 80%;
}
.ncm-compose-titlebar {
  display: flex;
  align-items: center;
  padding: 9px 12px;
  background: var(--nc-blue);
  border-radius: 6px 6px 0 0;
}
.ncm-compose-titlebar span { color: #fff; font-size: 13px; font-weight: 500; flex: 1; }
.ncm-compose-titlebar .ncm-icon-btn { color: rgba(255,255,255,.75); }
.ncm-compose-titlebar .ncm-icon-btn:hover { background: rgba(255,255,255,.15); color: #fff; }
.ncm-compose-field {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--nc-border);
}
.ncm-compose-label {
  padding: 7px 10px;
  font-size: 11px;
  color: var(--nc-muted);
  width: 54px;
  flex-shrink: 0;
}
.ncm-compose-input, .ncm-compose-from {
  flex: 1;
  border: none;
  padding: 7px 4px;
  font-size: 13px;
  background: transparent;
  color: var(--nc-text);
  outline: none;
  font-family: inherit;
}
.ncm-compose-from { cursor: pointer; }
.ncm-compose-body {
  flex: 1;
  padding: 10px 12px;
  font-size: 13px;
  border: none;
  resize: none;
  background: transparent;
  color: var(--nc-text);
  outline: none;
  min-height: 160px;
  font-family: inherit;
  line-height: 1.6;
}
.ncm-compose-footer {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-top: 1px solid var(--nc-border);
}

/* ===== BUTTONS ===== */
.ncm-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--nc-border);
  background: none;
  border-radius: var(--radius);
  padding: 6px 13px;
  font-size: 12px;
  cursor: pointer;
  color: var(--nc-text);
  transition: all .1s;
  font-family: inherit;
  line-height: 1;
}
.ncm-btn:hover { background: var(--nc-list-hover); }
.ncm-btn-primary {
  background: var(--nc-blue) !important;
  border-color: var(--nc-blue) !important;
  color: #fff !important;
}
.ncm-btn-primary:hover { background: var(--nc-blue-dark) !important; }
.ncm-btn-sm { padding: 4px 8px; font-size: 11px; }
.ncm-btn i { font-size: 14px; }

/* ===== TOAST ===== */
.ncm-toast {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #333;
  color: #fff;
  padding: 7px 16px;
  border-radius: var(--radius);
  font-size: 12px;
  opacity: 0;
  transition: all .25s;
  pointer-events: none;
  z-index: 100;
  white-space: nowrap;
}
.ncm-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== SPINNER ===== */
.ncm-spin { animation: ncm-spin 1s linear infinite; display: inline-block; }
@keyframes ncm-spin { to { transform: rotate(360deg); } }

/* ===== LOADING ===== */
.ncm-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 120px;
  color: var(--nc-muted);
  font-size: 13px;
}
.ncm-loading i { font-size: 20px; }

/* Login notice */
.ncm-login-notice {
  padding: 20px;
  text-align: center;
  background: #fff9e6;
  border: 1px solid #ffe58f;
  border-radius: 6px;
  font-size: 14px;
}
.ncm-login-notice a { color: var(--nc-blue); }

/* Scrollbars */
.ncm-sidebar-body::-webkit-scrollbar,
.ncm-msg-list::-webkit-scrollbar,
#readContent::-webkit-scrollbar { width: 4px; }
.ncm-sidebar-body::-webkit-scrollbar-track,
.ncm-msg-list::-webkit-scrollbar-track,
#readContent::-webkit-scrollbar-track { background: transparent; }
.ncm-sidebar-body::-webkit-scrollbar-thumb,
.ncm-msg-list::-webkit-scrollbar-thumb,
#readContent::-webkit-scrollbar-thumb { background: rgba(128,128,128,.3); border-radius: 4px; }