/* =========================================================
   Mail app — css/apps/mail.css
   All selectors scoped under .app-mail.
   Uses shell CSS custom properties for dark-mode adaptation.
   ========================================================= */

/* ── Root layout: three-column flex ────────────────────────────────────────── */
.app-mail .mail-root {
  display: flex;
  height: 100%;
  background: var(--win-bg);
  color: var(--win-fg);
  overflow: hidden;
  font-size: 13px;
}

/* ── Sidebar ────────────────────────────────────────────────────────────────── */
.app-mail .mail-sidebar {
  display: flex;
  flex-direction: column;
  width: 190px;
  flex: 0 0 190px;
  background: var(--sidebar-bg);
  border-right: 0.5px solid var(--sidebar-border);
  padding: 10px 8px 12px;
  overflow-y: auto;
  gap: 2px;
}

.app-mail .mail-sidebar-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--win-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 6px 8px 4px;
  flex: 0 0 auto;
}

.app-mail .mail-mb-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 7px;
  color: var(--sidebar-fg);
  cursor: default;
  flex: 0 0 auto;
  transition: background 0.12s ease;
}

.app-mail .mail-mb-row:hover {
  background: var(--win-hover);
}

.app-mail .mail-mb-row.active {
  background: var(--accent);
  color: #fff;
}

.app-mail .mail-mb-icon {
  width: 20px;
  text-align: center;
  font-size: 14px;
  flex: 0 0 auto;
}

.app-mail .mail-mb-label {
  flex: 1;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-mail .mail-mb-badge {
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 0 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.app-mail .mail-mb-row.active .mail-mb-badge {
  background: rgba(255,255,255,0.3);
  color: #fff;
}

.app-mail .mail-compose-btn {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: default;
  transition: background 0.12s ease, opacity 0.12s ease;
  flex: 0 0 auto;
}

.app-mail .mail-compose-btn:hover {
  background: var(--accent-light);
}

.app-mail .mail-compose-btn:active {
  opacity: 0.8;
}

/* ── Message list pane ──────────────────────────────────────────────────────── */
.app-mail .mail-list-pane {
  display: flex;
  flex-direction: column;
  width: 260px;
  flex: 0 0 260px;
  border-right: 0.5px solid var(--win-border);
  background: var(--win-bg);
  overflow: hidden;
}

.app-mail .mail-list-header {
  padding: 10px 14px 8px;
  border-bottom: 0.5px solid var(--win-border);
  background: var(--win-bg);
  flex: 0 0 auto;
}

.app-mail .mail-list-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--win-fg);
}

.app-mail .mail-list-scroll {
  flex: 1;
  overflow-y: auto;
}

/* Message items */
.app-mail .mail-msg-item {
  position: relative;
  padding: 10px 12px 10px 20px;
  border-bottom: 0.5px solid var(--win-border);
  cursor: default;
  transition: background 0.1s ease;
}

.app-mail .mail-msg-item:hover {
  background: var(--win-hover);
}

.app-mail .mail-msg-item.selected {
  background: var(--accent);
  color: #fff;
}

/* Unread dot */
.app-mail .mail-unread-dot {
  position: absolute;
  left: 7px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: none;
}

.app-mail .mail-msg-item.unread .mail-unread-dot {
  display: block;
}

.app-mail .mail-msg-item.selected .mail-unread-dot {
  background: rgba(255,255,255,0.7);
}

.app-mail .mail-msg-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2px;
}

.app-mail .mail-msg-from {
  font-weight: 600;
  font-size: 13px;
  color: var(--win-fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
}

.app-mail .mail-msg-item.selected .mail-msg-from,
.app-mail .mail-msg-item.selected .mail-msg-subj,
.app-mail .mail-msg-item.selected .mail-msg-snippet,
.app-mail .mail-msg-item.selected .mail-msg-date {
  color: #fff;
}

.app-mail .mail-msg-item.unread .mail-msg-from {
  font-weight: 700;
}

.app-mail .mail-msg-date {
  font-size: 11px;
  color: var(--win-muted);
  white-space: nowrap;
  margin-left: 6px;
  flex: 0 0 auto;
}

.app-mail .mail-msg-subj {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--win-fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.app-mail .mail-msg-item.unread .mail-msg-subj {
  font-weight: 600;
}

.app-mail .mail-msg-snippet {
  font-size: 11.5px;
  color: var(--win-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-mail .mail-list-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--win-muted);
  font-size: 13px;
}

/* ── Reading pane ───────────────────────────────────────────────────────────── */
.app-mail .mail-read-pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--win-bg);
  min-width: 0;
}

/* Empty state */
.app-mail .mail-read-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--win-muted);
  font-size: 13px;
}

.app-mail .mail-read-empty-icon {
  font-size: 48px;
  display: block;
  opacity: 0.5;
}

/* Message header */
.app-mail .mail-read-header {
  padding: 16px 20px 12px;
  flex: 0 0 auto;
  border-bottom: 0.5px solid var(--win-border);
}

.app-mail .mail-read-subject {
  font-size: 17px;
  font-weight: 700;
  color: var(--win-fg);
  margin-bottom: 12px;
  line-height: 1.3;
}

.app-mail .mail-read-meta {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.app-mail .mail-read-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  flex: 0 0 auto;
}

.app-mail .mail-read-meta-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.app-mail .mail-read-from {
  font-size: 13px;
  color: var(--win-fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-mail .mail-read-email {
  color: var(--win-muted);
  font-size: 12px;
}

.app-mail .mail-read-to {
  font-size: 12px;
  color: var(--win-muted);
}

.app-mail .mail-read-dateline {
  font-size: 12px;
  color: var(--win-muted);
}

/* Action buttons */
.app-mail .mail-read-actions {
  display: flex;
  gap: 8px;
}

.app-mail .mail-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 13px;
  border-radius: 7px;
  background: var(--control-bg);
  color: var(--win-fg);
  font-size: 12.5px;
  font-weight: 500;
  cursor: default;
  transition: background 0.12s ease;
  border: 0.5px solid var(--win-border);
}

.app-mail .mail-action-btn:hover {
  background: var(--win-hover);
  filter: brightness(0.92);
}

.app-mail .mail-action-btn.danger {
  color: #ff3b30;
}

.app-mail .mail-action-btn.danger:hover {
  background: rgba(255, 59, 48, 0.1);
}

/* Divider between header and body */
.app-mail .mail-read-divider {
  height: 0.5px;
  background: var(--win-border);
  flex: 0 0 auto;
}

/* Message body */
.app-mail .mail-read-body {
  flex: 1;
  padding: 20px 24px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.65;
  color: var(--win-fg);
}

.app-mail .mail-read-body p {
  margin-bottom: 10px;
}

.app-mail .mail-read-body h1,
.app-mail .mail-read-body h2,
.app-mail .mail-read-body h3 {
  color: var(--win-fg);
  margin-bottom: 8px;
}

.app-mail .mail-read-body a {
  color: var(--accent);
  text-decoration: none;
}

.app-mail .mail-read-body code {
  font-family: var(--font-mono);
  font-size: 12.5px;
  background: var(--card-bg);
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--win-fg);
}

.app-mail .mail-read-body strong {
  font-weight: 600;
  color: var(--win-fg);
}

/* ── Compose modal ──────────────────────────────────────────────────────────── */
.app-mail .mail-compose-modal {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 16px;
  pointer-events: none;
  z-index: 100;
}

.app-mail .mail-compose-inner {
  display: flex;
  flex-direction: column;
  width: 460px;
  max-width: calc(100% - 32px);
  max-height: calc(100% - 32px);
  background: var(--win-bg);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.38), 0 6px 20px rgba(0,0,0,0.22);
  border: 0.5px solid var(--win-border);
  pointer-events: all;
  overflow: hidden;
  animation: mail-compose-in 0.22s var(--ease-spring);
}

@keyframes mail-compose-in {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Compose title bar */
.app-mail .mail-compose-titlebar {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 10px 14px;
  background: var(--card-bg);
  border-bottom: 0.5px solid var(--win-border);
  flex: 0 0 auto;
}

.app-mail .mail-compose-title {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--win-fg);
}

.app-mail .mail-compose-close {
  position: absolute;
  left: 12px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #ff5f57;
  color: rgba(0,0,0,0.6);
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: default;
  opacity: 0.85;
  transition: opacity 0.12s ease;
}

.app-mail .mail-compose-close:hover {
  opacity: 1;
}

/* Compose input rows */
.app-mail .mail-compose-row {
  display: flex;
  align-items: center;
  border-bottom: 0.5px solid var(--win-border);
  padding: 0 14px;
  flex: 0 0 auto;
}

.app-mail .mail-compose-label {
  width: 58px;
  font-size: 12.5px;
  color: var(--win-muted);
  flex: 0 0 auto;
  font-weight: 500;
}

.app-mail .mail-compose-input {
  flex: 1;
  height: 36px;
  font-size: 13px;
  color: var(--win-fg);
  background: transparent;
  outline: none;
  border: none;
  caret-color: var(--accent);
}

.app-mail .mail-compose-input::placeholder {
  color: var(--win-muted);
  opacity: 0.7;
}

/* Compose body textarea */
.app-mail .mail-compose-body {
  flex: 1;
  min-height: 180px;
  max-height: 320px;
  resize: vertical;
  padding: 12px 14px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--win-fg);
  background: var(--win-bg);
  border: none;
  outline: none;
  font-family: var(--font-system);
  caret-color: var(--accent);
}

.app-mail .mail-compose-body::placeholder {
  color: var(--win-muted);
  opacity: 0.6;
}

/* Compose footer */
.app-mail .mail-compose-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 14px;
  border-top: 0.5px solid var(--win-border);
  background: var(--card-bg);
  flex: 0 0 auto;
}

.app-mail .mail-compose-discard,
.app-mail .mail-compose-draft {
  padding: 6px 14px;
  border-radius: 7px;
  background: var(--control-bg);
  color: var(--win-fg);
  font-size: 12.5px;
  font-weight: 500;
  cursor: default;
  border: 0.5px solid var(--win-border);
  transition: background 0.12s ease;
}

.app-mail .mail-compose-discard:hover,
.app-mail .mail-compose-draft:hover {
  background: var(--win-hover);
}

.app-mail .mail-compose-discard {
  color: #ff3b30;
}

.app-mail .mail-compose-send {
  padding: 6px 18px;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: 12.5px;
  font-weight: 600;
  cursor: default;
  transition: background 0.12s ease;
}

.app-mail .mail-compose-send:hover {
  background: var(--accent-light);
}

.app-mail .mail-compose-send:active {
  opacity: 0.85;
}