/* ── Postbox-Page — 3 Tabs (Eingang/Gesendet/System) + Toolbar + Thread-Modal */

/* Header: Tabs links, Toolbar rechts */
.postbox-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

/* ── Tabs ─────────────────────────────────────────────────────────────────── */
.postbox-tabs {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.postbox-tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-sub);
  padding: 0.55rem 1rem;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.postbox-tab:hover {
  background: var(--bg-3);
  color: var(--text);
}

.postbox-tab.active {
  background: var(--accent-dim);
  color: var(--accent-text);
  border-color: var(--accent);
}

.postbox-tab-badge {
  background: var(--red);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 10px;
  min-width: 1.25rem;
  text-align: center;
  line-height: 1.3;
}

/* ── Toolbar (Bug melden / Vorschlag senden) ─────────────────────────────── */
.postbox-toolbar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.postbox-toolbar button {
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.postbox-toolbar button svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ── Bulk-Aktionen (Alle als gelesen / Tab leeren) ───────────────────────── */
.postbox-bulk-actions {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.postbox-bulk-actions .btn-secondary,
.postbox-bulk-actions .btn-danger {
  font-size: 0.85rem;
}

/* ── Pagination ──────────────────────────────────────────────────────────── */
.postbox-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.postbox-pagination:empty {
  display: none;
}

.postbox-pagination .btn-secondary {
  font-size: 0.85rem;
  min-width: 100px;
}

.postbox-pagination .btn-secondary[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
}

.postbox-pagination-info {
  color: var(--text-sub);
  font-size: 0.85rem;
}

/* ── Item-Liste ──────────────────────────────────────────────────────────── */
.postbox-item {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}

.postbox-item:hover {
  background: var(--bg-3);
  border-color: var(--border-mid);
}

.postbox-item:active {
  transform: scale(0.998);
}

.postbox-item.unread {
  border-left: 3px solid var(--accent);
}

.postbox-item.unread .postbox-item-subject {
  font-weight: 700;
  color: var(--text);
}

.postbox-item-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.postbox-item-subject {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
  flex: 1 1 auto;
  min-width: 0;
}

.postbox-item-time {
  color: var(--text-sub);
  font-size: 0.85rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.postbox-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.postbox-item-kind-label {
  color: var(--text-sub);
  font-size: 0.8rem;
}

.postbox-item-preview {
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

.postbox-item-system {
  /* System-Tab-Items haben kein dickes Border-Left */
}

/* ── Counterpart-Zeile in Liste (Von/An: NAME) ──────────────────────────── */
.postbox-item-counterpart {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
}

.postbox-item-counterpart-label {
  color: var(--text-sub);
}

.postbox-item-counterpart-name {
  color: var(--text);
  font-weight: 500;
}

/* ── Avatar (Liste + Thread) ─────────────────────────────────────────────── */
.postbox-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.postbox-avatar-sm {
  width: 22px;
  height: 22px;
}

.postbox-avatar-md {
  width: 36px;
  height: 36px;
}

.postbox-avatar-fallback {
  color: var(--text-sub);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
}

/* PIXELBOT-Avatar: offizielles Pixel-Logo (das Favicon-Logo, nicht der Coin) */
.postbox-avatar-pixelbot {
  background: var(--bg-3);
  object-fit: contain;
  padding: 2px;
}

/* Thread-Bubble Author-Header */
.postbox-msg-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}

.postbox-msg-author-name {
  color: var(--text);
  font-weight: 600;
  font-size: 0.9rem;
}

/* kind als kleiner Sub-Tag rechts vom Author */
.postbox-msg-author .postbox-msg-kind {
  margin-left: auto;
  margin-bottom: 0;
}

/* ── Badges (Area + Status) ──────────────────────────────────────────────── */
.postbox-area-badge {
  background: var(--bg-4);
  color: var(--text-sub);
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
}

.postbox-status-badge {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-weight: 600;
}

.postbox-status-done {
  background: rgba(34, 197, 94, 0.18);
  color: var(--green);
}

.postbox-status-rejected {
  background: rgba(239, 68, 68, 0.18);
  color: var(--red);
}

.postbox-status-deferred {
  background: rgba(245, 158, 11, 0.18);
  color: var(--yellow);
}

/* ── Thread-Detail (Modal) ───────────────────────────────────────────────── */
.postbox-thread-header {
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.postbox-thread-messages {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  max-height: 50vh;
  overflow-y: auto;
}

.postbox-thread-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
  margin-top: 1rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
}

/* Einzelne Thread-Message */
.postbox-msg {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  max-width: 85%;
}

.postbox-msg.own {
  background: var(--accent-dim);
  border-color: var(--accent);
  align-self: flex-end;
}

.postbox-msg-kind {
  color: var(--text-sub);
  font-size: 0.75rem;
  margin-bottom: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.postbox-msg-body {
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.postbox-msg-time {
  color: var(--text-sub);
  font-size: 0.75rem;
  margin-top: 0.4rem;
  text-align: right;
}

.postbox-msg-deleted {
  background: var(--bg-2);
  border-style: dashed;
  opacity: 0.6;
}

.postbox-msg-stub {
  color: var(--text-sub);
  font-style: italic;
  font-size: 0.85rem;
}

/* ── Reply-Form ──────────────────────────────────────────────────────────── */
.postbox-reply-form {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.postbox-reply-form textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.6rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
  min-height: 80px;
}

.postbox-reply-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.postbox-reply-counter {
  color: var(--text-sub);
  font-size: 0.8rem;
  text-align: right;
}

.postbox-reply-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

/* ── Empty/Loading-State ─────────────────────────────────────────────────── */
.postbox-item .loading-hint,
#postbox-list .loading-hint {
  text-align: center;
  padding: 2rem;
  color: var(--text-sub);
}

/* ── Mobile (<680px) ─ Header stacken, Toolbar full-width, Item-Header reflow ─── */
/* RULES.md #11 — Pixel-Default-Phone-Breakpoint ist 680px (analog landing.css) */
@media (max-width: 680px) {
  .postbox-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .postbox-tabs {
    width: 100%;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.25rem;
  }

  .postbox-tab {
    flex-shrink: 0;
  }

  .postbox-toolbar {
    width: 100%;
  }

  /* Selector trifft btn-yellow/btn-green/btn-neutral (Toolbar nutzt nicht .btn-Klasse) */
  .postbox-toolbar button {
    flex: 1;
    justify-content: center;
    min-height: 44px;
    font-size: 0.85rem;
    padding: 0.6rem 0.5rem;
  }

  .postbox-item {
    padding: 0.85rem;
  }

  /* Item-Header reflow: Subject oben, Time darunter klein — sonst zu eng nebeneinander */
  .postbox-item-header {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }

  .postbox-item-time {
    font-size: 0.75rem;
  }

  .postbox-msg {
    max-width: 100%;
  }

  .postbox-thread-messages {
    max-height: 60vh;
  }

  .postbox-reply-actions .btn,
  .postbox-thread-actions .btn {
    min-height: 44px;
  }

  .postbox-bulk-actions {
    justify-content: stretch;
  }

  .postbox-bulk-actions button {
    flex: 1;
    min-height: 44px;
  }

  .postbox-pagination {
    flex-direction: column;
    gap: 0.5rem;
  }

  .postbox-pagination .btn-secondary {
    width: 100%;
    min-height: 44px;
  }
}

/* ── Sidebar-Counter (bestehend `hidden`-Klasse erweitern) ───────────────── */
#postbox-sidebar-badge {
  background: var(--red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.1rem 0.45rem;
  border-radius: 10px;
  margin-left: 0.4rem;
  min-width: 1.2rem;
  text-align: center;
  display: inline-block;
}

#postbox-sidebar-badge.hidden {
  display: none;
}

.postbox-tab-badge.hidden {
  display: none;
}

/* Pending-Delivery-Pill (Phase C — Wird zugestellt) */
.postbox-pill-pending {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  background: var(--bg-3);
  color: var(--text-sub);
  border: 1px solid var(--border-mid);
  margin-left: 8px;
}

/* Send-Message-Modal */
.postbox-send-modal {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.postbox-send-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.postbox-send-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.postbox-send-label {
  font-size: 0.85rem;
  color: var(--text-sub);
}

.postbox-send-counter {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-align: right;
}

.postbox-send-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}