/* FileShot Receive Inbox — Concept 5 email-style app shell */

:root {
  --inbox-nav-offset: 68px;
  --inbox-col-sidebar: 248px;
  --inbox-col-folders: var(--inbox-col-sidebar);
  --inbox-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --inbox-dur: 0.28s;
}

body.inbox-page {
  background: var(--bg);
}

.inbox-app {
  display: flex;
  flex-direction: column;
  min-height: calc(100dvh - var(--inbox-nav-offset));
  margin-top: var(--inbox-nav-offset);
  background: var(--bg);
  position: relative;
}

/* Inbox theme presets */
.inbox-app[data-inbox-theme="midnight"] {
  --bg2: #080a10;
  --sur: rgba(255, 255, 255, 0.06);
  --bdr: rgba(255, 255, 255, 0.1);
}

.inbox-app-inner {
  display: flex;
  flex: 1;
  min-height: 0;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 12px 12px 0;
  gap: 12px;
  box-sizing: border-box;
}

/* —— Folders (inbox list) —— */
.inbox-folders {
  width: var(--inbox-col-folders);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--sur, rgba(255, 255, 255, 0.04));
  border: 1px solid var(--bdr);
  border-radius: var(--r16, 16px);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
}

.inbox-folders-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid var(--bdr);
  background: rgba(255, 255, 255, 0.02);
}

.inbox-folders-hd h1 {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t2);
  flex: 1;
}

.inbox-folders-hd-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.inbox-folders-close {
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--bdr);
  border-radius: var(--r8);
  background: rgba(0, 0, 0, 0.2);
  color: var(--t1);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--inbox-dur) var(--inbox-ease), transform 0.12s;
}

.inbox-folders-close:active {
  transform: scale(0.94);
}

.inbox-create-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  background: var(--ah, #fa6a2a);
  color: #fff;
  border: none;
  border-radius: var(--r99, 999px);
  font-weight: 700;
  font-size: 0.75rem;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  box-shadow: 0 2px 8px rgba(250, 106, 42, 0.3);
}

.inbox-create-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(250, 106, 42, 0.4);
}

.inbox-create-btn:active,
.inbox-chip:active,
.inbox-mobile-folders:active,
.inbox-mobile-back:active,
.inbox-settings-chip:active {
  transform: scale(0.94);
}

.inbox-folders-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.inbox-folder-item {
  padding: 10px 12px;
  border-radius: var(--r12, 12px);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  margin-bottom: 2px;
}

.inbox-folder-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--bdr);
}

.inbox-folder-item.active {
  background: rgba(250, 106, 42, 0.12);
  border-color: rgba(250, 106, 42, 0.35);
}

.inbox-folder-item .if-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inbox-folder-item .if-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: 0.72rem;
  color: var(--t2);
}

.inbox-badge {
  font-size: 0.6rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--r99);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.inbox-badge.active {
  background: rgba(76, 175, 80, 0.18);
  color: #4ade80;
}

.inbox-badge.paused {
  background: rgba(136, 136, 136, 0.15);
  color: var(--t3);
}

/* —— Main panel (center: list + reading) —— */
.inbox-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--sur, rgba(255, 255, 255, 0.04));
  border: 1px solid var(--bdr);
  border-radius: var(--r16, 16px);
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
}

.inbox-main-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 16px;
  min-height: 52px;
  border-bottom: 1px solid var(--bdr);
  background: rgba(255, 255, 255, 0.02);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.inbox-main-hd-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1 1 140px;
}

.inbox-main-hd h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inbox-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1 1 auto;
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: 100%;
  min-width: 0;
}

.inbox-chip {
  font-size: 0.72rem;
  padding: 5px 10px;
  border-radius: var(--r8);
  border: 1px solid var(--bdr);
  background: rgba(0, 0, 0, 0.2);
  color: var(--t1);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  white-space: nowrap;
}

.inbox-chip:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--bdr2, var(--bdr));
}

.inbox-chip.accent {
  border-color: rgba(250, 106, 42, 0.4);
  color: var(--ah);
  background: rgba(250, 106, 42, 0.08);
}

.inbox-chip.danger {
  border-color: rgba(244, 67, 54, 0.35);
  color: #f44336;
  background: rgba(244, 67, 54, 0.08);
}

.inbox-main-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.inbox-list-pane {
  flex: 0 0 38%;
  max-width: 420px;
  min-width: 260px;
  border-right: 1px solid var(--bdr);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.inbox-messages-body {
  flex: 1;
  overflow-y: auto;
  min-height: 0;
}

.inbox-msg-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--bdr);
  cursor: pointer;
  transition: background 0.1s;
}

.inbox-msg-row:hover {
  background: rgba(255, 255, 255, 0.04);
}

.inbox-msg-row.active {
  background: rgba(250, 106, 42, 0.08);
  border-left: 3px solid var(--ah);
  padding-left: 13px;
}

.inbox-msg-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, rgba(250, 106, 42, 0.9), rgba(247, 150, 58, 0.85));
}

.inbox-msg-avatar.file-icon {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ah);
  font-size: 0.65rem;
  font-weight: 600;
}

.inbox-msg-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--r8);
  object-fit: cover;
  flex-shrink: 0;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--bdr);
  opacity: 0;
  transition: opacity var(--inbox-dur) var(--inbox-ease);
}

.inbox-msg-thumb.loaded {
  opacity: 1;
}

.inbox-density-compact .inbox-msg-row {
  padding: 8px 12px;
}

.inbox-density-compact .inbox-msg-avatar,
.inbox-density-compact .inbox-msg-thumb {
  width: 30px;
  height: 30px;
}

.inbox-density-compact .inbox-msg-subject,
.inbox-density-compact .inbox-msg-snippet {
  font-size: 0.72rem;
}

.inbox-msg-main {
  flex: 1;
  min-width: 0;
}

.inbox-msg-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 2px;
}

.inbox-msg-sender {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inbox-msg-date {
  font-size: 0.7rem;
  color: var(--t3);
  white-space: nowrap;
  flex-shrink: 0;
}

.inbox-msg-subject {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--t1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.inbox-msg-snippet {
  font-size: 0.76rem;
  color: var(--t2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.inbox-msg-meta {
  font-size: 0.68rem;
  color: var(--t3);
  margin-top: 3px;
}

.inbox-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--t2);
}

.inbox-empty svg {
  margin-bottom: 1rem;
  opacity: 0.35;
}

.inbox-empty h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  color: var(--t1);
  font-weight: 600;
}

.inbox-empty p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.6;
  max-width: 320px;
  margin-left: auto;
  margin-right: auto;
}

/* —— Reading pane (inside main) —— */
.inbox-reading-pane {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.08);
}

.inbox-detail-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  padding-bottom: 72px;
}

.inbox-detail-row {
  margin-bottom: 14px;
}

.inbox-detail-row label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--t3);
  margin-bottom: 4px;
}

.inbox-detail-row .val {
  font-size: 0.85rem;
  color: var(--t1);
  line-height: 1.5;
  word-break: break-word;
}

.inbox-detail-note {
  padding: 12px;
  border-radius: var(--r12);
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--bdr);
  font-size: 0.85rem;
  color: var(--t2);
  line-height: 1.55;
  font-style: italic;
}

.inbox-detail-link {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.inbox-detail-link code {
  flex: 1;
  min-width: 0;
  font-size: 0.72rem;
  padding: 6px 10px;
  border-radius: var(--r8);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--bdr);
  color: var(--t2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.inbox-detail-ft {
  padding: 12px 16px;
  border-top: 1px solid var(--bdr);
  flex-shrink: 0;
  display: flex;
  justify-content: flex-start;
  gap: 8px;
}

.inbox-detail-ft .inbox-download-btn {
  width: auto;
  min-width: 160px;
  align-self: flex-start;
}

.inbox-detail-preview {
  margin-bottom: 16px;
  border-radius: var(--r12);
  overflow: hidden;
  border: 1px solid var(--bdr);
  background: rgba(0, 0, 0, 0.2);
}

.inbox-detail-preview img,
.inbox-detail-preview video {
  display: block;
  width: 100%;
  max-height: min(50vh, 360px);
  object-fit: contain;
  opacity: 0;
  transition: opacity var(--inbox-dur) var(--inbox-ease);
}

.inbox-detail-preview img.loaded,
.inbox-detail-preview video.loaded {
  opacity: 1;
}

.inbox-detail-preview audio {
  display: block;
  width: 100%;
  padding: 12px;
  box-sizing: border-box;
}

.inbox-detail-preview iframe {
  display: block;
  width: 100%;
  height: min(50vh, 360px);
  border: none;
  background: #fff;
}

.inbox-detail-preview-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
  color: var(--t2);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.inbox-settings-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 8px;
}

.inbox-settings-chip svg {
  display: block;
}

.inbox-detail-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 2rem;
  text-align: center;
  color: var(--t2);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Mobile toggles */
.inbox-mobile-back,
.inbox-mobile-folders {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--bdr);
  border-radius: var(--r8);
  background: rgba(0, 0, 0, 0.2);
  color: var(--t1);
  cursor: pointer;
  flex-shrink: 0;
}

.inbox-mobile-back svg,
.inbox-mobile-folders svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* Folders scrim (mobile) */
.inbox-folders-scrim {
  position: fixed;
  inset: 0;
  z-index: 2400;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--inbox-dur) var(--inbox-ease);
}

.inbox-folders-scrim.visible {
  opacity: 1;
  pointer-events: auto;
}

/* Settings panel */
.inbox-settings-backdrop {
  position: fixed;
  inset: 0;
  z-index: 3200;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--inbox-dur) var(--inbox-ease);
}

.inbox-settings-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

.inbox-settings-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(360px, 92vw);
  z-index: 3300;
  background: var(--bg2);
  border-left: 1px solid var(--bdr);
  box-shadow: -12px 0 48px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--inbox-dur) var(--inbox-ease);
  pointer-events: none;
}

.inbox-settings-panel.open {
  transform: translateX(0);
  pointer-events: auto;
}

.inbox-settings-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--bdr);
  flex-shrink: 0;
}

.inbox-settings-hd h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--t1);
}

.inbox-settings-close {
  width: 32px;
  height: 32px;
  border: 1px solid var(--bdr);
  border-radius: var(--r8);
  background: transparent;
  color: var(--t1);
  font-size: 1.25rem;
  cursor: pointer;
  transition: transform 0.12s, background var(--inbox-dur);
}

.inbox-settings-close:active {
  transform: scale(0.94);
}

.inbox-settings-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px 24px;
}

.inbox-settings-section {
  margin-bottom: 1.5rem;
}

.inbox-settings-section h3 {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--t3);
}

.inbox-settings-label {
  display: block;
  font-size: 0.78rem;
  color: var(--t2);
  margin-bottom: 6px;
}

.inbox-settings-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.inbox-settings-seg-btn {
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--bdr);
  border-radius: var(--r99);
  background: rgba(0, 0, 0, 0.15);
  color: var(--t2);
  cursor: pointer;
  transition: background var(--inbox-dur), border-color var(--inbox-dur), color var(--inbox-dur), transform 0.12s;
}

.inbox-settings-seg-btn.active {
  background: rgba(250, 106, 42, 0.15);
  border-color: rgba(250, 106, 42, 0.4);
  color: var(--ah);
}

.inbox-settings-seg-btn:active {
  transform: scale(0.96);
}

.inbox-settings-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--t1);
  margin-bottom: 12px;
  cursor: pointer;
}

.inbox-settings-field {
  margin-bottom: 12px;
}

.inbox-settings-field label {
  display: block;
  font-size: 0.78rem;
  color: var(--t2);
  margin-bottom: 4px;
}

.inbox-settings-field select {
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--r8);
  border: 1px solid var(--bdr);
  background: var(--bg);
  color: var(--t1);
  font-size: 0.82rem;
}

.inbox-settings-hint {
  font-size: 0.8rem;
  color: var(--t2);
  margin: 0;
}

/* Modal */
.inbox-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(6px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--inbox-dur) var(--inbox-ease);
}

.inbox-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.inbox-modal {
  background: var(--bg2);
  border: 1px solid var(--bdr);
  border-radius: var(--r16);
  padding: 1.5rem;
  width: 100%;
  max-width: 460px;
  margin: 1rem;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.65);
  transform: translateY(8px) scale(0.98);
  transition: transform var(--inbox-dur) var(--inbox-ease);
}

.inbox-modal-overlay.open .inbox-modal {
  transform: translateY(0) scale(1);
}

.inbox-modal h3 {
  margin: 0 0 1.25rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--t1);
}

.inbox-modal .im-field {
  margin-bottom: 1rem;
}

.inbox-modal .im-field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--t1);
}

.inbox-modal .im-field input,
.inbox-modal .im-field select {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border-radius: var(--r8);
  border: 1px solid var(--bdr);
  background: var(--bg2);
  color: var(--t1);
  box-sizing: border-box;
  font-family: inherit;
  font-size: 0.85rem;
}

.inbox-modal .im-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.inbox-modal .im-row .im-field {
  flex: 1;
  min-width: 140px;
}

.inbox-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--bdr);
}

/* Locked overlay */
.inbox-locked-overlay {
  position: fixed;
  top: var(--inbox-nav-offset, 68px);
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 4000;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--inbox-dur) var(--inbox-ease);
}

.inbox-locked-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.inbox-locked-overlay.behind-auth {
  visibility: hidden;
  pointer-events: none;
}

#authModal.modal {
  z-index: 5000;
}

.inbox-locked {
  background: var(--sur);
  border: 1px solid var(--bdr);
  border-radius: var(--r16);
  padding: 2.5rem;
  text-align: center;
  max-width: 400px;
  margin: 1rem;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
}

.inbox-locked h3 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
}

.inbox-locked p {
  margin: 0 0 1.5rem;
  color: var(--t2);
  font-size: 0.9rem;
  line-height: 1.6;
}

.inbox-locked .btn {
  display: inline-flex;
  width: 100%;
  max-width: 280px;
  min-height: 44px;
  padding: 10px 22px;
  font-size: 0.88rem;
  box-sizing: border-box;
}

.inbox-locked-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

/* Toast */
.inbox-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--sur);
  border: 1px solid var(--bdr);
  color: var(--t1);
  padding: 10px 18px;
  border-radius: var(--r99);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  z-index: 5000;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.inbox-toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.inbox-seo-foot {
  max-width: 920px;
  margin: 1.5rem auto 2rem;
  padding: 0 20px;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--t2);
}

.inbox-seo-foot a {
  color: var(--ah);
}

@media (max-width: 1200px) {
  :root {
    --inbox-col-sidebar: 210px;
    --inbox-col-folders: 210px;
  }

  .inbox-list-pane {
    flex: 0 0 34%;
    min-width: 220px;
    max-width: 360px;
  }
}

@media (max-width: 900px) {
  .inbox-app-inner {
    padding: 8px;
    gap: 0;
    position: relative;
    min-height: 0;
  }

  .inbox-list-pane,
  .inbox-reading-pane {
    transition: opacity 0.26s var(--inbox-ease), transform 0.26s var(--inbox-ease);
  }

  .inbox-main-body {
    position: relative;
    flex-direction: column;
  }

  .inbox-list-pane {
    flex: 1 1 auto;
    max-width: none;
    min-width: 0;
    width: 100%;
    border-right: none;
    opacity: 1;
    transform: translateX(0);
  }

  .inbox-reading-pane {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateX(12px);
    pointer-events: none;
    z-index: 2;
    background: var(--bg2);
  }

  .inbox-app-inner.show-detail .inbox-list-pane {
    opacity: 0;
    transform: translateX(-12px);
    pointer-events: none;
  }

  .inbox-app-inner.show-detail .inbox-reading-pane {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
  }

  .inbox-mobile-back {
    display: inline-flex;
  }

  .inbox-folders {
    display: flex;
    position: fixed;
    top: 60px;
    left: 8px;
    bottom: 8px;
    width: min(300px, calc(100vw - 16px));
    max-width: none;
    flex: none;
    z-index: 2500;
    background: var(--bg2);
    transform: translateX(calc(-100% - 16px));
    transition: transform var(--inbox-dur) var(--inbox-ease);
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.45);
    pointer-events: none;
  }

  .inbox-app-inner.folders-open .inbox-folders {
    transform: translateX(0);
    pointer-events: auto;
  }

  .inbox-folders-close {
    display: inline-flex;
  }

  .inbox-folders-hd {
    background: var(--bg2);
  }

  .inbox-mobile-folders {
    display: inline-flex;
  }

  .inbox-main-hd {
    padding: 8px 12px;
  }

  .inbox-chip {
    font-size: 0.68rem;
    padding: 4px 8px;
  }
}

@media (max-width: 768px) {
  .inbox-app {
    margin-top: 60px;
    min-height: calc(100dvh - 60px);
  }
}