:root {
  color-scheme: light;
  --bg: #f6f5f0;
  --surface: #ffffff;
  --surface-strong: #edece3;
  --ink: #12170f;
  --muted: #596157;
  --line: #d8d9cf;
  --accent: #003d20;
  --accent-strong: #002815;
  --accent-soft: #e2f1e8;
  --rose: #d6316b;
  --rose-strong: #9d174d;
  --rose-soft: #fce8ef;
  --warning: #9a5b13;
  --danger: #b42318;
  --shadow: 0 20px 60px rgba(18, 23, 15, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.app-shell {
  min-height: 100vh;
}

.auth-view {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 480px);
  gap: 48px;
  align-items: center;
  padding: clamp(24px, 6vw, 80px);
  background:
    radial-gradient(circle at 12% 18%, rgba(214, 49, 107, 0.15), transparent 30%),
    radial-gradient(circle at 80% 76%, rgba(0, 61, 32, 0.16), transparent 34%),
    var(--bg);
}

.brand-panel {
  max-width: 640px;
}

.brand-mark {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--accent);
  color: #ffffff;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 26px;
  position: relative;
  text-transform: lowercase;
}

.brand-mark::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 16px;
  height: 16px;
  border: 3px solid var(--bg);
  border-radius: 50%;
  background: var(--rose);
}

.brand-mark.compact {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  margin: 0;
  flex: 0 0 auto;
}

.brand-mark.compact::after {
  width: 12px;
  height: 12px;
  border-width: 2px;
  border-color: var(--accent-strong);
}

.brand-parent {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--rose-strong);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 0.95;
}

h2 {
  margin-bottom: 6px;
  font-size: clamp(26px, 3vw, 38px);
}

h3 {
  margin-bottom: 0;
  font-size: 18px;
}

.brand-panel p,
.topbar p,
.form-message {
  color: var(--muted);
}

.brand-panel p {
  max-width: 560px;
  font-size: 19px;
  line-height: 1.6;
}

.auth-card,
.inbox-panel,
.reader-panel,
.accounts-panel,
.settings-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.auth-card {
  padding: 28px;
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 5px;
  margin-bottom: 22px;
  background: var(--surface-strong);
  border-radius: 8px;
}

.mode-button {
  padding: 0 8px;
}

.mode-button {
  min-height: 40px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.mode-button.active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 6px 16px rgba(18, 23, 15, 0.08);
}

.mode-button.active::after {
  content: "";
  display: block;
  width: 18px;
  height: 3px;
  margin: 3px auto 0;
  border-radius: 999px;
  background: var(--rose);
}

.auth-help-action {
  display: block;
  margin: 12px auto 0;
  padding: 4px 8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.auth-help-action:hover,
.auth-help-action:focus-visible {
  color: var(--ink);
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--ink);
  font-weight: 700;
}

.field span {
  font-size: 13px;
}

.field input,
.field textarea,
.field select,
#accountFilter {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 0 12px;
  outline: 0;
}

.field textarea {
  min-height: 180px;
  padding: 12px;
  resize: vertical;
  line-height: 1.5;
}

.field input:focus,
.field textarea:focus,
.field select:focus,
#accountFilter:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0, 61, 32, 0.14);
}

.primary-action,
.secondary-action,
.ghost-action {
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 16px;
  font-weight: 800;
}

.primary-action {
  width: 100%;
  background: var(--accent);
  color: #ffffff;
}

.primary-action:hover {
  background: var(--accent-strong);
}

.primary-action.small {
  width: auto;
}

.secondary-action {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

.ghost-action {
  width: 100%;
  background: transparent;
  color: var(--muted);
  border-color: var(--line);
}

.form-message {
  min-height: 22px;
  margin: 14px 0 0;
  font-size: 14px;
}

.form-message.error {
  color: var(--danger);
}

.form-message.success {
  color: var(--accent-strong);
}

.mail-view {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
}

.sidebar {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  border-right: 0;
  background: var(--accent);
  color: #ffffff;
}

.sidebar-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar .brand-mark {
  background: var(--bg);
  color: var(--accent);
}

.sidebar .brand-mark.compact::after {
  border-color: var(--accent);
}

.sidebar-head span {
  display: block;
  max-width: 156px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-head small {
  display: block;
  margin: 2px 0 3px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 10px;
}

.folder-list {
  display: grid;
  gap: 8px;
}

.custom-folders {
  display: grid;
  gap: 8px;
}

.sidebar-section-head {
  min-height: 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 800;
}

.icon-button,
.folder-delete-button {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
}

.folder-create-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  gap: 6px;
}

.folder-create-form input {
  min-width: 0;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
}

.sidebar-message {
  min-height: 0;
  margin: 0;
  color: #ffd8e6;
  font-size: 12px;
  line-height: 1.4;
}

.custom-folder-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 32px;
  align-items: center;
  gap: 6px;
}

.custom-folder-row .folder-item {
  min-width: 0;
}

.custom-folder-row .folder-item span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.folder-delete-button {
  color: var(--danger);
  font-size: 14px;
  font-weight: 900;
}

.folder-item {
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.78);
  padding: 0 12px;
  font-weight: 800;
}

.folder-item.active {
  background: var(--rose);
  color: #ffffff;
}

.sidebar .folder-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.sidebar .folder-item.active:hover {
  background: var(--rose);
}

.sidebar .icon-button,
.sidebar .folder-delete-button {
  border-color: rgba(255, 255, 255, 0.24);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.sidebar .folder-create-form input {
  border-color: rgba(255, 255, 255, 0.3);
  background: #ffffff;
}

.sidebar .ghost-action {
  border-color: rgba(255, 255, 255, 0.34);
  color: #ffffff;
}

.sidebar .ghost-action {
  margin-top: auto;
}

.workspace {
  min-width: 0;
  padding: 28px;
  overflow: hidden;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
  align-items: center;
}

.sync-status {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 11px;
  color: var(--muted);
  background: var(--surface);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.sync-status::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: #94a3b8;
}

.sync-status[data-state="syncing"]::before {
  background: #d97706;
  animation: sync-pulse 1s ease-in-out infinite;
}

.sync-status[data-state="success"]::before,
.sync-status[data-state="new"]::before {
  background: var(--accent);
}

.sync-status[data-state="new"] {
  color: var(--accent-strong);
  border-color: rgba(15, 118, 110, 0.4);
  background: var(--accent-soft);
}

.sync-status[data-state="error"]::before {
  background: var(--danger);
}

@keyframes sync-pulse {
  50% { opacity: 0.35; }
}

.mail-content {
  display: grid;
  grid-template-columns: minmax(340px, 420px) minmax(420px, 1fr);
  gap: 0;
  min-height: min(720px, calc(100vh - 150px));
  height: calc(100vh - 150px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 14px 38px rgba(24, 33, 47, 0.09);
}

.inbox-panel,
.reader-panel,
.accounts-panel,
.settings-panel {
  min-width: 0;
  padding: 20px;
}

.inbox-panel,
.reader-panel {
  min-height: 0;
  overflow: hidden;
}

.mail-content .inbox-panel,
.mail-content .reader-panel {
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.inbox-panel {
  display: flex;
  flex-direction: column;
  padding: 0;
  border-right: 1px solid var(--line) !important;
}

.reader-panel {
  overflow-y: auto;
  padding: 0;
}

.accounts-panel {
  max-width: 980px;
}

.settings-panel {
  max-width: 1160px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

#accountFilter {
  max-width: 220px;
}

.inbox-panel > .panel-heading {
  min-height: 70px;
  margin: 0;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.inbox-panel > .panel-heading h3 {
  font-size: 16px;
}

.message-filter-bar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 0;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: #fbfcfd;
}

#messageSearch {
  grid-column: 1 / -1;
}

.message-filter-bar input,
.message-filter-bar select,
.account-footer-item select,
.condition-row input,
.condition-row select,
.asset-upload-form input[type="file"] {
  min-width: 0;
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0 10px;
}

.compact-toggle {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.compact-toggle input {
  width: 17px;
  height: 17px;
  margin: 0;
  accent-color: var(--accent);
}

.secure-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 900;
}

.message-list,
.account-list {
  display: grid;
  gap: 10px;
}

.message-list {
  display: block;
  min-height: 0;
  overflow-y: auto;
  padding: 0;
}

.bulk-toolbar {
  min-height: 46px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.bulk-toolbar button,
.load-more-button,
.conversation-strip button {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  padding: 0 9px;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.bulk-toolbar:not(.has-selection) [data-bulk-action] { opacity: .45; pointer-events: none; }
.select-all-control { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 800; }
#selectionCount { margin-left: auto; color: var(--muted); font-size: 11px; white-space: nowrap; }
.load-more-button { margin: 10px 14px 14px; min-height: 38px; }

.message-item,
.account-item,
.empty-state {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.message-item {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 4px;
  min-height: 116px;
  padding: 8px 10px 8px 7px;
  text-align: left;
  width: 100%;
  border: 0;
  border-bottom: 1px solid #e5eaf0;
  border-radius: 0;
  color: inherit;
  cursor: pointer;
  transition: background-color 140ms ease, box-shadow 140ms ease;
}

.message-item-controls { display: flex; flex-direction: column; align-items: center; gap: 6px; padding-top: 5px; }
.message-select { width: 16px; height: 16px; accent-color: var(--accent); }
.message-star { border: 0; background: transparent; color: #899286; padding: 0; font-size: 20px; line-height: 1; }
.message-star.active { color: #d49513; }
.draft-item .message-item-controls { visibility: hidden; }
.message-open { min-width: 0; display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 11px; border: 0; background: transparent; color: inherit; padding: 5px 0; text-align: left; }

.message-item:hover {
  background: #f5f8fa;
}

.message-item.unread {
  background: #f8fcfb;
}

.message-item.selected,
.message-item.selected.unread {
  background: #eaf6f3;
  box-shadow: inset 3px 0 0 var(--accent);
}

.sender-avatar {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #e6eef3;
  color: #34475a;
  font-size: 12px;
  font-weight: 900;
}

.sender-avatar[data-tone="1"] { background: #e1f2eb; color: #176b55; }
.sender-avatar[data-tone="2"] { background: #f5ead8; color: #875a18; }
.sender-avatar[data-tone="3"] { background: #e9e6f5; color: #5c4c87; }
.sender-avatar[data-tone="4"] { background: #f6e5e7; color: #8d4450; }
.sender-avatar[data-tone="5"] { background: #e2eef8; color: #35698d; }

.message-summary {
  min-width: 0;
}

.message-row-top,
.message-subject-row,
.message-account-line {
  display: flex;
  align-items: center;
  min-width: 0;
}

.message-row-top {
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 3px;
}

.message-sender {
  overflow: hidden;
  color: #2d3745;
  font-size: 13px;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-time {
  flex: 0 0 auto;
  color: #7a8696;
  font-size: 11px;
}

.message-item.unread .message-sender,
.message-item.unread .message-time,
.message-item.unread .message-subject {
  color: var(--ink);
  font-weight: 900;
}

.message-subject-row {
  gap: 6px;
  margin-bottom: 4px;
}

.unread-indicator {
  display: none;
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
}

.message-item.unread .unread-indicator {
  display: block;
}

.message-subject {
  min-width: 0;
  overflow: hidden;
  color: #3e4957;
  font-size: 13px;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-preview {
  margin: 0 0 7px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
  overflow-wrap: anywhere;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}

.message-account-line {
  gap: 6px;
  color: #7a8696;
  font-size: 12px;
}

.account-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #93a4b5;
}

.message-account {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-list .empty-state {
  margin: 16px;
}

.empty-state {
  padding: 22px;
  color: var(--muted);
  line-height: 1.5;
}

.message-detail,
.compose-panel {
  min-height: 100%;
}

.conversation-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin: 0 22px 12px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: #f8faf8; }
.conversation-strip strong { width: 100%; font-size: 12px; }
.conversation-strip button.active { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-strong); }
.message-loading { display: grid; gap: 12px; padding: 8px 0; }
.message-loading span { display: block; height: 14px; border-radius: 999px; background: linear-gradient(90deg, #edf0eb 25%, #f8faf7 50%, #edf0eb 75%); background-size: 200% 100%; animation: loading-shimmer 1.2s infinite; }
.message-loading span:nth-child(2) { width: 86%; }
.message-loading span:nth-child(3) { width: 64%; }
@keyframes loading-shimmer { to { background-position: -200% 0; } }

.attachment-chip { display: inline-flex; align-items: center; gap: 7px; }
.attachment-chip button { border: 0; border-left: 1px solid var(--line); background: transparent; color: var(--accent); font-size: 11px; font-weight: 800; }
.compose-attachment-list { display: flex; flex-wrap: wrap; gap: 8px; margin: -6px 0 16px; }
.compose-submit-row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; }
.compose-attachment-chip { display: inline-flex; align-items: center; gap: 8px; padding: 7px 9px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface-strong); font-size: 12px; }
.compose-attachment-chip button { border: 0; background: transparent; color: var(--danger); font-weight: 900; }
.folder-mapping-settings { margin: 0 0 18px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; }
.folder-mapping-settings summary { cursor: pointer; font-weight: 800; }
.folder-mapping-settings p { margin: 8px 0 12px; color: var(--muted); font-size: 12px; }

.undo-toast { position: fixed; z-index: 30; left: 50%; bottom: 24px; transform: translateX(-50%); display: flex; align-items: center; gap: 18px; min-width: min(420px, calc(100vw - 32px)); padding: 13px 16px; border-radius: 8px; background: #152017; color: #fff; box-shadow: var(--shadow); }
.undo-toast span { flex: 1; font-size: 13px; }
.undo-toast button { border: 0; background: transparent; color: #ff83ae; font-weight: 900; }
.attachment-preview-dialog { width: min(720px, calc(100vw - 32px)); max-height: calc(100vh - 48px); border: 0; border-radius: 10px; padding: 18px; box-shadow: var(--shadow); }
.attachment-preview-dialog::backdrop { background: rgba(10, 20, 14, .66); }
.attachment-preview-dialog header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.attachment-preview-dialog header button { border: 0; background: transparent; font-size: 24px; }
.attachment-preview-dialog img { display: block; max-width: 100%; max-height: 65vh; margin: 0 auto 16px; object-fit: contain; }

.message-detail {
  display: flex;
  flex-direction: column;
}

.reader-command-bar {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 12px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.97);
}

.message-detail-head {
  display: block;
  padding: 26px 34px 20px;
  margin: 0;
}

.message-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.message-toolbar {
  display: grid;
  grid-template-columns: auto minmax(140px, 240px) auto;
  align-items: center;
  justify-content: start;
  gap: 10px;
  margin: 0;
  padding: 11px 34px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #fafbfc;
}

.message-toolbar label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.message-toolbar select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 0 10px;
}

.message-toolbar .secondary-action {
  width: auto;
}

.reader-back-button {
  display: none;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
}

.compose-heading {
  display: flex;
  align-items: center;
  gap: 10px;
}

.detail-kicker {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

#detailSubject {
  margin: 7px 0 22px;
  overflow-wrap: anywhere;
  font-size: 25px;
  line-height: 1.25;
  font-weight: 750;
}

.detail-sender-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}

.detail-avatar {
  width: 44px;
  height: 44px;
  font-size: 13px;
}

.detail-sender-copy {
  min-width: 0;
}

#detailSender {
  display: block;
  margin-bottom: 3px;
  overflow: hidden;
  font-size: 14px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#detailMeta {
  margin: 0;
  color: var(--muted);
  overflow: hidden;
  font-size: 12px;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-sender-row time {
  align-self: start;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.detail-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0 56px;
}

.attachment-chip {
  max-width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fafb;
  color: #566273;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-body {
  width: min(100%, 880px);
  margin: 0 auto;
  padding: 34px 42px 64px;
  overflow-wrap: anywhere;
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
}

.html-mail-content {
  display: block;
  width: 100%;
  min-height: 180px;
  background: #fff;
}

.remote-image-notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding: 10px 12px;
  border: 1px solid #d4dee7;
  border-radius: 6px;
  background: #f8fafb;
  color: #566273;
  font-size: 12px;
}

.remote-image-notice .secondary-action {
  min-height: 34px;
  flex: 0 0 auto;
  padding: 0 11px;
  font-size: 12px;
}

.message-body-copy p,
.quoted-thread-body p {
  margin: 0 0 18px;
  white-space: pre-wrap;
  line-height: 1.72;
}

.message-body-copy p:last-child,
.quoted-thread-body p:last-child {
  margin-bottom: 0;
}

.quoted-thread {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.quoted-thread summary {
  width: fit-content;
  cursor: pointer;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 800;
}

.quoted-thread-body {
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 3px solid #bdc8d2;
  background: #f8fafb;
  color: #566273;
  font-size: 13px;
}

.compose-form {
  display: grid;
}

.compose-footer-controls {
  display: grid;
  grid-template-columns: minmax(220px, 0.65fr) minmax(240px, 1fr);
  align-items: end;
  gap: 14px;
  margin-bottom: 16px;
}

.compose-footer-controls .field {
  margin-bottom: 0;
}

.compose-footer-controls .toggle-field {
  margin-bottom: 0;
}

.toggle-field {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.toggle-field input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
}

.compose-signature-preview,
.signature-preview-box {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.compose-signature-preview iframe,
.signature-preview-frame {
  width: 100%;
  height: 120px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.form-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 12px;
}

.form-row.equal-columns,
.settings-form .form-row.equal-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.account-form .form-row {
  grid-template-columns: minmax(0, 1fr) minmax(82px, 0.28fr);
}

.account-form .form-row:has(.field:nth-child(3)) {
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr) minmax(82px, 0.28fr);
}

.compact-field input {
  text-align: center;
}

.account-item {
  display: grid;
  gap: 10px;
  padding: 14px;
}

.settings-panel > .panel-heading p,
.settings-section > div:first-child p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.settings-section {
  display: grid;
  grid-template-columns: minmax(190px, 0.34fr) minmax(0, 1fr);
  gap: 28px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}

.settings-section h4 {
  margin: 0;
  font-size: 15px;
}

.settings-form,
.inline-settings-form,
.asset-upload-form {
  min-width: 0;
}

.inline-settings-form {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(130px, 180px) auto;
  gap: 12px;
  align-items: end;
}

.inline-settings-form .toggle-field,
.inline-settings-form .field {
  margin-bottom: 0;
}

.inline-settings-form .form-message,
.asset-upload-form .form-message {
  grid-column: 1 / -1;
  margin-top: 0;
}

.compact-setting select {
  min-height: 44px;
}

.condition-builder {
  margin-bottom: 14px;
}

.condition-row {
  display: grid;
  grid-template-columns: 125px 135px minmax(150px, 1fr) 36px;
  gap: 8px;
  margin-bottom: 8px;
}

.condition-row .delete-button {
  width: 36px;
  height: 38px;
}

.form-actions,
.item-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rule-list,
.footer-list,
.asset-list,
.account-footer-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.rule-item,
.footer-item,
.asset-item,
.account-footer-item {
  min-width: 0;
  display: grid;
  align-items: center;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 14px;
}

.rule-item {
  grid-template-columns: minmax(0, 1fr) auto;
}

.rule-item-main {
  min-width: 0;
}

.rule-item-main > div {
  display: flex;
  align-items: center;
  gap: 9px;
}

.rule-item p {
  margin: 6px 0;
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.status-dot,
.rule-target,
.footer-item span,
.asset-item span,
.account-footer-item span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.rule-target {
  color: var(--accent-strong);
}

.footer-preview-box {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.footer-preview-box iframe,
.footer-item iframe {
  width: 100%;
  height: 130px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.footer-item {
  grid-template-columns: minmax(130px, 0.35fr) minmax(220px, 1fr) auto;
}

.footer-item > div:first-child,
.asset-item > div,
.account-footer-item > div {
  display: grid;
  gap: 4px;
}

.asset-upload-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.asset-upload-form input[type="file"] {
  padding: 7px 10px;
}

.asset-item {
  grid-template-columns: 74px minmax(0, 1fr) 36px;
}

.asset-item img {
  width: 74px;
  height: 48px;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.account-footer-item {
  grid-template-columns: minmax(150px, 0.55fr) minmax(150px, 1fr) auto auto;
}

.account-footer-item .form-message {
  grid-column: 1 / -1;
  margin: 0;
}

.account-item header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.account-title {
  display: grid;
  gap: 3px;
}

.account-title strong {
  overflow-wrap: anywhere;
}

.account-title span,
.account-details {
  color: var(--muted);
  font-size: 13px;
}

.signature-editor {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.signature-editor summary {
  cursor: pointer;
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 900;
}

.signature-editor[open] summary {
  margin-bottom: 14px;
}

.signature-editor .save-signature-button {
  width: auto;
}

.account-details {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.delete-button {
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--danger);
  font-weight: 900;
}

.danger-action {
  min-height: 36px;
  flex: 0 0 auto;
  border: 1px solid #efb8b3;
  border-radius: 8px;
  background: #fff7f6;
  color: var(--danger);
  padding: 0 12px;
  font-size: 12px;
  font-weight: 850;
}

.danger-action:hover {
  border-color: var(--danger);
  background: #fff0ee;
}

.destructive-dialog {
  width: min(520px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 0;
  box-shadow: 0 24px 70px rgba(24, 33, 47, 0.24);
}

.destructive-dialog::backdrop {
  background: rgba(24, 33, 47, 0.52);
}

.destructive-dialog form {
  padding: 22px;
}

.destructive-dialog header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.destructive-dialog header h3 {
  margin-top: 4px;
}

.destructive-dialog > form > p {
  color: #4f5b6b;
  line-height: 1.55;
}

.destructive-dialog .dialog-note {
  padding: 10px 12px;
  border-left: 3px solid #d5a34b;
  background: #fff9ec;
  font-size: 13px;
}

.delete-dialog-close {
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  font-weight: 900;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.dialog-actions .danger-action,
.dialog-actions .secondary-action {
  min-height: 42px;
}

.recovery-code {
  display: block;
  margin: 18px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--ink);
  font: 700 15px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace;
  overflow-wrap: anywhere;
  user-select: all;
}

.notice-dialog {
  width: min(460px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-top: 5px solid var(--rose);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink);
  padding: 24px;
  box-shadow: 0 24px 70px rgba(18, 23, 15, 0.26);
}

.notice-dialog::backdrop {
  background: rgba(0, 40, 21, 0.58);
}

.notice-content {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 22px;
}

.notice-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--rose-soft);
  color: var(--rose-strong);
  font-size: 22px;
  font-weight: 900;
}

.notice-dialog h3 {
  margin: 4px 0 8px;
}

.notice-dialog p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.notice-dialog .primary-action {
  width: auto;
  min-width: 132px;
  float: right;
}

@media (max-width: 1040px) {
  .mail-content {
    display: block;
    height: calc(100vh - 150px);
    min-height: 460px;
  }

  .inbox-panel,
  .reader-panel {
    height: 100%;
  }

  .message-list {
    max-height: none;
  }

  .reader-panel {
    display: none;
  }

  .mail-content.reader-open .inbox-panel {
    display: none;
  }

  .mail-content.reader-open .reader-panel {
    display: block;
  }

  .reader-back-button {
    display: grid;
    place-items: center;
  }

  .message-filter-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  #messageSearch {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  .auth-view,
  .mail-view {
    display: block;
  }

  .auth-view {
    padding: 24px;
  }

  h1 {
    font-size: 44px;
  }

  .brand-panel {
    margin-bottom: 28px;
  }

  .sidebar {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .workspace {
    padding: 20px;
    overflow: visible;
  }

  .mail-content {
    height: auto;
    min-height: 520px;
  }

  .topbar,
  .topbar-actions,
  .form-row,
  .form-row.equal-columns,
  .settings-form .form-row.equal-columns,
  .account-form .form-row,
  .account-form .form-row:has(.field:nth-child(3)) {
    display: grid;
    grid-template-columns: 1fr;
  }

  .primary-action.small,
  .secondary-action {
    width: 100%;
  }

  .message-item {
    grid-template-columns: 36px minmax(0, 1fr);
    min-height: 108px;
    padding: 13px 12px;
  }

  .reader-command-bar {
    justify-content: space-between;
    padding: 10px 14px;
  }

  .reader-command-bar .secondary-action {
    width: auto;
  }

  .message-detail-head {
    padding: 22px 18px 18px;
  }

  #detailSubject {
    margin-bottom: 18px;
    font-size: 21px;
  }

  .detail-sender-row {
    grid-template-columns: 42px minmax(0, 1fr);
  }

  .detail-sender-row time {
    grid-column: 2;
    margin-top: -5px;
  }

  .detail-attachments {
    margin-left: 0;
  }

  .message-toolbar {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 11px 18px;
  }

  .message-toolbar label {
    grid-column: 1 / -1;
  }

  .message-toolbar .secondary-action {
    width: auto;
  }

  .detail-body {
    padding: 26px 20px 52px;
  }

  .compose-footer-controls {
    grid-template-columns: 1fr;
  }

  .remote-image-notice {
    align-items: stretch;
    flex-direction: column;
  }

  .remote-image-notice .secondary-action {
    width: 100%;
  }

  #accountFilter {
    max-width: none;
  }

  .settings-panel {
    padding: 16px;
  }

  .settings-section,
  .inline-settings-form,
  .condition-row,
  .rule-item,
  .footer-item,
  .asset-upload-form,
  .account-footer-item {
    grid-template-columns: 1fr;
  }

  .message-filter-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #messageSearch {
    grid-column: 1 / -1;
  }

  .condition-row .delete-button {
    width: 100%;
  }

  .account-footer-item .form-message,
  .inline-settings-form .form-message,
  .asset-upload-form .form-message {
    grid-column: auto;
  }
}

/* Compact desktop mail workspace */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.mail-view {
  position: relative;
  grid-template-columns: 240px minmax(0, 1fr);
  transition: grid-template-columns 180ms ease;
}

.session-loading-overlay {
  display: none;
}

html.session-restoring #authView {
  display: none !important;
}

html.session-restoring #mailView.hidden {
  display: grid !important;
}

html.session-restoring .session-loading-overlay {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: rgba(246, 245, 240, 0.9);
  color: var(--ink);
  backdrop-filter: blur(8px);
}

.session-loading-overlay strong,
.session-loading-overlay span {
  display: block;
}

.session-loading-overlay span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 13px;
}

.session-loading-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-weight: 900;
  text-transform: lowercase;
  animation: loading-breathe 1.1s ease-in-out infinite alternate;
}

@keyframes loading-breathe {
  to { transform: scale(0.94); opacity: 0.72; }
}

.sidebar {
  gap: 14px;
  padding: 18px 16px;
  overflow-x: hidden;
  transition: width 180ms ease, padding 180ms ease, transform 180ms ease;
}

.folder-list {
  gap: 4px;
}

.folder-item {
  position: relative;
  min-height: 40px;
  padding: 0 10px;
}

.folder-item::before {
  content: attr(data-icon);
  display: none;
  width: 24px;
  text-align: center;
  font-size: 17px;
  font-weight: 900;
}

.mail-view.sidebar-collapsed {
  grid-template-columns: 72px minmax(0, 1fr);
}

.mail-view.sidebar-collapsed .sidebar {
  padding-inline: 10px;
}

.mail-view.sidebar-collapsed .sidebar-head > div:last-child,
.mail-view.sidebar-collapsed .sidebar-section-head > span,
.mail-view.sidebar-collapsed .folder-item > span,
.mail-view.sidebar-collapsed .custom-folder-row .folder-delete-button,
.mail-view.sidebar-collapsed .folder-create-form,
.mail-view.sidebar-collapsed .sidebar-message,
.mail-view.sidebar-collapsed #logoutButton > span {
  display: none;
}

.mail-view.sidebar-collapsed .sidebar-head {
  justify-content: center;
}

.mail-view.sidebar-collapsed .folder-item {
  justify-content: center;
  padding: 0;
}

.mail-view.sidebar-collapsed .folder-item::before {
  display: block;
}

.mail-view.sidebar-collapsed .folder-item > strong {
  position: absolute;
  top: 2px;
  right: 1px;
  min-width: 16px;
  padding: 1px 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  font-size: 9px;
  line-height: 14px;
  text-align: center;
}

.mail-view.sidebar-collapsed .custom-folder-row {
  grid-template-columns: 1fr;
}

.mail-view.sidebar-collapsed #logoutButton {
  width: 44px;
  min-height: 40px;
  margin-inline: auto;
  padding: 0;
  font-size: 0;
}

.mail-view.sidebar-collapsed #logoutButton::before {
  content: attr(data-icon);
  font-size: 18px;
}

.workspace {
  padding: 16px 18px 18px;
}

.topbar {
  align-items: center;
  min-height: 54px;
  margin-bottom: 12px;
}

.topbar-title {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-title > div {
  min-width: 0;
}

.topbar h2 {
  overflow: hidden;
  margin-bottom: 1px;
  font-size: clamp(24px, 2.3vw, 32px);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.topbar p {
  overflow: hidden;
  margin-bottom: 0;
  font-size: 13px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-toggle {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
  color: var(--ink);
  font-size: 20px;
}

.sidebar-toggle:hover,
.sidebar-toggle:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.topbar-actions .primary-action.small {
  min-height: 38px;
  padding-inline: 13px;
}

.mail-content {
  grid-template-columns: minmax(500px, 46%) minmax(420px, 1fr);
  min-height: min(760px, calc(100vh - 100px));
  height: calc(100vh - 100px);
}

.message-filter-bar {
  display: grid;
  grid-template-columns: minmax(190px, 1fr) minmax(118px, 0.58fr) 88px minmax(124px, 0.55fr) auto;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: #fbfcfd;
}

.search-control {
  position: relative;
  min-width: 0;
}

.search-control > span {
  position: absolute;
  z-index: 1;
  left: 11px;
  top: 50%;
  transform: translateY(-52%);
  color: var(--muted);
  font-size: 19px;
  pointer-events: none;
}

#messageSearch,
#accountFilter,
.message-filter-bar select {
  width: 100%;
  min-width: 0;
  min-height: 36px;
  height: 36px;
  border-radius: 7px;
  font-size: 12px;
}

#messageSearch {
  padding-left: 34px;
}

#accountFilter {
  max-width: none;
  padding-inline: 9px;
}

.filter-toggle-button,
.clear-filter-button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--surface);
  color: var(--ink);
  padding: 0 10px;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.filter-toggle-button.active {
  border-color: var(--rose);
  background: var(--rose-soft);
  color: var(--rose-strong);
}

.advanced-filter-row {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: #f7f8f5;
}

.advanced-filter-row > label:not(.compact-toggle) {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.advanced-filter-row input[type="date"] {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  padding: 0 8px;
  font-size: 12px;
}

.clear-filter-button {
  margin-left: auto;
}

.bulk-toolbar {
  min-height: 42px;
  padding-block: 4px;
}

.message-item {
  min-height: 82px;
  padding: 6px 10px 6px 7px;
}

.message-item-controls {
  gap: 4px;
  padding-top: 4px;
}

.message-open {
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 8px;
  padding: 3px 0;
}

.message-avatar {
  width: 32px;
  height: 32px;
  font-size: 10px;
}

.message-row-top,
.message-subject-row {
  margin-bottom: 1px;
}

.message-preview {
  margin-bottom: 2px;
  -webkit-line-clamp: 1;
  white-space: normal;
}

.message-account-line {
  font-size: 11px;
}

@media (max-width: 1180px) {
  .message-filter-bar {
    display: flex;
    overflow-x: auto;
  }

  .search-control { flex: 1 0 190px; }
  #accountFilter { flex: 0 0 130px; }
  .message-filter-bar select { flex: 0 0 116px; }
  #searchField { flex-basis: 84px; }
}

@media (max-width: 760px) {
  .mail-view,
  html.session-restoring #mailView.hidden {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar {
    position: fixed;
    z-index: 50;
    inset: 0 auto 0 0;
    width: 260px;
    min-height: 100vh;
    box-shadow: 16px 0 40px rgba(0, 25, 13, 0.22);
  }

  .mail-view.sidebar-collapsed .sidebar {
    transform: translateX(-100%);
  }

  .mail-view.sidebar-collapsed .sidebar-head > div:last-child,
  .mail-view.sidebar-collapsed .sidebar-section-head > span,
  .mail-view.sidebar-collapsed .folder-item > span,
  .mail-view.sidebar-collapsed #logoutButton > span {
    display: block;
  }

  .mail-view.sidebar-collapsed .folder-item::before {
    display: none;
  }

  .mail-view.sidebar-collapsed .folder-item {
    justify-content: space-between;
    padding: 0 10px;
  }

  .mail-view.sidebar-collapsed .folder-item > strong {
    position: static;
    background: transparent;
    font-size: inherit;
    line-height: normal;
  }

  .workspace {
    padding: 10px 12px 14px;
  }

  .topbar {
    display: flex;
    align-items: center;
  }

  .topbar-title {
    flex: 1;
  }

  .topbar-actions {
    display: flex;
  }

  .topbar-actions #openAccountPanel,
  .topbar-actions .sync-status {
    display: none;
  }

  .mail-content {
    height: calc(100vh - 88px);
    min-height: 520px;
  }

  .message-filter-bar {
    display: flex;
    grid-template-columns: none;
  }

  .message-item {
    grid-template-columns: 28px minmax(0, 1fr);
    min-height: 82px;
    padding: 7px 9px 7px 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mail-view,
  .sidebar,
  .message-item,
  .session-loading-mark {
    transition: none;
    animation: none;
  }
}

/* Gmail-inspired list and contextual reader */
.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.mail-content {
  display: block;
  min-height: min(760px, calc(100vh - 100px));
  height: calc(100vh - 100px);
}

.inbox-panel {
  width: 100%;
  height: 100%;
  border-right: 0 !important;
}

.reader-panel {
  display: none;
  width: 100%;
  height: 100%;
}

.mail-content.reader-open .inbox-panel {
  display: none;
}

.mail-content.reader-open .reader-panel {
  display: block;
}

.message-filter-bar {
  grid-template-columns: minmax(220px, 1fr) minmax(140px, 210px) auto;
  padding: 10px 14px;
  background: #f8faf8;
}

.advanced-filter-row select {
  min-width: 118px;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  padding: 0 26px 0 8px;
  font-size: 12px;
}

.bulk-toolbar {
  min-height: 48px;
  gap: 4px;
  padding: 5px 14px;
  overflow: visible;
}

.bulk-toolbar:not(.has-selection) [data-bulk-action],
.bulk-toolbar:not(.has-selection) .toolbar-separator {
  display: none;
}

.bulk-toolbar .toolbar-icon-button.context-hidden {
  display: none;
}

.select-all-control {
  width: 36px;
  height: 36px;
  justify-content: center;
  border-radius: 50%;
}

.select-all-control:hover {
  background: #edf2ee;
}

.select-all-control input {
  width: 17px;
  height: 17px;
  margin: 0;
  accent-color: var(--accent);
}

.toolbar-separator {
  width: 1px;
  height: 24px;
  flex: 0 0 auto;
  margin: 0 5px;
  background: var(--line);
}

.toolbar-icon-button,
.bulk-toolbar .toolbar-icon-button {
  position: relative;
  width: 36px;
  height: 36px;
  min-height: 36px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: #3f4a43;
  padding: 0;
  font-size: 18px;
  font-weight: 750;
  line-height: 1;
}

.toolbar-icon {
  width: 20px;
  height: 20px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.toolbar-icon-button[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  z-index: 20;
  top: calc(100% + 7px);
  left: 50%;
  transform: translateX(-50%) translateY(-2px);
  min-width: max-content;
  max-width: 210px;
  padding: 6px 8px;
  border-radius: 5px;
  background: #26312a;
  color: #fff;
  font-size: 11px;
  font-weight: 650;
  line-height: 1.2;
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease, transform 120ms ease;
}

.toolbar-icon-button[data-tooltip]:hover::after,
.toolbar-icon-button[data-tooltip]:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toolbar-icon-button:hover,
.toolbar-icon-button:focus-visible {
  background: #e9efeb;
  outline: none;
}

.toolbar-icon-button:focus-visible {
  box-shadow: 0 0 0 3px rgba(0, 105, 57, 0.2);
}

#selectionCount {
  margin-left: 8px;
  font-size: 12px;
}

.message-list {
  flex: 1;
  background: #fff;
}

.message-item {
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 0;
  min-height: 48px;
  padding: 0 14px 0 8px;
  border-bottom-color: #e7ebe7;
}

.message-item-controls {
  flex-direction: row;
  justify-content: center;
  gap: 8px;
  padding: 0;
}

.message-star {
  width: 24px;
  min-height: 32px;
  font-size: 19px;
}

.message-open {
  grid-template-columns: minmax(145px, 0.24fr) minmax(280px, 1fr) minmax(90px, 0.16fr) 74px;
  align-items: center;
  gap: 18px;
  min-height: 47px;
  padding: 0;
}

.message-sender,
.message-subject-line,
.message-account,
.message-time {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-sender {
  color: #263229;
  font-size: 13px;
  font-weight: 650;
}

.message-subject-line {
  display: flex;
  align-items: baseline;
  gap: 5px;
  color: #5c665f;
}

.message-subject {
  flex: 0 1 auto;
  color: #28312a;
  font-size: 13px;
  font-weight: 650;
}

.message-preview {
  min-width: 0;
  display: block;
  flex: 1 1 auto;
  margin: 0;
  overflow: hidden;
  color: #737c75;
  font-size: 13px;
  line-height: normal;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-preview::before {
  content: "– ";
}

.message-account {
  color: #6b756d;
  font-size: 11px;
  text-align: right;
}

.message-time {
  color: #69746c;
  font-size: 11px;
  text-align: right;
}

.message-item:hover {
  position: relative;
  z-index: 1;
  background: #f2f6f3;
  box-shadow: 0 1px 4px rgba(25, 42, 30, 0.14);
}

.message-item.unread {
  background: #f7fbf8;
}

.message-item.unread .message-sender,
.message-item.unread .message-subject,
.message-item.unread .message-time {
  font-weight: 850;
}

.message-item.selected,
.message-item.selected.unread {
  background: #e3f2ec;
  box-shadow: none;
}

.reader-command-bar {
  min-height: 52px;
  justify-content: flex-start;
  gap: 4px;
  padding: 7px 18px;
  overflow-x: auto;
  background: rgba(255, 255, 255, 0.98);
}

.reader-back-button,
.reader-back-button.toolbar-icon-button {
  display: inline-grid;
  place-items: center;
  border: 0;
  background: transparent;
}

.message-actions {
  min-width: max-content;
  gap: 4px;
}

.reader-move-control {
  display: flex;
  align-items: center;
  gap: 3px;
  margin-left: 5px;
}

.reader-move-control select {
  width: 150px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
  padding: 0 26px 0 9px;
  font-size: 12px;
}

.message-detail-head,
.conversation-strip,
.detail-body,
.reader-reply-bar {
  width: min(100%, 1080px);
  margin-inline: auto;
}

.message-detail-head {
  padding: 30px 42px 22px;
}

#detailSubject {
  margin: 8px 0 25px;
  font-size: clamp(24px, 2.4vw, 34px);
}

.conversation-strip {
  margin-top: 0;
  margin-bottom: 12px;
}

.detail-body {
  padding: 30px 42px 42px;
}

.reader-reply-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0 42px 54px;
}

.reader-reply-bar .secondary-action {
  width: auto;
  min-height: 38px;
  border-radius: 999px;
  padding-inline: 16px;
}

@media (max-width: 980px) {
  .message-filter-bar {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(128px, 160px) auto;
    overflow: visible;
  }

  .search-control {
    min-width: 0;
  }

  #accountFilter {
    min-width: 0;
  }

  .message-open {
    grid-template-columns: minmax(120px, 0.3fr) minmax(220px, 1fr) 70px;
    gap: 12px;
  }

  .message-account {
    display: none;
  }
}

@media (max-width: 520px) {
  .message-filter-bar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  #accountFilter {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 680px) {
  .message-item {
    grid-template-columns: 48px minmax(0, 1fr);
    min-height: 66px;
    padding-right: 9px;
  }

  .message-open {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    gap: 4px 10px;
    padding: 8px 0;
  }

  .message-subject-line {
    grid-column: 1 / -1;
  }

  .message-detail-head,
  .detail-body {
    padding-inline: 18px;
  }

  .reader-reply-bar {
    padding-inline: 18px;
  }

  .reader-reply-bar .secondary-action {
    width: 100%;
  }
}