:root {
  --bg:#f6f8fc;
  --surface:#fff;
  --line:#e8edf5;
  --text:#162239;
  --muted:#8793a8;
  --soft:#5f6e86;
  --primary:#4d5fe8;
  --primary-dark:#384dd9;
  --violet:#7457d5;
  --light-blue:#eef1ff;
  --shadow:0 18px 60px rgba(32,52,102,.065);
  --radius:20px;
  --font-main:'DM Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-heading:'Manrope',var(--font-main)
}

* {
  box-sizing:border-box
}

html,body {
  min-height:100%;
  margin:0
}

body {
  background:var(--bg);
  font-family:var(--font-main);
  color:var(--text);
  -webkit-font-smoothing:antialiased
}

button,input,textarea {
  font:inherit
}

button {
  cursor:pointer
}

button:focus-visible,input:focus-visible,textarea:focus-visible {
  outline:3px solid #9aa6ff;
  outline-offset:2px
}

button:disabled {
  opacity:.4;
  cursor:not-allowed
}

.svg-sprite {
  position:absolute;
  width:0;
  height:0;
  overflow:hidden
}

svg {
  width:20px;
  height:20px;
  fill:none;
  stroke:currentColor;
  stroke-width:1.7;
  stroke-linecap:round;
  stroke-linejoin:round;
  flex-shrink:0
}

.sr-only {
  position:absolute;
  width:1px;
  height:1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap
}

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

.sidebar {
  width:256px;
  flex:0 0 256px;
  min-height:100vh;
  position:sticky;
  top:0;
  max-height:100vh;
  overflow-y:auto;
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:27px 17px 17px;
  display:flex;
  flex-direction:column;
  z-index:30;
  scrollbar-width:thin
}

.brand {
  display:flex;
  align-items:center;
  gap:12px;
  padding:0 8px 34px
}

.brand-symbol {
  width:43px;
  height:43px;
  display:grid;
  place-items:center;
  border-radius:14px;
  background:linear-gradient(135deg,#5467ff,#8163ec);
  color:#fff;
  box-shadow:0 8px 18px rgba(86,92,233,.22);
  transform:rotate(-5deg)
}

.brand-symbol svg {
  width:24px;
  height:24px;
  transform:rotate(5deg)
}

.brand-name {
  display:flex;
  flex-direction:column;
  gap:3px
}

.brand-name strong {
  font:800 19px/1.2 var(--font-heading);
  letter-spacing:-.8px
}

.brand-name strong span {
  color:var(--primary)
}

.brand-name small {
  font-size:11px;
  color:var(--muted);
  font-weight:600;
  letter-spacing:.1px
}

.compose-trigger {
  border:0;
  color:#fff;
  background:linear-gradient(105deg,#4b63f1,#795de7);
  border-radius:13px;
  height:47px;
  display:flex;
  align-items:center;
  gap:9px;
  padding:0 14px;
  width:100%;
  font-weight:700;
  box-shadow:0 8px 16px rgba(76,90,220,.18);
  transition:transform .2s,box-shadow .2s
}

.compose-trigger:hover {
  transform:translateY(-2px);
  box-shadow:0 12px 20px rgba(76,90,220,.25)
}

.compose-trigger svg {
  width:20px;
  height:20px
}

.compose-shortcut {
  margin-left:auto;
  font-size:11px;
  font-weight:700;
  border:1px solid #ffffff52;
  border-radius:5px;
  padding:2px 6px
}

.nav-section-label {
  font-size:10px;
  color:#9aa5b7;
  letter-spacing:1.4px;
  font-weight:800;
  padding:30px 12px 12px
}

.nav-menu {
  display:grid;
  gap:3px
}

.nav-item {
  display:flex;
  align-items:center;
  gap:13px;
  width:100%;
  border:0;
  border-radius:11px;
  background:transparent;
  color:#67768e;
  text-align:left;
  padding:12px 13px;
  font-size:13px;
  font-weight:650;
  transition:background .17s,color .17s
}

.nav-item svg {
  width:19px;
  height:19px
}

.nav-item span:nth-child(2) {
  flex:1
}

.nav-item:hover {
  background:#f4f6ff;
  color:var(--primary)
}

.nav-item.is-active {
  background:#edf0ff;
  color:#4659d9
}

.nav-count {
  font-size:11px;
  line-height:22px;
  min-width:24px;
  height:22px;
  padding:0 6px;
  text-align:center;
  border-radius:7px;
  background:#dce2ff;
  color:#4b5bd5;
  font-weight:800
}

.nav-count-muted {
  background:#f0f2f8;
  color:#768299
}

.sidebar-divider {
  border-top:1px solid var(--line);
  margin:24px 8px 0
}

.labels {
  display:grid;
  gap:4px
}

.label-link {
  display:flex;
  align-items:center;
  gap:13px;
  padding:11px 14px;
  color:#78849a;
  background:transparent;
  border:0;
  border-radius:10px;
  font-size:13px;
  font-weight:650;
  text-align:left
}

.label-link:hover,.label-link.is-active {
  background:#f5f6ff;
  color:var(--primary)
}

.label-dot {
  height:9px;
  width:9px;
  border-radius:50%
}

.purple {
  background:#9a82f5
}

.blue {
  background:#68aeef
}

.amber {
  background:#f0bc71
}

.sidebar-bottom {
  margin-top:auto;
  padding-top:25px
}

.sidebar-info {
  background:linear-gradient(135deg,#f2f3ff,#f8f5ff);
  border:1px solid #eaebfc;
  border-radius:15px;
  padding:17px;
  margin:0 2px 21px
}

.sidebar-info-icon {
  height:35px;
  width:35px;
  display:grid;
  place-items:center;
  border-radius:10px;
  background:#fff;
  color:var(--primary);
  margin-bottom:11px
}

.sidebar-info strong {
  display:block;
  font-size:12px;
  color:#2b3652
}

.sidebar-info p {
  font-size:11px;
  line-height:1.7;
  color:#8992a8;
  margin:7px 0 11px
}

.sidebar-info button {
  border:0;
  background:none;
  padding:0;
  color:var(--primary);
  font-size:11px;
  font-weight:800
}

.sidebar-info button span {
  padding-left:3px
}

.account-chip {
  display:flex;
  align-items:center;
  gap:10px;
  border-top:1px solid var(--line);
  padding:17px 3px 0;
  min-width:0
}

.account-avatar,.header-avatar {
  width:35px;
  height:35px;
  border-radius:12px;
  background:linear-gradient(140deg,#ced6fc,#ece1ff);
  color:#4a4faf;
  display:grid;
  place-items:center;
  font-size:11px;
  font-weight:800
}

.account-text {
  display:flex;
  flex-direction:column;
  min-width:0;
  gap:2px
}

.account-text strong {
  font-size:12px
}

.account-text span {
  font-size:10px;
  color:var(--muted);
  overflow:hidden;
  text-overflow:ellipsis
}

.account-status {
  height:7px;
  width:7px;
  background:#8ccdba;
  border-radius:50%;
  margin-left:auto;
  flex:0 0 7px
}

.main-area {
  width:calc(100% - 256px);
  min-width:0
}

.topbar {
  height:84px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 37px;
  border-bottom:1px solid #edf0f5;
  background:rgba(255,255,255,.65)
}

.top-left,.top-actions {
  display:flex;
  align-items:center;
  gap:22px
}

.breadcrumb {
  display:flex;
  align-items:center;
  gap:8px;
  color:#9ca7b8;
  font-size:12px;
  font-weight:700
}

.breadcrumb svg {
  height:13px;
  width:13px
}

.breadcrumb strong {
  color:#536078
}

.search-wrap {
  height:40px;
  width:min(340px,30vw);
  border:1px solid #e9edf6;
  border-radius:11px;
  background:#fff;
  display:flex;
  align-items:center;
  gap:10px;
  padding:0 13px
}

.search-icon {
  width:17px;
  height:17px;
  color:#a7b0c2
}

.search-wrap input {
  background:transparent;
  border:0;
  outline:0;
  min-width:0;
  flex:1;
  font-size:12px;
  color:var(--text)
}

.search-wrap input::placeholder {
  color:#a5afc0
}

.search-wrap kbd {
  font:600 11px var(--font-main);
  color:#a1acc0;
  border:1px solid #e6eaf3;
  border-radius:4px;
  padding:2px 6px
}

.icon-btn,.small-icon-btn {
  border:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:transparent;
  color:#8190a6;
  border-radius:10px;
  transition:background .2s,color .2s
}

.icon-btn {
  width:37px;
  height:37px
}

.small-icon-btn {
  width:34px;
  height:34px
}

.icon-btn:hover,.small-icon-btn:hover {
  background:#edf0fc;
  color:var(--primary)
}

.small-icon-btn svg {
  width:18px;
  height:18px
}

.header-avatar {
  width:38px;
  height:38px;
  border-radius:50%;
  border:3px solid #fff;
  box-shadow:0 0 0 1px #e5e9f4
}

.workspace {
  padding:32px 35px 20px;
  max-width:1770px;
  margin:0 auto
}

.workspace-title-row {
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:28px
}

.eyebrow {
  font-size:10px;
  letter-spacing:1.5px;
  color:#8c96ad;
  font-weight:800;
  display:flex;
  gap:8px;
  align-items:center;
  margin-bottom:11px
}

.pulse-dot {
  width:6px;
  height:6px;
  background:#6cc8a4;
  border-radius:50%;
  box-shadow:0 0 0 4px #6cc8a419
}

.workspace h1 {
  font:800 clamp(22px,2.25vw,30px)/1.25 var(--font-heading);
  letter-spacing:-1.1px;
  margin:0;
  color:#17233e
}

.workspace h1 span {
  color:#5b69cb
}

.workspace-title-row p {
  font-size:12px;
  color:#99a3b3;
  margin:9px 0 0
}

.date-pill {
  background:#fff;
  border:1px solid #e8edf5;
  border-radius:10px;
  color:#7d89a1;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:11px;
  font-weight:700;
  padding:11px 14px;
  white-space:nowrap
}

.date-pill svg {
  width:15px;
  height:15px;
  color:#7c8adc
}

.mail-surface {
  border:1px solid var(--line);
  display:flex;
  background:#fff;
  border-radius:var(--radius);
  min-height:570px;
  height:min(700px,calc(100vh - 260px));
  box-shadow:var(--shadow);
  overflow:hidden
}

.mail-list-panel {
  width:38%;
  min-width:330px;
  max-width:455px;
  display:flex;
  flex-direction:column;
  border-right:1px solid var(--line)
}

.list-head {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:25px 23px 19px
}

.list-head h2 {
  font:800 20px var(--font-heading);
  letter-spacing:-.6px;
  margin:0
}

.list-head p {
  margin:7px 0 0;
  color:#9aa6b7;
  font-size:11px
}

.list-tools {
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--line);
  padding:0 22px 15px;
  gap:10px
}

.filter-switch {
  border-radius:9px;
  background:#f3f5fa;
  padding:4px;
  display:flex;
  align-items:center;
  gap:2px
}

.filter-switch button {
  border:0;
  border-radius:7px;
  background:transparent;
  color:#929cb0;
  font-size:11px;
  padding:7px 11px;
  font-weight:750
}

.filter-switch button.is-active {
  background:#fff;
  color:#5060d7;
  box-shadow:0 2px 8px #2947770b
}

.message-total {
  font-size:11px;
  color:#a3aec0;
  white-space:nowrap
}

.message-list {
  min-height:0;
  flex:1;
  overflow-y:auto;
  scrollbar-width:thin;
  scrollbar-color:#e0e5f0 transparent
}

.message-item {
  position:relative;
  display:grid;
  grid-template-columns:39px minmax(0,1fr);
  gap:11px;
  text-align:left;
  padding:16px 20px;
  border:0;
  border-bottom:1px solid #f0f2f8;
  width:100%;
  background:#fff;
  transition:background .16s
}

.message-item:hover {
  background:#f8f9ff
}

.message-item.is-selected {
  background:#f2f4ff;
  box-shadow:inset 3px 0 #5665e8
}

.message-item.is-unread .message-sender,.message-item.is-unread .message-subject {
  font-weight:800;
  color:#263454
}

.message-avatar {
  width:37px;
  height:37px;
  border-radius:12px;
  display:grid;
  place-items:center;
  font-size:11px;
  font-weight:800;
  flex-shrink:0
}

.message-body {
  min-width:0
}

.message-row {
  display:flex;
  align-items:center;
  gap:8px;
  justify-content:space-between
}

.message-sender {
  font-size:12px;
  font-weight:700;
  color:#4f5b73;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis
}

.message-time {
  white-space:nowrap;
  font-size:10px;
  color:#a1abbb
}

.message-subject {
  font-size:12px;
  font-weight:700;
  color:#5c6880;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  margin:5px 0
}

.message-snippet {
  font-size:11px;
  line-height:1.5;
  color:#a0abbd;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis
}

.message-bottom {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:7px;
  margin-top:10px
}

.message-tag {
  background:#f2f5fa;
  padding:5px 8px;
  color:#73819a;
  border-radius:6px;
  font-size:9px;
  font-weight:800
}

.message-tag.academic {
  color:#3986bc;
  background:#eaf5fd
}

.message-tag.institutional {
  color:#7965c1;
  background:#f1eeff
}

.message-tag.important {
  color:#b88a38;
  background:#fff4e2
}

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

.mini-star {
  width:14px;
  height:14px;
  fill:transparent;
  color:#b5bfd0
}

.mini-star.is-starred {
  fill:#f9be56;
  color:#f9be56
}

.attachment-icon {
  height:13px;
  width:13px;
  color:#aeb6c4
}

.unread-dot {
  width:6px;
  height:6px;
  border-radius:50%;
  background:#5f70ee
}

.list-foot {
  padding:15px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  border-top:1px solid var(--line);
  font-size:10px;
  color:#abb5c4
}

.list-foot svg {
  height:13px;
  width:13px;
  color:#8da2dc
}

.reader-panel {
  display:flex;
  flex-direction:column;
  min-width:0;
  flex:1
}

.reader-toolbar {
  height:68px;
  flex:0 0 68px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 27px
}

.toolbar-heading {
  font-size:10px;
  letter-spacing:1.3px;
  color:#a6afbd;
  font-weight:800
}

.reader-actions {
  display:flex;
  align-items:center;
  gap:6px
}

.toolbar-divider {
  height:20px;
  border-left:1px solid var(--line);
  margin:0 8px
}

.reader-actions .is-starred svg {
  fill:#f9be56;
  color:#f9be56
}

.reader-content {
  padding:33px clamp(24px,3.4vw,53px);
  overflow:auto;
  flex:1;
  min-height:0
}

.read-topline {
  display:flex;
  gap:7px;
  align-items:center;
  margin-bottom:16px
}

.read-type {
  padding:6px 10px;
  border-radius:6px;
  background:#eaf3ff;
  color:#5a7bca;
  font-weight:800;
  font-size:10px
}

.read-type.institutional {
  background:#f1edff;
  color:#8e74ca
}

.read-type.important {
  background:#fff4e2;
  color:#b88a38
}

.read-type.academic {
  background:#eaf5fd;
  color:#3986bc
}

.read-type.gray {
  background:#f3f4f8;
  color:#77849a
}

.read-date {
  color:#aab4c2;
  font-size:10px;
  margin-left:auto
}

.reader-content h2 {
  font:800 clamp(21px,2.1vw,28px)/1.4 var(--font-heading);
  color:#1c2944;
  letter-spacing:-.9px;
  margin:0 0 23px
}

.sender-line {
  display:flex;
  align-items:center;
  gap:11px;
  margin-bottom:29px
}

.sender-avatar {
  width:42px;
  height:42px;
  border-radius:13px;
  display:grid;
  place-items:center;
  font-weight:800;
  font-size:12px
}

.sender-data {
  min-width:0;
  flex:1
}

.sender-data strong {
  display:block;
  font-size:12px;
  color:#34425c
}

.sender-data span {
  display:block;
  margin-top:5px;
  font-size:11px;
  color:#99a4b7;
  overflow-wrap:anywhere
}

.read-message {
  font-size:13px;
  color:#647187;
  line-height:2;
  white-space:pre-line;
  max-width:680px;
  overflow-wrap:anywhere
}

.read-message strong {
  color:#253653
}

.reader-attachment {
  display:flex;
  align-items:center;
  gap:11px;
  margin-top:26px;
  padding:11px 13px;
  border:1px solid #e9edf5;
  border-radius:10px;
  max-width:280px;
  background:#fafbfe
}

.attachment-tile {
  height:33px;
  width:33px;
  background:#eaf0ff;
  color:#5a70cc;
  border-radius:9px;
  display:grid;
  place-items:center
}

.attachment-tile svg {
  width:16px;
  height:16px
}

.reader-attachment strong {
  font-size:11px;
  display:block
}

.reader-attachment small {
  font-size:10px;
  color:#9ba5b5;
  display:block;
  margin-top:3px
}

.read-bottom {
  margin-top:32px;
  padding-top:23px;
  border-top:1px solid #eff2f8;
  display:flex;
  align-items:center;
  gap:10px
}

.primary-btn {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  border:0;
  border-radius:10px;
  padding:12px 16px;
  color:#fff;
  background:linear-gradient(105deg,#5063ed,#775be8);
  font-size:12px;
  font-weight:750;
  box-shadow:0 8px 16px #5063ed24
}

.primary-btn:hover {
  filter:brightness(.98)
}

.primary-btn svg {
  height:16px;
  width:16px
}

.secondary-btn {
  border:1px solid #e3e8f3;
  background:#fff;
  color:#66758f;
  border-radius:10px;
  padding:11px 16px;
  font-size:12px;
  font-weight:750
}

.secondary-btn:hover {
  background:#f6f7fc
}

.demo-note {
  font-size:10px;
  color:#a2adbe;
  display:flex;
  align-items:center;
  gap:7px;
  margin:16px 2px
}

.demo-note svg {
  width:14px;
  height:14px
}

.empty-state {
  margin:auto;
  padding:40px 22px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  max-width:320px
}

.empty-state-icon {
  width:68px;
  height:68px;
  border-radius:22px;
  display:grid;
  place-items:center;
  background:#f1f3ff;
  color:#7c8ce5;
  margin-bottom:16px
}

.empty-state-icon svg {
  width:29px;
  height:29px
}

.empty-state strong {
  font:800 16px var(--font-heading)
}

.empty-state p {
  font-size:12px;
  line-height:1.7;
  color:#a0aabc
}

.reader-placeholder {
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  padding:30px;
  color:#9ca8ba;
  font-size:13px;
  line-height:1.7
}

.modal-backdrop {
  position:fixed;
  inset:0;
  z-index:100;
  background:#14213b91;
  backdrop-filter:blur(5px);
  display:flex;
  justify-content:center;
  align-items:center;
  padding:18px
}

.modal-backdrop[hidden] {
  display:none
}

.compose-window {
  width:min(650px,100%);
  max-height:calc(100vh - 30px);
  background:#fff;
  border-radius:20px;
  box-shadow:0 25px 75px #0c173e55;
  display:flex;
  flex-direction:column;
  overflow:hidden
}

.compose-head {
  padding:20px 25px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between
}

.compose-title {
  display:flex;
  align-items:center;
  gap:12px
}

.compose-mark {
  width:42px;
  height:42px;
  border-radius:13px;
  background:#eef0ff;
  color:#5c67d8;
  display:grid;
  place-items:center
}

.compose-mark svg {
  width:21px;
  height:21px
}

.compose-title h2 {
  margin:0;
  font:800 16px var(--font-heading)
}

.compose-title span:not(.compose-mark) {
  font-size:10px;
  color:#9ba6ba;
  margin-top:3px;
  display:block
}

.compose-window form {
  display:flex;
  flex-direction:column;
  min-height:0
}

.field-row {
  display:flex;
  align-items:center;
  padding:0 25px;
  min-height:61px;
  border-bottom:1px solid var(--line);
  gap:18px
}

.field-row label {
  min-width:53px;
  font-weight:750;
  font-size:12px;
  color:#7b8aa2
}

.field-row input {
  width:100%;
  height:59px;
  border:0;
  outline:0;
  font-size:12px;
  color:#26334d
}

.field-row input::placeholder,.compose-window textarea::placeholder {
  color:#adb7c6
}

.compose-window textarea {
  resize:vertical;
  min-height:220px;
  max-height:46vh;
  width:100%;
  padding:26px;
  border:0;
  outline:0;
  font-size:13px;
  color:#26334d;
  line-height:1.9
}

.compose-footer {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:17px 25px;
  border-top:1px solid var(--line)
}

.compose-alert {
  font-size:10px;
  color:#a3aebf;
  display:flex;
  gap:6px;
  align-items:center
}

.compose-alert svg {
  width:15px;
  height:15px
}

.compose-buttons {
  display:flex;
  gap:9px;
  white-space:nowrap
}

.toast {
  position:fixed;
  bottom:23px;
  right:25px;
  background:#1c2944;
  color:#fff;
  padding:14px 18px;
  border-radius:11px;
  font-weight:650;
  font-size:12px;
  box-shadow:0 15px 36px #16223935;
  z-index:150;
  transform:translateY(130px);
  opacity:0;
  transition:transform .25s,opacity .25s;
  max-width:calc(100vw - 50px)
}

.toast.visible {
  transform:translateY(0);
  opacity:1
}

.info-window {
  width:min(440px,100%);
  background:#fff;
  border-radius:20px;
  box-shadow:0 25px 70px #14213b48;
  padding:32px;
  position:relative
}

.info-close {
  position:absolute;
  right:15px;
  top:15px
}

.info-symbol {
  height:58px;
  width:58px;
  border-radius:18px;
  background:#eef0ff;
  color:var(--primary);
  display:grid;
  place-items:center;
  margin-bottom:18px
}

.info-symbol svg {
  height:30px;
  width:30px
}

.info-window h2 {
  font:800 21px var(--font-heading);
  margin:0 0 12px
}

.info-window p {
  font-size:12px;
  line-height:1.9;
  color:#77859b
}

.info-status {
  display:flex;
  justify-content:space-between;
  gap:8px;
  border-top:1px solid var(--line);
  padding:15px 0;
  font-size:11px;
  color:#77859b
}

.info-status strong {
  font-size:10px;
  color:#3b927a
}

.info-status strong.pending {
  color:#bf8a48
}

.info-ok {
  margin-top:13px;
  width:100%
}

.mobile-only {
  display:none
}

@media(max-width:1150px) {
  .sidebar {
    width:224px;
    flex-basis:224px
  }
  .main-area {
    width:calc(100% - 224px)
  }
  .workspace {
    padding:26px 22px
  }
  .topbar {
    padding:0 23px
  }
  .mail-list-panel {
    min-width:295px;
    width:42%
  }
  .reader-content {
    padding:26px
  }
  .message-item {
    padding:14px
  }
  .list-head {
    padding:20px 17px 16px
  }
  .list-tools {
    padding-left:17px;
    padding-right:17px
  }
}

@media(max-width:850px) {
  .mobile-only {
    display:inline-flex
  }
  .sidebar {
    position:fixed;
    left:0;
    top:0;
    bottom:0;
    transform:translateX(-102%);
    transition:transform .26s;
    box-shadow:0 10px 30px #18234622;
    width:270px;
    max-height:none
  }
  .app-shell.sidebar-open .sidebar {
    transform:translateX(0)
  }
  .mobile-scrim:not([hidden]) {
    position:fixed;
    inset:0;
    z-index:20;
    background:#16223988
  }
  .sidebar-close {
    margin-left:auto
  }
  .main-area {
    width:100%
  }
  .topbar {
    height:70px
  }
  .top-left,.top-actions {
    gap:10px
  }
  .workspace {
    padding:24px 18px
  }
  .mail-surface {
    height:calc(100vh - 236px);
    min-height:500px
  }
  .mail-list-panel {
    width:42%;
    min-width:275px;
    max-width:none
  }
  .search-wrap {
    width:min(330px,37vw)
  }
}

@media(max-width:680px) {
  .topbar {
    padding:0 15px;
    height:66px
  }
  .breadcrumb {
    display:none
  }
  .top-actions {
    width:100%;
    justify-content:flex-end
  }
  .search-wrap {
    flex:1;
    width:auto;
    max-width:400px
  }
  .search-wrap kbd,.top-help {
    display:none
  }
  .header-avatar {
    height:32px;
    width:32px;
    font-size:10px
  }
  .workspace {
    padding:21px 13px 10px
  }
  .workspace-title-row {
    margin-bottom:20px
  }
  .workspace h1 {
    font-size:24px
  }
  .workspace-title-row p {
    line-height:1.5;
    font-size:11px
  }
  .date-pill {
    display:none
  }
  .mail-surface {
    height:calc(100dvh - 225px);
    min-height:420px;
    border-radius:17px
  }
  .mail-list-panel {
    width:100%;
    min-width:0;
    max-width:none;
    border:0
  }
  .reader-panel {
    display:none
  }
  .app-shell.reader-open .mail-list-panel {
    display:none
  }
  .app-shell.reader-open .reader-panel {
    display:flex;
    width:100%
  }
  .reader-toolbar {
    padding:0 12px;
    height:58px;
    flex-basis:58px
  }
  .reader-actions {
    gap:0
  }
  .toolbar-heading {
    font-size:9px
  }
  .reader-content {
    padding:23px 22px
  }
  .message-item {
    grid-template-columns:36px 1fr;
    gap:10px;
    padding:14px 16px
  }
  .message-list {
    overscroll-behavior:contain
  }
  .demo-note {
    line-height:1.5
  }
  .compose-window {
    max-height:96dvh;
    border-radius:16px
  }
  .compose-head {
    padding:16px
  }
  .field-row {
    padding:0 17px
  }
  .compose-window textarea {
    padding:19px;
    min-height:175px
  }
  .compose-footer {
    padding:13px 17px;
    flex-direction:column;
    align-items:stretch
  }
  .compose-buttons {
    justify-content:flex-end
  }
  .compose-alert {
    justify-content:flex-end
  }
  .info-window {
    padding:24px
  }
}

@media(max-width:380px) {
  .workspace h1 {
    font-size:21px
  }
  .eyebrow {
    font-size:9px
  }
  .reader-content h2 {
    font-size:20px
  }
  .reader-toolbar .small-icon-btn {
    width:29px
  }
  .compose-buttons {
    flex-direction:column
  }
  .compose-buttons button {
    width:100%
  }
}

@media(prefers-reduced-motion:reduce) {
  *,*:before,*:after {
    transition:none!important;
    animation:none!important;
    scroll-behavior:auto!important
  }
}

/* MISIGAD Mail · login y separación clara de modo demostración/real */
[hidden] {display:none !important}
.mail-auth {min-height:100vh;min-height:100dvh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 10%,#dfeaff 0,transparent 38%),linear-gradient(140deg,#f7f9fe,#e8f0ff)}
.auth-card {width:min(100%,445px);padding:44px 36px;background:#fff;border:1px solid #e0e9f7;border-radius:25px;box-shadow:0 24px 65px rgba(24,52,106,.09);color:#20304f}
.auth-logo {width:58px;height:58px;display:grid;place-items:center;border-radius:17px;background:#e8efff;color:#3859b9;font-size:32px;margin-bottom:23px}
.auth-kicker {letter-spacing:.17em;font-size:10px;font-weight:800;color:#6681bd}
.auth-card h1 {font-size:28px;letter-spacing:-.05em;margin:10px 0 10px;line-height:1.18;font-weight:800}
.auth-card h1 span {color:#3a60c5}
.auth-card p {font-size:14px;color:#7a8aa5;line-height:1.65;margin:0 0 22px}
.auth-alert {font-size:13px;background:#fff7e8;border:1px solid #f5dbad;color:#936a20;padding:12px 13px;border-radius:12px;line-height:1.5}
#loginForm {display:flex;flex-direction:column;margin-top:18px;gap:8px}
#loginForm label {font-size:12px;font-weight:750;color:#3f5072;margin-top:7px}
#loginForm input {height:46px;padding:0 13px;border:1px solid #d5dfee;border-radius:11px;outline:none;color:#243a61;background:#fff;font:inherit}
#loginForm input:focus {border-color:#5376d2;box-shadow:0 0 0 3px #dfe8ff}
.auth-submit {margin-top:13px;width:100%;justify-content:center;min-height:46px}
.demo-link {display:block;margin-top:21px;text-align:center;color:#4667bd;text-decoration:none;font-size:13px;font-weight:700}
.demo-link:hover {text-decoration:underline}
.auth-card small {display:block;margin-top:20px;color:#91a0b6;font-size:11px;text-align:center}
.mode-notice {background:#fff4df;color:#815b0e;border-bottom:1px solid #f5dea5;font-weight:700;font-size:11px;text-align:center;padding:9px;letter-spacing:.025em}
.mode-notice.is-real {background:#e7f6ef;color:#17754f;border-bottom:1px solid #bce5d2}
.logout-btn {background:#fff;color:#536688;border:1px solid #dce4f1;padding:9px 12px;border-radius:10px;font-weight:700;cursor:pointer}
.logout-btn:hover {background:#f0f4ff}
@media(max-width:500px) {.auth-card{padding:30px 22px;border-radius:20px}.auth-card h1{font-size:25px}}