:root {
  --bg-root: #09090b;
  --bg-card: #111113;
  --bg-surface: #18181b;
  --bg-hover: #222226;
  --border: #27272a;
  --border-strong: #3f3f46;
  --text-1: #f4f4f5;
  --text-2: #a1a1aa;
  --text-3: #8b8b96;
  --ok: #4ade80;
  --err: #f87171;
  --warn: #fbbf24;
  --accent: #67e8f9;
  --code: #fbbf24;
  --radius: 12px;
  --radius-sm: 8px;
  --header-h: 58px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}

* { box-sizing: border-box; }
html { color-scheme: dark; height: 100%; }
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(1200px 500px at 12% -10%, rgba(103, 232, 249, 0.07), transparent 55%),
    radial-gradient(900px 400px at 90% 0%, rgba(74, 222, 128, 0.05), transparent 50%),
    var(--bg-root);
  color: var(--text-1);
  font: 13px/1.45 "Segoe UI", Inter, system-ui, -apple-system, sans-serif;
  letter-spacing: 0.01em;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--header-h);
  padding: 0 16px;
  background: color-mix(in srgb, var(--bg-root) 82%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 148px; }
.brand h1 { font-size: 0.92rem; margin: 0; font-weight: 650; letter-spacing: 0.04em; }
.logo {
  width: 28px; height: 28px; border-radius: 8px;
  display: block;
  box-shadow: 0 0 0 1px color-mix(in srgb, #7ec2ff 35%, var(--border)), 0 6px 14px rgba(11, 92, 171, 0.32);
}
.search { flex: 1; position: relative; max-width: 640px; }
.search svg {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px; color: var(--text-3); pointer-events: none;
}
.search input, .field {
  width: 100%;
  background: var(--bg-surface);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 14px 9px 36px;
  outline: none;
  transition: border-color 0.15s, background 0.15s;
}
.search input:focus, .field:focus {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  background: #1c1c20;
}
.stack .field, .stack textarea {
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}
.stack textarea { resize: vertical; min-height: 72px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.48rem 0.95rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-1);
  transition: background 0.15s, border-color 0.15s, transform 0.12s, color 0.15s;
  white-space: nowrap;
}
.btn:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid color-mix(in srgb, var(--accent) 70%, transparent); outline-offset: 2px; }
.btn-ok {
  border-color: color-mix(in srgb, var(--ok) 35%, var(--border));
  color: var(--ok);
  background: #102016;
}
.btn-ok:hover { background: #14281c; }
.btn-ghost { background: transparent; }
.icon-btn {
  width: 34px; height: 34px; padding: 0;
  display: grid; place-items: center;
  border-radius: 10px;
}
.icon-btn svg { width: 16px; height: 16px; }
.top-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.status {
  color: var(--text-2);
  font-size: 0.72rem;
  white-space: nowrap;
}

.toast {
  margin: 10px 16px 0;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: #102016;
  border: 1px solid color-mix(in srgb, var(--ok) 35%, var(--border));
  color: var(--ok);
  font-size: 12px;
}

.layout {
  display: grid;
  grid-template-columns: 248px minmax(340px, 38%) 1fr;
  height: calc(100vh - var(--header-h));
}
.folders {
  background: color-mix(in srgb, var(--bg-card) 88%, transparent);
  border-right: 1px solid var(--border);
  overflow: auto;
  padding: 12px 10px 20px;
}
.section-label {
  margin: 14px 10px 6px;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 650;
}
.section-label.folders-label,
.section-label.accounts-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.add-folder {
  width: 20px; height: 20px; padding: 0;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-1);
  font-size: 14px; line-height: 1; font-weight: 650;
  cursor: pointer;
}
.add-folder:hover { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
.new-folder { margin: 0 6px 8px; }
.new-folder .field { padding: 6px 10px; border-radius: 8px; }
.section-label .n {
  letter-spacing: 0;
  text-transform: none;
  font-size: 11px;
}
.box-search {
  position: relative;
  display: block;
  margin: 0 4px 10px;
}
.box-search svg {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 13px; height: 13px; color: var(--text-3); pointer-events: none;
}
.box-search input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 10px 7px 30px;
  outline: none;
}
.box-search input:focus {
  border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
}
.folder, .folder-row {
  display: flex;
  align-items: center;
  gap: 8px;
  border-radius: 10px;
  color: var(--text-1);
}
.folder[hidden], .folder-row[hidden] { display: none; }
.folder {
  justify-content: space-between;
  padding: 6px 10px;
}
.folder-row { padding: 2px 4px 2px 6px; }
.folder-row a {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 4px;
}
.folder-copy, .from, .subj, .cut {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.folder-copy { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.folder-copy small { color: var(--text-3); font-size: 10px; }
.folder.is-on, .folder-row.is-on, .row.is-on { background: #16202a; }
.folder:hover, .folder-row:hover, .row:hover { background: var(--bg-hover); }
.row.is-picked, .row.is-picked:hover { background: color-mix(in srgb, var(--accent) 12%, var(--bg-card)); }
.n { color: var(--text-3); font-variant-numeric: tabular-nums; font-size: 11px; }
.sync-mini {
  width: 28px; height: 28px; padding: 0;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
}
.sync-mini:hover { color: var(--accent); border-color: var(--border); background: var(--bg-surface); }

.list { overflow: auto; border-right: 1px solid var(--border); background: var(--bg-card); }
.list-head {
  position: sticky; top: 0; z-index: 2;
  display: flex; align-items: center; gap: 8px;
  min-height: 34px; padding: 0 8px 0 6px;
  color: var(--text-3); font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border); background: var(--bg-card);
}
.list-head .head-title { flex: 0 1 auto; }
.pick-match {
  padding: 0.22rem 0.55rem;
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
}
.pick-match.is-on {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--accent);
}
.pick-match[hidden] { display: none; }
.pick-match:disabled { opacity: 0.4; cursor: default; }
.page-size {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-3);
  font-size: 11px;
  font-weight: 600;
}
.page-size[hidden] { display: none; }
.page-size select {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 3px 6px;
  color: var(--text-1);
  font-size: 12px;
}
.list-head .head-count { margin-left: 0; }
.pick-all, .pick-wrap {
  display: grid; place-items: center;
  width: 22px; height: 22px;
  cursor: pointer;
}
.pick-all input, .pick { margin: 0; accent-color: var(--accent); cursor: pointer; }
.bulk-bar {
  display: flex; align-items: center; gap: 6px; flex: 1;
  text-transform: none; letter-spacing: 0;
  color: var(--text-1);
}
.bulk-bar[hidden] { display: none; }
.bulk-bar select {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px 8px;
  max-width: 160px;
}
.bulk-bar .btn { padding: 0.28rem 0.6rem; font-size: 11px; }
.btn-danger {
  border-color: color-mix(in srgb, var(--err) 40%, var(--border));
  color: var(--err);
  background: #1a1010;
}
.btn-danger:hover { background: #241414; }
.live-banner {
  display: block;
  padding: 6px 12px;
  background: color-mix(in srgb, var(--accent) 16%, var(--bg-card));
  color: var(--accent);
  font-size: 12px;
  font-weight: 650;
  border-bottom: 1px solid var(--border);
}
.live-banner[hidden] { display: none; }
.row {
  display: grid;
  grid-template-columns: 22px 10px 118px minmax(0, 1fr) 52px 22px;
  gap: 6px;
  padding: 3px 8px 3px 6px;
  border-bottom: 1px solid var(--border);
  color: var(--text-1);
  min-height: 32px;
  align-items: center;
  cursor: pointer;
}
.row.is-new {
  animation: rowIn 1.2s ease;
}
@keyframes rowIn {
  from { background: color-mix(in srgb, var(--accent) 22%, var(--bg-card)); }
  to { background: transparent; }
}
.row.is-picked { background: color-mix(in srgb, var(--accent) 10%, var(--bg-card)); }
.row.unread .from, .row.unread .subj { font-weight: 650; color: var(--text-1); }
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: transparent;
}
.row.unread .dot { background: var(--accent); box-shadow: 0 0 0 3px rgba(103, 232, 249, 0.12); }
.row-main { min-width: 0; }
.from { font-size: 12px; }
.subj-line {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  overflow: hidden;
}
.subj { color: var(--text-2); font-size: 12px; margin: 0; flex-shrink: 0; max-width: 55%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview { color: var(--text-3); font-size: 11px; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.when { color: var(--text-3); text-align: right; font-variant-numeric: tabular-nums; font-size: 11px; padding: 0; }
.row-del {
  width: 20px; height: 20px; padding: 0;
  border: 0; border-radius: 6px;
  background: transparent;
  color: var(--text-3);
  cursor: pointer;
  opacity: 0;
  font-size: 16px; line-height: 1;
}
.row:hover .row-del, .row.is-picked .row-del, .row.is-on .row-del { opacity: 1; }
.row-del:hover { color: var(--err); background: #1a1010; }
.code, .chip {
  color: var(--code);
  font-style: normal; font-weight: 700;
  background: #1c1810;
  border: 1px solid color-mix(in srgb, var(--warn) 32%, var(--border));
  border-radius: 999px;
  padding: 1px 7px;
  cursor: pointer;
  font-size: 11px;
}
.chip.junk {
  color: var(--err);
  background: #1a1010;
  border-color: color-mix(in srgb, var(--err) 32%, var(--border));
  cursor: default;
}

.read { overflow: auto; background: var(--bg-root); min-width: 0; display: flex; flex-direction: column; }
.read-head { padding: 18px 22px 14px; border-bottom: 1px solid var(--border); }
.read-head h2 { margin: 0 0 8px; font-size: 1.15rem; font-weight: 650; letter-spacing: 0.01em; }
.read-head p { margin: 0; color: var(--text-2); font-size: 12px; }
.read-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.frame { width: 100%; flex: 1; min-height: 280px; border: 0; background: #fff; display: block; }
.frame.tall { height: 72vh; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.plain { margin: 0; padding: 18px 22px; white-space: pre-wrap; color: var(--text-2); }
.muted { color: var(--text-2); }
.small { font-size: 11px; }
.pad { padding: 22px; }
.empty {
  display: grid; place-items: center;
  height: 100%;
  color: var(--text-3);
  text-align: center;
  gap: 6px;
  padding: 32px;
}
.empty strong { color: var(--text-1); font-weight: 650; }

.stack { display: flex; flex-direction: column; gap: 8px; padding: 8px 4px 12px; }
details.panel {
  margin: 8px 6px 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-2);
  padding: 0;
}
details.panel summary {
  cursor: pointer;
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-1);
  list-style: none;
}
details.panel summary::-webkit-details-marker { display: none; }
.pager { display: flex; justify-content: space-between; padding: 10px 12px; }
.pager a { color: var(--accent); font-weight: 600; font-size: 12px; }
.detail { max-width: 960px; margin: 0 auto; padding: 16px; }
.meta { color: var(--text-2); }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; height: auto; }
  .folders, .list { border-right: 0; }
  .read { min-height: 50vh; }
  .search { max-width: none; }
  .status { display: none; }
}

.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card {
  width: min(380px, 92vw);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex; flex-direction: column; gap: 10px;
  box-shadow: var(--shadow);
}
.login-card h1 { font-size: 1rem; }
.login-card .field { padding-left: 12px; border-radius: var(--radius-sm); }
.login-card .btn { margin-top: 8px; justify-content: center; }
.login-error { margin: 0; color: var(--err); font-size: 12px; }