/* mailplat v2 — system fonts, no external resources */
:root {
  --bg: #f4f5f7; --bg-2: #ffffff; --bg-3: #eceef2; --fg: #16181d; --fg-2: #5b6170; --fg-3: #8d93a1;
  --line: #e3e6ec; --line-2: #d3d7df;
  --acc: #2b6b5a; --acc-2: #e6f1ed; --acc-fg: #ffffff;
  --danger: #b4392b; --danger-2: #fbe9e6; --ok: #2f7a45; --ok-2: #e5f3e9; --warn: #9a6b0f; --warn-2: #fbf1d8;
  --shadow: 0 1px 2px rgba(20,24,32,.06), 0 8px 24px rgba(20,24,32,.08);
  --r: 12px; --r-s: 8px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
:root[data-theme="dark"] {
  --bg: #111318; --bg-2: #181b22; --bg-3: #20242d; --fg: #e8eaef; --fg-2: #a4aab7; --fg-3: #737a89;
  --line: #262a34; --line-2: #333846;
  --acc: #6fc0a6; --acc-2: #1c2f2a; --acc-fg: #0d1512;
  --danger: #ef7d6e; --danger-2: #3a1f1b; --ok: #79c98d; --ok-2: #1a2e20; --warn: #e2b656; --warn-2: #34290f;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px rgba(0,0,0,.45);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111318; --bg-2: #181b22; --bg-3: #20242d; --fg: #e8eaef; --fg-2: #a4aab7; --fg-3: #737a89;
    --line: #262a34; --line-2: #333846;
    --acc: #6fc0a6; --acc-2: #1c2f2a; --acc-fg: #0d1512;
    --danger: #ef7d6e; --danger-2: #3a1f1b; --ok: #79c98d; --ok-2: #1a2e20; --warn: #e2b656; --warn-2: #34290f;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 12px 32px rgba(0,0,0,.45);
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 14.5px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--acc); }
button, input, select, textarea { font: inherit; color: inherit; }
code, pre, .mono { font-family: var(--mono); }
h1, h2, h3 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 22px; } h2 { font-size: 16px; } h3 { font-size: 14px; }
.muted { color: var(--fg-2); } .faint { color: var(--fg-3); } .small { font-size: 12.5px; }
.sr { position: absolute; left: -9999px; }
svg.i { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---- buttons & inputs ---- */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: var(--r-s); border: 1px solid var(--line-2); background: var(--bg-2); cursor: pointer; transition: background .12s, border-color .12s, transform .05s; white-space: nowrap; }
.btn:hover { background: var(--bg-3); } .btn:active { transform: translateY(1px); }
.btn.primary { background: var(--acc); border-color: var(--acc); color: var(--acc-fg); font-weight: 600; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }
.btn.danger:hover { background: var(--danger-2); }
.btn.ghost { border-color: transparent; background: transparent; } .btn.ghost:hover { background: var(--bg-3); }
.btn.sm { padding: 5px 10px; font-size: 13px; } .btn.icon { padding: 7px; }
.btn[disabled] { opacity: .55; cursor: default; pointer-events: none; }
.btn.block { width: 100%; justify-content: center; }
.field { display: block; margin: 12px 0; }
.field > span { display: block; font-size: 12.5px; color: var(--fg-2); margin-bottom: 5px; font-weight: 500; }
.input, textarea, select { width: 100%; padding: 9px 11px; border: 1px solid var(--line-2); border-radius: var(--r-s); background: var(--bg-2); outline: none; transition: border-color .12s, box-shadow .12s; }
.input:focus, textarea:focus, select:focus { border-color: var(--acc); box-shadow: 0 0 0 3px var(--acc-2); }
textarea { min-height: 200px; resize: vertical; line-height: 1.5; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.stack > * + * { margin-top: 12px; }
.card { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; }
.card + .card { margin-top: 16px; }
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: var(--bg-3); color: var(--fg-2); }
.badge.ok { background: var(--ok-2); color: var(--ok); } .badge.bad { background: var(--danger-2); color: var(--danger); } .badge.warn { background: var(--warn-2); color: var(--warn); } .badge.acc { background: var(--acc-2); color: var(--acc); }
.kbd { font: 11.5px var(--mono); padding: 1px 6px; border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 5px; background: var(--bg-2); }
.bar { height: 6px; border-radius: 3px; background: var(--bg-3); overflow: hidden; } .bar i { display: block; height: 100%; background: var(--acc); border-radius: 3px; transition: width .3s; }
table.t { width: 100%; border-collapse: collapse; } .t th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--fg-3); padding: 8px 10px; border-bottom: 1px solid var(--line); } .t td { padding: 10px; border-bottom: 1px solid var(--line); vertical-align: top; } .t tr:last-child td { border-bottom: 0; }
.empty { text-align: center; padding: 48px 20px; color: var(--fg-3); } .empty svg.i { width: 36px; height: 36px; margin-bottom: 10px; opacity: .6; }
.spinner { width: 22px; height: 22px; border: 2.5px solid var(--line-2); border-top-color: var(--acc); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.boot { height: 100vh; display: grid; place-items: center; }
.center { display: grid; place-items: center; min-height: 100vh; padding: 24px; }

/* ---- auth ---- */
.auth { width: 100%; max-width: 400px; }
.auth .brand { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.brand .logo { width: 34px; height: 34px; border-radius: 10px; background: var(--acc); color: var(--acc-fg); display: grid; place-items: center; }
.auth .tabs { display: flex; gap: 4px; background: var(--bg-3); padding: 4px; border-radius: 10px; margin-bottom: 8px; }
.auth .tabs button { flex: 1; border: 0; background: transparent; padding: 7px; border-radius: 7px; cursor: pointer; color: var(--fg-2); font-weight: 500; }
.auth .tabs button.on { background: var(--bg-2); color: var(--fg); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.note { padding: 10px 12px; border-radius: var(--r-s); font-size: 13px; background: var(--warn-2); color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); }
.note.info { background: var(--acc-2); color: var(--acc); border-color: color-mix(in srgb, var(--acc) 30%, transparent); }
.zero { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--acc); }

/* ---- app shell ---- */
.shell { display: grid; grid-template-columns: 220px 1fr; height: 100vh; }
.side { background: var(--bg-2); border-right: 1px solid var(--line); display: flex; flex-direction: column; padding: 14px 10px; gap: 4px; min-height: 0; }
.side .brand { padding: 4px 8px 14px; }
.side .nav { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--fg-2); text-decoration: none; cursor: pointer; border: 0; background: none; width: 100%; text-align: left; }
.side .nav:hover { background: var(--bg-3); color: var(--fg); } .side .nav.on { background: var(--acc-2); color: var(--acc); font-weight: 600; }
.side .nav .count { margin-left: auto; font-size: 11.5px; background: var(--bg-3); padding: 1px 7px; border-radius: 999px; color: var(--fg-2); }
.side .nav.on .count { background: color-mix(in srgb, var(--acc) 18%, transparent); color: var(--acc); }
.side .sep { height: 1px; background: var(--line); margin: 8px 6px; }
.side .grow { flex: 1; }
.side .user { padding: 10px; font-size: 12.5px; color: var(--fg-2); border-top: 1px solid var(--line); margin-top: 6px; }
.side .user b { color: var(--fg); display: block; }
.main { min-width: 0; min-height: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--bg-2); }
.topbar .search { flex: 1; max-width: 460px; position: relative; }
.topbar .search svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--fg-3); }
.topbar .search .input { padding-left: 34px; }
.page { padding: 24px; overflow: auto; max-width: 960px; width: 100%; }
.page h1 { margin-bottom: 4px; } .page .lead { color: var(--fg-2); margin-bottom: 18px; }

/* ---- mail ---- */
.mail { display: grid; grid-template-columns: minmax(300px, 380px) 1fr; flex: 1; min-height: 0; }
.list { border-right: 1px solid var(--line); overflow: auto; background: var(--bg-2); display: flex; flex-direction: column; }
.list .rows { flex: 1; }
.msgrow { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 11px 14px; border-bottom: 1px solid var(--line); cursor: pointer; position: relative; }
.msgrow:hover { background: var(--bg-3); } .msgrow.sel { background: var(--acc-2); } .msgrow.cur::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--acc); }
.msgrow .who { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msgrow .when { font-size: 12px; color: var(--fg-3); white-space: nowrap; }
.msgrow .subj { grid-column: 1 / -1; color: var(--fg-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; align-items: center; gap: 6px; }
.msgrow.unread .who, .msgrow.unread .subj { color: var(--fg); font-weight: 650; }
.msgrow.unread .who::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--acc); margin-right: 7px; vertical-align: 1px; }
.msgrow .subj svg.i { width: 14px; height: 14px; color: var(--fg-3); }
.list .foot { padding: 10px; text-align: center; border-top: 1px solid var(--line); }
.reader { overflow: auto; min-width: 0; }
.reader .inner { padding: 24px 28px; max-width: 860px; }
.reader .subject { font-size: 20px; font-weight: 650; margin-bottom: 12px; letter-spacing: -.01em; }
.reader .meta { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; font-size: 13px; color: var(--fg-2); margin-bottom: 14px; }
.reader .meta b { color: var(--fg-3); font-weight: 500; }
.reader .actions { display: flex; gap: 6px; flex-wrap: wrap; padding: 10px 0 16px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.reader .body { white-space: pre-wrap; word-wrap: break-word; line-height: 1.6; font-size: 15px; }
.reader .attach { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.reader .attach a { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border: 1px solid var(--line-2); border-radius: 8px; text-decoration: none; color: var(--fg); font-size: 13px; background: var(--bg-2); }
.reader .attach a:hover { background: var(--bg-3); }
.reader iframe { width: 100%; min-height: 60vh; border: 1px solid var(--line); border-radius: var(--r-s); background: #fff; }
.reader pre.src { background: var(--bg-3); padding: 12px; border-radius: var(--r-s); overflow: auto; font-size: 12px; white-space: pre-wrap; word-break: break-all; }
.reader .placeholder { height: 100%; display: grid; place-items: center; color: var(--fg-3); }

/* ---- modals / slide-over ---- */
.overlay { position: fixed; inset: 0; background: rgba(10,12,16,.45); display: grid; place-items: center; z-index: 50; padding: 16px; animation: fade .12s; }
@keyframes fade { from { opacity: 0 } }
.modal { width: 100%; max-width: 520px; background: var(--bg-2); border-radius: 14px; box-shadow: var(--shadow); padding: 22px; max-height: 92vh; overflow: auto; }
.modal.wide { max-width: 760px; }
.modal h2 { margin-bottom: 14px; }
.compose { width: 100%; max-width: 760px; }
.compose .hdr { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.compose textarea { min-height: 260px; }
.compose .files { font-size: 12.5px; color: var(--fg-2); }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: var(--fg); color: var(--bg); padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow); font-size: 13.5px; animation: up .18s; max-width: 360px; }
.toast.err { background: var(--danger); color: #fff; } .toast.ok { background: var(--ok); color: #fff; }
@keyframes up { from { transform: translateY(8px); opacity: 0 } }
.shortcuts { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; align-items: center; }
.amount { font: 600 32px/1.2 var(--mono); letter-spacing: .01em; word-break: break-all; }
.addr { font: 14px var(--mono); word-break: break-all; padding: 10px 12px; background: var(--bg-3); border-radius: var(--r-s); }
.plan-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.plan { border: 1px solid var(--line); border-radius: var(--r); padding: 16px; }
.plan.on { border-color: var(--acc); background: var(--acc-2); }
.plan .price { font-size: 22px; font-weight: 650; margin: 6px 0; }
.plan ul { padding-left: 18px; margin: 8px 0 0; color: var(--fg-2); }
.copy { cursor: pointer; }
.pulse { animation: pulse 1.6s ease-in-out infinite; } @keyframes pulse { 50% { opacity: .45 } }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .side { flex-direction: row; overflow-x: auto; padding: 8px; border-right: 0; border-bottom: 1px solid var(--line); align-items: center; }
  .side .brand { padding: 0 8px; } .side .sep, .side .user, .side .grow { display: none; }
  .side .nav { width: auto; white-space: nowrap; padding: 6px 10px; }
  .mail { grid-template-columns: 1fr; }
  .mail.reading .list { display: none; } .mail:not(.reading) .reader { display: none; }
  .list { border-right: 0; }
  .reader .inner { padding: 16px; }
  .plan-grid { grid-template-columns: 1fr; }
  .page { padding: 16px; }
}

/* ---- v2.1: star, auth badges, plans, mail apps ---- */
.msgrow .when { display: flex; align-items: center; gap: 6px; }
.star { border: 0; background: none; padding: 0; cursor: pointer; color: var(--fg-3); display: inline-flex; opacity: 0; transition: opacity .12s, color .12s; }
.star svg.i { width: 15px; height: 15px; }
.msgrow:hover .star, .msgrow.flagged .star { opacity: 1; }
.msgrow.flagged .star { color: var(--warn); }
.star:hover { color: var(--warn); }
svg.i.on { fill: currentColor; }
.authline { display: flex; gap: 6px; flex-wrap: wrap; margin: -4px 0 14px; }
.plan-grid { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.plan { display: flex; flex-direction: column; }
.plan ul { flex: 1; }
.plan .price { color: var(--fg); }
.plan.on .price { color: var(--acc); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; align-items: center; font-size: 13.5px; }
.kv .k { color: var(--fg-2); }
.kv .v { word-break: break-all; }
.switch input { width: 18px; height: 18px; accent-color: var(--acc); }