:root {
  color-scheme: dark;
  --bg: #0b1017;
  --panel: #121a25;
  --raised: #192332;
  --field: #0e151f;
  --ink: #e5edf5;
  --muted: #96a8bb;
  --line: #273344;
  --accent: #77dcc2;
  --accent-dim: #182f2d;
  --danger: #ff9f9f;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(ellipse at 12% 0, #15262c 0, transparent 42rem), var(--bg);
  color: var(--ink);
  font: 15px/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { color: #b4f5e4; }
button, a, input, select { transition: background-color .15s, border-color .15s, color .15s; }
::selection { background: #315c57; color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.skip-link { position: absolute; top: -80px; left: 16px; z-index: 2; padding: 12px; background: var(--panel); }
.skip-link:focus { top: 8px; }
.site-header { background: #0d141ee6; border-bottom: 1px solid var(--line); }
.header-inner { max-width: 1160px; min-height: 82px; margin: auto; padding: 16px 28px; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; gap: 10px; color: var(--ink); text-decoration: none; font-size: 23px; font-weight: 730; letter-spacing: -.8px; }
.brand:hover { color: var(--ink); }
.brand-dot { color: var(--accent); margin-left: -10px; }
.brand-mark { display: grid; place-items: center; width: 37px; height: 37px; background: var(--accent-dim); border: 1px solid #31544f; border-radius: 11px; color: var(--accent); }
.brand-mark svg { width: 23px; height: 23px; }
.main-nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.main-nav > a, .main-nav button.link { color: var(--muted); padding: 8px 12px; border-radius: 7px; text-decoration: none; font-size: 13px; font-weight: 550; }
.main-nav > a:hover, .main-nav button.link:hover { color: var(--ink); background: var(--raised); }
.main-nav > a[aria-current] { color: var(--accent); background: var(--accent-dim); }
.main-nav form { margin: 0; }
.header-note { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 12px; }
.status-dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
main { max-width: 1160px; margin: 0 auto; padding: 30px 28px 60px; min-height: calc(100vh - 175px); }
.identity { display: flex; align-items: center; gap: 10px; margin-bottom: 38px; color: var(--muted); font-size: 12px; min-width: 0; }
.avatar { width: 28px; height: 28px; display: grid; place-items: center; flex-shrink: 0; background: var(--raised); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; font-size: 11px; font-weight: 650; }
.identity-address { overflow-wrap: anywhere; min-width: 0; }
.badge { display: inline-block; padding: 3px 7px; border: 1px solid var(--line); border-radius: 5px; font-size: 10px; font-weight: 650; letter-spacing: .7px; color: var(--muted); white-space: nowrap; }
.badge-accent { border-color: #31544f; color: var(--accent); background: var(--accent-dim); }
.heading, .section-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.heading { margin-bottom: 24px; }
.eyebrow { color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: 2px; margin: 0 0 6px; }
h1 { font-size: clamp(25px, 3vw, 32px); line-height: 1.25; font-weight: 650; letter-spacing: -.9px; margin: 0; overflow-wrap: anywhere; }
h2 { font-size: 16px; font-weight: 600; letter-spacing: -.2px; margin: 0 0 12px; }
.muted, small { color: var(--muted); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 26px; margin: 18px 0; box-shadow: 0 12px 36px #00000012; }
.inbox-controls { display: flex; align-items: center; justify-content: flex-end; gap: 16px; }
.sync-status { font-size: 12px; color: var(--muted); }
.sync-status::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--muted); margin-right: 8px; vertical-align: 1px; }
.sync-status[data-state="live"]::before { background: var(--accent); box-shadow: 0 0 8px #77dcc226; }
.sync-status[data-state="error"], .pending { color: #efca88; }
.sync-status[data-state="error"]::before { background: #efca88; }
.mailbox-summary { display: flex; align-items: center; gap: 22px; padding: 16px 3px; color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); }
.mailbox-summary strong { color: var(--ink); font-weight: 600; }
.mailbox-summary .unread-count strong { color: var(--accent); }
.mailbox-storage { margin-left: auto; font-size: 12px; color: var(--ink); }
.mail-list { padding: 0 24px; margin-top: 0; overflow: hidden; }
.mail-row { display: flex; align-items: center; gap: 15px; padding: 22px 0; text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line); }
.mail-row:last-child { border-bottom: 0; }
.mail-row:hover { color: var(--ink); background: #ffffff03; }
.mail-row:focus-visible { outline-offset: -2px; border-radius: 4px; }
.mail-indicator { flex-shrink: 0; width: 7px; height: 7px; border: 1px solid #4e5e71; border-radius: 50%; }
.unread .mail-indicator { border-color: var(--accent); background: var(--accent); }
.mail-info { min-width: 0; flex: 1; }
.mail-info strong { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 14px; font-weight: 450; color: #bdc9d5; }
.unread .mail-info strong { color: var(--ink); font-weight: 650; }
.mail-info small { display: block; margin-top: 4px; font-size: 12px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.meta { text-align: right; flex-shrink: 0; color: var(--muted); font-size: 11px; }
.meta small { display: block; margin-top: 4px; font-size: 11px; }
.unread-label { display: inline-block; color: var(--accent); margin-right: 10px; font-size: 10px; }
.empty { text-align: center; padding: 64px 18px; color: var(--muted); }
.empty-icon { display: grid; place-items: center; width: 52px; height: 52px; margin: 0 auto 20px; background: var(--raised); border: 1px solid var(--line); border-radius: 15px; font-size: 24px; color: var(--accent); }
.empty h2 { color: var(--ink); font-size: 18px; }
.empty p { font-size: 13px; max-width: 420px; margin: auto; overflow-wrap: anywhere; }
.empty strong { font-weight: 500; }
button, .button { display: inline-flex; justify-content: center; align-items: center; min-height: 39px; padding: 9px 16px; border: 1px solid transparent; border-radius: 7px; background: var(--accent); color: #0b2925; font: inherit; font-size: 13px; font-weight: 650; line-height: 1.4; cursor: pointer; text-decoration: none; }
button:hover, .button:hover { background: #9ce9d5; color: #0b2925; }
button.secondary, .button.secondary { background: var(--raised); border-color: var(--line); color: var(--ink); }
button.secondary:hover, .button.secondary:hover { background: #243246; border-color: #46586d; }
button.link { background: none; font-weight: 500; }
.narrow { max-width: 490px; margin: 54px auto; }
.form-panel { padding: 36px; background: linear-gradient(150deg, #17232e, var(--panel) 55%); }
.form-panel h1 { font-size: 26px; margin-top: 8px; }
.form-domain { margin-top: 10px; margin-bottom: 28px; font-size: 13px; }
.form-panel form > p { margin: 22px 0; }
.form-panel form > button { width: 100%; margin-top: 6px; }
label { display: block; font-weight: 550; font-size: 13px; color: #c7d3df; margin-bottom: 8px; }
input:not([type="checkbox"]):not([type="hidden"]), select { width: 100%; padding: 11px 13px; border: 1px solid #354358; border-radius: 7px; color: var(--ink); background: var(--field); font: inherit; font-size: 14px; }
input:hover, select:hover { border-color: #60738b; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); cursor: pointer; }
.helptext, .form-panel form > ul { display: block; font-size: 12px; color: var(--muted); line-height: 1.6; margin-top: 8px; }
.form-panel form > ul { padding-left: 18px; }
.errorlist { color: var(--danger); padding-left: 18px; font-size: 13px; }
.notice { padding: 13px 15px; background: var(--field); border-left: 2px solid #53677c; border-radius: 4px; color: #b9c7d5; font-size: 13px; overflow-wrap: anywhere; }
.danger { color: var(--danger); }
.danger:hover { color: #ffc6c6; }
.actions { display: flex; align-items: center; gap: 24px; margin-top: 24px; font-size: 13px; }
.back-link { margin: 0 0 18px; font-size: 13px; }
.back-link a { color: var(--muted); text-decoration: none; }
.back-link a:hover { color: var(--accent); }
.message-panel { padding: 0; overflow: hidden; }
.message-header, .message-content { padding: 30px; }
.message-header { border-bottom: 1px solid var(--line); }
.message-header h1 { margin-top: 8px; font-size: 25px; }
.message-meta { display: grid; grid-template-columns: auto 1fr; gap: 6px 18px; font-size: 12px; margin: 22px 0 0; }
.message-meta dt { color: var(--muted); }
.message-meta dd { margin: 0; overflow-wrap: anywhere; }
.body { font: inherit; font-size: 14px; line-height: 1.85; white-space: pre-wrap; overflow-wrap: anywhere; margin: 0 0 24px; }
details { padding-top: 10px; }
summary { cursor: pointer; color: var(--accent); font-size: 13px; }
details > p { font-size: 12px; }
iframe { display: block; width: 100%; height: 500px; border: 1px solid var(--line); border-radius: 8px; background: #0e151f; }
.attachments { margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.attachments p { font-size: 12px; }
.attachments ul { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; }
.attachments a { display: block; padding: 9px 14px; border: 1px solid var(--line); border-radius: 7px; background: var(--field); font-size: 13px; overflow-wrap: anywhere; }
.section-heading h2 { margin: 0; }
.section-heading > a { font-size: 12px; }
.storage-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 28px 0; }
.storage-stats > div { border-left: 1px solid var(--line); padding-left: 24px; }
.storage-stats > div:first-child { border: 0; padding-left: 0; }
.stat-label { display: block; font-size: 11px; color: var(--muted); margin-bottom: 7px; }
.storage-stats strong { display: block; font-size: 25px; font-weight: 550; letter-spacing: -.7px; }
.storage-stats small { display: block; font-size: 11px; margin-top: 3px; }
.storage-note { margin: 0; padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; }
.table-wrap { padding: 0; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; font-size: 13px; }
th { background: #0f1722; font-size: 10px; font-weight: 650; letter-spacing: .8px; text-transform: uppercase; color: var(--muted); }
td, th { padding: 17px 22px; border-bottom: 1px solid var(--line); }
td { white-space: nowrap; }
td:first-child { white-space: normal; overflow-wrap: anywhere; }
td a { text-decoration: none; color: var(--ink); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #ffffff02; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 20px; margin: 26px 0; color: var(--muted); font-size: 12px; }
.pagination a { padding: 6px 10px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 26px 0; }
footer { display: flex; align-items: center; justify-content: space-between; max-width: 1160px; margin: auto; padding: 22px 28px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; gap: 16px; }
.footer-brand { font-weight: 650; letter-spacing: -.2px; }

@media (max-width: 700px) {
  .header-inner { gap: 16px; padding: 16px 20px; flex-wrap: wrap; }
  .main-nav { gap: 3px; }
  .main-nav > a, .main-nav button.link { padding: 7px 9px; font-size: 12px; }
  main { padding: 24px 20px 40px; }
  .identity { margin-bottom: 30px; }
  .heading { align-items: flex-start; }
  .inbox-controls { flex-direction: column-reverse; align-items: flex-end; gap: 8px; }
  .sync-status { font-size: 10px; }
  .mailbox-summary { flex-wrap: wrap; gap: 10px 18px; }
  .mailbox-storage { margin-left: auto; }
  .mail-list { padding: 0 16px; }
  .mail-row { flex-wrap: wrap; gap: 9px; padding: 18px 0; }
  .mail-info { flex-basis: calc(100% - 20px); }
  .mail-info strong { font-size: 13px; }
  .meta { display: flex; gap: 9px; padding-left: 16px; align-items: center; }
  .meta small { display: inline; margin: 0; }
  .unread-label { margin: 0; }
  .empty { padding: 48px 6px; }
  .narrow { margin: 30px auto; }
  .form-panel { padding: 24px; }
  .message-header, .message-content { padding: 22px; }
  .message-header h1 { font-size: 22px; }
  .message-meta { grid-template-columns: 1fr; gap: 2px; }
  .message-meta dd { margin-bottom: 8px; }
  .storage-stats { gap: 16px; }
  .storage-stats > div { padding-left: 14px; }
  .storage-stats strong { font-size: 20px; }
  .storage-panel { padding: 20px; }
  td, th { padding: 15px; }
  footer { margin: 0 20px; padding: 20px 0; }
}

@media (max-width: 390px) {
  .identity .badge { display: none; }
  .mailbox-storage { margin-left: 0; flex-basis: 100%; }
  .storage-stats { grid-template-columns: 1fr; }
  .storage-stats > div { padding: 0; border: 0; }
  .heading { gap: 12px; }
  .heading .button { padding: 9px 12px; }
}

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