:root {
  --bg: #0b0c0e;
  --panel: #121417;
  --line: #1f2328;
  --text: #d6dae0;
  --dim: #7b828c;
  --faint: #4a5058;
  --accent: #e6e9ed;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; } /* .login sets display:flex, which would otherwise beat the hidden attr */
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* -- header ------------------------------------------------------------- */
.top {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px 10px;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--bg); z-index: 5;
}
.brand {
  font: 700 15px/1 "SF Mono", ui-monospace, Menlo, monospace;
  letter-spacing: .14em; color: var(--accent);
}
.brand span { color: var(--faint); }
.brand.big { font-size: 20px; margin-bottom: 18px; text-align: center; }
.sync { flex: 1; font-size: 12px; color: var(--dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sync.err { color: #c96f6f; }

.tabs { display: flex; gap: 2px; border: 1px solid var(--line); border-radius: 7px; padding: 2px; }
.tab {
  border: none; border-radius: 5px; padding: 3px 12px;
  font-size: 12.5px; color: var(--dim); background: none;
}
.tab:hover { color: var(--text); border: none; }
.tab.on { background: var(--panel); color: var(--accent); }

button {
  background: none; border: 1px solid var(--line); color: var(--dim);
  border-radius: 6px; padding: 5px 11px; font-size: 12.5px; cursor: pointer;
}
button:hover { color: var(--text); border-color: var(--faint); }
button.on { color: var(--accent); border-color: var(--dim); background: var(--panel); }
#refreshBtn { font-size: 15px; padding: 3px 10px; }
#refreshBtn.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* -- controls ----------------------------------------------------------- */
.controls {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 18px; border-bottom: 1px solid var(--line);
}
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 4px 11px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 12.5px; color: var(--dim); cursor: pointer; user-select: none;
  background: none;
}
.chip:hover { color: var(--text); border-color: var(--faint); }
.chip.on { color: var(--accent); border-color: var(--dim); background: var(--panel); }
.chip .cdot { width: 7px; height: 7px; border-radius: 50%; background: var(--c, var(--faint)); }
.chip .n { font-size: 11px; color: var(--faint); }
.chip.on .n { color: var(--dim); }
.chip .n.hot { color: var(--accent); font-weight: 600; }
.tools { display: flex; gap: 8px; margin-left: auto; }
#search {
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px;
  color: var(--text); padding: 5px 11px; font-size: 13px; width: 240px; outline: none;
}
#search:focus { border-color: var(--faint); }

/* -- list ---------------------------------------------------------------- */
.list { max-width: 1040px; margin: 0 auto; padding: 6px 0 0; }
.row {
  display: flex; align-items: baseline; gap: 10px;
  padding: 9px 18px; border-bottom: 1px solid var(--line);
  text-decoration: none; color: inherit; cursor: pointer;
}
.row:hover { background: var(--panel); }
.dot {
  align-self: center; flex: none; width: 8px; height: 8px; border-radius: 50%;
  background: var(--c, var(--faint)); opacity: .45;
}
.row.unread .dot { opacity: 1; box-shadow: 0 0 6px var(--c, transparent); }
.from { flex: none; width: 190px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--dim); }
.row.unread .from { color: var(--text); font-weight: 600; }
.subj { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--dim); }
.subj b { font-weight: 500; color: var(--text); }
.row.unread .subj b { font-weight: 650; color: var(--accent); }
.snip { color: var(--faint); }
.time { flex: none; font-size: 12px; color: var(--faint); font-variant-numeric: tabular-nums; }
.row.unread .time { color: var(--dim); }

.kind {
  flex: none; width: 52px; text-align: center;
  font: 600 9.5px/1 "SF Mono", ui-monospace, Menlo, monospace;
  letter-spacing: .08em; color: var(--dim);
  border: 1px solid var(--line); border-radius: 4px; padding: 3px 0;
  text-transform: uppercase; align-self: center;
}

.foot { max-width: 1040px; margin: 0 auto; padding: 16px 18px 40px; text-align: center; }
.empty { color: var(--faint); font-size: 13px; padding: 30px 0; }

/* -- login --------------------------------------------------------------- */
.login {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; align-items: center; justify-content: center; z-index: 50;
}
.login form { display: flex; flex-direction: column; gap: 10px; width: 240px; }
.login input {
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px;
  color: var(--text); padding: 9px 12px; font-size: 14px; outline: none; text-align: center;
}
.login input:focus { border-color: var(--faint); }
.login button { padding: 8px; color: var(--text); }
.err { color: #c96f6f; font-size: 12px; text-align: center; min-height: 16px; }

@media (max-width: 640px) {
  .from { width: 110px; }
  .time { font-size: 11px; }
  #search { width: 140px; }
  .row { padding: 9px 12px; }
  .top, .controls { padding-left: 12px; padding-right: 12px; }
}