:root {
  --bg: #0f1115; --panel: #171a21; --panel2: #1e222b; --line: #2a2f3a;
  --txt: #e6e9ef; --muted: #8b93a3; --accent: #4f8cff; --ok: #2ecc71;
  --warn: #f1c40f; --err: #e74c3c; --radius: 10px;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg); color: var(--txt); }
a { color: var(--accent); text-decoration: none; }
.muted { color: var(--muted); } .sm { font-size: 12px; }

/* Auth */
.auth { min-height: 100vh; display: grid; place-items: center; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.auth .card { width: 320px; display: grid; gap: 12px; }
.auth h1 { font-size: 18px; margin: 0 0 8px; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
input { background: var(--panel2); border: 1px solid var(--line); color: var(--txt);
  padding: 9px 10px; border-radius: 8px; font: inherit; }
button { background: var(--accent); color: #fff; border: 0; padding: 9px 14px;
  border-radius: 8px; font: inherit; cursor: pointer; }
button.ghost { background: transparent; border: 1px solid var(--line); color: var(--txt); }
.err { color: var(--err); }

/* Layout */
.topbar { display: flex; align-items: center; gap: 16px; padding: 10px 16px;
  background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; }
.topbar nav { display: flex; gap: 6px; }
.tab { background: transparent; color: var(--muted); border: 1px solid transparent; padding: 6px 12px; }
.tab.active { color: var(--txt); border-color: var(--line); background: var(--panel2); }
.topbar .who { margin-left: auto; color: var(--muted); }
main { padding: 16px; }

/* Stats */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; }
.stat .v { font-size: 26px; font-weight: 700; } .stat .l { color: var(--muted); font-size: 12px; }

/* Table */
.tbl { width: 100%; border-collapse: collapse; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.tbl th, .tbl td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--muted); font-weight: 600; font-size: 12px; }
.tbl .ts, .tbl .err { color: var(--muted); font-size: 12px; }

/* Badges */
.badge { padding: 2px 8px; border-radius: 999px; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; }
.badge.queued { background: #23324a; color: #9dc0ff; }
.badge.sending { background: #3a3320; color: var(--warn); }
.badge.sent { background: #1f3a2a; color: #7fe0a5; }
.badge.delivered { background: #16351f; color: var(--ok); }
.badge.failed { background: #3a1f22; color: var(--err); }
.badge.open { background: #23324a; color: #9dc0ff; }
.badge.active { background: #16351f; color: var(--ok); }
.badge.closed { background: #262a33; color: var(--muted); }

/* Inbox */
.inbox { display: grid; grid-template-columns: 300px 1fr; gap: 12px; height: calc(100vh - 100px); }
.sessions { overflow: auto; display: flex; flex-direction: column; gap: 6px; }
.sess { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px; cursor: pointer; }
.sess:hover { border-color: var(--accent); }
.sess .row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.thread { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  display: flex; flex-direction: column; overflow: hidden; }
.thead { padding: 12px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 10px; }
.thead button { margin-left: auto; }
.msgs { flex: 1; overflow: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.bub { max-width: 75%; } .bub.in { align-self: flex-start; } .bub.out { align-self: flex-end; }
.bub.system { align-self: center; opacity: .7; }
.bub .b { background: var(--panel2); border: 1px solid var(--line); padding: 8px 11px; border-radius: 12px; }
.bub.out .b { background: #22406b; border-color: #2c4d80; }
.reply { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.reply input { flex: 1; }

/* Settings */
.settings { max-width: 480px; display: grid; gap: 10px; }
.settings h2 { font-size: 14px; margin: 12px 0 2px; color: var(--muted); }
.chk { flex-direction: row; align-items: center; gap: 8px; color: var(--txt); }

@media (max-width: 720px) {
  .inbox { grid-template-columns: 1fr; height: auto; }
  .topbar { flex-wrap: wrap; }
}

/* ---- v1.1 additions ---- */
.ver { color: var(--muted); font-size: 12px; margin-left: 4px; }
.topbar em { color: var(--accent); font-style: normal; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.tbl td.actions { display: table-cell; }
.tbl .actions button { padding: 4px 8px; font-size: 12px; }
button.danger, .btn.danger { background: #3a1f22; color: var(--err); border: 1px solid #5a2a2f; }
.btn { display: inline-block; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 8px; text-decoration: none; }
.btn.ghost { background: transparent; border: 1px solid var(--line); color: var(--txt); }
.rowform { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 12px 0; }
.rowform input { width: auto; }
.rowform strong { margin-right: 6px; }
.card h2 { font-size: 14px; margin: 4px 0 8px; color: var(--muted); }
.card + .card { margin-top: 12px; }
.out { background: #0c0e12; border: 1px solid var(--line); border-radius: 8px; padding: 10px;
  white-space: pre-wrap; word-break: break-word; min-height: 20px; font-size: 12px; color: #cdd3df; }
select { background: var(--panel2); border: 1px solid var(--line); color: var(--txt); padding: 8px; border-radius: 8px; font: inherit; }
#toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: var(--panel2); border: 1px solid var(--line); padding: 10px 16px; border-radius: 8px;
  opacity: 0; transition: opacity .2s; z-index: 50; }
#toast.ok { border-color: #1f3a2a; } #toast.err { border-color: #5a2a2f; color: #ffb4b4; }
button:disabled { opacity: .5; cursor: not-allowed; }
h2 { font-size: 15px; margin: 18px 0 8px; }