:root {
  --bg: #05080a; --text: #e6fff4; --muted: #5f8f78;
  --pink: #00ff9c; --violet: #22d3ee; --surface: #0b1218;
  --border: rgba(255,255,255,0.08); --green: #48ff9b;
  --font-display: ui-monospace, 'Cascadia Code', Consolas, monospace; --font-body: ui-monospace, 'Cascadia Code', Consolas, monospace;
  --mono: ui-monospace, 'Cascadia Code', Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); font-family: var(--font-body); min-height: 100%; }
body { min-height: 100vh; }

.tm-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; position: relative; }
.tm-back { position: absolute; top: 1.25rem; left: 1.5rem; color: var(--muted); text-decoration: none; font-size: 0.82rem; transition: color 0.2s; }
.tm-back:hover { color: var(--text); }

.tm-card {
  width: 100%; max-width: 560px; background: var(--surface);
  border: 1px solid rgba(34,211,238,0.25); border-radius: 18px; padding: 2rem;
  display: flex; flex-direction: column; gap: 1rem; box-shadow: 0 0 60px rgba(34,211,238,0.07);
}
.tm-logo { font-size: 2rem; text-align: center; }
.tm-card h1 {
  font-family: var(--font-display); font-weight: 900; font-size: 1.7rem; text-align: center;
  background: linear-gradient(90deg, var(--pink), var(--violet));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.tm-sub { font-size: 0.78rem; color: var(--muted); text-align: center; line-height: 1.5; }

.tm-addrbox {
  display: flex; align-items: center; gap: 0.4rem;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(34,211,238,0.3);
  border-radius: 12px; padding: 0.6rem 0.7rem 0.6rem 1rem;
}
.tm-addr { flex: 1; font-family: var(--mono); font-size: 0.95rem; font-weight: 700; color: var(--green); word-break: break-all; }
.tm-copy { background: rgba(34,211,238,0.15); border: 1px solid rgba(34,211,238,0.3); color: var(--text); border-radius: 9px; padding: 0.35rem 0.8rem; cursor: pointer; font-family: var(--font-body); font-size: 0.76rem; font-weight: 700; }
.tm-copy:hover { background: rgba(34,211,238,0.28); }

.tm-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.74rem; color: var(--muted); }
.tm-new { background: none; border: 1px solid var(--border); color: var(--muted); border-radius: 999px; padding: 0.25rem 0.7rem; cursor: pointer; font-family: var(--font-body); font-size: 0.74rem; font-weight: 600; transition: color 0.2s, border-color 0.2s; }
.tm-new:hover { color: var(--pink); border-color: rgba(0,255,156,0.4); }

.tm-error { font-size: 0.8rem; color: #ff8080; text-align: center; background: rgba(255,80,80,0.08); border: 1px solid rgba(255,80,80,0.25); border-radius: 8px; padding: 0.55rem 0.7rem; }

.tm-inbox { min-height: 180px; }
.tm-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.6rem; padding: 2.2rem 1rem; text-align: center; color: rgba(198,179,230,0.6); font-size: 0.82rem; }
.tm-empty-ico { font-size: 1.8rem; opacity: 0.7; }

.tm-list { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; }
.tm-item {
  display: flex; flex-direction: column; gap: 0.15rem;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: 10px; padding: 0.6rem 0.8rem; cursor: pointer; transition: border-color 0.2s, background 0.2s;
}
.tm-item:hover { border-color: rgba(34,211,238,0.45); background: rgba(34,211,238,0.06); }
.tm-item-top { display: flex; justify-content: space-between; gap: 0.5rem; }
.tm-item-from { font-weight: 700; font-size: 0.82rem; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tm-item-time { font-size: 0.7rem; color: var(--muted); flex-shrink: 0; }
.tm-item-subj { font-size: 0.8rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.tm-reader { display: flex; flex-direction: column; gap: 0.5rem; }
.tm-rback { align-self: flex-start; background: none; border: 1px solid var(--border); color: var(--muted); border-radius: 999px; padding: 0.25rem 0.8rem; cursor: pointer; font-family: var(--font-body); font-size: 0.76rem; }
.tm-rback:hover { color: var(--text); }
.tm-rsub { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.tm-rfrom { font-size: 0.82rem; color: var(--text); }
.tm-rdate { font-size: 0.72rem; color: var(--muted); }
.tm-rbody {
  margin-top: 0.4rem; max-height: 50vh; overflow: auto; white-space: pre-wrap; word-break: break-word;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border); border-radius: 12px;
  padding: 0.85rem 1rem; font-family: var(--mono); font-size: 0.85rem; line-height: 1.6; color: var(--text);
  -webkit-user-select: text; user-select: text;
}

.tm-note { font-size: 0.72rem; color: var(--muted); line-height: 1.55; background: rgba(72,255,155,0.05); border: 1px solid rgba(72,255,155,0.18); border-radius: 8px; padding: 0.65rem 0.8rem; }

/* TTL selector */
.tm-ttl { display: flex; align-items: center; gap: 0.6rem; justify-content: center; }
.tm-ttl-label { font-size: 0.74rem; color: var(--muted); }
.tm-ttl-opts { display: flex; gap: 0.3rem; }
.tm-ttl-opts button {
  background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--muted);
  border-radius: 999px; padding: 0.2rem 0.7rem; cursor: pointer; font-family: var(--font-body);
  font-size: 0.74rem; font-weight: 700; transition: all 0.2s;
}
.tm-ttl-opts button.active { color: #fff; border-color: transparent; background: linear-gradient(90deg, var(--pink), var(--violet)); }
.tm-ttl-opts button:hover { color: var(--text); }

.tm-qrbtn { background: rgba(34,211,238,0.12); border: 1px solid rgba(34,211,238,0.3); color: var(--text); border-radius: 9px; padding: 0.35rem 0.6rem; cursor: pointer; font-size: 0.85rem; }
.tm-qrbtn:hover { background: rgba(34,211,238,0.25); }
.tm-qr { display: flex; justify-content: center; padding: 0.6rem; }
.tm-qr svg { width: 168px; height: 168px; background: #fff; border-radius: 10px; padding: 8px; }

.tm-actions { display: flex; gap: 0.4rem; }
.tm-burn { background: none; border: 1px solid rgba(255,140,50,0.3); color: #ffb066; border-radius: 999px; padding: 0.25rem 0.7rem; cursor: pointer; font-family: var(--font-body); font-size: 0.74rem; font-weight: 600; transition: all 0.2s; }
.tm-burn:hover { background: rgba(255,140,50,0.12); color: #ffc890; }

/* PGP */
.tm-pgp { border: 1px solid var(--border); border-radius: 12px; padding: 0.7rem 0.85rem; background: rgba(255,255,255,0.02); }
.tm-pgp-head { display: flex; align-items: center; justify-content: space-between; font-size: 0.82rem; }
.tm-pgp-state { font-size: 0.68rem; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 0.05rem 0.45rem; margin-left: 0.3rem; }
.tm-pgp-state.on { color: var(--green); border-color: rgba(72,255,155,0.4); }
.tm-pgp-toggle { background: rgba(34,211,238,0.15); border: 1px solid rgba(34,211,238,0.3); color: var(--text); border-radius: 8px; padding: 0.3rem 0.75rem; cursor: pointer; font-family: var(--font-body); font-size: 0.74rem; font-weight: 700; }
.tm-pgp-toggle:hover { background: rgba(34,211,238,0.28); }
.tm-pgp-body { margin-top: 0.65rem; display: flex; flex-direction: column; gap: 0.5rem; }
.tm-pgp-hint { font-size: 0.72rem; color: var(--muted); line-height: 1.5; }
.tm-pgp-key { width: 100%; resize: vertical; background: rgba(0,0,0,0.25); border: 1px solid var(--border); border-radius: 8px; padding: 0.5rem 0.6rem; color: var(--green); font-family: var(--mono); font-size: 0.68rem; line-height: 1.35; outline: none; }
.tm-pgp-auth { display: flex; flex-direction: column; gap: 0.45rem; }
.tm-pgp-authrow { display: flex; gap: 0.4rem; }
.tm-pgp-pass { flex: 1; background: rgba(0,0,0,0.25); border: 1px solid var(--border); border-radius: 8px; padding: 0.45rem 0.6rem; color: var(--text); font-family: var(--font-body); font-size: 0.8rem; outline: none; min-width: 0; }
.tm-pgp-pass:focus { border-color: rgba(34,211,238,0.5); }
.tm-pgp-act { background: linear-gradient(90deg, var(--pink), var(--violet)); border: none; color: #fff; border-radius: 8px; padding: 0.45rem 0.85rem; cursor: pointer; font-family: var(--font-body); font-size: 0.76rem; font-weight: 700; white-space: nowrap; }
.tm-pgp-act:disabled { opacity: 0.5; cursor: default; }
.tm-pgp-keywrap { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.55rem; }
.tm-pgp-keyactions { display: flex; gap: 0.35rem; }
.tm-pgp-regen { background: none; border: 1px solid var(--border); color: var(--muted); border-radius: 8px; padding: 0.25rem 0.7rem; cursor: pointer; font-family: var(--font-body); font-size: 0.72rem; font-weight: 600; }
.tm-pgp-regen:hover { color: var(--pink); border-color: rgba(0,255,156,0.4); }
.tm-pgp-row { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.tm-pgp-fp { font-family: var(--mono); font-size: 0.68rem; color: var(--muted); }
.tm-pgp-copy { background: rgba(34,211,238,0.15); border: 1px solid rgba(34,211,238,0.3); color: var(--text); border-radius: 8px; padding: 0.25rem 0.7rem; cursor: pointer; font-family: var(--font-body); font-size: 0.72rem; font-weight: 700; }

/* reader badge */
.tm-rbadge { align-self: flex-start; font-size: 0.7rem; font-weight: 700; border-radius: 999px; padding: 0.15rem 0.6rem; }
.tm-rbadge.enc { color: var(--green); background: rgba(72,255,155,0.08); border: 1px solid rgba(72,255,155,0.25); }
.tm-rbadge.plain { color: var(--muted); background: rgba(255,255,255,0.04); border: 1px solid var(--border); }

@media (max-width: 480px) { .tm-card { padding: 1.6rem 1.25rem; border-radius: 14px; } .tm-addr { font-size: 0.82rem; } }