:root {
  --bg: #0f1420;
  --panel: #171f2e;
  --panel2: #1e2939;
  --accent: #4f8cff;
  --text: #e5eaf2;
  --muted: #8a97ab;
  --border: #2a3547;
  --ok: #3ecf8e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

h1 { font-size: 1.4rem; margin: 0; }
h2 { font-size: 1rem; margin: 0 0 .75rem; }

.key-bar { display: flex; gap: .5rem; }
.key-bar input { width: 320px; }

main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}
.panel.wide { grid-column: 1 / -1; }

.row { display: flex; gap: .5rem; margin-bottom: .75rem; }
.row > input, .row > select { flex: 1; }

input, select, button {
  padding: .55rem .7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  font-size: .9rem;
}

button {
  background: var(--accent);
  border: none;
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}
button:hover { filter: brightness(1.1); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: .2rem .5rem; }

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  padding: .55rem .6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: .4rem;
  background: var(--panel2);
  cursor: pointer;
}
.list li:hover { border-color: var(--accent); }
.list li .sub { color: var(--muted); font-size: .8rem; }
.list li.active { border-color: var(--accent); }

.muted { color: var(--muted); font-weight: normal; font-size: .85rem; }
code { background: var(--panel2); padding: .1rem .35rem; border-radius: 4px; }

.inbox { display: grid; grid-template-columns: 360px 1fr; gap: 1rem; min-height: 300px; }
.message-view {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow: auto;
}
.message-view iframe { width: 100%; min-height: 300px; border: none; background: #fff; border-radius: 6px; }

.code-badge {
  display: inline-block;
  background: var(--ok);
  color: #06231a;
  font-weight: 700;
  padding: .1rem .5rem;
  border-radius: 6px;
  letter-spacing: 1px;
}

.pill { font-size: .75rem; background: var(--accent); color:#fff; padding:.05rem .4rem; border-radius: 20px; }

footer { padding: 1rem 1.5rem; text-align: center; }

.del { background: transparent; color: var(--muted); border: none; padding: 0 .3rem; }
.del:hover { color: #ff6b6b; }

.toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  background: var(--panel2); border: 1px solid var(--border);
  padding: .6rem 1rem; border-radius: 8px; opacity: 0; transition: opacity .2s;
  pointer-events: none;
}
.toast.show { opacity: 1; }

@media (max-width: 800px) {
  main { grid-template-columns: 1fr; }
  .inbox { grid-template-columns: 1fr; }
  .key-bar input { width: 200px; }
}