:root {
  --bg: #0f1221;
  --panel: #181c2f;
  --panel-2: #20253c;
  --line: #2b3150;
  --text: #e7e9f3;
  --muted: #9aa0bd;
  --brand: #6c8cff;
  --red: #ff6b6b;
  --green: #46d39a;
  --blue: #4aa8ff;
  --gray: #8a90ad;
  --yellow: #ffcf5c;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Malgun Gothic", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1040px; margin: 0 auto; padding: 24px; }

header.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--line);
  background: var(--panel); position: sticky; top: 0; z-index: 10;
}
.topbar .brand { font-weight: 700; font-size: 18px; }
.topbar .brand small { color: var(--muted); font-weight: 400; margin-left: 8px; font-size: 12px; }
.topbar nav a { margin-left: 16px; color: var(--muted); }
.topbar nav a.active { color: var(--text); }
.user { display: flex; align-items: center; gap: 10px; }
.user img { width: 30px; height: 30px; border-radius: 50%; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand); color: #fff; border: none; cursor: pointer;
  padding: 10px 16px; border-radius: 10px; font-size: 14px; font-weight: 600;
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--line); }
.btn.danger { background: transparent; color: var(--red); border: 1px solid var(--red); }
.btn.small { padding: 6px 10px; font-size: 12px; border-radius: 8px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin-bottom: 20px; }
.panel h2 { margin: 0 0 14px; font-size: 16px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 12px; flex-wrap: wrap; }

.cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.card { background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 16px; text-align: center; }
.card .num { font-size: 30px; font-weight: 800; }
.card .lbl { color: var(--muted); font-size: 13px; margin-top: 4px; }
.card.important .num { color: var(--red); }
.card.normal .num { color: var(--green); }
.card.keep .num { color: var(--blue); }
.card.deletable .num { color: var(--gray); }

.mail { display: flex; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; background: var(--panel-2); }
.mail .dot { width: 8px; border-radius: 4px; flex: 0 0 8px; }
.mail.important .dot { background: var(--red); }
.mail.normal .dot { background: var(--green); }
.mail.keep .dot { background: var(--blue); }
.mail.deletable .dot { background: var(--gray); }
.mail .body { flex: 1; min-width: 0; }
.mail .subject { font-weight: 600; }
.mail .meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.mail .reason { font-size: 12px; color: var(--yellow); margin-top: 4px; }
.mail .open { align-self: center; white-space: nowrap; }

.tabs { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.tab { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel-2); cursor: pointer; font-size: 13px; }
.tab.active { background: var(--brand); border-color: var(--brand); color: #fff; }

label.field { display: block; margin-bottom: 14px; }
label.field span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
input[type=text], input[type=password], input[type=number], textarea, select {
  width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text);
  padding: 10px 12px; border-radius: 10px; font-size: 14px; font-family: inherit;
}
textarea { min-height: 70px; resize: vertical; }
.toggle { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.inline { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; }
.inline > * { flex: 1; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { color: var(--muted); font-weight: 600; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); }
.badge.on { color: var(--green); border-color: var(--green); }
.badge.off { color: var(--gray); }

.login-hero { max-width: 460px; margin: 12vh auto; text-align: center; }
.login-hero h1 { font-size: 28px; }
.login-hero p { color: var(--muted); }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--panel-2); border: 1px solid var(--line); padding: 12px 18px; border-radius: 10px; opacity: 0; transition: opacity .2s; z-index: 50; }
.toast.show { opacity: 1; }
.provider-key { border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-bottom: 12px; background: var(--panel-2); }
.provider-key h3 { margin: 0 0 8px; font-size: 14px; display: flex; justify-content: space-between; align-items: center; }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 720px) { .cards { grid-template-columns: repeat(2, 1fr); } }