:root {
  color-scheme: dark;
  --bg: #071018;
  --panel: #0d1822;
  --panel-2: #101e29;
  --line: #233642;
  --text: #ecf4f7;
  --muted: #91a5af;
  --cyan: #32d3c7;
  --cyan-dark: #163f42;
  --amber: #f0b65e;
  --red: #ff7272;
  --green: #61d49b;
  font-family: "Microsoft YaHei UI", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: radial-gradient(circle at 85% 0%, #12303a 0, transparent 34rem), var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.5;
}
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.shell { width: min(1480px, calc(100% - 40px)); margin: 0 auto; padding: 34px 0 52px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 24px; }
h1, h2, p { margin: 0; }
h1 { font-size: clamp(1.75rem, 3vw, 2.65rem); letter-spacing: -.03em; }
h2 { font-size: 1.15rem; }
.eyebrow, .panel-kicker { color: var(--cyan); font: 700 .75rem/1.4 Consolas, monospace; letter-spacing: .16em; margin-bottom: 6px; }
.service-state { display: flex; align-items: center; gap: 9px; color: var(--muted); }
.service-state span { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 14px currentColor; }
.service-state.online span { background: var(--green); }
.login-panel, .panel, .metrics article {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: 0 18px 70px rgba(0,0,0,.18);
}
.login-panel { display: grid; grid-template-columns: 1fr minmax(340px, 620px); align-items: center; gap: 28px; padding: 22px 24px; border-radius: 12px; }
.login-panel p { color: var(--muted); margin-top: 5px; font-size: .9rem; }
.login-row { display: flex; gap: 10px; }
input, textarea {
  width: 100%; border: 1px solid #2d4654; border-radius: 7px; background: #08131c; color: var(--text);
  padding: 11px 12px; outline: none; transition: border-color .16s, box-shadow .16s;
}
input:focus, textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(50,211,199,.12); }
textarea { resize: vertical; min-height: 82px; }
.button { border: 1px solid transparent; border-radius: 7px; padding: 10px 15px; font-weight: 700; color: var(--text); white-space: nowrap; }
.button.primary { background: var(--cyan); color: #041110; }
.button.primary:hover { background: #50e5da; }
.button.secondary { border-color: var(--cyan); background: transparent; color: var(--cyan); }
.button.quiet { border-color: var(--line); background: #12212c; }
.button.danger { border-color: #70393e; background: #321b21; color: #ff9b9b; }
.button.full { width: 100%; margin-top: 3px; }
.workspace { margin-top: 22px; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 12px; }
.metrics article { border-radius: 10px; padding: 17px 19px; }
.metrics span { color: var(--muted); font-size: .82rem; }
.metrics strong { display: block; font: 700 1.8rem/1.2 Consolas, monospace; margin-top: 8px; }
.grid { display: grid; grid-template-columns: minmax(300px, 390px) minmax(650px, 1fr); gap: 12px; align-items: start; }
.panel { border-radius: 12px; overflow: hidden; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 21px; border-bottom: 1px solid var(--line); }
.create-panel form { display: grid; gap: 15px; padding: 20px 21px; }
label { display: grid; gap: 6px; color: #bfd0d7; font-size: .88rem; }
.two-cols { display: grid; grid-template-columns: 1fr 1.2fr; gap: 10px; }
.toolbar { display: flex; gap: 8px; width: min(480px, 55%); }
.table-wrap { overflow: auto; min-height: 410px; }
table { width: 100%; border-collapse: collapse; min-width: 900px; }
th, td { padding: 14px 16px; border-bottom: 1px solid #1c2c36; text-align: left; vertical-align: top; }
th { color: #8198a3; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; background: #0b161f; position: sticky; top: 0; }
td { font-size: .87rem; }
.sub { color: var(--muted); display: block; margin-top: 3px; font-size: .78rem; }
.badge { display: inline-flex; padding: 3px 8px; border-radius: 999px; font-size: .75rem; font-weight: 700; }
.badge.active { color: var(--green); background: rgba(97,212,155,.12); }
.badge.suspended { color: var(--amber); background: rgba(240,182,94,.12); }
.badge.revoked { color: var(--red); background: rgba(255,114,114,.12); }
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.actions button { border: 1px solid var(--line); background: #111f29; color: #bdd0d7; border-radius: 5px; padding: 5px 8px; font-size: .75rem; }
.actions button:hover { border-color: #4b6877; color: #fff; }
.actions button.danger-link { color: #ff9696; }
.issue-result { margin: 0 21px 21px; padding: 15px; border: 1px solid var(--cyan-dark); background: rgba(50,211,199,.06); border-radius: 8px; }
.issue-result p { color: var(--muted); margin: 6px 0 12px; font-size: .86rem; }
.empty { padding: 65px 20px; color: var(--muted); text-align: center; }
.toast { position: fixed; right: 22px; bottom: 22px; max-width: min(420px, calc(100% - 44px)); padding: 12px 16px; border: 1px solid var(--line); background: #12222d; border-radius: 8px; box-shadow: 0 16px 55px #0008; opacity: 0; transform: translateY(12px); pointer-events: none; transition: .2s; }
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { border-color: #764148; color: #ffb0b0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 1020px) {
  .grid { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .shell { width: min(100% - 24px, 1480px); padding-top: 22px; }
  .topbar, .login-panel { align-items: stretch; grid-template-columns: 1fr; display: grid; }
  .service-state { justify-self: start; }
  .login-row, .list-heading { flex-direction: column; align-items: stretch; }
  .toolbar { width: 100%; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .two-cols { grid-template-columns: 1fr; }
}