:root {
  color-scheme: light;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --text: #17212b;
  --muted: #687480;
  --line: #dfe5ea;
  --soft: #eef2f5;
  --accent: #1f5eff;
  --danger: #b42318;
  --danger-soft: #fff0ee;
  --success: #087443;
  --success-soft: #eaf8f1;
  --warning: #8a5d00;
  --warning-soft: #fff7df;
  --radius: 16px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; }
.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; padding: 34px 0 60px; }
.topbar, .section-head, .dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.topbar { margin-bottom: 24px; }
h1 { margin: 4px 0 2px; font-size: clamp(28px, 4vw, 38px); letter-spacing: -0.03em; }
h2 { margin: 0; font-size: 20px; }
h3 { margin: 0; font-size: 16px; }
.eyebrow { margin: 0; color: var(--accent); font-weight: 800; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; }
.muted { color: var(--muted); margin: 6px 0 0; }
.panel, .card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 30px rgba(16,24,40,.04); }
.panel { padding: 22px; margin-bottom: 18px; }
.auth-panel { display: grid; grid-template-columns: 1fr minmax(320px, 520px); align-items: end; gap: 28px; }
.auth-stack { display: grid; gap: 10px; }
.auth-form { display: flex; gap: 10px; }
.otp-code { letter-spacing: .24em; font-weight: 800; text-align: center; font-size: 18px; }
input, select { width: 100%; min-height: 42px; padding: 0 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--text); outline: none; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31,94,255,.12); }
.button { min-height: 42px; padding: 0 16px; border: 1px solid transparent; border-radius: 10px; cursor: pointer; font-weight: 750; white-space: nowrap; }
.button.primary { background: var(--accent); color: #fff; }
.button.ghost { background: #fff; border-color: var(--line); color: var(--text); }
.button.danger { background: var(--danger); color: #fff; }
.button:disabled { opacity: .5; cursor: not-allowed; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.badge { display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; border-radius: 999px; font-size: 12px; font-weight: 800; }
.badge.neutral { background: var(--soft); color: var(--muted); }
.badge.active, .badge.trial { background: var(--success-soft); color: var(--success); }
.badge.grace { background: var(--warning-soft); color: var(--warning); }
.badge.expired, .badge.blocked, .badge.verificationRequired { background: var(--danger-soft); color: var(--danger); }
.cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 18px; }
.card { padding: 18px; }
.card span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.card strong { font-size: 30px; letter-spacing: -.03em; }
.filters { display: grid; grid-template-columns: minmax(260px, 1fr) 220px; gap: 10px; margin: 18px 0 12px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; min-width: 900px; }
th, td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; font-size: 13px; }
th { background: #f8fafb; color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:last-child td { border-bottom: 0; }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12px; }
.link-button { border: 0; background: none; color: var(--accent); cursor: pointer; font-weight: 800; padding: 4px 0; }
.empty { color: var(--muted); text-align: center; padding: 28px; }
.table-status { font-size: 12px; text-align: right; }
.error { color: var(--danger); font-weight: 700; margin: 10px 0 0; }
.audit-list { display: grid; gap: 8px; margin-top: 16px; }
.audit-row { display: grid; grid-template-columns: 160px 160px 1fr; gap: 12px; align-items: center; border: 1px solid var(--line); border-radius: 10px; padding: 11px 12px; font-size: 13px; }
.dialog { width: min(920px, calc(100% - 28px)); max-height: 88vh; border: 0; border-radius: 18px; padding: 0; box-shadow: 0 30px 90px rgba(16,24,40,.24); }
.dialog::backdrop { background: rgba(20,28,38,.5); }
.dialog-head { padding: 20px 22px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; z-index: 2; }
#detailBody { padding: 22px; overflow-y: auto; }
.icon-button { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: #fff; cursor: pointer; font-size: 24px; line-height: 1; }
.detail-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 20px; }
.detail-stat { background: #f8fafb; border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.detail-stat span { color: var(--muted); font-size: 12px; display: block; margin-bottom: 5px; }
.detail-stat strong { font-size: 15px; }
.device-list { display: grid; gap: 10px; margin-top: 12px; }
.device { border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.device-meta { display: grid; gap: 4px; }
.device-actions, .license-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.notice { margin-top: 16px; border: 1px solid #eadba6; background: #fffaf0; color: #6f5200; border-radius: 12px; padding: 12px 14px; font-size: 13px; }
.toast { position: fixed; right: 22px; bottom: 22px; max-width: 360px; background: #17212b; color: #fff; padding: 12px 15px; border-radius: 10px; box-shadow: 0 12px 35px rgba(0,0,0,.2); z-index: 5; }
@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .auth-panel { grid-template-columns: 1fr; }
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .shell { width: min(100% - 20px, 1180px); padding-top: 20px; }
  .topbar, .section-head { align-items: flex-start; }
  .topbar { flex-direction: column; }
  .auth-form, .filters { grid-template-columns: 1fr; display: grid; }
  .cards { grid-template-columns: 1fr 1fr; }
  .audit-row { grid-template-columns: 1fr; }
  .device { align-items: flex-start; flex-direction: column; }
}