:root {
  color-scheme: dark;
  --bg: #0a0d14;
  --surface: #121824;
  --surface-2: #182132;
  --border: #29354b;
  --text: #f1f5fb;
  --muted: #9aa8bc;
  --accent: #56d6ad;
  --accent-dark: #102d27;
  --danger: #ff7b86;
  --danger-dark: #35191f;
  --info: #7db5ff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 15% 0%, #17243c 0, transparent 34rem), var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.topbar { border-bottom: 1px solid var(--border); padding: 1.1rem max(1.25rem, calc((100% - 1100px) / 2)); }
.brand { color: var(--text); font-weight: 800; letter-spacing: -.02em; text-decoration: none; }
.brand span, .eyebrow { color: var(--accent); }
.shell { width: min(1100px, calc(100% - 2rem)); margin: 3rem auto; }
.card { background: color-mix(in srgb, var(--surface) 94%, transparent); border: 1px solid var(--border); border-radius: 18px; padding: clamp(1.25rem, 3vw, 2rem); box-shadow: 0 24px 70px rgba(0,0,0,.22); }
.auth-card { width: min(460px, 100%); margin: 7vh auto; }
.eyebrow { margin: 0 0 .6rem; font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2 { margin-top: 0; letter-spacing: -.025em; }
h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: 1.25rem; }
.muted { color: var(--muted); line-height: 1.6; }
.stack { display: grid; gap: 1rem; margin-top: 1.5rem; }
label { display: grid; gap: .45rem; color: #dce4ef; font-size: .92rem; font-weight: 650; }
input { width: 100%; border: 1px solid var(--border); border-radius: 10px; background: #0c111b; color: var(--text); padding: .86rem .95rem; font: inherit; outline: none; }
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(86,214,173,.12); }
button, .button-link { border: 0; border-radius: 10px; padding: .86rem 1rem; background: var(--accent); color: #07140f; font: inherit; font-weight: 800; cursor: pointer; text-decoration: none; text-align: center; }
button:hover, .button-link:hover { filter: brightness(1.08); }
button:disabled { cursor: wait; opacity: .72; filter: none; }
.button-secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.button-small { padding: .55rem .75rem; font-size: .82rem; }
.button-danger { background: var(--danger-dark); color: var(--danger); border: 1px solid #67303b; }
.button-success { background: var(--accent-dark); color: var(--accent); border: 1px solid #245c4d; }
.subtle-link { display: block; margin-top: 1.25rem; color: var(--muted); text-align: center; }
.page-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1.5rem; margin-bottom: 1.5rem; }
.page-heading h1 { margin-bottom: .25rem; }
.page-heading p { margin-bottom: 0; }
.ip-card { max-width: 640px; }
.current-ip { display: grid; gap: .35rem; margin-bottom: 1.4rem; }
.current-ip span { color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; }
.current-ip strong { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 1.5rem; overflow-wrap: anywhere; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr auto auto; align-items: end; gap: 1rem; }
.check-label { display: flex; align-items: center; gap: .55rem; padding-bottom: .75rem; white-space: nowrap; }
.check-label input { width: auto; }
.table-card { margin-top: 1.5rem; }
.section-title { display: flex; justify-content: space-between; align-items: center; }
.pill, .status { display: inline-flex; border-radius: 999px; padding: .3rem .6rem; font-size: .75rem; font-weight: 800; }
.pill { background: var(--surface-2); color: var(--muted); }
.status-active { background: var(--accent-dark); color: var(--accent); }
.status-inactive { background: var(--danger-dark); color: var(--danger); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--border); padding: .9rem .7rem; text-align: left; }
th { color: var(--muted); font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; }
code { color: #c5d2e6; }
.empty { color: var(--muted); text-align: center; padding: 2rem; }
.admin-actions { display: flex; flex-wrap: wrap; align-items: flex-start; gap: .55rem; min-width: 260px; }
.action-details { position: relative; }
.action-details summary { list-style: none; cursor: pointer; border: 1px solid var(--border); border-radius: 9px; padding: .52rem .7rem; background: var(--surface-2); font-size: .82rem; font-weight: 750; }
.action-details summary::-webkit-details-marker { display: none; }
.action-details-danger summary { color: var(--danger); border-color: #67303b; background: var(--danger-dark); }
.action-form { width: min(310px, 80vw); margin-top: .5rem; padding: .8rem; display: grid; gap: .65rem; background: #0c111b; border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 18px 50px rgba(0,0,0,.3); }
.action-form p { margin: 0; color: var(--muted); font-size: .83rem; line-height: 1.45; }
.loading-status { min-height: 1.25rem; color: var(--muted); font-size: .85rem; text-align: center; }
.flash { width: min(760px, 100%); margin: 0 auto 1.25rem; border: 1px solid; border-radius: 12px; padding: .85rem 1rem; }
.flash-success { color: var(--accent); background: var(--accent-dark); border-color: #245c4d; }
.flash-error { color: var(--danger); background: var(--danger-dark); border-color: #67303b; }
.flash-info { color: var(--info); background: #14233a; border-color: #294b76; }
.error-card { text-align: center; }
.error-code { color: var(--accent); font: 800 3rem ui-monospace, monospace; margin: 0; }
.footer { color: #65738a; font-size: .8rem; text-align: center; padding: 2rem; }

@media (max-width: 780px) {
  .shell { margin-top: 1.5rem; }
  .form-grid { grid-template-columns: 1fr; }
  .page-heading { align-items: center; }
  .check-label { padding: 0; }
}