:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0b1117;
  color: #edf4f1;
  --ink: #0b1117;
  --panel: rgba(20, 29, 38, .92);
  --panel-strong: #18232e;
  --line: #2a3948;
  --line-bright: #3b5063;
  --text: #edf4f1;
  --muted: #91a1ae;
  --mint: #9ef6d0;
  --mint-deep: #5bd0a2;
  --blue: #9bceff;
  --orange: #f2bb7e;
  --danger: #ff9d9d;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background: var(--ink);
  color: var(--text);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
  content: "";
}

a { color: var(--blue); text-underline-offset: 3px; }
a:hover { color: var(--mint); }

.card {
  width: min(680px, calc(100% - 32px));
  margin: clamp(32px, 12vh, 120px) auto 48px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 14px 38px rgba(0, 0, 0, .24), inset 0 1px rgba(255,255,255,.035);
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 12px; font-size: clamp(1.65rem, 3vw, 2rem); letter-spacing: -.04em; }
h2 { margin-bottom: 0; font-size: 1.15rem; letter-spacing: -.02em; }
p { line-height: 1.58; }
.muted { color: var(--muted); font-size: .92rem; }
.warning { color: var(--orange); }
code, input, .brand, .usage-key-prefix, .usage-tokens, .summary-card strong { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
code { color: var(--mint); }

.button, button, .button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 9px;
  padding: 10px 15px;
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: border-color .18s ease, background .18s ease, color .18s ease, transform .18s ease;
}

.button, button:not(.period-button) { background: var(--mint); color: #0a1915; }
.button:hover, button:not(.period-button):hover { background: #c4ffe5; color: #06120e; transform: translateY(-1px); }
.button-secondary { border-color: var(--line-bright); background: rgba(41, 57, 72, .45); color: var(--text); }
.button-secondary:hover { border-color: var(--mint-deep); background: rgba(56, 87, 88, .5); color: var(--mint); }
.danger { background: transparent !important; border-color: rgba(255, 157, 157, .45); color: var(--danger) !important; }
.danger:hover { background: rgba(255, 100, 100, .1) !important; border-color: var(--danger); }

button:focus-visible, a:focus-visible, input:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; }

label { display: block; margin: 26px 0 8px; color: var(--muted); font-size: .88rem; font-weight: 650; letter-spacing: .02em; }
.keyrow { display: flex; gap: 8px; }
input { flex: 1; min-width: 0; padding: 11px 12px; border: 1px solid var(--line-bright); border-radius: 9px; background: #0d151d; color: var(--text); font-size: .9rem; }
.rotate-form { margin-top: 28px; }
.account-link { margin: 16px 0 0; }

.portal-intro { padding: 54px 0 28px; }
.portal-intro h1 { margin-bottom: 9px; font-size: clamp(2.2rem, 6vw, 4rem); line-height: 1; }
.service-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; align-items: start; }
.service-card { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); box-shadow: inset 0 1px rgba(255,255,255,.025); }
.service-card h2 { margin-bottom: 12px; font-size: 1.35rem; }
.service-card .eyebrow { margin-bottom: 8px; }
.service-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0; }
.inline-form { margin: 0; }
.vpn-ok { color: var(--mint); }
.howto { margin-top: 8px; color: var(--muted); font-size: .9rem; }
.howto summary { color: var(--blue); cursor: pointer; }
.howto ul { margin: 12px 0; padding-left: 20px; line-height: 1.6; }

.admin-events { margin-top: 14px; }
.admin-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.admin-table th { padding: 12px 8px 8px; color: var(--muted); font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-align: left; text-transform: uppercase; }
.admin-table td { padding: 10px 8px; border-top: 1px solid rgba(145,161,174,.12); overflow-wrap: anywhere; }
.admin-table button { padding: 6px 10px; font-size: .78rem; }

.page-shell {
  width: min(1100px, calc(100% - 40px));
  margin: 22px auto 64px;
}

.page-topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 8px 0 30px; border-bottom: 1px solid rgba(145,161,174,.18); }
.brand { color: var(--text); font-size: .78rem; font-weight: 750; letter-spacing: .13em; text-decoration: none; }
.brand span { color: var(--mint-deep); padding: 0 5px; }
.topnav { display: flex; align-items: center; gap: 20px; font-size: .85rem; }
.topnav a { color: var(--muted); text-decoration: none; }
.topnav a:hover { color: var(--text); }

.stats-intro { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding: 60px 0 30px; }
.eyebrow { margin-bottom: 11px; color: var(--mint-deep); font-family: "SFMono-Regular", Consolas, monospace; font-size: .68rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.stats-intro h1 { margin-bottom: 9px; font-size: clamp(2.5rem, 7vw, 5.4rem); line-height: .98; }
.stats-lede { max-width: 440px; margin-bottom: 0; color: var(--muted); font-size: 1rem; }
.stats-identity { max-width: 260px; padding: 13px 0 5px 22px; border-left: 1px solid var(--line-bright); color: var(--muted); font-size: .72rem; }
.stats-identity span { display: block; margin-bottom: 7px; font-family: "SFMono-Regular", Consolas, monospace; letter-spacing: .1em; text-transform: uppercase; }
.stats-identity strong { display: block; color: var(--text); font-size: .84rem; font-weight: 600; overflow-wrap: anywhere; }

.period-switch { display: inline-flex; gap: 4px; margin-bottom: 24px; padding: 4px; border: 1px solid var(--line); border-radius: 11px; background: rgba(19, 29, 38, .75); }
.period-button { min-width: 84px; padding: 9px 13px; border: 1px solid transparent; border-radius: 7px; background: transparent; color: var(--muted); font-size: .82rem; font-weight: 650; cursor: pointer; }
.period-button:hover { color: var(--text); background: rgba(255,255,255,.04); }
.period-button.is-active { border-color: rgba(158,246,208,.32); background: rgba(91,208,162,.13); color: var(--mint); }

.stats-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 15px; }
.summary-card { min-height: 142px; padding: 19px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); box-shadow: inset 0 1px rgba(255,255,255,.025); }
.summary-card--accent { border-color: rgba(91,208,162,.38); background: rgba(48, 111, 93, .24); }
.summary-label { display: block; margin-bottom: 16px; color: var(--muted); font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.summary-card strong { display: block; color: var(--text); font-size: clamp(1.45rem, 3vw, 2.1rem); letter-spacing: -.06em; }
.summary-card--accent strong { color: var(--mint); }
.summary-card small { display: block; margin-top: 11px; color: var(--muted); font-size: .74rem; }

.usage-panel { padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: rgba(17, 26, 34, .85); }
.panel-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding-bottom: 19px; border-bottom: 1px solid rgba(145,161,174,.16); }
.panel-heading .eyebrow { margin-bottom: 8px; }
.panel-status { color: var(--mint-deep); font-family: "SFMono-Regular", Consolas, monospace; font-size: .7rem; }
.panel-status.is-error { color: var(--danger); }
.usage-list { display: grid; gap: 3px; padding-top: 6px; }
.usage-row { padding: 17px 2px 18px; border-bottom: 1px solid rgba(145,161,174,.12); }
.usage-row:last-child { border-bottom: 0; }
.usage-row-top, .usage-row-bottom { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.usage-row-bottom { align-items: center; margin-top: 13px; }
.usage-key { min-width: 0; display: flex; align-items: baseline; gap: 11px; }
.usage-key-name { min-width: 0; overflow: hidden; color: var(--text); font-size: .92rem; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; }
.usage-key-prefix { flex: 0 0 auto; color: var(--muted); font-size: .7rem; }
.key-state { flex: 0 0 auto; padding: 4px 7px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-family: "SFMono-Regular", Consolas, monospace; font-size: .63rem; text-transform: uppercase; }
.key-state--active { border-color: rgba(91,208,162,.3); color: var(--mint-deep); }
.usage-meter { position: relative; flex: 1; height: 7px; overflow: hidden; border-radius: 99px; background: #263541; }
.usage-meter-fill { display: block; height: 100%; min-width: 0; border-radius: inherit; background: var(--mint-deep); transition: width .45s cubic-bezier(.2,.8,.2,1); }
.usage-value { display: flex; align-items: baseline; gap: 8px; min-width: 180px; justify-content: end; }
.usage-tokens { color: var(--text); font-size: .92rem; }
.usage-unit { color: var(--muted); font-size: .69rem; }
.usage-cost { color: var(--orange); font-family: "SFMono-Regular", Consolas, monospace; font-size: .68rem; }
.stats-skeleton { height: 69px; margin: 3px 0; border-radius: 8px; background: linear-gradient(90deg, rgba(255,255,255,.03), rgba(255,255,255,.085), rgba(255,255,255,.03)); background-size: 240% 100%; animation: shimmer 1.7s ease-in-out infinite; }
.empty-state { margin: 0; padding: 34px 8px; color: var(--muted); text-align: center; }
.empty-state--error { color: var(--danger); }
.stats-footnote { margin: 14px 2px 0; color: var(--muted); font-size: .72rem; }

@keyframes shimmer { 0% { background-position: 120% 0; } 100% { background-position: -80% 0; } }

@media (max-width: 760px) {
  .page-shell { width: min(100% - 28px, 680px); }
  .stats-intro { display: block; padding-top: 42px; }
  .stats-identity { margin-top: 28px; padding: 12px 0 0; border-top: 1px solid var(--line-bright); border-left: 0; }
  .stats-summary { grid-template-columns: 1fr; }
  .summary-card { min-height: 0; }
  .service-grid { grid-template-columns: 1fr; }
  .admin-table thead { display: none; }
  .admin-table td { display: block; padding: 4px 0; border-top: 0; }
  .admin-table tr { display: block; padding: 10px 0; border-top: 1px solid rgba(145,161,174,.12); }
}

@media (max-width: 560px) {
  .card { width: min(100% - 22px, 680px); margin-top: 28px; padding: 24px; }
  .page-shell { width: calc(100% - 22px); margin-top: 13px; }
  .page-topbar { padding-bottom: 22px; }
  .topnav { gap: 12px; }
  .brand { font-size: .68rem; }
  .stats-intro h1 { font-size: clamp(2.5rem, 15vw, 4rem); }
  .usage-panel { padding: 17px 14px; }
  .usage-key { display: block; }
  .usage-key-prefix { display: block; margin-top: 5px; }
  .usage-row-top { align-items: start; }
  .usage-row-bottom { display: block; }
  .usage-value { justify-content: start; min-width: 0; margin-top: 10px; }
  .period-button { min-width: 0; flex: 1; }
  .period-switch { display: flex; width: 100%; }
  .keyrow { display: block; }
  .keyrow button { width: 100%; margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}