:root {
  --bg: #0d1010;
  --surface: #161a19;
  --surface-raised: #1c2220;
  --surface-soft: #111514;
  --line: #2b3331;
  --line-strong: #3d4945;
  --text: #f1f4f7;
  --muted: #a5afb9;
  --muted-2: #7f8a96;
  --accent: #40b989;
  --accent-hover: #58c99a;
  --accent-ink: #06130d;
  --success: #75d2a3;
  --success-bg: #162a23;
  --success-line: #2a5c48;
  --danger: #ef8e8e;
  --danger-bg: #2b1b1e;
  --danger-line: #63363c;
  --focus: rgba(64, 185, 137, 0.2);
  --radius: 10px;
  --radius-sm: 7px;
  --content: 1240px;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); color-scheme: dark; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.9;
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 20;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  transform: translateY(-160%);
  transition: transform 150ms ease;
}

.skip-link:focus { transform: translateY(0); }

.wrap { position: relative; z-index: 1; width: min(100% - 32px, var(--content)); margin: 0 auto; padding: 18px 0 56px; }
.page-shell { width: 100%; }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 56px;
  margin-bottom: 26px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.nav-top { display: flex; align-items: center; gap: 16px; }
.brand { color: var(--text); font-size: 20px; font-weight: 750; letter-spacing: -0.02em; }
.brand:hover { color: var(--accent-hover); }

.menu-toggle {
  display: none;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 6px; flex-wrap: wrap; }

.nav-links a, .nav-user, .nav-btn {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: transparent;
  font-size: 14px;
}

.nav-links a:hover, .nav-btn:hover { border-color: var(--line); background: var(--surface); color: var(--text); }
.nav-user { border-color: var(--line); color: var(--text); background: var(--surface-soft); }
.inline-form { margin: 0; }
.nav-btn { cursor: pointer; }

.flash-message, .error-box {
  margin: 0 0 18px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.flash-message { border-color: var(--success-line); color: var(--success); }
.error-box { border-color: var(--danger-line); color: var(--danger); }

.hero, .panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.22);
}

.hero { margin-bottom: 18px; padding: clamp(22px, 4vw, 36px); }
.hero h1 { max-width: 780px; margin: 0; color: var(--text); font-size: clamp(30px, 4.2vw, 52px); line-height: 1.08; letter-spacing: -0.035em; font-weight: 760; }
.hero p { max-width: 720px; margin: 14px 0 0; color: var(--muted); font-size: 17px; line-height: 1.65; }

.hero-actions { display: flex; gap: 9px; flex-wrap: wrap; align-items: center; margin-top: 20px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 7px 11px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.btn:hover { border-color: #53605c; background: #232927; }
.btn.primary { border-color: var(--accent); background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { border-color: var(--accent-hover); background: var(--accent-hover); }
.btn.secondary { background: transparent; }
.btn.secondary:hover { background: var(--surface-raised); }
.btn.ghost { background: var(--surface-soft); }
.btn.danger { border-color: var(--danger-line); background: var(--danger-bg); color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); background: #3a2226; }
.btn.full { width: 100%; }

.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 14px; align-items: start; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.panel { min-width: 0; padding: clamp(16px, 2vw, 20px); }
.panel h2 { margin: 0 0 16px; font-size: 21px; line-height: 1.2; letter-spacing: -0.02em; }
.panel h3 { line-height: 1.25; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.metric-grid.compact { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat-card { min-width: 0; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-soft); }
.stat-card span, .stat-card small { display: block; color: var(--muted-2); font-size: 13px; }
.stat-card strong { display: block; margin-top: 7px; overflow-wrap: anywhere; color: var(--text); font-size: clamp(20px, 2.2vw, 27px); line-height: 1.2; }
.stat-card small { margin-top: 5px; }
.muted { color: var(--muted); }

.metric-row, .server-row, .health-row { display: flex; justify-content: space-between; gap: 18px; padding: 11px 0; border-top: 1px solid var(--line); }
.metric-row:first-child, .server-row:first-child, .health-row:first-child { border-top: 0; }
.metric-row span { color: var(--muted); }
.metric-row strong { text-align: right; overflow-wrap: anywhere; }
.metric-row-stack { display: block; }
.metric-row-stack strong { display: block; margin-top: 4px; text-align: left; }

.list { margin: 0; padding-left: 20px; color: var(--muted); }
.list li + li { margin-top: 9px; }
.list.ordered { color: var(--text); }
.list.ordered li::marker { color: var(--accent); font-weight: 700; }

.pill { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 8px; border: 1px solid var(--line); border-radius: 5px; background: var(--surface-soft); color: var(--muted); font-size: 12px; font-weight: 700; }
.pill.ok { border-color: var(--success-line); background: var(--success-bg); color: var(--success); }
.pill.bad { border-color: var(--danger-line); background: var(--danger-bg); color: var(--danger); }
.pill.neutral { color: var(--muted); }

.codebox { max-width: 100%; padding: 13px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #0b0e12; color: #c6d4e6; font-size: 14px; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; }
/* deslop-ignore-next-line 34 -- monospace is intentional for subscription URLs and tokens. */
.codebox { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; }
.codebox.compact { margin-top: 10px; padding: 10px; font-size: 13px; }

.subsection { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.subsection:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.subsection-title { margin-bottom: 10px; color: var(--accent); font-weight: 700; }

.toolbar { margin-bottom: 18px; }
.toolbar input, .backup-search, .backup-select, .admin-form input, .admin-form select, .auth-form input, .inline-number-form input, .inline-number-form select { width: 100%; min-height: 38px; padding: 7px 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); outline: 0; background: var(--surface-soft); color: var(--text); font-size: 14px; }
.toolbar input:focus, .backup-search:focus, .backup-select:focus, .admin-form input:focus, .admin-form select:focus, .auth-form input:focus, .inline-number-form input:focus, .inline-number-form select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--focus); }
input::placeholder { color: var(--muted-2); }

.backup-toolbar { display: grid; grid-template-columns: minmax(220px, 1fr) auto; gap: 10px; align-items: center; }
.backup-toolbar-full { margin-bottom: 18px; }
.backup-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.backup-actions .btn, .backup-actions .backup-select { width: auto; }
.backup-inline-form { min-width: 0; }

.admin-create-card { margin-bottom: 14px; padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-soft); }
.admin-create-card summary { color: var(--accent); font-size: 14px; font-weight: 700; cursor: pointer; user-select: none; }
.admin-create-card[open] summary { margin-bottom: 10px; }
.inline-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 9px; }
.admin-form { margin: 0; }
.admin-form label, .auth-form label { display: block; color: var(--muted); font-size: 13px; }
.admin-form label > span { display: block; margin-bottom: 6px; }
.stacked-form { display: grid; gap: 10px; }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.three-col-desktop { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.password-grid { grid-template-columns: 1fr auto; margin-top: 10px; }
.toggle-line { display: inline-flex; align-items: center; gap: 9px; min-height: 42px; color: var(--text); }
.toggle-line.with-frame { padding: 0 11px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-soft); }
.toggle-line input { width: 16px; height: 16px; accent-color: var(--accent); }

.section-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.users-head { margin-bottom: 12px; }
.users-head .muted { margin-top: 5px; }

.user-register-head, .user-tile-head { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(110px, .35fr) minmax(120px, .4fr) minmax(110px, .35fr); align-items: center; gap: 12px; }
.user-register-head { padding: 7px 12px; color: var(--muted-2); font-size: 12px; }
.user-card-grid { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-soft); }
.user-tile { min-width: 0; border-bottom: 1px solid var(--line); background: transparent; }
.user-tile:last-child { border-bottom: 0; }
.user-tile:hover { background: var(--surface); }
.user-tile.is-open { background: var(--surface); box-shadow: inset 3px 0 0 var(--accent); }
.user-tile-head { width: 100%; padding: 8px 12px; border: 0; background: transparent; color: inherit; text-align: left; cursor: pointer; }
.user-tile-head:hover { background: var(--surface); }
.user-tile-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; font-weight: 750; }
.user-tile-subtitle { margin-top: 1px; color: var(--muted); font-size: 12px; }
.user-tile-metrics { display: contents; }
.user-tile-metric { min-width: 0; }
.user-tile-metric span { display: none; }
.user-tile-metric strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; }
.status-metric.is-active strong { color: var(--success); }
.status-metric.is-inactive strong { color: var(--danger); }
.user-register-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 10px; }
.user-pagination { display: flex; align-items: center; gap: 9px; font-size: 13px; }
.user-pagination .btn { min-height: 32px; padding: 6px 10px; }
.user-pagination .btn:disabled { opacity: .4; cursor: default; }

.user-tile-body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 180ms ease; }
.user-tile-body-inner { min-height: 0; overflow: hidden; opacity: 0; transition: opacity 150ms ease; }
.user-tile.is-open .user-tile-body { grid-template-rows: 1fr; }
.user-tile.is-open .user-tile-body-inner { opacity: 1; }
.user-tile .workspace-grid { padding: 4px 12px 12px; border-top: 1px solid var(--line); }

.workspace-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.devices-workspace { grid-column: 1 / -1; }
.workspace-card { min-width: 0; padding: 15px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); }
.workspace-card-head { margin-bottom: 12px; }
.workspace-card-head h3 { margin: 0; font-size: 17px; }
.workspace-card-head p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.workspace-card.narrow-card { max-width: 540px; }
.mini-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin-bottom: 14px; }
.mini-stat { min-width: 0; padding: 9px 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-soft); }
.mini-stat span { display: block; color: var(--muted-2); font-size: 12px; }
.mini-stat strong { display: block; margin-top: 3px; overflow-wrap: anywhere; font-size: 14px; }

.embedded-actions { display: grid; gap: 9px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.embedded-actions-title { color: var(--muted); font-size: 13px; font-weight: 700; }
.embedded-danger-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.compact-actions { margin-top: 12px; }
.inline-number-form { display: flex; gap: 8px; align-items: center; }
.inline-number-form.long input, .inline-number-form.long select { width: 280px; }
.extend-form-block { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }

.device-table-head, .devices-workspace .device-card { display: grid; grid-template-columns: minmax(220px, 1.4fr) minmax(130px, .7fr) minmax(150px, .8fr) minmax(190px, .8fr); gap: 12px; align-items: center; }
.device-table-head { padding: 6px 10px; border-bottom: 1px solid var(--line); color: var(--muted-2); font-size: 12px; }
.device-table { border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.devices-workspace .device-card { padding: 8px 10px; border-top: 1px solid var(--line); }
.devices-workspace .device-card:first-child { border-top: 0; }
.device-main, .device-system, .device-last-seen { min-width: 0; overflow-wrap: anywhere; font-size: 13px; }
.device-main strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.device-system span { display: block; margin-top: 2px; }
.device-meta, .device-actions { display: flex; gap: 9px; align-items: center; justify-content: flex-end; flex-wrap: wrap; }
.device-user-agent { max-width: 500px; margin-top: 3px; overflow-wrap: anywhere; font-size: 13px; }
.device-technical { grid-column: 1 / -1; font-size: 12px; }
.device-technical summary { color: var(--muted); cursor: pointer; }
.device-technical[open] { padding-top: 6px; border-top: 1px solid var(--line); }
.empty-box { padding: 13px; border: 1px dashed var(--line-strong); border-radius: var(--radius-sm); color: var(--muted); background: var(--surface-soft); }

.server-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.server-card { min-width: 0; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-soft); }
.server-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.server-badges { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.profile-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 9px; margin-top: 10px; }
.profile-card { padding: 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-soft); }
.subscription-box { margin-top: 12px; padding: 13px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-soft); }
.subscription-edit-grid, .device-slot-grid, .server-form-grid { display: grid; gap: 9px; margin-top: 10px; }
.subscription-edit-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.device-slot-grid { grid-template-columns: minmax(140px, 220px) 1fr; }
.server-form-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.span-all { grid-column: 1 / -1; }
.center-panel { grid-column-start: 4; }

.auth-layout { display: flex; justify-content: center; }
.auth-panel { width: min(100%, 520px); }
.auth-form { display: grid; gap: 9px; }
.auth-form label { margin-top: 5px; }

.admin-hero {
  margin-bottom: 8px;
  padding: 2px 2px 8px;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.admin-hero h1 {
  font-size: clamp(26px, 3vw, 34px);
  letter-spacing: -0.025em;
}

.admin-hero p {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.45;
}

.admin-grid { gap: 12px; }
.admin-grid .panel { padding: 16px; }
.admin-grid .panel h2 { margin-bottom: 11px; font-size: 19px; }
.admin-grid .metric-grid { gap: 8px; }
.admin-grid .stat-card { padding: 10px 12px; }
.admin-grid .stat-card strong { margin-top: 4px; font-size: 22px; }
.admin-grid .backup-toolbar-full { margin-bottom: 12px; }
.admin-grid .section-head { margin-bottom: 10px; }

.admin-body .wrap {
  width: calc(100% - 28px);
  max-width: none;
}

[hidden] { display: none !important; }

@media (max-width: 1080px) {
  .metric-grid, .metric-grid.compact { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workspace-grid { grid-template-columns: 1fr; }
  .inline-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .span-4, .span-5, .span-6, .span-7, .span-8, .span-12 { grid-column: 1 / -1; }
  .server-grid, .user-card-grid { grid-template-columns: 1fr; }
  .user-tile.is-open { grid-column: auto; }
  .admin-body .user-card-grid { grid-template-columns: 1fr; }
  .subscription-edit-grid, .server-form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nav { align-items: flex-start; }
  .user-register-head { display: none; }
  .user-tile-head { grid-template-columns: 1fr repeat(3, minmax(74px, auto)); }
  .device-table-head { display: none; }
  .devices-workspace .device-card { grid-template-columns: 1fr 1fr; }
  .device-actions { justify-content: flex-start; }
}

@media (max-width: 680px) {
  .wrap { width: min(100% - 24px, var(--content)); padding-top: 12px; }
  .nav { display: block; margin-bottom: 18px; padding-bottom: 12px; }
  .nav-top { justify-content: space-between; }
  .menu-toggle { display: inline-flex; }
  .nav-links { display: none; width: 100%; margin-top: 12px; flex-direction: column; align-items: stretch; gap: 6px; }
  .nav-links.open { display: flex; }
  .nav-links a, .nav-user, .nav-btn { width: 100%; justify-content: flex-start; }
  .hero { padding: 20px; }
  .hero h1 { font-size: 32px; }
  .hero p { font-size: 16px; }
  .panel { padding: 17px; }
  .metric-grid, .metric-grid.compact, .inline-grid, .two-col, .three-col-desktop, .mini-stats, .subscription-edit-grid, .device-slot-grid, .server-form-grid { grid-template-columns: 1fr; }
  .backup-toolbar { grid-template-columns: 1fr; }
  .backup-actions { align-items: stretch; flex-direction: column; }
  .backup-actions .btn, .backup-actions .backup-select { width: 100%; }
  .metric-row, .server-card-top, .device-card, .section-head { flex-direction: column; align-items: flex-start; }
  .metric-row strong { text-align: left; }
  .device-meta, .device-actions, .server-badges { justify-content: flex-start; }
  .hero-actions .btn { flex: 1 1 100%; }
  .inline-number-form, .inline-number-form.long { align-items: stretch; flex-direction: column; }
  .inline-number-form.long input, .inline-number-form.long select { width: 100%; }
  .admin-body .wrap { width: calc(100% - 16px); }
  .user-tile-head { grid-template-columns: 1fr 1fr; padding: 9px; }
  .user-tile-titlebox { grid-column: 1 / -1; }
  .user-tile-metrics { display: grid; grid-column: 1 / -1; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .user-tile-metric span { display: block; color: var(--muted-2); font-size: 10px; }
  .user-register-footer { align-items: flex-start; flex-direction: column; }
  .devices-workspace .device-card { grid-template-columns: 1fr; }
  .device-technical { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}