:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #071224;
  --surface: #0d1b33;
  --surface-2: #132442;
  --line: #263b60;
  --text: #edf4ff;
  --muted: #9fb1cc;
  --primary: #5d7cff;
  --primary-strong: #7891ff;
  --success: #43d79a;
  --warning: #f6bc5e;
  --danger: #f05d76;
  --shadow: 0 24px 80px rgba(0,0,0,.28);
}
* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; background: var(--bg); color: var(--text); }
body { min-height: 100vh; min-height: 100dvh; }
button, input, select { font: inherit; }
button {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform 90ms ease, filter 90ms ease, box-shadow 90ms ease;
}
button:not(:disabled):active {
  transform: translateY(2px) scale(.975);
  filter: brightness(.88);
  box-shadow: inset 0 3px 8px rgba(0,0,0,.34);
}
button:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid rgba(120,145,255,.5); outline-offset: 2px; }
[hidden] { display: none !important; }
.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; }
.muted { color: var(--muted); }
.eyebrow { margin: 0 0 .35rem; color: #88a4d8; font-size: .72rem; font-weight: 800; letter-spacing: .12em; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(1.65rem, 3vw, 2.35rem); }
h2 { margin: 0 0 .65rem; font-size: 1.5rem; }
h3 { margin: 0; }
label { display: grid; gap: .45rem; color: #bfd0e8; font-weight: 650; }
input, select {
  width: 100%; min-height: 46px; padding: .72rem .85rem; border: 1px solid var(--line);
  border-radius: 11px; background: #09152b; color: var(--text);
}
button { min-height: 44px; border: 1px solid transparent; border-radius: 10px; padding: .65rem 1rem; color: var(--text); font-weight: 750; }
.primary { background: var(--primary); }
.primary:hover { background: var(--primary-strong); }
.ghost { background: #1a2e50; border-color: #294369; }
.danger { background: #a82f49; }
button:disabled {
  cursor: not-allowed;
  color: #71839f;
  background: #142139;
  border-color: #263752;
  opacity: .66;
  filter: none;
  box-shadow: none;
}
button.ghost:not(:disabled) { background: #223d69; border-color: #42649a; }
button.danger:not(:disabled) { background: #b52f4d; border-color: #db4967; }
button.primary:not(:disabled), .device-actions .connect:not(:disabled) { background: var(--primary); }
button.connected:disabled, .device-actions .connect.connected:disabled {
  color: #06291d;
  background: var(--success);
  border-color: #7ceabf;
  opacity: 1;
}
#refresh-page.is-refreshing { color: #fff; background: #315996; opacity: 1; }
.wide { width: 100%; }
.icon-button { width: 44px; height: 44px; padding: 0; display: grid; place-items: center; background: #1a2e50; border-color: #294369; font-size: 1.3rem; }
.sidebar-close { display: none; margin-left: auto; flex: 0 0 auto; }
.login-shell { min-height: 100dvh; display: grid; place-items: center; padding: max(1.25rem, env(safe-area-inset-top)) max(1.25rem, env(safe-area-inset-right)) max(1.25rem, env(safe-area-inset-bottom)) max(1.25rem, env(safe-area-inset-left)); background: radial-gradient(circle at 20% 0%, #18366c 0, transparent 38%), var(--bg); }
.login-card { width: min(430px, 100%); padding: clamp(1.4rem, 5vw, 2.25rem); border: 1px solid var(--line); border-radius: 24px; background: rgba(13,27,51,.96); box-shadow: var(--shadow); }
.login-logo { width: min(280px, 100%); height: 86px; object-fit: contain; object-position: left center; margin-bottom: 1rem; }
.login-card form { display: grid; gap: 1rem; margin-top: 1.4rem; }
.message { min-height: 1.3rem; color: var(--danger); }
.app-shell { min-height: 100dvh; display: grid; grid-template-columns: 270px minmax(0,1fr); }
.sidebar { position: sticky; top: 0; z-index: 30; height: 100dvh; padding: 1.2rem; display: flex; flex-direction: column; gap: 1.5rem; background: #09162c; border-right: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: .8rem; }
.brand img { width: 46px; height: 46px; border-radius: 12px; }
.brand strong, .brand span { display: block; }
.brand span { color: var(--muted); font-size: .78rem; margin-top: .15rem; }
#navigation { display: grid; gap: .35rem; }
.nav-item { display: flex; align-items: center; gap: .8rem; width: 100%; text-align: left; background: transparent; color: #b9c8df; }
.nav-item span { width: 24px; text-align: center; color: #87a3d3; }
.nav-item:hover, .nav-item.active { background: #1b3157; color: #fff; }
.sidebar-footer { margin-top: auto; display: grid; gap: .8rem; }
.role-chip { padding: .65rem .75rem; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); font-size: .84rem; }
.workspace { min-width: 0; padding: 0 clamp(1rem, 3vw, 2.5rem) 3rem; }
.topbar { min-height: 104px; display: flex; align-items: center; gap: 1rem; position: sticky; top: 0; z-index: 20; background: rgba(7,18,36,.9); backdrop-filter: blur(16px); }
#menu-toggle { display: none; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: .7rem; }
.status-pill { display: inline-flex; align-items: center; min-height: 34px; padding: .35rem .7rem; border: 1px solid var(--line); border-radius: 999px; font-size: .8rem; font-weight: 800; }
.status-pill.online { color: var(--success); border-color: rgba(67,215,154,.5); background: rgba(67,215,154,.08); }
.status-pill.offline { color: var(--danger); border-color: rgba(240,93,118,.5); background: rgba(240,93,118,.08); }
.status-pill.neutral { color: var(--muted); }
.global-message {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top));
  left: 50%;
  z-index: 120;
  width: min(92vw, 680px);
  margin: 0;
  padding: .9rem 1rem;
  border: 1px solid rgba(67,215,154,.55);
  border-radius: 12px;
  background: #102b35;
  color: #eaf7f1;
  box-shadow: 0 18px 44px rgba(0,0,0,.42);
  transform: translateX(-50%);
}
.global-message[data-kind="error"] {
  border-color: rgba(240,93,118,.65);
  background: #401827;
}
.page { display: none; }
.page.active { display: block; }
.summary-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1rem; }
.summary-grid article { padding: 1.2rem; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(145deg,#102342,#0c1a31); }
.summary-grid span, .summary-grid strong { display: block; }
.summary-grid span { color: var(--muted); font-size: .85rem; }
.summary-grid strong { margin-top: .35rem; font-size: 2rem; }
.toolbar { display: flex; align-items: center; gap: .8rem; margin: 1.3rem 0; }
.search { flex: 1 1 280px; }
.segmented { display: flex; padding: 4px; border: 1px solid var(--line); border-radius: 12px; background: #09152b; }
.segmented button { min-height: 38px; padding: .45rem .8rem; background: transparent; color: var(--muted); }
.segmented button.selected { color: #fff; background: #244476; }
.device-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(min(100%,310px),1fr)); gap: 1rem; }
.device-grid.list-view { grid-template-columns: 1fr; }
.device-card { min-width: 0; padding: 1.15rem; border: 1px solid var(--line); border-radius: 17px; background: var(--surface); box-shadow: 0 12px 40px rgba(0,0,0,.12); }
.device-card-header { display: flex; align-items: flex-start; gap: .8rem; }
.device-card-header .status-pill { margin-left: auto; }
.device-name { margin: 0; font-size: 1.15rem; }
.device-meta { margin: .35rem 0 0; color: var(--muted); font-size: .83rem; }
.device-health { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .6rem; margin: 1rem 0; }
.device-health div { min-width: 0; padding: .65rem; border-radius: 10px; background: #09172d; }
.device-health span, .device-health strong { display: block; overflow-wrap: anywhere; }
.device-health span { color: var(--muted); font-size: .72rem; }
.device-health strong { margin-top: .25rem; font-size: .87rem; }
.connection-quality { margin: 0 0 .8rem; }
.connection-quality span { color: var(--muted); font-size: .75rem; }
.connection-quality select { min-height: 42px; padding-block: .55rem; }
.device-actions { display: grid; grid-template-columns: 1fr auto; gap: .6rem; }
.device-actions .connect { background: var(--primary); }
.empty-state { padding: 3rem 1rem; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 16px; }
.panel { max-width: 980px; padding: clamp(1.2rem,3vw,2rem); border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.server-installation-panel { margin-top: 1rem; }
.server-installer-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.25rem; }
.server-installer-actions .button-link { flex: 1 1 245px; }
.installer-note { margin: 1rem 0 0; font-size: .84rem; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1rem; margin-top: 1.4rem; }
.form-grid button { align-self: end; }
.result-box { display: block; min-height: 1.4rem; margin: 1rem 0; padding: .8rem; border-radius: 10px; background: #09152b; color: #c5d7ef; white-space: pre-wrap; overflow-wrap: anywhere; }
.result-box:empty { display: none; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 1.5rem 0 1rem; }
.inline-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: .65rem; }
.stack { display: grid; gap: .8rem; }
.stack-card { padding: 1rem; border: 1px solid var(--line); border-radius: 12px; background: #0a1830; }
.stack-card form { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .7rem; margin-top: .8rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .8rem; border-bottom: 1px solid var(--line); text-align: left; font-size: .86rem; }
th { color: var(--muted); }
.device-dialog { width: min(760px,calc(100% - 2rem)); max-height: calc(100dvh - 2rem); padding: 0; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.device-dialog::backdrop, .confirm-dialog::backdrop { background: rgba(2,8,18,.74); backdrop-filter: blur(3px); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; padding: 1.2rem; border-bottom: 1px solid var(--line); }
#dialog-device-content { padding: 1.2rem; overflow: auto; }
.details-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .8rem; }
.details-grid div { padding: .8rem; background: #09172d; border-radius: 10px; }
.details-grid span, .details-grid strong { display: block; overflow-wrap: anywhere; }
.details-grid span { color: var(--muted); font-size: .75rem; }
.details-grid strong { margin-top: .25rem; }
.dialog-action-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .7rem; margin-top: 1rem; }
.reinstall-result { display: grid; gap: .7rem; margin-top: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; background: #09172d; }
.reinstall-result[hidden] { display: none; }
.reinstall-result p { margin: 0; color: var(--muted); }
.reinstall-result code { display: block; max-width: 100%; padding: .75rem; border-radius: 9px; background: #061124; color: #c5d7ef; white-space: pre-wrap; overflow-wrap: anywhere; user-select: all; }
.button-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: .7rem 1rem; border-radius: 10px; text-decoration: none; font-weight: 700; }
.button-link.primary { background: var(--primary); color: #fff; }
.connection-warning { margin: 1rem 0 0; padding: .8rem; border-left: 3px solid var(--warning); border-radius: 8px; background: #2c2411; color: #f7d78a; }
.remote-credential-form { display: grid; gap: 1rem; margin-top: 1rem; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; background: #09172d; }
.remote-credential-form h3, .remote-credential-form p { margin: 0; }
.credential-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .8rem; }
.confirm-dialog { width: min(480px,calc(100% - 2rem)); border: 1px solid var(--line); border-radius: 18px; background: var(--surface); color: var(--text); }
.confirm-dialog form { display: grid; gap: 1rem; }
.dialog-actions { display: flex; justify-content: flex-end; gap: .7rem; }
.scrim { position: fixed; inset: 0; z-index: 24; background: rgba(0,0,0,.55); }
@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; transform: translateX(-105%); width: min(84vw,300px); transition: transform .2s ease; box-shadow: var(--shadow); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close { display: grid; }
  #menu-toggle { display: grid; }
  .summary-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 640px) {
  .workspace { padding-inline: max(.75rem,env(safe-area-inset-left)); }
  .topbar { min-height: 88px; padding-top: env(safe-area-inset-top); }
  .topbar-actions .status-pill { display: none; }
  .toolbar { align-items: stretch; flex-wrap: wrap; }
  .search { flex-basis: 100%; }
  .segmented { flex: 1; }
  .segmented button { flex: 1; }
  .summary-grid { gap: .65rem; }
  .summary-grid article { padding: .9rem; }
  .summary-grid strong { font-size: 1.55rem; }
  .form-grid, .stack-card form, .details-grid, .credential-grid { grid-template-columns: 1fr; }
  .dialog-action-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  button:not(:disabled):active { transform: none; filter: brightness(.78); }
}