:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #071019;
  --surface: #0d1a25;
  --surface-2: #122432;
  --border: rgba(166, 207, 221, 0.18);
  --text: #edf8fb;
  --muted: #9eb4bd;
  --accent: #55d8c5;
  --accent-strong: #29ad9b;
  --warning: #ffcb67;
  --danger: #ff7979;
  --success: #70df9a;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at top right, rgba(40, 173, 155, .15), transparent 35rem), var(--bg); color: var(--text); }
button, input, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

.topbar { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 1rem; min-height: 68px; padding: .8rem clamp(1rem, 3vw, 2.5rem); border-bottom: 1px solid var(--border); background: rgba(7,16,25,.9); backdrop-filter: blur(18px); }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 800; text-decoration: none; letter-spacing: .02em; }
.brand-mark { width: 28px; height: 28px; border: 2px solid var(--accent); border-radius: 8px; box-shadow: inset 0 0 0 5px rgba(85,216,197,.1); transform: rotate(45deg); }
.topbar-actions { display: flex; align-items: center; gap: .65rem; flex-wrap: wrap; justify-content: flex-end; }
.connection-state { color: var(--muted); font-size: .88rem; }
.connection-state.online { color: var(--success); }
.connection-state.error { color: var(--danger); }

main { width: min(1500px, 100%); margin: 0 auto; padding: clamp(1rem, 3vw, 2.5rem); }
.unlock-panel { max-width: 760px; margin: clamp(3rem, 10vh, 8rem) auto; padding: clamp(1.5rem, 4vw, 3.5rem); background: linear-gradient(145deg, rgba(18,36,50,.96), rgba(10,24,34,.96)); border: 1px solid var(--border); border-radius: 28px; box-shadow: 0 28px 80px rgba(0,0,0,.35); }
.eyebrow { color: var(--accent); font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(2rem, 5vw, 4.5rem); line-height: .98; margin: .8rem 0 1.15rem; }
h2 { font-size: 1.25rem; margin: .35rem 0 0; }
p { color: var(--muted); line-height: 1.65; }
.unlock-form label, dialog label { display: block; margin: 1rem 0 .45rem; color: #d9eaef; font-size: .9rem; font-weight: 700; }
.key-row { display: grid; grid-template-columns: 1fr auto; gap: .75rem; }
input, select { width: 100%; min-height: 44px; border: 1px solid var(--border); border-radius: 12px; background: rgba(5,14,21,.78); color: var(--text); padding: .65rem .8rem; outline: none; }
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(85,216,197,.12); }
.primary-button, .secondary-button, .icon-button { border-radius: 12px; border: 1px solid transparent; min-height: 42px; padding: .62rem .9rem; font-weight: 800; }
.primary-button { color: #031714; background: var(--accent); }
.primary-button:hover { background: #7be5d6; }
.secondary-button { color: var(--text); background: var(--surface-2); border-color: var(--border); }
.icon-button { min-width: 42px; padding: .2rem; color: var(--text); background: transparent; border-color: var(--border); font-size: 1.6rem; }
.form-error { min-height: 1.4em; margin: .55rem 0 0; color: var(--danger); font-size: .88rem; }

.console-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin: 1rem 0 1.5rem; }
.console-heading h1 { font-size: clamp(2rem, 5vw, 3.8rem); }
.summary-grid { display: grid; grid-template-columns: repeat(6, minmax(130px, 1fr)); gap: .8rem; margin-bottom: 1rem; }
.summary-card { padding: 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; }
.summary-card strong { display: block; margin-top: .4rem; font-size: 1.65rem; }
.summary-card span { color: var(--muted); font-size: .78rem; }

.workspace-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(300px, .8fr); gap: 1rem; align-items: start; }
.side-column { display: grid; gap: 1rem; }
.panel { overflow: hidden; background: rgba(13,26,37,.94); border: 1px solid var(--border); border-radius: 20px; }
.panel-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: .9rem; padding: 1rem; border-bottom: 1px solid var(--border); }
.panel-heading.compact { align-items: center; }
.filters { display: flex; gap: .55rem; min-width: min(100%, 430px); }
.device-list, .alert-list, .agent-list { display: grid; }
.empty-state { padding: 2rem 1rem; color: var(--muted); text-align: center; }

.device-card { display: grid; grid-template-columns: minmax(180px, 1.3fr) minmax(160px, 1fr) minmax(115px, .6fr) auto; gap: 1rem; align-items: center; padding: 1rem; border-bottom: 1px solid var(--border); }
.device-card:last-child { border-bottom: 0; }
.device-card:hover { background: rgba(85,216,197,.035); }
.device-title { display: flex; align-items: center; gap: .65rem; font-weight: 800; }
.status-dot { flex: 0 0 auto; width: 9px; height: 9px; border-radius: 50%; background: #687982; }
.status-dot.online { background: var(--success); box-shadow: 0 0 0 4px rgba(112,223,154,.1); }
.device-meta, .device-vendor, .device-time { color: var(--muted); font-size: .82rem; line-height: 1.5; }
.device-vendor strong { display: block; color: #d8e8ec; font-size: .88rem; }
.badges { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .45rem; }
.badge { display: inline-flex; align-items: center; min-height: 23px; padding: .15rem .48rem; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; }
.badge.unknown, .badge.watch, .badge.guest { color: var(--warning); border-color: rgba(255,203,103,.34); }
.badge.important { color: var(--danger); border-color: rgba(255,121,121,.34); }
.device-action { white-space: nowrap; }

.alert-card, .agent-card { padding: .9rem 1rem; border-bottom: 1px solid var(--border); }
.alert-card:last-child, .agent-card:last-child { border-bottom: 0; }
.alert-head, .agent-head { display: flex; justify-content: space-between; align-items: center; gap: .65rem; }
.alert-card strong, .agent-card strong { font-size: .88rem; }
.alert-card p, .agent-card p { margin: .4rem 0 0; font-size: .8rem; line-height: 1.45; }
.severity { font-size: .66rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.severity.high { color: var(--danger); }
.severity.warning { color: var(--warning); }
.text-button { margin-top: .55rem; border: 0; padding: 0; background: transparent; color: var(--accent); font-weight: 800; font-size: .76rem; }

[hidden] { display: none !important; }
dialog { width: min(540px, calc(100% - 2rem)); border: 1px solid var(--border); border-radius: 22px; background: var(--surface); color: var(--text); padding: 1.25rem; box-shadow: 0 30px 100px rgba(0,0,0,.55); }
dialog::backdrop { background: rgba(0,0,0,.72); backdrop-filter: blur(4px); }
.dialog-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.device-evidence { margin: .45rem 0 1rem; padding: .75rem .9rem; border: 1px solid var(--border); border-radius: 14px; background: rgba(255,255,255,.03); font-size: .85rem; }
.device-evidence p { margin: 0 0 .4rem; color: #d9eaef; }
.device-evidence-sessions { margin: 0; padding-left: 1.1rem; color: #d9eaef; }
.device-evidence-sessions li { margin: .2rem 0; }
.dialog-actions { display: flex; justify-content: flex-end; gap: .65rem; margin-top: 1.25rem; }

@media (max-width: 1100px) {
  .summary-grid { grid-template-columns: repeat(3, 1fr); }
  .workspace-grid { grid-template-columns: 1fr; }
  .side-column { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .topbar { align-items: flex-start; }
  .connection-state { width: 100%; text-align: right; }
  main { padding: 1rem; }
  .key-row, .two-column { grid-template-columns: 1fr; }
  .console-heading, .panel-heading { align-items: stretch; flex-direction: column; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .filters { min-width: 0; flex-direction: column; }
  .device-card { grid-template-columns: 1fr auto; }
  .device-vendor, .device-time { grid-column: 1; }
  .device-action { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
  .side-column { grid-template-columns: 1fr; }
}

/* In-place language selection; flexible controls remain usable with large text. */
.language-bar{display:flex;justify-content:flex-end;align-items:center;flex-wrap:wrap;gap:8px;padding:6px max(18px,calc((100vw - 1200px)/2));background:#071a16;color:#dcece5;font:14px/1.4 system-ui,sans-serif}.language-bar button{font:inherit;color:inherit;background:transparent;border:1px solid #527669;border-radius:9px;min-height:44px;padding:8px 14px;cursor:pointer}.language-bar button[aria-pressed="true"]{background:#82e6c1;color:#071a16;border-color:#82e6c1}.language-bar button:focus-visible{outline:3px solid #ff8d73;outline-offset:3px}

/* Keep complete labels and identifiers readable when system text is enlarged. */
.summary-grid > *, .device-card > *, .topbar > *, .dialog-heading > * { min-width: 0; }
.summary-card, .device-card, .alert-card, .agent-card, .device-evidence { overflow-wrap: anywhere; }
.summary-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.alert-head, .agent-head, .dialog-actions { flex-wrap: wrap; }
#connection-state { max-width: 100%; width: auto; white-space: normal; overflow: visible; overflow-wrap: anywhere; }
@media (max-width: 1100px) {
  .summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .device-card { grid-template-columns: minmax(0, 1fr); }
  .device-action { grid-column: 1; grid-row: auto; white-space: normal; justify-self: start; max-width: 100%; }
}