:root {
  --bg: #04060b;
  --bg-2: #070a12;
  --panel: #0b0f1a;
  --panel-2: #121828;
  --border: #1b2338;
  --border-soft: #141a2b;
  --text: #eaf0fb;
  --muted: #8790a6;
  --accent: #4f8bff;
  --accent-2: #7c5cff;
  --accent-hover: #6ba0ff;
  --accent-glow: rgba(79, 139, 255, 0.35);
  --online: #35dd88;
  --offline: #5b6478;
  --danger: #ff5d67;
  --radius: 12px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn { 0% { opacity: 0; transform: scale(0.96); } 100% { opacity: 1; transform: scale(1); } }
@keyframes shimmer { from { background-position: -400px 0; } to { background-position: 400px 0; } }
@keyframes bgFloat { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(3%, 4%); } }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 700px at 12% -8%, rgba(79, 139, 255, 0.10), transparent 60%),
    radial-gradient(1000px 600px at 100% 0%, rgba(124, 92, 255, 0.09), transparent 55%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Dark, slim scrollbars everywhere */
* { scrollbar-width: thin; scrollbar-color: #232c44 transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: #1e2740; border-radius: 8px; border: 2px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-thumb:hover { background: #2c3757; background-clip: content-box; }

a { color: var(--accent); text-decoration: none; transition: color 0.15s var(--ease); }
a:hover { color: var(--accent-hover); }

button {
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: transform 0.14s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease), box-shadow 0.18s var(--ease);
}
button:hover { background: #1a2236; border-color: #2a3552; transform: translateY(-1px); }
button:active { transform: translateY(0) scale(0.98); }
button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent; color: #fff; font-weight: 600;
  box-shadow: 0 4px 16px -6px var(--accent-glow);
}
button.primary:hover { filter: brightness(1.08); box-shadow: 0 8px 24px -6px var(--accent-glow); transform: translateY(-1px); }
button.danger { border-color: var(--danger); color: var(--danger); }
button.danger:hover { background: rgba(248, 81, 73, 0.12); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

input[type="password"], input[type="text"] {
  font: inherit;
  width: 100%;
  padding: 11px 13px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
}
input {
  transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s var(--ease);
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); background: #0f1626; }
input::placeholder { color: #5c6478; }

/* ---- login ---- */
.center-wrap {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  width: 100%; max-width: 380px;
  box-shadow: 0 24px 70px -24px rgba(0,0,0,0.75), 0 0 0 1px rgba(255,255,255,0.02) inset;
  animation: popIn 0.55s var(--ease) both;
}
.center-wrap .card { position: relative; }
.center-wrap .card::before {
  content: ""; position: absolute; inset: -1px; border-radius: 17px; padding: 1px; z-index: -1;
  background: linear-gradient(135deg, var(--accent-glow), transparent 40%, rgba(124,92,255,0.25));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0.7;
}
.card h1 { margin: 0 0 4px; font-size: 21px; letter-spacing: -0.01em; }
.card p.sub { margin: 0 0 20px; color: var(--muted); font-size: 14px; }
.field { margin-bottom: 14px; }
.err { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 8px; }

/* ---- dashboard ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--border);
  background: rgba(8, 11, 20, 0.72); backdrop-filter: blur(14px) saturate(1.4); -webkit-backdrop-filter: blur(14px) saturate(1.4);
  position: sticky; top: 0; z-index: 10;
  animation: fadeIn 0.4s var(--ease) both;
}
.topbar h1 { font-size: 17px; margin: 0; }
.nav { display: flex; gap: 6px; align-items: center; }
.nav .brand {
  font-weight: 700; font-size: 15px; margin-right: 12px;
  background: linear-gradient(120deg, var(--text), #9fc0ff); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.navlink {
  padding: 7px 13px; border-radius: 8px; font-size: 14px; color: var(--muted);
  border: 1px solid transparent; transition: color 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}
.navlink:hover { background: var(--panel-2); color: var(--text); }
.navlink.active { background: linear-gradient(135deg, rgba(79,139,255,0.16), rgba(124,92,255,0.12)); color: #fff; border-color: rgba(79,139,255,0.4); box-shadow: 0 0 0 1px rgba(79,139,255,0.12) inset; }

/* ---- user database ---- */
.udb-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 16px; }
.udb-toolbar .grow { flex: 1 1 240px; }
.udb-search { position: relative; flex: 1 1 260px; }
.udb-search input { padding-left: 34px; }
.udb-search::before { content: "⌕"; position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 16px; }
.udb-stats { color: var(--muted); font-size: 13px; margin: 6px 2px 14px; }
.udb-stats b { color: var(--text); }
.card.pad { padding: 18px; margin-bottom: 18px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
table.udb { width: 100%; border-collapse: collapse; font-size: 14px; }
table.udb th, table.udb td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.udb th {
  position: sticky; top: 0; z-index: 1; cursor: pointer; user-select: none;
  background: rgba(11, 15, 26, 0.9); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  font-weight: 600; color: var(--muted); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase;
  transition: color 0.15s var(--ease);
}
table.udb th:hover { color: var(--text); }
table.udb th .arrow { color: var(--accent); margin-left: 5px; }
table.udb tbody tr { transition: background 0.12s var(--ease); }
table.udb tbody tr:hover { background: var(--panel-2); }
table.udb td.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
table.udb mark { background: rgba(79,139,255,0.34); color: #fff; border-radius: 3px; padding: 0 2px; }
.copy-btn { background: transparent; border: none; color: var(--muted); cursor: pointer; padding: 2px 6px; border-radius: 6px; font-size: 12px; }
.copy-btn:hover { background: var(--border); color: var(--text); }
.pager { display: flex; align-items: center; gap: 10px; justify-content: center; margin-top: 16px; color: var(--muted); font-size: 13px; }
.dropzone { border: 1.5px dashed var(--border); border-radius: var(--radius); padding: 16px; text-align: center; color: var(--muted); transition: border-color 0.15s, background 0.15s; }
.dropzone { transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease); }
.dropzone:hover { border-color: #2e3a5a; }
.dropzone.drag { border-color: var(--accent); background: rgba(79,139,255,0.1); color: var(--text); box-shadow: 0 0 0 3px var(--accent-glow) inset; }
.import-result { font-size: 13px; margin-top: 10px; }
.import-result.ok { color: var(--online); }
.import-result.err { color: var(--danger); }
.row-flex { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.muted-sm { color: var(--muted); font-size: 12.5px; }
table.udb td.check, table.udb th.check { width: 34px; text-align: center; padding-right: 0; }
table.udb tbody tr.sel { background: rgba(79,139,255,0.14); }
table.udb tbody tr { cursor: pointer; }
.bulkbar {
  display: flex; align-items: center; gap: 12px; margin-bottom: 12px;
  background: linear-gradient(135deg, rgba(79,139,255,0.1), rgba(124,92,255,0.06)), var(--panel);
  border: 1px solid rgba(79,139,255,0.5); border-radius: var(--radius);
  padding: 10px 14px; font-size: 14px; animation: fadeInUp 0.25s var(--ease) both;
}
.bulkbar b { color: var(--text); }
.bulkbar .spacer { flex: 1; }

/* modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(2,4,9,0.66);
  backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; z-index: 30; padding: 20px;
  animation: fadeIn 0.2s var(--ease) both;
}
.modal {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--panel);
  border: 1px solid var(--border); border-radius: 16px;
  width: 100%; max-width: 440px; padding: 24px;
  box-shadow: 0 30px 80px -24px rgba(0,0,0,0.8);
  animation: popIn 0.3s var(--ease) both;
}
.modal h3 { margin: 0 0 16px; font-size: 17px; }
.modal .field { margin-bottom: 13px; }
.modal label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 5px; }
.modal .actions { display: flex; gap: 10px; margin-top: 20px; align-items: center; }
.modal .actions .spacer { flex: 1; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 6px 12px; font-size: 14px; margin-bottom: 6px; }
.kv .k { color: var(--muted); }
.kv .v { color: var(--text); font-weight: 500; word-break: break-word; }
.kv .v.mono { font-family: ui-monospace, Menlo, Consolas, monospace; }
.container { max-width: 900px; margin: 0 auto; padding: 26px 20px; animation: fadeInUp 0.5s var(--ease) both; }
.device-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.device {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; cursor: pointer; position: relative; overflow: hidden;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  animation: fadeInUp 0.45s var(--ease) both;
}
.device::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0; transition: opacity 0.25s var(--ease);
  background: radial-gradient(400px 140px at 50% -20%, rgba(79,139,255,0.14), transparent 70%); pointer-events: none;
}
.device:hover { border-color: rgba(79,139,255,0.55); transform: translateY(-3px); box-shadow: 0 14px 34px -18px rgba(0,0,0,0.85), 0 0 0 1px rgba(79,139,255,0.15); }
.device:hover::after { opacity: 1; }
.device:active { transform: translateY(-1px) scale(0.995); }
.device.offline { cursor: default; opacity: 0.68; }
.device.offline:hover { border-color: var(--border); transform: none; box-shadow: none; }
.device.offline:hover::after { opacity: 0; }
.device-grid .device:nth-child(1) { animation-delay: 0.02s; }
.device-grid .device:nth-child(2) { animation-delay: 0.07s; }
.device-grid .device:nth-child(3) { animation-delay: 0.12s; }
.device-grid .device:nth-child(4) { animation-delay: 0.17s; }
.device-grid .device:nth-child(n+5) { animation-delay: 0.2s; }
.device .name { font-weight: 600; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.device .meta { color: var(--muted); font-size: 13px; margin-top: 8px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: 0 0 auto; }
.dot.online { background: var(--online); box-shadow: 0 0 0 3px rgba(53,221,136,0.18); animation: pulseDot 2s var(--ease) infinite; }
@keyframes pulseDot { 0%,100% { box-shadow: 0 0 0 3px rgba(53,221,136,0.18); } 50% { box-shadow: 0 0 0 5px rgba(53,221,136,0.05); } }
.dot.offline { background: var(--offline); }
.empty { color: var(--muted); text-align: center; padding: 60px 0; animation: fadeIn 0.5s var(--ease) both; }

/* ---- viewer ---- */
.viewer-root { display: flex; flex-direction: column; height: 100vh; }
.viewer-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 14px; background: var(--panel); border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
.viewer-bar .spacer { flex: 1; }
.viewer-bar .status { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 7px; }
.bar-select {
  font: inherit; font-size: 13px; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 7px 9px; cursor: pointer;
}
.viewer-bar button { padding: 7px 11px; font-size: 13px; }
.toast {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 9px 16px; border-radius: 999px; font-size: 13px; z-index: 20;
  opacity: 0; transition: opacity 0.2s; pointer-events: none;
}
.toast.show { opacity: 1; }
.stage { flex: 1; background: #000; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
/* Show the local system cursor over the video. Because each mouse move is sent
   to the host as an absolute position, the local cursor sits exactly where the
   remote cursor is — an always-visible, lag-free pointer. */
#remote { max-width: 100%; max-height: 100%; outline: none; cursor: default; }
.stage.disconnected #remote { display: none; }
.overlay {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 15px; text-align: center; padding: 20px; pointer-events: none;
}
.pill { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); }
.hud {
  position: absolute; top: 12px; left: 12px; z-index: 5;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px; line-height: 1.5; color: #d6f5df;
  background: rgba(0,0,0,0.62); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px; padding: 8px 11px; pointer-events: none; white-space: pre;
}

/* ---- finishing touches ---- */
.card.pad { animation: fadeInUp 0.5s var(--ease) both; }
.bar-select { transition: border-color 0.18s var(--ease), box-shadow 0.18s var(--ease); }
.bar-select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.pill { transition: background 0.18s var(--ease), color 0.18s var(--ease); }
.copy-btn { transition: background 0.15s var(--ease), color 0.15s var(--ease); }
.toast { box-shadow: 0 12px 40px -12px rgba(0,0,0,0.7); }
.viewer-bar { background: rgba(8,11,20,0.82); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}