:root {
  --bg: #0e0f12;
  --card: #16181d;
  --card-2: #1d2026;
  --border: #262a31;
  --text: #e7e9ee;
  --muted: #8a91a0;
  --accent: #4f8cff;
  --accent-hover: #6fa1ff;
  --warn: #f0b429;
  --danger: #ef4444;
  --ok: #22c55e;
  --offline: #6b7280;
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--danger); min-height: 1em; margin: 8px 0 0; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

button {
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  transition: background .15s, border-color .15s;
}
button:hover { background: #232730; border-color: #353a45; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.warn { border-color: var(--warn); color: var(--warn); }
button.warn:hover { background: rgba(240,180,41,.1); }
button.danger { border-color: var(--danger); color: var(--danger); }
button.danger:hover { background: rgba(239,68,68,.1); }
button.ghost { background: transparent; }
button.small { padding: 4px 8px; font-size: 12px; }

input[type=url], input[type=password] {
  width: 100%;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 8px;
  font: inherit;
  margin-top: 4px;
}
input[type=url]:focus, input[type=password]:focus {
  outline: none;
  border-color: var(--accent);
}

label { display: block; margin-bottom: 12px; }

#login {
  max-width: 380px;
  margin: 80px auto;
  padding: 28px;
}
#login h1 { margin: 0 0 4px; font-size: 28px; }
#login p { margin: 0 0 20px; }
#login button { width: 100%; margin-top: 8px; }

#dashboard header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: .5px; }
.status { display: flex; align-items: center; gap: 8px; flex: 1; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--offline); }
.dot.online { background: var(--ok); box-shadow: 0 0 8px rgba(34,197,94,.7); }
.dot.offline { background: var(--offline); }

main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  padding: 16px 20px;
}
.actions { grid-column: 1 / -1; }
.screen { grid-column: 1 / -1; }
.keylog { min-height: 240px; }
.commands { min-height: 240px; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}

.upload-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}
.file-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  cursor: pointer;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
}
.file-label input { display: none; }

.row-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
h2 { margin: 0; font-size: 15px; font-weight: 600; }

.screen-frame {
  position: relative;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--border);
}
.screen-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}

#keylog {
  margin: 0;
  background: #0a0b0e;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  height: 280px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
  font: 12px/1.5 ui-monospace, "JetBrains Mono", Menlo, monospace;
  color: #cbd5e1;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
th, td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 500; }
td.status-ok { color: var(--ok); }
td.status-error { color: var(--danger); }
td.status-pending, td.status-delivered { color: var(--warn); }

@media (max-width: 760px) {
  main { grid-template-columns: 1fr; }
}