:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-border: #d9dfeb;
  --text: #1c2431;
  --muted: #5f6b82;
  --accent: #0f6cbf;
  --accent-dark: #09538f;
  --danger: #b03030;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 15%, #ffffff 0%, #eef2fb 42%, #e8edf8 100%);
}

.layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 330px 1fr;
  gap: 1rem;
  padding: 1rem;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 14px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.panel h1 {
  margin: 0;
  font-size: 1.25rem;
}

.subtitle {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.95rem;
}

label {
  font-size: 0.85rem;
  color: var(--muted);
}

input[type="text"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid #cfd6e4;
  border-radius: 10px;
  font-size: 0.95rem;
  background: #ffffff;
  color: var(--text);
}

.row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

button {
  border: 0;
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  cursor: pointer;
  font-weight: 600;
}

button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.primary {
  color: #ffffff;
  background: var(--accent);
}

.primary:hover {
  background: var(--accent-dark);
}

.ghost {
  color: #2f3b52;
  background: #e6ebf5;
}

.switch {
  margin-top: 0.4rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  color: #2f3b52;
}

.status,
.meta {
  margin: 0.2rem 0 0;
  font-size: 0.88rem;
}

.helper {
  margin-top: -0.2rem;
  color: #4f627f;
}

.warning {
  margin-top: 0.55rem;
  color: var(--danger);
  font-size: 0.83rem;
}

.viewerWrap {
  background: #111924;
  border: 1px solid #1d2634;
  border-radius: 14px;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hostLayout {
  grid-template-columns: 380px 1fr;
}

.viewerHeader {
  color: #dce7ff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid #273246;
  background: linear-gradient(180deg, #1b2839 0%, #172231 100%);
}

#screen {
  width: 100%;
  height: 100%;
  object-fit: contain;
  flex: 1;
  background: #0f1622;
  cursor: crosshair;
  outline: none;
}

#preview {
  width: 100%;
  height: 100%;
  object-fit: contain;
  flex: 1;
  background: #0f1622;
}

.requestBox {
  margin-top: 0.6rem;
  padding: 0.65rem;
  border: 1px solid #d3daea;
  border-radius: 10px;
  background: #f7f9fe;
}

.requestsList {
  margin-top: 0.45rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.9rem;
}

.requestItem {
  border: 1px solid #d3daea;
  border-radius: 8px;
  padding: 0.45rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.45rem;
  background: #ffffff;
}

.requestActions {
  display: flex;
  gap: 0.35rem;
}

.requestActions button {
  padding: 0.45rem 0.55rem;
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .panel {
    order: 2;
  }

  .viewerWrap {
    order: 1;
    min-height: 48vh;
  }
}