:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0a0f1c;
  color: #f3f6fb;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at top, #16233d 0, #0a0f1c 45%); }
button, input { font: inherit; }
button { cursor: pointer; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid #2a3650;
  background: rgba(7, 12, 24, 0.82);
  backdrop-filter: blur(12px);
}

h1, h2, p { margin-top: 0; }
h1 { margin-bottom: .25rem; font-size: clamp(1.4rem, 3vw, 2rem); }
h2 { font-size: 1.15rem; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 1.25rem;
  padding: clamp(1rem, 4vw, 3rem);
}

.video-panel, .controls-panel, .login-card {
  border: 1px solid #2a3650;
  border-radius: 18px;
  background: rgba(17, 25, 43, .92);
  box-shadow: 0 22px 60px rgba(0, 0, 0, .32);
}
.video-panel, .controls-panel { padding: 1.25rem; }
.video-frame { overflow: hidden; aspect-ratio: 16 / 9; border-radius: 12px; background: #000; }
video { display: block; width: 100%; height: 100%; object-fit: contain; }

.actions-grid { display: grid; gap: .75rem; }
.action-button, button[type="submit"], .secondary {
  border: 1px solid #405177;
  border-radius: 12px;
  padding: .9rem 1rem;
  color: #fff;
  background: linear-gradient(180deg, #284f92, #1d3d73);
  transition: transform .12s ease, border-color .12s ease, filter .12s ease;
}
.action-button { display: flex; align-items: center; justify-content: space-between; gap: 1rem; text-align: left; }
.action-button:hover, button[type="submit"]:hover, .secondary:hover { filter: brightness(1.12); border-color: #79a8ff; }
.action-button:active { transform: translateY(1px); }
.action-button:disabled { cursor: wait; opacity: .55; }
.secondary { background: #172137; }

kbd {
  min-width: 2.4rem;
  padding: .25rem .45rem;
  border: 1px solid #607096;
  border-bottom-width: 3px;
  border-radius: 6px;
  color: #dce8ff;
  background: #10182a;
  text-align: center;
  font-size: .78rem;
}

.status, .hint { color: #aebbd2; }
.status { margin-bottom: 0; }
[data-kind="ok"] { color: #7ee2a8; }
[data-kind="error"], .error { color: #ff9da7; }

.login-page { display: grid; place-items: center; padding: 1rem; }
.login-card { width: min(100%, 430px); padding: clamp(1.25rem, 5vw, 2.25rem); }
.login-card form { display: grid; gap: 1rem; }
.login-card label { font-weight: 700; }
.login-card input {
  width: 100%;
  padding: .85rem 1rem;
  border: 1px solid #465878;
  border-radius: 10px;
  background: #0d1424;
  color: #fff;
}
.login-card input:focus { outline: 3px solid rgba(83, 145, 255, .3); border-color: #72a4ff; }
.turnstile-wrap { min-height: 65px; }

@media (max-width: 850px) {
  .layout { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; }
}