:root {
  --bg-top: #0a1323;
  --bg-bottom: #04070f;
  --panel: rgba(10, 18, 35, 0.8);
  --border: rgba(148, 163, 184, 0.25);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #22d3ee;
  --good: #4ade80;
  --bad: #f87171;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(
    circle at top,
    var(--bg-top),
    var(--bg-bottom) 58%
  );
  color: var(--text);
  min-height: 100vh;
  padding: 20px;
}

.top-shell {
  max-width: 1200px;
  margin: 0 auto 16px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  margin: 6px 0 8px;
  font-size: 30px;
}

.sub-copy {
  margin: 0;
  color: var(--muted);
}

.top-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ghost,
button {
  padding: 9px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 42, 0.85);
  color: var(--text);
  cursor: pointer;
  text-decoration: none;
  font-size: 13px;
}

.ghost:hover,
button:hover {
  border-color: var(--accent);
}

.nav-links {
  max-width: 1200px;
  margin: 0 auto 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 12px;
}

.main-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 16px;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  padding: 16px;
}

.panel h2,
.panel h3 {
  margin-top: 0;
}

.form-row {
  margin-bottom: 10px;
}

label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
}

select,
textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(2, 6, 23, 0.9);
  color: var(--text);
  padding: 10px;
}

.chat-box {
  height: 360px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(2, 6, 23, 0.85);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.message {
  max-width: 92%;
  padding: 8px 10px;
  line-height: 1.35;
  border-radius: 10px;
  word-break: break-word;
  font-size: 14px;
}

.message.user {
  margin-left: auto;
  background: rgba(34, 211, 238, 0.14);
  border: 1px solid rgba(34, 211, 238, 0.35);
}

.message.assistant {
  background: rgba(148, 163, 184, 0.14);
  border: 1px solid rgba(148, 163, 184, 0.35);
}

.composer {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.status-box {
  border: 1px solid var(--border);
  border-radius: 12px;

  .visual-standard-block {
    max-width: 1200px;
    margin: 16px auto 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--panel);
    padding: 16px;
  }

  .visual-standard-block h2 {
    margin-top: 0;
  }

  .visual-standard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
    margin-top: 12px;
  }

  .visual-standard-card {
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    background: rgba(2, 6, 23, 0.88);
  }

  .visual-standard-card img {
    width: 100%;
    height: 132px;
    object-fit: cover;
    display: block;
  }

  .visual-standard-card figcaption {
    padding: 10px 12px 12px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.45;
  }
  padding: 12px;
  background: rgba(2, 6, 23, 0.7);
  margin-bottom: 12px;
}

.status-box p {
  margin: 6px 0;
}

ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

@media (max-width: 900px) {
  .main-grid {
    grid-template-columns: 1fr;
  }

  .top-shell {
    flex-direction: column;
  }
}