:root {
  --bg-dark: #050816;
  --bg-mid: #0a1631;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.18);
  --text: #f4f7ff;
  --muted: #a9b6d3;
  --primary: #4f7bff;
  --primary-hover: #3d68ec;
  --success: #27d17f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 10% -10%, #2846a8 0%, transparent 55%),
    radial-gradient(900px 500px at 110% 0%, #16346d 0%, transparent 48%),
    linear-gradient(180deg, var(--bg-mid) 0%, var(--bg-dark) 100%);
  color: var(--text);
  font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
}

.container { width: min(1240px, 94%); margin: 32px auto 42px; }

.hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  background: linear-gradient(140deg, rgba(104, 141, 255, 0.3), rgba(85, 235, 201, 0.18));
  border: 1px solid rgba(196, 216, 255, 0.3);
  backdrop-filter: blur(8px);
  border-radius: 20px;
  padding: 24px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  color: #d3deff;
}

h1 { margin: 0; font-size: 2.1rem; letter-spacing: -0.025em; }
.subtitle { color: var(--muted); margin: 8px 0 0; max-width: 700px; }

.hero-chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  color: #eef3ff;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(340px, 1fr);
  gap: 16px;
  margin-top: 16px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
}

h2 { margin: 0; font-size: 1.2rem; }
h3 { margin: 0 0 8px; font-size: 0.95rem; color: #d5def7; }

.muted { color: var(--muted); margin: 8px 0 14px; }
.field { margin-top: 12px; }
label { display: block; margin: 0 0 6px; color: #e8eeff; font-weight: 600; font-size: 0.92rem; }

input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid rgba(201, 216, 255, 0.33);
  background: rgba(8, 16, 36, 0.64);
  color: var(--text);
  font-size: 0.95rem;
}

input:focus {
  outline: none;
  border-color: #87a8ff;
  box-shadow: 0 0 0 3px rgba(111, 153, 255, 0.28);
}

.option-group {
  margin-top: 14px;
  border: 1px solid rgba(197, 212, 255, 0.2);
  border-radius: 12px;
  padding: 12px;
  background: rgba(10, 22, 48, 0.45);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.grid label {
  margin: 0;
  padding: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(195, 210, 255, 0.24);
  border-radius: 10px;
  font-weight: 500;
  font-size: 0.9rem;
}

.grid input[type="checkbox"] { width: auto; margin-right: 8px; transform: translateY(1px); }

button {
  margin-top: 14px;
  width: 100%;
  background: linear-gradient(180deg, #5c86ff 0%, var(--primary) 100%);
  color: #fff;
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(55, 99, 243, 0.45);
}

button:hover { background: linear-gradient(180deg, #7095ff 0%, var(--primary-hover) 100%); }

.side-panel { display: flex; flex-direction: column; }

.bar {
  margin-top: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  overflow: hidden;
}

#barFill { width: 0%; height: 100%; background: var(--success); transition: width .2s ease; }
#status { margin: 10px 0 0; color: #d8e6ff; font-weight: 600; }

.quick-links { min-height: 70px; margin-top: 8px; }

pre {
  margin: 4px 0 0;
  height: 420px;
  overflow: auto;
  background: #070d1e;
  border: 1px solid rgba(187, 205, 255, 0.18);
  border-radius: 10px;
  padding: 12px;
  font-size: 12px;
  color: #c6d4f7;
}

a { color: #8db1ff; display: inline-block; margin-top: 8px; text-decoration: none; }
a:hover { text-decoration: underline; }
small { display: block; margin-top: 6px; color: #ff8f9a; }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .hero { flex-direction: column; }
}