:root {
  --bg: #3c3c3c;
  --text: #ffffff;
  --muted: rgba(255,255,255,0.82);
  --panel: rgba(0,0,0,0.18);
  --border: rgba(255,255,255,0.12);

  --orange: #ff6600;
  --orangeHover: #cc5500;

  --blue: #007bff;
  --blueHover: #0056b3;
}

* { box-sizing: border-box; }

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text);
}

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 14px 26px 14px;
}

.header {
  text-align: center;
  padding: 18px 10px;
}

h1 { margin: 0; }

a { color: #8bbcff; text-decoration: none; }
a:hover { text-decoration: underline; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 15px 30px;
  margin: 10px;
  background-color: var(--orange);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 18px;
  cursor: pointer;
  text-decoration: none;
  width: 220px;
  text-align: center;
}

.btn:hover { background-color: var(--orangeHover); text-decoration: none; }

.btn-secondary {
  background-color: var(--blue);
  font-size: 16px;
  padding: 12px 30px;
}

.btn-secondary:hover { background-color: var(--blueHover); }

/* Forms */
form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

label {
  width: 100%;
  max-width: 520px;
  text-align: left;
  color: var(--muted);
}

.form-control {
  width: 100%;
  max-width: 520px;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid #d0d0d0;
  background: #fff;
  color: #333;
}

.panel {
  width: 100%;
  max-width: 720px;
  margin: 16px auto;
  padding: 14px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--border);
}

.hint {
  width: 100%;
  max-width: 520px;
  font-size: 12px;
  opacity: 0.85;
  margin: 0;
}

ul.clean {
  list-style-type: none;
  padding: 0;
  margin: 0 auto;
}

li { margin: 10px 0; }

.small {
  font-size: 13px;
  opacity: 0.9;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}