:root {
  --bg: #121212;
  --bg-alt: #1e1e1e;
  --border: #2c2c2c;
  --text: #e0e0e0;
  --text-muted: #a0a0a0;
  --primary: #bb86fc;
  --primary-hover: #a475f9;
  --success: #19cf31;
  --error: #a71732;
  --accent: #03dac6;
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  margin: 0;
  font-family: 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 640px;
  width: 100%; /* ← Přidej tohle */
  margin: 2rem auto;
  padding: 1rem;
  background-color: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
}

h1, h2 {
  color: var(--accent);
  margin-top: 0;
}

form {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
}

textarea {
  width: 100%;
  padding: 0.5rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  resize: vertical;
}

button {
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--primary);
  color: var(--bg);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover,
button:focus {
  background: var(--primary-hover);
}

ul {
  list-style: none;
  padding: 0;
}

li {
  margin-bottom: 0.5rem;
}

.status.free {
  color: var(--success);
  font-weight: bold;
}

.status.taken {
  color: var(--error);
  font-weight: bold;
}

em {
  color: var(--text-muted);
}

.version-badge {
  pointer-events: none;
  opacity: 0.6;
  font-size: 0.8rem;
}

.key-label {
  color: var(--accent);
  font-weight: 600;
}

.collapsible {
  cursor: pointer;
  user-select: none;
}

.nested-content {
  display: none;
  margin-left: 1rem;
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
}

.collapsible::before {
  content: "\25B6";
  display: inline-block;
  margin-right: 0.5rem;
  transition: transform 0.2s;
}

.collapsible.expanded::before {
  transform: rotate(90deg);
}

.pagination {
  margin-top: 1rem;
}

.pagination .page-link {
  background-color: var(--bg-alt);
  color: var(--text);
  border: 1px solid var(--border);
  min-width: 2.5rem;
  text-align: center;
}

.pagination .page-link:hover {
  background-color: var(--bg);
  color: var(--accent);
}

.pagination .page-item.disabled .page-link {
  color: var(--text-muted);
  cursor: not-allowed;
  background-color: var(--bg-alt);
  border-color: var(--border);
}

.pagination .page-item.active .page-link {
  background-color: var(--primary);
  color: var(--bg);
  border-color: var(--primary);
}

.nested-content {
  display: none;
}

strong.text-light {
  word-break: break-word;
}

/* Přizpůsobení layoutu pro mobilní zařízení */
@media (max-width: 768px) {
  .container {
    max-width: 100%;
    margin: 0 auto;
    padding: 20px;
  }
  .card {
    margin-bottom: 20px;
  }
  .card-header {
    padding: 10px;
  }
  .card-body {
    padding: 20px;
  }
  h1 {
    font-size: 24px;
  }
  h2 {
    font-size: 18px;
  }
  p {
    font-size: 16px;
  }
  .btn {
    padding: 10px 20px;
    font-size: 16px;
  }
  .form-control {
    padding: 10px;
  font-size: 16px;
  width: 100%;
  max-width: 100%;
  }
}