:root {
  --bg: #101418;
  --panel: #1c2127;
  --accent: #3498db;
  --error: #e74c3c;
  --text: #e0e0e0;
  --font: 'Segoe UI', sans-serif;
}
* {
  box-sizing: border-box;
  font-family: var(--font);
}
body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text);
  padding-top: 60px;
}
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: #1a1f26;
  border-bottom: 1px solid #2c2f35;
  padding: 0.75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
}
nav h1 {
  color: var(--accent);
  font-size: 1.3rem;
  margin: 0;
}
nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1rem;
}
nav a {
  text-decoration: none;
  color: var(--accent);
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--accent);
  border-radius: 5px;
  transition: 0.3s ease;
}
nav a:hover {
  background-color: var(--accent);
  color: #fff;
}
main.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
  background: var(--panel);
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
h2, h3 {
  text-align: center;
  margin-bottom: 1.5rem;
}
.form-section,
.table-section {
  margin-bottom: 3rem;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-grid textarea {
  grid-column: span 2;
}
input, textarea {
  padding: 0.7rem;
  border-radius: 6px;
  border: 1px solid #333;
  background: #2a2f36;
  color: var(--text);
  font-size: 0.95rem;
}
button.save,
button.delete {
  padding: 0.6rem;
  border: none;
  font-weight: bold;
  border-radius: 6px;
  cursor: pointer;
  width: 100%;
}
button.save {
  background: var(--accent);
  color: white;
}
button.save:hover {
  background: #2980b9;
}
button.delete {
  background: var(--error);
  color: white;
}
button.delete:hover {
  background: #c0392b;
}
.table-wrapper {
  overflow-x: auto;
  border-radius: 8px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  table-layout: fixed;
  word-wrap: break-word;
}
th, td {
  padding: 0.6rem;
  border: 1px solid #444;
  vertical-align: top;
}
th {
  background: #2c333b;
  color: white;
}
td input,
td textarea {
  width: 100%;
  box-sizing: border-box;
}
.action-buttons {
  display: flex;
  gap: 0.5rem;
  flex-direction: column;
}
footer {
  text-align: center;
  padding: 1rem;
  color: #aaa;
  font-size: 0.9rem;}
@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .action-buttons {
    flex-direction: row;
  }
  table {
    font-size: 0.85rem;
  }
}