html, body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: #121212;
  color: #f0f0f0;
}

body {
  min-height: 100vh;
  background-color: #121212;
  background-image: none;
  padding-bottom: 40px; /* Mniejsze miejsce na stopkę */
}

nav {
  background: #000000;
  padding: 10px 20px;
}

nav a {
  color: #00bfff;
  margin-right: 15px;
  text-decoration: none;
  padding: 5px;
}

nav a:hover {
  text-decoration: underline;
  color: #ffffff;
}

/* Specjalny kolor dla linku admin - tylko kolor, bez innych efektów */
nav a[href="admin.php"] {
  color: #ff4c4c;
}

nav a[href="admin.php"]:hover {
  color: #ff6b6b;
  text-decoration: underline;
}

.container {
  max-width: 600px;
  margin: 40px auto;
  padding: 20px;
  background: #1e1e1e;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

h1 {
  margin-top: 0;
  color: #00bfff;
}

.container p {
  color: #dddddd;
}

input, button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  box-sizing: border-box;
  background: #333;
  color: #fff;
  border: 1px solid #555;
}

button {
  background: #007bff;
  color: #fff;
  border: none;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

p.error {
  color: #ff4c4c;
}

p.success {
  color: #51cf66;
}
/* Style dla przycisku rachunku */
.code-result {
  background: #2a4a2a;
  padding: 20px;
  border-radius: 8px;
  border: 1px solid #4a6a4a;
  margin: 20px 0;
  text-align: center;
}

.code-display {
  font-size: 1.5em;
  font-weight: bold;
  color: #51cf66;
  margin-bottom: 15px;
}

.invoice-btn {
  background: #ff9800;
  color: white;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  margin-left: 15px;
  transition: background 0.3s;
}

.invoice-btn:hover {
  background: #f57c00;
}
.generate-invoice-btn.full-width {
  grid-column: 1 / -1;
  margin: 20px 0;
/* NOWA STOPKA - NIŻSZA */
footer {
  background: #000000;
  color: #aaaaaa;
  text-align: center;
  padding: 8px 20px;
  font-size: 12px;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  border-top: 1px solid #333;
  box-sizing: border-box;
}

footer .copyright {
  margin: 0;
  font-weight: 400;
  line-height: 1.2;
}

footer .visit-counter {
  margin: 2px 0 0 0;
  font-size: 11px;
  color: #666;
  line-height: 1.2;
}

/* Responsywność stopki */
@media (max-width: 768px) {
  footer {
    padding: 6px 15px;
    font-size: 11px;
  }
  
  footer .visit-counter {
    font-size: 10px;
  }
}