:root {
  --bg-color: #1f1f1f;
  --card-bg: #2b2b2b;
  --accent-color: #4f9aff;
  --text-color: #e0e0e0;
  --button-bg-gradient: linear-gradient(145deg, #3a3a3a, #232323);
  --button-hover-color: #4f9aff;
  --border-color: #3a3a3a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

header img {
width: 50%;
height: auto;
display: block;
margin: auto;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
}

.container {
  max-width: 800px;
  margin: 40px auto;
  background-color: var(--card-bg);
  padding: 20px 30px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

h1, h2, h3 {
  margin-bottom: 20px;
  color: var(--accent-color);
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

input[type="text"],
input[type="email"],
input[type="password"],
textarea {
  width: 100%;
  padding: 12px 15px;
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  background-color: #242424;
  color: var(--text-color);
}

button {
  padding: 12px 25px;
  background: var(--button-bg-gradient);
  border: 1px solid var(--accent-color);
  border-radius: 30px;
  color: var(--text-color);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

button:hover {
  background-color: var(--button-hover-color);
  transform: translateY(-2px);
}

nav a { color: #ddd; margin-right: 12px; text-decoration: none; }


    .welcome-message {
      font-size: 1.5rem;
      color: #2c3e50;
      font-weight: bold;
      margin: 1em 0;
      padding: 0.5em;
      background: #ecf0f1;
      border-radius: 4px;
    }

.error {
  margin-bottom: 20px;
  color: #ff6b6b;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 20px;
}

th, td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: #2e2e2e;
  color: var(--accent-color);
  text-align: left;
}


button a{ cursor:pointer; box-shadow:2px 2px 6px rgba(0,0,0,0.6); transition:.2s; }
button a:hover { background:#333; transform:translateY(-2px); }

/*FOOTER*/
footer {
position: fixed;
left: 0;
bottom: 0;
width: 100%;
background-color: var(--bg-color);
text-align: center;
color: rgb(250,250,250);
font-weight: 300;
padding: .5rem;}