/* Global dark theme styles */
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    background: #121212;
    color: #fff;
}
.topbar {
    background: #1c1c1c;
    color: #fff;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.topbar a {
    color: #9b59b6;
    text-decoration: none;
    margin-left: 15px;
    font-weight: bold;
    transition: 0.3s;
}
.topbar a:hover {
    color: #8e44ad;
}
.btn {
    padding: 10px 20px;
    background: #9b59b6;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
    margin-top: 10px;
}
.btn:hover {
    background: #8e44ad;
}
input, button {
    font-family: 'Segoe UI', Arial, sans-serif;
}
input {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border-radius: 5px;
    border: none;
}
button {
    width: 100%;
    padding: 12px;
    background: #9b59b6;
    border: none;
    color: #fff;
    font-weight: bold;
    border-radius: 5px;
    cursor: pointer;
}
button:hover {
    background: #8e44ad;
}
.container {
    max-width: 1000px;
    margin: 50px auto;
    padding: 20px;
}
.card {
    background: #1c1c1c;
    padding: 20px;
    margin: 15px 0;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.5);
}
h2, h3 {
    color: #9b59b6;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}
table th, table td {
    border: 1px solid #333;
    padding: 10px;
    text-align: left;
}
p.message {
    color: #ff6f61;
}