:root {
    --bg-color: #f4f7f6;
    --text-color: #333;
    --container-bg: #fff;
    --primary-color: #0056b3;
    --border-color: #ddd;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1a1a1a;
        --text-color: #f4f7f6;
        --container-bg: #2d2d2d;
        --primary-color: #4da3ff;
        --border-color: #444;
    }
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    transition: all 0.3s ease;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--container-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.logos {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.logos img {
    height: 60px;
}

h1, h2 { text-align: center; }

input[type="text"], input[type="password"], select {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
    background-color: var(--bg-color);
    color: var(--text-color);
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 16px;
}

button:hover { opacity: 0.9; }

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

th, td {
    padding: 12px;
    border: 1px solid var(--border-color);
    text-align: left;
}

th { background-color: var(--primary-color); color: white; }

.form-group { margin-bottom: 15px; }

@media (max-width: 768px) {
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

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