body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: linear-gradient(135deg, #e0e7ff 0%, #f4f6fb 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.header {
    background: #2d3e50;
    color: #fff;
    padding: 24px 0;
    text-align: center;
    font-size: 2.2rem;
    letter-spacing: 2px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
    font-weight: 700;
}

.container {
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 6px 32px rgba(44,62,80,0.10);
    padding: 40px 32px;
    transition: box-shadow 0.2s;
}

@media (max-width: 600px) {
    .container {
        padding: 18px 6px;
        margin: 16px 4px;
        border-radius: 8px;
    }
    .header {
        font-size: 1.3rem;
        padding: 14px 0;
    }
}

.button {
    background: linear-gradient(90deg, #3498db 0%, #6c63ff 100%);
    color: #fff;
    border: none;
    padding: 12px 32px;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(52,152,219,0.08);
    font-weight: 600;
    margin-bottom: 12px;
    display: inline-block;
    text-decoration: none;
}

.button:hover {
    background: linear-gradient(90deg, #217dbb 0%, #4e54c8 100%);
    box-shadow: 0 4px 16px rgba(52,152,219,0.15);
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    margin: 14px 0 26px 0;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
    background: #f9fafb;
    transition: border 0.2s;
}

input:focus, select:focus, textarea:focus {
    border: 1.5px solid #6c63ff;
    outline: none;
    background: #eef2ff;
}

label {
    font-weight: 600;
    color: #2d3e50;
    margin-bottom: 6px;
    display: block;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 24px;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(44,62,80,0.04);
}

.table th, .table td {
    padding: 16px 12px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
    font-size: 1rem;
}

.table th {
    background: #f1f5f9;
    color: #2d3e50;
    font-weight: 700;
    letter-spacing: 1px;
}

.table tr:hover {
    background: #e0e7ff;
    transition: background 0.2s;
}

@media (max-width: 600px) {
    .table, .table thead, .table tbody, .table th, .table td, .table tr {
        display: block;
        width: 100%;
    }
    .table thead {
        display: none;
    }
    .table tr {
        margin-bottom: 18px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(44,62,80,0.06);
        background: #fff;
        padding: 8px 0;
    }
    .table td {
        border: none;
        position: relative;
        padding-left: 50%;
        min-height: 40px;
        font-size: 0.98rem;
    }
    .table td:before {
        position: absolute;
        top: 12px;
        left: 16px;
        width: 45%;
        white-space: nowrap;
        font-weight: 700;
        color: #6c63ff;
        content: attr(data-label);
    }
}