/* ============================
   Base Styles
============================ */
html, body {
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background: #e8f5e9; /* light green golf theme */
    color: #2e3d2f;
    font-size: 30px; /* 20px x1.5 */
}

/* ============================
   Container & Card
============================ */
.container {
    min-height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.card {
    background: #ffffff;
    border-radius: 22px; /* 15px x1.5 */
    box-shadow: 0 9px 18px rgba(0,0,0,0.15); /* 6px,12px x1.5 */
    padding: 52px; /* 35px x1.5 */
    max-width: 1200px;
    width: 100%;
    min-height: calc(100vh - 20px); /* almost full height */
    margin: 15px auto; /* small gap around card */
    display: flex;
    flex-direction: column;
}

/* ============================
   Headings (keep original sizes)
============================ */
h1, h2, h3 {
    font-size: 2em; 
    margin-bottom: 20px;
    color: #1b5e20;
}

/* ============================
   Inputs, Selects & Buttons
============================ */
input[type=text], input[type=password], input[type=number], select {
    width: 100%;
    padding: 27px; /* 18px x1.5 */
    border-radius: 15px; /* 10px x1.5 */
    border: 1px solid #c8e6c9;
    margin: 18px 0; /* 12px x1.5 */
    font-size: 30px; /* 20px x1.5 */
    box-sizing: border-box;
}

.button {
    background-color: #4caf50;
    color: white;
    border: none;
    border-radius: 18px; /* 12px x1.5 */
    padding: 27px 45px; /* 18px 30px x1.5 */
    font-size: 33px; /* 22px x1.5 */
    cursor: pointer;
    margin-top: 22px; /* 15px x1.5 */
    transition: 0.3s;
}
.button:hover {
    background-color: #388e3c;
}

/* ============================
   Tables
============================ */
table {
    border-collapse: collapse;
    width: 100%;
    margin-bottom: 38px; /* 25px x1.5 */
}
th, td {
    border: 1px solid #c8e6c9;
    padding: 27px; /* 18px x1.5 */
    text-align: center;
    font-size: 30px; /* 20px x1.5 */
}
th {
    background-color: #a5d6a7;
}
tr:nth-child(even) {
    background-color: #e8f5e9;
}

/* ============================
   Form Labels
============================ */
label {
    font-weight: bold;
    font-size: 30px; /* 20px x1.5 */
}

/* ============================
   Links
============================ */
a {
    color: #4caf50;
    text-decoration: none;
    font-weight: bold;
    font-size: 30px; /* 20px x1.5 */
}
a:hover {
    color: #388e3c;
}

/* ============================
   Responsive Adjustments
============================ */
@media only screen and (max-width: 1024px) {
    .card { padding: 45px; }
    input[type=text], input[type=password], input[type=number], select { padding: 24px; font-size: 27px; }
    .button { padding: 24px 38px; font-size: 30px; }
    th, td { padding: 24px; font-size: 27px; }
}

@media only screen and (max-width: 768px) {
    .card { padding: 38px; }
    input[type=text], input[type=password], input[type=number], select { padding: 21px; font-size: 25px; }
    .button { padding: 21px 33px; font-size: 27px; }
    th, td { padding: 21px; font-size: 25px; }
}

@media only screen and (max-width: 480px) {
    .card { padding: 30px; }
    input[type=text], input[type=password], input[type=number], select { padding: 18px; font-size: 24px; }
    .button { padding: 18px 30px; font-size: 24px; }
    th, td { padding: 18px; font-size: 24px; }
}