/* Basic three-column layout */
* { box-sizing: border-box; }
body { font-family: Arial, Helvetica, sans-serif; margin: 0; color: #222; }
.container { display: grid; grid-template-columns: 200px 1fr 320px; grid-template-areas: "header header header" "left center right"; gap: 20px; padding: 24px; max-width: 1200px; margin: 0 auto; align-items: start; }
.col { background: #fff; }
.site-header { grid-area: header; background: #0b63c6; color: #fff; padding: 18px 24px; border-radius: 6px; }
.site-header .header-inner h1 { margin: 0; font-size: 20px; }
.left-col { grid-area: left; padding: 12px; }
.center-col { grid-area: center; padding: 12px; }
.right-col { grid-area: right; padding: 12px; }

.side-menu ul { list-style: none; padding: 0; margin: 0; }
.side-menu li { margin-bottom: 8px; }
.side-menu a { color: #0066cc; text-decoration: none; }

.panel { border: 1px solid #e0e0e0; padding: 12px; margin-bottom: 16px; border-radius: 6px; background: #fafafa; }
.account-header { display: flex; align-items: center; justify-content: space-between; }
.actions { display: flex; gap: 8px; }
.btn { display: inline-block; padding: 8px 12px; border-radius: 4px; border: 1px solid rgba(0,0,0,0.08); background: #007bff; color: #fff; cursor: pointer; transition: background-color .12s ease, border-color .12s ease, transform .06s ease; }
.btn.small { padding: 6px 8px; font-size: 14px; }
.btn.oauth { background:#007bff; color: #fff; }
.icon-btn { background: #007bff; color: #fff; border: none; cursor: pointer; font-size: 18px; padding: 6px; border-radius: 4px; transition: background-color .12s ease; }
.hidden { display: none; }

/* Hover / active states for all buttons */
.btn:hover, .btn:focus { background: #0056b3; border-color: #004a9f; }
.btn:active { transform: translateY(1px); }
.btn.oauth:hover { background:#0056b3; }
.icon-btn:hover { background: #0056b3; }
.actions .btn:hover { box-shadow: 0 2px 6px rgba(0,91,187,0.12); }

.pdf-section { margin-top: 12px; }

.tournaments h4 { margin: 8px 0 6px; }
.tournaments ul { padding-left: 18px; margin: 0 0 8px 0; }

.rating-table { width: 100%; border-collapse: collapse; }
.rating-table th, .rating-table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid #eee; }

/* Responsive */
@media (max-width: 900px) {
    .container { grid-template-columns: 1fr; padding: 12px; }
    .left-col { order: 1; }
    .center-col { order: 2; }
    .right-col { order: 3; }
}
body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #333;
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    font-size: 16px;
    color: white;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #0056b3;
}