.nav-btn-container {
  display: flex;
  justify-content: flex-end;
  margin: 20px 0 10px 0;
}

.nav-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: #2a3557;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s;
    z-index: 1000;
}

.nav-button:hover {
    background: #7ecbff;
    color: #223366;
}
body {
    background: #10182a;
    color: #e0e6f0;
    font-family: 'Proxima Nova', Arial, sans-serif;
    margin: 0;
    padding: 0 100px;
}
@media (max-width: 600px) {
    body {
        padding: 0;
    }
}
h2 {
    color: #fff;
    letter-spacing: 3px;
    margin: 40px 0 30px 0;
    text-align: center;
    font-family: 'Lovelo Line Bold', 'Lovelo', Arial, sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
}
.timetable-container {
    max-width: 1100px;
    margin: 40px auto;
    margin-left: 100px;
    margin-right: 100px;
    background: #182447;
    border-radius: 18px;
    box-shadow: 0 4px 32px #000a;
    padding: 40px 40px 50px 40px;
}
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #182447;
    table-layout: fixed;
}
th, td {
    border: 1.5px solid #2a3557;
    text-align: center;
    padding: 18px 0;
    font-size: 1.08rem;
    transition: box-shadow 0.2s, background 0.2s;
    min-width: 180px;
    max-width: 300px;
    height: 48px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
th {
    background: #223366;
    color: #fff;
    font-size: 1.15rem;
    letter-spacing: 1.5px;
    font-family: 'Lovelo Black', 'Lovelo', Arial, sans-serif;
    font-weight: 900;
}
th:first-child, td.day-header {
    min-width: 140px;
    max-width: 200px;
    white-space: normal;
    text-overflow: unset;
    overflow: visible;
}
.day-header {
    background: #1a2540;
    color: #7ecbff;
    font-family: 'Lovelo Black', 'Lovelo', Arial, sans-serif;
    font-size: 1.08rem;
    font-weight: 900;
    letter-spacing: 1.5px;
}
.current-class {
    background: #2e4a7d !important;
    color: #fff !important;
    box-shadow: 0 0 16px 2px #7ecbff99;
    z-index: 1;
    position: relative;
}
td {
    font-family: 'Proxima Nova', Arial, sans-serif;
    font-weight: 600;
    color: #e0e6f0;
}
td:hover {
    box-shadow: 0 0 10px 2px #7ecbff77;
    background: #223366;
    cursor: pointer;
}
.lunch {
    background: #1e2d4d;
    color: #ffb347;
    font-weight: bold;
    font-family: 'Proxima Nova', Arial, sans-serif;
}
.lab {
    background: #223366;
    color: #ffb347;
    font-family: 'Proxima Nova', Arial, sans-serif;
}
@media (max-width: 1500px) {
    .timetable-container { padding: 10px; }
    th, td { font-size: 0.95rem; padding: 10px 0; }
    h2 { font-size: 1.5rem; }
}