/* Layout */
.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
}
.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 1.1em;
    color: #7289da;
    background: #181a1b;
    border-radius: 6px;
    padding: 4px 10px;
    box-shadow: 0 1px 4px #23272a44;
}
#langSelect {
    background: #23272a;
    color: #fff;
    border: 1.5px solid #7289da;
    border-radius: 4px;
    font-size: 1em;
    padding: 2px 8px;
    outline: none;
}
#langSelect:focus {
    border: 1.5px solid #43b581;
}
.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    gap: 10px;
}
.tab-btn {
    background: linear-gradient(90deg, #23272a 60%, #2c2f33 100%);
    color: #fff;
    border: none;
    padding: 12px 32px;
    border-radius: 10px 10px 0 0;
    font-size: 1.1em;
    cursor: pointer;
    outline: none;
    border-bottom: 3px solid transparent;
    transition: background 0.2s, border-bottom 0.2s, color 0.2s;
    letter-spacing: 1px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.tab-btn.active {
    background: linear-gradient(90deg, #181a1b 60%, #23272a 100%);
    border-bottom: 3px solid #43b581;
    color: #43b581;
}

.tab-content {
    display: block;
    background: #181a1b;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    padding: 32px 26px 18px 26px;
    margin-bottom: 20px;
    font-size: 1.18em;
}