.hydro-download-popup {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

    background: #fff;
    padding: 16px 18px;
    border-radius: 8px;

    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    z-index: 25000;

    width: min(460px, 90vw);
    font-size: 14px;
}

.hydro-download-popup input[type="date"],
.hydro-download-popup select {
    width: 100%;
    height: 34px;
    padding: 0 10px;
    box-sizing: border-box;

    border: 1px solid #b8b8b8;
    border-radius: 5px;

    background-color: #fff;
    color: #333;

    font-size: 14px;
    font-family: inherit;
}

.hydro-download-popup select {
    cursor: pointer;
}

.hydro-download-popup label {
    display: block;
}

.hydro-download-popup button {
    height: 36px;
    border-radius: 5px;
    border: 1px solid #aaa;
    background: #f5f5f5;
    cursor: pointer;
    font-size: 14px;
}

.hydro-download-popup button:hover {
    background: #e9e9e9;
}

.hydro-download-popup .download-button-row {
    margin-top: 14px;
    display: flex;
    gap: 8px;
}

.hydro-download-popup .download-button-row button {
    flex: 1;
}

.hydro-download-popup #agent-checks {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 8px;
}

.hydro-download-popup #agent-checks label {
    display: flex;
    align-items: center;
    gap: 5px;
}

.hydro-download-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 9998;
}

.hydro-download-popup .download-section-title {
    margin-bottom: 8px;
    color: #555;
}

.hydro-download-popup .download-field-title {
    margin: 8px 0 6px 0;
}

.hydro-download-popup .download-title {
    margin: 0 0 8px 0;
}

.hydro-download-popup .download-empty-message {
    color: #888;
}

.hydro-download-popup .download-column {
    flex: 1;
}

.hydro-download-popup .download-field-row {
    display: flex;
    gap: 8px;
}

.hydro-download-popup .download-field-row-main {
    margin-top: 14px;
}

.hydro-download-popup .download-field-row-sub {
    margin-top: 10px;
}

.hydro-download-popup button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.hydro-download-popup .swot-qf-panel {
    display: none;
    margin-top: 10px;
}