.hel-se-card {
    max-width: 460px;
    margin: 0 auto;
    background: #fff;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 4px 24px rgba(0,0,0,.06);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
}

.hel-se-title {
    margin: 0 0 20px;
    font-size: 22px;
    font-weight: 800;
    color: #1a2233;
}

.hel-se-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.hel-se-row-4 {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
}

.hel-se-card input.hel-se-input,
.hel-se-card select.hel-se-input {
    width: 100% !important;
    box-sizing: border-box !important;
    height: auto !important;
    min-height: 46px !important;
    padding: 12px 14px !important;
    line-height: 1.4 !important;
    border: 1.5px solid #e2e5ea !important;
    border-radius: 10px !important;
    font-size: 14px !important;
    font-family: inherit !important;
    color: #333 !important;
    background-color: #fff !important;
    vertical-align: middle !important;
    margin: 0 !important;
}

.hel-se-card select.hel-se-input {
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23555' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 12px center !important;
    background-size: 16px !important;
    padding-right: 34px !important;
}

.hel-se-card input.hel-se-input::placeholder {
    color: #8a94a3;
    opacity: 1;
    line-height: normal;
}

.hel-se-input:focus {
    outline: none;
    border-color: #6a8f6b;
}

.hel-se-btn {
    width: 100%;
    padding: 14px;
    margin-top: 4px;
    border: none;
    border-radius: 12px;
    background: #5f8161;
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: background .15s ease;
}

.hel-se-btn:hover { background: #506e52; }
.hel-se-btn:disabled { opacity: .6; cursor: not-allowed; }

#hel_se_result:empty { margin: 0; }

.hel-se-result-box {
    margin-top: 18px;
    padding: 20px;
    border-radius: 14px;
    background: #eef3ee;
    border: 1px solid #dbe6dc;
}

.hel-se-amount {
    font-size: 30px;
    font-weight: 800;
    color: #1a2233;
    margin: 0 0 12px;
}

.hel-se-meta-row {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: #4a5568;
    padding: 4px 0;
}

.hel-se-meta-row strong { color: #1a2233; font-weight: 600; }

.hel-se-divider {
    height: 1px;
    background: #dbe6dc;
    margin: 12px 0;
}

.hel-se-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.hel-se-badge-yes { background: #dcf3dd; color: #2f6b31; }
.hel-se-badge-no  { background: #fbe0e0; color: #a13a3a; }

.hel-se-error-box {
    margin-top: 18px;
    padding: 16px 20px;
    border-radius: 14px;
    background: #fbe0e0;
    color: #a13a3a;
    font-size: 14px;
    font-weight: 600;
}

.hel-se-footnote {
    margin: 16px 0 0;
    font-size: 12px;
    color: #8a94a3;
    text-align: center;
}

.hel-se-error { color: #a13a3a; font-weight: 600; }