styles.css

html, body, [data-testid="stAppViewContainer"], [data-testid="stMain"] {
    background-color: #f2f2f2 !important;
    font-family: Arial, Helvetica, sans-serif !important;
    color: #222 !important;
    margin: 0 !important;
    padding: 0 !important;
}

header[data-testid="stHeader"],
div[data-testid="stToolbar"],
div[data-testid="stDecoration"] {
    display: none !important;
}

#MainMenu,
footer {
    visibility: hidden !important;
}

section[data-testid="stMain"],
div[data-testid="stMainBlockContainer"],
.block-container {
    padding-top: 0 !important;
    padding-right: 0 !important;
    padding-bottom: 0 !important;
    padding-left: 0 !important;
    margin-top: 0 !important;
    max-width: 100% !important;
}

* {
    color: inherit;
    box-sizing: border-box;
}

label, p, div, span, h1, h2, h3, h4, h5, h6 {
    color: #222 !important;
}

.topbar {
    background: #b31b1b;
    color: #fff !important;
    height: 68px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 28px;
    margin: 0 !important;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-img {
    height: 34px;
    width: auto;
    display: block;
    object-fit: contain;
}

.custom-title {
    color: #fff !important;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.2;
    white-space: nowrap;
}

.main-wrap {
    max-width: 1120px;
    margin: 64px auto 0 auto;
    padding: 0 24px 56px 24px;
}

.center-text {
    text-align: center;
}

.section-title {
    color: #222 !important;
    font-size: 32px;
    font-weight: 700;
    text-align: center;
    margin: 0 0 22px 0;
}

.info-text {
    color: #333 !important;
    font-size: 15px;
    line-height: 1.6;
    text-align: center;
    margin: 0 0 34px 0;
}

div[data-testid="stTextInput"],
div[data-testid="stTextArea"] {
    margin-bottom: 18px !important;
}

div[data-testid="stTextInput"] label,
div[data-testid="stTextArea"] label {
    color: #222 !important;
    font-size: 15px !important;
    font-weight: 400 !important;
    margin-bottom: 8px !important;
}

div[data-testid="stTextInput"] input {
    background-color: #fff !important;
    color: #222 !important;
    border: 1px solid #c9c9c9 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    min-height: 44px !important;
    padding: 10px 14px !important;
    font-size: 16px !important;
}

div[data-testid="stTextInput"] input::placeholder {
    color: #777 !important;
}

div[data-testid="stTextInput"] input:focus {
    border: 1px solid #999 !important;
    box-shadow: none !important;
    outline: none !important;
}

div[data-testid="stTextArea"] textarea {
    background-color: #fff !important;
    color: #222 !important;
    border: 1px solid #c9c9c9 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: 12px 14px !important;
    font-size: 16px !important;
    line-height: 1.5 !important;
}

div[data-testid="stTextArea"] textarea::placeholder {
    color: #777 !important;
}

div[data-testid="stTextArea"] textarea:focus {
    border: 1px solid #999 !important;
    box-shadow: none !important;
    outline: none !important;
}

div[data-baseweb="input"],
div[data-baseweb="textarea"] {
    background-color: #fff !important;
    border: none !important;
}

div.stButton {
    display: block !important;
    margin-top: 18px !important;
}

div.stButton > button {
    background-color: #b31b1b !important;
    color: #fff !important;
    border: 1px solid #8d1414 !important;
    border-radius: 0 !important;
    padding: 14px 34px !important;
    font-size: 17px !important;
    font-weight: 700 !important;
    line-height: 1.2 !important;
    box-shadow: none !important;
    outline: none !important;
    min-height: auto !important;
}

div.stButton > button:hover {
    background-color: #981717 !important;
    color: #fff !important;
    border: 1px solid #7d1111 !important;
    box-shadow: none !important;
}

div.stButton > button:focus,
div.stButton > button:active {
    background-color: #981717 !important;
    color: #fff !important;
    border: 1px solid #7d1111 !important;
    box-shadow: none !important;
    outline: none !important;
}

div.stButton > button p,
div.stButton > button span {
    color: #fff !important;
    background: transparent !important;
    border: none !important;
    margin: 0 !important;
    padding: 0 !important;
    -webkit-text-fill-color: #fff !important;
}

.result-box {
    background: #fff !important;
    border: 1px solid #d7d7d7 !important;
    padding: 18px !important;
    margin-top: 30px !important;
}


.result-title {
    text-align: center !important;
    font-size: 20px !important;
    font-weight: 700 !important;
    color: #b31b1b !important;
    margin-top: 20px !important;
    margin-bottom: 20px !important;
}

div[data-testid="stAlert"] {
    background-color: #fff !important;
    color: #222 !important;
    border-radius: 0 !important;
}

.category-line {
    text-align: center !important;
    font-size: 21px !important;
    line-height: 1.9 !important;
    margin-bottom: 4px !important;
}

.category-code {
    color: #222 !important;
    font-weight: 700 !important;
}

.category-desc {
    color: #b31b1b !important;
    font-weight: 600 !important;
}

@media (max-width: 768px) {
    .topbar {
        height: auto;
        min-height: 68px;
        padding: 10px 16px;
    }

    .topbar-left {
        gap: 12px;
        flex-wrap: wrap;
    }

    .logo-img {
        height: 28px;
    }

    .custom-title {
        font-size: 17px;
        white-space: normal;
    }

    .main-wrap {
        max-width: 100%;
        margin-top: 28px;
        padding: 0 14px 40px 14px;
    }

    .section-title {
        font-size: 26px;
    }

    div.stButton > button {
        width: auto !important;
        padding: 12px 26px !important;
        font-size: 16px !important;
    }
}