* {
    box-sizing: border-box;
}


body {

    margin: 0;

    padding: 40px 20px;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    background: #f5f7fa;

    color: #202124;

}


.container {

    max-width: 900px;

    margin: auto;

}



/* HEADER */

.header {

    text-align: center;

    margin-bottom: 30px;

}


.ai-badge {

    display: inline-block;

    padding: 7px 13px;

    margin-bottom: 12px;

    background: #eceff3;

    border-radius: 20px;

    font-size: 11px;

    font-weight: bold;

    letter-spacing: 1.5px;

    color: #555;

}


h1 {

    margin: 0;

    font-size: 34px;

}


.subtitle {

    color: #667085;

    line-height: 1.5;

}



/* MAIN CARD */

.card {

    padding: 30px;

    background: white;

    border-radius: 14px;

    box-shadow:
        0 4px 20px
        rgba(0, 0, 0, 0.08);

}


label {

    display: block;

    margin-top: 20px;

    margin-bottom: 9px;

    font-weight: bold;

}


label:first-child {

    margin-top: 0;

}



/* CONTEXT */

textarea {

    width: 100%;

    min-height: 180px;

    padding: 16px;

    resize: vertical;

    border:
        1px solid #ccd2da;

    border-radius: 8px;

    font-family:
        Arial,
        Helvetica,
        sans-serif;

    font-size: 15px;

    line-height: 1.6;

}


textarea:focus {

    outline: none;

    border-color: #555;

    box-shadow:
        0 0 0 3px
        rgba(0, 0, 0, 0.05);

}



/* QUESTION */

input {

    width: 100%;

    padding: 15px;

    border:
        1px solid #ccd2da;

    border-radius: 8px;

    font-size: 16px;

}


input:focus {

    outline: none;

    border-color: #555;

    box-shadow:
        0 0 0 3px
        rgba(0, 0, 0, 0.05);

}



/* BUTTON */

#answerButton {

    width: 100%;

    margin-top: 24px;

    padding: 15px;

    border: none;

    border-radius: 8px;

    background: #202124;

    color: white;

    font-size: 17px;

    font-weight: bold;

    cursor: pointer;

}


#answerButton:hover {

    background: #383a3d;

}


#answerButton:disabled {

    opacity: 0.55;

    cursor: wait;

}



/* STATUS */

#status {

    margin-top: 18px;

    text-align: center;

    color: #667085;

    font-size: 14px;

}



/* RESULT */

.result {

    margin-top: 28px;

    padding: 25px;

    background: #f6f7f9;

    border-radius: 12px;

    text-align: center;

}


.result-label {

    font-size: 11px;

    font-weight: bold;

    letter-spacing: 2px;

    color: #667085;

}


.answer {

    margin:
        12px 0 25px;

    font-size: 32px;

    font-weight: bold;

    color: #202124;

}


.confidence-title {

    margin-bottom: 8px;

    font-size: 13px;

    font-weight: bold;

}


.score-background {

    width: 100%;

    height: 12px;

    background: #dddfe3;

    border-radius: 10px;

    overflow: hidden;

}


.score-bar {

    width: 0;

    height: 100%;

    background: #333;

    border-radius: 10px;

    transition:
        width 0.5s ease;

}


.score-text {

    margin-top: 8px;

    font-weight: bold;

}


.score-note {

    margin-top: 18px;

    font-size: 12px;

    line-height: 1.5;

    color: #667085;

}



/* INFORMATION CARDS */

.info {

    margin-top: 25px;

    padding: 25px;

    background: white;

    border-radius: 12px;

    box-shadow:
        0 2px 10px
        rgba(0, 0, 0, 0.04);

    line-height: 1.6;

    color: #555;

}


.info-title {

    margin-bottom: 12px;

    font-size: 19px;

    font-weight: bold;

    color: #202124;

}



/* EXAMPLES */

.example {

    margin-top: 20px;

    padding: 18px;

    background: #f7f8fa;

    border:
        1px solid #e6e8eb;

    border-radius: 8px;

}


.example p {

    margin-bottom: 8px;

}



/* FLOW */

.flow {

    display: flex;

    align-items: center;

    justify-content: center;

    flex-wrap: wrap;

    gap: 9px;

    margin: 25px 0;

}


.flow-box {

    padding: 11px 15px;

    background: #f3f4f6;

    border:
        1px solid #e1e4e8;

    border-radius: 7px;

    font-size: 13px;

    font-weight: bold;

    color: #333;

}


.final-box {

    background: #202124;

    color: white;

    border-color: #202124;

}


.arrow {

    font-weight: bold;

    color: #777;

}



/* MODEL INFO */

.model-grid {

    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    gap: 15px;

    margin-top: 18px;

}


.model-grid > div {

    padding: 15px;

    background: #f7f8fa;

    border-radius: 8px;

}


.model-label {

    display: block;

    margin-bottom: 5px;

    font-size: 11px;

    text-transform: uppercase;

    letter-spacing: 1px;

    color: #777;

}



/* WARNING */

.warning {

    border-left:
        4px solid #777;

}



/* FOOTER */

.footer {

    padding: 30px 10px;

    text-align: center;

    color: #999;

    font-size: 12px;

}



/* UTILITY */

.hidden {

    display: none;

}



/* MOBILE */

@media (max-width: 700px) {

    body {

        padding:
            20px 12px;

    }


    .card {

        padding: 20px;

    }


    h1 {

        font-size: 27px;

    }


    .model-grid {

        grid-template-columns:
            repeat(2, 1fr);

    }


    .flow {

        flex-direction: column;

    }

}