* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #000000;
    color: #ffffff;
}

.container {
    width: 100%;
    max-width: 680px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.header h1 {
    margin: 0;
    font-size: 42px;
    font-weight: 800;
    letter-spacing: -1px;
}

.header p {
    margin: 8px 0 0;
    color: #b3b3b3;
    font-size: 17px;
}

.card,
.result-card {
    background: #111111;
    border: 1px solid #2a2a2a;
    border-radius: 18px;
    padding: 24px;
}

.card h2 {
    margin-top: 0;
    margin-bottom: 24px;
    font-size: 24px;
}

.input-group {
    margin-bottom: 18px;
}

.input-group label {
    display: block;
    margin-bottom: 7px;
    font-size: 14px;
    font-weight: 600;
}

.input-group label span {
    font-weight: 400;
    color: #888888;
}

.input-group input,
.input-group select {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid #333333;
    border-radius: 10px;
    background: #000000;
    color: #ffffff;
    font-size: 16px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input::placeholder {
    color: #777777;
}

.input-group input:focus,
.input-group select:focus {
    border-color: #ffffff;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.12);
}

.input-group select option {
    background: #111111;
    color: #ffffff;
}

#generateBtn {
    width: 100%;
    margin-top: 8px;
    padding: 15px;
    border: none;
    border-radius: 11px;
    background: #ffffff;
    color: #000000;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
}

#generateBtn:hover {
    opacity: 0.9;
}

#generateBtn:active {
    transform: scale(0.99);
}

.results {
    margin-top: 30px;
}

.hidden {
    display: none;
}

.result-header {
    text-align: center;
    margin-bottom: 20px;
}

.result-header h2 {
    margin: 0 0 12px;
    font-size: 28px;
}

.health-status {
    display: inline-block;
    padding: 7px 14px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
}

.result-card {
    margin-bottom: 16px;
}

.result-card h3 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 19px;
}

.result-card p {
    margin: 8px 0;
    line-height: 1.55;
    color: #eeeeee;
}

.worth-looking {
    border: 1px solid #333333;
}

.feedback-button {
    display: block;
    width: 100%;
    margin-top: 24px;
    padding: 13px;
    border: 1px solid #444444;
    border-radius: 10px;
    background: #111111;
    color: #ffffff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.feedback-button:hover {
    background: #1b1b1b;
}

footer {
    text-align: center;
    margin-top: 35px;
    color: #777777;
    font-size: 13px;
}

@media (max-width: 600px) {
    .container {
        padding: 25px 15px 45px;
    }

    .header h1 {
        font-size: 36px;
    }

    .card,
    .result-card {
        padding: 20px;
        border-radius: 15px;
    }
}