* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
}

h1 {
    text-align: center;
    color: white;
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.5px;
}

.card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    margin-bottom: 6px;
}

label {
    display: block;
    margin-top: 20px;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group:first-child label {
    margin-top: 0;
}

.required {
    color: #e74c3c;
    margin-left: 2px;
}

.hint {
    display: block;
    font-size: 12px;
    color: #999;
    margin-top: 4px;
    font-style: italic;
    text-transform: none;
    letter-spacing: 0;
}

input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 8px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

input::placeholder {
    color: #999;
}

button {
    width: 100%;
    padding: 14px 24px;
    margin-top: 28px;
    margin-bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.4);
}

.result {
    margin-top: 28px;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 12px;
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.result.show {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.result-item {
    margin-bottom: 16px;
    padding: 12px;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.result-item:last-child {
    margin-bottom: 0;
}

.result-label {
    display: block;
    font-size: 13px;
    color: #666;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: #333;
}

.result-value.positive {
    color: #27ae60;
}

.result-value.negative {
    color: #e74c3c;
}

.verdict {
    margin-top: 16px;
    padding: 16px;
    border-radius: 8px;
    text-align: center;
    font-weight: 600;
    font-size: 18px;
}

.verdict.worthy {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.1) 0%, rgba(46, 204, 113, 0.1) 100%);
    color: #27ae60;
    border: 2px solid #27ae60;
}

.verdict.not-worthy {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1) 0%, rgba(192, 57, 43, 0.1) 100%);
    color: #e74c3c;
    border: 2px solid #e74c3c;
}

.verdict::before {
    display: inline-block;
    margin-right: 8px;
    font-size: 24px;
}

.verdict.worthy::before {
    content: "✓";
}

.verdict.not-worthy::before {
    content: "✕";
}

/* Responsive design */
@media (max-width: 600px) {
    h1 {
        font-size: 24px;
        margin-bottom: 25px;
    }

    .card {
        padding: 24px;
        border-radius: 12px;
    }

    button {
        padding: 12px 20px;
        font-size: 15px;
    }

    .result {
        padding: 16px;
        margin-top: 24px;
    }
}