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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #7688da 0%, #a676d6 100%);
    min-height: 100vh;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    max-width: 800px;
    width: 100%;
}

h1 {
    text-align: center;
    color: #000000;
    margin-bottom: 10px;
    font-size: 28px;
}

.character-section {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    border: 2px solid #e9ecef;
}

.character-section h2 {
    color: #495057;
    margin-bottom: 20px;
    font-size: 20px;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #495057;
    font-weight: 600;
    font-size: 14px;
}

input[type="number"] {
    width: 100%;
    padding: 12px;
    border: 2px solid #dee2e6;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input[type="number"]:focus {
    outline: none;
    border-color: #667eea;
}

.buffer-section {
    background: #f7f7f7;
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 20px;
    border: 2px solid #acacac;
}

.buffer-section h2 {
    color: #424141;
    margin-bottom: 20px;
    font-size: 20px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.checkbox-group input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    cursor: pointer;
}

.checkbox-group label {
    margin: 0;
    cursor: pointer;
    font-size: 16px;
}

.crown-input {
    margin-left: 30px;
    margin-top: 10px;
    display: none;
}

.crown-input.active {
    display: block;
}

.calculate-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    margin-top: 20px;
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.calculate-btn:active {
    transform: translateY(0);
}

.result {
    margin-top: 30px;
    padding: 25px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-radius: 15px;
    color: white;
    display: none;
}

.result.show {
    display: block;
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result h3 {
    font-size: 22px;
    margin-bottom: 20px;
    text-align: center;
}

.result-detail {
    background: rgba(255, 255, 255, 0.2);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.result-detail strong {
    font-size: 18px;
}

.winner {
    background: rgba(255, 255, 255, 0.3);
    padding: 20px;
    border-radius: 10px;
    margin-top: 15px;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }

    h1 {
        font-size: 24px;
    }
}