* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    font-family: 'Segoe UI', 'Noto Sans', sans-serif;
    min-height: 100vh;
    padding: 40px 20px;
}
.container {
    max-width: 900px;
    margin: 0 auto;
    background: rgba(255,255,255,0.9);
    border-radius: 32px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    padding: 30px 40px 50px;
}
h1 {
    font-size: 2.8rem;
    color: #2c3e66;
    text-align: center;
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}
.sub {
    text-align: center;
    color: #5a6e8a;
    margin-bottom: 40px;
    border-bottom: 2px dashed #ccc;
    padding-bottom: 10px;
}
.input-area {
    background: #fff;
    border-radius: 28px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    margin-bottom: 30px;
}
.input-area input {
    width: 100%;
    padding: 14px 18px;
    font-size: 1.2rem;
    border: 2px solid #ddd;
    border-radius: 60px;
    transition: 0.2s;
    margin-bottom: 20px;
}
.input-area input:focus {
    border-color: #6c5ce7;
    outline: none;
}
.style-select {
    margin-bottom: 25px;
}
.style-select label {
    font-weight: bold;
    margin-right: 15px;
}
.style-select select {
    padding: 10px 18px;
    font-size: 1rem;
    border-radius: 40px;
    background: #f0f0f0;
    border: none;
    cursor: pointer;
}
#generateBtn {
    background: #6c5ce7;
    color: white;
    border: none;
    padding: 14px 28px;
    font-size: 1.1rem;
    border-radius: 40px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.2s;
    width: 100%;
}
#generateBtn:hover {
    background: #5a4bcf;
    transform: scale(0.98);
}
.result-area {
    text-align: center;
    background: #faf9ff;
    border-radius: 28px;
    padding: 25px;
}
.result-area h3 {
    margin-bottom: 20px;
    color: #2d3436;
}
#imageContainer {
    background: repeating-conic-gradient(#e0e0e0 0% 25%, #fff 0% 50%) 50% / 20px 20px;
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 20px;
    min-height: 220px;
    display: flex;
    justify-content: center;
    align-items: center;
}
#resultImage {
    max-width: 100%;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}
.download-area a {
    background: #27ae60;
    color: white;
    text-decoration: none;
    padding: 12px 24px;
    border-radius: 40px;
    display: inline-block;
    font-weight: bold;
    transition: 0.2s;
}
.download-area a:hover {
    background: #2ecc71;
}
.note {
    margin-top: 40px;
    background: #fef9e6;
    padding: 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #7f8c8d;
}
.note h4 {
    color: #e67e22;
    margin-bottom: 10px;
}
.note ul {
    margin-left: 20px;
}
#loading {
    font-size: 1.2rem;
    color: #6c5ce7;
    font-weight: bold;
    margin: 20px 0;
}