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

body {
    font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
    line-height: 1.6;
    min-height: 100vh;
    background: linear-gradient(135deg, #0a192f 0%, #112240 100%);
    padding: 40px 20px;
    color: #e4e4e4;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(17, 34, 64, 0.4);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(10, 25, 47, 0.3);
    border: 1px solid rgba(100, 255, 218, 0.1);
}

h1 {
    text-align: center;
    color: #64ffda;
    margin-bottom: 40px;
    font-size: 2.5em;
    font-weight: 300;
    letter-spacing: 2px;
    text-shadow: 0 0 20px rgba(100, 255, 218, 0.2);
}

.upload-area {
    border: 2px dashed rgba(100, 255, 218, 0.2);
    padding: 50px;
    text-align: center;
    border-radius: 16px;
    background: rgba(17, 34, 64, 0.2);
    cursor: pointer;
    transition: all 0.4s ease;
    margin: 20px 0;
}

.upload-area:hover {
    border-color: rgba(100, 255, 218, 0.4);
    background: rgba(17, 34, 64, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(100, 255, 218, 0.1);
}

.upload-area.dragover {
    border-color: #64ffda;
    background: rgba(100, 255, 218, 0.05);
    box-shadow: 0 0 20px rgba(100, 255, 218, 0.2);
}

.upload-text {
    color: rgba(100, 255, 218, 0.8);
    margin-bottom: 12px;
    font-size: 1.1em;
}

#fileInput {
    display: none;
}

.preview-area {
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 25px;
    padding: 20px 0;
}

.preview-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(17, 34, 64, 0.4);
    transition: transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(10, 25, 47, 0.3);
}

.preview-item:hover {
    transform: translateY(-5px);
}

.preview-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px;
}

.preview-item .remove-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(255, 59, 48, 0.8);
    color: white;
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.preview-item .remove-btn:hover {
    background: rgba(255, 59, 48, 1);
    transform: scale(1.1);
}

.button-group {
    text-align: center;
    margin-top: 40px;
}

.generate-btn {
    background: linear-gradient(135deg, #64ffda 0%, #00b4d8 100%);
    color: #0a192f;
    padding: 15px 40px;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(100, 255, 218, 0.3);
}

.generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(100, 255, 218, 0.4);
}

.generate-btn:disabled {
    background: linear-gradient(135deg, #112240 0%, #233554 100%);
    color: rgba(100, 255, 218, 0.3);
    cursor: not-allowed;
    box-shadow: none;
}