:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --success-color: #10b981;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 800px;
    background: var(--card-bg);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-color);
    animation: fadeIn 0.8s ease-out;
}

header {
    text-align: center;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #a5b4fc, #6366f1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.upload-section {
    margin-bottom: 30px;
}

.upload-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.02);
}

.upload-box:hover,
.upload-box.dragover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
    transform: translateY(-2px);
}

.icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.upload-box span {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.preview-section {
    position: relative;
    margin-bottom: 30px;
    border-radius: 12px;
    overflow: hidden;
    max-height: 300px;
    display: flex;
    justify-content: center;
    background: #000;
}

#imagePreview {
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 10px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.result-section {
    animation: slideUp 0.5s ease-out;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.result-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-family: inherit;
    font-weight: 500;
    transition: all 0.2s;
    font-size: 0.9rem;
}

.btn.secondary {
    background: var(--border-color);
    color: var(--text-color);
    margin-left: 10px;
}

.btn.secondary:hover {
    background: #475569;
}

textarea {
    width: 100%;
    height: 200px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px;
    color: var(--text-color);
    font-family: 'Courier New', Courier, monospace;
    font-size: 1rem;
    resize: vertical;
    outline: none;
}

textarea:focus {
    border-color: var(--primary-color);
}

footer {
    text-align: center;
    margin-top: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}