:root {
    --primary-color: #f59e0b;
    --primary-hover: #d97706;
    --bg-color: #f9fafb;
    --card-bg: #ffffff;
    --text-color: #111827;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --success-color: #10b981;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

header p {
    color: var(--text-secondary);
}

.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.api-settings {
    display: flex;
    gap: 10px;
    align-items: center;
}

.api-settings select,
.api-settings input {
    flex: 1;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
}

.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 20px;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: var(--primary-color);
    background-color: #fffbeb;
}

.upload-content svg {
    color: var(--primary-color);
    margin-bottom: 20px;
}

.upload-content p {
    margin: 10px 0;
    color: var(--text-secondary);
}

.style-selector {
    margin: 20px 0;
}

.style-selector h3 {
    margin-bottom: 15px;
}

.style-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
}

.style-btn {
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: white;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s;
}

.style-btn:hover {
    border-color: var(--primary-color);
    background-color: #fffbeb;
}

.style-btn.active {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: white;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

.btn-primary:disabled {
    background-color: var(--border-color);
    cursor: not-allowed;
}

.btn-large {
    width: 100%;
    padding: 16px;
    font-size: 1.2rem;
}

.btn-secondary {
    background-color: var(--text-secondary);
    color: white;
}

.caption-item {
    background-color: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.caption-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.caption-text {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
    line-height: 1.6;
}

.caption-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.like-btn {
    padding: 8px 16px;
    border: 2px solid var(--success-color);
    border-radius: 8px;
    background: white;
    color: var(--success-color);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.like-btn:hover,
.like-btn.liked {
    background-color: var(--success-color);
    color: white;
}

.save-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    font-weight: 500;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.gallery-item {
    background: var(--bg-color);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
}

.gallery-item img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 10px;
}

.gallery-caption {
    font-weight: 600;
    margin-bottom: 10px;
}

.gallery-likes {
    color: var(--success-color);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .api-settings {
        flex-direction: column;
    }

    .style-buttons {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }
}