/* Global Styles */
:root {
    --primary-color: #4F46E5;
    --secondary-color: #6366F1;
    --text-color: #333;
    --bg-color: #f0f2f5;
    --border-radius: 0.5rem;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Prompt', sans-serif;
    line-height: 1.6;
    background-color: var(--bg-color);
    color: var(--text-color);
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navbar */
.navbar {
    background: white;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.75rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-brand i {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Upload Section */
.upload-section {
    padding: 2rem 0;
}

.upload-container {
    max-width: 600px;
    margin: 0 auto;
}

.upload-area {
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-area:hover {
    border-color: var(--secondary-color);
    background: #F5F3FF;
}

.upload-message i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.browse-text {
    color: var(--primary-color);
    text-decoration: underline;
    cursor: pointer;
}

/* History Section */
.history-section {
    padding: 2rem 0;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.image-item {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.image-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.image-info {
    padding: 1rem;
}

.image-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--box-shadow);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Footer */
.footer {
    background: #2D3748;
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-link {
    color: #A0AEC0;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    color: white;
    font-size: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

.btn-delete {
    background: #DC2626;
    color: white;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 400px;
    width: 90%;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .social-links {
        justify-content: center;
    }
}

/* Notifications */
.copy-notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 24px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 8px;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.copy-notification.show {
    transform: translateY(0);
    opacity: 1;
}

.copy-notification.success {
    background: #4CAF50;
    color: white;
}

.copy-notification.error {
    background: #f44336;
    color: white;
}