/* Layout scaffolding and navigation */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.main-container {
    padding: 2rem 1.5rem;
}

/* Navbar */
.navbar {
    background-color: rgba(255, 255, 255, 0.88);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(14px);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
    text-decoration: none;
}

.logo-icon {
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
}

.lang-item {
    display: flex;
    align-items: center;
}

.lang-toggle {
    background-color: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.18);
    color: var(--text-secondary);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.2;
    white-space: nowrap;
}

.lang-toggle:hover {
    color: var(--primary-color);
    border-color: rgba(var(--primary-rgb), 0.4);
    box-shadow: var(--shadow-sm);
}

.lang-toggle:focus-visible {
    outline: 3px solid rgba(var(--primary-rgb), 0.25);
    outline-offset: 2px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Main layout */
.main-content {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 2rem;
}

/* Sticker tool layout */
.sticker-tool-container {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* GIF tool layout */
.gif-compress-container {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.gif-compress-container .preview-panel {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #0b1f4d, #0f172a);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-section h4 {
    font-size: 0.875rem;
    opacity: 0.7;
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* Responsive layout */
@media (max-width: 1200px) {
    .main-content {
        gap: 1.5rem;
    }

    .sticker-tool-container {
        gap: 1.5rem;
    }
}

@media (max-width: 1024px) {
    .main-content {
        flex-direction: column;
        align-items: stretch;
    }

    .navbar .container {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .sticker-tool-container {
        flex-direction: column;
        align-items: stretch;
    }

    .gif-compress-container {
        flex-direction: column;
        align-items: stretch;
    }

    .gif-compress-container .preview-panel {
        order: -1;
    }
}

@media (max-width: 768px) {
    .main-container {
        padding: 1rem;
    }

    .main-content {
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

    .nav-links a {
        font-size: 0.875rem;
    }

    .logo {
        font-size: 1.25rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 2rem;
    }
}