#video-background {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -1;
    background-image: url('../assets/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: filter 0.5s ease, opacity 0.5s ease;
    object-fit: cover;
    filter: var(--video-filter);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.5s ease;
    padding: 0 1rem;
}

.container.loaded {
    opacity: 1;
}

.header {
    direction: ltr;
    text-align: center;
    position: sticky;
    top: 1rem;
    z-index: 2;
    padding: 1rem;
    background: var(--card-background);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--card-border);
    border-top: 1px solid var(--card-border);
    transition: all 0.5s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 1.25rem;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.header.hidden,
.footer.hidden,
.info-card.hidden {
    display: none;
}

body.scrolled .header {
    border-radius: 0 0 1.25rem 1.25rem;
    box-shadow: 0 4px 12px var(--shadow-color);
    top: 0;
    border-top: 0px solid var(--card-border);
}

.footer {
    text-align: center;
    padding: 2rem;
    font-size: 1rem;
    border-top: 1px solid var(--info-item-border);
    background-color: var(--card-background);
    backdrop-filter: blur(8px);
    border-radius: 20px 20px 0 0;
}

.footer a {
    color: inherit;
    text-shadow: 0px 0px 6px var(--text-color);
    transition: opacity 0.3s ease;
}

.input-wrapper {
    position: relative;
    flex: 1;
}

.clear-search-button {
    position: absolute;
    height: 18px;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    font-size: 1.125rem;
    opacity: 0.6;
    transition: opacity 0.2s ease;
    display: none;
    z-index: 10;
    pointer-events: all;
}

.clear-search-button:hover {
    opacity: 1;
}

.ip-search-input:not(:placeholder-shown)~.clear-search-button {
    display: block;
}

.ip-search-input:not(:placeholder-shown) {
    direction: ltr;
}

.ip-search-container {
    display: flex;
    gap: 10px;
    margin-bottom: 0.5rem;
}

.ip-search-input {
    width: 100%;
    padding: 0.75rem;
    padding-inline-end: 36px;
    border-radius: 0.5rem;
    border: 1px solid var(--card-border);
    background: var(--card-background);
    color: var(--text-color);
    font-size: 1rem;
    box-sizing: border-box;
}

.ip-search-input:focus {
    direction: ltr;
    outline: none;
    border-color: var(--text-color);
}

.search-button {
    width: 46px;
    height: 46px;
    border-radius: 0.5rem;
    border: 1px solid var(--card-border);
    background: var(--theme-toggle-background);
    color: var(--text-color);
    font-size: 1.125rem;
    cursor: pointer;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.search-button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

@media (max-width: 1024px) {
    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        padding: 1.5rem 0;
        gap: 1.5rem;
    }

    .card-title {
        font-size: 1.4rem;
    }
}

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

    .header .logo {
        font-size: 2.2rem;
        white-space: normal;
        text-align: center;
    }

    .language-button img {
        width: 1.5rem;
        height: 1.5rem;
    }

    .language-button {
        padding: .5rem .75rem;
    }

    .info-grid {
        grid-template-columns: repeat(auto-fit, minmax(325px, 1fr));
        gap: 1.25rem;
    }

    .info-card {
        padding: 1.5rem;
    }

    .card-title {
        font-size: 1.3rem;
        max-width: calc(100% - 60px);
    }

    .card-icon {
        width: 2.5rem;
        height: 2.5rem;
    }

    .footer {
        padding: 1.5rem;
    }
}

@media (max-width: 500px) {
    .card-title {
        font-size: 1.25rem;
    }

    .info-card {
        padding: 1rem;
    }

    .language-dropdown {
        right: 0;
    }

    .header {
        justify-content: space-around;
    }

    #selected-lang-text,
    .language-button .ph-caret-down {
        display: none;
    }

    .language-button img {
        width: 1.5rem;
        height: 1.5rem;
    }

    .language-button {
        padding: .5rem;
        border: none;
    }
}

@media (max-width: 375px) {
    .info-grid {
        gap: 1rem;
        grid-template-columns: 1fr;
    }
}

@media (max-width: 320px) {
    .footer {
        font-size: 0.9rem;
    }

    #user-agent {
        flex-basis: 60%;
    }
}