/* --- Search Dropdown & Overlay --- */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    /* Bootstrap modal z-index is 1050, navbar usually 1000 */
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(2px);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-drop-area {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    z-index: 1050;
    padding: 40px 0;
    transform: translateY(-100%);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.search-drop-area.active {
    transform: translateY(0);
}

.search-inner {
    max-width: 800px;
    margin: 0 auto;
}

.search-close {
    background: none;
    border: none;
    font-size: 24px;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
    padding: 0;
}

.search-close:hover {
    color: var(--primary-color);
    transform: rotate(90deg);
}

.search-form .form-control {
    border: 2px solid #eee;
    padding: 15px 20px;
    height: auto;
    font-size: 16px;
    border-radius: 4px 0 0 4px;
    background: #f9f9f9;
}

.search-form .form-control:focus {
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: none;
}

.search-form .btn-primary {
    background: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0 30px;
    font-size: 20px;
    border-radius: 0 4px 4px 0;
    transition: all 0.3s ease;
}

.search-form .btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.search-hot-words .hot-label {
    letter-spacing: 1px;
    font-size: 11px;
}

.tags-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag-link {
    display: inline-block;
    padding: 6px 16px;
    background: #f0f0f0;
    color: #555;
    border-radius: 20px;
    font-size: 13px;
    transition: all 0.2s ease;
    text-decoration: none;
}

.tag-link:hover {
    background: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(255, 78, 0, 0.2);
}

/* --- Mobile Responsive Search --- */
@media (max-width: 768px) {
    .search-drop-area {
        padding: 20px 0;
    }

    .search-form .form-control {
        padding: 10px 15px;
        font-size: 14px;
        height: 44px;
    }

    .search-form .btn-primary {
        padding: 0 20px;
        font-size: 16px;
        height: 44px;
        line-height: 44px;
    }

    .search-inner {
        padding: 0 15px;
    }

    .search-close {
        font-size: 20px;
    }

    .search-hot-words .hot-label {
        font-size: 12px;
        margin-bottom: 10px !important;
    }

    .tags-group {
        gap: 8px;
    }

    .tag-link {
        padding: 4px 12px;
        font-size: 12px;
    }
}